File: | clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 6058, column 22 Called C++ object pointer is null |
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1 | //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// | ||||
2 | // | ||||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||
4 | // See https://llvm.org/LICENSE.txt for license information. | ||||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||
6 | // | ||||
7 | //===----------------------------------------------------------------------===// | ||||
8 | /// \file | ||||
9 | /// This file implements semantic analysis for OpenMP directives and | ||||
10 | /// clauses. | ||||
11 | /// | ||||
12 | //===----------------------------------------------------------------------===// | ||||
13 | |||||
14 | #include "TreeTransform.h" | ||||
15 | #include "clang/AST/ASTContext.h" | ||||
16 | #include "clang/AST/ASTMutationListener.h" | ||||
17 | #include "clang/AST/CXXInheritance.h" | ||||
18 | #include "clang/AST/Decl.h" | ||||
19 | #include "clang/AST/DeclCXX.h" | ||||
20 | #include "clang/AST/DeclOpenMP.h" | ||||
21 | #include "clang/AST/OpenMPClause.h" | ||||
22 | #include "clang/AST/StmtCXX.h" | ||||
23 | #include "clang/AST/StmtOpenMP.h" | ||||
24 | #include "clang/AST/StmtVisitor.h" | ||||
25 | #include "clang/AST/TypeOrdering.h" | ||||
26 | #include "clang/Basic/DiagnosticSema.h" | ||||
27 | #include "clang/Basic/OpenMPKinds.h" | ||||
28 | #include "clang/Basic/PartialDiagnostic.h" | ||||
29 | #include "clang/Basic/TargetInfo.h" | ||||
30 | #include "clang/Sema/Initialization.h" | ||||
31 | #include "clang/Sema/Lookup.h" | ||||
32 | #include "clang/Sema/Scope.h" | ||||
33 | #include "clang/Sema/ScopeInfo.h" | ||||
34 | #include "clang/Sema/SemaInternal.h" | ||||
35 | #include "llvm/ADT/IndexedMap.h" | ||||
36 | #include "llvm/ADT/PointerEmbeddedInt.h" | ||||
37 | #include "llvm/ADT/STLExtras.h" | ||||
38 | #include "llvm/Frontend/OpenMP/OMPConstants.h" | ||||
39 | #include <set> | ||||
40 | |||||
41 | using namespace clang; | ||||
42 | using namespace llvm::omp; | ||||
43 | |||||
44 | //===----------------------------------------------------------------------===// | ||||
45 | // Stack of data-sharing attributes for variables | ||||
46 | //===----------------------------------------------------------------------===// | ||||
47 | |||||
48 | static const Expr *checkMapClauseExpressionBase( | ||||
49 | Sema &SemaRef, Expr *E, | ||||
50 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | ||||
51 | OpenMPClauseKind CKind, bool NoDiagnose); | ||||
52 | |||||
53 | namespace { | ||||
54 | /// Default data sharing attributes, which can be applied to directive. | ||||
55 | enum DefaultDataSharingAttributes { | ||||
56 | DSA_unspecified = 0, /// Data sharing attribute not specified. | ||||
57 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. | ||||
58 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. | ||||
59 | DSA_firstprivate = 1 << 2, /// Default data sharing attribute 'firstprivate'. | ||||
60 | }; | ||||
61 | |||||
62 | /// Stack for tracking declarations used in OpenMP directives and | ||||
63 | /// clauses and their data-sharing attributes. | ||||
64 | class DSAStackTy { | ||||
65 | public: | ||||
66 | struct DSAVarData { | ||||
67 | OpenMPDirectiveKind DKind = OMPD_unknown; | ||||
68 | OpenMPClauseKind CKind = OMPC_unknown; | ||||
69 | unsigned Modifier = 0; | ||||
70 | const Expr *RefExpr = nullptr; | ||||
71 | DeclRefExpr *PrivateCopy = nullptr; | ||||
72 | SourceLocation ImplicitDSALoc; | ||||
73 | bool AppliedToPointee = false; | ||||
74 | DSAVarData() = default; | ||||
75 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, | ||||
76 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, | ||||
77 | SourceLocation ImplicitDSALoc, unsigned Modifier, | ||||
78 | bool AppliedToPointee) | ||||
79 | : DKind(DKind), CKind(CKind), Modifier(Modifier), RefExpr(RefExpr), | ||||
80 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc), | ||||
81 | AppliedToPointee(AppliedToPointee) {} | ||||
82 | }; | ||||
83 | using OperatorOffsetTy = | ||||
84 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; | ||||
85 | using DoacrossDependMapTy = | ||||
86 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; | ||||
87 | /// Kind of the declaration used in the uses_allocators clauses. | ||||
88 | enum class UsesAllocatorsDeclKind { | ||||
89 | /// Predefined allocator | ||||
90 | PredefinedAllocator, | ||||
91 | /// User-defined allocator | ||||
92 | UserDefinedAllocator, | ||||
93 | /// The declaration that represent allocator trait | ||||
94 | AllocatorTrait, | ||||
95 | }; | ||||
96 | |||||
97 | private: | ||||
98 | struct DSAInfo { | ||||
99 | OpenMPClauseKind Attributes = OMPC_unknown; | ||||
100 | unsigned Modifier = 0; | ||||
101 | /// Pointer to a reference expression and a flag which shows that the | ||||
102 | /// variable is marked as lastprivate(true) or not (false). | ||||
103 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; | ||||
104 | DeclRefExpr *PrivateCopy = nullptr; | ||||
105 | /// true if the attribute is applied to the pointee, not the variable | ||||
106 | /// itself. | ||||
107 | bool AppliedToPointee = false; | ||||
108 | }; | ||||
109 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; | ||||
110 | using UsedRefMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; | ||||
111 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; | ||||
112 | using LoopControlVariablesMapTy = | ||||
113 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; | ||||
114 | /// Struct that associates a component with the clause kind where they are | ||||
115 | /// found. | ||||
116 | struct MappedExprComponentTy { | ||||
117 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; | ||||
118 | OpenMPClauseKind Kind = OMPC_unknown; | ||||
119 | }; | ||||
120 | using MappedExprComponentsTy = | ||||
121 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; | ||||
122 | using CriticalsWithHintsTy = | ||||
123 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; | ||||
124 | struct ReductionData { | ||||
125 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; | ||||
126 | SourceRange ReductionRange; | ||||
127 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; | ||||
128 | ReductionData() = default; | ||||
129 | void set(BinaryOperatorKind BO, SourceRange RR) { | ||||
130 | ReductionRange = RR; | ||||
131 | ReductionOp = BO; | ||||
132 | } | ||||
133 | void set(const Expr *RefExpr, SourceRange RR) { | ||||
134 | ReductionRange = RR; | ||||
135 | ReductionOp = RefExpr; | ||||
136 | } | ||||
137 | }; | ||||
138 | using DeclReductionMapTy = | ||||
139 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; | ||||
140 | struct DefaultmapInfo { | ||||
141 | OpenMPDefaultmapClauseModifier ImplicitBehavior = | ||||
142 | OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||
143 | SourceLocation SLoc; | ||||
144 | DefaultmapInfo() = default; | ||||
145 | DefaultmapInfo(OpenMPDefaultmapClauseModifier M, SourceLocation Loc) | ||||
146 | : ImplicitBehavior(M), SLoc(Loc) {} | ||||
147 | }; | ||||
148 | |||||
149 | struct SharingMapTy { | ||||
150 | DeclSAMapTy SharingMap; | ||||
151 | DeclReductionMapTy ReductionMap; | ||||
152 | UsedRefMapTy AlignedMap; | ||||
153 | UsedRefMapTy NontemporalMap; | ||||
154 | MappedExprComponentsTy MappedExprComponents; | ||||
155 | LoopControlVariablesMapTy LCVMap; | ||||
156 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; | ||||
157 | SourceLocation DefaultAttrLoc; | ||||
158 | DefaultmapInfo DefaultmapMap[OMPC_DEFAULTMAP_unknown]; | ||||
159 | OpenMPDirectiveKind Directive = OMPD_unknown; | ||||
160 | DeclarationNameInfo DirectiveName; | ||||
161 | Scope *CurScope = nullptr; | ||||
162 | DeclContext *Context = nullptr; | ||||
163 | SourceLocation ConstructLoc; | ||||
164 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to | ||||
165 | /// get the data (loop counters etc.) about enclosing loop-based construct. | ||||
166 | /// This data is required during codegen. | ||||
167 | DoacrossDependMapTy DoacrossDepends; | ||||
168 | /// First argument (Expr *) contains optional argument of the | ||||
169 | /// 'ordered' clause, the second one is true if the regions has 'ordered' | ||||
170 | /// clause, false otherwise. | ||||
171 | llvm::Optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; | ||||
172 | unsigned AssociatedLoops = 1; | ||||
173 | bool HasMutipleLoops = false; | ||||
174 | const Decl *PossiblyLoopCounter = nullptr; | ||||
175 | bool NowaitRegion = false; | ||||
176 | bool CancelRegion = false; | ||||
177 | bool LoopStart = false; | ||||
178 | bool BodyComplete = false; | ||||
179 | SourceLocation PrevScanLocation; | ||||
180 | SourceLocation PrevOrderedLocation; | ||||
181 | SourceLocation InnerTeamsRegionLoc; | ||||
182 | /// Reference to the taskgroup task_reduction reference expression. | ||||
183 | Expr *TaskgroupReductionRef = nullptr; | ||||
184 | llvm::DenseSet<QualType> MappedClassesQualTypes; | ||||
185 | SmallVector<Expr *, 4> InnerUsedAllocators; | ||||
186 | llvm::DenseSet<CanonicalDeclPtr<Decl>> ImplicitTaskFirstprivates; | ||||
187 | /// List of globals marked as declare target link in this target region | ||||
188 | /// (isOpenMPTargetExecutionDirective(Directive) == true). | ||||
189 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; | ||||
190 | /// List of decls used in inclusive/exclusive clauses of the scan directive. | ||||
191 | llvm::DenseSet<CanonicalDeclPtr<Decl>> UsedInScanDirective; | ||||
192 | llvm::DenseMap<CanonicalDeclPtr<const Decl>, UsesAllocatorsDeclKind> | ||||
193 | UsesAllocatorsDecls; | ||||
194 | Expr *DeclareMapperVar = nullptr; | ||||
195 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, | ||||
196 | Scope *CurScope, SourceLocation Loc) | ||||
197 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), | ||||
198 | ConstructLoc(Loc) {} | ||||
199 | SharingMapTy() = default; | ||||
200 | }; | ||||
201 | |||||
202 | using StackTy = SmallVector<SharingMapTy, 4>; | ||||
203 | |||||
204 | /// Stack of used declaration and their data-sharing attributes. | ||||
205 | DeclSAMapTy Threadprivates; | ||||
206 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; | ||||
207 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; | ||||
208 | /// true, if check for DSA must be from parent directive, false, if | ||||
209 | /// from current directive. | ||||
210 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; | ||||
211 | Sema &SemaRef; | ||||
212 | bool ForceCapturing = false; | ||||
213 | /// true if all the variables in the target executable directives must be | ||||
214 | /// captured by reference. | ||||
215 | bool ForceCaptureByReferenceInTargetExecutable = false; | ||||
216 | CriticalsWithHintsTy Criticals; | ||||
217 | unsigned IgnoredStackElements = 0; | ||||
218 | |||||
219 | /// Iterators over the stack iterate in order from innermost to outermost | ||||
220 | /// directive. | ||||
221 | using const_iterator = StackTy::const_reverse_iterator; | ||||
222 | const_iterator begin() const { | ||||
223 | return Stack.empty() ? const_iterator() | ||||
224 | : Stack.back().first.rbegin() + IgnoredStackElements; | ||||
225 | } | ||||
226 | const_iterator end() const { | ||||
227 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); | ||||
228 | } | ||||
229 | using iterator = StackTy::reverse_iterator; | ||||
230 | iterator begin() { | ||||
231 | return Stack.empty() ? iterator() | ||||
232 | : Stack.back().first.rbegin() + IgnoredStackElements; | ||||
233 | } | ||||
234 | iterator end() { | ||||
235 | return Stack.empty() ? iterator() : Stack.back().first.rend(); | ||||
236 | } | ||||
237 | |||||
238 | // Convenience operations to get at the elements of the stack. | ||||
239 | |||||
240 | bool isStackEmpty() const { | ||||
241 | return Stack.empty() || | ||||
242 | Stack.back().second != CurrentNonCapturingFunctionScope || | ||||
243 | Stack.back().first.size() <= IgnoredStackElements; | ||||
244 | } | ||||
245 | size_t getStackSize() const { | ||||
246 | return isStackEmpty() ? 0 | ||||
247 | : Stack.back().first.size() - IgnoredStackElements; | ||||
248 | } | ||||
249 | |||||
250 | SharingMapTy *getTopOfStackOrNull() { | ||||
251 | size_t Size = getStackSize(); | ||||
252 | if (Size == 0) | ||||
253 | return nullptr; | ||||
254 | return &Stack.back().first[Size - 1]; | ||||
255 | } | ||||
256 | const SharingMapTy *getTopOfStackOrNull() const { | ||||
257 | return const_cast<DSAStackTy&>(*this).getTopOfStackOrNull(); | ||||
258 | } | ||||
259 | SharingMapTy &getTopOfStack() { | ||||
260 | assert(!isStackEmpty() && "no current directive")((!isStackEmpty() && "no current directive") ? static_cast <void> (0) : __assert_fail ("!isStackEmpty() && \"no current directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 260, __PRETTY_FUNCTION__)); | ||||
261 | return *getTopOfStackOrNull(); | ||||
262 | } | ||||
263 | const SharingMapTy &getTopOfStack() const { | ||||
264 | return const_cast<DSAStackTy&>(*this).getTopOfStack(); | ||||
265 | } | ||||
266 | |||||
267 | SharingMapTy *getSecondOnStackOrNull() { | ||||
268 | size_t Size = getStackSize(); | ||||
269 | if (Size <= 1) | ||||
270 | return nullptr; | ||||
271 | return &Stack.back().first[Size - 2]; | ||||
272 | } | ||||
273 | const SharingMapTy *getSecondOnStackOrNull() const { | ||||
274 | return const_cast<DSAStackTy&>(*this).getSecondOnStackOrNull(); | ||||
275 | } | ||||
276 | |||||
277 | /// Get the stack element at a certain level (previously returned by | ||||
278 | /// \c getNestingLevel). | ||||
279 | /// | ||||
280 | /// Note that nesting levels count from outermost to innermost, and this is | ||||
281 | /// the reverse of our iteration order where new inner levels are pushed at | ||||
282 | /// the front of the stack. | ||||
283 | SharingMapTy &getStackElemAtLevel(unsigned Level) { | ||||
284 | assert(Level < getStackSize() && "no such stack element")((Level < getStackSize() && "no such stack element" ) ? static_cast<void> (0) : __assert_fail ("Level < getStackSize() && \"no such stack element\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 284, __PRETTY_FUNCTION__)); | ||||
285 | return Stack.back().first[Level]; | ||||
286 | } | ||||
287 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { | ||||
288 | return const_cast<DSAStackTy&>(*this).getStackElemAtLevel(Level); | ||||
289 | } | ||||
290 | |||||
291 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; | ||||
292 | |||||
293 | /// Checks if the variable is a local for OpenMP region. | ||||
294 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; | ||||
295 | |||||
296 | /// Vector of previously declared requires directives | ||||
297 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; | ||||
298 | /// omp_allocator_handle_t type. | ||||
299 | QualType OMPAllocatorHandleT; | ||||
300 | /// omp_depend_t type. | ||||
301 | QualType OMPDependT; | ||||
302 | /// omp_event_handle_t type. | ||||
303 | QualType OMPEventHandleT; | ||||
304 | /// omp_alloctrait_t type. | ||||
305 | QualType OMPAlloctraitT; | ||||
306 | /// Expression for the predefined allocators. | ||||
307 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { | ||||
308 | nullptr}; | ||||
309 | /// Vector of previously encountered target directives | ||||
310 | SmallVector<SourceLocation, 2> TargetLocations; | ||||
311 | SourceLocation AtomicLocation; | ||||
312 | |||||
313 | public: | ||||
314 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} | ||||
315 | |||||
316 | /// Sets omp_allocator_handle_t type. | ||||
317 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } | ||||
318 | /// Gets omp_allocator_handle_t type. | ||||
319 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } | ||||
320 | /// Sets omp_alloctrait_t type. | ||||
321 | void setOMPAlloctraitT(QualType Ty) { OMPAlloctraitT = Ty; } | ||||
322 | /// Gets omp_alloctrait_t type. | ||||
323 | QualType getOMPAlloctraitT() const { return OMPAlloctraitT; } | ||||
324 | /// Sets the given default allocator. | ||||
325 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | ||||
326 | Expr *Allocator) { | ||||
327 | OMPPredefinedAllocators[AllocatorKind] = Allocator; | ||||
328 | } | ||||
329 | /// Returns the specified default allocator. | ||||
330 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { | ||||
331 | return OMPPredefinedAllocators[AllocatorKind]; | ||||
332 | } | ||||
333 | /// Sets omp_depend_t type. | ||||
334 | void setOMPDependT(QualType Ty) { OMPDependT = Ty; } | ||||
335 | /// Gets omp_depend_t type. | ||||
336 | QualType getOMPDependT() const { return OMPDependT; } | ||||
337 | |||||
338 | /// Sets omp_event_handle_t type. | ||||
339 | void setOMPEventHandleT(QualType Ty) { OMPEventHandleT = Ty; } | ||||
340 | /// Gets omp_event_handle_t type. | ||||
341 | QualType getOMPEventHandleT() const { return OMPEventHandleT; } | ||||
342 | |||||
343 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } | ||||
344 | OpenMPClauseKind getClauseParsingMode() const { | ||||
345 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")((isClauseParsingMode() && "Must be in clause parsing mode." ) ? static_cast<void> (0) : __assert_fail ("isClauseParsingMode() && \"Must be in clause parsing mode.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 345, __PRETTY_FUNCTION__)); | ||||
346 | return ClauseKindMode; | ||||
347 | } | ||||
348 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } | ||||
349 | |||||
350 | bool isBodyComplete() const { | ||||
351 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
352 | return Top && Top->BodyComplete; | ||||
353 | } | ||||
354 | void setBodyComplete() { | ||||
355 | getTopOfStack().BodyComplete = true; | ||||
356 | } | ||||
357 | |||||
358 | bool isForceVarCapturing() const { return ForceCapturing; } | ||||
359 | void setForceVarCapturing(bool V) { ForceCapturing = V; } | ||||
360 | |||||
361 | void setForceCaptureByReferenceInTargetExecutable(bool V) { | ||||
362 | ForceCaptureByReferenceInTargetExecutable = V; | ||||
363 | } | ||||
364 | bool isForceCaptureByReferenceInTargetExecutable() const { | ||||
365 | return ForceCaptureByReferenceInTargetExecutable; | ||||
366 | } | ||||
367 | |||||
368 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, | ||||
369 | Scope *CurScope, SourceLocation Loc) { | ||||
370 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 371, __PRETTY_FUNCTION__)) | ||||
371 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 371, __PRETTY_FUNCTION__)); | ||||
372 | if (Stack.empty() || | ||||
373 | Stack.back().second != CurrentNonCapturingFunctionScope) | ||||
374 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); | ||||
375 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); | ||||
376 | Stack.back().first.back().DefaultAttrLoc = Loc; | ||||
377 | } | ||||
378 | |||||
379 | void pop() { | ||||
380 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 381, __PRETTY_FUNCTION__)) | ||||
381 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 381, __PRETTY_FUNCTION__)); | ||||
382 | assert(!Stack.back().first.empty() &&((!Stack.back().first.empty() && "Data-sharing attributes stack is empty!" ) ? static_cast<void> (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 383, __PRETTY_FUNCTION__)) | ||||
383 | "Data-sharing attributes stack is empty!")((!Stack.back().first.empty() && "Data-sharing attributes stack is empty!" ) ? static_cast<void> (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 383, __PRETTY_FUNCTION__)); | ||||
384 | Stack.back().first.pop_back(); | ||||
385 | } | ||||
386 | |||||
387 | /// RAII object to temporarily leave the scope of a directive when we want to | ||||
388 | /// logically operate in its parent. | ||||
389 | class ParentDirectiveScope { | ||||
390 | DSAStackTy &Self; | ||||
391 | bool Active; | ||||
392 | public: | ||||
393 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) | ||||
394 | : Self(Self), Active(false) { | ||||
395 | if (Activate) | ||||
396 | enable(); | ||||
397 | } | ||||
398 | ~ParentDirectiveScope() { disable(); } | ||||
399 | void disable() { | ||||
400 | if (Active) { | ||||
401 | --Self.IgnoredStackElements; | ||||
402 | Active = false; | ||||
403 | } | ||||
404 | } | ||||
405 | void enable() { | ||||
406 | if (!Active) { | ||||
407 | ++Self.IgnoredStackElements; | ||||
408 | Active = true; | ||||
409 | } | ||||
410 | } | ||||
411 | }; | ||||
412 | |||||
413 | /// Marks that we're started loop parsing. | ||||
414 | void loopInit() { | ||||
415 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 416, __PRETTY_FUNCTION__)) | ||||
416 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 416, __PRETTY_FUNCTION__)); | ||||
417 | getTopOfStack().LoopStart = true; | ||||
418 | } | ||||
419 | /// Start capturing of the variables in the loop context. | ||||
420 | void loopStart() { | ||||
421 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 422, __PRETTY_FUNCTION__)) | ||||
422 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 422, __PRETTY_FUNCTION__)); | ||||
423 | getTopOfStack().LoopStart = false; | ||||
424 | } | ||||
425 | /// true, if variables are captured, false otherwise. | ||||
426 | bool isLoopStarted() const { | ||||
427 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 428, __PRETTY_FUNCTION__)) | ||||
428 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 428, __PRETTY_FUNCTION__)); | ||||
429 | return !getTopOfStack().LoopStart; | ||||
430 | } | ||||
431 | /// Marks (or clears) declaration as possibly loop counter. | ||||
432 | void resetPossibleLoopCounter(const Decl *D = nullptr) { | ||||
433 | getTopOfStack().PossiblyLoopCounter = | ||||
434 | D ? D->getCanonicalDecl() : D; | ||||
435 | } | ||||
436 | /// Gets the possible loop counter decl. | ||||
437 | const Decl *getPossiblyLoopCunter() const { | ||||
438 | return getTopOfStack().PossiblyLoopCounter; | ||||
439 | } | ||||
440 | /// Start new OpenMP region stack in new non-capturing function. | ||||
441 | void pushFunction() { | ||||
442 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 443, __PRETTY_FUNCTION__)) | ||||
443 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 443, __PRETTY_FUNCTION__)); | ||||
444 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); | ||||
445 | assert(!isa<CapturingScopeInfo>(CurFnScope))((!isa<CapturingScopeInfo>(CurFnScope)) ? static_cast< void> (0) : __assert_fail ("!isa<CapturingScopeInfo>(CurFnScope)" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 445, __PRETTY_FUNCTION__)); | ||||
446 | CurrentNonCapturingFunctionScope = CurFnScope; | ||||
447 | } | ||||
448 | /// Pop region stack for non-capturing function. | ||||
449 | void popFunction(const FunctionScopeInfo *OldFSI) { | ||||
450 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 451, __PRETTY_FUNCTION__)) | ||||
451 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 451, __PRETTY_FUNCTION__)); | ||||
452 | if (!Stack.empty() && Stack.back().second == OldFSI) { | ||||
453 | assert(Stack.back().first.empty())((Stack.back().first.empty()) ? static_cast<void> (0) : __assert_fail ("Stack.back().first.empty()", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 453, __PRETTY_FUNCTION__)); | ||||
454 | Stack.pop_back(); | ||||
455 | } | ||||
456 | CurrentNonCapturingFunctionScope = nullptr; | ||||
457 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { | ||||
458 | if (!isa<CapturingScopeInfo>(FSI)) { | ||||
459 | CurrentNonCapturingFunctionScope = FSI; | ||||
460 | break; | ||||
461 | } | ||||
462 | } | ||||
463 | } | ||||
464 | |||||
465 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { | ||||
466 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); | ||||
467 | } | ||||
468 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> | ||||
469 | getCriticalWithHint(const DeclarationNameInfo &Name) const { | ||||
470 | auto I = Criticals.find(Name.getAsString()); | ||||
471 | if (I != Criticals.end()) | ||||
472 | return I->second; | ||||
473 | return std::make_pair(nullptr, llvm::APSInt()); | ||||
474 | } | ||||
475 | /// If 'aligned' declaration for given variable \a D was not seen yet, | ||||
476 | /// add it and return NULL; otherwise return previous occurrence's expression | ||||
477 | /// for diagnostics. | ||||
478 | const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); | ||||
479 | /// If 'nontemporal' declaration for given variable \a D was not seen yet, | ||||
480 | /// add it and return NULL; otherwise return previous occurrence's expression | ||||
481 | /// for diagnostics. | ||||
482 | const Expr *addUniqueNontemporal(const ValueDecl *D, const Expr *NewDE); | ||||
483 | |||||
484 | /// Register specified variable as loop control variable. | ||||
485 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); | ||||
486 | /// Check if the specified variable is a loop control variable for | ||||
487 | /// current region. | ||||
488 | /// \return The index of the loop control variable in the list of associated | ||||
489 | /// for-loops (from outer to inner). | ||||
490 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; | ||||
491 | /// Check if the specified variable is a loop control variable for | ||||
492 | /// parent region. | ||||
493 | /// \return The index of the loop control variable in the list of associated | ||||
494 | /// for-loops (from outer to inner). | ||||
495 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; | ||||
496 | /// Check if the specified variable is a loop control variable for | ||||
497 | /// current region. | ||||
498 | /// \return The index of the loop control variable in the list of associated | ||||
499 | /// for-loops (from outer to inner). | ||||
500 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D, | ||||
501 | unsigned Level) const; | ||||
502 | /// Get the loop control variable for the I-th loop (or nullptr) in | ||||
503 | /// parent directive. | ||||
504 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; | ||||
505 | |||||
506 | /// Marks the specified decl \p D as used in scan directive. | ||||
507 | void markDeclAsUsedInScanDirective(ValueDecl *D) { | ||||
508 | if (SharingMapTy *Stack = getSecondOnStackOrNull()) | ||||
509 | Stack->UsedInScanDirective.insert(D); | ||||
510 | } | ||||
511 | |||||
512 | /// Checks if the specified declaration was used in the inner scan directive. | ||||
513 | bool isUsedInScanDirective(ValueDecl *D) const { | ||||
514 | if (const SharingMapTy *Stack = getTopOfStackOrNull()) | ||||
515 | return Stack->UsedInScanDirective.count(D) > 0; | ||||
516 | return false; | ||||
517 | } | ||||
518 | |||||
519 | /// Adds explicit data sharing attribute to the specified declaration. | ||||
520 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | ||||
521 | DeclRefExpr *PrivateCopy = nullptr, unsigned Modifier = 0, | ||||
522 | bool AppliedToPointee = false); | ||||
523 | |||||
524 | /// Adds additional information for the reduction items with the reduction id | ||||
525 | /// represented as an operator. | ||||
526 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
527 | BinaryOperatorKind BOK); | ||||
528 | /// Adds additional information for the reduction items with the reduction id | ||||
529 | /// represented as reduction identifier. | ||||
530 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
531 | const Expr *ReductionRef); | ||||
532 | /// Returns the location and reduction operation from the innermost parent | ||||
533 | /// region for the given \p D. | ||||
534 | const DSAVarData | ||||
535 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | ||||
536 | BinaryOperatorKind &BOK, | ||||
537 | Expr *&TaskgroupDescriptor) const; | ||||
538 | /// Returns the location and reduction operation from the innermost parent | ||||
539 | /// region for the given \p D. | ||||
540 | const DSAVarData | ||||
541 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | ||||
542 | const Expr *&ReductionRef, | ||||
543 | Expr *&TaskgroupDescriptor) const; | ||||
544 | /// Return reduction reference expression for the current taskgroup or | ||||
545 | /// parallel/worksharing directives with task reductions. | ||||
546 | Expr *getTaskgroupReductionRef() const { | ||||
547 | assert((getTopOfStack().Directive == OMPD_taskgroup ||(((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? static_cast<void> (0) : __assert_fail ("(getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"taskgroup reference expression requested for non taskgroup or \" \"parallel/worksharing directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 552, __PRETTY_FUNCTION__)) | ||||
548 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||(((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? static_cast<void> (0) : __assert_fail ("(getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"taskgroup reference expression requested for non taskgroup or \" \"parallel/worksharing directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 552, __PRETTY_FUNCTION__)) | ||||
549 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&(((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? static_cast<void> (0) : __assert_fail ("(getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"taskgroup reference expression requested for non taskgroup or \" \"parallel/worksharing directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 552, __PRETTY_FUNCTION__)) | ||||
550 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&(((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? static_cast<void> (0) : __assert_fail ("(getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"taskgroup reference expression requested for non taskgroup or \" \"parallel/worksharing directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 552, __PRETTY_FUNCTION__)) | ||||
551 | "taskgroup reference expression requested for non taskgroup or "(((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? static_cast<void> (0) : __assert_fail ("(getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"taskgroup reference expression requested for non taskgroup or \" \"parallel/worksharing directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 552, __PRETTY_FUNCTION__)) | ||||
552 | "parallel/worksharing directive.")(((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? static_cast<void> (0) : __assert_fail ("(getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"taskgroup reference expression requested for non taskgroup or \" \"parallel/worksharing directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 552, __PRETTY_FUNCTION__)); | ||||
553 | return getTopOfStack().TaskgroupReductionRef; | ||||
554 | } | ||||
555 | /// Checks if the given \p VD declaration is actually a taskgroup reduction | ||||
556 | /// descriptor variable at the \p Level of OpenMP regions. | ||||
557 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { | ||||
558 | return getStackElemAtLevel(Level).TaskgroupReductionRef && | ||||
559 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) | ||||
560 | ->getDecl() == VD; | ||||
561 | } | ||||
562 | |||||
563 | /// Returns data sharing attributes from top of the stack for the | ||||
564 | /// specified declaration. | ||||
565 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); | ||||
566 | /// Returns data-sharing attributes for the specified declaration. | ||||
567 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; | ||||
568 | /// Returns data-sharing attributes for the specified declaration. | ||||
569 | const DSAVarData getImplicitDSA(ValueDecl *D, unsigned Level) const; | ||||
570 | /// Checks if the specified variables has data-sharing attributes which | ||||
571 | /// match specified \a CPred predicate in any directive which matches \a DPred | ||||
572 | /// predicate. | ||||
573 | const DSAVarData | ||||
574 | hasDSA(ValueDecl *D, | ||||
575 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||
576 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
577 | bool FromParent) const; | ||||
578 | /// Checks if the specified variables has data-sharing attributes which | ||||
579 | /// match specified \a CPred predicate in any innermost directive which | ||||
580 | /// matches \a DPred predicate. | ||||
581 | const DSAVarData | ||||
582 | hasInnermostDSA(ValueDecl *D, | ||||
583 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||
584 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
585 | bool FromParent) const; | ||||
586 | /// Checks if the specified variables has explicit data-sharing | ||||
587 | /// attributes which match specified \a CPred predicate at the specified | ||||
588 | /// OpenMP region. | ||||
589 | bool | ||||
590 | hasExplicitDSA(const ValueDecl *D, | ||||
591 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||
592 | unsigned Level, bool NotLastprivate = false) const; | ||||
593 | |||||
594 | /// Returns true if the directive at level \Level matches in the | ||||
595 | /// specified \a DPred predicate. | ||||
596 | bool hasExplicitDirective( | ||||
597 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
598 | unsigned Level) const; | ||||
599 | |||||
600 | /// Finds a directive which matches specified \a DPred predicate. | ||||
601 | bool hasDirective( | ||||
602 | const llvm::function_ref<bool( | ||||
603 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> | ||||
604 | DPred, | ||||
605 | bool FromParent) const; | ||||
606 | |||||
607 | /// Returns currently analyzed directive. | ||||
608 | OpenMPDirectiveKind getCurrentDirective() const { | ||||
609 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
610 | return Top ? Top->Directive : OMPD_unknown; | ||||
611 | } | ||||
612 | /// Returns directive kind at specified level. | ||||
613 | OpenMPDirectiveKind getDirective(unsigned Level) const { | ||||
614 | assert(!isStackEmpty() && "No directive at specified level.")((!isStackEmpty() && "No directive at specified level." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"No directive at specified level.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 614, __PRETTY_FUNCTION__)); | ||||
615 | return getStackElemAtLevel(Level).Directive; | ||||
616 | } | ||||
617 | /// Returns the capture region at the specified level. | ||||
618 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, | ||||
619 | unsigned OpenMPCaptureLevel) const { | ||||
620 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
621 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); | ||||
622 | return CaptureRegions[OpenMPCaptureLevel]; | ||||
623 | } | ||||
624 | /// Returns parent directive. | ||||
625 | OpenMPDirectiveKind getParentDirective() const { | ||||
626 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
627 | return Parent ? Parent->Directive : OMPD_unknown; | ||||
628 | } | ||||
629 | |||||
630 | /// Add requires decl to internal vector | ||||
631 | void addRequiresDecl(OMPRequiresDecl *RD) { | ||||
632 | RequiresDecls.push_back(RD); | ||||
633 | } | ||||
634 | |||||
635 | /// Checks if the defined 'requires' directive has specified type of clause. | ||||
636 | template <typename ClauseType> | ||||
637 | bool hasRequiresDeclWithClause() const { | ||||
638 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { | ||||
639 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { | ||||
640 | return isa<ClauseType>(C); | ||||
641 | }); | ||||
642 | }); | ||||
643 | } | ||||
644 | |||||
645 | /// Checks for a duplicate clause amongst previously declared requires | ||||
646 | /// directives | ||||
647 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { | ||||
648 | bool IsDuplicate = false; | ||||
649 | for (OMPClause *CNew : ClauseList) { | ||||
650 | for (const OMPRequiresDecl *D : RequiresDecls) { | ||||
651 | for (const OMPClause *CPrev : D->clauselists()) { | ||||
652 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { | ||||
653 | SemaRef.Diag(CNew->getBeginLoc(), | ||||
654 | diag::err_omp_requires_clause_redeclaration) | ||||
655 | << getOpenMPClauseName(CNew->getClauseKind()); | ||||
656 | SemaRef.Diag(CPrev->getBeginLoc(), | ||||
657 | diag::note_omp_requires_previous_clause) | ||||
658 | << getOpenMPClauseName(CPrev->getClauseKind()); | ||||
659 | IsDuplicate = true; | ||||
660 | } | ||||
661 | } | ||||
662 | } | ||||
663 | } | ||||
664 | return IsDuplicate; | ||||
665 | } | ||||
666 | |||||
667 | /// Add location of previously encountered target to internal vector | ||||
668 | void addTargetDirLocation(SourceLocation LocStart) { | ||||
669 | TargetLocations.push_back(LocStart); | ||||
670 | } | ||||
671 | |||||
672 | /// Add location for the first encountered atomicc directive. | ||||
673 | void addAtomicDirectiveLoc(SourceLocation Loc) { | ||||
674 | if (AtomicLocation.isInvalid()) | ||||
675 | AtomicLocation = Loc; | ||||
676 | } | ||||
677 | |||||
678 | /// Returns the location of the first encountered atomic directive in the | ||||
679 | /// module. | ||||
680 | SourceLocation getAtomicDirectiveLoc() const { | ||||
681 | return AtomicLocation; | ||||
682 | } | ||||
683 | |||||
684 | // Return previously encountered target region locations. | ||||
685 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { | ||||
686 | return TargetLocations; | ||||
687 | } | ||||
688 | |||||
689 | /// Set default data sharing attribute to none. | ||||
690 | void setDefaultDSANone(SourceLocation Loc) { | ||||
691 | getTopOfStack().DefaultAttr = DSA_none; | ||||
692 | getTopOfStack().DefaultAttrLoc = Loc; | ||||
693 | } | ||||
694 | /// Set default data sharing attribute to shared. | ||||
695 | void setDefaultDSAShared(SourceLocation Loc) { | ||||
696 | getTopOfStack().DefaultAttr = DSA_shared; | ||||
697 | getTopOfStack().DefaultAttrLoc = Loc; | ||||
698 | } | ||||
699 | /// Set default data sharing attribute to firstprivate. | ||||
700 | void setDefaultDSAFirstPrivate(SourceLocation Loc) { | ||||
701 | getTopOfStack().DefaultAttr = DSA_firstprivate; | ||||
702 | getTopOfStack().DefaultAttrLoc = Loc; | ||||
703 | } | ||||
704 | /// Set default data mapping attribute to Modifier:Kind | ||||
705 | void setDefaultDMAAttr(OpenMPDefaultmapClauseModifier M, | ||||
706 | OpenMPDefaultmapClauseKind Kind, | ||||
707 | SourceLocation Loc) { | ||||
708 | DefaultmapInfo &DMI = getTopOfStack().DefaultmapMap[Kind]; | ||||
709 | DMI.ImplicitBehavior = M; | ||||
710 | DMI.SLoc = Loc; | ||||
711 | } | ||||
712 | /// Check whether the implicit-behavior has been set in defaultmap | ||||
713 | bool checkDefaultmapCategory(OpenMPDefaultmapClauseKind VariableCategory) { | ||||
714 | if (VariableCategory == OMPC_DEFAULTMAP_unknown) | ||||
715 | return getTopOfStack() | ||||
716 | .DefaultmapMap[OMPC_DEFAULTMAP_aggregate] | ||||
717 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || | ||||
718 | getTopOfStack() | ||||
719 | .DefaultmapMap[OMPC_DEFAULTMAP_scalar] | ||||
720 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || | ||||
721 | getTopOfStack() | ||||
722 | .DefaultmapMap[OMPC_DEFAULTMAP_pointer] | ||||
723 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||
724 | return getTopOfStack().DefaultmapMap[VariableCategory].ImplicitBehavior != | ||||
725 | OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||
726 | } | ||||
727 | |||||
728 | DefaultDataSharingAttributes getDefaultDSA(unsigned Level) const { | ||||
729 | return getStackSize() <= Level ? DSA_unspecified | ||||
730 | : getStackElemAtLevel(Level).DefaultAttr; | ||||
731 | } | ||||
732 | DefaultDataSharingAttributes getDefaultDSA() const { | ||||
733 | return isStackEmpty() ? DSA_unspecified | ||||
734 | : getTopOfStack().DefaultAttr; | ||||
735 | } | ||||
736 | SourceLocation getDefaultDSALocation() const { | ||||
737 | return isStackEmpty() ? SourceLocation() | ||||
738 | : getTopOfStack().DefaultAttrLoc; | ||||
739 | } | ||||
740 | OpenMPDefaultmapClauseModifier | ||||
741 | getDefaultmapModifier(OpenMPDefaultmapClauseKind Kind) const { | ||||
742 | return isStackEmpty() | ||||
743 | ? OMPC_DEFAULTMAP_MODIFIER_unknown | ||||
744 | : getTopOfStack().DefaultmapMap[Kind].ImplicitBehavior; | ||||
745 | } | ||||
746 | OpenMPDefaultmapClauseModifier | ||||
747 | getDefaultmapModifierAtLevel(unsigned Level, | ||||
748 | OpenMPDefaultmapClauseKind Kind) const { | ||||
749 | return getStackElemAtLevel(Level).DefaultmapMap[Kind].ImplicitBehavior; | ||||
750 | } | ||||
751 | bool isDefaultmapCapturedByRef(unsigned Level, | ||||
752 | OpenMPDefaultmapClauseKind Kind) const { | ||||
753 | OpenMPDefaultmapClauseModifier M = | ||||
754 | getDefaultmapModifierAtLevel(Level, Kind); | ||||
755 | if (Kind == OMPC_DEFAULTMAP_scalar || Kind == OMPC_DEFAULTMAP_pointer) { | ||||
756 | return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) || | ||||
757 | (M == OMPC_DEFAULTMAP_MODIFIER_to) || | ||||
758 | (M == OMPC_DEFAULTMAP_MODIFIER_from) || | ||||
759 | (M == OMPC_DEFAULTMAP_MODIFIER_tofrom); | ||||
760 | } | ||||
761 | return true; | ||||
762 | } | ||||
763 | static bool mustBeFirstprivateBase(OpenMPDefaultmapClauseModifier M, | ||||
764 | OpenMPDefaultmapClauseKind Kind) { | ||||
765 | switch (Kind) { | ||||
766 | case OMPC_DEFAULTMAP_scalar: | ||||
767 | case OMPC_DEFAULTMAP_pointer: | ||||
768 | return (M == OMPC_DEFAULTMAP_MODIFIER_unknown) || | ||||
769 | (M == OMPC_DEFAULTMAP_MODIFIER_firstprivate) || | ||||
770 | (M == OMPC_DEFAULTMAP_MODIFIER_default); | ||||
771 | case OMPC_DEFAULTMAP_aggregate: | ||||
772 | return M == OMPC_DEFAULTMAP_MODIFIER_firstprivate; | ||||
773 | default: | ||||
774 | break; | ||||
775 | } | ||||
776 | llvm_unreachable("Unexpected OpenMPDefaultmapClauseKind enum")::llvm::llvm_unreachable_internal("Unexpected OpenMPDefaultmapClauseKind enum" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 776); | ||||
777 | } | ||||
778 | bool mustBeFirstprivateAtLevel(unsigned Level, | ||||
779 | OpenMPDefaultmapClauseKind Kind) const { | ||||
780 | OpenMPDefaultmapClauseModifier M = | ||||
781 | getDefaultmapModifierAtLevel(Level, Kind); | ||||
782 | return mustBeFirstprivateBase(M, Kind); | ||||
783 | } | ||||
784 | bool mustBeFirstprivate(OpenMPDefaultmapClauseKind Kind) const { | ||||
785 | OpenMPDefaultmapClauseModifier M = getDefaultmapModifier(Kind); | ||||
786 | return mustBeFirstprivateBase(M, Kind); | ||||
787 | } | ||||
788 | |||||
789 | /// Checks if the specified variable is a threadprivate. | ||||
790 | bool isThreadPrivate(VarDecl *D) { | ||||
791 | const DSAVarData DVar = getTopDSA(D, false); | ||||
792 | return isOpenMPThreadPrivate(DVar.CKind); | ||||
793 | } | ||||
794 | |||||
795 | /// Marks current region as ordered (it has an 'ordered' clause). | ||||
796 | void setOrderedRegion(bool IsOrdered, const Expr *Param, | ||||
797 | OMPOrderedClause *Clause) { | ||||
798 | if (IsOrdered) | ||||
799 | getTopOfStack().OrderedRegion.emplace(Param, Clause); | ||||
800 | else | ||||
801 | getTopOfStack().OrderedRegion.reset(); | ||||
802 | } | ||||
803 | /// Returns true, if region is ordered (has associated 'ordered' clause), | ||||
804 | /// false - otherwise. | ||||
805 | bool isOrderedRegion() const { | ||||
806 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | ||||
807 | return Top->OrderedRegion.hasValue(); | ||||
808 | return false; | ||||
809 | } | ||||
810 | /// Returns optional parameter for the ordered region. | ||||
811 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { | ||||
812 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | ||||
813 | if (Top->OrderedRegion.hasValue()) | ||||
814 | return Top->OrderedRegion.getValue(); | ||||
815 | return std::make_pair(nullptr, nullptr); | ||||
816 | } | ||||
817 | /// Returns true, if parent region is ordered (has associated | ||||
818 | /// 'ordered' clause), false - otherwise. | ||||
819 | bool isParentOrderedRegion() const { | ||||
820 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
821 | return Parent->OrderedRegion.hasValue(); | ||||
822 | return false; | ||||
823 | } | ||||
824 | /// Returns optional parameter for the ordered region. | ||||
825 | std::pair<const Expr *, OMPOrderedClause *> | ||||
826 | getParentOrderedRegionParam() const { | ||||
827 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
828 | if (Parent->OrderedRegion.hasValue()) | ||||
829 | return Parent->OrderedRegion.getValue(); | ||||
830 | return std::make_pair(nullptr, nullptr); | ||||
831 | } | ||||
832 | /// Marks current region as nowait (it has a 'nowait' clause). | ||||
833 | void setNowaitRegion(bool IsNowait = true) { | ||||
834 | getTopOfStack().NowaitRegion = IsNowait; | ||||
835 | } | ||||
836 | /// Returns true, if parent region is nowait (has associated | ||||
837 | /// 'nowait' clause), false - otherwise. | ||||
838 | bool isParentNowaitRegion() const { | ||||
839 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
840 | return Parent->NowaitRegion; | ||||
841 | return false; | ||||
842 | } | ||||
843 | /// Marks parent region as cancel region. | ||||
844 | void setParentCancelRegion(bool Cancel = true) { | ||||
845 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
846 | Parent->CancelRegion |= Cancel; | ||||
847 | } | ||||
848 | /// Return true if current region has inner cancel construct. | ||||
849 | bool isCancelRegion() const { | ||||
850 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
851 | return Top ? Top->CancelRegion : false; | ||||
852 | } | ||||
853 | |||||
854 | /// Mark that parent region already has scan directive. | ||||
855 | void setParentHasScanDirective(SourceLocation Loc) { | ||||
856 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
857 | Parent->PrevScanLocation = Loc; | ||||
858 | } | ||||
859 | /// Return true if current region has inner cancel construct. | ||||
860 | bool doesParentHasScanDirective() const { | ||||
861 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||
862 | return Top ? Top->PrevScanLocation.isValid() : false; | ||||
863 | } | ||||
864 | /// Return true if current region has inner cancel construct. | ||||
865 | SourceLocation getParentScanDirectiveLoc() const { | ||||
866 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||
867 | return Top ? Top->PrevScanLocation : SourceLocation(); | ||||
868 | } | ||||
869 | /// Mark that parent region already has ordered directive. | ||||
870 | void setParentHasOrderedDirective(SourceLocation Loc) { | ||||
871 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
872 | Parent->PrevOrderedLocation = Loc; | ||||
873 | } | ||||
874 | /// Return true if current region has inner ordered construct. | ||||
875 | bool doesParentHasOrderedDirective() const { | ||||
876 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||
877 | return Top ? Top->PrevOrderedLocation.isValid() : false; | ||||
878 | } | ||||
879 | /// Returns the location of the previously specified ordered directive. | ||||
880 | SourceLocation getParentOrderedDirectiveLoc() const { | ||||
881 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||
882 | return Top ? Top->PrevOrderedLocation : SourceLocation(); | ||||
883 | } | ||||
884 | |||||
885 | /// Set collapse value for the region. | ||||
886 | void setAssociatedLoops(unsigned Val) { | ||||
887 | getTopOfStack().AssociatedLoops = Val; | ||||
888 | if (Val > 1) | ||||
889 | getTopOfStack().HasMutipleLoops = true; | ||||
890 | } | ||||
891 | /// Return collapse value for region. | ||||
892 | unsigned getAssociatedLoops() const { | ||||
893 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
894 | return Top ? Top->AssociatedLoops : 0; | ||||
895 | } | ||||
896 | /// Returns true if the construct is associated with multiple loops. | ||||
897 | bool hasMutipleLoops() const { | ||||
898 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
899 | return Top ? Top->HasMutipleLoops : false; | ||||
900 | } | ||||
901 | |||||
902 | /// Marks current target region as one with closely nested teams | ||||
903 | /// region. | ||||
904 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { | ||||
905 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
906 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; | ||||
907 | } | ||||
908 | /// Returns true, if current region has closely nested teams region. | ||||
909 | bool hasInnerTeamsRegion() const { | ||||
910 | return getInnerTeamsRegionLoc().isValid(); | ||||
911 | } | ||||
912 | /// Returns location of the nested teams region (if any). | ||||
913 | SourceLocation getInnerTeamsRegionLoc() const { | ||||
914 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
915 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); | ||||
916 | } | ||||
917 | |||||
918 | Scope *getCurScope() const { | ||||
919 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
920 | return Top ? Top->CurScope : nullptr; | ||||
921 | } | ||||
922 | void setContext(DeclContext *DC) { getTopOfStack().Context = DC; } | ||||
923 | SourceLocation getConstructLoc() const { | ||||
924 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
925 | return Top ? Top->ConstructLoc : SourceLocation(); | ||||
926 | } | ||||
927 | |||||
928 | /// Do the check specified in \a Check to all component lists and return true | ||||
929 | /// if any issue is found. | ||||
930 | bool checkMappableExprComponentListsForDecl( | ||||
931 | const ValueDecl *VD, bool CurrentRegionOnly, | ||||
932 | const llvm::function_ref< | ||||
933 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
934 | OpenMPClauseKind)> | ||||
935 | Check) const { | ||||
936 | if (isStackEmpty()) | ||||
937 | return false; | ||||
938 | auto SI = begin(); | ||||
939 | auto SE = end(); | ||||
940 | |||||
941 | if (SI == SE) | ||||
942 | return false; | ||||
943 | |||||
944 | if (CurrentRegionOnly) | ||||
945 | SE = std::next(SI); | ||||
946 | else | ||||
947 | std::advance(SI, 1); | ||||
948 | |||||
949 | for (; SI != SE; ++SI) { | ||||
950 | auto MI = SI->MappedExprComponents.find(VD); | ||||
951 | if (MI != SI->MappedExprComponents.end()) | ||||
952 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | ||||
953 | MI->second.Components) | ||||
954 | if (Check(L, MI->second.Kind)) | ||||
955 | return true; | ||||
956 | } | ||||
957 | return false; | ||||
958 | } | ||||
959 | |||||
960 | /// Do the check specified in \a Check to all component lists at a given level | ||||
961 | /// and return true if any issue is found. | ||||
962 | bool checkMappableExprComponentListsForDeclAtLevel( | ||||
963 | const ValueDecl *VD, unsigned Level, | ||||
964 | const llvm::function_ref< | ||||
965 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
966 | OpenMPClauseKind)> | ||||
967 | Check) const { | ||||
968 | if (getStackSize() <= Level) | ||||
969 | return false; | ||||
970 | |||||
971 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||
972 | auto MI = StackElem.MappedExprComponents.find(VD); | ||||
973 | if (MI != StackElem.MappedExprComponents.end()) | ||||
974 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | ||||
975 | MI->second.Components) | ||||
976 | if (Check(L, MI->second.Kind)) | ||||
977 | return true; | ||||
978 | return false; | ||||
979 | } | ||||
980 | |||||
981 | /// Create a new mappable expression component list associated with a given | ||||
982 | /// declaration and initialize it with the provided list of components. | ||||
983 | void addMappableExpressionComponents( | ||||
984 | const ValueDecl *VD, | ||||
985 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | ||||
986 | OpenMPClauseKind WhereFoundClauseKind) { | ||||
987 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; | ||||
988 | // Create new entry and append the new components there. | ||||
989 | MEC.Components.resize(MEC.Components.size() + 1); | ||||
990 | MEC.Components.back().append(Components.begin(), Components.end()); | ||||
991 | MEC.Kind = WhereFoundClauseKind; | ||||
992 | } | ||||
993 | |||||
994 | unsigned getNestingLevel() const { | ||||
995 | assert(!isStackEmpty())((!isStackEmpty()) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 995, __PRETTY_FUNCTION__)); | ||||
996 | return getStackSize() - 1; | ||||
997 | } | ||||
998 | void addDoacrossDependClause(OMPDependClause *C, | ||||
999 | const OperatorOffsetTy &OpsOffs) { | ||||
1000 | SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
1001 | assert(Parent && isOpenMPWorksharingDirective(Parent->Directive))((Parent && isOpenMPWorksharingDirective(Parent->Directive )) ? static_cast<void> (0) : __assert_fail ("Parent && isOpenMPWorksharingDirective(Parent->Directive)" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1001, __PRETTY_FUNCTION__)); | ||||
1002 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); | ||||
1003 | } | ||||
1004 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> | ||||
1005 | getDoacrossDependClauses() const { | ||||
1006 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
1007 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { | ||||
1008 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; | ||||
1009 | return llvm::make_range(Ref.begin(), Ref.end()); | ||||
1010 | } | ||||
1011 | return llvm::make_range(StackElem.DoacrossDepends.end(), | ||||
1012 | StackElem.DoacrossDepends.end()); | ||||
1013 | } | ||||
1014 | |||||
1015 | // Store types of classes which have been explicitly mapped | ||||
1016 | void addMappedClassesQualTypes(QualType QT) { | ||||
1017 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1018 | StackElem.MappedClassesQualTypes.insert(QT); | ||||
1019 | } | ||||
1020 | |||||
1021 | // Return set of mapped classes types | ||||
1022 | bool isClassPreviouslyMapped(QualType QT) const { | ||||
1023 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
1024 | return StackElem.MappedClassesQualTypes.count(QT) != 0; | ||||
1025 | } | ||||
1026 | |||||
1027 | /// Adds global declare target to the parent target region. | ||||
1028 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { | ||||
1029 | assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1031, __PRETTY_FUNCTION__)) | ||||
1030 | E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link &&((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1031, __PRETTY_FUNCTION__)) | ||||
1031 | "Expected declare target link global.")((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1031, __PRETTY_FUNCTION__)); | ||||
1032 | for (auto &Elem : *this) { | ||||
1033 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { | ||||
1034 | Elem.DeclareTargetLinkVarDecls.push_back(E); | ||||
1035 | return; | ||||
1036 | } | ||||
1037 | } | ||||
1038 | } | ||||
1039 | |||||
1040 | /// Returns the list of globals with declare target link if current directive | ||||
1041 | /// is target. | ||||
1042 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { | ||||
1043 | assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) &&((isOpenMPTargetExecutionDirective(getCurrentDirective()) && "Expected target executable directive.") ? static_cast<void > (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1044, __PRETTY_FUNCTION__)) | ||||
1044 | "Expected target executable directive.")((isOpenMPTargetExecutionDirective(getCurrentDirective()) && "Expected target executable directive.") ? static_cast<void > (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1044, __PRETTY_FUNCTION__)); | ||||
1045 | return getTopOfStack().DeclareTargetLinkVarDecls; | ||||
1046 | } | ||||
1047 | |||||
1048 | /// Adds list of allocators expressions. | ||||
1049 | void addInnerAllocatorExpr(Expr *E) { | ||||
1050 | getTopOfStack().InnerUsedAllocators.push_back(E); | ||||
1051 | } | ||||
1052 | /// Return list of used allocators. | ||||
1053 | ArrayRef<Expr *> getInnerAllocators() const { | ||||
1054 | return getTopOfStack().InnerUsedAllocators; | ||||
1055 | } | ||||
1056 | /// Marks the declaration as implicitly firstprivate nin the task-based | ||||
1057 | /// regions. | ||||
1058 | void addImplicitTaskFirstprivate(unsigned Level, Decl *D) { | ||||
1059 | getStackElemAtLevel(Level).ImplicitTaskFirstprivates.insert(D); | ||||
1060 | } | ||||
1061 | /// Checks if the decl is implicitly firstprivate in the task-based region. | ||||
1062 | bool isImplicitTaskFirstprivate(Decl *D) const { | ||||
1063 | return getTopOfStack().ImplicitTaskFirstprivates.count(D) > 0; | ||||
1064 | } | ||||
1065 | |||||
1066 | /// Marks decl as used in uses_allocators clause as the allocator. | ||||
1067 | void addUsesAllocatorsDecl(const Decl *D, UsesAllocatorsDeclKind Kind) { | ||||
1068 | getTopOfStack().UsesAllocatorsDecls.try_emplace(D, Kind); | ||||
1069 | } | ||||
1070 | /// Checks if specified decl is used in uses allocator clause as the | ||||
1071 | /// allocator. | ||||
1072 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(unsigned Level, | ||||
1073 | const Decl *D) const { | ||||
1074 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
1075 | auto I = StackElem.UsesAllocatorsDecls.find(D); | ||||
1076 | if (I == StackElem.UsesAllocatorsDecls.end()) | ||||
1077 | return None; | ||||
1078 | return I->getSecond(); | ||||
1079 | } | ||||
1080 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(const Decl *D) const { | ||||
1081 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
1082 | auto I = StackElem.UsesAllocatorsDecls.find(D); | ||||
1083 | if (I == StackElem.UsesAllocatorsDecls.end()) | ||||
1084 | return None; | ||||
1085 | return I->getSecond(); | ||||
1086 | } | ||||
1087 | |||||
1088 | void addDeclareMapperVarRef(Expr *Ref) { | ||||
1089 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1090 | StackElem.DeclareMapperVar = Ref; | ||||
1091 | } | ||||
1092 | const Expr *getDeclareMapperVarRef() const { | ||||
1093 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
1094 | return Top ? Top->DeclareMapperVar : nullptr; | ||||
1095 | } | ||||
1096 | }; | ||||
1097 | |||||
1098 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { | ||||
1099 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); | ||||
1100 | } | ||||
1101 | |||||
1102 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { | ||||
1103 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || | ||||
1104 | DKind == OMPD_unknown; | ||||
1105 | } | ||||
1106 | |||||
1107 | } // namespace | ||||
1108 | |||||
1109 | static const Expr *getExprAsWritten(const Expr *E) { | ||||
1110 | if (const auto *FE = dyn_cast<FullExpr>(E)) | ||||
1111 | E = FE->getSubExpr(); | ||||
1112 | |||||
1113 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) | ||||
1114 | E = MTE->getSubExpr(); | ||||
1115 | |||||
1116 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) | ||||
1117 | E = Binder->getSubExpr(); | ||||
1118 | |||||
1119 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) | ||||
1120 | E = ICE->getSubExprAsWritten(); | ||||
1121 | return E->IgnoreParens(); | ||||
1122 | } | ||||
1123 | |||||
1124 | static Expr *getExprAsWritten(Expr *E) { | ||||
1125 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); | ||||
1126 | } | ||||
1127 | |||||
1128 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { | ||||
1129 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) | ||||
1130 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||
1131 | D = ME->getMemberDecl(); | ||||
1132 | const auto *VD = dyn_cast<VarDecl>(D); | ||||
1133 | const auto *FD = dyn_cast<FieldDecl>(D); | ||||
1134 | if (VD != nullptr) { | ||||
1135 | VD = VD->getCanonicalDecl(); | ||||
1136 | D = VD; | ||||
1137 | } else { | ||||
1138 | assert(FD)((FD) ? static_cast<void> (0) : __assert_fail ("FD", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1138, __PRETTY_FUNCTION__)); | ||||
1139 | FD = FD->getCanonicalDecl(); | ||||
1140 | D = FD; | ||||
1141 | } | ||||
1142 | return D; | ||||
1143 | } | ||||
1144 | |||||
1145 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { | ||||
1146 | return const_cast<ValueDecl *>( | ||||
1147 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); | ||||
1148 | } | ||||
1149 | |||||
1150 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, | ||||
1151 | ValueDecl *D) const { | ||||
1152 | D = getCanonicalDecl(D); | ||||
1153 | auto *VD = dyn_cast<VarDecl>(D); | ||||
1154 | const auto *FD = dyn_cast<FieldDecl>(D); | ||||
1155 | DSAVarData DVar; | ||||
1156 | if (Iter == end()) { | ||||
1157 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1158 | // in a region but not in construct] | ||||
1159 | // File-scope or namespace-scope variables referenced in called routines | ||||
1160 | // in the region are shared unless they appear in a threadprivate | ||||
1161 | // directive. | ||||
1162 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) | ||||
1163 | DVar.CKind = OMPC_shared; | ||||
1164 | |||||
1165 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced | ||||
1166 | // in a region but not in construct] | ||||
1167 | // Variables with static storage duration that are declared in called | ||||
1168 | // routines in the region are shared. | ||||
1169 | if (VD && VD->hasGlobalStorage()) | ||||
1170 | DVar.CKind = OMPC_shared; | ||||
1171 | |||||
1172 | // Non-static data members are shared by default. | ||||
1173 | if (FD) | ||||
1174 | DVar.CKind = OMPC_shared; | ||||
1175 | |||||
1176 | return DVar; | ||||
1177 | } | ||||
1178 | |||||
1179 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1180 | // in a Construct, C/C++, predetermined, p.1] | ||||
1181 | // Variables with automatic storage duration that are declared in a scope | ||||
1182 | // inside the construct are private. | ||||
1183 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && | ||||
1184 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { | ||||
1185 | DVar.CKind = OMPC_private; | ||||
1186 | return DVar; | ||||
1187 | } | ||||
1188 | |||||
1189 | DVar.DKind = Iter->Directive; | ||||
1190 | // Explicitly specified attributes and local variables with predetermined | ||||
1191 | // attributes. | ||||
1192 | if (Iter->SharingMap.count(D)) { | ||||
1193 | const DSAInfo &Data = Iter->SharingMap.lookup(D); | ||||
1194 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||
1195 | DVar.PrivateCopy = Data.PrivateCopy; | ||||
1196 | DVar.CKind = Data.Attributes; | ||||
1197 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||
1198 | DVar.Modifier = Data.Modifier; | ||||
1199 | DVar.AppliedToPointee = Data.AppliedToPointee; | ||||
1200 | return DVar; | ||||
1201 | } | ||||
1202 | |||||
1203 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1204 | // in a Construct, C/C++, implicitly determined, p.1] | ||||
1205 | // In a parallel or task construct, the data-sharing attributes of these | ||||
1206 | // variables are determined by the default clause, if present. | ||||
1207 | switch (Iter->DefaultAttr) { | ||||
1208 | case DSA_shared: | ||||
1209 | DVar.CKind = OMPC_shared; | ||||
1210 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||
1211 | return DVar; | ||||
1212 | case DSA_none: | ||||
1213 | return DVar; | ||||
1214 | case DSA_firstprivate: | ||||
1215 | if (VD->getStorageDuration() == SD_Static && | ||||
1216 | VD->getDeclContext()->isFileContext()) { | ||||
1217 | DVar.CKind = OMPC_unknown; | ||||
1218 | } else { | ||||
1219 | DVar.CKind = OMPC_firstprivate; | ||||
1220 | } | ||||
1221 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||
1222 | return DVar; | ||||
1223 | case DSA_unspecified: | ||||
1224 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1225 | // in a Construct, implicitly determined, p.2] | ||||
1226 | // In a parallel construct, if no default clause is present, these | ||||
1227 | // variables are shared. | ||||
1228 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||
1229 | if ((isOpenMPParallelDirective(DVar.DKind) && | ||||
1230 | !isOpenMPTaskLoopDirective(DVar.DKind)) || | ||||
1231 | isOpenMPTeamsDirective(DVar.DKind)) { | ||||
1232 | DVar.CKind = OMPC_shared; | ||||
1233 | return DVar; | ||||
1234 | } | ||||
1235 | |||||
1236 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1237 | // in a Construct, implicitly determined, p.4] | ||||
1238 | // In a task construct, if no default clause is present, a variable that in | ||||
1239 | // the enclosing context is determined to be shared by all implicit tasks | ||||
1240 | // bound to the current team is shared. | ||||
1241 | if (isOpenMPTaskingDirective(DVar.DKind)) { | ||||
1242 | DSAVarData DVarTemp; | ||||
1243 | const_iterator I = Iter, E = end(); | ||||
1244 | do { | ||||
1245 | ++I; | ||||
1246 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables | ||||
1247 | // Referenced in a Construct, implicitly determined, p.6] | ||||
1248 | // In a task construct, if no default clause is present, a variable | ||||
1249 | // whose data-sharing attribute is not determined by the rules above is | ||||
1250 | // firstprivate. | ||||
1251 | DVarTemp = getDSA(I, D); | ||||
1252 | if (DVarTemp.CKind != OMPC_shared) { | ||||
1253 | DVar.RefExpr = nullptr; | ||||
1254 | DVar.CKind = OMPC_firstprivate; | ||||
1255 | return DVar; | ||||
1256 | } | ||||
1257 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); | ||||
1258 | DVar.CKind = | ||||
1259 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; | ||||
1260 | return DVar; | ||||
1261 | } | ||||
1262 | } | ||||
1263 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1264 | // in a Construct, implicitly determined, p.3] | ||||
1265 | // For constructs other than task, if no default clause is present, these | ||||
1266 | // variables inherit their data-sharing attributes from the enclosing | ||||
1267 | // context. | ||||
1268 | return getDSA(++Iter, D); | ||||
1269 | } | ||||
1270 | |||||
1271 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, | ||||
1272 | const Expr *NewDE) { | ||||
1273 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((!isStackEmpty() && "Data sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1273, __PRETTY_FUNCTION__)); | ||||
1274 | D = getCanonicalDecl(D); | ||||
1275 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1276 | auto It = StackElem.AlignedMap.find(D); | ||||
1277 | if (It == StackElem.AlignedMap.end()) { | ||||
1278 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? static_cast<void> (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1278, __PRETTY_FUNCTION__)); | ||||
1279 | StackElem.AlignedMap[D] = NewDE; | ||||
1280 | return nullptr; | ||||
1281 | } | ||||
1282 | assert(It->second && "Unexpected nullptr expr in the aligned map")((It->second && "Unexpected nullptr expr in the aligned map" ) ? static_cast<void> (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1282, __PRETTY_FUNCTION__)); | ||||
1283 | return It->second; | ||||
1284 | } | ||||
1285 | |||||
1286 | const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D, | ||||
1287 | const Expr *NewDE) { | ||||
1288 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((!isStackEmpty() && "Data sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1288, __PRETTY_FUNCTION__)); | ||||
1289 | D = getCanonicalDecl(D); | ||||
1290 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1291 | auto It = StackElem.NontemporalMap.find(D); | ||||
1292 | if (It == StackElem.NontemporalMap.end()) { | ||||
1293 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? static_cast<void> (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1293, __PRETTY_FUNCTION__)); | ||||
1294 | StackElem.NontemporalMap[D] = NewDE; | ||||
1295 | return nullptr; | ||||
1296 | } | ||||
1297 | assert(It->second && "Unexpected nullptr expr in the aligned map")((It->second && "Unexpected nullptr expr in the aligned map" ) ? static_cast<void> (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1297, __PRETTY_FUNCTION__)); | ||||
1298 | return It->second; | ||||
1299 | } | ||||
1300 | |||||
1301 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { | ||||
1302 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1302, __PRETTY_FUNCTION__)); | ||||
1303 | D = getCanonicalDecl(D); | ||||
1304 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1305 | StackElem.LCVMap.try_emplace( | ||||
1306 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); | ||||
1307 | } | ||||
1308 | |||||
1309 | const DSAStackTy::LCDeclInfo | ||||
1310 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { | ||||
1311 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1311, __PRETTY_FUNCTION__)); | ||||
1312 | D = getCanonicalDecl(D); | ||||
1313 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
1314 | auto It = StackElem.LCVMap.find(D); | ||||
1315 | if (It != StackElem.LCVMap.end()) | ||||
1316 | return It->second; | ||||
1317 | return {0, nullptr}; | ||||
1318 | } | ||||
1319 | |||||
1320 | const DSAStackTy::LCDeclInfo | ||||
1321 | DSAStackTy::isLoopControlVariable(const ValueDecl *D, unsigned Level) const { | ||||
1322 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1322, __PRETTY_FUNCTION__)); | ||||
1323 | D = getCanonicalDecl(D); | ||||
1324 | for (unsigned I = Level + 1; I > 0; --I) { | ||||
1325 | const SharingMapTy &StackElem = getStackElemAtLevel(I - 1); | ||||
1326 | auto It = StackElem.LCVMap.find(D); | ||||
1327 | if (It != StackElem.LCVMap.end()) | ||||
1328 | return It->second; | ||||
1329 | } | ||||
1330 | return {0, nullptr}; | ||||
1331 | } | ||||
1332 | |||||
1333 | const DSAStackTy::LCDeclInfo | ||||
1334 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { | ||||
1335 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
1336 | assert(Parent && "Data-sharing attributes stack is empty")((Parent && "Data-sharing attributes stack is empty") ? static_cast<void> (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1336, __PRETTY_FUNCTION__)); | ||||
1337 | D = getCanonicalDecl(D); | ||||
1338 | auto It = Parent->LCVMap.find(D); | ||||
1339 | if (It != Parent->LCVMap.end()) | ||||
1340 | return It->second; | ||||
1341 | return {0, nullptr}; | ||||
1342 | } | ||||
1343 | |||||
1344 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { | ||||
1345 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
1346 | assert(Parent && "Data-sharing attributes stack is empty")((Parent && "Data-sharing attributes stack is empty") ? static_cast<void> (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1346, __PRETTY_FUNCTION__)); | ||||
1347 | if (Parent->LCVMap.size() < I) | ||||
1348 | return nullptr; | ||||
1349 | for (const auto &Pair : Parent->LCVMap) | ||||
1350 | if (Pair.second.first == I) | ||||
1351 | return Pair.first; | ||||
1352 | return nullptr; | ||||
1353 | } | ||||
1354 | |||||
1355 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | ||||
1356 | DeclRefExpr *PrivateCopy, unsigned Modifier, | ||||
1357 | bool AppliedToPointee) { | ||||
1358 | D = getCanonicalDecl(D); | ||||
1359 | if (A == OMPC_threadprivate) { | ||||
1360 | DSAInfo &Data = Threadprivates[D]; | ||||
1361 | Data.Attributes = A; | ||||
1362 | Data.RefExpr.setPointer(E); | ||||
1363 | Data.PrivateCopy = nullptr; | ||||
1364 | Data.Modifier = Modifier; | ||||
1365 | } else { | ||||
1366 | DSAInfo &Data = getTopOfStack().SharingMap[D]; | ||||
1367 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1370, __PRETTY_FUNCTION__)) | ||||
1368 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1370, __PRETTY_FUNCTION__)) | ||||
1369 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1370, __PRETTY_FUNCTION__)) | ||||
1370 | (isLoopControlVariable(D).first && A == OMPC_private))((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1370, __PRETTY_FUNCTION__)); | ||||
1371 | Data.Modifier = Modifier; | ||||
1372 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { | ||||
1373 | Data.RefExpr.setInt(/*IntVal=*/true); | ||||
1374 | return; | ||||
1375 | } | ||||
1376 | const bool IsLastprivate = | ||||
1377 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; | ||||
1378 | Data.Attributes = A; | ||||
1379 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); | ||||
1380 | Data.PrivateCopy = PrivateCopy; | ||||
1381 | Data.AppliedToPointee = AppliedToPointee; | ||||
1382 | if (PrivateCopy) { | ||||
1383 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; | ||||
1384 | Data.Modifier = Modifier; | ||||
1385 | Data.Attributes = A; | ||||
1386 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); | ||||
1387 | Data.PrivateCopy = nullptr; | ||||
1388 | Data.AppliedToPointee = AppliedToPointee; | ||||
1389 | } | ||||
1390 | } | ||||
1391 | } | ||||
1392 | |||||
1393 | /// Build a variable declaration for OpenMP loop iteration variable. | ||||
1394 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, | ||||
1395 | StringRef Name, const AttrVec *Attrs = nullptr, | ||||
1396 | DeclRefExpr *OrigRef = nullptr) { | ||||
1397 | DeclContext *DC = SemaRef.CurContext; | ||||
1398 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); | ||||
1399 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); | ||||
1400 | auto *Decl = | ||||
1401 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); | ||||
1402 | if (Attrs) { | ||||
1403 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); | ||||
1404 | I != E; ++I) | ||||
1405 | Decl->addAttr(*I); | ||||
1406 | } | ||||
1407 | Decl->setImplicit(); | ||||
1408 | if (OrigRef) { | ||||
1409 | Decl->addAttr( | ||||
1410 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); | ||||
1411 | } | ||||
1412 | return Decl; | ||||
1413 | } | ||||
1414 | |||||
1415 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, | ||||
1416 | SourceLocation Loc, | ||||
1417 | bool RefersToCapture = false) { | ||||
1418 | D->setReferenced(); | ||||
1419 | D->markUsed(S.Context); | ||||
1420 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), | ||||
1421 | SourceLocation(), D, RefersToCapture, Loc, Ty, | ||||
1422 | VK_LValue); | ||||
1423 | } | ||||
1424 | |||||
1425 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
1426 | BinaryOperatorKind BOK) { | ||||
1427 | D = getCanonicalDecl(D); | ||||
1428 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1428, __PRETTY_FUNCTION__)); | ||||
1429 | assert(((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1431, __PRETTY_FUNCTION__)) | ||||
1430 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1431, __PRETTY_FUNCTION__)) | ||||
1431 | "Additional reduction info may be specified only for reduction items.")((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1431, __PRETTY_FUNCTION__)); | ||||
1432 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | ||||
1433 | assert(ReductionData.ReductionRange.isInvalid() &&((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1439, __PRETTY_FUNCTION__)) | ||||
1434 | (getTopOfStack().Directive == OMPD_taskgroup ||((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1439, __PRETTY_FUNCTION__)) | ||||
1435 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1439, __PRETTY_FUNCTION__)) | ||||
1436 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1439, __PRETTY_FUNCTION__)) | ||||
1437 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1439, __PRETTY_FUNCTION__)) | ||||
1438 | "Additional reduction info may be specified only once for reduction "((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1439, __PRETTY_FUNCTION__)) | ||||
1439 | "items.")((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1439, __PRETTY_FUNCTION__)); | ||||
1440 | ReductionData.set(BOK, SR); | ||||
1441 | Expr *&TaskgroupReductionRef = | ||||
1442 | getTopOfStack().TaskgroupReductionRef; | ||||
1443 | if (!TaskgroupReductionRef) { | ||||
1444 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | ||||
1445 | SemaRef.Context.VoidPtrTy, ".task_red."); | ||||
1446 | TaskgroupReductionRef = | ||||
1447 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | ||||
1448 | } | ||||
1449 | } | ||||
1450 | |||||
1451 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
1452 | const Expr *ReductionRef) { | ||||
1453 | D = getCanonicalDecl(D); | ||||
1454 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1454, __PRETTY_FUNCTION__)); | ||||
1455 | assert(((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1457, __PRETTY_FUNCTION__)) | ||||
1456 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1457, __PRETTY_FUNCTION__)) | ||||
1457 | "Additional reduction info may be specified only for reduction items.")((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1457, __PRETTY_FUNCTION__)); | ||||
1458 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | ||||
1459 | assert(ReductionData.ReductionRange.isInvalid() &&((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1465, __PRETTY_FUNCTION__)) | ||||
1460 | (getTopOfStack().Directive == OMPD_taskgroup ||((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1465, __PRETTY_FUNCTION__)) | ||||
1461 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1465, __PRETTY_FUNCTION__)) | ||||
1462 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1465, __PRETTY_FUNCTION__)) | ||||
1463 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1465, __PRETTY_FUNCTION__)) | ||||
1464 | "Additional reduction info may be specified only once for reduction "((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1465, __PRETTY_FUNCTION__)) | ||||
1465 | "items.")((ReductionData.ReductionRange.isInvalid() && (getTopOfStack ().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective (getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack ().Directive)) && !isOpenMPSimdDirective(getTopOfStack ().Directive))) && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && (getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1465, __PRETTY_FUNCTION__)); | ||||
1466 | ReductionData.set(ReductionRef, SR); | ||||
1467 | Expr *&TaskgroupReductionRef = | ||||
1468 | getTopOfStack().TaskgroupReductionRef; | ||||
1469 | if (!TaskgroupReductionRef) { | ||||
1470 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | ||||
1471 | SemaRef.Context.VoidPtrTy, ".task_red."); | ||||
1472 | TaskgroupReductionRef = | ||||
1473 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | ||||
1474 | } | ||||
1475 | } | ||||
1476 | |||||
1477 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | ||||
1478 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, | ||||
1479 | Expr *&TaskgroupDescriptor) const { | ||||
1480 | D = getCanonicalDecl(D); | ||||
1481 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1481, __PRETTY_FUNCTION__)); | ||||
1482 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | ||||
1483 | const DSAInfo &Data = I->SharingMap.lookup(D); | ||||
1484 | if (Data.Attributes != OMPC_reduction || | ||||
1485 | Data.Modifier != OMPC_REDUCTION_task) | ||||
1486 | continue; | ||||
1487 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | ||||
1488 | if (!ReductionData.ReductionOp || | ||||
1489 | ReductionData.ReductionOp.is<const Expr *>()) | ||||
1490 | return DSAVarData(); | ||||
1491 | SR = ReductionData.ReductionRange; | ||||
1492 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); | ||||
1493 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1495, __PRETTY_FUNCTION__)) | ||||
1494 | "expression for the descriptor is not "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1495, __PRETTY_FUNCTION__)) | ||||
1495 | "set.")((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1495, __PRETTY_FUNCTION__)); | ||||
1496 | TaskgroupDescriptor = I->TaskgroupReductionRef; | ||||
1497 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), | ||||
1498 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, | ||||
1499 | /*AppliedToPointee=*/false); | ||||
1500 | } | ||||
1501 | return DSAVarData(); | ||||
1502 | } | ||||
1503 | |||||
1504 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | ||||
1505 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, | ||||
1506 | Expr *&TaskgroupDescriptor) const { | ||||
1507 | D = getCanonicalDecl(D); | ||||
1508 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1508, __PRETTY_FUNCTION__)); | ||||
1509 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | ||||
1510 | const DSAInfo &Data = I->SharingMap.lookup(D); | ||||
1511 | if (Data.Attributes != OMPC_reduction || | ||||
1512 | Data.Modifier != OMPC_REDUCTION_task) | ||||
1513 | continue; | ||||
1514 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | ||||
1515 | if (!ReductionData.ReductionOp || | ||||
1516 | !ReductionData.ReductionOp.is<const Expr *>()) | ||||
1517 | return DSAVarData(); | ||||
1518 | SR = ReductionData.ReductionRange; | ||||
1519 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); | ||||
1520 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1522, __PRETTY_FUNCTION__)) | ||||
1521 | "expression for the descriptor is not "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1522, __PRETTY_FUNCTION__)) | ||||
1522 | "set.")((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1522, __PRETTY_FUNCTION__)); | ||||
1523 | TaskgroupDescriptor = I->TaskgroupReductionRef; | ||||
1524 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), | ||||
1525 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, | ||||
1526 | /*AppliedToPointee=*/false); | ||||
1527 | } | ||||
1528 | return DSAVarData(); | ||||
1529 | } | ||||
1530 | |||||
1531 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { | ||||
1532 | D = D->getCanonicalDecl(); | ||||
1533 | for (const_iterator E = end(); I != E; ++I) { | ||||
1534 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || | ||||
1535 | isOpenMPTargetExecutionDirective(I->Directive)) { | ||||
1536 | if (I->CurScope) { | ||||
1537 | Scope *TopScope = I->CurScope->getParent(); | ||||
1538 | Scope *CurScope = getCurScope(); | ||||
1539 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) | ||||
1540 | CurScope = CurScope->getParent(); | ||||
1541 | return CurScope != TopScope; | ||||
1542 | } | ||||
1543 | for (DeclContext *DC = D->getDeclContext(); DC; DC = DC->getParent()) | ||||
1544 | if (I->Context == DC) | ||||
1545 | return true; | ||||
1546 | return false; | ||||
1547 | } | ||||
1548 | } | ||||
1549 | return false; | ||||
1550 | } | ||||
1551 | |||||
1552 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, | ||||
1553 | bool AcceptIfMutable = true, | ||||
1554 | bool *IsClassType = nullptr) { | ||||
1555 | ASTContext &Context = SemaRef.getASTContext(); | ||||
1556 | Type = Type.getNonReferenceType().getCanonicalType(); | ||||
1557 | bool IsConstant = Type.isConstant(Context); | ||||
1558 | Type = Context.getBaseElementType(Type); | ||||
1559 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus | ||||
1560 | ? Type->getAsCXXRecordDecl() | ||||
1561 | : nullptr; | ||||
1562 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) | ||||
1563 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) | ||||
1564 | RD = CTD->getTemplatedDecl(); | ||||
1565 | if (IsClassType) | ||||
1566 | *IsClassType = RD; | ||||
1567 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && | ||||
1568 | RD->hasDefinition() && RD->hasMutableFields()); | ||||
1569 | } | ||||
1570 | |||||
1571 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, | ||||
1572 | QualType Type, OpenMPClauseKind CKind, | ||||
1573 | SourceLocation ELoc, | ||||
1574 | bool AcceptIfMutable = true, | ||||
1575 | bool ListItemNotVar = false) { | ||||
1576 | ASTContext &Context = SemaRef.getASTContext(); | ||||
1577 | bool IsClassType; | ||||
1578 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { | ||||
1579 | unsigned Diag = ListItemNotVar | ||||
1580 | ? diag::err_omp_const_list_item | ||||
1581 | : IsClassType ? diag::err_omp_const_not_mutable_variable | ||||
1582 | : diag::err_omp_const_variable; | ||||
1583 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); | ||||
1584 | if (!ListItemNotVar && D) { | ||||
1585 | const VarDecl *VD = dyn_cast<VarDecl>(D); | ||||
1586 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
1587 | VarDecl::DeclarationOnly; | ||||
1588 | SemaRef.Diag(D->getLocation(), | ||||
1589 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
1590 | << D; | ||||
1591 | } | ||||
1592 | return true; | ||||
1593 | } | ||||
1594 | return false; | ||||
1595 | } | ||||
1596 | |||||
1597 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, | ||||
1598 | bool FromParent) { | ||||
1599 | D = getCanonicalDecl(D); | ||||
1600 | DSAVarData DVar; | ||||
1601 | |||||
1602 | auto *VD = dyn_cast<VarDecl>(D); | ||||
1603 | auto TI = Threadprivates.find(D); | ||||
1604 | if (TI != Threadprivates.end()) { | ||||
1605 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); | ||||
1606 | DVar.CKind = OMPC_threadprivate; | ||||
1607 | DVar.Modifier = TI->getSecond().Modifier; | ||||
1608 | return DVar; | ||||
1609 | } | ||||
1610 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { | ||||
1611 | DVar.RefExpr = buildDeclRefExpr( | ||||
1612 | SemaRef, VD, D->getType().getNonReferenceType(), | ||||
1613 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); | ||||
1614 | DVar.CKind = OMPC_threadprivate; | ||||
1615 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | ||||
1616 | return DVar; | ||||
1617 | } | ||||
1618 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1619 | // in a Construct, C/C++, predetermined, p.1] | ||||
1620 | // Variables appearing in threadprivate directives are threadprivate. | ||||
1621 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && | ||||
1622 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | ||||
1623 | SemaRef.getLangOpts().OpenMPUseTLS && | ||||
1624 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || | ||||
1625 | (VD && VD->getStorageClass() == SC_Register && | ||||
1626 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { | ||||
1627 | DVar.RefExpr = buildDeclRefExpr( | ||||
1628 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); | ||||
1629 | DVar.CKind = OMPC_threadprivate; | ||||
1630 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | ||||
1631 | return DVar; | ||||
1632 | } | ||||
1633 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && | ||||
1634 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && | ||||
1635 | !isLoopControlVariable(D).first) { | ||||
1636 | const_iterator IterTarget = | ||||
1637 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { | ||||
1638 | return isOpenMPTargetExecutionDirective(Data.Directive); | ||||
1639 | }); | ||||
1640 | if (IterTarget != end()) { | ||||
1641 | const_iterator ParentIterTarget = IterTarget + 1; | ||||
1642 | for (const_iterator Iter = begin(); | ||||
1643 | Iter != ParentIterTarget; ++Iter) { | ||||
1644 | if (isOpenMPLocal(VD, Iter)) { | ||||
1645 | DVar.RefExpr = | ||||
1646 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | ||||
1647 | D->getLocation()); | ||||
1648 | DVar.CKind = OMPC_threadprivate; | ||||
1649 | return DVar; | ||||
1650 | } | ||||
1651 | } | ||||
1652 | if (!isClauseParsingMode() || IterTarget != begin()) { | ||||
1653 | auto DSAIter = IterTarget->SharingMap.find(D); | ||||
1654 | if (DSAIter != IterTarget->SharingMap.end() && | ||||
1655 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { | ||||
1656 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); | ||||
1657 | DVar.CKind = OMPC_threadprivate; | ||||
1658 | return DVar; | ||||
1659 | } | ||||
1660 | const_iterator End = end(); | ||||
1661 | if (!SemaRef.isOpenMPCapturedByRef( | ||||
1662 | D, std::distance(ParentIterTarget, End), | ||||
1663 | /*OpenMPCaptureLevel=*/0)) { | ||||
1664 | DVar.RefExpr = | ||||
1665 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | ||||
1666 | IterTarget->ConstructLoc); | ||||
1667 | DVar.CKind = OMPC_threadprivate; | ||||
1668 | return DVar; | ||||
1669 | } | ||||
1670 | } | ||||
1671 | } | ||||
1672 | } | ||||
1673 | |||||
1674 | if (isStackEmpty()) | ||||
1675 | // Not in OpenMP execution region and top scope was already checked. | ||||
1676 | return DVar; | ||||
1677 | |||||
1678 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1679 | // in a Construct, C/C++, predetermined, p.4] | ||||
1680 | // Static data members are shared. | ||||
1681 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1682 | // in a Construct, C/C++, predetermined, p.7] | ||||
1683 | // Variables with static storage duration that are declared in a scope | ||||
1684 | // inside the construct are shared. | ||||
1685 | if (VD && VD->isStaticDataMember()) { | ||||
1686 | // Check for explicitly specified attributes. | ||||
1687 | const_iterator I = begin(); | ||||
1688 | const_iterator EndI = end(); | ||||
1689 | if (FromParent && I != EndI) | ||||
1690 | ++I; | ||||
1691 | if (I != EndI) { | ||||
1692 | auto It = I->SharingMap.find(D); | ||||
1693 | if (It != I->SharingMap.end()) { | ||||
1694 | const DSAInfo &Data = It->getSecond(); | ||||
1695 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||
1696 | DVar.PrivateCopy = Data.PrivateCopy; | ||||
1697 | DVar.CKind = Data.Attributes; | ||||
1698 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | ||||
1699 | DVar.DKind = I->Directive; | ||||
1700 | DVar.Modifier = Data.Modifier; | ||||
1701 | DVar.AppliedToPointee = Data.AppliedToPointee; | ||||
1702 | return DVar; | ||||
1703 | } | ||||
1704 | } | ||||
1705 | |||||
1706 | DVar.CKind = OMPC_shared; | ||||
1707 | return DVar; | ||||
1708 | } | ||||
1709 | |||||
1710 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; | ||||
1711 | // The predetermined shared attribute for const-qualified types having no | ||||
1712 | // mutable members was removed after OpenMP 3.1. | ||||
1713 | if (SemaRef.LangOpts.OpenMP <= 31) { | ||||
1714 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1715 | // in a Construct, C/C++, predetermined, p.6] | ||||
1716 | // Variables with const qualified type having no mutable member are | ||||
1717 | // shared. | ||||
1718 | if (isConstNotMutableType(SemaRef, D->getType())) { | ||||
1719 | // Variables with const-qualified type having no mutable member may be | ||||
1720 | // listed in a firstprivate clause, even if they are static data members. | ||||
1721 | DSAVarData DVarTemp = hasInnermostDSA( | ||||
1722 | D, | ||||
1723 | [](OpenMPClauseKind C, bool) { | ||||
1724 | return C == OMPC_firstprivate || C == OMPC_shared; | ||||
1725 | }, | ||||
1726 | MatchesAlways, FromParent); | ||||
1727 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) | ||||
1728 | return DVarTemp; | ||||
1729 | |||||
1730 | DVar.CKind = OMPC_shared; | ||||
1731 | return DVar; | ||||
1732 | } | ||||
1733 | } | ||||
1734 | |||||
1735 | // Explicitly specified attributes and local variables with predetermined | ||||
1736 | // attributes. | ||||
1737 | const_iterator I = begin(); | ||||
1738 | const_iterator EndI = end(); | ||||
1739 | if (FromParent && I != EndI) | ||||
1740 | ++I; | ||||
1741 | if (I == EndI) | ||||
1742 | return DVar; | ||||
1743 | auto It = I->SharingMap.find(D); | ||||
1744 | if (It != I->SharingMap.end()) { | ||||
1745 | const DSAInfo &Data = It->getSecond(); | ||||
1746 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||
1747 | DVar.PrivateCopy = Data.PrivateCopy; | ||||
1748 | DVar.CKind = Data.Attributes; | ||||
1749 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | ||||
1750 | DVar.DKind = I->Directive; | ||||
1751 | DVar.Modifier = Data.Modifier; | ||||
1752 | DVar.AppliedToPointee = Data.AppliedToPointee; | ||||
1753 | } | ||||
1754 | |||||
1755 | return DVar; | ||||
1756 | } | ||||
1757 | |||||
1758 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | ||||
1759 | bool FromParent) const { | ||||
1760 | if (isStackEmpty()) { | ||||
1761 | const_iterator I; | ||||
1762 | return getDSA(I, D); | ||||
1763 | } | ||||
1764 | D = getCanonicalDecl(D); | ||||
1765 | const_iterator StartI = begin(); | ||||
1766 | const_iterator EndI = end(); | ||||
1767 | if (FromParent && StartI != EndI) | ||||
1768 | ++StartI; | ||||
1769 | return getDSA(StartI, D); | ||||
1770 | } | ||||
1771 | |||||
1772 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | ||||
1773 | unsigned Level) const { | ||||
1774 | if (getStackSize() <= Level) | ||||
1775 | return DSAVarData(); | ||||
1776 | D = getCanonicalDecl(D); | ||||
1777 | const_iterator StartI = std::next(begin(), getStackSize() - 1 - Level); | ||||
1778 | return getDSA(StartI, D); | ||||
1779 | } | ||||
1780 | |||||
1781 | const DSAStackTy::DSAVarData | ||||
1782 | DSAStackTy::hasDSA(ValueDecl *D, | ||||
1783 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||
1784 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
1785 | bool FromParent) const { | ||||
1786 | if (isStackEmpty()) | ||||
1787 | return {}; | ||||
1788 | D = getCanonicalDecl(D); | ||||
1789 | const_iterator I = begin(); | ||||
1790 | const_iterator EndI = end(); | ||||
1791 | if (FromParent && I != EndI) | ||||
1792 | ++I; | ||||
1793 | for (; I != EndI; ++I) { | ||||
1794 | if (!DPred(I->Directive) && | ||||
1795 | !isImplicitOrExplicitTaskingRegion(I->Directive)) | ||||
1796 | continue; | ||||
1797 | const_iterator NewI = I; | ||||
1798 | DSAVarData DVar = getDSA(NewI, D); | ||||
1799 | if (I == NewI && CPred(DVar.CKind, DVar.AppliedToPointee)) | ||||
1800 | return DVar; | ||||
1801 | } | ||||
1802 | return {}; | ||||
1803 | } | ||||
1804 | |||||
1805 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( | ||||
1806 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||
1807 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
1808 | bool FromParent) const { | ||||
1809 | if (isStackEmpty()) | ||||
1810 | return {}; | ||||
1811 | D = getCanonicalDecl(D); | ||||
1812 | const_iterator StartI = begin(); | ||||
1813 | const_iterator EndI = end(); | ||||
1814 | if (FromParent && StartI != EndI) | ||||
1815 | ++StartI; | ||||
1816 | if (StartI == EndI || !DPred(StartI->Directive)) | ||||
1817 | return {}; | ||||
1818 | const_iterator NewI = StartI; | ||||
1819 | DSAVarData DVar = getDSA(NewI, D); | ||||
1820 | return (NewI == StartI && CPred(DVar.CKind, DVar.AppliedToPointee)) | ||||
1821 | ? DVar | ||||
1822 | : DSAVarData(); | ||||
1823 | } | ||||
1824 | |||||
1825 | bool DSAStackTy::hasExplicitDSA( | ||||
1826 | const ValueDecl *D, | ||||
1827 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||
1828 | unsigned Level, bool NotLastprivate) const { | ||||
1829 | if (getStackSize() <= Level) | ||||
1830 | return false; | ||||
1831 | D = getCanonicalDecl(D); | ||||
1832 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||
1833 | auto I = StackElem.SharingMap.find(D); | ||||
1834 | if (I != StackElem.SharingMap.end() && I->getSecond().RefExpr.getPointer() && | ||||
1835 | CPred(I->getSecond().Attributes, I->getSecond().AppliedToPointee) && | ||||
1836 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) | ||||
1837 | return true; | ||||
1838 | // Check predetermined rules for the loop control variables. | ||||
1839 | auto LI = StackElem.LCVMap.find(D); | ||||
1840 | if (LI != StackElem.LCVMap.end()) | ||||
1841 | return CPred(OMPC_private, /*AppliedToPointee=*/false); | ||||
1842 | return false; | ||||
1843 | } | ||||
1844 | |||||
1845 | bool DSAStackTy::hasExplicitDirective( | ||||
1846 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
1847 | unsigned Level) const { | ||||
1848 | if (getStackSize() <= Level) | ||||
1849 | return false; | ||||
1850 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||
1851 | return DPred(StackElem.Directive); | ||||
1852 | } | ||||
1853 | |||||
1854 | bool DSAStackTy::hasDirective( | ||||
1855 | const llvm::function_ref<bool(OpenMPDirectiveKind, | ||||
1856 | const DeclarationNameInfo &, SourceLocation)> | ||||
1857 | DPred, | ||||
1858 | bool FromParent) const { | ||||
1859 | // We look only in the enclosing region. | ||||
1860 | size_t Skip = FromParent ? 2 : 1; | ||||
1861 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); | ||||
1862 | I != E; ++I) { | ||||
1863 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) | ||||
1864 | return true; | ||||
1865 | } | ||||
1866 | return false; | ||||
1867 | } | ||||
1868 | |||||
1869 | void Sema::InitDataSharingAttributesStack() { | ||||
1870 | VarDataSharingAttributesStack = new DSAStackTy(*this); | ||||
1871 | } | ||||
1872 | |||||
1873 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) | ||||
1874 | |||||
1875 | void Sema::pushOpenMPFunctionRegion() { | ||||
1876 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); | ||||
1877 | } | ||||
1878 | |||||
1879 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { | ||||
1880 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); | ||||
1881 | } | ||||
1882 | |||||
1883 | static bool isOpenMPDeviceDelayedContext(Sema &S) { | ||||
1884 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1885, __PRETTY_FUNCTION__)) | ||||
1885 | "Expected OpenMP device compilation.")((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1885, __PRETTY_FUNCTION__)); | ||||
1886 | return !S.isInOpenMPTargetExecutionDirective() && | ||||
1887 | !S.isInOpenMPDeclareTargetContext(); | ||||
1888 | } | ||||
1889 | |||||
1890 | namespace { | ||||
1891 | /// Status of the function emission on the host/device. | ||||
1892 | enum class FunctionEmissionStatus { | ||||
1893 | Emitted, | ||||
1894 | Discarded, | ||||
1895 | Unknown, | ||||
1896 | }; | ||||
1897 | } // anonymous namespace | ||||
1898 | |||||
1899 | Sema::DeviceDiagBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, | ||||
1900 | unsigned DiagID) { | ||||
1901 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1902, __PRETTY_FUNCTION__)) | ||||
1902 | "Expected OpenMP device compilation.")((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1902, __PRETTY_FUNCTION__)); | ||||
1903 | |||||
1904 | FunctionDecl *FD = getCurFunctionDecl(); | ||||
1905 | DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop; | ||||
1906 | if (FD) { | ||||
1907 | FunctionEmissionStatus FES = getEmissionStatus(FD); | ||||
1908 | switch (FES) { | ||||
1909 | case FunctionEmissionStatus::Emitted: | ||||
1910 | Kind = DeviceDiagBuilder::K_Immediate; | ||||
1911 | break; | ||||
1912 | case FunctionEmissionStatus::Unknown: | ||||
1913 | Kind = isOpenMPDeviceDelayedContext(*this) | ||||
1914 | ? DeviceDiagBuilder::K_Deferred | ||||
1915 | : DeviceDiagBuilder::K_Immediate; | ||||
1916 | break; | ||||
1917 | case FunctionEmissionStatus::TemplateDiscarded: | ||||
1918 | case FunctionEmissionStatus::OMPDiscarded: | ||||
1919 | Kind = DeviceDiagBuilder::K_Nop; | ||||
1920 | break; | ||||
1921 | case FunctionEmissionStatus::CUDADiscarded: | ||||
1922 | llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation")::llvm::llvm_unreachable_internal("CUDADiscarded unexpected in OpenMP device compilation" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1922); | ||||
1923 | break; | ||||
1924 | } | ||||
1925 | } | ||||
1926 | |||||
1927 | return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this); | ||||
1928 | } | ||||
1929 | |||||
1930 | Sema::DeviceDiagBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, | ||||
1931 | unsigned DiagID) { | ||||
1932 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1933, __PRETTY_FUNCTION__)) | ||||
1933 | "Expected OpenMP host compilation.")((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1933, __PRETTY_FUNCTION__)); | ||||
1934 | FunctionEmissionStatus FES = getEmissionStatus(getCurFunctionDecl()); | ||||
1935 | DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop; | ||||
1936 | switch (FES) { | ||||
1937 | case FunctionEmissionStatus::Emitted: | ||||
1938 | Kind = DeviceDiagBuilder::K_Immediate; | ||||
1939 | break; | ||||
1940 | case FunctionEmissionStatus::Unknown: | ||||
1941 | Kind = DeviceDiagBuilder::K_Deferred; | ||||
1942 | break; | ||||
1943 | case FunctionEmissionStatus::TemplateDiscarded: | ||||
1944 | case FunctionEmissionStatus::OMPDiscarded: | ||||
1945 | case FunctionEmissionStatus::CUDADiscarded: | ||||
1946 | Kind = DeviceDiagBuilder::K_Nop; | ||||
1947 | break; | ||||
1948 | } | ||||
1949 | |||||
1950 | return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this); | ||||
1951 | } | ||||
1952 | |||||
1953 | static OpenMPDefaultmapClauseKind | ||||
1954 | getVariableCategoryFromDecl(const LangOptions &LO, const ValueDecl *VD) { | ||||
1955 | if (LO.OpenMP <= 45) { | ||||
1956 | if (VD->getType().getNonReferenceType()->isScalarType()) | ||||
1957 | return OMPC_DEFAULTMAP_scalar; | ||||
1958 | return OMPC_DEFAULTMAP_aggregate; | ||||
1959 | } | ||||
1960 | if (VD->getType().getNonReferenceType()->isAnyPointerType()) | ||||
1961 | return OMPC_DEFAULTMAP_pointer; | ||||
1962 | if (VD->getType().getNonReferenceType()->isScalarType()) | ||||
1963 | return OMPC_DEFAULTMAP_scalar; | ||||
1964 | return OMPC_DEFAULTMAP_aggregate; | ||||
1965 | } | ||||
1966 | |||||
1967 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, | ||||
1968 | unsigned OpenMPCaptureLevel) const { | ||||
1969 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 1969, __PRETTY_FUNCTION__)); | ||||
1970 | |||||
1971 | ASTContext &Ctx = getASTContext(); | ||||
1972 | bool IsByRef = true; | ||||
1973 | |||||
1974 | // Find the directive that is associated with the provided scope. | ||||
1975 | D = cast<ValueDecl>(D->getCanonicalDecl()); | ||||
1976 | QualType Ty = D->getType(); | ||||
1977 | |||||
1978 | bool IsVariableUsedInMapClause = false; | ||||
1979 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { | ||||
1980 | // This table summarizes how a given variable should be passed to the device | ||||
1981 | // given its type and the clauses where it appears. This table is based on | ||||
1982 | // the description in OpenMP 4.5 [2.10.4, target Construct] and | ||||
1983 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. | ||||
1984 | // | ||||
1985 | // ========================================================================= | ||||
1986 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | | ||||
1987 | // | |(tofrom:scalar)| | pvt | | | | | ||||
1988 | // ========================================================================= | ||||
1989 | // | scl | | | | - | | bycopy| | ||||
1990 | // | scl | | - | x | - | - | bycopy| | ||||
1991 | // | scl | | x | - | - | - | null | | ||||
1992 | // | scl | x | | | - | | byref | | ||||
1993 | // | scl | x | - | x | - | - | bycopy| | ||||
1994 | // | scl | x | x | - | - | - | null | | ||||
1995 | // | scl | | - | - | - | x | byref | | ||||
1996 | // | scl | x | - | - | - | x | byref | | ||||
1997 | // | ||||
1998 | // | agg | n.a. | | | - | | byref | | ||||
1999 | // | agg | n.a. | - | x | - | - | byref | | ||||
2000 | // | agg | n.a. | x | - | - | - | null | | ||||
2001 | // | agg | n.a. | - | - | - | x | byref | | ||||
2002 | // | agg | n.a. | - | - | - | x[] | byref | | ||||
2003 | // | ||||
2004 | // | ptr | n.a. | | | - | | bycopy| | ||||
2005 | // | ptr | n.a. | - | x | - | - | bycopy| | ||||
2006 | // | ptr | n.a. | x | - | - | - | null | | ||||
2007 | // | ptr | n.a. | - | - | - | x | byref | | ||||
2008 | // | ptr | n.a. | - | - | - | x[] | bycopy| | ||||
2009 | // | ptr | n.a. | - | - | x | | bycopy| | ||||
2010 | // | ptr | n.a. | - | - | x | x | bycopy| | ||||
2011 | // | ptr | n.a. | - | - | x | x[] | bycopy| | ||||
2012 | // ========================================================================= | ||||
2013 | // Legend: | ||||
2014 | // scl - scalar | ||||
2015 | // ptr - pointer | ||||
2016 | // agg - aggregate | ||||
2017 | // x - applies | ||||
2018 | // - - invalid in this combination | ||||
2019 | // [] - mapped with an array section | ||||
2020 | // byref - should be mapped by reference | ||||
2021 | // byval - should be mapped by value | ||||
2022 | // null - initialize a local variable to null on the device | ||||
2023 | // | ||||
2024 | // Observations: | ||||
2025 | // - All scalar declarations that show up in a map clause have to be passed | ||||
2026 | // by reference, because they may have been mapped in the enclosing data | ||||
2027 | // environment. | ||||
2028 | // - If the scalar value does not fit the size of uintptr, it has to be | ||||
2029 | // passed by reference, regardless the result in the table above. | ||||
2030 | // - For pointers mapped by value that have either an implicit map or an | ||||
2031 | // array section, the runtime library may pass the NULL value to the | ||||
2032 | // device instead of the value passed to it by the compiler. | ||||
2033 | |||||
2034 | if (Ty->isReferenceType()) | ||||
2035 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); | ||||
2036 | |||||
2037 | // Locate map clauses and see if the variable being captured is referred to | ||||
2038 | // in any of those clauses. Here we only care about variables, not fields, | ||||
2039 | // because fields are part of aggregates. | ||||
2040 | bool IsVariableAssociatedWithSection = false; | ||||
2041 | |||||
2042 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | ||||
2043 | D, Level, | ||||
2044 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, D]( | ||||
2045 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
2046 | MapExprComponents, | ||||
2047 | OpenMPClauseKind WhereFoundClauseKind) { | ||||
2048 | // Only the map clause information influences how a variable is | ||||
2049 | // captured. E.g. is_device_ptr does not require changing the default | ||||
2050 | // behavior. | ||||
2051 | if (WhereFoundClauseKind != OMPC_map) | ||||
2052 | return false; | ||||
2053 | |||||
2054 | auto EI = MapExprComponents.rbegin(); | ||||
2055 | auto EE = MapExprComponents.rend(); | ||||
2056 | |||||
2057 | assert(EI != EE && "Invalid map expression!")((EI != EE && "Invalid map expression!") ? static_cast <void> (0) : __assert_fail ("EI != EE && \"Invalid map expression!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2057, __PRETTY_FUNCTION__)); | ||||
2058 | |||||
2059 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) | ||||
2060 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; | ||||
2061 | |||||
2062 | ++EI; | ||||
2063 | if (EI == EE) | ||||
2064 | return false; | ||||
2065 | |||||
2066 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || | ||||
2067 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || | ||||
2068 | isa<MemberExpr>(EI->getAssociatedExpression()) || | ||||
2069 | isa<OMPArrayShapingExpr>(EI->getAssociatedExpression())) { | ||||
2070 | IsVariableAssociatedWithSection = true; | ||||
2071 | // There is nothing more we need to know about this variable. | ||||
2072 | return true; | ||||
2073 | } | ||||
2074 | |||||
2075 | // Keep looking for more map info. | ||||
2076 | return false; | ||||
2077 | }); | ||||
2078 | |||||
2079 | if (IsVariableUsedInMapClause) { | ||||
2080 | // If variable is identified in a map clause it is always captured by | ||||
2081 | // reference except if it is a pointer that is dereferenced somehow. | ||||
2082 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); | ||||
2083 | } else { | ||||
2084 | // By default, all the data that has a scalar type is mapped by copy | ||||
2085 | // (except for reduction variables). | ||||
2086 | // Defaultmap scalar is mutual exclusive to defaultmap pointer | ||||
2087 | IsByRef = (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && | ||||
2088 | !Ty->isAnyPointerType()) || | ||||
2089 | !Ty->isScalarType() || | ||||
2090 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isDefaultmapCapturedByRef( | ||||
2091 | Level, getVariableCategoryFromDecl(LangOpts, D)) || | ||||
2092 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2093 | D, | ||||
2094 | [](OpenMPClauseKind K, bool AppliedToPointee) { | ||||
2095 | return K == OMPC_reduction && !AppliedToPointee; | ||||
2096 | }, | ||||
2097 | Level); | ||||
2098 | } | ||||
2099 | } | ||||
2100 | |||||
2101 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { | ||||
2102 | IsByRef = | ||||
2103 | ((IsVariableUsedInMapClause && | ||||
2104 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == | ||||
2105 | OMPD_target) || | ||||
2106 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2107 | D, | ||||
2108 | [](OpenMPClauseKind K, bool AppliedToPointee) -> bool { | ||||
2109 | return K == OMPC_firstprivate || | ||||
2110 | (K == OMPC_reduction && AppliedToPointee); | ||||
2111 | }, | ||||
2112 | Level, /*NotLastprivate=*/true) || | ||||
2113 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D))) && | ||||
2114 | // If the variable is artificial and must be captured by value - try to | ||||
2115 | // capture by value. | ||||
2116 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && | ||||
2117 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()) && | ||||
2118 | // If the variable is implicitly firstprivate and scalar - capture by | ||||
2119 | // copy | ||||
2120 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate && | ||||
2121 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2122 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_unknown; }, | ||||
2123 | Level) && | ||||
2124 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first); | ||||
2125 | } | ||||
2126 | |||||
2127 | // When passing data by copy, we need to make sure it fits the uintptr size | ||||
2128 | // and alignment, because the runtime library only deals with uintptr types. | ||||
2129 | // If it does not fit the uintptr size, we need to pass the data by reference | ||||
2130 | // instead. | ||||
2131 | if (!IsByRef && | ||||
2132 | (Ctx.getTypeSizeInChars(Ty) > | ||||
2133 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || | ||||
2134 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { | ||||
2135 | IsByRef = true; | ||||
2136 | } | ||||
2137 | |||||
2138 | return IsByRef; | ||||
2139 | } | ||||
2140 | |||||
2141 | unsigned Sema::getOpenMPNestingLevel() const { | ||||
2142 | assert(getLangOpts().OpenMP)((getLangOpts().OpenMP) ? static_cast<void> (0) : __assert_fail ("getLangOpts().OpenMP", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2142, __PRETTY_FUNCTION__)); | ||||
2143 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); | ||||
2144 | } | ||||
2145 | |||||
2146 | bool Sema::isInOpenMPTargetExecutionDirective() const { | ||||
2147 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||
2148 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || | ||||
2149 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( | ||||
2150 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, | ||||
2151 | SourceLocation) -> bool { | ||||
2152 | return isOpenMPTargetExecutionDirective(K); | ||||
2153 | }, | ||||
2154 | false); | ||||
2155 | } | ||||
2156 | |||||
2157 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, | ||||
2158 | unsigned StopAt) { | ||||
2159 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2159, __PRETTY_FUNCTION__)); | ||||
2160 | D = getCanonicalDecl(D); | ||||
2161 | |||||
2162 | auto *VD = dyn_cast<VarDecl>(D); | ||||
2163 | // Do not capture constexpr variables. | ||||
2164 | if (VD && VD->isConstexpr()) | ||||
2165 | return nullptr; | ||||
2166 | |||||
2167 | // If we want to determine whether the variable should be captured from the | ||||
2168 | // perspective of the current capturing scope, and we've already left all the | ||||
2169 | // capturing scopes of the top directive on the stack, check from the | ||||
2170 | // perspective of its parent directive (if any) instead. | ||||
2171 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( | ||||
2172 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isBodyComplete()); | ||||
2173 | |||||
2174 | // If we are attempting to capture a global variable in a directive with | ||||
2175 | // 'target' we return true so that this global is also mapped to the device. | ||||
2176 | // | ||||
2177 | if (VD && !VD->hasLocalStorage() && | ||||
2178 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { | ||||
2179 | if (isInOpenMPDeclareTargetContext()) { | ||||
2180 | // Try to mark variable as declare target if it is used in capturing | ||||
2181 | // regions. | ||||
2182 | if (LangOpts.OpenMP <= 45 && | ||||
2183 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | ||||
2184 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); | ||||
2185 | return nullptr; | ||||
2186 | } | ||||
2187 | if (isInOpenMPTargetExecutionDirective()) { | ||||
2188 | // If the declaration is enclosed in a 'declare target' directive, | ||||
2189 | // then it should not be captured. | ||||
2190 | // | ||||
2191 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | ||||
2192 | return nullptr; | ||||
2193 | CapturedRegionScopeInfo *CSI = nullptr; | ||||
2194 | for (FunctionScopeInfo *FSI : llvm::drop_begin( | ||||
2195 | llvm::reverse(FunctionScopes), | ||||
2196 | CheckScopeInfo ? (FunctionScopes.size() - (StopAt + 1)) : 0)) { | ||||
2197 | if (!isa<CapturingScopeInfo>(FSI)) | ||||
2198 | return nullptr; | ||||
2199 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | ||||
2200 | if (RSI->CapRegionKind == CR_OpenMP) { | ||||
2201 | CSI = RSI; | ||||
2202 | break; | ||||
2203 | } | ||||
2204 | } | ||||
2205 | assert(CSI && "Failed to find CapturedRegionScopeInfo")((CSI && "Failed to find CapturedRegionScopeInfo") ? static_cast <void> (0) : __assert_fail ("CSI && \"Failed to find CapturedRegionScopeInfo\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2205, __PRETTY_FUNCTION__)); | ||||
2206 | SmallVector<OpenMPDirectiveKind, 4> Regions; | ||||
2207 | getOpenMPCaptureRegions(Regions, | ||||
2208 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(CSI->OpenMPLevel)); | ||||
2209 | if (Regions[CSI->OpenMPCaptureLevel] != OMPD_task) | ||||
2210 | return VD; | ||||
2211 | } | ||||
2212 | } | ||||
2213 | |||||
2214 | if (CheckScopeInfo) { | ||||
2215 | bool OpenMPFound = false; | ||||
2216 | for (unsigned I = StopAt + 1; I > 0; --I) { | ||||
2217 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; | ||||
2218 | if(!isa<CapturingScopeInfo>(FSI)) | ||||
2219 | return nullptr; | ||||
2220 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | ||||
2221 | if (RSI->CapRegionKind == CR_OpenMP) { | ||||
2222 | OpenMPFound = true; | ||||
2223 | break; | ||||
2224 | } | ||||
2225 | } | ||||
2226 | if (!OpenMPFound) | ||||
2227 | return nullptr; | ||||
2228 | } | ||||
2229 | |||||
2230 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && | ||||
2231 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || | ||||
2232 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { | ||||
2233 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); | ||||
2234 | if (Info.first || | ||||
2235 | (VD && VD->hasLocalStorage() && | ||||
2236 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || | ||||
2237 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) | ||||
2238 | return VD ? VD : Info.second; | ||||
2239 | DSAStackTy::DSAVarData DVarTop = | ||||
2240 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | ||||
2241 | if (DVarTop.CKind != OMPC_unknown && isOpenMPPrivate(DVarTop.CKind) && | ||||
2242 | (!VD || VD->hasLocalStorage() || !DVarTop.AppliedToPointee)) | ||||
2243 | return VD ? VD : cast<VarDecl>(DVarTop.PrivateCopy->getDecl()); | ||||
2244 | // Threadprivate variables must not be captured. | ||||
2245 | if (isOpenMPThreadPrivate(DVarTop.CKind)) | ||||
2246 | return nullptr; | ||||
2247 | // The variable is not private or it is the variable in the directive with | ||||
2248 | // default(none) clause and not used in any clause. | ||||
2249 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( | ||||
2250 | D, | ||||
2251 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||
2252 | return isOpenMPPrivate(C) && !AppliedToPointee; | ||||
2253 | }, | ||||
2254 | [](OpenMPDirectiveKind) { return true; }, | ||||
2255 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | ||||
2256 | // Global shared must not be captured. | ||||
2257 | if (VD && !VD->hasLocalStorage() && DVarPrivate.CKind == OMPC_unknown && | ||||
2258 | ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_none && | ||||
2259 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_firstprivate) || | ||||
2260 | DVarTop.CKind == OMPC_shared)) | ||||
2261 | return nullptr; | ||||
2262 | if (DVarPrivate.CKind != OMPC_unknown || | ||||
2263 | (VD && (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | ||||
2264 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate))) | ||||
2265 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | ||||
2266 | } | ||||
2267 | return nullptr; | ||||
2268 | } | ||||
2269 | |||||
2270 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, | ||||
2271 | unsigned Level) const { | ||||
2272 | FunctionScopesIndex -= getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||
2273 | } | ||||
2274 | |||||
2275 | void Sema::startOpenMPLoop() { | ||||
2276 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((LangOpts.OpenMP && "OpenMP must be enabled.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP must be enabled.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2276, __PRETTY_FUNCTION__)); | ||||
2277 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | ||||
2278 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); | ||||
2279 | } | ||||
2280 | |||||
2281 | void Sema::startOpenMPCXXRangeFor() { | ||||
2282 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((LangOpts.OpenMP && "OpenMP must be enabled.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP must be enabled.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2282, __PRETTY_FUNCTION__)); | ||||
2283 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
2284 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | ||||
2285 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||
2286 | } | ||||
2287 | } | ||||
2288 | |||||
2289 | OpenMPClauseKind Sema::isOpenMPPrivateDecl(ValueDecl *D, unsigned Level, | ||||
2290 | unsigned CapLevel) const { | ||||
2291 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2291, __PRETTY_FUNCTION__)); | ||||
2292 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | ||||
2293 | [](OpenMPDirectiveKind K) { return isOpenMPTaskingDirective(K); }, | ||||
2294 | Level)) { | ||||
2295 | bool IsTriviallyCopyable = | ||||
2296 | D->getType().getNonReferenceType().isTriviallyCopyableType(Context) && | ||||
2297 | !D->getType() | ||||
2298 | .getNonReferenceType() | ||||
2299 | .getCanonicalType() | ||||
2300 | ->getAsCXXRecordDecl(); | ||||
2301 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level); | ||||
2302 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
2303 | getOpenMPCaptureRegions(CaptureRegions, DKind); | ||||
2304 | if (isOpenMPTaskingDirective(CaptureRegions[CapLevel]) && | ||||
2305 | (IsTriviallyCopyable || | ||||
2306 | !isOpenMPTaskLoopDirective(CaptureRegions[CapLevel]))) { | ||||
2307 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2308 | D, | ||||
2309 | [](OpenMPClauseKind K, bool) { return K == OMPC_firstprivate; }, | ||||
2310 | Level, /*NotLastprivate=*/true)) | ||||
2311 | return OMPC_firstprivate; | ||||
2312 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); | ||||
2313 | if (DVar.CKind != OMPC_shared && | ||||
2314 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first && !DVar.RefExpr) { | ||||
2315 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addImplicitTaskFirstprivate(Level, D); | ||||
2316 | return OMPC_firstprivate; | ||||
2317 | } | ||||
2318 | } | ||||
2319 | } | ||||
2320 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
2321 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && | ||||
2322 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { | ||||
2323 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); | ||||
2324 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||
2325 | return OMPC_private; | ||||
2326 | } | ||||
2327 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || | ||||
2328 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && | ||||
2329 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2330 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_private; }, | ||||
2331 | Level) && | ||||
2332 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | ||||
2333 | return OMPC_private; | ||||
2334 | } | ||||
2335 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | ||||
2336 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && | ||||
2337 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && | ||||
2338 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2339 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_copyin; }, | ||||
2340 | Level)) | ||||
2341 | return OMPC_private; | ||||
2342 | } | ||||
2343 | // User-defined allocators are private since they must be defined in the | ||||
2344 | // context of target region. | ||||
2345 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level) && | ||||
2346 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D).getValueOr( | ||||
2347 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == | ||||
2348 | DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator) | ||||
2349 | return OMPC_private; | ||||
2350 | return (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2351 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_private; }, | ||||
2352 | Level) || | ||||
2353 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && | ||||
2354 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || | ||||
2355 | // Consider taskgroup reduction descriptor variable a private | ||||
2356 | // to avoid possible capture in the region. | ||||
2357 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | ||||
2358 | [](OpenMPDirectiveKind K) { | ||||
2359 | return K == OMPD_taskgroup || | ||||
2360 | ((isOpenMPParallelDirective(K) || | ||||
2361 | isOpenMPWorksharingDirective(K)) && | ||||
2362 | !isOpenMPSimdDirective(K)); | ||||
2363 | }, | ||||
2364 | Level) && | ||||
2365 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level))) | ||||
2366 | ? OMPC_private | ||||
2367 | : OMPC_unknown; | ||||
2368 | } | ||||
2369 | |||||
2370 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, | ||||
2371 | unsigned Level) { | ||||
2372 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2372, __PRETTY_FUNCTION__)); | ||||
2373 | D = getCanonicalDecl(D); | ||||
2374 | OpenMPClauseKind OMPC = OMPC_unknown; | ||||
2375 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { | ||||
2376 | const unsigned NewLevel = I - 1; | ||||
2377 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2378 | D, | ||||
2379 | [&OMPC](const OpenMPClauseKind K, bool AppliedToPointee) { | ||||
2380 | if (isOpenMPPrivate(K) && !AppliedToPointee) { | ||||
2381 | OMPC = K; | ||||
2382 | return true; | ||||
2383 | } | ||||
2384 | return false; | ||||
2385 | }, | ||||
2386 | NewLevel)) | ||||
2387 | break; | ||||
2388 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | ||||
2389 | D, NewLevel, | ||||
2390 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
2391 | OpenMPClauseKind) { return true; })) { | ||||
2392 | OMPC = OMPC_map; | ||||
2393 | break; | ||||
2394 | } | ||||
2395 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | ||||
2396 | NewLevel)) { | ||||
2397 | OMPC = OMPC_map; | ||||
2398 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->mustBeFirstprivateAtLevel( | ||||
2399 | NewLevel, getVariableCategoryFromDecl(LangOpts, D))) | ||||
2400 | OMPC = OMPC_firstprivate; | ||||
2401 | break; | ||||
2402 | } | ||||
2403 | } | ||||
2404 | if (OMPC != OMPC_unknown) | ||||
2405 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, unsigned(OMPC))); | ||||
2406 | } | ||||
2407 | |||||
2408 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, | ||||
2409 | unsigned CaptureLevel) const { | ||||
2410 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2410, __PRETTY_FUNCTION__)); | ||||
2411 | // Return true if the current level is no longer enclosed in a target region. | ||||
2412 | |||||
2413 | SmallVector<OpenMPDirectiveKind, 4> Regions; | ||||
2414 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||
2415 | const auto *VD = dyn_cast<VarDecl>(D); | ||||
2416 | return VD && !VD->hasLocalStorage() && | ||||
2417 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | ||||
2418 | Level) && | ||||
2419 | Regions[CaptureLevel] != OMPD_task; | ||||
2420 | } | ||||
2421 | |||||
2422 | bool Sema::isOpenMPGlobalCapturedDecl(ValueDecl *D, unsigned Level, | ||||
2423 | unsigned CaptureLevel) const { | ||||
2424 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2424, __PRETTY_FUNCTION__)); | ||||
2425 | // Return true if the current level is no longer enclosed in a target region. | ||||
2426 | |||||
2427 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | ||||
2428 | if (!VD->hasLocalStorage()) { | ||||
2429 | if (isInOpenMPTargetExecutionDirective()) | ||||
2430 | return true; | ||||
2431 | DSAStackTy::DSAVarData TopDVar = | ||||
2432 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
2433 | unsigned NumLevels = | ||||
2434 | getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||
2435 | if (Level == 0) | ||||
2436 | return (NumLevels == CaptureLevel + 1) && TopDVar.CKind != OMPC_shared; | ||||
2437 | do { | ||||
2438 | --Level; | ||||
2439 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); | ||||
2440 | if (DVar.CKind != OMPC_shared) | ||||
2441 | return true; | ||||
2442 | } while (Level > 0); | ||||
2443 | } | ||||
2444 | } | ||||
2445 | return true; | ||||
2446 | } | ||||
2447 | |||||
2448 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } | ||||
2449 | |||||
2450 | void Sema::ActOnOpenMPBeginDeclareVariant(SourceLocation Loc, | ||||
2451 | OMPTraitInfo &TI) { | ||||
2452 | OMPDeclareVariantScopes.push_back(OMPDeclareVariantScope(TI)); | ||||
2453 | } | ||||
2454 | |||||
2455 | void Sema::ActOnOpenMPEndDeclareVariant() { | ||||
2456 | assert(isInOpenMPDeclareVariantScope() &&((isInOpenMPDeclareVariantScope() && "Not in OpenMP declare variant scope!" ) ? static_cast<void> (0) : __assert_fail ("isInOpenMPDeclareVariantScope() && \"Not in OpenMP declare variant scope!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2457, __PRETTY_FUNCTION__)) | ||||
2457 | "Not in OpenMP declare variant scope!")((isInOpenMPDeclareVariantScope() && "Not in OpenMP declare variant scope!" ) ? static_cast<void> (0) : __assert_fail ("isInOpenMPDeclareVariantScope() && \"Not in OpenMP declare variant scope!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2457, __PRETTY_FUNCTION__)); | ||||
2458 | |||||
2459 | OMPDeclareVariantScopes.pop_back(); | ||||
2460 | } | ||||
2461 | |||||
2462 | void Sema::finalizeOpenMPDelayedAnalysis(const FunctionDecl *Caller, | ||||
2463 | const FunctionDecl *Callee, | ||||
2464 | SourceLocation Loc) { | ||||
2465 | assert(LangOpts.OpenMP && "Expected OpenMP compilation mode.")((LangOpts.OpenMP && "Expected OpenMP compilation mode." ) ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP compilation mode.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2465, __PRETTY_FUNCTION__)); | ||||
2466 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
2467 | OMPDeclareTargetDeclAttr::getDeviceType(Caller->getMostRecentDecl()); | ||||
2468 | // Ignore host functions during device analyzis. | ||||
2469 | if (LangOpts.OpenMPIsDevice && DevTy && | ||||
2470 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) | ||||
2471 | return; | ||||
2472 | // Ignore nohost functions during host analyzis. | ||||
2473 | if (!LangOpts.OpenMPIsDevice && DevTy && | ||||
2474 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | ||||
2475 | return; | ||||
2476 | const FunctionDecl *FD = Callee->getMostRecentDecl(); | ||||
2477 | DevTy = OMPDeclareTargetDeclAttr::getDeviceType(FD); | ||||
2478 | if (LangOpts.OpenMPIsDevice && DevTy && | ||||
2479 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { | ||||
2480 | // Diagnose host function called during device codegen. | ||||
2481 | StringRef HostDevTy = | ||||
2482 | getOpenMPSimpleClauseTypeName(OMPC_device_type, OMPC_DEVICE_TYPE_host); | ||||
2483 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; | ||||
2484 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), | ||||
2485 | diag::note_omp_marked_device_type_here) | ||||
2486 | << HostDevTy; | ||||
2487 | return; | ||||
2488 | } | ||||
2489 | if (!LangOpts.OpenMPIsDevice && DevTy && | ||||
2490 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { | ||||
2491 | // Diagnose nohost function called during host codegen. | ||||
2492 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( | ||||
2493 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); | ||||
2494 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; | ||||
2495 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), | ||||
2496 | diag::note_omp_marked_device_type_here) | ||||
2497 | << NoHostDevTy; | ||||
2498 | } | ||||
2499 | } | ||||
2500 | |||||
2501 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, | ||||
2502 | const DeclarationNameInfo &DirName, | ||||
2503 | Scope *CurScope, SourceLocation Loc) { | ||||
2504 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); | ||||
2505 | PushExpressionEvaluationContext( | ||||
2506 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
2507 | } | ||||
2508 | |||||
2509 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { | ||||
2510 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); | ||||
2511 | } | ||||
2512 | |||||
2513 | void Sema::EndOpenMPClause() { | ||||
2514 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); | ||||
2515 | } | ||||
2516 | |||||
2517 | static std::pair<ValueDecl *, bool> | ||||
2518 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, | ||||
2519 | SourceRange &ERange, bool AllowArraySection = false); | ||||
2520 | |||||
2521 | /// Check consistency of the reduction clauses. | ||||
2522 | static void checkReductionClauses(Sema &S, DSAStackTy *Stack, | ||||
2523 | ArrayRef<OMPClause *> Clauses) { | ||||
2524 | bool InscanFound = false; | ||||
2525 | SourceLocation InscanLoc; | ||||
2526 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions. | ||||
2527 | // A reduction clause without the inscan reduction-modifier may not appear on | ||||
2528 | // a construct on which a reduction clause with the inscan reduction-modifier | ||||
2529 | // appears. | ||||
2530 | for (OMPClause *C : Clauses) { | ||||
2531 | if (C->getClauseKind() != OMPC_reduction) | ||||
2532 | continue; | ||||
2533 | auto *RC = cast<OMPReductionClause>(C); | ||||
2534 | if (RC->getModifier() == OMPC_REDUCTION_inscan) { | ||||
2535 | InscanFound = true; | ||||
2536 | InscanLoc = RC->getModifierLoc(); | ||||
2537 | continue; | ||||
2538 | } | ||||
2539 | if (RC->getModifier() == OMPC_REDUCTION_task) { | ||||
2540 | // OpenMP 5.0, 2.19.5.4 reduction Clause. | ||||
2541 | // A reduction clause with the task reduction-modifier may only appear on | ||||
2542 | // a parallel construct, a worksharing construct or a combined or | ||||
2543 | // composite construct for which any of the aforementioned constructs is a | ||||
2544 | // constituent construct and simd or loop are not constituent constructs. | ||||
2545 | OpenMPDirectiveKind CurDir = Stack->getCurrentDirective(); | ||||
2546 | if (!(isOpenMPParallelDirective(CurDir) || | ||||
2547 | isOpenMPWorksharingDirective(CurDir)) || | ||||
2548 | isOpenMPSimdDirective(CurDir)) | ||||
2549 | S.Diag(RC->getModifierLoc(), | ||||
2550 | diag::err_omp_reduction_task_not_parallel_or_worksharing); | ||||
2551 | continue; | ||||
2552 | } | ||||
2553 | } | ||||
2554 | if (InscanFound) { | ||||
2555 | for (OMPClause *C : Clauses) { | ||||
2556 | if (C->getClauseKind() != OMPC_reduction) | ||||
2557 | continue; | ||||
2558 | auto *RC = cast<OMPReductionClause>(C); | ||||
2559 | if (RC->getModifier() != OMPC_REDUCTION_inscan) { | ||||
2560 | S.Diag(RC->getModifier() == OMPC_REDUCTION_unknown | ||||
2561 | ? RC->getBeginLoc() | ||||
2562 | : RC->getModifierLoc(), | ||||
2563 | diag::err_omp_inscan_reduction_expected); | ||||
2564 | S.Diag(InscanLoc, diag::note_omp_previous_inscan_reduction); | ||||
2565 | continue; | ||||
2566 | } | ||||
2567 | for (Expr *Ref : RC->varlists()) { | ||||
2568 | assert(Ref && "NULL expr in OpenMP nontemporal clause.")((Ref && "NULL expr in OpenMP nontemporal clause.") ? static_cast<void> (0) : __assert_fail ("Ref && \"NULL expr in OpenMP nontemporal clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2568, __PRETTY_FUNCTION__)); | ||||
2569 | SourceLocation ELoc; | ||||
2570 | SourceRange ERange; | ||||
2571 | Expr *SimpleRefExpr = Ref; | ||||
2572 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||
2573 | /*AllowArraySection=*/true); | ||||
2574 | ValueDecl *D = Res.first; | ||||
2575 | if (!D) | ||||
2576 | continue; | ||||
2577 | if (!Stack->isUsedInScanDirective(getCanonicalDecl(D))) { | ||||
2578 | S.Diag(Ref->getExprLoc(), | ||||
2579 | diag::err_omp_reduction_not_inclusive_exclusive) | ||||
2580 | << Ref->getSourceRange(); | ||||
2581 | } | ||||
2582 | } | ||||
2583 | } | ||||
2584 | } | ||||
2585 | } | ||||
2586 | |||||
2587 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | ||||
2588 | ArrayRef<OMPClause *> Clauses); | ||||
2589 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | ||||
2590 | bool WithInit); | ||||
2591 | |||||
2592 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | ||||
2593 | const ValueDecl *D, | ||||
2594 | const DSAStackTy::DSAVarData &DVar, | ||||
2595 | bool IsLoopIterVar = false); | ||||
2596 | |||||
2597 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { | ||||
2598 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] | ||||
2599 | // A variable of class type (or array thereof) that appears in a lastprivate | ||||
2600 | // clause requires an accessible, unambiguous default constructor for the | ||||
2601 | // class type, unless the list item is also specified in a firstprivate | ||||
2602 | // clause. | ||||
2603 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { | ||||
2604 | for (OMPClause *C : D->clauses()) { | ||||
2605 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { | ||||
2606 | SmallVector<Expr *, 8> PrivateCopies; | ||||
2607 | for (Expr *DE : Clause->varlists()) { | ||||
2608 | if (DE->isValueDependent() || DE->isTypeDependent()) { | ||||
2609 | PrivateCopies.push_back(nullptr); | ||||
2610 | continue; | ||||
2611 | } | ||||
2612 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); | ||||
2613 | auto *VD = cast<VarDecl>(DRE->getDecl()); | ||||
2614 | QualType Type = VD->getType().getNonReferenceType(); | ||||
2615 | const DSAStackTy::DSAVarData DVar = | ||||
2616 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | ||||
2617 | if (DVar.CKind == OMPC_lastprivate) { | ||||
2618 | // Generate helper private variable and initialize it with the | ||||
2619 | // default value. The address of the original variable is replaced | ||||
2620 | // by the address of the new private variable in CodeGen. This new | ||||
2621 | // variable is not added to IdResolver, so the code in the OpenMP | ||||
2622 | // region uses original variable for proper diagnostics. | ||||
2623 | VarDecl *VDPrivate = buildVarDecl( | ||||
2624 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), | ||||
2625 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); | ||||
2626 | ActOnUninitializedDecl(VDPrivate); | ||||
2627 | if (VDPrivate->isInvalidDecl()) { | ||||
2628 | PrivateCopies.push_back(nullptr); | ||||
2629 | continue; | ||||
2630 | } | ||||
2631 | PrivateCopies.push_back(buildDeclRefExpr( | ||||
2632 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); | ||||
2633 | } else { | ||||
2634 | // The variable is also a firstprivate, so initialization sequence | ||||
2635 | // for private copy is generated already. | ||||
2636 | PrivateCopies.push_back(nullptr); | ||||
2637 | } | ||||
2638 | } | ||||
2639 | Clause->setPrivateCopies(PrivateCopies); | ||||
2640 | continue; | ||||
2641 | } | ||||
2642 | // Finalize nontemporal clause by handling private copies, if any. | ||||
2643 | if (auto *Clause = dyn_cast<OMPNontemporalClause>(C)) { | ||||
2644 | SmallVector<Expr *, 8> PrivateRefs; | ||||
2645 | for (Expr *RefExpr : Clause->varlists()) { | ||||
2646 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 2646, __PRETTY_FUNCTION__)); | ||||
2647 | SourceLocation ELoc; | ||||
2648 | SourceRange ERange; | ||||
2649 | Expr *SimpleRefExpr = RefExpr; | ||||
2650 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
2651 | if (Res.second) | ||||
2652 | // It will be analyzed later. | ||||
2653 | PrivateRefs.push_back(RefExpr); | ||||
2654 | ValueDecl *D = Res.first; | ||||
2655 | if (!D) | ||||
2656 | continue; | ||||
2657 | |||||
2658 | const DSAStackTy::DSAVarData DVar = | ||||
2659 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
2660 | PrivateRefs.push_back(DVar.PrivateCopy ? DVar.PrivateCopy | ||||
2661 | : SimpleRefExpr); | ||||
2662 | } | ||||
2663 | Clause->setPrivateRefs(PrivateRefs); | ||||
2664 | continue; | ||||
2665 | } | ||||
2666 | if (auto *Clause = dyn_cast<OMPUsesAllocatorsClause>(C)) { | ||||
2667 | for (unsigned I = 0, E = Clause->getNumberOfAllocators(); I < E; ++I) { | ||||
2668 | OMPUsesAllocatorsClause::Data D = Clause->getAllocatorData(I); | ||||
2669 | auto *DRE = dyn_cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()); | ||||
2670 | if (!DRE) | ||||
2671 | continue; | ||||
2672 | ValueDecl *VD = DRE->getDecl(); | ||||
2673 | if (!VD || !isa<VarDecl>(VD)) | ||||
2674 | continue; | ||||
2675 | DSAStackTy::DSAVarData DVar = | ||||
2676 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | ||||
2677 | // OpenMP [2.12.5, target Construct] | ||||
2678 | // Memory allocators that appear in a uses_allocators clause cannot | ||||
2679 | // appear in other data-sharing attribute clauses or data-mapping | ||||
2680 | // attribute clauses in the same construct. | ||||
2681 | Expr *MapExpr = nullptr; | ||||
2682 | if (DVar.RefExpr || | ||||
2683 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||
2684 | VD, /*CurrentRegionOnly=*/true, | ||||
2685 | [VD, &MapExpr]( | ||||
2686 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
2687 | MapExprComponents, | ||||
2688 | OpenMPClauseKind C) { | ||||
2689 | auto MI = MapExprComponents.rbegin(); | ||||
2690 | auto ME = MapExprComponents.rend(); | ||||
2691 | if (MI != ME && | ||||
2692 | MI->getAssociatedDeclaration()->getCanonicalDecl() == | ||||
2693 | VD->getCanonicalDecl()) { | ||||
2694 | MapExpr = MI->getAssociatedExpression(); | ||||
2695 | return true; | ||||
2696 | } | ||||
2697 | return false; | ||||
2698 | })) { | ||||
2699 | Diag(D.Allocator->getExprLoc(), | ||||
2700 | diag::err_omp_allocator_used_in_clauses) | ||||
2701 | << D.Allocator->getSourceRange(); | ||||
2702 | if (DVar.RefExpr) | ||||
2703 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); | ||||
2704 | else | ||||
2705 | Diag(MapExpr->getExprLoc(), diag::note_used_here) | ||||
2706 | << MapExpr->getSourceRange(); | ||||
2707 | } | ||||
2708 | } | ||||
2709 | continue; | ||||
2710 | } | ||||
2711 | } | ||||
2712 | // Check allocate clauses. | ||||
2713 | if (!CurContext->isDependentContext()) | ||||
2714 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | ||||
2715 | checkReductionClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | ||||
2716 | } | ||||
2717 | |||||
2718 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); | ||||
2719 | DiscardCleanupsInEvaluationContext(); | ||||
2720 | PopExpressionEvaluationContext(); | ||||
2721 | } | ||||
2722 | |||||
2723 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | ||||
2724 | Expr *NumIterations, Sema &SemaRef, | ||||
2725 | Scope *S, DSAStackTy *Stack); | ||||
2726 | |||||
2727 | namespace { | ||||
2728 | |||||
2729 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { | ||||
2730 | private: | ||||
2731 | Sema &SemaRef; | ||||
2732 | |||||
2733 | public: | ||||
2734 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} | ||||
2735 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | ||||
2736 | NamedDecl *ND = Candidate.getCorrectionDecl(); | ||||
2737 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { | ||||
2738 | return VD->hasGlobalStorage() && | ||||
2739 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | ||||
2740 | SemaRef.getCurScope()); | ||||
2741 | } | ||||
2742 | return false; | ||||
2743 | } | ||||
2744 | |||||
2745 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | ||||
2746 | return std::make_unique<VarDeclFilterCCC>(*this); | ||||
2747 | } | ||||
2748 | |||||
2749 | }; | ||||
2750 | |||||
2751 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { | ||||
2752 | private: | ||||
2753 | Sema &SemaRef; | ||||
2754 | |||||
2755 | public: | ||||
2756 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} | ||||
2757 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | ||||
2758 | NamedDecl *ND = Candidate.getCorrectionDecl(); | ||||
2759 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || | ||||
2760 | isa<FunctionDecl>(ND))) { | ||||
2761 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | ||||
2762 | SemaRef.getCurScope()); | ||||
2763 | } | ||||
2764 | return false; | ||||
2765 | } | ||||
2766 | |||||
2767 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | ||||
2768 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); | ||||
2769 | } | ||||
2770 | }; | ||||
2771 | |||||
2772 | } // namespace | ||||
2773 | |||||
2774 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, | ||||
2775 | CXXScopeSpec &ScopeSpec, | ||||
2776 | const DeclarationNameInfo &Id, | ||||
2777 | OpenMPDirectiveKind Kind) { | ||||
2778 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | ||||
2779 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | ||||
2780 | |||||
2781 | if (Lookup.isAmbiguous()) | ||||
2782 | return ExprError(); | ||||
2783 | |||||
2784 | VarDecl *VD; | ||||
2785 | if (!Lookup.isSingleResult()) { | ||||
2786 | VarDeclFilterCCC CCC(*this); | ||||
2787 | if (TypoCorrection Corrected = | ||||
2788 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | ||||
2789 | CTK_ErrorRecovery)) { | ||||
2790 | diagnoseTypo(Corrected, | ||||
2791 | PDiag(Lookup.empty() | ||||
2792 | ? diag::err_undeclared_var_use_suggest | ||||
2793 | : diag::err_omp_expected_var_arg_suggest) | ||||
2794 | << Id.getName()); | ||||
2795 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); | ||||
2796 | } else { | ||||
2797 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use | ||||
2798 | : diag::err_omp_expected_var_arg) | ||||
2799 | << Id.getName(); | ||||
2800 | return ExprError(); | ||||
2801 | } | ||||
2802 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { | ||||
2803 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); | ||||
2804 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); | ||||
2805 | return ExprError(); | ||||
2806 | } | ||||
2807 | Lookup.suppressDiagnostics(); | ||||
2808 | |||||
2809 | // OpenMP [2.9.2, Syntax, C/C++] | ||||
2810 | // Variables must be file-scope, namespace-scope, or static block-scope. | ||||
2811 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { | ||||
2812 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) | ||||
2813 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); | ||||
2814 | bool IsDecl = | ||||
2815 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2816 | Diag(VD->getLocation(), | ||||
2817 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2818 | << VD; | ||||
2819 | return ExprError(); | ||||
2820 | } | ||||
2821 | |||||
2822 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); | ||||
2823 | NamedDecl *ND = CanonicalVD; | ||||
2824 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] | ||||
2825 | // A threadprivate directive for file-scope variables must appear outside | ||||
2826 | // any definition or declaration. | ||||
2827 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && | ||||
2828 | !getCurLexicalContext()->isTranslationUnit()) { | ||||
2829 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2830 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2831 | bool IsDecl = | ||||
2832 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2833 | Diag(VD->getLocation(), | ||||
2834 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2835 | << VD; | ||||
2836 | return ExprError(); | ||||
2837 | } | ||||
2838 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] | ||||
2839 | // A threadprivate directive for static class member variables must appear | ||||
2840 | // in the class definition, in the same scope in which the member | ||||
2841 | // variables are declared. | ||||
2842 | if (CanonicalVD->isStaticDataMember() && | ||||
2843 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { | ||||
2844 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2845 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2846 | bool IsDecl = | ||||
2847 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2848 | Diag(VD->getLocation(), | ||||
2849 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2850 | << VD; | ||||
2851 | return ExprError(); | ||||
2852 | } | ||||
2853 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] | ||||
2854 | // A threadprivate directive for namespace-scope variables must appear | ||||
2855 | // outside any definition or declaration other than the namespace | ||||
2856 | // definition itself. | ||||
2857 | if (CanonicalVD->getDeclContext()->isNamespace() && | ||||
2858 | (!getCurLexicalContext()->isFileContext() || | ||||
2859 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { | ||||
2860 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2861 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2862 | bool IsDecl = | ||||
2863 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2864 | Diag(VD->getLocation(), | ||||
2865 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2866 | << VD; | ||||
2867 | return ExprError(); | ||||
2868 | } | ||||
2869 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] | ||||
2870 | // A threadprivate directive for static block-scope variables must appear | ||||
2871 | // in the scope of the variable and not in a nested scope. | ||||
2872 | if (CanonicalVD->isLocalVarDecl() && CurScope && | ||||
2873 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { | ||||
2874 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2875 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2876 | bool IsDecl = | ||||
2877 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2878 | Diag(VD->getLocation(), | ||||
2879 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2880 | << VD; | ||||
2881 | return ExprError(); | ||||
2882 | } | ||||
2883 | |||||
2884 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] | ||||
2885 | // A threadprivate directive must lexically precede all references to any | ||||
2886 | // of the variables in its list. | ||||
2887 | if (Kind == OMPD_threadprivate && VD->isUsed() && | ||||
2888 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
2889 | Diag(Id.getLoc(), diag::err_omp_var_used) | ||||
2890 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2891 | return ExprError(); | ||||
2892 | } | ||||
2893 | |||||
2894 | QualType ExprType = VD->getType().getNonReferenceType(); | ||||
2895 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), | ||||
2896 | SourceLocation(), VD, | ||||
2897 | /*RefersToEnclosingVariableOrCapture=*/false, | ||||
2898 | Id.getLoc(), ExprType, VK_LValue); | ||||
2899 | } | ||||
2900 | |||||
2901 | Sema::DeclGroupPtrTy | ||||
2902 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, | ||||
2903 | ArrayRef<Expr *> VarList) { | ||||
2904 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { | ||||
2905 | CurContext->addDecl(D); | ||||
2906 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||
2907 | } | ||||
2908 | return nullptr; | ||||
2909 | } | ||||
2910 | |||||
2911 | namespace { | ||||
2912 | class LocalVarRefChecker final | ||||
2913 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { | ||||
2914 | Sema &SemaRef; | ||||
2915 | |||||
2916 | public: | ||||
2917 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||
2918 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||
2919 | if (VD->hasLocalStorage()) { | ||||
2920 | SemaRef.Diag(E->getBeginLoc(), | ||||
2921 | diag::err_omp_local_var_in_threadprivate_init) | ||||
2922 | << E->getSourceRange(); | ||||
2923 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) | ||||
2924 | << VD << VD->getSourceRange(); | ||||
2925 | return true; | ||||
2926 | } | ||||
2927 | } | ||||
2928 | return false; | ||||
2929 | } | ||||
2930 | bool VisitStmt(const Stmt *S) { | ||||
2931 | for (const Stmt *Child : S->children()) { | ||||
2932 | if (Child && Visit(Child)) | ||||
2933 | return true; | ||||
2934 | } | ||||
2935 | return false; | ||||
2936 | } | ||||
2937 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} | ||||
2938 | }; | ||||
2939 | } // namespace | ||||
2940 | |||||
2941 | OMPThreadPrivateDecl * | ||||
2942 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { | ||||
2943 | SmallVector<Expr *, 8> Vars; | ||||
2944 | for (Expr *RefExpr : VarList) { | ||||
2945 | auto *DE = cast<DeclRefExpr>(RefExpr); | ||||
2946 | auto *VD = cast<VarDecl>(DE->getDecl()); | ||||
2947 | SourceLocation ILoc = DE->getExprLoc(); | ||||
2948 | |||||
2949 | // Mark variable as used. | ||||
2950 | VD->setReferenced(); | ||||
2951 | VD->markUsed(Context); | ||||
2952 | |||||
2953 | QualType QType = VD->getType(); | ||||
2954 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { | ||||
2955 | // It will be analyzed later. | ||||
2956 | Vars.push_back(DE); | ||||
2957 | continue; | ||||
2958 | } | ||||
2959 | |||||
2960 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | ||||
2961 | // A threadprivate variable must not have an incomplete type. | ||||
2962 | if (RequireCompleteType(ILoc, VD->getType(), | ||||
2963 | diag::err_omp_threadprivate_incomplete_type)) { | ||||
2964 | continue; | ||||
2965 | } | ||||
2966 | |||||
2967 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | ||||
2968 | // A threadprivate variable must not have a reference type. | ||||
2969 | if (VD->getType()->isReferenceType()) { | ||||
2970 | Diag(ILoc, diag::err_omp_ref_type_arg) | ||||
2971 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); | ||||
2972 | bool IsDecl = | ||||
2973 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2974 | Diag(VD->getLocation(), | ||||
2975 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2976 | << VD; | ||||
2977 | continue; | ||||
2978 | } | ||||
2979 | |||||
2980 | // Check if this is a TLS variable. If TLS is not being supported, produce | ||||
2981 | // the corresponding diagnostic. | ||||
2982 | if ((VD->getTLSKind() != VarDecl::TLS_None && | ||||
2983 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | ||||
2984 | getLangOpts().OpenMPUseTLS && | ||||
2985 | getASTContext().getTargetInfo().isTLSSupported())) || | ||||
2986 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | ||||
2987 | !VD->isLocalVarDecl())) { | ||||
2988 | Diag(ILoc, diag::err_omp_var_thread_local) | ||||
2989 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); | ||||
2990 | bool IsDecl = | ||||
2991 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2992 | Diag(VD->getLocation(), | ||||
2993 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2994 | << VD; | ||||
2995 | continue; | ||||
2996 | } | ||||
2997 | |||||
2998 | // Check if initial value of threadprivate variable reference variable with | ||||
2999 | // local storage (it is not supported by runtime). | ||||
3000 | if (const Expr *Init = VD->getAnyInitializer()) { | ||||
3001 | LocalVarRefChecker Checker(*this); | ||||
3002 | if (Checker.Visit(Init)) | ||||
3003 | continue; | ||||
3004 | } | ||||
3005 | |||||
3006 | Vars.push_back(RefExpr); | ||||
3007 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); | ||||
3008 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( | ||||
3009 | Context, SourceRange(Loc, Loc))); | ||||
3010 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||
3011 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); | ||||
3012 | } | ||||
3013 | OMPThreadPrivateDecl *D = nullptr; | ||||
3014 | if (!Vars.empty()) { | ||||
3015 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, | ||||
3016 | Vars); | ||||
3017 | D->setAccess(AS_public); | ||||
3018 | } | ||||
3019 | return D; | ||||
3020 | } | ||||
3021 | |||||
3022 | static OMPAllocateDeclAttr::AllocatorTypeTy | ||||
3023 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { | ||||
3024 | if (!Allocator) | ||||
3025 | return OMPAllocateDeclAttr::OMPNullMemAlloc; | ||||
3026 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || | ||||
3027 | Allocator->isInstantiationDependent() || | ||||
3028 | Allocator->containsUnexpandedParameterPack()) | ||||
3029 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | ||||
3030 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | ||||
3031 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | ||||
3032 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||
3033 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||
3034 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); | ||||
3035 | llvm::FoldingSetNodeID AEId, DAEId; | ||||
3036 | AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); | ||||
3037 | DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); | ||||
3038 | if (AEId == DAEId) { | ||||
3039 | AllocatorKindRes = AllocatorKind; | ||||
3040 | break; | ||||
3041 | } | ||||
3042 | } | ||||
3043 | return AllocatorKindRes; | ||||
3044 | } | ||||
3045 | |||||
3046 | static bool checkPreviousOMPAllocateAttribute( | ||||
3047 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, | ||||
3048 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { | ||||
3049 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) | ||||
3050 | return false; | ||||
3051 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | ||||
3052 | Expr *PrevAllocator = A->getAllocator(); | ||||
3053 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = | ||||
3054 | getAllocatorKind(S, Stack, PrevAllocator); | ||||
3055 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; | ||||
3056 | if (AllocatorsMatch && | ||||
3057 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && | ||||
3058 | Allocator && PrevAllocator) { | ||||
3059 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | ||||
3060 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); | ||||
3061 | llvm::FoldingSetNodeID AEId, PAEId; | ||||
3062 | AE->Profile(AEId, S.Context, /*Canonical=*/true); | ||||
3063 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); | ||||
3064 | AllocatorsMatch = AEId == PAEId; | ||||
3065 | } | ||||
3066 | if (!AllocatorsMatch) { | ||||
3067 | SmallString<256> AllocatorBuffer; | ||||
3068 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); | ||||
3069 | if (Allocator) | ||||
3070 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); | ||||
3071 | SmallString<256> PrevAllocatorBuffer; | ||||
3072 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); | ||||
3073 | if (PrevAllocator) | ||||
3074 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, | ||||
3075 | S.getPrintingPolicy()); | ||||
3076 | |||||
3077 | SourceLocation AllocatorLoc = | ||||
3078 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); | ||||
3079 | SourceRange AllocatorRange = | ||||
3080 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); | ||||
3081 | SourceLocation PrevAllocatorLoc = | ||||
3082 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); | ||||
3083 | SourceRange PrevAllocatorRange = | ||||
3084 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); | ||||
3085 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) | ||||
3086 | << (Allocator ? 1 : 0) << AllocatorStream.str() | ||||
3087 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() | ||||
3088 | << AllocatorRange; | ||||
3089 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) | ||||
3090 | << PrevAllocatorRange; | ||||
3091 | return true; | ||||
3092 | } | ||||
3093 | return false; | ||||
3094 | } | ||||
3095 | |||||
3096 | static void | ||||
3097 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, | ||||
3098 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | ||||
3099 | Expr *Allocator, SourceRange SR) { | ||||
3100 | if (VD->hasAttr<OMPAllocateDeclAttr>()) | ||||
3101 | return; | ||||
3102 | if (Allocator && | ||||
3103 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || | ||||
3104 | Allocator->isInstantiationDependent() || | ||||
3105 | Allocator->containsUnexpandedParameterPack())) | ||||
3106 | return; | ||||
3107 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, | ||||
3108 | Allocator, SR); | ||||
3109 | VD->addAttr(A); | ||||
3110 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) | ||||
3111 | ML->DeclarationMarkedOpenMPAllocate(VD, A); | ||||
3112 | } | ||||
3113 | |||||
3114 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPAllocateDirective( | ||||
3115 | SourceLocation Loc, ArrayRef<Expr *> VarList, | ||||
3116 | ArrayRef<OMPClause *> Clauses, DeclContext *Owner) { | ||||
3117 | assert(Clauses.size() <= 1 && "Expected at most one clause.")((Clauses.size() <= 1 && "Expected at most one clause." ) ? static_cast<void> (0) : __assert_fail ("Clauses.size() <= 1 && \"Expected at most one clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 3117, __PRETTY_FUNCTION__)); | ||||
3118 | Expr *Allocator = nullptr; | ||||
3119 | if (Clauses.empty()) { | ||||
3120 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. | ||||
3121 | // allocate directives that appear in a target region must specify an | ||||
3122 | // allocator clause unless a requires directive with the dynamic_allocators | ||||
3123 | // clause is present in the same compilation unit. | ||||
3124 | if (LangOpts.OpenMPIsDevice && | ||||
3125 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | ||||
3126 | targetDiag(Loc, diag::err_expected_allocator_clause); | ||||
3127 | } else { | ||||
3128 | Allocator = cast<OMPAllocatorClause>(Clauses.back())->getAllocator(); | ||||
3129 | } | ||||
3130 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | ||||
3131 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); | ||||
3132 | SmallVector<Expr *, 8> Vars; | ||||
3133 | for (Expr *RefExpr : VarList) { | ||||
3134 | auto *DE = cast<DeclRefExpr>(RefExpr); | ||||
3135 | auto *VD = cast<VarDecl>(DE->getDecl()); | ||||
3136 | |||||
3137 | // Check if this is a TLS variable or global register. | ||||
3138 | if (VD->getTLSKind() != VarDecl::TLS_None || | ||||
3139 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || | ||||
3140 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | ||||
3141 | !VD->isLocalVarDecl())) | ||||
3142 | continue; | ||||
3143 | |||||
3144 | // If the used several times in the allocate directive, the same allocator | ||||
3145 | // must be used. | ||||
3146 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, | ||||
3147 | AllocatorKind, Allocator)) | ||||
3148 | continue; | ||||
3149 | |||||
3150 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ | ||||
3151 | // If a list item has a static storage type, the allocator expression in the | ||||
3152 | // allocator clause must be a constant expression that evaluates to one of | ||||
3153 | // the predefined memory allocator values. | ||||
3154 | if (Allocator && VD->hasGlobalStorage()) { | ||||
3155 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { | ||||
3156 | Diag(Allocator->getExprLoc(), | ||||
3157 | diag::err_omp_expected_predefined_allocator) | ||||
3158 | << Allocator->getSourceRange(); | ||||
3159 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == | ||||
3160 | VarDecl::DeclarationOnly; | ||||
3161 | Diag(VD->getLocation(), | ||||
3162 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
3163 | << VD; | ||||
3164 | continue; | ||||
3165 | } | ||||
3166 | } | ||||
3167 | |||||
3168 | Vars.push_back(RefExpr); | ||||
3169 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, | ||||
3170 | DE->getSourceRange()); | ||||
3171 | } | ||||
3172 | if (Vars.empty()) | ||||
3173 | return nullptr; | ||||
3174 | if (!Owner) | ||||
3175 | Owner = getCurLexicalContext(); | ||||
3176 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); | ||||
3177 | D->setAccess(AS_public); | ||||
3178 | Owner->addDecl(D); | ||||
3179 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||
3180 | } | ||||
3181 | |||||
3182 | Sema::DeclGroupPtrTy | ||||
3183 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, | ||||
3184 | ArrayRef<OMPClause *> ClauseList) { | ||||
3185 | OMPRequiresDecl *D = nullptr; | ||||
3186 | if (!CurContext->isFileContext()) { | ||||
3187 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; | ||||
3188 | } else { | ||||
3189 | D = CheckOMPRequiresDecl(Loc, ClauseList); | ||||
3190 | if (D) { | ||||
3191 | CurContext->addDecl(D); | ||||
3192 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); | ||||
3193 | } | ||||
3194 | } | ||||
3195 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||
3196 | } | ||||
3197 | |||||
3198 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, | ||||
3199 | ArrayRef<OMPClause *> ClauseList) { | ||||
3200 | /// For target specific clauses, the requires directive cannot be | ||||
3201 | /// specified after the handling of any of the target regions in the | ||||
3202 | /// current compilation unit. | ||||
3203 | ArrayRef<SourceLocation> TargetLocations = | ||||
3204 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); | ||||
3205 | SourceLocation AtomicLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAtomicDirectiveLoc(); | ||||
3206 | if (!TargetLocations.empty() || !AtomicLoc.isInvalid()) { | ||||
3207 | for (const OMPClause *CNew : ClauseList) { | ||||
3208 | // Check if any of the requires clauses affect target regions. | ||||
3209 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || | ||||
3210 | isa<OMPUnifiedAddressClause>(CNew) || | ||||
3211 | isa<OMPReverseOffloadClause>(CNew) || | ||||
3212 | isa<OMPDynamicAllocatorsClause>(CNew)) { | ||||
3213 | Diag(Loc, diag::err_omp_directive_before_requires) | ||||
3214 | << "target" << getOpenMPClauseName(CNew->getClauseKind()); | ||||
3215 | for (SourceLocation TargetLoc : TargetLocations) { | ||||
3216 | Diag(TargetLoc, diag::note_omp_requires_encountered_directive) | ||||
3217 | << "target"; | ||||
3218 | } | ||||
3219 | } else if (!AtomicLoc.isInvalid() && | ||||
3220 | isa<OMPAtomicDefaultMemOrderClause>(CNew)) { | ||||
3221 | Diag(Loc, diag::err_omp_directive_before_requires) | ||||
3222 | << "atomic" << getOpenMPClauseName(CNew->getClauseKind()); | ||||
3223 | Diag(AtomicLoc, diag::note_omp_requires_encountered_directive) | ||||
3224 | << "atomic"; | ||||
3225 | } | ||||
3226 | } | ||||
3227 | } | ||||
3228 | |||||
3229 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) | ||||
3230 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, | ||||
3231 | ClauseList); | ||||
3232 | return nullptr; | ||||
3233 | } | ||||
3234 | |||||
3235 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | ||||
3236 | const ValueDecl *D, | ||||
3237 | const DSAStackTy::DSAVarData &DVar, | ||||
3238 | bool IsLoopIterVar) { | ||||
3239 | if (DVar.RefExpr) { | ||||
3240 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
3241 | << getOpenMPClauseName(DVar.CKind); | ||||
3242 | return; | ||||
3243 | } | ||||
3244 | enum { | ||||
3245 | PDSA_StaticMemberShared, | ||||
3246 | PDSA_StaticLocalVarShared, | ||||
3247 | PDSA_LoopIterVarPrivate, | ||||
3248 | PDSA_LoopIterVarLinear, | ||||
3249 | PDSA_LoopIterVarLastprivate, | ||||
3250 | PDSA_ConstVarShared, | ||||
3251 | PDSA_GlobalVarShared, | ||||
3252 | PDSA_TaskVarFirstprivate, | ||||
3253 | PDSA_LocalVarPrivate, | ||||
3254 | PDSA_Implicit | ||||
3255 | } Reason = PDSA_Implicit; | ||||
3256 | bool ReportHint = false; | ||||
3257 | auto ReportLoc = D->getLocation(); | ||||
3258 | auto *VD = dyn_cast<VarDecl>(D); | ||||
3259 | if (IsLoopIterVar) { | ||||
3260 | if (DVar.CKind == OMPC_private) | ||||
3261 | Reason = PDSA_LoopIterVarPrivate; | ||||
3262 | else if (DVar.CKind == OMPC_lastprivate) | ||||
3263 | Reason = PDSA_LoopIterVarLastprivate; | ||||
3264 | else | ||||
3265 | Reason = PDSA_LoopIterVarLinear; | ||||
3266 | } else if (isOpenMPTaskingDirective(DVar.DKind) && | ||||
3267 | DVar.CKind == OMPC_firstprivate) { | ||||
3268 | Reason = PDSA_TaskVarFirstprivate; | ||||
3269 | ReportLoc = DVar.ImplicitDSALoc; | ||||
3270 | } else if (VD && VD->isStaticLocal()) | ||||
3271 | Reason = PDSA_StaticLocalVarShared; | ||||
3272 | else if (VD && VD->isStaticDataMember()) | ||||
3273 | Reason = PDSA_StaticMemberShared; | ||||
3274 | else if (VD && VD->isFileVarDecl()) | ||||
3275 | Reason = PDSA_GlobalVarShared; | ||||
3276 | else if (D->getType().isConstant(SemaRef.getASTContext())) | ||||
3277 | Reason = PDSA_ConstVarShared; | ||||
3278 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { | ||||
3279 | ReportHint = true; | ||||
3280 | Reason = PDSA_LocalVarPrivate; | ||||
3281 | } | ||||
3282 | if (Reason != PDSA_Implicit) { | ||||
3283 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) | ||||
3284 | << Reason << ReportHint | ||||
3285 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | ||||
3286 | } else if (DVar.ImplicitDSALoc.isValid()) { | ||||
3287 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) | ||||
3288 | << getOpenMPClauseName(DVar.CKind); | ||||
3289 | } | ||||
3290 | } | ||||
3291 | |||||
3292 | static OpenMPMapClauseKind | ||||
3293 | getMapClauseKindFromModifier(OpenMPDefaultmapClauseModifier M, | ||||
3294 | bool IsAggregateOrDeclareTarget) { | ||||
3295 | OpenMPMapClauseKind Kind = OMPC_MAP_unknown; | ||||
3296 | switch (M) { | ||||
3297 | case OMPC_DEFAULTMAP_MODIFIER_alloc: | ||||
3298 | Kind = OMPC_MAP_alloc; | ||||
3299 | break; | ||||
3300 | case OMPC_DEFAULTMAP_MODIFIER_to: | ||||
3301 | Kind = OMPC_MAP_to; | ||||
3302 | break; | ||||
3303 | case OMPC_DEFAULTMAP_MODIFIER_from: | ||||
3304 | Kind = OMPC_MAP_from; | ||||
3305 | break; | ||||
3306 | case OMPC_DEFAULTMAP_MODIFIER_tofrom: | ||||
3307 | Kind = OMPC_MAP_tofrom; | ||||
3308 | break; | ||||
3309 | case OMPC_DEFAULTMAP_MODIFIER_firstprivate: | ||||
3310 | case OMPC_DEFAULTMAP_MODIFIER_last: | ||||
3311 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 3311); | ||||
3312 | case OMPC_DEFAULTMAP_MODIFIER_none: | ||||
3313 | case OMPC_DEFAULTMAP_MODIFIER_default: | ||||
3314 | case OMPC_DEFAULTMAP_MODIFIER_unknown: | ||||
3315 | // IsAggregateOrDeclareTarget could be true if: | ||||
3316 | // 1. the implicit behavior for aggregate is tofrom | ||||
3317 | // 2. it's a declare target link | ||||
3318 | if (IsAggregateOrDeclareTarget) { | ||||
3319 | Kind = OMPC_MAP_tofrom; | ||||
3320 | break; | ||||
3321 | } | ||||
3322 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 3322); | ||||
3323 | } | ||||
3324 | assert(Kind != OMPC_MAP_unknown && "Expect map kind to be known")((Kind != OMPC_MAP_unknown && "Expect map kind to be known" ) ? static_cast<void> (0) : __assert_fail ("Kind != OMPC_MAP_unknown && \"Expect map kind to be known\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 3324, __PRETTY_FUNCTION__)); | ||||
3325 | return Kind; | ||||
3326 | } | ||||
3327 | |||||
3328 | namespace { | ||||
3329 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { | ||||
3330 | DSAStackTy *Stack; | ||||
3331 | Sema &SemaRef; | ||||
3332 | bool ErrorFound = false; | ||||
3333 | bool TryCaptureCXXThisMembers = false; | ||||
3334 | CapturedStmt *CS = nullptr; | ||||
3335 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; | ||||
3336 | llvm::SmallVector<Expr *, 4> ImplicitMap[OMPC_MAP_delete]; | ||||
3337 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; | ||||
3338 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; | ||||
3339 | |||||
3340 | void VisitSubCaptures(OMPExecutableDirective *S) { | ||||
3341 | // Check implicitly captured variables. | ||||
3342 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt() || | ||||
3343 | S->getDirectiveKind() == OMPD_atomic || | ||||
3344 | S->getDirectiveKind() == OMPD_critical || | ||||
3345 | S->getDirectiveKind() == OMPD_section || | ||||
3346 | S->getDirectiveKind() == OMPD_master) | ||||
3347 | return; | ||||
3348 | visitSubCaptures(S->getInnermostCapturedStmt()); | ||||
3349 | // Try to capture inner this->member references to generate correct mappings | ||||
3350 | // and diagnostics. | ||||
3351 | if (TryCaptureCXXThisMembers || | ||||
3352 | (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||
3353 | llvm::any_of(S->getInnermostCapturedStmt()->captures(), | ||||
3354 | [](const CapturedStmt::Capture &C) { | ||||
3355 | return C.capturesThis(); | ||||
3356 | }))) { | ||||
3357 | bool SavedTryCaptureCXXThisMembers = TryCaptureCXXThisMembers; | ||||
3358 | TryCaptureCXXThisMembers = true; | ||||
3359 | Visit(S->getInnermostCapturedStmt()->getCapturedStmt()); | ||||
3360 | TryCaptureCXXThisMembers = SavedTryCaptureCXXThisMembers; | ||||
3361 | } | ||||
3362 | // In tasks firstprivates are not captured anymore, need to analyze them | ||||
3363 | // explicitly. | ||||
3364 | if (isOpenMPTaskingDirective(S->getDirectiveKind()) && | ||||
3365 | !isOpenMPTaskLoopDirective(S->getDirectiveKind())) { | ||||
3366 | for (OMPClause *C : S->clauses()) | ||||
3367 | if (auto *FC = dyn_cast<OMPFirstprivateClause>(C)) { | ||||
3368 | for (Expr *Ref : FC->varlists()) | ||||
3369 | Visit(Ref); | ||||
3370 | } | ||||
3371 | } | ||||
3372 | } | ||||
3373 | |||||
3374 | public: | ||||
3375 | void VisitDeclRefExpr(DeclRefExpr *E) { | ||||
3376 | if (TryCaptureCXXThisMembers || E->isTypeDependent() || | ||||
3377 | E->isValueDependent() || E->containsUnexpandedParameterPack() || | ||||
3378 | E->isInstantiationDependent()) | ||||
3379 | return; | ||||
3380 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||
3381 | // Check the datasharing rules for the expressions in the clauses. | ||||
3382 | if (!CS) { | ||||
3383 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) | ||||
3384 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
3385 | Visit(CED->getInit()); | ||||
3386 | return; | ||||
3387 | } | ||||
3388 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) | ||||
3389 | // Do not analyze internal variables and do not enclose them into | ||||
3390 | // implicit clauses. | ||||
3391 | return; | ||||
3392 | VD = VD->getCanonicalDecl(); | ||||
3393 | // Skip internally declared variables. | ||||
3394 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD) && | ||||
3395 | !Stack->isImplicitTaskFirstprivate(VD)) | ||||
3396 | return; | ||||
3397 | // Skip allocators in uses_allocators clauses. | ||||
3398 | if (Stack->isUsesAllocatorsDecl(VD).hasValue()) | ||||
3399 | return; | ||||
3400 | |||||
3401 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||
3402 | // Check if the variable has explicit DSA set and stop analysis if it so. | ||||
3403 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) | ||||
3404 | return; | ||||
3405 | |||||
3406 | // Skip internally declared static variables. | ||||
3407 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
3408 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
3409 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && | ||||
3410 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | ||||
3411 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) && | ||||
3412 | !Stack->isImplicitTaskFirstprivate(VD)) | ||||
3413 | return; | ||||
3414 | |||||
3415 | SourceLocation ELoc = E->getExprLoc(); | ||||
3416 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | ||||
3417 | // The default(none) clause requires that each variable that is referenced | ||||
3418 | // in the construct, and does not have a predetermined data-sharing | ||||
3419 | // attribute, must have its data-sharing attribute explicitly determined | ||||
3420 | // by being listed in a data-sharing attribute clause. | ||||
3421 | if (DVar.CKind == OMPC_unknown && | ||||
3422 | (Stack->getDefaultDSA() == DSA_none || | ||||
3423 | Stack->getDefaultDSA() == DSA_firstprivate) && | ||||
3424 | isImplicitOrExplicitTaskingRegion(DKind) && | ||||
3425 | VarsWithInheritedDSA.count(VD) == 0) { | ||||
3426 | bool InheritedDSA = Stack->getDefaultDSA() == DSA_none; | ||||
3427 | if (!InheritedDSA && Stack->getDefaultDSA() == DSA_firstprivate) { | ||||
3428 | DSAStackTy::DSAVarData DVar = | ||||
3429 | Stack->getImplicitDSA(VD, /*FromParent=*/false); | ||||
3430 | InheritedDSA = DVar.CKind == OMPC_unknown; | ||||
3431 | } | ||||
3432 | if (InheritedDSA) | ||||
3433 | VarsWithInheritedDSA[VD] = E; | ||||
3434 | return; | ||||
3435 | } | ||||
3436 | |||||
3437 | // OpenMP 5.0 [2.19.7.2, defaultmap clause, Description] | ||||
3438 | // If implicit-behavior is none, each variable referenced in the | ||||
3439 | // construct that does not have a predetermined data-sharing attribute | ||||
3440 | // and does not appear in a to or link clause on a declare target | ||||
3441 | // directive must be listed in a data-mapping attribute clause, a | ||||
3442 | // data-haring attribute clause (including a data-sharing attribute | ||||
3443 | // clause on a combined construct where target. is one of the | ||||
3444 | // constituent constructs), or an is_device_ptr clause. | ||||
3445 | OpenMPDefaultmapClauseKind ClauseKind = | ||||
3446 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), VD); | ||||
3447 | if (SemaRef.getLangOpts().OpenMP >= 50) { | ||||
3448 | bool IsModifierNone = Stack->getDefaultmapModifier(ClauseKind) == | ||||
3449 | OMPC_DEFAULTMAP_MODIFIER_none; | ||||
3450 | if (DVar.CKind == OMPC_unknown && IsModifierNone && | ||||
3451 | VarsWithInheritedDSA.count(VD) == 0 && !Res) { | ||||
3452 | // Only check for data-mapping attribute and is_device_ptr here | ||||
3453 | // since we have already make sure that the declaration does not | ||||
3454 | // have a data-sharing attribute above | ||||
3455 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||
3456 | VD, /*CurrentRegionOnly=*/true, | ||||
3457 | [VD](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3458 | MapExprComponents, | ||||
3459 | OpenMPClauseKind) { | ||||
3460 | auto MI = MapExprComponents.rbegin(); | ||||
3461 | auto ME = MapExprComponents.rend(); | ||||
3462 | return MI != ME && MI->getAssociatedDeclaration() == VD; | ||||
3463 | })) { | ||||
3464 | VarsWithInheritedDSA[VD] = E; | ||||
3465 | return; | ||||
3466 | } | ||||
3467 | } | ||||
3468 | } | ||||
3469 | |||||
3470 | if (isOpenMPTargetExecutionDirective(DKind) && | ||||
3471 | !Stack->isLoopControlVariable(VD).first) { | ||||
3472 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||
3473 | VD, /*CurrentRegionOnly=*/true, | ||||
3474 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3475 | StackComponents, | ||||
3476 | OpenMPClauseKind) { | ||||
3477 | // Variable is used if it has been marked as an array, array | ||||
3478 | // section, array shaping or the variable iself. | ||||
3479 | return StackComponents.size() == 1 || | ||||
3480 | std::all_of( | ||||
3481 | std::next(StackComponents.rbegin()), | ||||
3482 | StackComponents.rend(), | ||||
3483 | [](const OMPClauseMappableExprCommon:: | ||||
3484 | MappableComponent &MC) { | ||||
3485 | return MC.getAssociatedDeclaration() == | ||||
3486 | nullptr && | ||||
3487 | (isa<OMPArraySectionExpr>( | ||||
3488 | MC.getAssociatedExpression()) || | ||||
3489 | isa<OMPArrayShapingExpr>( | ||||
3490 | MC.getAssociatedExpression()) || | ||||
3491 | isa<ArraySubscriptExpr>( | ||||
3492 | MC.getAssociatedExpression())); | ||||
3493 | }); | ||||
3494 | })) { | ||||
3495 | bool IsFirstprivate = false; | ||||
3496 | // By default lambdas are captured as firstprivates. | ||||
3497 | if (const auto *RD = | ||||
3498 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) | ||||
3499 | IsFirstprivate = RD->isLambda(); | ||||
3500 | IsFirstprivate = | ||||
3501 | IsFirstprivate || (Stack->mustBeFirstprivate(ClauseKind) && !Res); | ||||
3502 | if (IsFirstprivate) { | ||||
3503 | ImplicitFirstprivate.emplace_back(E); | ||||
3504 | } else { | ||||
3505 | OpenMPDefaultmapClauseModifier M = | ||||
3506 | Stack->getDefaultmapModifier(ClauseKind); | ||||
3507 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | ||||
3508 | M, ClauseKind == OMPC_DEFAULTMAP_aggregate || Res); | ||||
3509 | ImplicitMap[Kind].emplace_back(E); | ||||
3510 | } | ||||
3511 | return; | ||||
3512 | } | ||||
3513 | } | ||||
3514 | |||||
3515 | // OpenMP [2.9.3.6, Restrictions, p.2] | ||||
3516 | // A list item that appears in a reduction clause of the innermost | ||||
3517 | // enclosing worksharing or parallel construct may not be accessed in an | ||||
3518 | // explicit task. | ||||
3519 | DVar = Stack->hasInnermostDSA( | ||||
3520 | VD, | ||||
3521 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||
3522 | return C == OMPC_reduction && !AppliedToPointee; | ||||
3523 | }, | ||||
3524 | [](OpenMPDirectiveKind K) { | ||||
3525 | return isOpenMPParallelDirective(K) || | ||||
3526 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | ||||
3527 | }, | ||||
3528 | /*FromParent=*/true); | ||||
3529 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | ||||
3530 | ErrorFound = true; | ||||
3531 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | ||||
3532 | reportOriginalDsa(SemaRef, Stack, VD, DVar); | ||||
3533 | return; | ||||
3534 | } | ||||
3535 | |||||
3536 | // Define implicit data-sharing attributes for task. | ||||
3537 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); | ||||
3538 | if (((isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared) || | ||||
3539 | (Stack->getDefaultDSA() == DSA_firstprivate && | ||||
3540 | DVar.CKind == OMPC_firstprivate && !DVar.RefExpr)) && | ||||
3541 | !Stack->isLoopControlVariable(VD).first) { | ||||
3542 | ImplicitFirstprivate.push_back(E); | ||||
3543 | return; | ||||
3544 | } | ||||
3545 | |||||
3546 | // Store implicitly used globals with declare target link for parent | ||||
3547 | // target. | ||||
3548 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && | ||||
3549 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { | ||||
3550 | Stack->addToParentTargetRegionLinkGlobals(E); | ||||
3551 | return; | ||||
3552 | } | ||||
3553 | } | ||||
3554 | } | ||||
3555 | void VisitMemberExpr(MemberExpr *E) { | ||||
3556 | if (E->isTypeDependent() || E->isValueDependent() || | ||||
3557 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | ||||
3558 | return; | ||||
3559 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); | ||||
3560 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | ||||
3561 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParenCasts())) { | ||||
3562 | if (!FD) | ||||
3563 | return; | ||||
3564 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); | ||||
3565 | // Check if the variable has explicit DSA set and stop analysis if it | ||||
3566 | // so. | ||||
3567 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) | ||||
3568 | return; | ||||
3569 | |||||
3570 | if (isOpenMPTargetExecutionDirective(DKind) && | ||||
3571 | !Stack->isLoopControlVariable(FD).first && | ||||
3572 | !Stack->checkMappableExprComponentListsForDecl( | ||||
3573 | FD, /*CurrentRegionOnly=*/true, | ||||
3574 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3575 | StackComponents, | ||||
3576 | OpenMPClauseKind) { | ||||
3577 | return isa<CXXThisExpr>( | ||||
3578 | cast<MemberExpr>( | ||||
3579 | StackComponents.back().getAssociatedExpression()) | ||||
3580 | ->getBase() | ||||
3581 | ->IgnoreParens()); | ||||
3582 | })) { | ||||
3583 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | ||||
3584 | // A bit-field cannot appear in a map clause. | ||||
3585 | // | ||||
3586 | if (FD->isBitField()) | ||||
3587 | return; | ||||
3588 | |||||
3589 | // Check to see if the member expression is referencing a class that | ||||
3590 | // has already been explicitly mapped | ||||
3591 | if (Stack->isClassPreviouslyMapped(TE->getType())) | ||||
3592 | return; | ||||
3593 | |||||
3594 | OpenMPDefaultmapClauseModifier Modifier = | ||||
3595 | Stack->getDefaultmapModifier(OMPC_DEFAULTMAP_aggregate); | ||||
3596 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | ||||
3597 | Modifier, /*IsAggregateOrDeclareTarget*/ true); | ||||
3598 | ImplicitMap[Kind].emplace_back(E); | ||||
3599 | return; | ||||
3600 | } | ||||
3601 | |||||
3602 | SourceLocation ELoc = E->getExprLoc(); | ||||
3603 | // OpenMP [2.9.3.6, Restrictions, p.2] | ||||
3604 | // A list item that appears in a reduction clause of the innermost | ||||
3605 | // enclosing worksharing or parallel construct may not be accessed in | ||||
3606 | // an explicit task. | ||||
3607 | DVar = Stack->hasInnermostDSA( | ||||
3608 | FD, | ||||
3609 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||
3610 | return C == OMPC_reduction && !AppliedToPointee; | ||||
3611 | }, | ||||
3612 | [](OpenMPDirectiveKind K) { | ||||
3613 | return isOpenMPParallelDirective(K) || | ||||
3614 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | ||||
3615 | }, | ||||
3616 | /*FromParent=*/true); | ||||
3617 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | ||||
3618 | ErrorFound = true; | ||||
3619 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | ||||
3620 | reportOriginalDsa(SemaRef, Stack, FD, DVar); | ||||
3621 | return; | ||||
3622 | } | ||||
3623 | |||||
3624 | // Define implicit data-sharing attributes for task. | ||||
3625 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); | ||||
3626 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | ||||
3627 | !Stack->isLoopControlVariable(FD).first) { | ||||
3628 | // Check if there is a captured expression for the current field in the | ||||
3629 | // region. Do not mark it as firstprivate unless there is no captured | ||||
3630 | // expression. | ||||
3631 | // TODO: try to make it firstprivate. | ||||
3632 | if (DVar.CKind != OMPC_unknown) | ||||
3633 | ImplicitFirstprivate.push_back(E); | ||||
3634 | } | ||||
3635 | return; | ||||
3636 | } | ||||
3637 | if (isOpenMPTargetExecutionDirective(DKind)) { | ||||
3638 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | ||||
3639 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, | ||||
3640 | /*NoDiagnose=*/true)) | ||||
3641 | return; | ||||
3642 | const auto *VD = cast<ValueDecl>( | ||||
3643 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); | ||||
3644 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||
3645 | VD, /*CurrentRegionOnly=*/true, | ||||
3646 | [&CurComponents]( | ||||
3647 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3648 | StackComponents, | ||||
3649 | OpenMPClauseKind) { | ||||
3650 | auto CCI = CurComponents.rbegin(); | ||||
3651 | auto CCE = CurComponents.rend(); | ||||
3652 | for (const auto &SC : llvm::reverse(StackComponents)) { | ||||
3653 | // Do both expressions have the same kind? | ||||
3654 | if (CCI->getAssociatedExpression()->getStmtClass() != | ||||
3655 | SC.getAssociatedExpression()->getStmtClass()) | ||||
3656 | if (!((isa<OMPArraySectionExpr>( | ||||
3657 | SC.getAssociatedExpression()) || | ||||
3658 | isa<OMPArrayShapingExpr>( | ||||
3659 | SC.getAssociatedExpression())) && | ||||
3660 | isa<ArraySubscriptExpr>( | ||||
3661 | CCI->getAssociatedExpression()))) | ||||
3662 | return false; | ||||
3663 | |||||
3664 | const Decl *CCD = CCI->getAssociatedDeclaration(); | ||||
3665 | const Decl *SCD = SC.getAssociatedDeclaration(); | ||||
3666 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; | ||||
3667 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; | ||||
3668 | if (SCD != CCD) | ||||
3669 | return false; | ||||
3670 | std::advance(CCI, 1); | ||||
3671 | if (CCI == CCE) | ||||
3672 | break; | ||||
3673 | } | ||||
3674 | return true; | ||||
3675 | })) { | ||||
3676 | Visit(E->getBase()); | ||||
3677 | } | ||||
3678 | } else if (!TryCaptureCXXThisMembers) { | ||||
3679 | Visit(E->getBase()); | ||||
3680 | } | ||||
3681 | } | ||||
3682 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { | ||||
3683 | for (OMPClause *C : S->clauses()) { | ||||
3684 | // Skip analysis of arguments of implicitly defined firstprivate clause | ||||
3685 | // for task|target directives. | ||||
3686 | // Skip analysis of arguments of implicitly defined map clause for target | ||||
3687 | // directives. | ||||
3688 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && | ||||
3689 | C->isImplicit())) { | ||||
3690 | for (Stmt *CC : C->children()) { | ||||
3691 | if (CC) | ||||
3692 | Visit(CC); | ||||
3693 | } | ||||
3694 | } | ||||
3695 | } | ||||
3696 | // Check implicitly captured variables. | ||||
3697 | VisitSubCaptures(S); | ||||
3698 | } | ||||
3699 | void VisitStmt(Stmt *S) { | ||||
3700 | for (Stmt *C : S->children()) { | ||||
3701 | if (C) { | ||||
3702 | // Check implicitly captured variables in the task-based directives to | ||||
3703 | // check if they must be firstprivatized. | ||||
3704 | Visit(C); | ||||
3705 | } | ||||
3706 | } | ||||
3707 | } | ||||
3708 | |||||
3709 | void visitSubCaptures(CapturedStmt *S) { | ||||
3710 | for (const CapturedStmt::Capture &Cap : S->captures()) { | ||||
3711 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) | ||||
3712 | continue; | ||||
3713 | VarDecl *VD = Cap.getCapturedVar(); | ||||
3714 | // Do not try to map the variable if it or its sub-component was mapped | ||||
3715 | // already. | ||||
3716 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||
3717 | Stack->checkMappableExprComponentListsForDecl( | ||||
3718 | VD, /*CurrentRegionOnly=*/true, | ||||
3719 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
3720 | OpenMPClauseKind) { return true; })) | ||||
3721 | continue; | ||||
3722 | DeclRefExpr *DRE = buildDeclRefExpr( | ||||
3723 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), | ||||
3724 | Cap.getLocation(), /*RefersToCapture=*/true); | ||||
3725 | Visit(DRE); | ||||
3726 | } | ||||
3727 | } | ||||
3728 | bool isErrorFound() const { return ErrorFound; } | ||||
3729 | ArrayRef<Expr *> getImplicitFirstprivate() const { | ||||
3730 | return ImplicitFirstprivate; | ||||
3731 | } | ||||
3732 | ArrayRef<Expr *> getImplicitMap(OpenMPDefaultmapClauseKind Kind) const { | ||||
3733 | return ImplicitMap[Kind]; | ||||
3734 | } | ||||
3735 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { | ||||
3736 | return VarsWithInheritedDSA; | ||||
3737 | } | ||||
3738 | |||||
3739 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) | ||||
3740 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { | ||||
3741 | // Process declare target link variables for the target directives. | ||||
3742 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { | ||||
3743 | for (DeclRefExpr *E : Stack->getLinkGlobals()) | ||||
3744 | Visit(E); | ||||
3745 | } | ||||
3746 | } | ||||
3747 | }; | ||||
3748 | } // namespace | ||||
3749 | |||||
3750 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { | ||||
3751 | switch (DKind) { | ||||
3752 | case OMPD_parallel: | ||||
3753 | case OMPD_parallel_for: | ||||
3754 | case OMPD_parallel_for_simd: | ||||
3755 | case OMPD_parallel_sections: | ||||
3756 | case OMPD_parallel_master: | ||||
3757 | case OMPD_teams: | ||||
3758 | case OMPD_teams_distribute: | ||||
3759 | case OMPD_teams_distribute_simd: { | ||||
3760 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3761 | QualType KmpInt32PtrTy = | ||||
3762 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3763 | Sema::CapturedParamNameType Params[] = { | ||||
3764 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3765 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3766 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3767 | }; | ||||
3768 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3769 | Params); | ||||
3770 | break; | ||||
3771 | } | ||||
3772 | case OMPD_target_teams: | ||||
3773 | case OMPD_target_parallel: | ||||
3774 | case OMPD_target_parallel_for: | ||||
3775 | case OMPD_target_parallel_for_simd: | ||||
3776 | case OMPD_target_teams_distribute: | ||||
3777 | case OMPD_target_teams_distribute_simd: { | ||||
3778 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3779 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3780 | QualType KmpInt32PtrTy = | ||||
3781 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3782 | QualType Args[] = {VoidPtrTy}; | ||||
3783 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3784 | EPI.Variadic = true; | ||||
3785 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3786 | Sema::CapturedParamNameType Params[] = { | ||||
3787 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3788 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3789 | std::make_pair(".privates.", VoidPtrTy), | ||||
3790 | std::make_pair( | ||||
3791 | ".copy_fn.", | ||||
3792 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3793 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3794 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3795 | }; | ||||
3796 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3797 | Params, /*OpenMPCaptureLevel=*/0); | ||||
3798 | // Mark this captured region as inlined, because we don't use outlined | ||||
3799 | // function directly. | ||||
3800 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3801 | AlwaysInlineAttr::CreateImplicit( | ||||
3802 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3803 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3804 | Sema::CapturedParamNameType ParamsTarget[] = { | ||||
3805 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3806 | }; | ||||
3807 | // Start a captured region for 'target' with no implicit parameters. | ||||
3808 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3809 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | ||||
3810 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { | ||||
3811 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3812 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3813 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3814 | }; | ||||
3815 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||
3816 | // the same implicit parameters. | ||||
3817 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3818 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); | ||||
3819 | break; | ||||
3820 | } | ||||
3821 | case OMPD_target: | ||||
3822 | case OMPD_target_simd: { | ||||
3823 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3824 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3825 | QualType KmpInt32PtrTy = | ||||
3826 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3827 | QualType Args[] = {VoidPtrTy}; | ||||
3828 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3829 | EPI.Variadic = true; | ||||
3830 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3831 | Sema::CapturedParamNameType Params[] = { | ||||
3832 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3833 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3834 | std::make_pair(".privates.", VoidPtrTy), | ||||
3835 | std::make_pair( | ||||
3836 | ".copy_fn.", | ||||
3837 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3838 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3839 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3840 | }; | ||||
3841 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3842 | Params, /*OpenMPCaptureLevel=*/0); | ||||
3843 | // Mark this captured region as inlined, because we don't use outlined | ||||
3844 | // function directly. | ||||
3845 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3846 | AlwaysInlineAttr::CreateImplicit( | ||||
3847 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3848 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3849 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3850 | std::make_pair(StringRef(), QualType()), | ||||
3851 | /*OpenMPCaptureLevel=*/1); | ||||
3852 | break; | ||||
3853 | } | ||||
3854 | case OMPD_atomic: | ||||
3855 | case OMPD_critical: | ||||
3856 | case OMPD_section: | ||||
3857 | case OMPD_master: | ||||
3858 | break; | ||||
3859 | case OMPD_simd: | ||||
3860 | case OMPD_for: | ||||
3861 | case OMPD_for_simd: | ||||
3862 | case OMPD_sections: | ||||
3863 | case OMPD_single: | ||||
3864 | case OMPD_taskgroup: | ||||
3865 | case OMPD_distribute: | ||||
3866 | case OMPD_distribute_simd: | ||||
3867 | case OMPD_ordered: | ||||
3868 | case OMPD_target_data: { | ||||
3869 | Sema::CapturedParamNameType Params[] = { | ||||
3870 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3871 | }; | ||||
3872 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3873 | Params); | ||||
3874 | break; | ||||
3875 | } | ||||
3876 | case OMPD_task: { | ||||
3877 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3878 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3879 | QualType KmpInt32PtrTy = | ||||
3880 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3881 | QualType Args[] = {VoidPtrTy}; | ||||
3882 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3883 | EPI.Variadic = true; | ||||
3884 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3885 | Sema::CapturedParamNameType Params[] = { | ||||
3886 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3887 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3888 | std::make_pair(".privates.", VoidPtrTy), | ||||
3889 | std::make_pair( | ||||
3890 | ".copy_fn.", | ||||
3891 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3892 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3893 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3894 | }; | ||||
3895 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3896 | Params); | ||||
3897 | // Mark this captured region as inlined, because we don't use outlined | ||||
3898 | // function directly. | ||||
3899 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3900 | AlwaysInlineAttr::CreateImplicit( | ||||
3901 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3902 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3903 | break; | ||||
3904 | } | ||||
3905 | case OMPD_taskloop: | ||||
3906 | case OMPD_taskloop_simd: | ||||
3907 | case OMPD_master_taskloop: | ||||
3908 | case OMPD_master_taskloop_simd: { | ||||
3909 | QualType KmpInt32Ty = | ||||
3910 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | ||||
3911 | .withConst(); | ||||
3912 | QualType KmpUInt64Ty = | ||||
3913 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | ||||
3914 | .withConst(); | ||||
3915 | QualType KmpInt64Ty = | ||||
3916 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | ||||
3917 | .withConst(); | ||||
3918 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3919 | QualType KmpInt32PtrTy = | ||||
3920 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3921 | QualType Args[] = {VoidPtrTy}; | ||||
3922 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3923 | EPI.Variadic = true; | ||||
3924 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3925 | Sema::CapturedParamNameType Params[] = { | ||||
3926 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3927 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3928 | std::make_pair(".privates.", VoidPtrTy), | ||||
3929 | std::make_pair( | ||||
3930 | ".copy_fn.", | ||||
3931 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3932 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3933 | std::make_pair(".lb.", KmpUInt64Ty), | ||||
3934 | std::make_pair(".ub.", KmpUInt64Ty), | ||||
3935 | std::make_pair(".st.", KmpInt64Ty), | ||||
3936 | std::make_pair(".liter.", KmpInt32Ty), | ||||
3937 | std::make_pair(".reductions.", VoidPtrTy), | ||||
3938 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3939 | }; | ||||
3940 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3941 | Params); | ||||
3942 | // Mark this captured region as inlined, because we don't use outlined | ||||
3943 | // function directly. | ||||
3944 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3945 | AlwaysInlineAttr::CreateImplicit( | ||||
3946 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3947 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3948 | break; | ||||
3949 | } | ||||
3950 | case OMPD_parallel_master_taskloop: | ||||
3951 | case OMPD_parallel_master_taskloop_simd: { | ||||
3952 | QualType KmpInt32Ty = | ||||
3953 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | ||||
3954 | .withConst(); | ||||
3955 | QualType KmpUInt64Ty = | ||||
3956 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | ||||
3957 | .withConst(); | ||||
3958 | QualType KmpInt64Ty = | ||||
3959 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | ||||
3960 | .withConst(); | ||||
3961 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3962 | QualType KmpInt32PtrTy = | ||||
3963 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3964 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||
3965 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3966 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3967 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3968 | }; | ||||
3969 | // Start a captured region for 'parallel'. | ||||
3970 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3971 | ParamsParallel, /*OpenMPCaptureLevel=*/0); | ||||
3972 | QualType Args[] = {VoidPtrTy}; | ||||
3973 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3974 | EPI.Variadic = true; | ||||
3975 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3976 | Sema::CapturedParamNameType Params[] = { | ||||
3977 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3978 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3979 | std::make_pair(".privates.", VoidPtrTy), | ||||
3980 | std::make_pair( | ||||
3981 | ".copy_fn.", | ||||
3982 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3983 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3984 | std::make_pair(".lb.", KmpUInt64Ty), | ||||
3985 | std::make_pair(".ub.", KmpUInt64Ty), | ||||
3986 | std::make_pair(".st.", KmpInt64Ty), | ||||
3987 | std::make_pair(".liter.", KmpInt32Ty), | ||||
3988 | std::make_pair(".reductions.", VoidPtrTy), | ||||
3989 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3990 | }; | ||||
3991 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3992 | Params, /*OpenMPCaptureLevel=*/1); | ||||
3993 | // Mark this captured region as inlined, because we don't use outlined | ||||
3994 | // function directly. | ||||
3995 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3996 | AlwaysInlineAttr::CreateImplicit( | ||||
3997 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3998 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3999 | break; | ||||
4000 | } | ||||
4001 | case OMPD_distribute_parallel_for_simd: | ||||
4002 | case OMPD_distribute_parallel_for: { | ||||
4003 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
4004 | QualType KmpInt32PtrTy = | ||||
4005 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
4006 | Sema::CapturedParamNameType Params[] = { | ||||
4007 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
4008 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
4009 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||
4010 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||
4011 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4012 | }; | ||||
4013 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4014 | Params); | ||||
4015 | break; | ||||
4016 | } | ||||
4017 | case OMPD_target_teams_distribute_parallel_for: | ||||
4018 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||
4019 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
4020 | QualType KmpInt32PtrTy = | ||||
4021 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
4022 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
4023 | |||||
4024 | QualType Args[] = {VoidPtrTy}; | ||||
4025 | FunctionProtoType::ExtProtoInfo EPI; | ||||
4026 | EPI.Variadic = true; | ||||
4027 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
4028 | Sema::CapturedParamNameType Params[] = { | ||||
4029 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
4030 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
4031 | std::make_pair(".privates.", VoidPtrTy), | ||||
4032 | std::make_pair( | ||||
4033 | ".copy_fn.", | ||||
4034 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
4035 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
4036 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4037 | }; | ||||
4038 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4039 | Params, /*OpenMPCaptureLevel=*/0); | ||||
4040 | // Mark this captured region as inlined, because we don't use outlined | ||||
4041 | // function directly. | ||||
4042 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
4043 | AlwaysInlineAttr::CreateImplicit( | ||||
4044 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
4045 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
4046 | Sema::CapturedParamNameType ParamsTarget[] = { | ||||
4047 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4048 | }; | ||||
4049 | // Start a captured region for 'target' with no implicit parameters. | ||||
4050 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4051 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | ||||
4052 | |||||
4053 | Sema::CapturedParamNameType ParamsTeams[] = { | ||||
4054 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
4055 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
4056 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4057 | }; | ||||
4058 | // Start a captured region for 'target' with no implicit parameters. | ||||
4059 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4060 | ParamsTeams, /*OpenMPCaptureLevel=*/2); | ||||
4061 | |||||
4062 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||
4063 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
4064 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
4065 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||
4066 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||
4067 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4068 | }; | ||||
4069 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||
4070 | // the same implicit parameters. | ||||
4071 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4072 | ParamsParallel, /*OpenMPCaptureLevel=*/3); | ||||
4073 | break; | ||||
4074 | } | ||||
4075 | |||||
4076 | case OMPD_teams_distribute_parallel_for: | ||||
4077 | case OMPD_teams_distribute_parallel_for_simd: { | ||||
4078 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
4079 | QualType KmpInt32PtrTy = | ||||
4080 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
4081 | |||||
4082 | Sema::CapturedParamNameType ParamsTeams[] = { | ||||
4083 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
4084 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
4085 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4086 | }; | ||||
4087 | // Start a captured region for 'target' with no implicit parameters. | ||||
4088 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4089 | ParamsTeams, /*OpenMPCaptureLevel=*/0); | ||||
4090 | |||||
4091 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||
4092 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
4093 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
4094 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||
4095 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||
4096 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4097 | }; | ||||
4098 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||
4099 | // the same implicit parameters. | ||||
4100 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4101 | ParamsParallel, /*OpenMPCaptureLevel=*/1); | ||||
4102 | break; | ||||
4103 | } | ||||
4104 | case OMPD_target_update: | ||||
4105 | case OMPD_target_enter_data: | ||||
4106 | case OMPD_target_exit_data: { | ||||
4107 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
4108 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
4109 | QualType KmpInt32PtrTy = | ||||
4110 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
4111 | QualType Args[] = {VoidPtrTy}; | ||||
4112 | FunctionProtoType::ExtProtoInfo EPI; | ||||
4113 | EPI.Variadic = true; | ||||
4114 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
4115 | Sema::CapturedParamNameType Params[] = { | ||||
4116 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
4117 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
4118 | std::make_pair(".privates.", VoidPtrTy), | ||||
4119 | std::make_pair( | ||||
4120 | ".copy_fn.", | ||||
4121 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
4122 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
4123 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
4124 | }; | ||||
4125 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
4126 | Params); | ||||
4127 | // Mark this captured region as inlined, because we don't use outlined | ||||
4128 | // function directly. | ||||
4129 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
4130 | AlwaysInlineAttr::CreateImplicit( | ||||
4131 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
4132 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
4133 | break; | ||||
4134 | } | ||||
4135 | case OMPD_threadprivate: | ||||
4136 | case OMPD_allocate: | ||||
4137 | case OMPD_taskyield: | ||||
4138 | case OMPD_barrier: | ||||
4139 | case OMPD_taskwait: | ||||
4140 | case OMPD_cancellation_point: | ||||
4141 | case OMPD_cancel: | ||||
4142 | case OMPD_flush: | ||||
4143 | case OMPD_depobj: | ||||
4144 | case OMPD_scan: | ||||
4145 | case OMPD_declare_reduction: | ||||
4146 | case OMPD_declare_mapper: | ||||
4147 | case OMPD_declare_simd: | ||||
4148 | case OMPD_declare_target: | ||||
4149 | case OMPD_end_declare_target: | ||||
4150 | case OMPD_requires: | ||||
4151 | case OMPD_declare_variant: | ||||
4152 | case OMPD_begin_declare_variant: | ||||
4153 | case OMPD_end_declare_variant: | ||||
4154 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 4154); | ||||
4155 | case OMPD_unknown: | ||||
4156 | default: | ||||
4157 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 4157); | ||||
4158 | } | ||||
4159 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setContext(CurContext); | ||||
4160 | } | ||||
4161 | |||||
4162 | int Sema::getNumberOfConstructScopes(unsigned Level) const { | ||||
4163 | return getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||
4164 | } | ||||
4165 | |||||
4166 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { | ||||
4167 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
4168 | getOpenMPCaptureRegions(CaptureRegions, DKind); | ||||
4169 | return CaptureRegions.size(); | ||||
4170 | } | ||||
4171 | |||||
4172 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, | ||||
4173 | Expr *CaptureExpr, bool WithInit, | ||||
4174 | bool AsExpression) { | ||||
4175 | assert(CaptureExpr)((CaptureExpr) ? static_cast<void> (0) : __assert_fail ( "CaptureExpr", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 4175, __PRETTY_FUNCTION__)); | ||||
4176 | ASTContext &C = S.getASTContext(); | ||||
4177 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); | ||||
4178 | QualType Ty = Init->getType(); | ||||
4179 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { | ||||
4180 | if (S.getLangOpts().CPlusPlus) { | ||||
4181 | Ty = C.getLValueReferenceType(Ty); | ||||
4182 | } else { | ||||
4183 | Ty = C.getPointerType(Ty); | ||||
4184 | ExprResult Res = | ||||
4185 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); | ||||
4186 | if (!Res.isUsable()) | ||||
4187 | return nullptr; | ||||
4188 | Init = Res.get(); | ||||
4189 | } | ||||
4190 | WithInit = true; | ||||
4191 | } | ||||
4192 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, | ||||
4193 | CaptureExpr->getBeginLoc()); | ||||
4194 | if (!WithInit) | ||||
4195 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); | ||||
4196 | S.CurContext->addHiddenDecl(CED); | ||||
4197 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); | ||||
4198 | return CED; | ||||
4199 | } | ||||
4200 | |||||
4201 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | ||||
4202 | bool WithInit) { | ||||
4203 | OMPCapturedExprDecl *CD; | ||||
4204 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) | ||||
4205 | CD = cast<OMPCapturedExprDecl>(VD); | ||||
4206 | else | ||||
4207 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, | ||||
4208 | /*AsExpression=*/false); | ||||
4209 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | ||||
4210 | CaptureExpr->getExprLoc()); | ||||
4211 | } | ||||
4212 | |||||
4213 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { | ||||
4214 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); | ||||
4215 | if (!Ref) { | ||||
4216 | OMPCapturedExprDecl *CD = buildCaptureDecl( | ||||
4217 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, | ||||
4218 | /*WithInit=*/true, /*AsExpression=*/true); | ||||
4219 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | ||||
4220 | CaptureExpr->getExprLoc()); | ||||
4221 | } | ||||
4222 | ExprResult Res = Ref; | ||||
4223 | if (!S.getLangOpts().CPlusPlus && | ||||
4224 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && | ||||
4225 | Ref->getType()->isPointerType()) { | ||||
4226 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); | ||||
4227 | if (!Res.isUsable()) | ||||
4228 | return ExprError(); | ||||
4229 | } | ||||
4230 | return S.DefaultLvalueConversion(Res.get()); | ||||
4231 | } | ||||
4232 | |||||
4233 | namespace { | ||||
4234 | // OpenMP directives parsed in this section are represented as a | ||||
4235 | // CapturedStatement with an associated statement. If a syntax error | ||||
4236 | // is detected during the parsing of the associated statement, the | ||||
4237 | // compiler must abort processing and close the CapturedStatement. | ||||
4238 | // | ||||
4239 | // Combined directives such as 'target parallel' have more than one | ||||
4240 | // nested CapturedStatements. This RAII ensures that we unwind out | ||||
4241 | // of all the nested CapturedStatements when an error is found. | ||||
4242 | class CaptureRegionUnwinderRAII { | ||||
4243 | private: | ||||
4244 | Sema &S; | ||||
4245 | bool &ErrorFound; | ||||
4246 | OpenMPDirectiveKind DKind = OMPD_unknown; | ||||
4247 | |||||
4248 | public: | ||||
4249 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, | ||||
4250 | OpenMPDirectiveKind DKind) | ||||
4251 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} | ||||
4252 | ~CaptureRegionUnwinderRAII() { | ||||
4253 | if (ErrorFound) { | ||||
4254 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); | ||||
4255 | while (--ThisCaptureLevel >= 0) | ||||
4256 | S.ActOnCapturedRegionError(); | ||||
4257 | } | ||||
4258 | } | ||||
4259 | }; | ||||
4260 | } // namespace | ||||
4261 | |||||
4262 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { | ||||
4263 | // Capture variables captured by reference in lambdas for target-based | ||||
4264 | // directives. | ||||
4265 | if (!CurContext->isDependentContext() && | ||||
4266 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || | ||||
4267 | isOpenMPTargetDataManagementDirective( | ||||
4268 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { | ||||
4269 | QualType Type = V->getType(); | ||||
4270 | if (const auto *RD = Type.getCanonicalType() | ||||
4271 | .getNonReferenceType() | ||||
4272 | ->getAsCXXRecordDecl()) { | ||||
4273 | bool SavedForceCaptureByReferenceInTargetExecutable = | ||||
4274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); | ||||
4275 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | ||||
4276 | /*V=*/true); | ||||
4277 | if (RD->isLambda()) { | ||||
4278 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | ||||
4279 | FieldDecl *ThisCapture; | ||||
4280 | RD->getCaptureFields(Captures, ThisCapture); | ||||
4281 | for (const LambdaCapture &LC : RD->captures()) { | ||||
4282 | if (LC.getCaptureKind() == LCK_ByRef) { | ||||
4283 | VarDecl *VD = LC.getCapturedVar(); | ||||
4284 | DeclContext *VDC = VD->getDeclContext(); | ||||
4285 | if (!VDC->Encloses(CurContext)) | ||||
4286 | continue; | ||||
4287 | MarkVariableReferenced(LC.getLocation(), VD); | ||||
4288 | } else if (LC.getCaptureKind() == LCK_This) { | ||||
4289 | QualType ThisTy = getCurrentThisType(); | ||||
4290 | if (!ThisTy.isNull() && | ||||
4291 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) | ||||
4292 | CheckCXXThisCapture(LC.getLocation()); | ||||
4293 | } | ||||
4294 | } | ||||
4295 | } | ||||
4296 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | ||||
4297 | SavedForceCaptureByReferenceInTargetExecutable); | ||||
4298 | } | ||||
4299 | } | ||||
4300 | } | ||||
4301 | |||||
4302 | static bool checkOrderedOrderSpecified(Sema &S, | ||||
4303 | const ArrayRef<OMPClause *> Clauses) { | ||||
4304 | const OMPOrderedClause *Ordered = nullptr; | ||||
4305 | const OMPOrderClause *Order = nullptr; | ||||
4306 | |||||
4307 | for (const OMPClause *Clause : Clauses) { | ||||
4308 | if (Clause->getClauseKind() == OMPC_ordered) | ||||
4309 | Ordered = cast<OMPOrderedClause>(Clause); | ||||
4310 | else if (Clause->getClauseKind() == OMPC_order) { | ||||
4311 | Order = cast<OMPOrderClause>(Clause); | ||||
4312 | if (Order->getKind() != OMPC_ORDER_concurrent) | ||||
4313 | Order = nullptr; | ||||
4314 | } | ||||
4315 | if (Ordered && Order) | ||||
4316 | break; | ||||
4317 | } | ||||
4318 | |||||
4319 | if (Ordered && Order) { | ||||
4320 | S.Diag(Order->getKindKwLoc(), | ||||
4321 | diag::err_omp_simple_clause_incompatible_with_ordered) | ||||
4322 | << getOpenMPClauseName(OMPC_order) | ||||
4323 | << getOpenMPSimpleClauseTypeName(OMPC_order, OMPC_ORDER_concurrent) | ||||
4324 | << SourceRange(Order->getBeginLoc(), Order->getEndLoc()); | ||||
4325 | S.Diag(Ordered->getBeginLoc(), diag::note_omp_ordered_param) | ||||
4326 | << 0 << SourceRange(Ordered->getBeginLoc(), Ordered->getEndLoc()); | ||||
4327 | return true; | ||||
4328 | } | ||||
4329 | return false; | ||||
4330 | } | ||||
4331 | |||||
4332 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, | ||||
4333 | ArrayRef<OMPClause *> Clauses) { | ||||
4334 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_atomic || | ||||
4335 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_critical || | ||||
4336 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_section || | ||||
4337 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_master) | ||||
4338 | return S; | ||||
4339 | |||||
4340 | bool ErrorFound = false; | ||||
4341 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( | ||||
4342 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
4343 | if (!S.isUsable()) { | ||||
4344 | ErrorFound = true; | ||||
4345 | return StmtError(); | ||||
4346 | } | ||||
4347 | |||||
4348 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
4349 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
4350 | OMPOrderedClause *OC = nullptr; | ||||
4351 | OMPScheduleClause *SC = nullptr; | ||||
4352 | SmallVector<const OMPLinearClause *, 4> LCs; | ||||
4353 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; | ||||
4354 | // This is required for proper codegen. | ||||
4355 | for (OMPClause *Clause : Clauses) { | ||||
4356 | if (!LangOpts.OpenMPSimd && | ||||
4357 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||
4358 | Clause->getClauseKind() == OMPC_in_reduction) { | ||||
4359 | // Capture taskgroup task_reduction descriptors inside the tasking regions | ||||
4360 | // with the corresponding in_reduction items. | ||||
4361 | auto *IRC = cast<OMPInReductionClause>(Clause); | ||||
4362 | for (Expr *E : IRC->taskgroup_descriptors()) | ||||
4363 | if (E) | ||||
4364 | MarkDeclarationsReferencedInExpr(E); | ||||
4365 | } | ||||
4366 | if (isOpenMPPrivate(Clause->getClauseKind()) || | ||||
4367 | Clause->getClauseKind() == OMPC_copyprivate || | ||||
4368 | (getLangOpts().OpenMPUseTLS && | ||||
4369 | getASTContext().getTargetInfo().isTLSSupported() && | ||||
4370 | Clause->getClauseKind() == OMPC_copyin)) { | ||||
4371 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); | ||||
4372 | // Mark all variables in private list clauses as used in inner region. | ||||
4373 | for (Stmt *VarRef : Clause->children()) { | ||||
4374 | if (auto *E = cast_or_null<Expr>(VarRef)) { | ||||
4375 | MarkDeclarationsReferencedInExpr(E); | ||||
4376 | } | ||||
4377 | } | ||||
4378 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); | ||||
4379 | } else if (CaptureRegions.size() > 1 || | ||||
4380 | CaptureRegions.back() != OMPD_unknown) { | ||||
4381 | if (auto *C = OMPClauseWithPreInit::get(Clause)) | ||||
4382 | PICs.push_back(C); | ||||
4383 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { | ||||
4384 | if (Expr *E = C->getPostUpdateExpr()) | ||||
4385 | MarkDeclarationsReferencedInExpr(E); | ||||
4386 | } | ||||
4387 | } | ||||
4388 | if (Clause->getClauseKind() == OMPC_schedule) | ||||
4389 | SC = cast<OMPScheduleClause>(Clause); | ||||
4390 | else if (Clause->getClauseKind() == OMPC_ordered) | ||||
4391 | OC = cast<OMPOrderedClause>(Clause); | ||||
4392 | else if (Clause->getClauseKind() == OMPC_linear) | ||||
4393 | LCs.push_back(cast<OMPLinearClause>(Clause)); | ||||
4394 | } | ||||
4395 | // Capture allocator expressions if used. | ||||
4396 | for (Expr *E : DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerAllocators()) | ||||
4397 | MarkDeclarationsReferencedInExpr(E); | ||||
4398 | // OpenMP, 2.7.1 Loop Construct, Restrictions | ||||
4399 | // The nonmonotonic modifier cannot be specified if an ordered clause is | ||||
4400 | // specified. | ||||
4401 | if (SC && | ||||
4402 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | ||||
4403 | SC->getSecondScheduleModifier() == | ||||
4404 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | ||||
4405 | OC) { | ||||
4406 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic | ||||
4407 | ? SC->getFirstScheduleModifierLoc() | ||||
4408 | : SC->getSecondScheduleModifierLoc(), | ||||
4409 | diag::err_omp_simple_clause_incompatible_with_ordered) | ||||
4410 | << getOpenMPClauseName(OMPC_schedule) | ||||
4411 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, | ||||
4412 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) | ||||
4413 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | ||||
4414 | ErrorFound = true; | ||||
4415 | } | ||||
4416 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Restrictions. | ||||
4417 | // If an order(concurrent) clause is present, an ordered clause may not appear | ||||
4418 | // on the same directive. | ||||
4419 | if (checkOrderedOrderSpecified(*this, Clauses)) | ||||
4420 | ErrorFound = true; | ||||
4421 | if (!LCs.empty() && OC && OC->getNumForLoops()) { | ||||
4422 | for (const OMPLinearClause *C : LCs) { | ||||
4423 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) | ||||
4424 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | ||||
4425 | } | ||||
4426 | ErrorFound = true; | ||||
4427 | } | ||||
4428 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||
4429 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && | ||||
4430 | OC->getNumForLoops()) { | ||||
4431 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) | ||||
4432 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
4433 | ErrorFound = true; | ||||
4434 | } | ||||
4435 | if (ErrorFound) { | ||||
4436 | return StmtError(); | ||||
4437 | } | ||||
4438 | StmtResult SR = S; | ||||
4439 | unsigned CompletedRegions = 0; | ||||
4440 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { | ||||
4441 | // Mark all variables in private list clauses as used in inner region. | ||||
4442 | // Required for proper codegen of combined directives. | ||||
4443 | // TODO: add processing for other clauses. | ||||
4444 | if (ThisCaptureRegion != OMPD_unknown) { | ||||
4445 | for (const clang::OMPClauseWithPreInit *C : PICs) { | ||||
4446 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); | ||||
4447 | // Find the particular capture region for the clause if the | ||||
4448 | // directive is a combined one with multiple capture regions. | ||||
4449 | // If the directive is not a combined one, the capture region | ||||
4450 | // associated with the clause is OMPD_unknown and is generated | ||||
4451 | // only once. | ||||
4452 | if (CaptureRegion == ThisCaptureRegion || | ||||
4453 | CaptureRegion == OMPD_unknown) { | ||||
4454 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { | ||||
4455 | for (Decl *D : DS->decls()) | ||||
4456 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); | ||||
4457 | } | ||||
4458 | } | ||||
4459 | } | ||||
4460 | } | ||||
4461 | if (ThisCaptureRegion == OMPD_target) { | ||||
4462 | // Capture allocator traits in the target region. They are used implicitly | ||||
4463 | // and, thus, are not captured by default. | ||||
4464 | for (OMPClause *C : Clauses) { | ||||
4465 | if (const auto *UAC = dyn_cast<OMPUsesAllocatorsClause>(C)) { | ||||
4466 | for (unsigned I = 0, End = UAC->getNumberOfAllocators(); I < End; | ||||
4467 | ++I) { | ||||
4468 | OMPUsesAllocatorsClause::Data D = UAC->getAllocatorData(I); | ||||
4469 | if (Expr *E = D.AllocatorTraits) | ||||
4470 | MarkDeclarationsReferencedInExpr(E); | ||||
4471 | } | ||||
4472 | continue; | ||||
4473 | } | ||||
4474 | } | ||||
4475 | } | ||||
4476 | if (++CompletedRegions == CaptureRegions.size()) | ||||
4477 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); | ||||
4478 | SR = ActOnCapturedRegionEnd(SR.get()); | ||||
4479 | } | ||||
4480 | return SR; | ||||
4481 | } | ||||
4482 | |||||
4483 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, | ||||
4484 | OpenMPDirectiveKind CancelRegion, | ||||
4485 | SourceLocation StartLoc) { | ||||
4486 | // CancelRegion is only needed for cancel and cancellation_point. | ||||
4487 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) | ||||
4488 | return false; | ||||
4489 | |||||
4490 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || | ||||
4491 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) | ||||
4492 | return false; | ||||
4493 | |||||
4494 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) | ||||
4495 | << getOpenMPDirectiveName(CancelRegion); | ||||
4496 | return true; | ||||
4497 | } | ||||
4498 | |||||
4499 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, | ||||
4500 | OpenMPDirectiveKind CurrentRegion, | ||||
4501 | const DeclarationNameInfo &CurrentName, | ||||
4502 | OpenMPDirectiveKind CancelRegion, | ||||
4503 | SourceLocation StartLoc) { | ||||
4504 | if (Stack->getCurScope()) { | ||||
4505 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); | ||||
4506 | OpenMPDirectiveKind OffendingRegion = ParentRegion; | ||||
4507 | bool NestingProhibited = false; | ||||
4508 | bool CloseNesting = true; | ||||
4509 | bool OrphanSeen = false; | ||||
4510 | enum { | ||||
4511 | NoRecommend, | ||||
4512 | ShouldBeInParallelRegion, | ||||
4513 | ShouldBeInOrderedRegion, | ||||
4514 | ShouldBeInTargetRegion, | ||||
4515 | ShouldBeInTeamsRegion, | ||||
4516 | ShouldBeInLoopSimdRegion, | ||||
4517 | } Recommend = NoRecommend; | ||||
4518 | if (isOpenMPSimdDirective(ParentRegion) && | ||||
4519 | ((SemaRef.LangOpts.OpenMP <= 45 && CurrentRegion != OMPD_ordered) || | ||||
4520 | (SemaRef.LangOpts.OpenMP >= 50 && CurrentRegion != OMPD_ordered && | ||||
4521 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_atomic && | ||||
4522 | CurrentRegion != OMPD_scan))) { | ||||
4523 | // OpenMP [2.16, Nesting of Regions] | ||||
4524 | // OpenMP constructs may not be nested inside a simd region. | ||||
4525 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||
4526 | // An ordered construct with the simd clause is the only OpenMP | ||||
4527 | // construct that can appear in the simd region. | ||||
4528 | // Allowing a SIMD construct nested in another SIMD construct is an | ||||
4529 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning | ||||
4530 | // message. | ||||
4531 | // OpenMP 5.0 [2.9.3.1, simd Construct, Restrictions] | ||||
4532 | // The only OpenMP constructs that can be encountered during execution of | ||||
4533 | // a simd region are the atomic construct, the loop construct, the simd | ||||
4534 | // construct and the ordered construct with the simd clause. | ||||
4535 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) | ||||
4536 | ? diag::err_omp_prohibited_region_simd | ||||
4537 | : diag::warn_omp_nesting_simd) | ||||
4538 | << (SemaRef.LangOpts.OpenMP >= 50 ? 1 : 0); | ||||
4539 | return CurrentRegion != OMPD_simd; | ||||
4540 | } | ||||
4541 | if (ParentRegion == OMPD_atomic) { | ||||
4542 | // OpenMP [2.16, Nesting of Regions] | ||||
4543 | // OpenMP constructs may not be nested inside an atomic region. | ||||
4544 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); | ||||
4545 | return true; | ||||
4546 | } | ||||
4547 | if (CurrentRegion == OMPD_section) { | ||||
4548 | // OpenMP [2.7.2, sections Construct, Restrictions] | ||||
4549 | // Orphaned section directives are prohibited. That is, the section | ||||
4550 | // directives must appear within the sections construct and must not be | ||||
4551 | // encountered elsewhere in the sections region. | ||||
4552 | if (ParentRegion != OMPD_sections && | ||||
4553 | ParentRegion != OMPD_parallel_sections) { | ||||
4554 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) | ||||
4555 | << (ParentRegion != OMPD_unknown) | ||||
4556 | << getOpenMPDirectiveName(ParentRegion); | ||||
4557 | return true; | ||||
4558 | } | ||||
4559 | return false; | ||||
4560 | } | ||||
4561 | // Allow some constructs (except teams and cancellation constructs) to be | ||||
4562 | // orphaned (they could be used in functions, called from OpenMP regions | ||||
4563 | // with the required preconditions). | ||||
4564 | if (ParentRegion == OMPD_unknown && | ||||
4565 | !isOpenMPNestingTeamsDirective(CurrentRegion) && | ||||
4566 | CurrentRegion != OMPD_cancellation_point && | ||||
4567 | CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_scan) | ||||
4568 | return false; | ||||
4569 | if (CurrentRegion == OMPD_cancellation_point || | ||||
4570 | CurrentRegion == OMPD_cancel) { | ||||
4571 | // OpenMP [2.16, Nesting of Regions] | ||||
4572 | // A cancellation point construct for which construct-type-clause is | ||||
4573 | // taskgroup must be nested inside a task construct. A cancellation | ||||
4574 | // point construct for which construct-type-clause is not taskgroup must | ||||
4575 | // be closely nested inside an OpenMP construct that matches the type | ||||
4576 | // specified in construct-type-clause. | ||||
4577 | // A cancel construct for which construct-type-clause is taskgroup must be | ||||
4578 | // nested inside a task construct. A cancel construct for which | ||||
4579 | // construct-type-clause is not taskgroup must be closely nested inside an | ||||
4580 | // OpenMP construct that matches the type specified in | ||||
4581 | // construct-type-clause. | ||||
4582 | NestingProhibited = | ||||
4583 | !((CancelRegion == OMPD_parallel && | ||||
4584 | (ParentRegion == OMPD_parallel || | ||||
4585 | ParentRegion == OMPD_target_parallel)) || | ||||
4586 | (CancelRegion == OMPD_for && | ||||
4587 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || | ||||
4588 | ParentRegion == OMPD_target_parallel_for || | ||||
4589 | ParentRegion == OMPD_distribute_parallel_for || | ||||
4590 | ParentRegion == OMPD_teams_distribute_parallel_for || | ||||
4591 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || | ||||
4592 | (CancelRegion == OMPD_taskgroup && | ||||
4593 | (ParentRegion == OMPD_task || | ||||
4594 | (SemaRef.getLangOpts().OpenMP >= 50 && | ||||
4595 | (ParentRegion == OMPD_taskloop || | ||||
4596 | ParentRegion == OMPD_master_taskloop || | ||||
4597 | ParentRegion == OMPD_parallel_master_taskloop)))) || | ||||
4598 | (CancelRegion == OMPD_sections && | ||||
4599 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || | ||||
4600 | ParentRegion == OMPD_parallel_sections))); | ||||
4601 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||
4602 | } else if (CurrentRegion == OMPD_master) { | ||||
4603 | // OpenMP [2.16, Nesting of Regions] | ||||
4604 | // A master region may not be closely nested inside a worksharing, | ||||
4605 | // atomic, or explicit task region. | ||||
4606 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | ||||
4607 | isOpenMPTaskingDirective(ParentRegion); | ||||
4608 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { | ||||
4609 | // OpenMP [2.16, Nesting of Regions] | ||||
4610 | // A critical region may not be nested (closely or otherwise) inside a | ||||
4611 | // critical region with the same name. Note that this restriction is not | ||||
4612 | // sufficient to prevent deadlock. | ||||
4613 | SourceLocation PreviousCriticalLoc; | ||||
4614 | bool DeadLock = Stack->hasDirective( | ||||
4615 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, | ||||
4616 | const DeclarationNameInfo &DNI, | ||||
4617 | SourceLocation Loc) { | ||||
4618 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { | ||||
4619 | PreviousCriticalLoc = Loc; | ||||
4620 | return true; | ||||
4621 | } | ||||
4622 | return false; | ||||
4623 | }, | ||||
4624 | false /* skip top directive */); | ||||
4625 | if (DeadLock) { | ||||
4626 | SemaRef.Diag(StartLoc, | ||||
4627 | diag::err_omp_prohibited_region_critical_same_name) | ||||
4628 | << CurrentName.getName(); | ||||
4629 | if (PreviousCriticalLoc.isValid()) | ||||
4630 | SemaRef.Diag(PreviousCriticalLoc, | ||||
4631 | diag::note_omp_previous_critical_region); | ||||
4632 | return true; | ||||
4633 | } | ||||
4634 | } else if (CurrentRegion == OMPD_barrier) { | ||||
4635 | // OpenMP [2.16, Nesting of Regions] | ||||
4636 | // A barrier region may not be closely nested inside a worksharing, | ||||
4637 | // explicit task, critical, ordered, atomic, or master region. | ||||
4638 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | ||||
4639 | isOpenMPTaskingDirective(ParentRegion) || | ||||
4640 | ParentRegion == OMPD_master || | ||||
4641 | ParentRegion == OMPD_parallel_master || | ||||
4642 | ParentRegion == OMPD_critical || | ||||
4643 | ParentRegion == OMPD_ordered; | ||||
4644 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && | ||||
4645 | !isOpenMPParallelDirective(CurrentRegion) && | ||||
4646 | !isOpenMPTeamsDirective(CurrentRegion)) { | ||||
4647 | // OpenMP [2.16, Nesting of Regions] | ||||
4648 | // A worksharing region may not be closely nested inside a worksharing, | ||||
4649 | // explicit task, critical, ordered, atomic, or master region. | ||||
4650 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | ||||
4651 | isOpenMPTaskingDirective(ParentRegion) || | ||||
4652 | ParentRegion == OMPD_master || | ||||
4653 | ParentRegion == OMPD_parallel_master || | ||||
4654 | ParentRegion == OMPD_critical || | ||||
4655 | ParentRegion == OMPD_ordered; | ||||
4656 | Recommend = ShouldBeInParallelRegion; | ||||
4657 | } else if (CurrentRegion == OMPD_ordered) { | ||||
4658 | // OpenMP [2.16, Nesting of Regions] | ||||
4659 | // An ordered region may not be closely nested inside a critical, | ||||
4660 | // atomic, or explicit task region. | ||||
4661 | // An ordered region must be closely nested inside a loop region (or | ||||
4662 | // parallel loop region) with an ordered clause. | ||||
4663 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||
4664 | // An ordered construct with the simd clause is the only OpenMP construct | ||||
4665 | // that can appear in the simd region. | ||||
4666 | NestingProhibited = ParentRegion == OMPD_critical || | ||||
4667 | isOpenMPTaskingDirective(ParentRegion) || | ||||
4668 | !(isOpenMPSimdDirective(ParentRegion) || | ||||
4669 | Stack->isParentOrderedRegion()); | ||||
4670 | Recommend = ShouldBeInOrderedRegion; | ||||
4671 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { | ||||
4672 | // OpenMP [2.16, Nesting of Regions] | ||||
4673 | // If specified, a teams construct must be contained within a target | ||||
4674 | // construct. | ||||
4675 | NestingProhibited = | ||||
4676 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || | ||||
4677 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && | ||||
4678 | ParentRegion != OMPD_target); | ||||
4679 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||
4680 | Recommend = ShouldBeInTargetRegion; | ||||
4681 | } else if (CurrentRegion == OMPD_scan) { | ||||
4682 | // OpenMP [2.16, Nesting of Regions] | ||||
4683 | // If specified, a teams construct must be contained within a target | ||||
4684 | // construct. | ||||
4685 | NestingProhibited = | ||||
4686 | SemaRef.LangOpts.OpenMP < 50 || | ||||
4687 | (ParentRegion != OMPD_simd && ParentRegion != OMPD_for && | ||||
4688 | ParentRegion != OMPD_for_simd && ParentRegion != OMPD_parallel_for && | ||||
4689 | ParentRegion != OMPD_parallel_for_simd); | ||||
4690 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||
4691 | Recommend = ShouldBeInLoopSimdRegion; | ||||
4692 | } | ||||
4693 | if (!NestingProhibited && | ||||
4694 | !isOpenMPTargetExecutionDirective(CurrentRegion) && | ||||
4695 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && | ||||
4696 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { | ||||
4697 | // OpenMP [2.16, Nesting of Regions] | ||||
4698 | // distribute, parallel, parallel sections, parallel workshare, and the | ||||
4699 | // parallel loop and parallel loop SIMD constructs are the only OpenMP | ||||
4700 | // constructs that can be closely nested in the teams region. | ||||
4701 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && | ||||
4702 | !isOpenMPDistributeDirective(CurrentRegion); | ||||
4703 | Recommend = ShouldBeInParallelRegion; | ||||
4704 | } | ||||
4705 | if (!NestingProhibited && | ||||
4706 | isOpenMPNestingDistributeDirective(CurrentRegion)) { | ||||
4707 | // OpenMP 4.5 [2.17 Nesting of Regions] | ||||
4708 | // The region associated with the distribute construct must be strictly | ||||
4709 | // nested inside a teams region | ||||
4710 | NestingProhibited = | ||||
4711 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); | ||||
4712 | Recommend = ShouldBeInTeamsRegion; | ||||
4713 | } | ||||
4714 | if (!NestingProhibited && | ||||
4715 | (isOpenMPTargetExecutionDirective(CurrentRegion) || | ||||
4716 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { | ||||
4717 | // OpenMP 4.5 [2.17 Nesting of Regions] | ||||
4718 | // If a target, target update, target data, target enter data, or | ||||
4719 | // target exit data construct is encountered during execution of a | ||||
4720 | // target region, the behavior is unspecified. | ||||
4721 | NestingProhibited = Stack->hasDirective( | ||||
4722 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, | ||||
4723 | SourceLocation) { | ||||
4724 | if (isOpenMPTargetExecutionDirective(K)) { | ||||
4725 | OffendingRegion = K; | ||||
4726 | return true; | ||||
4727 | } | ||||
4728 | return false; | ||||
4729 | }, | ||||
4730 | false /* don't skip top directive */); | ||||
4731 | CloseNesting = false; | ||||
4732 | } | ||||
4733 | if (NestingProhibited) { | ||||
4734 | if (OrphanSeen) { | ||||
4735 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) | ||||
4736 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; | ||||
4737 | } else { | ||||
4738 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) | ||||
4739 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) | ||||
4740 | << Recommend << getOpenMPDirectiveName(CurrentRegion); | ||||
4741 | } | ||||
4742 | return true; | ||||
4743 | } | ||||
4744 | } | ||||
4745 | return false; | ||||
4746 | } | ||||
4747 | |||||
4748 | struct Kind2Unsigned { | ||||
4749 | using argument_type = OpenMPDirectiveKind; | ||||
4750 | unsigned operator()(argument_type DK) { return unsigned(DK); } | ||||
4751 | }; | ||||
4752 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, | ||||
4753 | ArrayRef<OMPClause *> Clauses, | ||||
4754 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { | ||||
4755 | bool ErrorFound = false; | ||||
4756 | unsigned NamedModifiersNumber = 0; | ||||
4757 | llvm::IndexedMap<const OMPIfClause *, Kind2Unsigned> FoundNameModifiers; | ||||
4758 | FoundNameModifiers.resize(llvm::omp::Directive_enumSize + 1); | ||||
4759 | SmallVector<SourceLocation, 4> NameModifierLoc; | ||||
4760 | for (const OMPClause *C : Clauses) { | ||||
4761 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { | ||||
4762 | // At most one if clause without a directive-name-modifier can appear on | ||||
4763 | // the directive. | ||||
4764 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); | ||||
4765 | if (FoundNameModifiers[CurNM]) { | ||||
4766 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | ||||
4767 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) | ||||
4768 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); | ||||
4769 | ErrorFound = true; | ||||
4770 | } else if (CurNM != OMPD_unknown) { | ||||
4771 | NameModifierLoc.push_back(IC->getNameModifierLoc()); | ||||
4772 | ++NamedModifiersNumber; | ||||
4773 | } | ||||
4774 | FoundNameModifiers[CurNM] = IC; | ||||
4775 | if (CurNM == OMPD_unknown) | ||||
4776 | continue; | ||||
4777 | // Check if the specified name modifier is allowed for the current | ||||
4778 | // directive. | ||||
4779 | // At most one if clause with the particular directive-name-modifier can | ||||
4780 | // appear on the directive. | ||||
4781 | bool MatchFound = false; | ||||
4782 | for (auto NM : AllowedNameModifiers) { | ||||
4783 | if (CurNM == NM) { | ||||
4784 | MatchFound = true; | ||||
4785 | break; | ||||
4786 | } | ||||
4787 | } | ||||
4788 | if (!MatchFound) { | ||||
4789 | S.Diag(IC->getNameModifierLoc(), | ||||
4790 | diag::err_omp_wrong_if_directive_name_modifier) | ||||
4791 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); | ||||
4792 | ErrorFound = true; | ||||
4793 | } | ||||
4794 | } | ||||
4795 | } | ||||
4796 | // If any if clause on the directive includes a directive-name-modifier then | ||||
4797 | // all if clauses on the directive must include a directive-name-modifier. | ||||
4798 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { | ||||
4799 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { | ||||
4800 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), | ||||
4801 | diag::err_omp_no_more_if_clause); | ||||
4802 | } else { | ||||
4803 | std::string Values; | ||||
4804 | std::string Sep(", "); | ||||
4805 | unsigned AllowedCnt = 0; | ||||
4806 | unsigned TotalAllowedNum = | ||||
4807 | AllowedNameModifiers.size() - NamedModifiersNumber; | ||||
4808 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; | ||||
4809 | ++Cnt) { | ||||
4810 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; | ||||
4811 | if (!FoundNameModifiers[NM]) { | ||||
4812 | Values += "'"; | ||||
4813 | Values += getOpenMPDirectiveName(NM); | ||||
4814 | Values += "'"; | ||||
4815 | if (AllowedCnt + 2 == TotalAllowedNum) | ||||
4816 | Values += " or "; | ||||
4817 | else if (AllowedCnt + 1 != TotalAllowedNum) | ||||
4818 | Values += Sep; | ||||
4819 | ++AllowedCnt; | ||||
4820 | } | ||||
4821 | } | ||||
4822 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), | ||||
4823 | diag::err_omp_unnamed_if_clause) | ||||
4824 | << (TotalAllowedNum > 1) << Values; | ||||
4825 | } | ||||
4826 | for (SourceLocation Loc : NameModifierLoc) { | ||||
4827 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); | ||||
4828 | } | ||||
4829 | ErrorFound = true; | ||||
4830 | } | ||||
4831 | return ErrorFound; | ||||
4832 | } | ||||
4833 | |||||
4834 | static std::pair<ValueDecl *, bool> getPrivateItem(Sema &S, Expr *&RefExpr, | ||||
4835 | SourceLocation &ELoc, | ||||
4836 | SourceRange &ERange, | ||||
4837 | bool AllowArraySection) { | ||||
4838 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || | ||||
4839 | RefExpr->containsUnexpandedParameterPack()) | ||||
4840 | return std::make_pair(nullptr, true); | ||||
4841 | |||||
4842 | // OpenMP [3.1, C/C++] | ||||
4843 | // A list item is a variable name. | ||||
4844 | // OpenMP [2.9.3.3, Restrictions, p.1] | ||||
4845 | // A variable that is part of another variable (as an array or | ||||
4846 | // structure element) cannot appear in a private clause. | ||||
4847 | RefExpr = RefExpr->IgnoreParens(); | ||||
4848 | enum { | ||||
4849 | NoArrayExpr = -1, | ||||
4850 | ArraySubscript = 0, | ||||
4851 | OMPArraySection = 1 | ||||
4852 | } IsArrayExpr = NoArrayExpr; | ||||
4853 | if (AllowArraySection) { | ||||
4854 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { | ||||
4855 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | ||||
4856 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||
4857 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
4858 | RefExpr = Base; | ||||
4859 | IsArrayExpr = ArraySubscript; | ||||
4860 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { | ||||
4861 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||
4862 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | ||||
4863 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||
4864 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||
4865 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
4866 | RefExpr = Base; | ||||
4867 | IsArrayExpr = OMPArraySection; | ||||
4868 | } | ||||
4869 | } | ||||
4870 | ELoc = RefExpr->getExprLoc(); | ||||
4871 | ERange = RefExpr->getSourceRange(); | ||||
4872 | RefExpr = RefExpr->IgnoreParenImpCasts(); | ||||
4873 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); | ||||
4874 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); | ||||
4875 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && | ||||
4876 | (S.getCurrentThisType().isNull() || !ME || | ||||
4877 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || | ||||
4878 | !isa<FieldDecl>(ME->getMemberDecl()))) { | ||||
4879 | if (IsArrayExpr != NoArrayExpr) { | ||||
4880 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr | ||||
4881 | << ERange; | ||||
4882 | } else { | ||||
4883 | S.Diag(ELoc, | ||||
4884 | AllowArraySection | ||||
4885 | ? diag::err_omp_expected_var_name_member_expr_or_array_item | ||||
4886 | : diag::err_omp_expected_var_name_member_expr) | ||||
4887 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; | ||||
4888 | } | ||||
4889 | return std::make_pair(nullptr, false); | ||||
4890 | } | ||||
4891 | return std::make_pair( | ||||
4892 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); | ||||
4893 | } | ||||
4894 | |||||
4895 | namespace { | ||||
4896 | /// Checks if the allocator is used in uses_allocators clause to be allowed in | ||||
4897 | /// target regions. | ||||
4898 | class AllocatorChecker final : public ConstStmtVisitor<AllocatorChecker, bool> { | ||||
4899 | DSAStackTy *S = nullptr; | ||||
4900 | |||||
4901 | public: | ||||
4902 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||
4903 | return S->isUsesAllocatorsDecl(E->getDecl()) | ||||
4904 | .getValueOr( | ||||
4905 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == | ||||
4906 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait; | ||||
4907 | } | ||||
4908 | bool VisitStmt(const Stmt *S) { | ||||
4909 | for (const Stmt *Child : S->children()) { | ||||
4910 | if (Child && Visit(Child)) | ||||
4911 | return true; | ||||
4912 | } | ||||
4913 | return false; | ||||
4914 | } | ||||
4915 | explicit AllocatorChecker(DSAStackTy *S) : S(S) {} | ||||
4916 | }; | ||||
4917 | } // namespace | ||||
4918 | |||||
4919 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | ||||
4920 | ArrayRef<OMPClause *> Clauses) { | ||||
4921 | assert(!S.CurContext->isDependentContext() &&((!S.CurContext->isDependentContext() && "Expected non-dependent context." ) ? static_cast<void> (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 4922, __PRETTY_FUNCTION__)) | ||||
4922 | "Expected non-dependent context.")((!S.CurContext->isDependentContext() && "Expected non-dependent context." ) ? static_cast<void> (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 4922, __PRETTY_FUNCTION__)); | ||||
4923 | auto AllocateRange = | ||||
4924 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); | ||||
4925 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> | ||||
4926 | DeclToCopy; | ||||
4927 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { | ||||
4928 | return isOpenMPPrivate(C->getClauseKind()); | ||||
4929 | }); | ||||
4930 | for (OMPClause *Cl : PrivateRange) { | ||||
4931 | MutableArrayRef<Expr *>::iterator I, It, Et; | ||||
4932 | if (Cl->getClauseKind() == OMPC_private) { | ||||
4933 | auto *PC = cast<OMPPrivateClause>(Cl); | ||||
4934 | I = PC->private_copies().begin(); | ||||
4935 | It = PC->varlist_begin(); | ||||
4936 | Et = PC->varlist_end(); | ||||
4937 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { | ||||
4938 | auto *PC = cast<OMPFirstprivateClause>(Cl); | ||||
4939 | I = PC->private_copies().begin(); | ||||
4940 | It = PC->varlist_begin(); | ||||
4941 | Et = PC->varlist_end(); | ||||
4942 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { | ||||
4943 | auto *PC = cast<OMPLastprivateClause>(Cl); | ||||
4944 | I = PC->private_copies().begin(); | ||||
4945 | It = PC->varlist_begin(); | ||||
4946 | Et = PC->varlist_end(); | ||||
4947 | } else if (Cl->getClauseKind() == OMPC_linear) { | ||||
4948 | auto *PC = cast<OMPLinearClause>(Cl); | ||||
4949 | I = PC->privates().begin(); | ||||
4950 | It = PC->varlist_begin(); | ||||
4951 | Et = PC->varlist_end(); | ||||
4952 | } else if (Cl->getClauseKind() == OMPC_reduction) { | ||||
4953 | auto *PC = cast<OMPReductionClause>(Cl); | ||||
4954 | I = PC->privates().begin(); | ||||
4955 | It = PC->varlist_begin(); | ||||
4956 | Et = PC->varlist_end(); | ||||
4957 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { | ||||
4958 | auto *PC = cast<OMPTaskReductionClause>(Cl); | ||||
4959 | I = PC->privates().begin(); | ||||
4960 | It = PC->varlist_begin(); | ||||
4961 | Et = PC->varlist_end(); | ||||
4962 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { | ||||
4963 | auto *PC = cast<OMPInReductionClause>(Cl); | ||||
4964 | I = PC->privates().begin(); | ||||
4965 | It = PC->varlist_begin(); | ||||
4966 | Et = PC->varlist_end(); | ||||
4967 | } else { | ||||
4968 | llvm_unreachable("Expected private clause.")::llvm::llvm_unreachable_internal("Expected private clause.", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 4968); | ||||
4969 | } | ||||
4970 | for (Expr *E : llvm::make_range(It, Et)) { | ||||
4971 | if (!*I) { | ||||
4972 | ++I; | ||||
4973 | continue; | ||||
4974 | } | ||||
4975 | SourceLocation ELoc; | ||||
4976 | SourceRange ERange; | ||||
4977 | Expr *SimpleRefExpr = E; | ||||
4978 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||
4979 | /*AllowArraySection=*/true); | ||||
4980 | DeclToCopy.try_emplace(Res.first, | ||||
4981 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); | ||||
4982 | ++I; | ||||
4983 | } | ||||
4984 | } | ||||
4985 | for (OMPClause *C : AllocateRange) { | ||||
4986 | auto *AC = cast<OMPAllocateClause>(C); | ||||
4987 | if (S.getLangOpts().OpenMP >= 50 && | ||||
4988 | !Stack->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>() && | ||||
4989 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||
4990 | AC->getAllocator()) { | ||||
4991 | Expr *Allocator = AC->getAllocator(); | ||||
4992 | // OpenMP, 2.12.5 target Construct | ||||
4993 | // Memory allocators that do not appear in a uses_allocators clause cannot | ||||
4994 | // appear as an allocator in an allocate clause or be used in the target | ||||
4995 | // region unless a requires directive with the dynamic_allocators clause | ||||
4996 | // is present in the same compilation unit. | ||||
4997 | AllocatorChecker Checker(Stack); | ||||
4998 | if (Checker.Visit(Allocator)) | ||||
4999 | S.Diag(Allocator->getExprLoc(), | ||||
5000 | diag::err_omp_allocator_not_in_uses_allocators) | ||||
5001 | << Allocator->getSourceRange(); | ||||
5002 | } | ||||
5003 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | ||||
5004 | getAllocatorKind(S, Stack, AC->getAllocator()); | ||||
5005 | // OpenMP, 2.11.4 allocate Clause, Restrictions. | ||||
5006 | // For task, taskloop or target directives, allocation requests to memory | ||||
5007 | // allocators with the trait access set to thread result in unspecified | ||||
5008 | // behavior. | ||||
5009 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && | ||||
5010 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | ||||
5011 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { | ||||
5012 | S.Diag(AC->getAllocator()->getExprLoc(), | ||||
5013 | diag::warn_omp_allocate_thread_on_task_target_directive) | ||||
5014 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | ||||
5015 | } | ||||
5016 | for (Expr *E : AC->varlists()) { | ||||
5017 | SourceLocation ELoc; | ||||
5018 | SourceRange ERange; | ||||
5019 | Expr *SimpleRefExpr = E; | ||||
5020 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); | ||||
5021 | ValueDecl *VD = Res.first; | ||||
5022 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||
5023 | if (!isOpenMPPrivate(Data.CKind)) { | ||||
5024 | S.Diag(E->getExprLoc(), | ||||
5025 | diag::err_omp_expected_private_copy_for_allocate); | ||||
5026 | continue; | ||||
5027 | } | ||||
5028 | VarDecl *PrivateVD = DeclToCopy[VD]; | ||||
5029 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, | ||||
5030 | AllocatorKind, AC->getAllocator())) | ||||
5031 | continue; | ||||
5032 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), | ||||
5033 | E->getSourceRange()); | ||||
5034 | } | ||||
5035 | } | ||||
5036 | } | ||||
5037 | |||||
5038 | StmtResult Sema::ActOnOpenMPExecutableDirective( | ||||
5039 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, | ||||
5040 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, | ||||
5041 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | ||||
5042 | StmtResult Res = StmtError(); | ||||
5043 | // First check CancelRegion which is then used in checkNestingOfRegions. | ||||
5044 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || | ||||
5045 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, | ||||
5046 | StartLoc)) | ||||
5047 | return StmtError(); | ||||
5048 | |||||
5049 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; | ||||
5050 | VarsWithInheritedDSAType VarsWithInheritedDSA; | ||||
5051 | bool ErrorFound = false; | ||||
5052 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); | ||||
5053 | if (AStmt && !CurContext->isDependentContext() && Kind != OMPD_atomic && | ||||
5054 | Kind != OMPD_critical && Kind != OMPD_section && Kind != OMPD_master) { | ||||
5055 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5055, __PRETTY_FUNCTION__)); | ||||
5056 | |||||
5057 | // Check default data sharing attributes for referenced variables. | ||||
5058 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); | ||||
5059 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); | ||||
5060 | Stmt *S = AStmt; | ||||
5061 | while (--ThisCaptureLevel >= 0) | ||||
5062 | S = cast<CapturedStmt>(S)->getCapturedStmt(); | ||||
5063 | DSAChecker.Visit(S); | ||||
5064 | if (!isOpenMPTargetDataManagementDirective(Kind) && | ||||
5065 | !isOpenMPTaskingDirective(Kind)) { | ||||
5066 | // Visit subcaptures to generate implicit clauses for captured vars. | ||||
5067 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
5068 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
5069 | getOpenMPCaptureRegions(CaptureRegions, Kind); | ||||
5070 | // Ignore outer tasking regions for target directives. | ||||
5071 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) | ||||
5072 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
5073 | DSAChecker.visitSubCaptures(CS); | ||||
5074 | } | ||||
5075 | if (DSAChecker.isErrorFound()) | ||||
5076 | return StmtError(); | ||||
5077 | // Generate list of implicitly defined firstprivate variables. | ||||
5078 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); | ||||
5079 | |||||
5080 | SmallVector<Expr *, 4> ImplicitFirstprivates( | ||||
5081 | DSAChecker.getImplicitFirstprivate().begin(), | ||||
5082 | DSAChecker.getImplicitFirstprivate().end()); | ||||
5083 | SmallVector<Expr *, 4> ImplicitMaps[OMPC_MAP_delete]; | ||||
5084 | for (unsigned I = 0; I < OMPC_MAP_delete; ++I) { | ||||
5085 | ArrayRef<Expr *> ImplicitMap = | ||||
5086 | DSAChecker.getImplicitMap(static_cast<OpenMPDefaultmapClauseKind>(I)); | ||||
5087 | ImplicitMaps[I].append(ImplicitMap.begin(), ImplicitMap.end()); | ||||
5088 | } | ||||
5089 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. | ||||
5090 | for (OMPClause *C : Clauses) { | ||||
5091 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { | ||||
5092 | for (Expr *E : IRC->taskgroup_descriptors()) | ||||
5093 | if (E) | ||||
5094 | ImplicitFirstprivates.emplace_back(E); | ||||
5095 | } | ||||
5096 | // OpenMP 5.0, 2.10.1 task Construct | ||||
5097 | // [detach clause]... The event-handle will be considered as if it was | ||||
5098 | // specified on a firstprivate clause. | ||||
5099 | if (auto *DC = dyn_cast<OMPDetachClause>(C)) | ||||
5100 | ImplicitFirstprivates.push_back(DC->getEventHandler()); | ||||
5101 | } | ||||
5102 | if (!ImplicitFirstprivates.empty()) { | ||||
5103 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( | ||||
5104 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), | ||||
5105 | SourceLocation())) { | ||||
5106 | ClausesWithImplicit.push_back(Implicit); | ||||
5107 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != | ||||
5108 | ImplicitFirstprivates.size(); | ||||
5109 | } else { | ||||
5110 | ErrorFound = true; | ||||
5111 | } | ||||
5112 | } | ||||
5113 | int ClauseKindCnt = -1; | ||||
5114 | for (ArrayRef<Expr *> ImplicitMap : ImplicitMaps) { | ||||
5115 | ++ClauseKindCnt; | ||||
5116 | if (ImplicitMap.empty()) | ||||
5117 | continue; | ||||
5118 | CXXScopeSpec MapperIdScopeSpec; | ||||
5119 | DeclarationNameInfo MapperId; | ||||
5120 | auto Kind = static_cast<OpenMPMapClauseKind>(ClauseKindCnt); | ||||
5121 | if (OMPClause *Implicit = ActOnOpenMPMapClause( | ||||
5122 | llvm::None, llvm::None, MapperIdScopeSpec, MapperId, Kind, | ||||
5123 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), | ||||
5124 | ImplicitMap, OMPVarListLocTy())) { | ||||
5125 | ClausesWithImplicit.emplace_back(Implicit); | ||||
5126 | ErrorFound |= | ||||
5127 | cast<OMPMapClause>(Implicit)->varlist_size() != ImplicitMap.size(); | ||||
5128 | } else { | ||||
5129 | ErrorFound = true; | ||||
5130 | } | ||||
5131 | } | ||||
5132 | } | ||||
5133 | |||||
5134 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; | ||||
5135 | switch (Kind) { | ||||
5136 | case OMPD_parallel: | ||||
5137 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5138 | EndLoc); | ||||
5139 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5140 | break; | ||||
5141 | case OMPD_simd: | ||||
5142 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | ||||
5143 | VarsWithInheritedDSA); | ||||
5144 | if (LangOpts.OpenMP >= 50) | ||||
5145 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5146 | break; | ||||
5147 | case OMPD_for: | ||||
5148 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | ||||
5149 | VarsWithInheritedDSA); | ||||
5150 | break; | ||||
5151 | case OMPD_for_simd: | ||||
5152 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5153 | EndLoc, VarsWithInheritedDSA); | ||||
5154 | if (LangOpts.OpenMP >= 50) | ||||
5155 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5156 | break; | ||||
5157 | case OMPD_sections: | ||||
5158 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5159 | EndLoc); | ||||
5160 | break; | ||||
5161 | case OMPD_section: | ||||
5162 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5163, __PRETTY_FUNCTION__)) | ||||
5163 | "No clauses are allowed for 'omp section' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5163, __PRETTY_FUNCTION__)); | ||||
5164 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); | ||||
5165 | break; | ||||
5166 | case OMPD_single: | ||||
5167 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5168 | EndLoc); | ||||
5169 | break; | ||||
5170 | case OMPD_master: | ||||
5171 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5172, __PRETTY_FUNCTION__)) | ||||
5172 | "No clauses are allowed for 'omp master' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5172, __PRETTY_FUNCTION__)); | ||||
5173 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); | ||||
5174 | break; | ||||
5175 | case OMPD_critical: | ||||
5176 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, | ||||
5177 | StartLoc, EndLoc); | ||||
5178 | break; | ||||
5179 | case OMPD_parallel_for: | ||||
5180 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5181 | EndLoc, VarsWithInheritedDSA); | ||||
5182 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5183 | break; | ||||
5184 | case OMPD_parallel_for_simd: | ||||
5185 | Res = ActOnOpenMPParallelForSimdDirective( | ||||
5186 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5187 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5188 | if (LangOpts.OpenMP >= 50) | ||||
5189 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5190 | break; | ||||
5191 | case OMPD_parallel_master: | ||||
5192 | Res = ActOnOpenMPParallelMasterDirective(ClausesWithImplicit, AStmt, | ||||
5193 | StartLoc, EndLoc); | ||||
5194 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5195 | break; | ||||
5196 | case OMPD_parallel_sections: | ||||
5197 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, | ||||
5198 | StartLoc, EndLoc); | ||||
5199 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5200 | break; | ||||
5201 | case OMPD_task: | ||||
5202 | Res = | ||||
5203 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | ||||
5204 | AllowedNameModifiers.push_back(OMPD_task); | ||||
5205 | break; | ||||
5206 | case OMPD_taskyield: | ||||
5207 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5208, __PRETTY_FUNCTION__)) | ||||
5208 | "No clauses are allowed for 'omp taskyield' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5208, __PRETTY_FUNCTION__)); | ||||
5209 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5210, __PRETTY_FUNCTION__)) | ||||
5210 | "No associated statement allowed for 'omp taskyield' directive")((AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5210, __PRETTY_FUNCTION__)); | ||||
5211 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); | ||||
5212 | break; | ||||
5213 | case OMPD_barrier: | ||||
5214 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5215, __PRETTY_FUNCTION__)) | ||||
5215 | "No clauses are allowed for 'omp barrier' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5215, __PRETTY_FUNCTION__)); | ||||
5216 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5217, __PRETTY_FUNCTION__)) | ||||
5217 | "No associated statement allowed for 'omp barrier' directive")((AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5217, __PRETTY_FUNCTION__)); | ||||
5218 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); | ||||
5219 | break; | ||||
5220 | case OMPD_taskwait: | ||||
5221 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5222, __PRETTY_FUNCTION__)) | ||||
5222 | "No clauses are allowed for 'omp taskwait' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5222, __PRETTY_FUNCTION__)); | ||||
5223 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5224, __PRETTY_FUNCTION__)) | ||||
5224 | "No associated statement allowed for 'omp taskwait' directive")((AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5224, __PRETTY_FUNCTION__)); | ||||
5225 | Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); | ||||
5226 | break; | ||||
5227 | case OMPD_taskgroup: | ||||
5228 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5229 | EndLoc); | ||||
5230 | break; | ||||
5231 | case OMPD_flush: | ||||
5232 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5233, __PRETTY_FUNCTION__)) | ||||
5233 | "No associated statement allowed for 'omp flush' directive")((AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5233, __PRETTY_FUNCTION__)); | ||||
5234 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||
5235 | break; | ||||
5236 | case OMPD_depobj: | ||||
5237 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp depobj' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp depobj' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5238, __PRETTY_FUNCTION__)) | ||||
5238 | "No associated statement allowed for 'omp depobj' directive")((AStmt == nullptr && "No associated statement allowed for 'omp depobj' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp depobj' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5238, __PRETTY_FUNCTION__)); | ||||
5239 | Res = ActOnOpenMPDepobjDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||
5240 | break; | ||||
5241 | case OMPD_scan: | ||||
5242 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp scan' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp scan' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5243, __PRETTY_FUNCTION__)) | ||||
5243 | "No associated statement allowed for 'omp scan' directive")((AStmt == nullptr && "No associated statement allowed for 'omp scan' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp scan' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5243, __PRETTY_FUNCTION__)); | ||||
5244 | Res = ActOnOpenMPScanDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||
5245 | break; | ||||
5246 | case OMPD_ordered: | ||||
5247 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5248 | EndLoc); | ||||
5249 | break; | ||||
5250 | case OMPD_atomic: | ||||
5251 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5252 | EndLoc); | ||||
5253 | break; | ||||
5254 | case OMPD_teams: | ||||
5255 | Res = | ||||
5256 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | ||||
5257 | break; | ||||
5258 | case OMPD_target: | ||||
5259 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5260 | EndLoc); | ||||
5261 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5262 | break; | ||||
5263 | case OMPD_target_parallel: | ||||
5264 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, | ||||
5265 | StartLoc, EndLoc); | ||||
5266 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5267 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5268 | break; | ||||
5269 | case OMPD_target_parallel_for: | ||||
5270 | Res = ActOnOpenMPTargetParallelForDirective( | ||||
5271 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5272 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5273 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5274 | break; | ||||
5275 | case OMPD_cancellation_point: | ||||
5276 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5277, __PRETTY_FUNCTION__)) | ||||
5277 | "No clauses are allowed for 'omp cancellation point' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5277, __PRETTY_FUNCTION__)); | ||||
5278 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "((AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? static_cast<void> ( 0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5279, __PRETTY_FUNCTION__)) | ||||
5279 | "cancellation point' directive")((AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? static_cast<void> ( 0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5279, __PRETTY_FUNCTION__)); | ||||
5280 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); | ||||
5281 | break; | ||||
5282 | case OMPD_cancel: | ||||
5283 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5284, __PRETTY_FUNCTION__)) | ||||
5284 | "No associated statement allowed for 'omp cancel' directive")((AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5284, __PRETTY_FUNCTION__)); | ||||
5285 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, | ||||
5286 | CancelRegion); | ||||
5287 | AllowedNameModifiers.push_back(OMPD_cancel); | ||||
5288 | break; | ||||
5289 | case OMPD_target_data: | ||||
5290 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5291 | EndLoc); | ||||
5292 | AllowedNameModifiers.push_back(OMPD_target_data); | ||||
5293 | break; | ||||
5294 | case OMPD_target_enter_data: | ||||
5295 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, | ||||
5296 | EndLoc, AStmt); | ||||
5297 | AllowedNameModifiers.push_back(OMPD_target_enter_data); | ||||
5298 | break; | ||||
5299 | case OMPD_target_exit_data: | ||||
5300 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, | ||||
5301 | EndLoc, AStmt); | ||||
5302 | AllowedNameModifiers.push_back(OMPD_target_exit_data); | ||||
5303 | break; | ||||
5304 | case OMPD_taskloop: | ||||
5305 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5306 | EndLoc, VarsWithInheritedDSA); | ||||
5307 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
5308 | break; | ||||
5309 | case OMPD_taskloop_simd: | ||||
5310 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5311 | EndLoc, VarsWithInheritedDSA); | ||||
5312 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
5313 | if (LangOpts.OpenMP >= 50) | ||||
5314 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5315 | break; | ||||
5316 | case OMPD_master_taskloop: | ||||
5317 | Res = ActOnOpenMPMasterTaskLoopDirective( | ||||
5318 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5319 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
5320 | break; | ||||
5321 | case OMPD_master_taskloop_simd: | ||||
5322 | Res = ActOnOpenMPMasterTaskLoopSimdDirective( | ||||
5323 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5324 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
5325 | if (LangOpts.OpenMP >= 50) | ||||
5326 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5327 | break; | ||||
5328 | case OMPD_parallel_master_taskloop: | ||||
5329 | Res = ActOnOpenMPParallelMasterTaskLoopDirective( | ||||
5330 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5331 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
5332 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5333 | break; | ||||
5334 | case OMPD_parallel_master_taskloop_simd: | ||||
5335 | Res = ActOnOpenMPParallelMasterTaskLoopSimdDirective( | ||||
5336 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5337 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
5338 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5339 | if (LangOpts.OpenMP >= 50) | ||||
5340 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5341 | break; | ||||
5342 | case OMPD_distribute: | ||||
5343 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5344 | EndLoc, VarsWithInheritedDSA); | ||||
5345 | break; | ||||
5346 | case OMPD_target_update: | ||||
5347 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, | ||||
5348 | EndLoc, AStmt); | ||||
5349 | AllowedNameModifiers.push_back(OMPD_target_update); | ||||
5350 | break; | ||||
5351 | case OMPD_distribute_parallel_for: | ||||
5352 | Res = ActOnOpenMPDistributeParallelForDirective( | ||||
5353 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5354 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5355 | break; | ||||
5356 | case OMPD_distribute_parallel_for_simd: | ||||
5357 | Res = ActOnOpenMPDistributeParallelForSimdDirective( | ||||
5358 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5359 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5360 | if (LangOpts.OpenMP >= 50) | ||||
5361 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5362 | break; | ||||
5363 | case OMPD_distribute_simd: | ||||
5364 | Res = ActOnOpenMPDistributeSimdDirective( | ||||
5365 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5366 | if (LangOpts.OpenMP >= 50) | ||||
5367 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5368 | break; | ||||
5369 | case OMPD_target_parallel_for_simd: | ||||
5370 | Res = ActOnOpenMPTargetParallelForSimdDirective( | ||||
5371 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5372 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5373 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5374 | if (LangOpts.OpenMP >= 50) | ||||
5375 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5376 | break; | ||||
5377 | case OMPD_target_simd: | ||||
5378 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5379 | EndLoc, VarsWithInheritedDSA); | ||||
5380 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5381 | if (LangOpts.OpenMP >= 50) | ||||
5382 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5383 | break; | ||||
5384 | case OMPD_teams_distribute: | ||||
5385 | Res = ActOnOpenMPTeamsDistributeDirective( | ||||
5386 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5387 | break; | ||||
5388 | case OMPD_teams_distribute_simd: | ||||
5389 | Res = ActOnOpenMPTeamsDistributeSimdDirective( | ||||
5390 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5391 | if (LangOpts.OpenMP >= 50) | ||||
5392 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5393 | break; | ||||
5394 | case OMPD_teams_distribute_parallel_for_simd: | ||||
5395 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( | ||||
5396 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5397 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5398 | if (LangOpts.OpenMP >= 50) | ||||
5399 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5400 | break; | ||||
5401 | case OMPD_teams_distribute_parallel_for: | ||||
5402 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( | ||||
5403 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5404 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5405 | break; | ||||
5406 | case OMPD_target_teams: | ||||
5407 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
5408 | EndLoc); | ||||
5409 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5410 | break; | ||||
5411 | case OMPD_target_teams_distribute: | ||||
5412 | Res = ActOnOpenMPTargetTeamsDistributeDirective( | ||||
5413 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5414 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5415 | break; | ||||
5416 | case OMPD_target_teams_distribute_parallel_for: | ||||
5417 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( | ||||
5418 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5419 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5420 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5421 | break; | ||||
5422 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
5423 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | ||||
5424 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5425 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5426 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
5427 | if (LangOpts.OpenMP >= 50) | ||||
5428 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5429 | break; | ||||
5430 | case OMPD_target_teams_distribute_simd: | ||||
5431 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( | ||||
5432 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
5433 | AllowedNameModifiers.push_back(OMPD_target); | ||||
5434 | if (LangOpts.OpenMP >= 50) | ||||
5435 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
5436 | break; | ||||
5437 | case OMPD_declare_target: | ||||
5438 | case OMPD_end_declare_target: | ||||
5439 | case OMPD_threadprivate: | ||||
5440 | case OMPD_allocate: | ||||
5441 | case OMPD_declare_reduction: | ||||
5442 | case OMPD_declare_mapper: | ||||
5443 | case OMPD_declare_simd: | ||||
5444 | case OMPD_requires: | ||||
5445 | case OMPD_declare_variant: | ||||
5446 | case OMPD_begin_declare_variant: | ||||
5447 | case OMPD_end_declare_variant: | ||||
5448 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5448); | ||||
5449 | case OMPD_unknown: | ||||
5450 | default: | ||||
5451 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5451); | ||||
5452 | } | ||||
5453 | |||||
5454 | ErrorFound = Res.isInvalid() || ErrorFound; | ||||
5455 | |||||
5456 | // Check variables in the clauses if default(none) or | ||||
5457 | // default(firstprivate) was specified. | ||||
5458 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | ||||
5459 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { | ||||
5460 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); | ||||
5461 | for (OMPClause *C : Clauses) { | ||||
5462 | switch (C->getClauseKind()) { | ||||
5463 | case OMPC_num_threads: | ||||
5464 | case OMPC_dist_schedule: | ||||
5465 | // Do not analyse if no parent teams directive. | ||||
5466 | if (isOpenMPTeamsDirective(Kind)) | ||||
5467 | break; | ||||
5468 | continue; | ||||
5469 | case OMPC_if: | ||||
5470 | if (isOpenMPTeamsDirective(Kind) && | ||||
5471 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) | ||||
5472 | break; | ||||
5473 | if (isOpenMPParallelDirective(Kind) && | ||||
5474 | isOpenMPTaskLoopDirective(Kind) && | ||||
5475 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_parallel) | ||||
5476 | break; | ||||
5477 | continue; | ||||
5478 | case OMPC_schedule: | ||||
5479 | case OMPC_detach: | ||||
5480 | break; | ||||
5481 | case OMPC_grainsize: | ||||
5482 | case OMPC_num_tasks: | ||||
5483 | case OMPC_final: | ||||
5484 | case OMPC_priority: | ||||
5485 | // Do not analyze if no parent parallel directive. | ||||
5486 | if (isOpenMPParallelDirective(Kind)) | ||||
5487 | break; | ||||
5488 | continue; | ||||
5489 | case OMPC_ordered: | ||||
5490 | case OMPC_device: | ||||
5491 | case OMPC_num_teams: | ||||
5492 | case OMPC_thread_limit: | ||||
5493 | case OMPC_hint: | ||||
5494 | case OMPC_collapse: | ||||
5495 | case OMPC_safelen: | ||||
5496 | case OMPC_simdlen: | ||||
5497 | case OMPC_default: | ||||
5498 | case OMPC_proc_bind: | ||||
5499 | case OMPC_private: | ||||
5500 | case OMPC_firstprivate: | ||||
5501 | case OMPC_lastprivate: | ||||
5502 | case OMPC_shared: | ||||
5503 | case OMPC_reduction: | ||||
5504 | case OMPC_task_reduction: | ||||
5505 | case OMPC_in_reduction: | ||||
5506 | case OMPC_linear: | ||||
5507 | case OMPC_aligned: | ||||
5508 | case OMPC_copyin: | ||||
5509 | case OMPC_copyprivate: | ||||
5510 | case OMPC_nowait: | ||||
5511 | case OMPC_untied: | ||||
5512 | case OMPC_mergeable: | ||||
5513 | case OMPC_allocate: | ||||
5514 | case OMPC_read: | ||||
5515 | case OMPC_write: | ||||
5516 | case OMPC_update: | ||||
5517 | case OMPC_capture: | ||||
5518 | case OMPC_seq_cst: | ||||
5519 | case OMPC_acq_rel: | ||||
5520 | case OMPC_acquire: | ||||
5521 | case OMPC_release: | ||||
5522 | case OMPC_relaxed: | ||||
5523 | case OMPC_depend: | ||||
5524 | case OMPC_threads: | ||||
5525 | case OMPC_simd: | ||||
5526 | case OMPC_map: | ||||
5527 | case OMPC_nogroup: | ||||
5528 | case OMPC_defaultmap: | ||||
5529 | case OMPC_to: | ||||
5530 | case OMPC_from: | ||||
5531 | case OMPC_use_device_ptr: | ||||
5532 | case OMPC_use_device_addr: | ||||
5533 | case OMPC_is_device_ptr: | ||||
5534 | case OMPC_nontemporal: | ||||
5535 | case OMPC_order: | ||||
5536 | case OMPC_destroy: | ||||
5537 | case OMPC_inclusive: | ||||
5538 | case OMPC_exclusive: | ||||
5539 | case OMPC_uses_allocators: | ||||
5540 | case OMPC_affinity: | ||||
5541 | continue; | ||||
5542 | case OMPC_allocator: | ||||
5543 | case OMPC_flush: | ||||
5544 | case OMPC_depobj: | ||||
5545 | case OMPC_threadprivate: | ||||
5546 | case OMPC_uniform: | ||||
5547 | case OMPC_unknown: | ||||
5548 | case OMPC_unified_address: | ||||
5549 | case OMPC_unified_shared_memory: | ||||
5550 | case OMPC_reverse_offload: | ||||
5551 | case OMPC_dynamic_allocators: | ||||
5552 | case OMPC_atomic_default_mem_order: | ||||
5553 | case OMPC_device_type: | ||||
5554 | case OMPC_match: | ||||
5555 | default: | ||||
5556 | llvm_unreachable("Unexpected clause")::llvm::llvm_unreachable_internal("Unexpected clause", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5556); | ||||
5557 | } | ||||
5558 | for (Stmt *CC : C->children()) { | ||||
5559 | if (CC) | ||||
5560 | DSAChecker.Visit(CC); | ||||
5561 | } | ||||
5562 | } | ||||
5563 | for (const auto &P : DSAChecker.getVarsWithInheritedDSA()) | ||||
5564 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); | ||||
5565 | } | ||||
5566 | for (const auto &P : VarsWithInheritedDSA) { | ||||
5567 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) | ||||
5568 | continue; | ||||
5569 | ErrorFound = true; | ||||
5570 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | ||||
5571 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { | ||||
5572 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) | ||||
5573 | << P.first << P.second->getSourceRange(); | ||||
5574 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); | ||||
5575 | } else if (getLangOpts().OpenMP >= 50) { | ||||
5576 | Diag(P.second->getExprLoc(), | ||||
5577 | diag::err_omp_defaultmap_no_attr_for_variable) | ||||
5578 | << P.first << P.second->getSourceRange(); | ||||
5579 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), | ||||
5580 | diag::note_omp_defaultmap_attr_none); | ||||
5581 | } | ||||
5582 | } | ||||
5583 | |||||
5584 | if (!AllowedNameModifiers.empty()) | ||||
5585 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || | ||||
5586 | ErrorFound; | ||||
5587 | |||||
5588 | if (ErrorFound) | ||||
5589 | return StmtError(); | ||||
5590 | |||||
5591 | if (!CurContext->isDependentContext() && | ||||
5592 | isOpenMPTargetExecutionDirective(Kind) && | ||||
5593 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | ||||
5594 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || | ||||
5595 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || | ||||
5596 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { | ||||
5597 | // Register target to DSA Stack. | ||||
5598 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); | ||||
5599 | } | ||||
5600 | |||||
5601 | return Res; | ||||
5602 | } | ||||
5603 | |||||
5604 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( | ||||
5605 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, | ||||
5606 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, | ||||
5607 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, | ||||
5608 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { | ||||
5609 | assert(Aligneds.size() == Alignments.size())((Aligneds.size() == Alignments.size()) ? static_cast<void > (0) : __assert_fail ("Aligneds.size() == Alignments.size()" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5609, __PRETTY_FUNCTION__)); | ||||
5610 | assert(Linears.size() == LinModifiers.size())((Linears.size() == LinModifiers.size()) ? static_cast<void > (0) : __assert_fail ("Linears.size() == LinModifiers.size()" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5610, __PRETTY_FUNCTION__)); | ||||
5611 | assert(Linears.size() == Steps.size())((Linears.size() == Steps.size()) ? static_cast<void> ( 0) : __assert_fail ("Linears.size() == Steps.size()", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5611, __PRETTY_FUNCTION__)); | ||||
5612 | if (!DG || DG.get().isNull()) | ||||
5613 | return DeclGroupPtrTy(); | ||||
5614 | |||||
5615 | const int SimdId = 0; | ||||
5616 | if (!DG.get().isSingleDecl()) { | ||||
5617 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | ||||
5618 | << SimdId; | ||||
5619 | return DG; | ||||
5620 | } | ||||
5621 | Decl *ADecl = DG.get().getSingleDecl(); | ||||
5622 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | ||||
5623 | ADecl = FTD->getTemplatedDecl(); | ||||
5624 | |||||
5625 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | ||||
5626 | if (!FD) { | ||||
5627 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; | ||||
5628 | return DeclGroupPtrTy(); | ||||
5629 | } | ||||
5630 | |||||
5631 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5632 | // The parameter of the simdlen clause must be a constant positive integer | ||||
5633 | // expression. | ||||
5634 | ExprResult SL; | ||||
5635 | if (Simdlen) | ||||
5636 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); | ||||
5637 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5638 | // The special this pointer can be used as if was one of the arguments to the | ||||
5639 | // function in any of the linear, aligned, or uniform clauses. | ||||
5640 | // The uniform clause declares one or more arguments to have an invariant | ||||
5641 | // value for all concurrent invocations of the function in the execution of a | ||||
5642 | // single SIMD loop. | ||||
5643 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; | ||||
5644 | const Expr *UniformedLinearThis = nullptr; | ||||
5645 | for (const Expr *E : Uniforms) { | ||||
5646 | E = E->IgnoreParenImpCasts(); | ||||
5647 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||
5648 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) | ||||
5649 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||
5650 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||
5651 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { | ||||
5652 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); | ||||
5653 | continue; | ||||
5654 | } | ||||
5655 | if (isa<CXXThisExpr>(E)) { | ||||
5656 | UniformedLinearThis = E; | ||||
5657 | continue; | ||||
5658 | } | ||||
5659 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||
5660 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||
5661 | } | ||||
5662 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5663 | // The aligned clause declares that the object to which each list item points | ||||
5664 | // is aligned to the number of bytes expressed in the optional parameter of | ||||
5665 | // the aligned clause. | ||||
5666 | // The special this pointer can be used as if was one of the arguments to the | ||||
5667 | // function in any of the linear, aligned, or uniform clauses. | ||||
5668 | // The type of list items appearing in the aligned clause must be array, | ||||
5669 | // pointer, reference to array, or reference to pointer. | ||||
5670 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; | ||||
5671 | const Expr *AlignedThis = nullptr; | ||||
5672 | for (const Expr *E : Aligneds) { | ||||
5673 | E = E->IgnoreParenImpCasts(); | ||||
5674 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||
5675 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||
5676 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||
5677 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||
5678 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||
5679 | ->getCanonicalDecl() == CanonPVD) { | ||||
5680 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
5681 | // A list-item cannot appear in more than one aligned clause. | ||||
5682 | if (AlignedArgs.count(CanonPVD) > 0) { | ||||
5683 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | ||||
5684 | << 1 << getOpenMPClauseName(OMPC_aligned) | ||||
5685 | << E->getSourceRange(); | ||||
5686 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), | ||||
5687 | diag::note_omp_explicit_dsa) | ||||
5688 | << getOpenMPClauseName(OMPC_aligned); | ||||
5689 | continue; | ||||
5690 | } | ||||
5691 | AlignedArgs[CanonPVD] = E; | ||||
5692 | QualType QTy = PVD->getType() | ||||
5693 | .getNonReferenceType() | ||||
5694 | .getUnqualifiedType() | ||||
5695 | .getCanonicalType(); | ||||
5696 | const Type *Ty = QTy.getTypePtrOrNull(); | ||||
5697 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | ||||
5698 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) | ||||
5699 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); | ||||
5700 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; | ||||
5701 | } | ||||
5702 | continue; | ||||
5703 | } | ||||
5704 | } | ||||
5705 | if (isa<CXXThisExpr>(E)) { | ||||
5706 | if (AlignedThis) { | ||||
5707 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | ||||
5708 | << 2 << getOpenMPClauseName(OMPC_aligned) << E->getSourceRange(); | ||||
5709 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
5710 | << getOpenMPClauseName(OMPC_aligned); | ||||
5711 | } | ||||
5712 | AlignedThis = E; | ||||
5713 | continue; | ||||
5714 | } | ||||
5715 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||
5716 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||
5717 | } | ||||
5718 | // The optional parameter of the aligned clause, alignment, must be a constant | ||||
5719 | // positive integer expression. If no optional parameter is specified, | ||||
5720 | // implementation-defined default alignments for SIMD instructions on the | ||||
5721 | // target platforms are assumed. | ||||
5722 | SmallVector<const Expr *, 4> NewAligns; | ||||
5723 | for (Expr *E : Alignments) { | ||||
5724 | ExprResult Align; | ||||
5725 | if (E) | ||||
5726 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); | ||||
5727 | NewAligns.push_back(Align.get()); | ||||
5728 | } | ||||
5729 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5730 | // The linear clause declares one or more list items to be private to a SIMD | ||||
5731 | // lane and to have a linear relationship with respect to the iteration space | ||||
5732 | // of a loop. | ||||
5733 | // The special this pointer can be used as if was one of the arguments to the | ||||
5734 | // function in any of the linear, aligned, or uniform clauses. | ||||
5735 | // When a linear-step expression is specified in a linear clause it must be | ||||
5736 | // either a constant integer expression or an integer-typed parameter that is | ||||
5737 | // specified in a uniform clause on the directive. | ||||
5738 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; | ||||
5739 | const bool IsUniformedThis = UniformedLinearThis != nullptr; | ||||
5740 | auto MI = LinModifiers.begin(); | ||||
5741 | for (const Expr *E : Linears) { | ||||
5742 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); | ||||
5743 | ++MI; | ||||
5744 | E = E->IgnoreParenImpCasts(); | ||||
5745 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||
5746 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||
5747 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||
5748 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||
5749 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||
5750 | ->getCanonicalDecl() == CanonPVD) { | ||||
5751 | // OpenMP [2.15.3.7, linear Clause, Restrictions] | ||||
5752 | // A list-item cannot appear in more than one linear clause. | ||||
5753 | if (LinearArgs.count(CanonPVD) > 0) { | ||||
5754 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||
5755 | << getOpenMPClauseName(OMPC_linear) | ||||
5756 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); | ||||
5757 | Diag(LinearArgs[CanonPVD]->getExprLoc(), | ||||
5758 | diag::note_omp_explicit_dsa) | ||||
5759 | << getOpenMPClauseName(OMPC_linear); | ||||
5760 | continue; | ||||
5761 | } | ||||
5762 | // Each argument can appear in at most one uniform or linear clause. | ||||
5763 | if (UniformedArgs.count(CanonPVD) > 0) { | ||||
5764 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||
5765 | << getOpenMPClauseName(OMPC_linear) | ||||
5766 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); | ||||
5767 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), | ||||
5768 | diag::note_omp_explicit_dsa) | ||||
5769 | << getOpenMPClauseName(OMPC_uniform); | ||||
5770 | continue; | ||||
5771 | } | ||||
5772 | LinearArgs[CanonPVD] = E; | ||||
5773 | if (E->isValueDependent() || E->isTypeDependent() || | ||||
5774 | E->isInstantiationDependent() || | ||||
5775 | E->containsUnexpandedParameterPack()) | ||||
5776 | continue; | ||||
5777 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, | ||||
5778 | PVD->getOriginalType(), | ||||
5779 | /*IsDeclareSimd=*/true); | ||||
5780 | continue; | ||||
5781 | } | ||||
5782 | } | ||||
5783 | if (isa<CXXThisExpr>(E)) { | ||||
5784 | if (UniformedLinearThis) { | ||||
5785 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||
5786 | << getOpenMPClauseName(OMPC_linear) | ||||
5787 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) | ||||
5788 | << E->getSourceRange(); | ||||
5789 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
5790 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform | ||||
5791 | : OMPC_linear); | ||||
5792 | continue; | ||||
5793 | } | ||||
5794 | UniformedLinearThis = E; | ||||
5795 | if (E->isValueDependent() || E->isTypeDependent() || | ||||
5796 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | ||||
5797 | continue; | ||||
5798 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, | ||||
5799 | E->getType(), /*IsDeclareSimd=*/true); | ||||
5800 | continue; | ||||
5801 | } | ||||
5802 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||
5803 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||
5804 | } | ||||
5805 | Expr *Step = nullptr; | ||||
5806 | Expr *NewStep = nullptr; | ||||
5807 | SmallVector<Expr *, 4> NewSteps; | ||||
5808 | for (Expr *E : Steps) { | ||||
5809 | // Skip the same step expression, it was checked already. | ||||
5810 | if (Step == E || !E) { | ||||
5811 | NewSteps.push_back(E ? NewStep : nullptr); | ||||
5812 | continue; | ||||
5813 | } | ||||
5814 | Step = E; | ||||
5815 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) | ||||
5816 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||
5817 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||
5818 | if (UniformedArgs.count(CanonPVD) == 0) { | ||||
5819 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) | ||||
5820 | << Step->getSourceRange(); | ||||
5821 | } else if (E->isValueDependent() || E->isTypeDependent() || | ||||
5822 | E->isInstantiationDependent() || | ||||
5823 | E->containsUnexpandedParameterPack() || | ||||
5824 | CanonPVD->getType()->hasIntegerRepresentation()) { | ||||
5825 | NewSteps.push_back(Step); | ||||
5826 | } else { | ||||
5827 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) | ||||
5828 | << Step->getSourceRange(); | ||||
5829 | } | ||||
5830 | continue; | ||||
5831 | } | ||||
5832 | NewStep = Step; | ||||
5833 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | ||||
5834 | !Step->isInstantiationDependent() && | ||||
5835 | !Step->containsUnexpandedParameterPack()) { | ||||
5836 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) | ||||
5837 | .get(); | ||||
5838 | if (NewStep) | ||||
5839 | NewStep = VerifyIntegerConstantExpression(NewStep).get(); | ||||
5840 | } | ||||
5841 | NewSteps.push_back(NewStep); | ||||
5842 | } | ||||
5843 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( | ||||
5844 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), | ||||
5845 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), | ||||
5846 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), | ||||
5847 | const_cast<Expr **>(Linears.data()), Linears.size(), | ||||
5848 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), | ||||
5849 | NewSteps.data(), NewSteps.size(), SR); | ||||
5850 | ADecl->addAttr(NewAttr); | ||||
5851 | return DG; | ||||
5852 | } | ||||
5853 | |||||
5854 | static void setPrototype(Sema &S, FunctionDecl *FD, FunctionDecl *FDWithProto, | ||||
5855 | QualType NewType) { | ||||
5856 | assert(NewType->isFunctionProtoType() &&((NewType->isFunctionProtoType() && "Expected function type with prototype." ) ? static_cast<void> (0) : __assert_fail ("NewType->isFunctionProtoType() && \"Expected function type with prototype.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5857, __PRETTY_FUNCTION__)) | ||||
5857 | "Expected function type with prototype.")((NewType->isFunctionProtoType() && "Expected function type with prototype." ) ? static_cast<void> (0) : __assert_fail ("NewType->isFunctionProtoType() && \"Expected function type with prototype.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5857, __PRETTY_FUNCTION__)); | ||||
5858 | assert(FD->getType()->isFunctionNoProtoType() &&((FD->getType()->isFunctionNoProtoType() && "Expected function with type with no prototype." ) ? static_cast<void> (0) : __assert_fail ("FD->getType()->isFunctionNoProtoType() && \"Expected function with type with no prototype.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5859, __PRETTY_FUNCTION__)) | ||||
5859 | "Expected function with type with no prototype.")((FD->getType()->isFunctionNoProtoType() && "Expected function with type with no prototype." ) ? static_cast<void> (0) : __assert_fail ("FD->getType()->isFunctionNoProtoType() && \"Expected function with type with no prototype.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5859, __PRETTY_FUNCTION__)); | ||||
5860 | assert(FDWithProto->getType()->isFunctionProtoType() &&((FDWithProto->getType()->isFunctionProtoType() && "Expected function with prototype.") ? static_cast<void> (0) : __assert_fail ("FDWithProto->getType()->isFunctionProtoType() && \"Expected function with prototype.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5861, __PRETTY_FUNCTION__)) | ||||
5861 | "Expected function with prototype.")((FDWithProto->getType()->isFunctionProtoType() && "Expected function with prototype.") ? static_cast<void> (0) : __assert_fail ("FDWithProto->getType()->isFunctionProtoType() && \"Expected function with prototype.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 5861, __PRETTY_FUNCTION__)); | ||||
5862 | // Synthesize parameters with the same types. | ||||
5863 | FD->setType(NewType); | ||||
5864 | SmallVector<ParmVarDecl *, 16> Params; | ||||
5865 | for (const ParmVarDecl *P : FDWithProto->parameters()) { | ||||
5866 | auto *Param = ParmVarDecl::Create(S.getASTContext(), FD, SourceLocation(), | ||||
5867 | SourceLocation(), nullptr, P->getType(), | ||||
5868 | /*TInfo=*/nullptr, SC_None, nullptr); | ||||
5869 | Param->setScopeInfo(0, Params.size()); | ||||
5870 | Param->setImplicit(); | ||||
5871 | Params.push_back(Param); | ||||
5872 | } | ||||
5873 | |||||
5874 | FD->setParams(Params); | ||||
5875 | } | ||||
5876 | |||||
5877 | Sema::OMPDeclareVariantScope::OMPDeclareVariantScope(OMPTraitInfo &TI) | ||||
5878 | : TI(&TI), NameSuffix(TI.getMangledName()) {} | ||||
5879 | |||||
5880 | void Sema::ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( | ||||
5881 | Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists, | ||||
5882 | SmallVectorImpl<FunctionDecl *> &Bases) { | ||||
5883 | if (!D.getIdentifier()) | ||||
5884 | return; | ||||
5885 | |||||
5886 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); | ||||
5887 | |||||
5888 | // Template specialization is an extension, check if we do it. | ||||
5889 | bool IsTemplated = !TemplateParamLists.empty(); | ||||
5890 | if (IsTemplated & | ||||
5891 | !DVScope.TI->isExtensionActive( | ||||
5892 | llvm::omp::TraitProperty::implementation_extension_allow_templates)) | ||||
5893 | return; | ||||
5894 | |||||
5895 | IdentifierInfo *BaseII = D.getIdentifier(); | ||||
5896 | LookupResult Lookup(*this, DeclarationName(BaseII), D.getIdentifierLoc(), | ||||
5897 | LookupOrdinaryName); | ||||
5898 | LookupParsedName(Lookup, S, &D.getCXXScopeSpec()); | ||||
5899 | |||||
5900 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | ||||
5901 | QualType FType = TInfo->getType(); | ||||
5902 | |||||
5903 | bool IsConstexpr = D.getDeclSpec().getConstexprSpecifier() == CSK_constexpr; | ||||
5904 | bool IsConsteval = D.getDeclSpec().getConstexprSpecifier() == CSK_consteval; | ||||
5905 | |||||
5906 | for (auto *Candidate : Lookup) { | ||||
5907 | auto *CandidateDecl = Candidate->getUnderlyingDecl(); | ||||
5908 | FunctionDecl *UDecl = nullptr; | ||||
5909 | if (IsTemplated && isa<FunctionTemplateDecl>(CandidateDecl)) | ||||
5910 | UDecl = cast<FunctionTemplateDecl>(CandidateDecl)->getTemplatedDecl(); | ||||
5911 | else if (!IsTemplated) | ||||
5912 | UDecl = dyn_cast<FunctionDecl>(CandidateDecl); | ||||
5913 | if (!UDecl) | ||||
5914 | continue; | ||||
5915 | |||||
5916 | // Don't specialize constexpr/consteval functions with | ||||
5917 | // non-constexpr/consteval functions. | ||||
5918 | if (UDecl->isConstexpr() && !IsConstexpr) | ||||
5919 | continue; | ||||
5920 | if (UDecl->isConsteval() && !IsConsteval) | ||||
5921 | continue; | ||||
5922 | |||||
5923 | QualType UDeclTy = UDecl->getType(); | ||||
5924 | // TODO: Verify types for templates eventually. | ||||
5925 | if (!UDeclTy->isDependentType()) { | ||||
5926 | QualType NewType = Context.mergeFunctionTypes( | ||||
5927 | FType, UDeclTy, /* OfBlockPointer */ false, | ||||
5928 | /* Unqualified */ false, /* AllowCXX */ true); | ||||
5929 | if (NewType.isNull()) | ||||
5930 | continue; | ||||
5931 | } | ||||
5932 | |||||
5933 | // Found a base! | ||||
5934 | Bases.push_back(UDecl); | ||||
5935 | } | ||||
5936 | |||||
5937 | bool UseImplicitBase = !DVScope.TI->isExtensionActive( | ||||
5938 | llvm::omp::TraitProperty::implementation_extension_disable_implicit_base); | ||||
5939 | // If no base was found we create a declaration that we use as base. | ||||
5940 | if (Bases.empty() && UseImplicitBase) { | ||||
5941 | D.setFunctionDefinitionKind(FDK_Declaration); | ||||
5942 | Decl *BaseD = HandleDeclarator(S, D, TemplateParamLists); | ||||
5943 | BaseD->setImplicit(true); | ||||
5944 | if (auto *BaseTemplD = dyn_cast<FunctionTemplateDecl>(BaseD)) | ||||
5945 | Bases.push_back(BaseTemplD->getTemplatedDecl()); | ||||
5946 | else | ||||
5947 | Bases.push_back(cast<FunctionDecl>(BaseD)); | ||||
5948 | } | ||||
5949 | |||||
5950 | std::string MangledName; | ||||
5951 | MangledName += D.getIdentifier()->getName(); | ||||
5952 | MangledName += getOpenMPVariantManglingSeparatorStr(); | ||||
5953 | MangledName += DVScope.NameSuffix; | ||||
5954 | IdentifierInfo &VariantII = Context.Idents.get(MangledName); | ||||
5955 | |||||
5956 | VariantII.setMangledOpenMPVariantName(true); | ||||
5957 | D.SetIdentifier(&VariantII, D.getBeginLoc()); | ||||
5958 | } | ||||
5959 | |||||
5960 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPDeclareVariantScope( | ||||
5961 | Decl *D, SmallVectorImpl<FunctionDecl *> &Bases) { | ||||
5962 | // Do not mark function as is used to prevent its emission if this is the | ||||
5963 | // only place where it is used. | ||||
5964 | EnterExpressionEvaluationContext Unevaluated( | ||||
5965 | *this, Sema::ExpressionEvaluationContext::Unevaluated); | ||||
5966 | |||||
5967 | FunctionDecl *FD = nullptr; | ||||
5968 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) | ||||
5969 | FD = UTemplDecl->getTemplatedDecl(); | ||||
5970 | else | ||||
5971 | FD = cast<FunctionDecl>(D); | ||||
5972 | auto *VariantFuncRef = DeclRefExpr::Create( | ||||
5973 | Context, NestedNameSpecifierLoc(), SourceLocation(), FD, | ||||
5974 | /* RefersToEnclosingVariableOrCapture */ false, | ||||
5975 | /* NameLoc */ FD->getLocation(), FD->getType(), ExprValueKind::VK_RValue); | ||||
5976 | |||||
5977 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); | ||||
5978 | auto *OMPDeclareVariantA = OMPDeclareVariantAttr::CreateImplicit( | ||||
5979 | Context, VariantFuncRef, DVScope.TI); | ||||
5980 | for (FunctionDecl *BaseFD : Bases) | ||||
5981 | BaseFD->addAttr(OMPDeclareVariantA); | ||||
5982 | } | ||||
5983 | |||||
5984 | ExprResult Sema::ActOnOpenMPCall(ExprResult Call, Scope *Scope, | ||||
5985 | SourceLocation LParenLoc, | ||||
5986 | MultiExprArg ArgExprs, | ||||
5987 | SourceLocation RParenLoc, Expr *ExecConfig) { | ||||
5988 | // The common case is a regular call we do not want to specialize at all. Try | ||||
5989 | // to make that case fast by bailing early. | ||||
5990 | CallExpr *CE = dyn_cast<CallExpr>(Call.get()); | ||||
| |||||
5991 | if (!CE
| ||||
5992 | return Call; | ||||
5993 | |||||
5994 | FunctionDecl *CalleeFnDecl = CE->getDirectCallee(); | ||||
5995 | if (!CalleeFnDecl
| ||||
5996 | return Call; | ||||
5997 | |||||
5998 | if (!CalleeFnDecl->hasAttr<OMPDeclareVariantAttr>()) | ||||
5999 | return Call; | ||||
6000 | |||||
6001 | ASTContext &Context = getASTContext(); | ||||
6002 | std::function<void(StringRef)> DiagUnknownTrait = [this, | ||||
6003 | CE](StringRef ISATrait) { | ||||
6004 | // TODO Track the selector locations in a way that is accessible here to | ||||
6005 | // improve the diagnostic location. | ||||
6006 | Diag(CE->getBeginLoc(), diag::warn_unknown_declare_variant_isa_trait) | ||||
6007 | << ISATrait; | ||||
6008 | }; | ||||
6009 | TargetOMPContext OMPCtx(Context, std::move(DiagUnknownTrait), | ||||
6010 | getCurFunctionDecl()); | ||||
6011 | |||||
6012 | SmallVector<Expr *, 4> Exprs; | ||||
6013 | SmallVector<VariantMatchInfo, 4> VMIs; | ||||
6014 | while (CalleeFnDecl) { | ||||
6015 | for (OMPDeclareVariantAttr *A : | ||||
6016 | CalleeFnDecl->specific_attrs<OMPDeclareVariantAttr>()) { | ||||
6017 | Expr *VariantRef = A->getVariantFuncRef(); | ||||
6018 | |||||
6019 | VariantMatchInfo VMI; | ||||
6020 | OMPTraitInfo &TI = A->getTraitInfo(); | ||||
6021 | TI.getAsVariantMatchInfo(Context, VMI); | ||||
6022 | if (!isVariantApplicableInContext(VMI, OMPCtx, | ||||
6023 | /* DeviceSetOnly */ false)) | ||||
6024 | continue; | ||||
6025 | |||||
6026 | VMIs.push_back(VMI); | ||||
6027 | Exprs.push_back(VariantRef); | ||||
6028 | } | ||||
6029 | |||||
6030 | CalleeFnDecl = CalleeFnDecl->getPreviousDecl(); | ||||
6031 | } | ||||
6032 | |||||
6033 | ExprResult NewCall; | ||||
6034 | do { | ||||
6035 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); | ||||
6036 | if (BestIdx < 0) | ||||
6037 | return Call; | ||||
6038 | Expr *BestExpr = cast<DeclRefExpr>(Exprs[BestIdx]); | ||||
6039 | Decl *BestDecl = cast<DeclRefExpr>(BestExpr)->getDecl(); | ||||
6040 | |||||
6041 | { | ||||
6042 | // Try to build a (member) call expression for the current best applicable | ||||
6043 | // variant expression. We allow this to fail in which case we continue | ||||
6044 | // with the next best variant expression. The fail case is part of the | ||||
6045 | // implementation defined behavior in the OpenMP standard when it talks | ||||
6046 | // about what differences in the function prototypes: "Any differences | ||||
6047 | // that the specific OpenMP context requires in the prototype of the | ||||
6048 | // variant from the base function prototype are implementation defined." | ||||
6049 | // This wording is there to allow the specialized variant to have a | ||||
6050 | // different type than the base function. This is intended and OK but if | ||||
6051 | // we cannot create a call the difference is not in the "implementation | ||||
6052 | // defined range" we allow. | ||||
6053 | Sema::TentativeAnalysisScope Trap(*this); | ||||
6054 | |||||
6055 | if (auto *SpecializedMethod
| ||||
6056 | auto *MemberCall = dyn_cast<CXXMemberCallExpr>(CE); | ||||
6057 | BestExpr = MemberExpr::CreateImplicit( | ||||
6058 | Context, MemberCall->getImplicitObjectArgument(), | ||||
| |||||
6059 | /* IsArrow */ false, SpecializedMethod, Context.BoundMemberTy, | ||||
6060 | MemberCall->getValueKind(), MemberCall->getObjectKind()); | ||||
6061 | } | ||||
6062 | NewCall = BuildCallExpr(Scope, BestExpr, LParenLoc, ArgExprs, RParenLoc, | ||||
6063 | ExecConfig); | ||||
6064 | if (NewCall.isUsable()) | ||||
6065 | break; | ||||
6066 | } | ||||
6067 | |||||
6068 | VMIs.erase(VMIs.begin() + BestIdx); | ||||
6069 | Exprs.erase(Exprs.begin() + BestIdx); | ||||
6070 | } while (!VMIs.empty()); | ||||
6071 | |||||
6072 | if (!NewCall.isUsable()) | ||||
6073 | return Call; | ||||
6074 | return PseudoObjectExpr::Create(Context, CE, {NewCall.get()}, 0); | ||||
6075 | } | ||||
6076 | |||||
6077 | Optional<std::pair<FunctionDecl *, Expr *>> | ||||
6078 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, | ||||
6079 | Expr *VariantRef, OMPTraitInfo &TI, | ||||
6080 | SourceRange SR) { | ||||
6081 | if (!DG || DG.get().isNull()) | ||||
6082 | return None; | ||||
6083 | |||||
6084 | const int VariantId = 1; | ||||
6085 | // Must be applied only to single decl. | ||||
6086 | if (!DG.get().isSingleDecl()) { | ||||
6087 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | ||||
6088 | << VariantId << SR; | ||||
6089 | return None; | ||||
6090 | } | ||||
6091 | Decl *ADecl = DG.get().getSingleDecl(); | ||||
6092 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | ||||
6093 | ADecl = FTD->getTemplatedDecl(); | ||||
6094 | |||||
6095 | // Decl must be a function. | ||||
6096 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | ||||
6097 | if (!FD) { | ||||
6098 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) | ||||
6099 | << VariantId << SR; | ||||
6100 | return None; | ||||
6101 | } | ||||
6102 | |||||
6103 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { | ||||
6104 | return FD->hasAttrs() && | ||||
6105 | (FD->hasAttr<CPUDispatchAttr>() || FD->hasAttr<CPUSpecificAttr>() || | ||||
6106 | FD->hasAttr<TargetAttr>()); | ||||
6107 | }; | ||||
6108 | // OpenMP is not compatible with CPU-specific attributes. | ||||
6109 | if (HasMultiVersionAttributes(FD)) { | ||||
6110 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) | ||||
6111 | << SR; | ||||
6112 | return None; | ||||
6113 | } | ||||
6114 | |||||
6115 | // Allow #pragma omp declare variant only if the function is not used. | ||||
6116 | if (FD->isUsed(false)) | ||||
6117 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) | ||||
6118 | << FD->getLocation(); | ||||
6119 | |||||
6120 | // Check if the function was emitted already. | ||||
6121 | const FunctionDecl *Definition; | ||||
6122 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && | ||||
6123 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) | ||||
6124 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) | ||||
6125 | << FD->getLocation(); | ||||
6126 | |||||
6127 | // The VariantRef must point to function. | ||||
6128 | if (!VariantRef) { | ||||
6129 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; | ||||
6130 | return None; | ||||
6131 | } | ||||
6132 | |||||
6133 | auto ShouldDelayChecks = [](Expr *&E, bool) { | ||||
6134 | return E && (E->isTypeDependent() || E->isValueDependent() || | ||||
6135 | E->containsUnexpandedParameterPack() || | ||||
6136 | E->isInstantiationDependent()); | ||||
6137 | }; | ||||
6138 | // Do not check templates, wait until instantiation. | ||||
6139 | if (FD->isDependentContext() || ShouldDelayChecks(VariantRef, false) || | ||||
6140 | TI.anyScoreOrCondition(ShouldDelayChecks)) | ||||
6141 | return std::make_pair(FD, VariantRef); | ||||
6142 | |||||
6143 | // Deal with non-constant score and user condition expressions. | ||||
6144 | auto HandleNonConstantScoresAndConditions = [this](Expr *&E, | ||||
6145 | bool IsScore) -> bool { | ||||
6146 | if (!E || E->isIntegerConstantExpr(Context)) | ||||
6147 | return false; | ||||
6148 | |||||
6149 | if (IsScore) { | ||||
6150 | // We warn on non-constant scores and pretend they were not present. | ||||
6151 | Diag(E->getExprLoc(), diag::warn_omp_declare_variant_score_not_constant) | ||||
6152 | << E; | ||||
6153 | E = nullptr; | ||||
6154 | } else { | ||||
6155 | // We could replace a non-constant user condition with "false" but we | ||||
6156 | // will soon need to handle these anyway for the dynamic version of | ||||
6157 | // OpenMP context selectors. | ||||
6158 | Diag(E->getExprLoc(), | ||||
6159 | diag::err_omp_declare_variant_user_condition_not_constant) | ||||
6160 | << E; | ||||
6161 | } | ||||
6162 | return true; | ||||
6163 | }; | ||||
6164 | if (TI.anyScoreOrCondition(HandleNonConstantScoresAndConditions)) | ||||
6165 | return None; | ||||
6166 | |||||
6167 | // Convert VariantRef expression to the type of the original function to | ||||
6168 | // resolve possible conflicts. | ||||
6169 | ExprResult VariantRefCast = VariantRef; | ||||
6170 | if (LangOpts.CPlusPlus) { | ||||
6171 | QualType FnPtrType; | ||||
6172 | auto *Method = dyn_cast<CXXMethodDecl>(FD); | ||||
6173 | if (Method && !Method->isStatic()) { | ||||
6174 | const Type *ClassType = | ||||
6175 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); | ||||
6176 | FnPtrType = Context.getMemberPointerType(FD->getType(), ClassType); | ||||
6177 | ExprResult ER; | ||||
6178 | { | ||||
6179 | // Build adrr_of unary op to correctly handle type checks for member | ||||
6180 | // functions. | ||||
6181 | Sema::TentativeAnalysisScope Trap(*this); | ||||
6182 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, | ||||
6183 | VariantRef); | ||||
6184 | } | ||||
6185 | if (!ER.isUsable()) { | ||||
6186 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
6187 | << VariantId << VariantRef->getSourceRange(); | ||||
6188 | return None; | ||||
6189 | } | ||||
6190 | VariantRef = ER.get(); | ||||
6191 | } else { | ||||
6192 | FnPtrType = Context.getPointerType(FD->getType()); | ||||
6193 | } | ||||
6194 | QualType VarianPtrType = Context.getPointerType(VariantRef->getType()); | ||||
6195 | if (VarianPtrType.getUnqualifiedType() != FnPtrType.getUnqualifiedType()) { | ||||
6196 | ImplicitConversionSequence ICS = TryImplicitConversion( | ||||
6197 | VariantRef, FnPtrType.getUnqualifiedType(), | ||||
6198 | /*SuppressUserConversions=*/false, AllowedExplicit::None, | ||||
6199 | /*InOverloadResolution=*/false, | ||||
6200 | /*CStyle=*/false, | ||||
6201 | /*AllowObjCWritebackConversion=*/false); | ||||
6202 | if (ICS.isFailure()) { | ||||
6203 | Diag(VariantRef->getExprLoc(), | ||||
6204 | diag::err_omp_declare_variant_incompat_types) | ||||
6205 | << VariantRef->getType() | ||||
6206 | << ((Method && !Method->isStatic()) ? FnPtrType : FD->getType()) | ||||
6207 | << VariantRef->getSourceRange(); | ||||
6208 | return None; | ||||
6209 | } | ||||
6210 | VariantRefCast = PerformImplicitConversion( | ||||
6211 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); | ||||
6212 | if (!VariantRefCast.isUsable()) | ||||
6213 | return None; | ||||
6214 | } | ||||
6215 | // Drop previously built artificial addr_of unary op for member functions. | ||||
6216 | if (Method && !Method->isStatic()) { | ||||
6217 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); | ||||
6218 | if (auto *UO = dyn_cast<UnaryOperator>( | ||||
6219 | PossibleAddrOfVariantRef->IgnoreImplicit())) | ||||
6220 | VariantRefCast = UO->getSubExpr(); | ||||
6221 | } | ||||
6222 | } | ||||
6223 | |||||
6224 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); | ||||
6225 | if (!ER.isUsable() || | ||||
6226 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { | ||||
6227 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
6228 | << VariantId << VariantRef->getSourceRange(); | ||||
6229 | return None; | ||||
6230 | } | ||||
6231 | |||||
6232 | // The VariantRef must point to function. | ||||
6233 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); | ||||
6234 | if (!DRE) { | ||||
6235 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
6236 | << VariantId << VariantRef->getSourceRange(); | ||||
6237 | return None; | ||||
6238 | } | ||||
6239 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); | ||||
6240 | if (!NewFD) { | ||||
6241 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
6242 | << VariantId << VariantRef->getSourceRange(); | ||||
6243 | return None; | ||||
6244 | } | ||||
6245 | |||||
6246 | // Check if function types are compatible in C. | ||||
6247 | if (!LangOpts.CPlusPlus) { | ||||
6248 | QualType NewType = | ||||
6249 | Context.mergeFunctionTypes(FD->getType(), NewFD->getType()); | ||||
6250 | if (NewType.isNull()) { | ||||
6251 | Diag(VariantRef->getExprLoc(), | ||||
6252 | diag::err_omp_declare_variant_incompat_types) | ||||
6253 | << NewFD->getType() << FD->getType() << VariantRef->getSourceRange(); | ||||
6254 | return None; | ||||
6255 | } | ||||
6256 | if (NewType->isFunctionProtoType()) { | ||||
6257 | if (FD->getType()->isFunctionNoProtoType()) | ||||
6258 | setPrototype(*this, FD, NewFD, NewType); | ||||
6259 | else if (NewFD->getType()->isFunctionNoProtoType()) | ||||
6260 | setPrototype(*this, NewFD, FD, NewType); | ||||
6261 | } | ||||
6262 | } | ||||
6263 | |||||
6264 | // Check if variant function is not marked with declare variant directive. | ||||
6265 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { | ||||
6266 | Diag(VariantRef->getExprLoc(), | ||||
6267 | diag::warn_omp_declare_variant_marked_as_declare_variant) | ||||
6268 | << VariantRef->getSourceRange(); | ||||
6269 | SourceRange SR = | ||||
6270 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); | ||||
6271 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; | ||||
6272 | return None; | ||||
6273 | } | ||||
6274 | |||||
6275 | enum DoesntSupport { | ||||
6276 | VirtFuncs = 1, | ||||
6277 | Constructors = 3, | ||||
6278 | Destructors = 4, | ||||
6279 | DeletedFuncs = 5, | ||||
6280 | DefaultedFuncs = 6, | ||||
6281 | ConstexprFuncs = 7, | ||||
6282 | ConstevalFuncs = 8, | ||||
6283 | }; | ||||
6284 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { | ||||
6285 | if (CXXFD->isVirtual()) { | ||||
6286 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
6287 | << VirtFuncs; | ||||
6288 | return None; | ||||
6289 | } | ||||
6290 | |||||
6291 | if (isa<CXXConstructorDecl>(FD)) { | ||||
6292 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
6293 | << Constructors; | ||||
6294 | return None; | ||||
6295 | } | ||||
6296 | |||||
6297 | if (isa<CXXDestructorDecl>(FD)) { | ||||
6298 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
6299 | << Destructors; | ||||
6300 | return None; | ||||
6301 | } | ||||
6302 | } | ||||
6303 | |||||
6304 | if (FD->isDeleted()) { | ||||
6305 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
6306 | << DeletedFuncs; | ||||
6307 | return None; | ||||
6308 | } | ||||
6309 | |||||
6310 | if (FD->isDefaulted()) { | ||||
6311 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
6312 | << DefaultedFuncs; | ||||
6313 | return None; | ||||
6314 | } | ||||
6315 | |||||
6316 | if (FD->isConstexpr()) { | ||||
6317 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
6318 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); | ||||
6319 | return None; | ||||
6320 | } | ||||
6321 | |||||
6322 | // Check general compatibility. | ||||
6323 | if (areMultiversionVariantFunctionsCompatible( | ||||
6324 | FD, NewFD, PartialDiagnostic::NullDiagnostic(), | ||||
6325 | PartialDiagnosticAt(SourceLocation(), | ||||
6326 | PartialDiagnostic::NullDiagnostic()), | ||||
6327 | PartialDiagnosticAt( | ||||
6328 | VariantRef->getExprLoc(), | ||||
6329 | PDiag(diag::err_omp_declare_variant_doesnt_support)), | ||||
6330 | PartialDiagnosticAt(VariantRef->getExprLoc(), | ||||
6331 | PDiag(diag::err_omp_declare_variant_diff) | ||||
6332 | << FD->getLocation()), | ||||
6333 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false, | ||||
6334 | /*CLinkageMayDiffer=*/true)) | ||||
6335 | return None; | ||||
6336 | return std::make_pair(FD, cast<Expr>(DRE)); | ||||
6337 | } | ||||
6338 | |||||
6339 | void Sema::ActOnOpenMPDeclareVariantDirective(FunctionDecl *FD, | ||||
6340 | Expr *VariantRef, | ||||
6341 | OMPTraitInfo &TI, | ||||
6342 | SourceRange SR) { | ||||
6343 | auto *NewAttr = | ||||
6344 | OMPDeclareVariantAttr::CreateImplicit(Context, VariantRef, &TI, SR); | ||||
6345 | FD->addAttr(NewAttr); | ||||
6346 | } | ||||
6347 | |||||
6348 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, | ||||
6349 | Stmt *AStmt, | ||||
6350 | SourceLocation StartLoc, | ||||
6351 | SourceLocation EndLoc) { | ||||
6352 | if (!AStmt) | ||||
6353 | return StmtError(); | ||||
6354 | |||||
6355 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
6356 | // 1.2.2 OpenMP Language Terminology | ||||
6357 | // Structured block - An executable statement with a single entry at the | ||||
6358 | // top and a single exit at the bottom. | ||||
6359 | // The point of exit cannot be a branch out of the structured block. | ||||
6360 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
6361 | CS->getCapturedDecl()->setNothrow(); | ||||
6362 | |||||
6363 | setFunctionHasBranchProtectedScope(); | ||||
6364 | |||||
6365 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
6366 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), | ||||
6367 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
6368 | } | ||||
6369 | |||||
6370 | namespace { | ||||
6371 | /// Iteration space of a single for loop. | ||||
6372 | struct LoopIterationSpace final { | ||||
6373 | /// True if the condition operator is the strict compare operator (<, > or | ||||
6374 | /// !=). | ||||
6375 | bool IsStrictCompare = false; | ||||
6376 | /// Condition of the loop. | ||||
6377 | Expr *PreCond = nullptr; | ||||
6378 | /// This expression calculates the number of iterations in the loop. | ||||
6379 | /// It is always possible to calculate it before starting the loop. | ||||
6380 | Expr *NumIterations = nullptr; | ||||
6381 | /// The loop counter variable. | ||||
6382 | Expr *CounterVar = nullptr; | ||||
6383 | /// Private loop counter variable. | ||||
6384 | Expr *PrivateCounterVar = nullptr; | ||||
6385 | /// This is initializer for the initial value of #CounterVar. | ||||
6386 | Expr *CounterInit = nullptr; | ||||
6387 | /// This is step for the #CounterVar used to generate its update: | ||||
6388 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. | ||||
6389 | Expr *CounterStep = nullptr; | ||||
6390 | /// Should step be subtracted? | ||||
6391 | bool Subtract = false; | ||||
6392 | /// Source range of the loop init. | ||||
6393 | SourceRange InitSrcRange; | ||||
6394 | /// Source range of the loop condition. | ||||
6395 | SourceRange CondSrcRange; | ||||
6396 | /// Source range of the loop increment. | ||||
6397 | SourceRange IncSrcRange; | ||||
6398 | /// Minimum value that can have the loop control variable. Used to support | ||||
6399 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, | ||||
6400 | /// since only such variables can be used in non-loop invariant expressions. | ||||
6401 | Expr *MinValue = nullptr; | ||||
6402 | /// Maximum value that can have the loop control variable. Used to support | ||||
6403 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, | ||||
6404 | /// since only such variables can be used in non-loop invariant expressions. | ||||
6405 | Expr *MaxValue = nullptr; | ||||
6406 | /// true, if the lower bound depends on the outer loop control var. | ||||
6407 | bool IsNonRectangularLB = false; | ||||
6408 | /// true, if the upper bound depends on the outer loop control var. | ||||
6409 | bool IsNonRectangularUB = false; | ||||
6410 | /// Index of the loop this loop depends on and forms non-rectangular loop | ||||
6411 | /// nest. | ||||
6412 | unsigned LoopDependentIdx = 0; | ||||
6413 | /// Final condition for the non-rectangular loop nest support. It is used to | ||||
6414 | /// check that the number of iterations for this particular counter must be | ||||
6415 | /// finished. | ||||
6416 | Expr *FinalCondition = nullptr; | ||||
6417 | }; | ||||
6418 | |||||
6419 | /// Helper class for checking canonical form of the OpenMP loops and | ||||
6420 | /// extracting iteration space of each loop in the loop nest, that will be used | ||||
6421 | /// for IR generation. | ||||
6422 | class OpenMPIterationSpaceChecker { | ||||
6423 | /// Reference to Sema. | ||||
6424 | Sema &SemaRef; | ||||
6425 | /// Data-sharing stack. | ||||
6426 | DSAStackTy &Stack; | ||||
6427 | /// A location for diagnostics (when there is no some better location). | ||||
6428 | SourceLocation DefaultLoc; | ||||
6429 | /// A location for diagnostics (when increment is not compatible). | ||||
6430 | SourceLocation ConditionLoc; | ||||
6431 | /// A source location for referring to loop init later. | ||||
6432 | SourceRange InitSrcRange; | ||||
6433 | /// A source location for referring to condition later. | ||||
6434 | SourceRange ConditionSrcRange; | ||||
6435 | /// A source location for referring to increment later. | ||||
6436 | SourceRange IncrementSrcRange; | ||||
6437 | /// Loop variable. | ||||
6438 | ValueDecl *LCDecl = nullptr; | ||||
6439 | /// Reference to loop variable. | ||||
6440 | Expr *LCRef = nullptr; | ||||
6441 | /// Lower bound (initializer for the var). | ||||
6442 | Expr *LB = nullptr; | ||||
6443 | /// Upper bound. | ||||
6444 | Expr *UB = nullptr; | ||||
6445 | /// Loop step (increment). | ||||
6446 | Expr *Step = nullptr; | ||||
6447 | /// This flag is true when condition is one of: | ||||
6448 | /// Var < UB | ||||
6449 | /// Var <= UB | ||||
6450 | /// UB > Var | ||||
6451 | /// UB >= Var | ||||
6452 | /// This will have no value when the condition is != | ||||
6453 | llvm::Optional<bool> TestIsLessOp; | ||||
6454 | /// This flag is true when condition is strict ( < or > ). | ||||
6455 | bool TestIsStrictOp = false; | ||||
6456 | /// This flag is true when step is subtracted on each iteration. | ||||
6457 | bool SubtractStep = false; | ||||
6458 | /// The outer loop counter this loop depends on (if any). | ||||
6459 | const ValueDecl *DepDecl = nullptr; | ||||
6460 | /// Contains number of loop (starts from 1) on which loop counter init | ||||
6461 | /// expression of this loop depends on. | ||||
6462 | Optional<unsigned> InitDependOnLC; | ||||
6463 | /// Contains number of loop (starts from 1) on which loop counter condition | ||||
6464 | /// expression of this loop depends on. | ||||
6465 | Optional<unsigned> CondDependOnLC; | ||||
6466 | /// Checks if the provide statement depends on the loop counter. | ||||
6467 | Optional<unsigned> doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); | ||||
6468 | /// Original condition required for checking of the exit condition for | ||||
6469 | /// non-rectangular loop. | ||||
6470 | Expr *Condition = nullptr; | ||||
6471 | |||||
6472 | public: | ||||
6473 | OpenMPIterationSpaceChecker(Sema &SemaRef, DSAStackTy &Stack, | ||||
6474 | SourceLocation DefaultLoc) | ||||
6475 | : SemaRef(SemaRef), Stack(Stack), DefaultLoc(DefaultLoc), | ||||
6476 | ConditionLoc(DefaultLoc) {} | ||||
6477 | /// Check init-expr for canonical loop form and save loop counter | ||||
6478 | /// variable - #Var and its initialization value - #LB. | ||||
6479 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); | ||||
6480 | /// Check test-expr for canonical form, save upper-bound (#UB), flags | ||||
6481 | /// for less/greater and for strict/non-strict comparison. | ||||
6482 | bool checkAndSetCond(Expr *S); | ||||
6483 | /// Check incr-expr for canonical loop form and return true if it | ||||
6484 | /// does not conform, otherwise save loop step (#Step). | ||||
6485 | bool checkAndSetInc(Expr *S); | ||||
6486 | /// Return the loop counter variable. | ||||
6487 | ValueDecl *getLoopDecl() const { return LCDecl; } | ||||
6488 | /// Return the reference expression to loop counter variable. | ||||
6489 | Expr *getLoopDeclRefExpr() const { return LCRef; } | ||||
6490 | /// Source range of the loop init. | ||||
6491 | SourceRange getInitSrcRange() const { return InitSrcRange; } | ||||
6492 | /// Source range of the loop condition. | ||||
6493 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } | ||||
6494 | /// Source range of the loop increment. | ||||
6495 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } | ||||
6496 | /// True if the step should be subtracted. | ||||
6497 | bool shouldSubtractStep() const { return SubtractStep; } | ||||
6498 | /// True, if the compare operator is strict (<, > or !=). | ||||
6499 | bool isStrictTestOp() const { return TestIsStrictOp; } | ||||
6500 | /// Build the expression to calculate the number of iterations. | ||||
6501 | Expr *buildNumIterations( | ||||
6502 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | ||||
6503 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||
6504 | /// Build the precondition expression for the loops. | ||||
6505 | Expr * | ||||
6506 | buildPreCond(Scope *S, Expr *Cond, | ||||
6507 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||
6508 | /// Build reference expression to the counter be used for codegen. | ||||
6509 | DeclRefExpr * | ||||
6510 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||
6511 | DSAStackTy &DSA) const; | ||||
6512 | /// Build reference expression to the private counter be used for | ||||
6513 | /// codegen. | ||||
6514 | Expr *buildPrivateCounterVar() const; | ||||
6515 | /// Build initialization of the counter be used for codegen. | ||||
6516 | Expr *buildCounterInit() const; | ||||
6517 | /// Build step of the counter be used for codegen. | ||||
6518 | Expr *buildCounterStep() const; | ||||
6519 | /// Build loop data with counter value for depend clauses in ordered | ||||
6520 | /// directives. | ||||
6521 | Expr * | ||||
6522 | buildOrderedLoopData(Scope *S, Expr *Counter, | ||||
6523 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||
6524 | SourceLocation Loc, Expr *Inc = nullptr, | ||||
6525 | OverloadedOperatorKind OOK = OO_Amp); | ||||
6526 | /// Builds the minimum value for the loop counter. | ||||
6527 | std::pair<Expr *, Expr *> buildMinMaxValues( | ||||
6528 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||
6529 | /// Builds final condition for the non-rectangular loops. | ||||
6530 | Expr *buildFinalCondition(Scope *S) const; | ||||
6531 | /// Return true if any expression is dependent. | ||||
6532 | bool dependent() const; | ||||
6533 | /// Returns true if the initializer forms non-rectangular loop. | ||||
6534 | bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } | ||||
6535 | /// Returns true if the condition forms non-rectangular loop. | ||||
6536 | bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } | ||||
6537 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. | ||||
6538 | unsigned getLoopDependentIdx() const { | ||||
6539 | return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); | ||||
6540 | } | ||||
6541 | |||||
6542 | private: | ||||
6543 | /// Check the right-hand side of an assignment in the increment | ||||
6544 | /// expression. | ||||
6545 | bool checkAndSetIncRHS(Expr *RHS); | ||||
6546 | /// Helper to set loop counter variable and its initializer. | ||||
6547 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, | ||||
6548 | bool EmitDiags); | ||||
6549 | /// Helper to set upper bound. | ||||
6550 | bool setUB(Expr *NewUB, llvm::Optional<bool> LessOp, bool StrictOp, | ||||
6551 | SourceRange SR, SourceLocation SL); | ||||
6552 | /// Helper to set loop increment. | ||||
6553 | bool setStep(Expr *NewStep, bool Subtract); | ||||
6554 | }; | ||||
6555 | |||||
6556 | bool OpenMPIterationSpaceChecker::dependent() const { | ||||
6557 | if (!LCDecl) { | ||||
6558 | assert(!LB && !UB && !Step)((!LB && !UB && !Step) ? static_cast<void> (0) : __assert_fail ("!LB && !UB && !Step", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6558, __PRETTY_FUNCTION__)); | ||||
6559 | return false; | ||||
6560 | } | ||||
6561 | return LCDecl->getType()->isDependentType() || | ||||
6562 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || | ||||
6563 | (Step && Step->isValueDependent()); | ||||
6564 | } | ||||
6565 | |||||
6566 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, | ||||
6567 | Expr *NewLCRefExpr, | ||||
6568 | Expr *NewLB, bool EmitDiags) { | ||||
6569 | // State consistency checking to ensure correct usage. | ||||
6570 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&((LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast <void> (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6571, __PRETTY_FUNCTION__)) | ||||
6571 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast <void> (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6571, __PRETTY_FUNCTION__)); | ||||
6572 | if (!NewLCDecl || !NewLB) | ||||
6573 | return true; | ||||
6574 | LCDecl = getCanonicalDecl(NewLCDecl); | ||||
6575 | LCRef = NewLCRefExpr; | ||||
6576 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) | ||||
6577 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | ||||
6578 | if ((Ctor->isCopyOrMoveConstructor() || | ||||
6579 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | ||||
6580 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | ||||
6581 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); | ||||
6582 | LB = NewLB; | ||||
6583 | if (EmitDiags) | ||||
6584 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); | ||||
6585 | return false; | ||||
6586 | } | ||||
6587 | |||||
6588 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, | ||||
6589 | llvm::Optional<bool> LessOp, | ||||
6590 | bool StrictOp, SourceRange SR, | ||||
6591 | SourceLocation SL) { | ||||
6592 | // State consistency checking to ensure correct usage. | ||||
6593 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&((LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6594, __PRETTY_FUNCTION__)) | ||||
6594 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6594, __PRETTY_FUNCTION__)); | ||||
6595 | if (!NewUB) | ||||
6596 | return true; | ||||
6597 | UB = NewUB; | ||||
6598 | if (LessOp) | ||||
6599 | TestIsLessOp = LessOp; | ||||
6600 | TestIsStrictOp = StrictOp; | ||||
6601 | ConditionSrcRange = SR; | ||||
6602 | ConditionLoc = SL; | ||||
6603 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); | ||||
6604 | return false; | ||||
6605 | } | ||||
6606 | |||||
6607 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { | ||||
6608 | // State consistency checking to ensure correct usage. | ||||
6609 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)((LCDecl != nullptr && LB != nullptr && Step == nullptr) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && Step == nullptr" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6609, __PRETTY_FUNCTION__)); | ||||
6610 | if (!NewStep) | ||||
6611 | return true; | ||||
6612 | if (!NewStep->isValueDependent()) { | ||||
6613 | // Check that the step is integer expression. | ||||
6614 | SourceLocation StepLoc = NewStep->getBeginLoc(); | ||||
6615 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( | ||||
6616 | StepLoc, getExprAsWritten(NewStep)); | ||||
6617 | if (Val.isInvalid()) | ||||
6618 | return true; | ||||
6619 | NewStep = Val.get(); | ||||
6620 | |||||
6621 | // OpenMP [2.6, Canonical Loop Form, Restrictions] | ||||
6622 | // If test-expr is of form var relational-op b and relational-op is < or | ||||
6623 | // <= then incr-expr must cause var to increase on each iteration of the | ||||
6624 | // loop. If test-expr is of form var relational-op b and relational-op is | ||||
6625 | // > or >= then incr-expr must cause var to decrease on each iteration of | ||||
6626 | // the loop. | ||||
6627 | // If test-expr is of form b relational-op var and relational-op is < or | ||||
6628 | // <= then incr-expr must cause var to decrease on each iteration of the | ||||
6629 | // loop. If test-expr is of form b relational-op var and relational-op is | ||||
6630 | // > or >= then incr-expr must cause var to increase on each iteration of | ||||
6631 | // the loop. | ||||
6632 | Optional<llvm::APSInt> Result = | ||||
6633 | NewStep->getIntegerConstantExpr(SemaRef.Context); | ||||
6634 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); | ||||
6635 | bool IsConstNeg = | ||||
6636 | Result && Result->isSigned() && (Subtract != Result->isNegative()); | ||||
6637 | bool IsConstPos = | ||||
6638 | Result && Result->isSigned() && (Subtract == Result->isNegative()); | ||||
6639 | bool IsConstZero = Result && !Result->getBoolValue(); | ||||
6640 | |||||
6641 | // != with increment is treated as <; != with decrement is treated as > | ||||
6642 | if (!TestIsLessOp.hasValue()) | ||||
6643 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); | ||||
6644 | if (UB && (IsConstZero || | ||||
6645 | (TestIsLessOp.getValue() ? | ||||
6646 | (IsConstNeg || (IsUnsigned && Subtract)) : | ||||
6647 | (IsConstPos || (IsUnsigned && !Subtract))))) { | ||||
6648 | SemaRef.Diag(NewStep->getExprLoc(), | ||||
6649 | diag::err_omp_loop_incr_not_compatible) | ||||
6650 | << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); | ||||
6651 | SemaRef.Diag(ConditionLoc, | ||||
6652 | diag::note_omp_loop_cond_requres_compatible_incr) | ||||
6653 | << TestIsLessOp.getValue() << ConditionSrcRange; | ||||
6654 | return true; | ||||
6655 | } | ||||
6656 | if (TestIsLessOp.getValue() == Subtract) { | ||||
6657 | NewStep = | ||||
6658 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) | ||||
6659 | .get(); | ||||
6660 | Subtract = !Subtract; | ||||
6661 | } | ||||
6662 | } | ||||
6663 | |||||
6664 | Step = NewStep; | ||||
6665 | SubtractStep = Subtract; | ||||
6666 | return false; | ||||
6667 | } | ||||
6668 | |||||
6669 | namespace { | ||||
6670 | /// Checker for the non-rectangular loops. Checks if the initializer or | ||||
6671 | /// condition expression references loop counter variable. | ||||
6672 | class LoopCounterRefChecker final | ||||
6673 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { | ||||
6674 | Sema &SemaRef; | ||||
6675 | DSAStackTy &Stack; | ||||
6676 | const ValueDecl *CurLCDecl = nullptr; | ||||
6677 | const ValueDecl *DepDecl = nullptr; | ||||
6678 | const ValueDecl *PrevDepDecl = nullptr; | ||||
6679 | bool IsInitializer = true; | ||||
6680 | unsigned BaseLoopId = 0; | ||||
6681 | bool checkDecl(const Expr *E, const ValueDecl *VD) { | ||||
6682 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { | ||||
6683 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) | ||||
6684 | << (IsInitializer ? 0 : 1); | ||||
6685 | return false; | ||||
6686 | } | ||||
6687 | const auto &&Data = Stack.isLoopControlVariable(VD); | ||||
6688 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. | ||||
6689 | // The type of the loop iterator on which we depend may not have a random | ||||
6690 | // access iterator type. | ||||
6691 | if (Data.first && VD->getType()->isRecordType()) { | ||||
6692 | SmallString<128> Name; | ||||
6693 | llvm::raw_svector_ostream OS(Name); | ||||
6694 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | ||||
6695 | /*Qualified=*/true); | ||||
6696 | SemaRef.Diag(E->getExprLoc(), | ||||
6697 | diag::err_omp_wrong_dependency_iterator_type) | ||||
6698 | << OS.str(); | ||||
6699 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; | ||||
6700 | return false; | ||||
6701 | } | ||||
6702 | if (Data.first && | ||||
6703 | (DepDecl || (PrevDepDecl && | ||||
6704 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { | ||||
6705 | if (!DepDecl && PrevDepDecl) | ||||
6706 | DepDecl = PrevDepDecl; | ||||
6707 | SmallString<128> Name; | ||||
6708 | llvm::raw_svector_ostream OS(Name); | ||||
6709 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | ||||
6710 | /*Qualified=*/true); | ||||
6711 | SemaRef.Diag(E->getExprLoc(), | ||||
6712 | diag::err_omp_invariant_or_linear_dependency) | ||||
6713 | << OS.str(); | ||||
6714 | return false; | ||||
6715 | } | ||||
6716 | if (Data.first) { | ||||
6717 | DepDecl = VD; | ||||
6718 | BaseLoopId = Data.first; | ||||
6719 | } | ||||
6720 | return Data.first; | ||||
6721 | } | ||||
6722 | |||||
6723 | public: | ||||
6724 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||
6725 | const ValueDecl *VD = E->getDecl(); | ||||
6726 | if (isa<VarDecl>(VD)) | ||||
6727 | return checkDecl(E, VD); | ||||
6728 | return false; | ||||
6729 | } | ||||
6730 | bool VisitMemberExpr(const MemberExpr *E) { | ||||
6731 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { | ||||
6732 | const ValueDecl *VD = E->getMemberDecl(); | ||||
6733 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) | ||||
6734 | return checkDecl(E, VD); | ||||
6735 | } | ||||
6736 | return false; | ||||
6737 | } | ||||
6738 | bool VisitStmt(const Stmt *S) { | ||||
6739 | bool Res = false; | ||||
6740 | for (const Stmt *Child : S->children()) | ||||
6741 | Res = (Child && Visit(Child)) || Res; | ||||
6742 | return Res; | ||||
6743 | } | ||||
6744 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, | ||||
6745 | const ValueDecl *CurLCDecl, bool IsInitializer, | ||||
6746 | const ValueDecl *PrevDepDecl = nullptr) | ||||
6747 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), | ||||
6748 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer) {} | ||||
6749 | unsigned getBaseLoopId() const { | ||||
6750 | assert(CurLCDecl && "Expected loop dependency.")((CurLCDecl && "Expected loop dependency.") ? static_cast <void> (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6750, __PRETTY_FUNCTION__)); | ||||
6751 | return BaseLoopId; | ||||
6752 | } | ||||
6753 | const ValueDecl *getDepDecl() const { | ||||
6754 | assert(CurLCDecl && "Expected loop dependency.")((CurLCDecl && "Expected loop dependency.") ? static_cast <void> (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 6754, __PRETTY_FUNCTION__)); | ||||
6755 | return DepDecl; | ||||
6756 | } | ||||
6757 | }; | ||||
6758 | } // namespace | ||||
6759 | |||||
6760 | Optional<unsigned> | ||||
6761 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, | ||||
6762 | bool IsInitializer) { | ||||
6763 | // Check for the non-rectangular loops. | ||||
6764 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, | ||||
6765 | DepDecl); | ||||
6766 | if (LoopStmtChecker.Visit(S)) { | ||||
6767 | DepDecl = LoopStmtChecker.getDepDecl(); | ||||
6768 | return LoopStmtChecker.getBaseLoopId(); | ||||
6769 | } | ||||
6770 | return llvm::None; | ||||
6771 | } | ||||
6772 | |||||
6773 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { | ||||
6774 | // Check init-expr for canonical loop form and save loop counter | ||||
6775 | // variable - #Var and its initialization value - #LB. | ||||
6776 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: | ||||
6777 | // var = lb | ||||
6778 | // integer-type var = lb | ||||
6779 | // random-access-iterator-type var = lb | ||||
6780 | // pointer-type var = lb | ||||
6781 | // | ||||
6782 | if (!S) { | ||||
6783 | if (EmitDiags) { | ||||
6784 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); | ||||
6785 | } | ||||
6786 | return true; | ||||
6787 | } | ||||
6788 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | ||||
6789 | if (!ExprTemp->cleanupsHaveSideEffects()) | ||||
6790 | S = ExprTemp->getSubExpr(); | ||||
6791 | |||||
6792 | InitSrcRange = S->getSourceRange(); | ||||
6793 | if (Expr *E = dyn_cast<Expr>(S)) | ||||
6794 | S = E->IgnoreParens(); | ||||
6795 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||
6796 | if (BO->getOpcode() == BO_Assign) { | ||||
6797 | Expr *LHS = BO->getLHS()->IgnoreParens(); | ||||
6798 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | ||||
6799 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | ||||
6800 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||
6801 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6802 | EmitDiags); | ||||
6803 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); | ||||
6804 | } | ||||
6805 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | ||||
6806 | if (ME->isArrow() && | ||||
6807 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||
6808 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6809 | EmitDiags); | ||||
6810 | } | ||||
6811 | } | ||||
6812 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { | ||||
6813 | if (DS->isSingleDecl()) { | ||||
6814 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { | ||||
6815 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { | ||||
6816 | // Accept non-canonical init form here but emit ext. warning. | ||||
6817 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) | ||||
6818 | SemaRef.Diag(S->getBeginLoc(), | ||||
6819 | diag::ext_omp_loop_not_canonical_init) | ||||
6820 | << S->getSourceRange(); | ||||
6821 | return setLCDeclAndLB( | ||||
6822 | Var, | ||||
6823 | buildDeclRefExpr(SemaRef, Var, | ||||
6824 | Var->getType().getNonReferenceType(), | ||||
6825 | DS->getBeginLoc()), | ||||
6826 | Var->getInit(), EmitDiags); | ||||
6827 | } | ||||
6828 | } | ||||
6829 | } | ||||
6830 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||
6831 | if (CE->getOperator() == OO_Equal) { | ||||
6832 | Expr *LHS = CE->getArg(0); | ||||
6833 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | ||||
6834 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | ||||
6835 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||
6836 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6837 | EmitDiags); | ||||
6838 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); | ||||
6839 | } | ||||
6840 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | ||||
6841 | if (ME->isArrow() && | ||||
6842 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||
6843 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6844 | EmitDiags); | ||||
6845 | } | ||||
6846 | } | ||||
6847 | } | ||||
6848 | |||||
6849 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
6850 | return false; | ||||
6851 | if (EmitDiags) { | ||||
6852 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) | ||||
6853 | << S->getSourceRange(); | ||||
6854 | } | ||||
6855 | return true; | ||||
6856 | } | ||||
6857 | |||||
6858 | /// Ignore parenthesizes, implicit casts, copy constructor and return the | ||||
6859 | /// variable (which may be the loop variable) if possible. | ||||
6860 | static const ValueDecl *getInitLCDecl(const Expr *E) { | ||||
6861 | if (!E) | ||||
6862 | return nullptr; | ||||
6863 | E = getExprAsWritten(E); | ||||
6864 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) | ||||
6865 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | ||||
6866 | if ((Ctor->isCopyOrMoveConstructor() || | ||||
6867 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | ||||
6868 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | ||||
6869 | E = CE->getArg(0)->IgnoreParenImpCasts(); | ||||
6870 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { | ||||
6871 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) | ||||
6872 | return getCanonicalDecl(VD); | ||||
6873 | } | ||||
6874 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) | ||||
6875 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||
6876 | return getCanonicalDecl(ME->getMemberDecl()); | ||||
6877 | return nullptr; | ||||
6878 | } | ||||
6879 | |||||
6880 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { | ||||
6881 | // Check test-expr for canonical form, save upper-bound UB, flags for | ||||
6882 | // less/greater and for strict/non-strict comparison. | ||||
6883 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: | ||||
6884 | // var relational-op b | ||||
6885 | // b relational-op var | ||||
6886 | // | ||||
6887 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; | ||||
6888 | if (!S) { | ||||
6889 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) | ||||
6890 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; | ||||
6891 | return true; | ||||
6892 | } | ||||
6893 | Condition = S; | ||||
6894 | S = getExprAsWritten(S); | ||||
6895 | SourceLocation CondLoc = S->getBeginLoc(); | ||||
6896 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||
6897 | if (BO->isRelationalOp()) { | ||||
6898 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
6899 | return setUB(BO->getRHS(), | ||||
6900 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_LE), | ||||
6901 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | ||||
6902 | BO->getSourceRange(), BO->getOperatorLoc()); | ||||
6903 | if (getInitLCDecl(BO->getRHS()) == LCDecl) | ||||
6904 | return setUB(BO->getLHS(), | ||||
6905 | (BO->getOpcode() == BO_GT || BO->getOpcode() == BO_GE), | ||||
6906 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | ||||
6907 | BO->getSourceRange(), BO->getOperatorLoc()); | ||||
6908 | } else if (IneqCondIsCanonical && BO->getOpcode() == BO_NE) | ||||
6909 | return setUB( | ||||
6910 | getInitLCDecl(BO->getLHS()) == LCDecl ? BO->getRHS() : BO->getLHS(), | ||||
6911 | /*LessOp=*/llvm::None, | ||||
6912 | /*StrictOp=*/true, BO->getSourceRange(), BO->getOperatorLoc()); | ||||
6913 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||
6914 | if (CE->getNumArgs() == 2) { | ||||
6915 | auto Op = CE->getOperator(); | ||||
6916 | switch (Op) { | ||||
6917 | case OO_Greater: | ||||
6918 | case OO_GreaterEqual: | ||||
6919 | case OO_Less: | ||||
6920 | case OO_LessEqual: | ||||
6921 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
6922 | return setUB(CE->getArg(1), Op == OO_Less || Op == OO_LessEqual, | ||||
6923 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | ||||
6924 | CE->getOperatorLoc()); | ||||
6925 | if (getInitLCDecl(CE->getArg(1)) == LCDecl) | ||||
6926 | return setUB(CE->getArg(0), Op == OO_Greater || Op == OO_GreaterEqual, | ||||
6927 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | ||||
6928 | CE->getOperatorLoc()); | ||||
6929 | break; | ||||
6930 | case OO_ExclaimEqual: | ||||
6931 | if (IneqCondIsCanonical) | ||||
6932 | return setUB(getInitLCDecl(CE->getArg(0)) == LCDecl ? CE->getArg(1) | ||||
6933 | : CE->getArg(0), | ||||
6934 | /*LessOp=*/llvm::None, | ||||
6935 | /*StrictOp=*/true, CE->getSourceRange(), | ||||
6936 | CE->getOperatorLoc()); | ||||
6937 | break; | ||||
6938 | default: | ||||
6939 | break; | ||||
6940 | } | ||||
6941 | } | ||||
6942 | } | ||||
6943 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
6944 | return false; | ||||
6945 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) | ||||
6946 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; | ||||
6947 | return true; | ||||
6948 | } | ||||
6949 | |||||
6950 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { | ||||
6951 | // RHS of canonical loop form increment can be: | ||||
6952 | // var + incr | ||||
6953 | // incr + var | ||||
6954 | // var - incr | ||||
6955 | // | ||||
6956 | RHS = RHS->IgnoreParenImpCasts(); | ||||
6957 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { | ||||
6958 | if (BO->isAdditiveOp()) { | ||||
6959 | bool IsAdd = BO->getOpcode() == BO_Add; | ||||
6960 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
6961 | return setStep(BO->getRHS(), !IsAdd); | ||||
6962 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) | ||||
6963 | return setStep(BO->getLHS(), /*Subtract=*/false); | ||||
6964 | } | ||||
6965 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { | ||||
6966 | bool IsAdd = CE->getOperator() == OO_Plus; | ||||
6967 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { | ||||
6968 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
6969 | return setStep(CE->getArg(1), !IsAdd); | ||||
6970 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) | ||||
6971 | return setStep(CE->getArg(0), /*Subtract=*/false); | ||||
6972 | } | ||||
6973 | } | ||||
6974 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
6975 | return false; | ||||
6976 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | ||||
6977 | << RHS->getSourceRange() << LCDecl; | ||||
6978 | return true; | ||||
6979 | } | ||||
6980 | |||||
6981 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { | ||||
6982 | // Check incr-expr for canonical loop form and return true if it | ||||
6983 | // does not conform. | ||||
6984 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: | ||||
6985 | // ++var | ||||
6986 | // var++ | ||||
6987 | // --var | ||||
6988 | // var-- | ||||
6989 | // var += incr | ||||
6990 | // var -= incr | ||||
6991 | // var = var + incr | ||||
6992 | // var = incr + var | ||||
6993 | // var = var - incr | ||||
6994 | // | ||||
6995 | if (!S) { | ||||
6996 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; | ||||
6997 | return true; | ||||
6998 | } | ||||
6999 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | ||||
7000 | if (!ExprTemp->cleanupsHaveSideEffects()) | ||||
7001 | S = ExprTemp->getSubExpr(); | ||||
7002 | |||||
7003 | IncrementSrcRange = S->getSourceRange(); | ||||
7004 | S = S->IgnoreParens(); | ||||
7005 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { | ||||
7006 | if (UO->isIncrementDecrementOp() && | ||||
7007 | getInitLCDecl(UO->getSubExpr()) == LCDecl) | ||||
7008 | return setStep(SemaRef | ||||
7009 | .ActOnIntegerConstant(UO->getBeginLoc(), | ||||
7010 | (UO->isDecrementOp() ? -1 : 1)) | ||||
7011 | .get(), | ||||
7012 | /*Subtract=*/false); | ||||
7013 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||
7014 | switch (BO->getOpcode()) { | ||||
7015 | case BO_AddAssign: | ||||
7016 | case BO_SubAssign: | ||||
7017 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
7018 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); | ||||
7019 | break; | ||||
7020 | case BO_Assign: | ||||
7021 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
7022 | return checkAndSetIncRHS(BO->getRHS()); | ||||
7023 | break; | ||||
7024 | default: | ||||
7025 | break; | ||||
7026 | } | ||||
7027 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||
7028 | switch (CE->getOperator()) { | ||||
7029 | case OO_PlusPlus: | ||||
7030 | case OO_MinusMinus: | ||||
7031 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
7032 | return setStep(SemaRef | ||||
7033 | .ActOnIntegerConstant( | ||||
7034 | CE->getBeginLoc(), | ||||
7035 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) | ||||
7036 | .get(), | ||||
7037 | /*Subtract=*/false); | ||||
7038 | break; | ||||
7039 | case OO_PlusEqual: | ||||
7040 | case OO_MinusEqual: | ||||
7041 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
7042 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); | ||||
7043 | break; | ||||
7044 | case OO_Equal: | ||||
7045 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
7046 | return checkAndSetIncRHS(CE->getArg(1)); | ||||
7047 | break; | ||||
7048 | default: | ||||
7049 | break; | ||||
7050 | } | ||||
7051 | } | ||||
7052 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
7053 | return false; | ||||
7054 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | ||||
7055 | << S->getSourceRange() << LCDecl; | ||||
7056 | return true; | ||||
7057 | } | ||||
7058 | |||||
7059 | static ExprResult | ||||
7060 | tryBuildCapture(Sema &SemaRef, Expr *Capture, | ||||
7061 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
7062 | if (SemaRef.CurContext->isDependentContext() || Capture->containsErrors()) | ||||
7063 | return Capture; | ||||
7064 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) | ||||
7065 | return SemaRef.PerformImplicitConversion( | ||||
7066 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, | ||||
7067 | /*AllowExplicit=*/true); | ||||
7068 | auto I = Captures.find(Capture); | ||||
7069 | if (I != Captures.end()) | ||||
7070 | return buildCapture(SemaRef, Capture, I->second); | ||||
7071 | DeclRefExpr *Ref = nullptr; | ||||
7072 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); | ||||
7073 | Captures[Capture] = Ref; | ||||
7074 | return Res; | ||||
7075 | } | ||||
7076 | |||||
7077 | /// Calculate number of iterations, transforming to unsigned, if number of | ||||
7078 | /// iterations may be larger than the original type. | ||||
7079 | static Expr * | ||||
7080 | calculateNumIters(Sema &SemaRef, Scope *S, SourceLocation DefaultLoc, | ||||
7081 | Expr *Lower, Expr *Upper, Expr *Step, QualType LCTy, | ||||
7082 | bool TestIsStrictOp, bool RoundToStep, | ||||
7083 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
7084 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | ||||
7085 | if (!NewStep.isUsable()) | ||||
7086 | return nullptr; | ||||
7087 | llvm::APSInt LRes, SRes; | ||||
7088 | bool IsLowerConst = false, IsStepConst = false; | ||||
7089 | if (Optional<llvm::APSInt> Res = Lower->getIntegerConstantExpr(SemaRef.Context)) { | ||||
7090 | LRes = *Res; | ||||
7091 | IsLowerConst = true; | ||||
7092 | } | ||||
7093 | if (Optional<llvm::APSInt> Res = Step->getIntegerConstantExpr(SemaRef.Context)) { | ||||
7094 | SRes = *Res; | ||||
7095 | IsStepConst = true; | ||||
7096 | } | ||||
7097 | bool NoNeedToConvert = IsLowerConst && !RoundToStep && | ||||
7098 | ((!TestIsStrictOp && LRes.isNonNegative()) || | ||||
7099 | (TestIsStrictOp && LRes.isStrictlyPositive())); | ||||
7100 | bool NeedToReorganize = false; | ||||
7101 | // Check if any subexpressions in Lower -Step [+ 1] lead to overflow. | ||||
7102 | if (!NoNeedToConvert && IsLowerConst && | ||||
7103 | (TestIsStrictOp || (RoundToStep && IsStepConst))) { | ||||
7104 | NoNeedToConvert = true; | ||||
7105 | if (RoundToStep) { | ||||
7106 | unsigned BW = LRes.getBitWidth() > SRes.getBitWidth() | ||||
7107 | ? LRes.getBitWidth() | ||||
7108 | : SRes.getBitWidth(); | ||||
7109 | LRes = LRes.extend(BW + 1); | ||||
7110 | LRes.setIsSigned(true); | ||||
7111 | SRes = SRes.extend(BW + 1); | ||||
7112 | SRes.setIsSigned(true); | ||||
7113 | LRes -= SRes; | ||||
7114 | NoNeedToConvert = LRes.trunc(BW).extend(BW + 1) == LRes; | ||||
7115 | LRes = LRes.trunc(BW); | ||||
7116 | } | ||||
7117 | if (TestIsStrictOp) { | ||||
7118 | unsigned BW = LRes.getBitWidth(); | ||||
7119 | LRes = LRes.extend(BW + 1); | ||||
7120 | LRes.setIsSigned(true); | ||||
7121 | ++LRes; | ||||
7122 | NoNeedToConvert = | ||||
7123 | NoNeedToConvert && LRes.trunc(BW).extend(BW + 1) == LRes; | ||||
7124 | // truncate to the original bitwidth. | ||||
7125 | LRes = LRes.trunc(BW); | ||||
7126 | } | ||||
7127 | NeedToReorganize = NoNeedToConvert; | ||||
7128 | } | ||||
7129 | llvm::APSInt URes; | ||||
7130 | bool IsUpperConst = false; | ||||
7131 | if (Optional<llvm::APSInt> Res = Upper->getIntegerConstantExpr(SemaRef.Context)) { | ||||
7132 | URes = *Res; | ||||
7133 | IsUpperConst = true; | ||||
7134 | } | ||||
7135 | if (NoNeedToConvert && IsLowerConst && IsUpperConst && | ||||
7136 | (!RoundToStep || IsStepConst)) { | ||||
7137 | unsigned BW = LRes.getBitWidth() > URes.getBitWidth() ? LRes.getBitWidth() | ||||
7138 | : URes.getBitWidth(); | ||||
7139 | LRes = LRes.extend(BW + 1); | ||||
7140 | LRes.setIsSigned(true); | ||||
7141 | URes = URes.extend(BW + 1); | ||||
7142 | URes.setIsSigned(true); | ||||
7143 | URes -= LRes; | ||||
7144 | NoNeedToConvert = URes.trunc(BW).extend(BW + 1) == URes; | ||||
7145 | NeedToReorganize = NoNeedToConvert; | ||||
7146 | } | ||||
7147 | // If the boundaries are not constant or (Lower - Step [+ 1]) is not constant | ||||
7148 | // or less than zero (Upper - (Lower - Step [+ 1]) may overflow) - promote to | ||||
7149 | // unsigned. | ||||
7150 | if ((!NoNeedToConvert || (LRes.isNegative() && !IsUpperConst)) && | ||||
7151 | !LCTy->isDependentType() && LCTy->isIntegerType()) { | ||||
7152 | QualType LowerTy = Lower->getType(); | ||||
7153 | QualType UpperTy = Upper->getType(); | ||||
7154 | uint64_t LowerSize = SemaRef.Context.getTypeSize(LowerTy); | ||||
7155 | uint64_t UpperSize = SemaRef.Context.getTypeSize(UpperTy); | ||||
7156 | if ((LowerSize <= UpperSize && UpperTy->hasSignedIntegerRepresentation()) || | ||||
7157 | (LowerSize > UpperSize && LowerTy->hasSignedIntegerRepresentation())) { | ||||
7158 | QualType CastType = SemaRef.Context.getIntTypeForBitwidth( | ||||
7159 | LowerSize > UpperSize ? LowerSize : UpperSize, /*Signed=*/0); | ||||
7160 | Upper = | ||||
7161 | SemaRef | ||||
7162 | .PerformImplicitConversion( | ||||
7163 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), | ||||
7164 | CastType, Sema::AA_Converting) | ||||
7165 | .get(); | ||||
7166 | Lower = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(); | ||||
7167 | NewStep = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, NewStep.get()); | ||||
7168 | } | ||||
7169 | } | ||||
7170 | if (!Lower || !Upper || NewStep.isInvalid()) | ||||
7171 | return nullptr; | ||||
7172 | |||||
7173 | ExprResult Diff; | ||||
7174 | // If need to reorganize, then calculate the form as Upper - (Lower - Step [+ | ||||
7175 | // 1]). | ||||
7176 | if (NeedToReorganize) { | ||||
7177 | Diff = Lower; | ||||
7178 | |||||
7179 | if (RoundToStep) { | ||||
7180 | // Lower - Step | ||||
7181 | Diff = | ||||
7182 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Diff.get(), NewStep.get()); | ||||
7183 | if (!Diff.isUsable()) | ||||
7184 | return nullptr; | ||||
7185 | } | ||||
7186 | |||||
7187 | // Lower - Step [+ 1] | ||||
7188 | if (TestIsStrictOp) | ||||
7189 | Diff = SemaRef.BuildBinOp( | ||||
7190 | S, DefaultLoc, BO_Add, Diff.get(), | ||||
7191 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
7192 | if (!Diff.isUsable()) | ||||
7193 | return nullptr; | ||||
7194 | |||||
7195 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
7196 | if (!Diff.isUsable()) | ||||
7197 | return nullptr; | ||||
7198 | |||||
7199 | // Upper - (Lower - Step [+ 1]). | ||||
7200 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); | ||||
7201 | if (!Diff.isUsable()) | ||||
7202 | return nullptr; | ||||
7203 | } else { | ||||
7204 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | ||||
7205 | |||||
7206 | if (!Diff.isUsable() && LCTy->getAsCXXRecordDecl()) { | ||||
7207 | // BuildBinOp already emitted error, this one is to point user to upper | ||||
7208 | // and lower bound, and to tell what is passed to 'operator-'. | ||||
7209 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) | ||||
7210 | << Upper->getSourceRange() << Lower->getSourceRange(); | ||||
7211 | return nullptr; | ||||
7212 | } | ||||
7213 | |||||
7214 | if (!Diff.isUsable()) | ||||
7215 | return nullptr; | ||||
7216 | |||||
7217 | // Upper - Lower [- 1] | ||||
7218 | if (TestIsStrictOp) | ||||
7219 | Diff = SemaRef.BuildBinOp( | ||||
7220 | S, DefaultLoc, BO_Sub, Diff.get(), | ||||
7221 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
7222 | if (!Diff.isUsable()) | ||||
7223 | return nullptr; | ||||
7224 | |||||
7225 | if (RoundToStep) { | ||||
7226 | // Upper - Lower [- 1] + Step | ||||
7227 | Diff = | ||||
7228 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); | ||||
7229 | if (!Diff.isUsable()) | ||||
7230 | return nullptr; | ||||
7231 | } | ||||
7232 | } | ||||
7233 | |||||
7234 | // Parentheses (for dumping/debugging purposes only). | ||||
7235 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
7236 | if (!Diff.isUsable()) | ||||
7237 | return nullptr; | ||||
7238 | |||||
7239 | // (Upper - Lower [- 1] + Step) / Step or (Upper - Lower) / Step | ||||
7240 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | ||||
7241 | if (!Diff.isUsable()) | ||||
7242 | return nullptr; | ||||
7243 | |||||
7244 | return Diff.get(); | ||||
7245 | } | ||||
7246 | |||||
7247 | /// Build the expression to calculate the number of iterations. | ||||
7248 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( | ||||
7249 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | ||||
7250 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||
7251 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
7252 | if (!VarType->isIntegerType() && !VarType->isPointerType() && | ||||
7253 | !SemaRef.getLangOpts().CPlusPlus) | ||||
7254 | return nullptr; | ||||
7255 | Expr *LBVal = LB; | ||||
7256 | Expr *UBVal = UB; | ||||
7257 | // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : | ||||
7258 | // max(LB(MinVal), LB(MaxVal)) | ||||
7259 | if (InitDependOnLC) { | ||||
7260 | const LoopIterationSpace &IS = | ||||
7261 | ResultIterSpaces[ResultIterSpaces.size() - 1 - | ||||
7262 | InitDependOnLC.getValueOr( | ||||
7263 | CondDependOnLC.getValueOr(0))]; | ||||
7264 | if (!IS.MinValue || !IS.MaxValue) | ||||
7265 | return nullptr; | ||||
7266 | // OuterVar = Min | ||||
7267 | ExprResult MinValue = | ||||
7268 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | ||||
7269 | if (!MinValue.isUsable()) | ||||
7270 | return nullptr; | ||||
7271 | |||||
7272 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
7273 | IS.CounterVar, MinValue.get()); | ||||
7274 | if (!LBMinVal.isUsable()) | ||||
7275 | return nullptr; | ||||
7276 | // OuterVar = Min, LBVal | ||||
7277 | LBMinVal = | ||||
7278 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); | ||||
7279 | if (!LBMinVal.isUsable()) | ||||
7280 | return nullptr; | ||||
7281 | // (OuterVar = Min, LBVal) | ||||
7282 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); | ||||
7283 | if (!LBMinVal.isUsable()) | ||||
7284 | return nullptr; | ||||
7285 | |||||
7286 | // OuterVar = Max | ||||
7287 | ExprResult MaxValue = | ||||
7288 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | ||||
7289 | if (!MaxValue.isUsable()) | ||||
7290 | return nullptr; | ||||
7291 | |||||
7292 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
7293 | IS.CounterVar, MaxValue.get()); | ||||
7294 | if (!LBMaxVal.isUsable()) | ||||
7295 | return nullptr; | ||||
7296 | // OuterVar = Max, LBVal | ||||
7297 | LBMaxVal = | ||||
7298 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); | ||||
7299 | if (!LBMaxVal.isUsable()) | ||||
7300 | return nullptr; | ||||
7301 | // (OuterVar = Max, LBVal) | ||||
7302 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); | ||||
7303 | if (!LBMaxVal.isUsable()) | ||||
7304 | return nullptr; | ||||
7305 | |||||
7306 | Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); | ||||
7307 | Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); | ||||
7308 | if (!LBMin || !LBMax) | ||||
7309 | return nullptr; | ||||
7310 | // LB(MinVal) < LB(MaxVal) | ||||
7311 | ExprResult MinLessMaxRes = | ||||
7312 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); | ||||
7313 | if (!MinLessMaxRes.isUsable()) | ||||
7314 | return nullptr; | ||||
7315 | Expr *MinLessMax = | ||||
7316 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); | ||||
7317 | if (!MinLessMax) | ||||
7318 | return nullptr; | ||||
7319 | if (TestIsLessOp.getValue()) { | ||||
7320 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), | ||||
7321 | // LB(MaxVal)) | ||||
7322 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | ||||
7323 | MinLessMax, LBMin, LBMax); | ||||
7324 | if (!MinLB.isUsable()) | ||||
7325 | return nullptr; | ||||
7326 | LBVal = MinLB.get(); | ||||
7327 | } else { | ||||
7328 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), | ||||
7329 | // LB(MaxVal)) | ||||
7330 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | ||||
7331 | MinLessMax, LBMax, LBMin); | ||||
7332 | if (!MaxLB.isUsable()) | ||||
7333 | return nullptr; | ||||
7334 | LBVal = MaxLB.get(); | ||||
7335 | } | ||||
7336 | } | ||||
7337 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : | ||||
7338 | // min(UB(MinVal), UB(MaxVal)) | ||||
7339 | if (CondDependOnLC) { | ||||
7340 | const LoopIterationSpace &IS = | ||||
7341 | ResultIterSpaces[ResultIterSpaces.size() - 1 - | ||||
7342 | InitDependOnLC.getValueOr( | ||||
7343 | CondDependOnLC.getValueOr(0))]; | ||||
7344 | if (!IS.MinValue || !IS.MaxValue) | ||||
7345 | return nullptr; | ||||
7346 | // OuterVar = Min | ||||
7347 | ExprResult MinValue = | ||||
7348 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | ||||
7349 | if (!MinValue.isUsable()) | ||||
7350 | return nullptr; | ||||
7351 | |||||
7352 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
7353 | IS.CounterVar, MinValue.get()); | ||||
7354 | if (!UBMinVal.isUsable()) | ||||
7355 | return nullptr; | ||||
7356 | // OuterVar = Min, UBVal | ||||
7357 | UBMinVal = | ||||
7358 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); | ||||
7359 | if (!UBMinVal.isUsable()) | ||||
7360 | return nullptr; | ||||
7361 | // (OuterVar = Min, UBVal) | ||||
7362 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); | ||||
7363 | if (!UBMinVal.isUsable()) | ||||
7364 | return nullptr; | ||||
7365 | |||||
7366 | // OuterVar = Max | ||||
7367 | ExprResult MaxValue = | ||||
7368 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | ||||
7369 | if (!MaxValue.isUsable()) | ||||
7370 | return nullptr; | ||||
7371 | |||||
7372 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
7373 | IS.CounterVar, MaxValue.get()); | ||||
7374 | if (!UBMaxVal.isUsable()) | ||||
7375 | return nullptr; | ||||
7376 | // OuterVar = Max, UBVal | ||||
7377 | UBMaxVal = | ||||
7378 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); | ||||
7379 | if (!UBMaxVal.isUsable()) | ||||
7380 | return nullptr; | ||||
7381 | // (OuterVar = Max, UBVal) | ||||
7382 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); | ||||
7383 | if (!UBMaxVal.isUsable()) | ||||
7384 | return nullptr; | ||||
7385 | |||||
7386 | Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); | ||||
7387 | Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); | ||||
7388 | if (!UBMin || !UBMax) | ||||
7389 | return nullptr; | ||||
7390 | // UB(MinVal) > UB(MaxVal) | ||||
7391 | ExprResult MinGreaterMaxRes = | ||||
7392 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); | ||||
7393 | if (!MinGreaterMaxRes.isUsable()) | ||||
7394 | return nullptr; | ||||
7395 | Expr *MinGreaterMax = | ||||
7396 | tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); | ||||
7397 | if (!MinGreaterMax) | ||||
7398 | return nullptr; | ||||
7399 | if (TestIsLessOp.getValue()) { | ||||
7400 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), | ||||
7401 | // UB(MaxVal)) | ||||
7402 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( | ||||
7403 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); | ||||
7404 | if (!MaxUB.isUsable()) | ||||
7405 | return nullptr; | ||||
7406 | UBVal = MaxUB.get(); | ||||
7407 | } else { | ||||
7408 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), | ||||
7409 | // UB(MaxVal)) | ||||
7410 | ExprResult MinUB = SemaRef.ActOnConditionalOp( | ||||
7411 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); | ||||
7412 | if (!MinUB.isUsable()) | ||||
7413 | return nullptr; | ||||
7414 | UBVal = MinUB.get(); | ||||
7415 | } | ||||
7416 | } | ||||
7417 | Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; | ||||
7418 | Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; | ||||
7419 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); | ||||
7420 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); | ||||
7421 | if (!Upper || !Lower) | ||||
7422 | return nullptr; | ||||
7423 | |||||
7424 | ExprResult Diff = | ||||
7425 | calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, Step, VarType, | ||||
7426 | TestIsStrictOp, /*RoundToStep=*/true, Captures); | ||||
7427 | if (!Diff.isUsable()) | ||||
7428 | return nullptr; | ||||
7429 | |||||
7430 | // OpenMP runtime requires 32-bit or 64-bit loop variables. | ||||
7431 | QualType Type = Diff.get()->getType(); | ||||
7432 | ASTContext &C = SemaRef.Context; | ||||
7433 | bool UseVarType = VarType->hasIntegerRepresentation() && | ||||
7434 | C.getTypeSize(Type) > C.getTypeSize(VarType); | ||||
7435 | if (!Type->isIntegerType() || UseVarType) { | ||||
7436 | unsigned NewSize = | ||||
7437 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); | ||||
7438 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() | ||||
7439 | : Type->hasSignedIntegerRepresentation(); | ||||
7440 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); | ||||
7441 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { | ||||
7442 | Diff = SemaRef.PerformImplicitConversion( | ||||
7443 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); | ||||
7444 | if (!Diff.isUsable()) | ||||
7445 | return nullptr; | ||||
7446 | } | ||||
7447 | } | ||||
7448 | if (LimitedType) { | ||||
7449 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; | ||||
7450 | if (NewSize != C.getTypeSize(Type)) { | ||||
7451 | if (NewSize < C.getTypeSize(Type)) { | ||||
7452 | assert(NewSize == 64 && "incorrect loop var size")((NewSize == 64 && "incorrect loop var size") ? static_cast <void> (0) : __assert_fail ("NewSize == 64 && \"incorrect loop var size\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7452, __PRETTY_FUNCTION__)); | ||||
7453 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) | ||||
7454 | << InitSrcRange << ConditionSrcRange; | ||||
7455 | } | ||||
7456 | QualType NewType = C.getIntTypeForBitwidth( | ||||
7457 | NewSize, Type->hasSignedIntegerRepresentation() || | ||||
7458 | C.getTypeSize(Type) < NewSize); | ||||
7459 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { | ||||
7460 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, | ||||
7461 | Sema::AA_Converting, true); | ||||
7462 | if (!Diff.isUsable()) | ||||
7463 | return nullptr; | ||||
7464 | } | ||||
7465 | } | ||||
7466 | } | ||||
7467 | |||||
7468 | return Diff.get(); | ||||
7469 | } | ||||
7470 | |||||
7471 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( | ||||
7472 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||
7473 | // Do not build for iterators, they cannot be used in non-rectangular loop | ||||
7474 | // nests. | ||||
7475 | if (LCDecl->getType()->isRecordType()) | ||||
7476 | return std::make_pair(nullptr, nullptr); | ||||
7477 | // If we subtract, the min is in the condition, otherwise the min is in the | ||||
7478 | // init value. | ||||
7479 | Expr *MinExpr = nullptr; | ||||
7480 | Expr *MaxExpr = nullptr; | ||||
7481 | Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; | ||||
7482 | Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; | ||||
7483 | bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() | ||||
7484 | : CondDependOnLC.hasValue(); | ||||
7485 | bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() | ||||
7486 | : InitDependOnLC.hasValue(); | ||||
7487 | Expr *Lower = | ||||
7488 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); | ||||
7489 | Expr *Upper = | ||||
7490 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); | ||||
7491 | if (!Upper || !Lower) | ||||
7492 | return std::make_pair(nullptr, nullptr); | ||||
7493 | |||||
7494 | if (TestIsLessOp.getValue()) | ||||
7495 | MinExpr = Lower; | ||||
7496 | else | ||||
7497 | MaxExpr = Upper; | ||||
7498 | |||||
7499 | // Build minimum/maximum value based on number of iterations. | ||||
7500 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
7501 | |||||
7502 | ExprResult Diff = | ||||
7503 | calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, Step, VarType, | ||||
7504 | TestIsStrictOp, /*RoundToStep=*/false, Captures); | ||||
7505 | if (!Diff.isUsable()) | ||||
7506 | return std::make_pair(nullptr, nullptr); | ||||
7507 | |||||
7508 | // ((Upper - Lower [- 1]) / Step) * Step | ||||
7509 | // Parentheses (for dumping/debugging purposes only). | ||||
7510 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
7511 | if (!Diff.isUsable()) | ||||
7512 | return std::make_pair(nullptr, nullptr); | ||||
7513 | |||||
7514 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | ||||
7515 | if (!NewStep.isUsable()) | ||||
7516 | return std::make_pair(nullptr, nullptr); | ||||
7517 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); | ||||
7518 | if (!Diff.isUsable()) | ||||
7519 | return std::make_pair(nullptr, nullptr); | ||||
7520 | |||||
7521 | // Parentheses (for dumping/debugging purposes only). | ||||
7522 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
7523 | if (!Diff.isUsable()) | ||||
7524 | return std::make_pair(nullptr, nullptr); | ||||
7525 | |||||
7526 | // Convert to the ptrdiff_t, if original type is pointer. | ||||
7527 | if (VarType->isAnyPointerType() && | ||||
7528 | !SemaRef.Context.hasSameType( | ||||
7529 | Diff.get()->getType(), | ||||
7530 | SemaRef.Context.getUnsignedPointerDiffType())) { | ||||
7531 | Diff = SemaRef.PerformImplicitConversion( | ||||
7532 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), | ||||
7533 | Sema::AA_Converting, /*AllowExplicit=*/true); | ||||
7534 | } | ||||
7535 | if (!Diff.isUsable()) | ||||
7536 | return std::make_pair(nullptr, nullptr); | ||||
7537 | |||||
7538 | if (TestIsLessOp.getValue()) { | ||||
7539 | // MinExpr = Lower; | ||||
7540 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) | ||||
7541 | Diff = SemaRef.BuildBinOp( | ||||
7542 | S, DefaultLoc, BO_Add, | ||||
7543 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(), | ||||
7544 | Diff.get()); | ||||
7545 | if (!Diff.isUsable()) | ||||
7546 | return std::make_pair(nullptr, nullptr); | ||||
7547 | } else { | ||||
7548 | // MaxExpr = Upper; | ||||
7549 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) | ||||
7550 | Diff = SemaRef.BuildBinOp( | ||||
7551 | S, DefaultLoc, BO_Sub, | ||||
7552 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), | ||||
7553 | Diff.get()); | ||||
7554 | if (!Diff.isUsable()) | ||||
7555 | return std::make_pair(nullptr, nullptr); | ||||
7556 | } | ||||
7557 | |||||
7558 | // Convert to the original type. | ||||
7559 | if (SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) | ||||
7560 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), VarType, | ||||
7561 | Sema::AA_Converting, | ||||
7562 | /*AllowExplicit=*/true); | ||||
7563 | if (!Diff.isUsable()) | ||||
7564 | return std::make_pair(nullptr, nullptr); | ||||
7565 | |||||
7566 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue=*/false); | ||||
7567 | if (!Diff.isUsable()) | ||||
7568 | return std::make_pair(nullptr, nullptr); | ||||
7569 | |||||
7570 | if (TestIsLessOp.getValue()) | ||||
7571 | MaxExpr = Diff.get(); | ||||
7572 | else | ||||
7573 | MinExpr = Diff.get(); | ||||
7574 | |||||
7575 | return std::make_pair(MinExpr, MaxExpr); | ||||
7576 | } | ||||
7577 | |||||
7578 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { | ||||
7579 | if (InitDependOnLC || CondDependOnLC) | ||||
7580 | return Condition; | ||||
7581 | return nullptr; | ||||
7582 | } | ||||
7583 | |||||
7584 | Expr *OpenMPIterationSpaceChecker::buildPreCond( | ||||
7585 | Scope *S, Expr *Cond, | ||||
7586 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||
7587 | // Do not build a precondition when the condition/initialization is dependent | ||||
7588 | // to prevent pessimistic early loop exit. | ||||
7589 | // TODO: this can be improved by calculating min/max values but not sure that | ||||
7590 | // it will be very effective. | ||||
7591 | if (CondDependOnLC || InitDependOnLC) | ||||
7592 | return SemaRef.PerformImplicitConversion( | ||||
7593 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), | ||||
7594 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | ||||
7595 | /*AllowExplicit=*/true).get(); | ||||
7596 | |||||
7597 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. | ||||
7598 | Sema::TentativeAnalysisScope Trap(SemaRef); | ||||
7599 | |||||
7600 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); | ||||
7601 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); | ||||
7602 | if (!NewLB.isUsable() || !NewUB.isUsable()) | ||||
7603 | return nullptr; | ||||
7604 | |||||
7605 | ExprResult CondExpr = | ||||
7606 | SemaRef.BuildBinOp(S, DefaultLoc, | ||||
7607 | TestIsLessOp.getValue() ? | ||||
7608 | (TestIsStrictOp ? BO_LT : BO_LE) : | ||||
7609 | (TestIsStrictOp ? BO_GT : BO_GE), | ||||
7610 | NewLB.get(), NewUB.get()); | ||||
7611 | if (CondExpr.isUsable()) { | ||||
7612 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), | ||||
7613 | SemaRef.Context.BoolTy)) | ||||
7614 | CondExpr = SemaRef.PerformImplicitConversion( | ||||
7615 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | ||||
7616 | /*AllowExplicit=*/true); | ||||
7617 | } | ||||
7618 | |||||
7619 | // Otherwise use original loop condition and evaluate it in runtime. | ||||
7620 | return CondExpr.isUsable() ? CondExpr.get() : Cond; | ||||
7621 | } | ||||
7622 | |||||
7623 | /// Build reference expression to the counter be used for codegen. | ||||
7624 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( | ||||
7625 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||
7626 | DSAStackTy &DSA) const { | ||||
7627 | auto *VD = dyn_cast<VarDecl>(LCDecl); | ||||
7628 | if (!VD) { | ||||
7629 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); | ||||
7630 | DeclRefExpr *Ref = buildDeclRefExpr( | ||||
7631 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); | ||||
7632 | const DSAStackTy::DSAVarData Data = | ||||
7633 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); | ||||
7634 | // If the loop control decl is explicitly marked as private, do not mark it | ||||
7635 | // as captured again. | ||||
7636 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) | ||||
7637 | Captures.insert(std::make_pair(LCRef, Ref)); | ||||
7638 | return Ref; | ||||
7639 | } | ||||
7640 | return cast<DeclRefExpr>(LCRef); | ||||
7641 | } | ||||
7642 | |||||
7643 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { | ||||
7644 | if (LCDecl && !LCDecl->isInvalidDecl()) { | ||||
7645 | QualType Type = LCDecl->getType().getNonReferenceType(); | ||||
7646 | VarDecl *PrivateVar = buildVarDecl( | ||||
7647 | SemaRef, DefaultLoc, Type, LCDecl->getName(), | ||||
7648 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, | ||||
7649 | isa<VarDecl>(LCDecl) | ||||
7650 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) | ||||
7651 | : nullptr); | ||||
7652 | if (PrivateVar->isInvalidDecl()) | ||||
7653 | return nullptr; | ||||
7654 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); | ||||
7655 | } | ||||
7656 | return nullptr; | ||||
7657 | } | ||||
7658 | |||||
7659 | /// Build initialization of the counter to be used for codegen. | ||||
7660 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } | ||||
7661 | |||||
7662 | /// Build step of the counter be used for codegen. | ||||
7663 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } | ||||
7664 | |||||
7665 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( | ||||
7666 | Scope *S, Expr *Counter, | ||||
7667 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, | ||||
7668 | Expr *Inc, OverloadedOperatorKind OOK) { | ||||
7669 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); | ||||
7670 | if (!Cnt) | ||||
7671 | return nullptr; | ||||
7672 | if (Inc) { | ||||
7673 | assert((OOK == OO_Plus || OOK == OO_Minus) &&(((OOK == OO_Plus || OOK == OO_Minus) && "Expected only + or - operations for depend clauses." ) ? static_cast<void> (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7674, __PRETTY_FUNCTION__)) | ||||
7674 | "Expected only + or - operations for depend clauses.")(((OOK == OO_Plus || OOK == OO_Minus) && "Expected only + or - operations for depend clauses." ) ? static_cast<void> (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7674, __PRETTY_FUNCTION__)); | ||||
7675 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; | ||||
7676 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); | ||||
7677 | if (!Cnt) | ||||
7678 | return nullptr; | ||||
7679 | } | ||||
7680 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
7681 | if (!VarType->isIntegerType() && !VarType->isPointerType() && | ||||
7682 | !SemaRef.getLangOpts().CPlusPlus) | ||||
7683 | return nullptr; | ||||
7684 | // Upper - Lower | ||||
7685 | Expr *Upper = TestIsLessOp.getValue() | ||||
7686 | ? Cnt | ||||
7687 | : tryBuildCapture(SemaRef, LB, Captures).get(); | ||||
7688 | Expr *Lower = TestIsLessOp.getValue() | ||||
7689 | ? tryBuildCapture(SemaRef, LB, Captures).get() | ||||
7690 | : Cnt; | ||||
7691 | if (!Upper || !Lower) | ||||
7692 | return nullptr; | ||||
7693 | |||||
7694 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, | ||||
7695 | Step, VarType, /*TestIsStrictOp=*/false, | ||||
7696 | /*RoundToStep=*/false, Captures); | ||||
7697 | if (!Diff.isUsable()) | ||||
7698 | return nullptr; | ||||
7699 | |||||
7700 | return Diff.get(); | ||||
7701 | } | ||||
7702 | } // namespace | ||||
7703 | |||||
7704 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { | ||||
7705 | assert(getLangOpts().OpenMP && "OpenMP is not active.")((getLangOpts().OpenMP && "OpenMP is not active.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && \"OpenMP is not active.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7705, __PRETTY_FUNCTION__)); | ||||
7706 | assert(Init && "Expected loop in canonical form.")((Init && "Expected loop in canonical form.") ? static_cast <void> (0) : __assert_fail ("Init && \"Expected loop in canonical form.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7706, __PRETTY_FUNCTION__)); | ||||
7707 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); | ||||
7708 | if (AssociatedLoops > 0 && | ||||
7709 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
7710 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||
7711 | OpenMPIterationSpaceChecker ISC(*this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); | ||||
7712 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { | ||||
7713 | if (ValueDecl *D = ISC.getLoopDecl()) { | ||||
7714 | auto *VD = dyn_cast<VarDecl>(D); | ||||
7715 | DeclRefExpr *PrivateRef = nullptr; | ||||
7716 | if (!VD) { | ||||
7717 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { | ||||
7718 | VD = Private; | ||||
7719 | } else { | ||||
7720 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), | ||||
7721 | /*WithInit=*/false); | ||||
7722 | VD = cast<VarDecl>(PrivateRef->getDecl()); | ||||
7723 | } | ||||
7724 | } | ||||
7725 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); | ||||
7726 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); | ||||
7727 | if (LD != D->getCanonicalDecl()) { | ||||
7728 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | ||||
7729 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) | ||||
7730 | MarkDeclarationsReferencedInExpr( | ||||
7731 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), | ||||
7732 | Var->getType().getNonLValueExprType(Context), | ||||
7733 | ForLoc, /*RefersToCapture=*/true)); | ||||
7734 | } | ||||
7735 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
7736 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables | ||||
7737 | // Referenced in a Construct, C/C++]. The loop iteration variable in the | ||||
7738 | // associated for-loop of a simd construct with just one associated | ||||
7739 | // for-loop may be listed in a linear clause with a constant-linear-step | ||||
7740 | // that is the increment of the associated for-loop. The loop iteration | ||||
7741 | // variable(s) in the associated for-loop(s) of a for or parallel for | ||||
7742 | // construct may be listed in a private or lastprivate clause. | ||||
7743 | DSAStackTy::DSAVarData DVar = | ||||
7744 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
7745 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable | ||||
7746 | // is declared in the loop and it is predetermined as a private. | ||||
7747 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); | ||||
7748 | OpenMPClauseKind PredeterminedCKind = | ||||
7749 | isOpenMPSimdDirective(DKind) | ||||
7750 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) | ||||
7751 | : OMPC_private; | ||||
7752 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | ||||
7753 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && | ||||
7754 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && | ||||
7755 | DVar.CKind != OMPC_private))) || | ||||
7756 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || | ||||
7757 | DKind == OMPD_master_taskloop || | ||||
7758 | DKind == OMPD_parallel_master_taskloop || | ||||
7759 | isOpenMPDistributeDirective(DKind)) && | ||||
7760 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | ||||
7761 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && | ||||
7762 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { | ||||
7763 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) | ||||
7764 | << getOpenMPClauseName(DVar.CKind) | ||||
7765 | << getOpenMPDirectiveName(DKind) | ||||
7766 | << getOpenMPClauseName(PredeterminedCKind); | ||||
7767 | if (DVar.RefExpr == nullptr) | ||||
7768 | DVar.CKind = PredeterminedCKind; | ||||
7769 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, | ||||
7770 | /*IsLoopIterVar=*/true); | ||||
7771 | } else if (LoopDeclRefExpr) { | ||||
7772 | // Make the loop iteration variable private (for worksharing | ||||
7773 | // constructs), linear (for simd directives with the only one | ||||
7774 | // associated loop) or lastprivate (for simd directives with several | ||||
7775 | // collapsed or ordered loops). | ||||
7776 | if (DVar.CKind == OMPC_unknown) | ||||
7777 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, | ||||
7778 | PrivateRef); | ||||
7779 | } | ||||
7780 | } | ||||
7781 | } | ||||
7782 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); | ||||
7783 | } | ||||
7784 | } | ||||
7785 | |||||
7786 | /// Called on a for stmt to check and extract its iteration space | ||||
7787 | /// for further processing (such as collapsing). | ||||
7788 | static bool checkOpenMPIterationSpace( | ||||
7789 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, | ||||
7790 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, | ||||
7791 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, | ||||
7792 | Expr *OrderedLoopCountExpr, | ||||
7793 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | ||||
7794 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, | ||||
7795 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
7796 | // OpenMP [2.9.1, Canonical Loop Form] | ||||
7797 | // for (init-expr; test-expr; incr-expr) structured-block | ||||
7798 | // for (range-decl: range-expr) structured-block | ||||
7799 | auto *For = dyn_cast_or_null<ForStmt>(S); | ||||
7800 | auto *CXXFor = dyn_cast_or_null<CXXForRangeStmt>(S); | ||||
7801 | // Ranged for is supported only in OpenMP 5.0. | ||||
7802 | if (!For && (SemaRef.LangOpts.OpenMP <= 45 || !CXXFor)) { | ||||
7803 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) | ||||
7804 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) | ||||
7805 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount | ||||
7806 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; | ||||
7807 | if (TotalNestedLoopCount > 1) { | ||||
7808 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) | ||||
7809 | SemaRef.Diag(DSA.getConstructLoc(), | ||||
7810 | diag::note_omp_collapse_ordered_expr) | ||||
7811 | << 2 << CollapseLoopCountExpr->getSourceRange() | ||||
7812 | << OrderedLoopCountExpr->getSourceRange(); | ||||
7813 | else if (CollapseLoopCountExpr) | ||||
7814 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | ||||
7815 | diag::note_omp_collapse_ordered_expr) | ||||
7816 | << 0 << CollapseLoopCountExpr->getSourceRange(); | ||||
7817 | else | ||||
7818 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | ||||
7819 | diag::note_omp_collapse_ordered_expr) | ||||
7820 | << 1 << OrderedLoopCountExpr->getSourceRange(); | ||||
7821 | } | ||||
7822 | return true; | ||||
7823 | } | ||||
7824 | assert(((For && For->getBody()) || (CXXFor && CXXFor->getBody())) &&((((For && For->getBody()) || (CXXFor && CXXFor ->getBody())) && "No loop body.") ? static_cast< void> (0) : __assert_fail ("((For && For->getBody()) || (CXXFor && CXXFor->getBody())) && \"No loop body.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7825, __PRETTY_FUNCTION__)) | ||||
7825 | "No loop body.")((((For && For->getBody()) || (CXXFor && CXXFor ->getBody())) && "No loop body.") ? static_cast< void> (0) : __assert_fail ("((For && For->getBody()) || (CXXFor && CXXFor->getBody())) && \"No loop body.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7825, __PRETTY_FUNCTION__)); | ||||
7826 | |||||
7827 | OpenMPIterationSpaceChecker ISC(SemaRef, DSA, | ||||
7828 | For ? For->getForLoc() : CXXFor->getForLoc()); | ||||
7829 | |||||
7830 | // Check init. | ||||
7831 | Stmt *Init = For ? For->getInit() : CXXFor->getBeginStmt(); | ||||
7832 | if (ISC.checkAndSetInit(Init)) | ||||
7833 | return true; | ||||
7834 | |||||
7835 | bool HasErrors = false; | ||||
7836 | |||||
7837 | // Check loop variable's type. | ||||
7838 | if (ValueDecl *LCDecl = ISC.getLoopDecl()) { | ||||
7839 | // OpenMP [2.6, Canonical Loop Form] | ||||
7840 | // Var is one of the following: | ||||
7841 | // A variable of signed or unsigned integer type. | ||||
7842 | // For C++, a variable of a random access iterator type. | ||||
7843 | // For C, a variable of a pointer type. | ||||
7844 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
7845 | if (!VarType->isDependentType() && !VarType->isIntegerType() && | ||||
7846 | !VarType->isPointerType() && | ||||
7847 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { | ||||
7848 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) | ||||
7849 | << SemaRef.getLangOpts().CPlusPlus; | ||||
7850 | HasErrors = true; | ||||
7851 | } | ||||
7852 | |||||
7853 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in | ||||
7854 | // a Construct | ||||
7855 | // The loop iteration variable(s) in the associated for-loop(s) of a for or | ||||
7856 | // parallel for construct is (are) private. | ||||
7857 | // The loop iteration variable in the associated for-loop of a simd | ||||
7858 | // construct with just one associated for-loop is linear with a | ||||
7859 | // constant-linear-step that is the increment of the associated for-loop. | ||||
7860 | // Exclude loop var from the list of variables with implicitly defined data | ||||
7861 | // sharing attributes. | ||||
7862 | VarsWithImplicitDSA.erase(LCDecl); | ||||
7863 | |||||
7864 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")((isOpenMPLoopDirective(DKind) && "DSA for non-loop vars" ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(DKind) && \"DSA for non-loop vars\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 7864, __PRETTY_FUNCTION__)); | ||||
7865 | |||||
7866 | // Check test-expr. | ||||
7867 | HasErrors |= ISC.checkAndSetCond(For ? For->getCond() : CXXFor->getCond()); | ||||
7868 | |||||
7869 | // Check incr-expr. | ||||
7870 | HasErrors |= ISC.checkAndSetInc(For ? For->getInc() : CXXFor->getInc()); | ||||
7871 | } | ||||
7872 | |||||
7873 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) | ||||
7874 | return HasErrors; | ||||
7875 | |||||
7876 | // Build the loop's iteration space representation. | ||||
7877 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond( | ||||
7878 | DSA.getCurScope(), For ? For->getCond() : CXXFor->getCond(), Captures); | ||||
7879 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = | ||||
7880 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, | ||||
7881 | (isOpenMPWorksharingDirective(DKind) || | ||||
7882 | isOpenMPTaskLoopDirective(DKind) || | ||||
7883 | isOpenMPDistributeDirective(DKind)), | ||||
7884 | Captures); | ||||
7885 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = | ||||
7886 | ISC.buildCounterVar(Captures, DSA); | ||||
7887 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = | ||||
7888 | ISC.buildPrivateCounterVar(); | ||||
7889 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); | ||||
7890 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); | ||||
7891 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); | ||||
7892 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = | ||||
7893 | ISC.getConditionSrcRange(); | ||||
7894 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = | ||||
7895 | ISC.getIncrementSrcRange(); | ||||
7896 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); | ||||
7897 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = | ||||
7898 | ISC.isStrictTestOp(); | ||||
7899 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, | ||||
7900 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = | ||||
7901 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); | ||||
7902 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = | ||||
7903 | ISC.buildFinalCondition(DSA.getCurScope()); | ||||
7904 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = | ||||
7905 | ISC.doesInitDependOnLC(); | ||||
7906 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = | ||||
7907 | ISC.doesCondDependOnLC(); | ||||
7908 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = | ||||
7909 | ISC.getLoopDependentIdx(); | ||||
7910 | |||||
7911 | HasErrors |= | ||||
7912 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || | ||||
7913 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || | ||||
7914 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || | ||||
7915 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || | ||||
7916 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || | ||||
7917 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); | ||||
7918 | if (!HasErrors && DSA.isOrderedRegion()) { | ||||
7919 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { | ||||
7920 | if (CurrentNestedLoopCount < | ||||
7921 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { | ||||
7922 | DSA.getOrderedRegionParam().second->setLoopNumIterations( | ||||
7923 | CurrentNestedLoopCount, | ||||
7924 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); | ||||
7925 | DSA.getOrderedRegionParam().second->setLoopCounter( | ||||
7926 | CurrentNestedLoopCount, | ||||
7927 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); | ||||
7928 | } | ||||
7929 | } | ||||
7930 | for (auto &Pair : DSA.getDoacrossDependClauses()) { | ||||
7931 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { | ||||
7932 | // Erroneous case - clause has some problems. | ||||
7933 | continue; | ||||
7934 | } | ||||
7935 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && | ||||
7936 | Pair.second.size() <= CurrentNestedLoopCount) { | ||||
7937 | // Erroneous case - clause has some problems. | ||||
7938 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); | ||||
7939 | continue; | ||||
7940 | } | ||||
7941 | Expr *CntValue; | ||||
7942 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) | ||||
7943 | CntValue = ISC.buildOrderedLoopData( | ||||
7944 | DSA.getCurScope(), | ||||
7945 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | ||||
7946 | Pair.first->getDependencyLoc()); | ||||
7947 | else | ||||
7948 | CntValue = ISC.buildOrderedLoopData( | ||||
7949 | DSA.getCurScope(), | ||||
7950 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | ||||
7951 | Pair.first->getDependencyLoc(), | ||||
7952 | Pair.second[CurrentNestedLoopCount].first, | ||||
7953 | Pair.second[CurrentNestedLoopCount].second); | ||||
7954 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); | ||||
7955 | } | ||||
7956 | } | ||||
7957 | |||||
7958 | return HasErrors; | ||||
7959 | } | ||||
7960 | |||||
7961 | /// Build 'VarRef = Start. | ||||
7962 | static ExprResult | ||||
7963 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | ||||
7964 | ExprResult Start, bool IsNonRectangularLB, | ||||
7965 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
7966 | // Build 'VarRef = Start. | ||||
7967 | ExprResult NewStart = IsNonRectangularLB | ||||
7968 | ? Start.get() | ||||
7969 | : tryBuildCapture(SemaRef, Start.get(), Captures); | ||||
7970 | if (!NewStart.isUsable()) | ||||
7971 | return ExprError(); | ||||
7972 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), | ||||
7973 | VarRef.get()->getType())) { | ||||
7974 | NewStart = SemaRef.PerformImplicitConversion( | ||||
7975 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, | ||||
7976 | /*AllowExplicit=*/true); | ||||
7977 | if (!NewStart.isUsable()) | ||||
7978 | return ExprError(); | ||||
7979 | } | ||||
7980 | |||||
7981 | ExprResult Init = | ||||
7982 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | ||||
7983 | return Init; | ||||
7984 | } | ||||
7985 | |||||
7986 | /// Build 'VarRef = Start + Iter * Step'. | ||||
7987 | static ExprResult buildCounterUpdate( | ||||
7988 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | ||||
7989 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, | ||||
7990 | bool IsNonRectangularLB, | ||||
7991 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { | ||||
7992 | // Add parentheses (for debugging purposes only). | ||||
7993 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); | ||||
7994 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || | ||||
7995 | !Step.isUsable()) | ||||
7996 | return ExprError(); | ||||
7997 | |||||
7998 | ExprResult NewStep = Step; | ||||
7999 | if (Captures) | ||||
8000 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); | ||||
8001 | if (NewStep.isInvalid()) | ||||
8002 | return ExprError(); | ||||
8003 | ExprResult Update = | ||||
8004 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); | ||||
8005 | if (!Update.isUsable()) | ||||
8006 | return ExprError(); | ||||
8007 | |||||
8008 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or | ||||
8009 | // 'VarRef = Start (+|-) Iter * Step'. | ||||
8010 | if (!Start.isUsable()) | ||||
8011 | return ExprError(); | ||||
8012 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); | ||||
8013 | if (!NewStart.isUsable()) | ||||
8014 | return ExprError(); | ||||
8015 | if (Captures && !IsNonRectangularLB) | ||||
8016 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); | ||||
8017 | if (NewStart.isInvalid()) | ||||
8018 | return ExprError(); | ||||
8019 | |||||
8020 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. | ||||
8021 | ExprResult SavedUpdate = Update; | ||||
8022 | ExprResult UpdateVal; | ||||
8023 | if (VarRef.get()->getType()->isOverloadableType() || | ||||
8024 | NewStart.get()->getType()->isOverloadableType() || | ||||
8025 | Update.get()->getType()->isOverloadableType()) { | ||||
8026 | Sema::TentativeAnalysisScope Trap(SemaRef); | ||||
8027 | |||||
8028 | Update = | ||||
8029 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | ||||
8030 | if (Update.isUsable()) { | ||||
8031 | UpdateVal = | ||||
8032 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, | ||||
8033 | VarRef.get(), SavedUpdate.get()); | ||||
8034 | if (UpdateVal.isUsable()) { | ||||
8035 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), | ||||
8036 | UpdateVal.get()); | ||||
8037 | } | ||||
8038 | } | ||||
8039 | } | ||||
8040 | |||||
8041 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. | ||||
8042 | if (!Update.isUsable() || !UpdateVal.isUsable()) { | ||||
8043 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, | ||||
8044 | NewStart.get(), SavedUpdate.get()); | ||||
8045 | if (!Update.isUsable()) | ||||
8046 | return ExprError(); | ||||
8047 | |||||
8048 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), | ||||
8049 | VarRef.get()->getType())) { | ||||
8050 | Update = SemaRef.PerformImplicitConversion( | ||||
8051 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); | ||||
8052 | if (!Update.isUsable()) | ||||
8053 | return ExprError(); | ||||
8054 | } | ||||
8055 | |||||
8056 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); | ||||
8057 | } | ||||
8058 | return Update; | ||||
8059 | } | ||||
8060 | |||||
8061 | /// Convert integer expression \a E to make it have at least \a Bits | ||||
8062 | /// bits. | ||||
8063 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { | ||||
8064 | if (E == nullptr) | ||||
8065 | return ExprError(); | ||||
8066 | ASTContext &C = SemaRef.Context; | ||||
8067 | QualType OldType = E->getType(); | ||||
8068 | unsigned HasBits = C.getTypeSize(OldType); | ||||
8069 | if (HasBits >= Bits) | ||||
8070 | return ExprResult(E); | ||||
8071 | // OK to convert to signed, because new type has more bits than old. | ||||
8072 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); | ||||
8073 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, | ||||
8074 | true); | ||||
8075 | } | ||||
8076 | |||||
8077 | /// Check if the given expression \a E is a constant integer that fits | ||||
8078 | /// into \a Bits bits. | ||||
8079 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { | ||||
8080 | if (E == nullptr) | ||||
8081 | return false; | ||||
8082 | if (Optional<llvm::APSInt> Result = | ||||
8083 | E->getIntegerConstantExpr(SemaRef.Context)) | ||||
8084 | return Signed ? Result->isSignedIntN(Bits) : Result->isIntN(Bits); | ||||
8085 | return false; | ||||
8086 | } | ||||
8087 | |||||
8088 | /// Build preinits statement for the given declarations. | ||||
8089 | static Stmt *buildPreInits(ASTContext &Context, | ||||
8090 | MutableArrayRef<Decl *> PreInits) { | ||||
8091 | if (!PreInits.empty()) { | ||||
8092 | return new (Context) DeclStmt( | ||||
8093 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), | ||||
8094 | SourceLocation(), SourceLocation()); | ||||
8095 | } | ||||
8096 | return nullptr; | ||||
8097 | } | ||||
8098 | |||||
8099 | /// Build preinits statement for the given declarations. | ||||
8100 | static Stmt * | ||||
8101 | buildPreInits(ASTContext &Context, | ||||
8102 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
8103 | if (!Captures.empty()) { | ||||
8104 | SmallVector<Decl *, 16> PreInits; | ||||
8105 | for (const auto &Pair : Captures) | ||||
8106 | PreInits.push_back(Pair.second->getDecl()); | ||||
8107 | return buildPreInits(Context, PreInits); | ||||
8108 | } | ||||
8109 | return nullptr; | ||||
8110 | } | ||||
8111 | |||||
8112 | /// Build postupdate expression for the given list of postupdates expressions. | ||||
8113 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { | ||||
8114 | Expr *PostUpdate = nullptr; | ||||
8115 | if (!PostUpdates.empty()) { | ||||
8116 | for (Expr *E : PostUpdates) { | ||||
8117 | Expr *ConvE = S.BuildCStyleCastExpr( | ||||
8118 | E->getExprLoc(), | ||||
8119 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), | ||||
8120 | E->getExprLoc(), E) | ||||
8121 | .get(); | ||||
8122 | PostUpdate = PostUpdate | ||||
8123 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, | ||||
8124 | PostUpdate, ConvE) | ||||
8125 | .get() | ||||
8126 | : ConvE; | ||||
8127 | } | ||||
8128 | } | ||||
8129 | return PostUpdate; | ||||
8130 | } | ||||
8131 | |||||
8132 | /// Called on a for stmt to check itself and nested loops (if any). | ||||
8133 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, | ||||
8134 | /// number of collapsed loops otherwise. | ||||
8135 | static unsigned | ||||
8136 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, | ||||
8137 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, | ||||
8138 | DSAStackTy &DSA, | ||||
8139 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | ||||
8140 | OMPLoopDirective::HelperExprs &Built) { | ||||
8141 | unsigned NestedLoopCount = 1; | ||||
8142 | if (CollapseLoopCountExpr) { | ||||
8143 | // Found 'collapse' clause - calculate collapse number. | ||||
8144 | Expr::EvalResult Result; | ||||
8145 | if (!CollapseLoopCountExpr->isValueDependent() && | ||||
8146 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { | ||||
8147 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); | ||||
8148 | } else { | ||||
8149 | Built.clear(/*Size=*/1); | ||||
8150 | return 1; | ||||
8151 | } | ||||
8152 | } | ||||
8153 | unsigned OrderedLoopCount = 1; | ||||
8154 | if (OrderedLoopCountExpr) { | ||||
8155 | // Found 'ordered' clause - calculate collapse number. | ||||
8156 | Expr::EvalResult EVResult; | ||||
8157 | if (!OrderedLoopCountExpr->isValueDependent() && | ||||
8158 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, | ||||
8159 | SemaRef.getASTContext())) { | ||||
8160 | llvm::APSInt Result = EVResult.Val.getInt(); | ||||
8161 | if (Result.getLimitedValue() < NestedLoopCount) { | ||||
8162 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | ||||
8163 | diag::err_omp_wrong_ordered_loop_count) | ||||
8164 | << OrderedLoopCountExpr->getSourceRange(); | ||||
8165 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | ||||
8166 | diag::note_collapse_loop_count) | ||||
8167 | << CollapseLoopCountExpr->getSourceRange(); | ||||
8168 | } | ||||
8169 | OrderedLoopCount = Result.getLimitedValue(); | ||||
8170 | } else { | ||||
8171 | Built.clear(/*Size=*/1); | ||||
8172 | return 1; | ||||
8173 | } | ||||
8174 | } | ||||
8175 | // This is helper routine for loop directives (e.g., 'for', 'simd', | ||||
8176 | // 'for simd', etc.). | ||||
8177 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
8178 | SmallVector<LoopIterationSpace, 4> IterSpaces( | ||||
8179 | std::max(OrderedLoopCount, NestedLoopCount)); | ||||
8180 | Stmt *CurStmt = AStmt->IgnoreContainers(/* IgnoreCaptured */ true); | ||||
8181 | for (unsigned Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | ||||
8182 | if (checkOpenMPIterationSpace( | ||||
8183 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | ||||
8184 | std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, | ||||
8185 | OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) | ||||
8186 | return 0; | ||||
8187 | // Move on to the next nested for loop, or to the loop body. | ||||
8188 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
8189 | // All loops associated with the construct must be perfectly nested; that | ||||
8190 | // is, there must be no intervening code nor any OpenMP directive between | ||||
8191 | // any two loops. | ||||
8192 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { | ||||
8193 | CurStmt = For->getBody(); | ||||
8194 | } else { | ||||
8195 | assert(isa<CXXForRangeStmt>(CurStmt) &&((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8196, __PRETTY_FUNCTION__)) | ||||
8196 | "Expected canonical for or range-based for loops.")((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8196, __PRETTY_FUNCTION__)); | ||||
8197 | CurStmt = cast<CXXForRangeStmt>(CurStmt)->getBody(); | ||||
8198 | } | ||||
8199 | CurStmt = OMPLoopDirective::tryToFindNextInnerLoop( | ||||
8200 | CurStmt, SemaRef.LangOpts.OpenMP >= 50); | ||||
8201 | } | ||||
8202 | for (unsigned Cnt = NestedLoopCount; Cnt < OrderedLoopCount; ++Cnt) { | ||||
8203 | if (checkOpenMPIterationSpace( | ||||
8204 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | ||||
8205 | std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, | ||||
8206 | OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) | ||||
8207 | return 0; | ||||
8208 | if (Cnt > 0 && IterSpaces[Cnt].CounterVar) { | ||||
8209 | // Handle initialization of captured loop iterator variables. | ||||
8210 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); | ||||
8211 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { | ||||
8212 | Captures[DRE] = DRE; | ||||
8213 | } | ||||
8214 | } | ||||
8215 | // Move on to the next nested for loop, or to the loop body. | ||||
8216 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
8217 | // All loops associated with the construct must be perfectly nested; that | ||||
8218 | // is, there must be no intervening code nor any OpenMP directive between | ||||
8219 | // any two loops. | ||||
8220 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { | ||||
8221 | CurStmt = For->getBody(); | ||||
8222 | } else { | ||||
8223 | assert(isa<CXXForRangeStmt>(CurStmt) &&((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8224, __PRETTY_FUNCTION__)) | ||||
8224 | "Expected canonical for or range-based for loops.")((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8224, __PRETTY_FUNCTION__)); | ||||
8225 | CurStmt = cast<CXXForRangeStmt>(CurStmt)->getBody(); | ||||
8226 | } | ||||
8227 | CurStmt = OMPLoopDirective::tryToFindNextInnerLoop( | ||||
8228 | CurStmt, SemaRef.LangOpts.OpenMP >= 50); | ||||
8229 | } | ||||
8230 | |||||
8231 | Built.clear(/* size */ NestedLoopCount); | ||||
8232 | |||||
8233 | if (SemaRef.CurContext->isDependentContext()) | ||||
8234 | return NestedLoopCount; | ||||
8235 | |||||
8236 | // An example of what is generated for the following code: | ||||
8237 | // | ||||
8238 | // #pragma omp simd collapse(2) ordered(2) | ||||
8239 | // for (i = 0; i < NI; ++i) | ||||
8240 | // for (k = 0; k < NK; ++k) | ||||
8241 | // for (j = J0; j < NJ; j+=2) { | ||||
8242 | // <loop body> | ||||
8243 | // } | ||||
8244 | // | ||||
8245 | // We generate the code below. | ||||
8246 | // Note: the loop body may be outlined in CodeGen. | ||||
8247 | // Note: some counters may be C++ classes, operator- is used to find number of | ||||
8248 | // iterations and operator+= to calculate counter value. | ||||
8249 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 | ||||
8250 | // or i64 is currently supported). | ||||
8251 | // | ||||
8252 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) | ||||
8253 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { | ||||
8254 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); | ||||
8255 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; | ||||
8256 | // // similar updates for vars in clauses (e.g. 'linear') | ||||
8257 | // <loop body (using local i and j)> | ||||
8258 | // } | ||||
8259 | // i = NI; // assign final values of counters | ||||
8260 | // j = NJ; | ||||
8261 | // | ||||
8262 | |||||
8263 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are | ||||
8264 | // the iteration counts of the collapsed for loops. | ||||
8265 | // Precondition tests if there is at least one iteration (all conditions are | ||||
8266 | // true). | ||||
8267 | auto PreCond = ExprResult(IterSpaces[0].PreCond); | ||||
8268 | Expr *N0 = IterSpaces[0].NumIterations; | ||||
8269 | ExprResult LastIteration32 = | ||||
8270 | widenIterationCount(/*Bits=*/32, | ||||
8271 | SemaRef | ||||
8272 | .PerformImplicitConversion( | ||||
8273 | N0->IgnoreImpCasts(), N0->getType(), | ||||
8274 | Sema::AA_Converting, /*AllowExplicit=*/true) | ||||
8275 | .get(), | ||||
8276 | SemaRef); | ||||
8277 | ExprResult LastIteration64 = widenIterationCount( | ||||
8278 | /*Bits=*/64, | ||||
8279 | SemaRef | ||||
8280 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), | ||||
8281 | Sema::AA_Converting, | ||||
8282 | /*AllowExplicit=*/true) | ||||
8283 | .get(), | ||||
8284 | SemaRef); | ||||
8285 | |||||
8286 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) | ||||
8287 | return NestedLoopCount; | ||||
8288 | |||||
8289 | ASTContext &C = SemaRef.Context; | ||||
8290 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; | ||||
8291 | |||||
8292 | Scope *CurScope = DSA.getCurScope(); | ||||
8293 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { | ||||
8294 | if (PreCond.isUsable()) { | ||||
8295 | PreCond = | ||||
8296 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, | ||||
8297 | PreCond.get(), IterSpaces[Cnt].PreCond); | ||||
8298 | } | ||||
8299 | Expr *N = IterSpaces[Cnt].NumIterations; | ||||
8300 | SourceLocation Loc = N->getExprLoc(); | ||||
8301 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; | ||||
8302 | if (LastIteration32.isUsable()) | ||||
8303 | LastIteration32 = SemaRef.BuildBinOp( | ||||
8304 | CurScope, Loc, BO_Mul, LastIteration32.get(), | ||||
8305 | SemaRef | ||||
8306 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | ||||
8307 | Sema::AA_Converting, | ||||
8308 | /*AllowExplicit=*/true) | ||||
8309 | .get()); | ||||
8310 | if (LastIteration64.isUsable()) | ||||
8311 | LastIteration64 = SemaRef.BuildBinOp( | ||||
8312 | CurScope, Loc, BO_Mul, LastIteration64.get(), | ||||
8313 | SemaRef | ||||
8314 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | ||||
8315 | Sema::AA_Converting, | ||||
8316 | /*AllowExplicit=*/true) | ||||
8317 | .get()); | ||||
8318 | } | ||||
8319 | |||||
8320 | // Choose either the 32-bit or 64-bit version. | ||||
8321 | ExprResult LastIteration = LastIteration64; | ||||
8322 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || | ||||
8323 | (LastIteration32.isUsable() && | ||||
8324 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && | ||||
8325 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || | ||||
8326 | fitsInto( | ||||
8327 | /*Bits=*/32, | ||||
8328 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), | ||||
8329 | LastIteration64.get(), SemaRef)))) | ||||
8330 | LastIteration = LastIteration32; | ||||
8331 | QualType VType = LastIteration.get()->getType(); | ||||
8332 | QualType RealVType = VType; | ||||
8333 | QualType StrideVType = VType; | ||||
8334 | if (isOpenMPTaskLoopDirective(DKind)) { | ||||
8335 | VType = | ||||
8336 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | ||||
8337 | StrideVType = | ||||
8338 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||
8339 | } | ||||
8340 | |||||
8341 | if (!LastIteration.isUsable()) | ||||
8342 | return 0; | ||||
8343 | |||||
8344 | // Save the number of iterations. | ||||
8345 | ExprResult NumIterations = LastIteration; | ||||
8346 | { | ||||
8347 | LastIteration = SemaRef.BuildBinOp( | ||||
8348 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, | ||||
8349 | LastIteration.get(), | ||||
8350 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
8351 | if (!LastIteration.isUsable()) | ||||
8352 | return 0; | ||||
8353 | } | ||||
8354 | |||||
8355 | // Calculate the last iteration number beforehand instead of doing this on | ||||
8356 | // each iteration. Do not do this if the number of iterations may be kfold-ed. | ||||
8357 | bool IsConstant = LastIteration.get()->isIntegerConstantExpr(SemaRef.Context); | ||||
8358 | ExprResult CalcLastIteration; | ||||
8359 | if (!IsConstant) { | ||||
8360 | ExprResult SaveRef = | ||||
8361 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); | ||||
8362 | LastIteration = SaveRef; | ||||
8363 | |||||
8364 | // Prepare SaveRef + 1. | ||||
8365 | NumIterations = SemaRef.BuildBinOp( | ||||
8366 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), | ||||
8367 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
8368 | if (!NumIterations.isUsable()) | ||||
8369 | return 0; | ||||
8370 | } | ||||
8371 | |||||
8372 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); | ||||
8373 | |||||
8374 | // Build variables passed into runtime, necessary for worksharing directives. | ||||
8375 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; | ||||
8376 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | ||||
8377 | isOpenMPDistributeDirective(DKind)) { | ||||
8378 | // Lower bound variable, initialized with zero. | ||||
8379 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); | ||||
8380 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); | ||||
8381 | SemaRef.AddInitializerToDecl(LBDecl, | ||||
8382 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||
8383 | /*DirectInit*/ false); | ||||
8384 | |||||
8385 | // Upper bound variable, initialized with last iteration number. | ||||
8386 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); | ||||
8387 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); | ||||
8388 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), | ||||
8389 | /*DirectInit*/ false); | ||||
8390 | |||||
8391 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. | ||||
8392 | // This will be used to implement clause 'lastprivate'. | ||||
8393 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); | ||||
8394 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); | ||||
8395 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); | ||||
8396 | SemaRef.AddInitializerToDecl(ILDecl, | ||||
8397 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||
8398 | /*DirectInit*/ false); | ||||
8399 | |||||
8400 | // Stride variable returned by runtime (we initialize it to 1 by default). | ||||
8401 | VarDecl *STDecl = | ||||
8402 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); | ||||
8403 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); | ||||
8404 | SemaRef.AddInitializerToDecl(STDecl, | ||||
8405 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), | ||||
8406 | /*DirectInit*/ false); | ||||
8407 | |||||
8408 | // Build expression: UB = min(UB, LastIteration) | ||||
8409 | // It is necessary for CodeGen of directives with static scheduling. | ||||
8410 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, | ||||
8411 | UB.get(), LastIteration.get()); | ||||
8412 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | ||||
8413 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), | ||||
8414 | LastIteration.get(), UB.get()); | ||||
8415 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), | ||||
8416 | CondOp.get()); | ||||
8417 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); | ||||
8418 | |||||
8419 | // If we have a combined directive that combines 'distribute', 'for' or | ||||
8420 | // 'simd' we need to be able to access the bounds of the schedule of the | ||||
8421 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained | ||||
8422 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. | ||||
8423 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
8424 | // Lower bound variable, initialized with zero. | ||||
8425 | VarDecl *CombLBDecl = | ||||
8426 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); | ||||
8427 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); | ||||
8428 | SemaRef.AddInitializerToDecl( | ||||
8429 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||
8430 | /*DirectInit*/ false); | ||||
8431 | |||||
8432 | // Upper bound variable, initialized with last iteration number. | ||||
8433 | VarDecl *CombUBDecl = | ||||
8434 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); | ||||
8435 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); | ||||
8436 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), | ||||
8437 | /*DirectInit*/ false); | ||||
8438 | |||||
8439 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( | ||||
8440 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); | ||||
8441 | ExprResult CombCondOp = | ||||
8442 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), | ||||
8443 | LastIteration.get(), CombUB.get()); | ||||
8444 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), | ||||
8445 | CombCondOp.get()); | ||||
8446 | CombEUB = | ||||
8447 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); | ||||
8448 | |||||
8449 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); | ||||
8450 | // We expect to have at least 2 more parameters than the 'parallel' | ||||
8451 | // directive does - the lower and upper bounds of the previous schedule. | ||||
8452 | assert(CD->getNumParams() >= 4 &&((CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? static_cast<void> (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8453, __PRETTY_FUNCTION__)) | ||||
8453 | "Unexpected number of parameters in loop combined directive")((CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? static_cast<void> (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8453, __PRETTY_FUNCTION__)); | ||||
8454 | |||||
8455 | // Set the proper type for the bounds given what we learned from the | ||||
8456 | // enclosed loops. | ||||
8457 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); | ||||
8458 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); | ||||
8459 | |||||
8460 | // Previous lower and upper bounds are obtained from the region | ||||
8461 | // parameters. | ||||
8462 | PrevLB = | ||||
8463 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); | ||||
8464 | PrevUB = | ||||
8465 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); | ||||
8466 | } | ||||
8467 | } | ||||
8468 | |||||
8469 | // Build the iteration variable and its initialization before loop. | ||||
8470 | ExprResult IV; | ||||
8471 | ExprResult Init, CombInit; | ||||
8472 | { | ||||
8473 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); | ||||
8474 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); | ||||
8475 | Expr *RHS = | ||||
8476 | (isOpenMPWorksharingDirective(DKind) || | ||||
8477 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | ||||
8478 | ? LB.get() | ||||
8479 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | ||||
8480 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); | ||||
8481 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); | ||||
8482 | |||||
8483 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
8484 | Expr *CombRHS = | ||||
8485 | (isOpenMPWorksharingDirective(DKind) || | ||||
8486 | isOpenMPTaskLoopDirective(DKind) || | ||||
8487 | isOpenMPDistributeDirective(DKind)) | ||||
8488 | ? CombLB.get() | ||||
8489 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | ||||
8490 | CombInit = | ||||
8491 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); | ||||
8492 | CombInit = | ||||
8493 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); | ||||
8494 | } | ||||
8495 | } | ||||
8496 | |||||
8497 | bool UseStrictCompare = | ||||
8498 | RealVType->hasUnsignedIntegerRepresentation() && | ||||
8499 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { | ||||
8500 | return LIS.IsStrictCompare; | ||||
8501 | }); | ||||
8502 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for | ||||
8503 | // unsigned IV)) for worksharing loops. | ||||
8504 | SourceLocation CondLoc = AStmt->getBeginLoc(); | ||||
8505 | Expr *BoundUB = UB.get(); | ||||
8506 | if (UseStrictCompare) { | ||||
8507 | BoundUB = | ||||
8508 | SemaRef | ||||
8509 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, | ||||
8510 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||
8511 | .get(); | ||||
8512 | BoundUB = | ||||
8513 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); | ||||
8514 | } | ||||
8515 | ExprResult Cond = | ||||
8516 | (isOpenMPWorksharingDirective(DKind) || | ||||
8517 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | ||||
8518 | ? SemaRef.BuildBinOp(CurScope, CondLoc, | ||||
8519 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), | ||||
8520 | BoundUB) | ||||
8521 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | ||||
8522 | NumIterations.get()); | ||||
8523 | ExprResult CombDistCond; | ||||
8524 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
8525 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | ||||
8526 | NumIterations.get()); | ||||
8527 | } | ||||
8528 | |||||
8529 | ExprResult CombCond; | ||||
8530 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
8531 | Expr *BoundCombUB = CombUB.get(); | ||||
8532 | if (UseStrictCompare) { | ||||
8533 | BoundCombUB = | ||||
8534 | SemaRef | ||||
8535 | .BuildBinOp( | ||||
8536 | CurScope, CondLoc, BO_Add, BoundCombUB, | ||||
8537 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||
8538 | .get(); | ||||
8539 | BoundCombUB = | ||||
8540 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) | ||||
8541 | .get(); | ||||
8542 | } | ||||
8543 | CombCond = | ||||
8544 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | ||||
8545 | IV.get(), BoundCombUB); | ||||
8546 | } | ||||
8547 | // Loop increment (IV = IV + 1) | ||||
8548 | SourceLocation IncLoc = AStmt->getBeginLoc(); | ||||
8549 | ExprResult Inc = | ||||
8550 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), | ||||
8551 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); | ||||
8552 | if (!Inc.isUsable()) | ||||
8553 | return 0; | ||||
8554 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); | ||||
8555 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); | ||||
8556 | if (!Inc.isUsable()) | ||||
8557 | return 0; | ||||
8558 | |||||
8559 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). | ||||
8560 | // Used for directives with static scheduling. | ||||
8561 | // In combined construct, add combined version that use CombLB and CombUB | ||||
8562 | // base variables for the update | ||||
8563 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; | ||||
8564 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | ||||
8565 | isOpenMPDistributeDirective(DKind)) { | ||||
8566 | // LB + ST | ||||
8567 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); | ||||
8568 | if (!NextLB.isUsable()) | ||||
8569 | return 0; | ||||
8570 | // LB = LB + ST | ||||
8571 | NextLB = | ||||
8572 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); | ||||
8573 | NextLB = | ||||
8574 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); | ||||
8575 | if (!NextLB.isUsable()) | ||||
8576 | return 0; | ||||
8577 | // UB + ST | ||||
8578 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); | ||||
8579 | if (!NextUB.isUsable()) | ||||
8580 | return 0; | ||||
8581 | // UB = UB + ST | ||||
8582 | NextUB = | ||||
8583 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); | ||||
8584 | NextUB = | ||||
8585 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); | ||||
8586 | if (!NextUB.isUsable()) | ||||
8587 | return 0; | ||||
8588 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
8589 | CombNextLB = | ||||
8590 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); | ||||
8591 | if (!NextLB.isUsable()) | ||||
8592 | return 0; | ||||
8593 | // LB = LB + ST | ||||
8594 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), | ||||
8595 | CombNextLB.get()); | ||||
8596 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), | ||||
8597 | /*DiscardedValue*/ false); | ||||
8598 | if (!CombNextLB.isUsable()) | ||||
8599 | return 0; | ||||
8600 | // UB + ST | ||||
8601 | CombNextUB = | ||||
8602 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); | ||||
8603 | if (!CombNextUB.isUsable()) | ||||
8604 | return 0; | ||||
8605 | // UB = UB + ST | ||||
8606 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), | ||||
8607 | CombNextUB.get()); | ||||
8608 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), | ||||
8609 | /*DiscardedValue*/ false); | ||||
8610 | if (!CombNextUB.isUsable()) | ||||
8611 | return 0; | ||||
8612 | } | ||||
8613 | } | ||||
8614 | |||||
8615 | // Create increment expression for distribute loop when combined in a same | ||||
8616 | // directive with for as IV = IV + ST; ensure upper bound expression based | ||||
8617 | // on PrevUB instead of NumIterations - used to implement 'for' when found | ||||
8618 | // in combination with 'distribute', like in 'distribute parallel for' | ||||
8619 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); | ||||
8620 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; | ||||
8621 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
8622 | DistCond = SemaRef.BuildBinOp( | ||||
8623 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); | ||||
8624 | assert(DistCond.isUsable() && "distribute cond expr was not built")((DistCond.isUsable() && "distribute cond expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistCond.isUsable() && \"distribute cond expr was not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8624, __PRETTY_FUNCTION__)); | ||||
8625 | |||||
8626 | DistInc = | ||||
8627 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); | ||||
8628 | assert(DistInc.isUsable() && "distribute inc expr was not built")((DistInc.isUsable() && "distribute inc expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8628, __PRETTY_FUNCTION__)); | ||||
8629 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), | ||||
8630 | DistInc.get()); | ||||
8631 | DistInc = | ||||
8632 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); | ||||
8633 | assert(DistInc.isUsable() && "distribute inc expr was not built")((DistInc.isUsable() && "distribute inc expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8633, __PRETTY_FUNCTION__)); | ||||
8634 | |||||
8635 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined | ||||
8636 | // construct | ||||
8637 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); | ||||
8638 | ExprResult IsUBGreater = | ||||
8639 | SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, UB.get(), PrevUB.get()); | ||||
8640 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | ||||
8641 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), PrevUB.get(), UB.get()); | ||||
8642 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), | ||||
8643 | CondOp.get()); | ||||
8644 | PrevEUB = | ||||
8645 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); | ||||
8646 | |||||
8647 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in | ||||
8648 | // parallel for is in combination with a distribute directive with | ||||
8649 | // schedule(static, 1) | ||||
8650 | Expr *BoundPrevUB = PrevUB.get(); | ||||
8651 | if (UseStrictCompare) { | ||||
8652 | BoundPrevUB = | ||||
8653 | SemaRef | ||||
8654 | .BuildBinOp( | ||||
8655 | CurScope, CondLoc, BO_Add, BoundPrevUB, | ||||
8656 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||
8657 | .get(); | ||||
8658 | BoundPrevUB = | ||||
8659 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) | ||||
8660 | .get(); | ||||
8661 | } | ||||
8662 | ParForInDistCond = | ||||
8663 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | ||||
8664 | IV.get(), BoundPrevUB); | ||||
8665 | } | ||||
8666 | |||||
8667 | // Build updates and final values of the loop counters. | ||||
8668 | bool HasErrors = false; | ||||
8669 | Built.Counters.resize(NestedLoopCount); | ||||
8670 | Built.Inits.resize(NestedLoopCount); | ||||
8671 | Built.Updates.resize(NestedLoopCount); | ||||
8672 | Built.Finals.resize(NestedLoopCount); | ||||
8673 | Built.DependentCounters.resize(NestedLoopCount); | ||||
8674 | Built.DependentInits.resize(NestedLoopCount); | ||||
8675 | Built.FinalsConditions.resize(NestedLoopCount); | ||||
8676 | { | ||||
8677 | // We implement the following algorithm for obtaining the | ||||
8678 | // original loop iteration variable values based on the | ||||
8679 | // value of the collapsed loop iteration variable IV. | ||||
8680 | // | ||||
8681 | // Let n+1 be the number of collapsed loops in the nest. | ||||
8682 | // Iteration variables (I0, I1, .... In) | ||||
8683 | // Iteration counts (N0, N1, ... Nn) | ||||
8684 | // | ||||
8685 | // Acc = IV; | ||||
8686 | // | ||||
8687 | // To compute Ik for loop k, 0 <= k <= n, generate: | ||||
8688 | // Prod = N(k+1) * N(k+2) * ... * Nn; | ||||
8689 | // Ik = Acc / Prod; | ||||
8690 | // Acc -= Ik * Prod; | ||||
8691 | // | ||||
8692 | ExprResult Acc = IV; | ||||
8693 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | ||||
8694 | LoopIterationSpace &IS = IterSpaces[Cnt]; | ||||
8695 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); | ||||
8696 | ExprResult Iter; | ||||
8697 | |||||
8698 | // Compute prod | ||||
8699 | ExprResult Prod = | ||||
8700 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | ||||
8701 | for (unsigned int K = Cnt+1; K < NestedLoopCount; ++K) | ||||
8702 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), | ||||
8703 | IterSpaces[K].NumIterations); | ||||
8704 | |||||
8705 | // Iter = Acc / Prod | ||||
8706 | // If there is at least one more inner loop to avoid | ||||
8707 | // multiplication by 1. | ||||
8708 | if (Cnt + 1 < NestedLoopCount) | ||||
8709 | Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, | ||||
8710 | Acc.get(), Prod.get()); | ||||
8711 | else | ||||
8712 | Iter = Acc; | ||||
8713 | if (!Iter.isUsable()) { | ||||
8714 | HasErrors = true; | ||||
8715 | break; | ||||
8716 | } | ||||
8717 | |||||
8718 | // Update Acc: | ||||
8719 | // Acc -= Iter * Prod | ||||
8720 | // Check if there is at least one more inner loop to avoid | ||||
8721 | // multiplication by 1. | ||||
8722 | if (Cnt + 1 < NestedLoopCount) | ||||
8723 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, | ||||
8724 | Iter.get(), Prod.get()); | ||||
8725 | else | ||||
8726 | Prod = Iter; | ||||
8727 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, | ||||
8728 | Acc.get(), Prod.get()); | ||||
8729 | |||||
8730 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step | ||||
8731 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); | ||||
8732 | DeclRefExpr *CounterVar = buildDeclRefExpr( | ||||
8733 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), | ||||
8734 | /*RefersToCapture=*/true); | ||||
8735 | ExprResult Init = | ||||
8736 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, | ||||
8737 | IS.CounterInit, IS.IsNonRectangularLB, Captures); | ||||
8738 | if (!Init.isUsable()) { | ||||
8739 | HasErrors = true; | ||||
8740 | break; | ||||
8741 | } | ||||
8742 | ExprResult Update = buildCounterUpdate( | ||||
8743 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, | ||||
8744 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); | ||||
8745 | if (!Update.isUsable()) { | ||||
8746 | HasErrors = true; | ||||
8747 | break; | ||||
8748 | } | ||||
8749 | |||||
8750 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step | ||||
8751 | ExprResult Final = | ||||
8752 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, | ||||
8753 | IS.CounterInit, IS.NumIterations, IS.CounterStep, | ||||
8754 | IS.Subtract, IS.IsNonRectangularLB, &Captures); | ||||
8755 | if (!Final.isUsable()) { | ||||
8756 | HasErrors = true; | ||||
8757 | break; | ||||
8758 | } | ||||
8759 | |||||
8760 | if (!Update.isUsable() || !Final.isUsable()) { | ||||
8761 | HasErrors = true; | ||||
8762 | break; | ||||
8763 | } | ||||
8764 | // Save results | ||||
8765 | Built.Counters[Cnt] = IS.CounterVar; | ||||
8766 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; | ||||
8767 | Built.Inits[Cnt] = Init.get(); | ||||
8768 | Built.Updates[Cnt] = Update.get(); | ||||
8769 | Built.Finals[Cnt] = Final.get(); | ||||
8770 | Built.DependentCounters[Cnt] = nullptr; | ||||
8771 | Built.DependentInits[Cnt] = nullptr; | ||||
8772 | Built.FinalsConditions[Cnt] = nullptr; | ||||
8773 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { | ||||
8774 | Built.DependentCounters[Cnt] = | ||||
8775 | Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; | ||||
8776 | Built.DependentInits[Cnt] = | ||||
8777 | Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; | ||||
8778 | Built.FinalsConditions[Cnt] = IS.FinalCondition; | ||||
8779 | } | ||||
8780 | } | ||||
8781 | } | ||||
8782 | |||||
8783 | if (HasErrors) | ||||
8784 | return 0; | ||||
8785 | |||||
8786 | // Save results | ||||
8787 | Built.IterationVarRef = IV.get(); | ||||
8788 | Built.LastIteration = LastIteration.get(); | ||||
8789 | Built.NumIterations = NumIterations.get(); | ||||
8790 | Built.CalcLastIteration = SemaRef | ||||
8791 | .ActOnFinishFullExpr(CalcLastIteration.get(), | ||||
8792 | /*DiscardedValue=*/false) | ||||
8793 | .get(); | ||||
8794 | Built.PreCond = PreCond.get(); | ||||
8795 | Built.PreInits = buildPreInits(C, Captures); | ||||
8796 | Built.Cond = Cond.get(); | ||||
8797 | Built.Init = Init.get(); | ||||
8798 | Built.Inc = Inc.get(); | ||||
8799 | Built.LB = LB.get(); | ||||
8800 | Built.UB = UB.get(); | ||||
8801 | Built.IL = IL.get(); | ||||
8802 | Built.ST = ST.get(); | ||||
8803 | Built.EUB = EUB.get(); | ||||
8804 | Built.NLB = NextLB.get(); | ||||
8805 | Built.NUB = NextUB.get(); | ||||
8806 | Built.PrevLB = PrevLB.get(); | ||||
8807 | Built.PrevUB = PrevUB.get(); | ||||
8808 | Built.DistInc = DistInc.get(); | ||||
8809 | Built.PrevEUB = PrevEUB.get(); | ||||
8810 | Built.DistCombinedFields.LB = CombLB.get(); | ||||
8811 | Built.DistCombinedFields.UB = CombUB.get(); | ||||
8812 | Built.DistCombinedFields.EUB = CombEUB.get(); | ||||
8813 | Built.DistCombinedFields.Init = CombInit.get(); | ||||
8814 | Built.DistCombinedFields.Cond = CombCond.get(); | ||||
8815 | Built.DistCombinedFields.NLB = CombNextLB.get(); | ||||
8816 | Built.DistCombinedFields.NUB = CombNextUB.get(); | ||||
8817 | Built.DistCombinedFields.DistCond = CombDistCond.get(); | ||||
8818 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); | ||||
8819 | |||||
8820 | return NestedLoopCount; | ||||
8821 | } | ||||
8822 | |||||
8823 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { | ||||
8824 | auto CollapseClauses = | ||||
8825 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); | ||||
8826 | if (CollapseClauses.begin() != CollapseClauses.end()) | ||||
8827 | return (*CollapseClauses.begin())->getNumForLoops(); | ||||
8828 | return nullptr; | ||||
8829 | } | ||||
8830 | |||||
8831 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { | ||||
8832 | auto OrderedClauses = | ||||
8833 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); | ||||
8834 | if (OrderedClauses.begin() != OrderedClauses.end()) | ||||
8835 | return (*OrderedClauses.begin())->getNumForLoops(); | ||||
8836 | return nullptr; | ||||
8837 | } | ||||
8838 | |||||
8839 | static bool checkSimdlenSafelenSpecified(Sema &S, | ||||
8840 | const ArrayRef<OMPClause *> Clauses) { | ||||
8841 | const OMPSafelenClause *Safelen = nullptr; | ||||
8842 | const OMPSimdlenClause *Simdlen = nullptr; | ||||
8843 | |||||
8844 | for (const OMPClause *Clause : Clauses) { | ||||
8845 | if (Clause->getClauseKind() == OMPC_safelen) | ||||
8846 | Safelen = cast<OMPSafelenClause>(Clause); | ||||
8847 | else if (Clause->getClauseKind() == OMPC_simdlen) | ||||
8848 | Simdlen = cast<OMPSimdlenClause>(Clause); | ||||
8849 | if (Safelen && Simdlen) | ||||
8850 | break; | ||||
8851 | } | ||||
8852 | |||||
8853 | if (Simdlen && Safelen) { | ||||
8854 | const Expr *SimdlenLength = Simdlen->getSimdlen(); | ||||
8855 | const Expr *SafelenLength = Safelen->getSafelen(); | ||||
8856 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || | ||||
8857 | SimdlenLength->isInstantiationDependent() || | ||||
8858 | SimdlenLength->containsUnexpandedParameterPack()) | ||||
8859 | return false; | ||||
8860 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || | ||||
8861 | SafelenLength->isInstantiationDependent() || | ||||
8862 | SafelenLength->containsUnexpandedParameterPack()) | ||||
8863 | return false; | ||||
8864 | Expr::EvalResult SimdlenResult, SafelenResult; | ||||
8865 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); | ||||
8866 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); | ||||
8867 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); | ||||
8868 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); | ||||
8869 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] | ||||
8870 | // If both simdlen and safelen clauses are specified, the value of the | ||||
8871 | // simdlen parameter must be less than or equal to the value of the safelen | ||||
8872 | // parameter. | ||||
8873 | if (SimdlenRes > SafelenRes) { | ||||
8874 | S.Diag(SimdlenLength->getExprLoc(), | ||||
8875 | diag::err_omp_wrong_simdlen_safelen_values) | ||||
8876 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); | ||||
8877 | return true; | ||||
8878 | } | ||||
8879 | } | ||||
8880 | return false; | ||||
8881 | } | ||||
8882 | |||||
8883 | StmtResult | ||||
8884 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | ||||
8885 | SourceLocation StartLoc, SourceLocation EndLoc, | ||||
8886 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8887 | if (!AStmt) | ||||
8888 | return StmtError(); | ||||
8889 | |||||
8890 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8890, __PRETTY_FUNCTION__)); | ||||
8891 | OMPLoopDirective::HelperExprs B; | ||||
8892 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8893 | // define the nested loops number. | ||||
8894 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
8895 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | ||||
8896 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
8897 | if (NestedLoopCount == 0) | ||||
8898 | return StmtError(); | ||||
8899 | |||||
8900 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp simd loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8901, __PRETTY_FUNCTION__)) | ||||
8901 | "omp simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp simd loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8901, __PRETTY_FUNCTION__)); | ||||
8902 | |||||
8903 | if (!CurContext->isDependentContext()) { | ||||
8904 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8905 | for (OMPClause *C : Clauses) { | ||||
8906 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8907 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8908 | B.NumIterations, *this, CurScope, | ||||
8909 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8910 | return StmtError(); | ||||
8911 | } | ||||
8912 | } | ||||
8913 | |||||
8914 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
8915 | return StmtError(); | ||||
8916 | |||||
8917 | setFunctionHasBranchProtectedScope(); | ||||
8918 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | ||||
8919 | Clauses, AStmt, B); | ||||
8920 | } | ||||
8921 | |||||
8922 | StmtResult | ||||
8923 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | ||||
8924 | SourceLocation StartLoc, SourceLocation EndLoc, | ||||
8925 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8926 | if (!AStmt) | ||||
8927 | return StmtError(); | ||||
8928 | |||||
8929 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8929, __PRETTY_FUNCTION__)); | ||||
8930 | OMPLoopDirective::HelperExprs B; | ||||
8931 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8932 | // define the nested loops number. | ||||
8933 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
8934 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | ||||
8935 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
8936 | if (NestedLoopCount == 0) | ||||
8937 | return StmtError(); | ||||
8938 | |||||
8939 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8940, __PRETTY_FUNCTION__)) | ||||
8940 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8940, __PRETTY_FUNCTION__)); | ||||
8941 | |||||
8942 | if (!CurContext->isDependentContext()) { | ||||
8943 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8944 | for (OMPClause *C : Clauses) { | ||||
8945 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8946 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8947 | B.NumIterations, *this, CurScope, | ||||
8948 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8949 | return StmtError(); | ||||
8950 | } | ||||
8951 | } | ||||
8952 | |||||
8953 | setFunctionHasBranchProtectedScope(); | ||||
8954 | return OMPForDirective::Create( | ||||
8955 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
8956 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8957 | } | ||||
8958 | |||||
8959 | StmtResult Sema::ActOnOpenMPForSimdDirective( | ||||
8960 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
8961 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8962 | if (!AStmt) | ||||
8963 | return StmtError(); | ||||
8964 | |||||
8965 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8965, __PRETTY_FUNCTION__)); | ||||
8966 | OMPLoopDirective::HelperExprs B; | ||||
8967 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8968 | // define the nested loops number. | ||||
8969 | unsigned NestedLoopCount = | ||||
8970 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), | ||||
8971 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
8972 | VarsWithImplicitDSA, B); | ||||
8973 | if (NestedLoopCount == 0) | ||||
8974 | return StmtError(); | ||||
8975 | |||||
8976 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for simd loop exprs were not built") ? static_cast<void > (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8977, __PRETTY_FUNCTION__)) | ||||
8977 | "omp for simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for simd loop exprs were not built") ? static_cast<void > (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 8977, __PRETTY_FUNCTION__)); | ||||
8978 | |||||
8979 | if (!CurContext->isDependentContext()) { | ||||
8980 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8981 | for (OMPClause *C : Clauses) { | ||||
8982 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8983 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8984 | B.NumIterations, *this, CurScope, | ||||
8985 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8986 | return StmtError(); | ||||
8987 | } | ||||
8988 | } | ||||
8989 | |||||
8990 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
8991 | return StmtError(); | ||||
8992 | |||||
8993 | setFunctionHasBranchProtectedScope(); | ||||
8994 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | ||||
8995 | Clauses, AStmt, B); | ||||
8996 | } | ||||
8997 | |||||
8998 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, | ||||
8999 | Stmt *AStmt, | ||||
9000 | SourceLocation StartLoc, | ||||
9001 | SourceLocation EndLoc) { | ||||
9002 | if (!AStmt) | ||||
9003 | return StmtError(); | ||||
9004 | |||||
9005 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9005, __PRETTY_FUNCTION__)); | ||||
9006 | auto BaseStmt = AStmt; | ||||
9007 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | ||||
9008 | BaseStmt = CS->getCapturedStmt(); | ||||
9009 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | ||||
9010 | auto S = C->children(); | ||||
9011 | if (S.begin() == S.end()) | ||||
9012 | return StmtError(); | ||||
9013 | // All associated statements must be '#pragma omp section' except for | ||||
9014 | // the first one. | ||||
9015 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | ||||
9016 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | ||||
9017 | if (SectionStmt) | ||||
9018 | Diag(SectionStmt->getBeginLoc(), | ||||
9019 | diag::err_omp_sections_substmt_not_section); | ||||
9020 | return StmtError(); | ||||
9021 | } | ||||
9022 | cast<OMPSectionDirective>(SectionStmt) | ||||
9023 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9024 | } | ||||
9025 | } else { | ||||
9026 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); | ||||
9027 | return StmtError(); | ||||
9028 | } | ||||
9029 | |||||
9030 | setFunctionHasBranchProtectedScope(); | ||||
9031 | |||||
9032 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
9033 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), | ||||
9034 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9035 | } | ||||
9036 | |||||
9037 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, | ||||
9038 | SourceLocation StartLoc, | ||||
9039 | SourceLocation EndLoc) { | ||||
9040 | if (!AStmt) | ||||
9041 | return StmtError(); | ||||
9042 | |||||
9043 | setFunctionHasBranchProtectedScope(); | ||||
9044 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9045 | |||||
9046 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, | ||||
9047 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9048 | } | ||||
9049 | |||||
9050 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, | ||||
9051 | Stmt *AStmt, | ||||
9052 | SourceLocation StartLoc, | ||||
9053 | SourceLocation EndLoc) { | ||||
9054 | if (!AStmt) | ||||
9055 | return StmtError(); | ||||
9056 | |||||
9057 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9057, __PRETTY_FUNCTION__)); | ||||
9058 | |||||
9059 | setFunctionHasBranchProtectedScope(); | ||||
9060 | |||||
9061 | // OpenMP [2.7.3, single Construct, Restrictions] | ||||
9062 | // The copyprivate clause must not be used with the nowait clause. | ||||
9063 | const OMPClause *Nowait = nullptr; | ||||
9064 | const OMPClause *Copyprivate = nullptr; | ||||
9065 | for (const OMPClause *Clause : Clauses) { | ||||
9066 | if (Clause->getClauseKind() == OMPC_nowait) | ||||
9067 | Nowait = Clause; | ||||
9068 | else if (Clause->getClauseKind() == OMPC_copyprivate) | ||||
9069 | Copyprivate = Clause; | ||||
9070 | if (Copyprivate && Nowait) { | ||||
9071 | Diag(Copyprivate->getBeginLoc(), | ||||
9072 | diag::err_omp_single_copyprivate_with_nowait); | ||||
9073 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); | ||||
9074 | return StmtError(); | ||||
9075 | } | ||||
9076 | } | ||||
9077 | |||||
9078 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
9079 | } | ||||
9080 | |||||
9081 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, | ||||
9082 | SourceLocation StartLoc, | ||||
9083 | SourceLocation EndLoc) { | ||||
9084 | if (!AStmt) | ||||
9085 | return StmtError(); | ||||
9086 | |||||
9087 | setFunctionHasBranchProtectedScope(); | ||||
9088 | |||||
9089 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); | ||||
9090 | } | ||||
9091 | |||||
9092 | StmtResult Sema::ActOnOpenMPCriticalDirective( | ||||
9093 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, | ||||
9094 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | ||||
9095 | if (!AStmt) | ||||
9096 | return StmtError(); | ||||
9097 | |||||
9098 | bool ErrorFound = false; | ||||
9099 | llvm::APSInt Hint; | ||||
9100 | SourceLocation HintLoc; | ||||
9101 | bool DependentHint = false; | ||||
9102 | for (const OMPClause *C : Clauses) { | ||||
9103 | if (C->getClauseKind() == OMPC_hint) { | ||||
9104 | if (!DirName.getName()) { | ||||
9105 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); | ||||
9106 | ErrorFound = true; | ||||
9107 | } | ||||
9108 | Expr *E = cast<OMPHintClause>(C)->getHint(); | ||||
9109 | if (E->isTypeDependent() || E->isValueDependent() || | ||||
9110 | E->isInstantiationDependent()) { | ||||
9111 | DependentHint = true; | ||||
9112 | } else { | ||||
9113 | Hint = E->EvaluateKnownConstInt(Context); | ||||
9114 | HintLoc = C->getBeginLoc(); | ||||
9115 | } | ||||
9116 | } | ||||
9117 | } | ||||
9118 | if (ErrorFound) | ||||
9119 | return StmtError(); | ||||
9120 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); | ||||
9121 | if (Pair.first && DirName.getName() && !DependentHint) { | ||||
9122 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { | ||||
9123 | Diag(StartLoc, diag::err_omp_critical_with_hint); | ||||
9124 | if (HintLoc.isValid()) | ||||
9125 | Diag(HintLoc, diag::note_omp_critical_hint_here) | ||||
9126 | << 0 << Hint.toString(/*Radix=*/10, /*Signed=*/false); | ||||
9127 | else | ||||
9128 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; | ||||
9129 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { | ||||
9130 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) | ||||
9131 | << 1 | ||||
9132 | << C->getHint()->EvaluateKnownConstInt(Context).toString( | ||||
9133 | /*Radix=*/10, /*Signed=*/false); | ||||
9134 | } else { | ||||
9135 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; | ||||
9136 | } | ||||
9137 | } | ||||
9138 | } | ||||
9139 | |||||
9140 | setFunctionHasBranchProtectedScope(); | ||||
9141 | |||||
9142 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, | ||||
9143 | Clauses, AStmt); | ||||
9144 | if (!Pair.first && DirName.getName() && !DependentHint) | ||||
9145 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); | ||||
9146 | return Dir; | ||||
9147 | } | ||||
9148 | |||||
9149 | StmtResult Sema::ActOnOpenMPParallelForDirective( | ||||
9150 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
9151 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
9152 | if (!AStmt) | ||||
9153 | return StmtError(); | ||||
9154 | |||||
9155 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9156 | // 1.2.2 OpenMP Language Terminology | ||||
9157 | // Structured block - An executable statement with a single entry at the | ||||
9158 | // top and a single exit at the bottom. | ||||
9159 | // The point of exit cannot be a branch out of the structured block. | ||||
9160 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9161 | CS->getCapturedDecl()->setNothrow(); | ||||
9162 | |||||
9163 | OMPLoopDirective::HelperExprs B; | ||||
9164 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
9165 | // define the nested loops number. | ||||
9166 | unsigned NestedLoopCount = | ||||
9167 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), | ||||
9168 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
9169 | VarsWithImplicitDSA, B); | ||||
9170 | if (NestedLoopCount == 0) | ||||
9171 | return StmtError(); | ||||
9172 | |||||
9173 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp parallel for loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9174, __PRETTY_FUNCTION__)) | ||||
9174 | "omp parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp parallel for loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9174, __PRETTY_FUNCTION__)); | ||||
9175 | |||||
9176 | if (!CurContext->isDependentContext()) { | ||||
9177 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
9178 | for (OMPClause *C : Clauses) { | ||||
9179 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
9180 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
9181 | B.NumIterations, *this, CurScope, | ||||
9182 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
9183 | return StmtError(); | ||||
9184 | } | ||||
9185 | } | ||||
9186 | |||||
9187 | setFunctionHasBranchProtectedScope(); | ||||
9188 | return OMPParallelForDirective::Create( | ||||
9189 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
9190 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9191 | } | ||||
9192 | |||||
9193 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( | ||||
9194 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
9195 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
9196 | if (!AStmt) | ||||
9197 | return StmtError(); | ||||
9198 | |||||
9199 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9200 | // 1.2.2 OpenMP Language Terminology | ||||
9201 | // Structured block - An executable statement with a single entry at the | ||||
9202 | // top and a single exit at the bottom. | ||||
9203 | // The point of exit cannot be a branch out of the structured block. | ||||
9204 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9205 | CS->getCapturedDecl()->setNothrow(); | ||||
9206 | |||||
9207 | OMPLoopDirective::HelperExprs B; | ||||
9208 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
9209 | // define the nested loops number. | ||||
9210 | unsigned NestedLoopCount = | ||||
9211 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
9212 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
9213 | VarsWithImplicitDSA, B); | ||||
9214 | if (NestedLoopCount == 0) | ||||
9215 | return StmtError(); | ||||
9216 | |||||
9217 | if (!CurContext->isDependentContext()) { | ||||
9218 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
9219 | for (OMPClause *C : Clauses) { | ||||
9220 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
9221 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
9222 | B.NumIterations, *this, CurScope, | ||||
9223 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
9224 | return StmtError(); | ||||
9225 | } | ||||
9226 | } | ||||
9227 | |||||
9228 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
9229 | return StmtError(); | ||||
9230 | |||||
9231 | setFunctionHasBranchProtectedScope(); | ||||
9232 | return OMPParallelForSimdDirective::Create( | ||||
9233 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
9234 | } | ||||
9235 | |||||
9236 | StmtResult | ||||
9237 | Sema::ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, | ||||
9238 | Stmt *AStmt, SourceLocation StartLoc, | ||||
9239 | SourceLocation EndLoc) { | ||||
9240 | if (!AStmt) | ||||
9241 | return StmtError(); | ||||
9242 | |||||
9243 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9243, __PRETTY_FUNCTION__)); | ||||
9244 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9245 | // 1.2.2 OpenMP Language Terminology | ||||
9246 | // Structured block - An executable statement with a single entry at the | ||||
9247 | // top and a single exit at the bottom. | ||||
9248 | // The point of exit cannot be a branch out of the structured block. | ||||
9249 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9250 | CS->getCapturedDecl()->setNothrow(); | ||||
9251 | |||||
9252 | setFunctionHasBranchProtectedScope(); | ||||
9253 | |||||
9254 | return OMPParallelMasterDirective::Create( | ||||
9255 | Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
9256 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | ||||
9257 | } | ||||
9258 | |||||
9259 | StmtResult | ||||
9260 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, | ||||
9261 | Stmt *AStmt, SourceLocation StartLoc, | ||||
9262 | SourceLocation EndLoc) { | ||||
9263 | if (!AStmt) | ||||
9264 | return StmtError(); | ||||
9265 | |||||
9266 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9266, __PRETTY_FUNCTION__)); | ||||
9267 | auto BaseStmt = AStmt; | ||||
9268 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | ||||
9269 | BaseStmt = CS->getCapturedStmt(); | ||||
9270 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | ||||
9271 | auto S = C->children(); | ||||
9272 | if (S.begin() == S.end()) | ||||
9273 | return StmtError(); | ||||
9274 | // All associated statements must be '#pragma omp section' except for | ||||
9275 | // the first one. | ||||
9276 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | ||||
9277 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | ||||
9278 | if (SectionStmt) | ||||
9279 | Diag(SectionStmt->getBeginLoc(), | ||||
9280 | diag::err_omp_parallel_sections_substmt_not_section); | ||||
9281 | return StmtError(); | ||||
9282 | } | ||||
9283 | cast<OMPSectionDirective>(SectionStmt) | ||||
9284 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9285 | } | ||||
9286 | } else { | ||||
9287 | Diag(AStmt->getBeginLoc(), | ||||
9288 | diag::err_omp_parallel_sections_not_compound_stmt); | ||||
9289 | return StmtError(); | ||||
9290 | } | ||||
9291 | |||||
9292 | setFunctionHasBranchProtectedScope(); | ||||
9293 | |||||
9294 | return OMPParallelSectionsDirective::Create( | ||||
9295 | Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
9296 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9297 | } | ||||
9298 | |||||
9299 | /// detach and mergeable clauses are mutially exclusive, check for it. | ||||
9300 | static bool checkDetachMergeableClauses(Sema &S, | ||||
9301 | ArrayRef<OMPClause *> Clauses) { | ||||
9302 | const OMPClause *PrevClause = nullptr; | ||||
9303 | bool ErrorFound = false; | ||||
9304 | for (const OMPClause *C : Clauses) { | ||||
9305 | if (C->getClauseKind() == OMPC_detach || | ||||
9306 | C->getClauseKind() == OMPC_mergeable) { | ||||
9307 | if (!PrevClause) { | ||||
9308 | PrevClause = C; | ||||
9309 | } else if (PrevClause->getClauseKind() != C->getClauseKind()) { | ||||
9310 | S.Diag(C->getBeginLoc(), diag::err_omp_clauses_mutually_exclusive) | ||||
9311 | << getOpenMPClauseName(C->getClauseKind()) | ||||
9312 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||
9313 | S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_clause) | ||||
9314 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||
9315 | ErrorFound = true; | ||||
9316 | } | ||||
9317 | } | ||||
9318 | } | ||||
9319 | return ErrorFound; | ||||
9320 | } | ||||
9321 | |||||
9322 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, | ||||
9323 | Stmt *AStmt, SourceLocation StartLoc, | ||||
9324 | SourceLocation EndLoc) { | ||||
9325 | if (!AStmt) | ||||
9326 | return StmtError(); | ||||
9327 | |||||
9328 | // OpenMP 5.0, 2.10.1 task Construct | ||||
9329 | // If a detach clause appears on the directive, then a mergeable clause cannot | ||||
9330 | // appear on the same directive. | ||||
9331 | if (checkDetachMergeableClauses(*this, Clauses)) | ||||
9332 | return StmtError(); | ||||
9333 | |||||
9334 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9335 | // 1.2.2 OpenMP Language Terminology | ||||
9336 | // Structured block - An executable statement with a single entry at the | ||||
9337 | // top and a single exit at the bottom. | ||||
9338 | // The point of exit cannot be a branch out of the structured block. | ||||
9339 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9340 | CS->getCapturedDecl()->setNothrow(); | ||||
9341 | |||||
9342 | setFunctionHasBranchProtectedScope(); | ||||
9343 | |||||
9344 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
9345 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9346 | } | ||||
9347 | |||||
9348 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, | ||||
9349 | SourceLocation EndLoc) { | ||||
9350 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); | ||||
9351 | } | ||||
9352 | |||||
9353 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, | ||||
9354 | SourceLocation EndLoc) { | ||||
9355 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); | ||||
9356 | } | ||||
9357 | |||||
9358 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, | ||||
9359 | SourceLocation EndLoc) { | ||||
9360 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); | ||||
9361 | } | ||||
9362 | |||||
9363 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, | ||||
9364 | Stmt *AStmt, | ||||
9365 | SourceLocation StartLoc, | ||||
9366 | SourceLocation EndLoc) { | ||||
9367 | if (!AStmt) | ||||
9368 | return StmtError(); | ||||
9369 | |||||
9370 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9370, __PRETTY_FUNCTION__)); | ||||
9371 | |||||
9372 | setFunctionHasBranchProtectedScope(); | ||||
9373 | |||||
9374 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
9375 | AStmt, | ||||
9376 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | ||||
9377 | } | ||||
9378 | |||||
9379 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, | ||||
9380 | SourceLocation StartLoc, | ||||
9381 | SourceLocation EndLoc) { | ||||
9382 | OMPFlushClause *FC = nullptr; | ||||
9383 | OMPClause *OrderClause = nullptr; | ||||
9384 | for (OMPClause *C : Clauses) { | ||||
9385 | if (C->getClauseKind() == OMPC_flush) | ||||
9386 | FC = cast<OMPFlushClause>(C); | ||||
9387 | else | ||||
9388 | OrderClause = C; | ||||
9389 | } | ||||
9390 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | ||||
9391 | SourceLocation MemOrderLoc; | ||||
9392 | for (const OMPClause *C : Clauses) { | ||||
9393 | if (C->getClauseKind() == OMPC_acq_rel || | ||||
9394 | C->getClauseKind() == OMPC_acquire || | ||||
9395 | C->getClauseKind() == OMPC_release) { | ||||
9396 | if (MemOrderKind != OMPC_unknown) { | ||||
9397 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | ||||
9398 | << getOpenMPDirectiveName(OMPD_flush) << 1 | ||||
9399 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||
9400 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||
9401 | << getOpenMPClauseName(MemOrderKind); | ||||
9402 | } else { | ||||
9403 | MemOrderKind = C->getClauseKind(); | ||||
9404 | MemOrderLoc = C->getBeginLoc(); | ||||
9405 | } | ||||
9406 | } | ||||
9407 | } | ||||
9408 | if (FC && OrderClause) { | ||||
9409 | Diag(FC->getLParenLoc(), diag::err_omp_flush_order_clause_and_list) | ||||
9410 | << getOpenMPClauseName(OrderClause->getClauseKind()); | ||||
9411 | Diag(OrderClause->getBeginLoc(), diag::note_omp_flush_order_clause_here) | ||||
9412 | << getOpenMPClauseName(OrderClause->getClauseKind()); | ||||
9413 | return StmtError(); | ||||
9414 | } | ||||
9415 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||
9416 | } | ||||
9417 | |||||
9418 | StmtResult Sema::ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, | ||||
9419 | SourceLocation StartLoc, | ||||
9420 | SourceLocation EndLoc) { | ||||
9421 | if (Clauses.empty()) { | ||||
9422 | Diag(StartLoc, diag::err_omp_depobj_expected); | ||||
9423 | return StmtError(); | ||||
9424 | } else if (Clauses[0]->getClauseKind() != OMPC_depobj) { | ||||
9425 | Diag(Clauses[0]->getBeginLoc(), diag::err_omp_depobj_expected); | ||||
9426 | return StmtError(); | ||||
9427 | } | ||||
9428 | // Only depobj expression and another single clause is allowed. | ||||
9429 | if (Clauses.size() > 2) { | ||||
9430 | Diag(Clauses[2]->getBeginLoc(), | ||||
9431 | diag::err_omp_depobj_single_clause_expected); | ||||
9432 | return StmtError(); | ||||
9433 | } else if (Clauses.size() < 1) { | ||||
9434 | Diag(Clauses[0]->getEndLoc(), diag::err_omp_depobj_single_clause_expected); | ||||
9435 | return StmtError(); | ||||
9436 | } | ||||
9437 | return OMPDepobjDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||
9438 | } | ||||
9439 | |||||
9440 | StmtResult Sema::ActOnOpenMPScanDirective(ArrayRef<OMPClause *> Clauses, | ||||
9441 | SourceLocation StartLoc, | ||||
9442 | SourceLocation EndLoc) { | ||||
9443 | // Check that exactly one clause is specified. | ||||
9444 | if (Clauses.size() != 1) { | ||||
9445 | Diag(Clauses.empty() ? EndLoc : Clauses[1]->getBeginLoc(), | ||||
9446 | diag::err_omp_scan_single_clause_expected); | ||||
9447 | return StmtError(); | ||||
9448 | } | ||||
9449 | // Check that scan directive is used in the scopeof the OpenMP loop body. | ||||
9450 | if (Scope *S = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()) { | ||||
9451 | Scope *ParentS = S->getParent(); | ||||
9452 | if (!ParentS || ParentS->getParent() != ParentS->getBreakParent() || | ||||
9453 | !ParentS->getBreakParent()->isOpenMPLoopScope()) | ||||
9454 | return StmtError(Diag(StartLoc, diag::err_omp_orphaned_device_directive) | ||||
9455 | << getOpenMPDirectiveName(OMPD_scan) << 5); | ||||
9456 | } | ||||
9457 | // Check that only one instance of scan directives is used in the same outer | ||||
9458 | // region. | ||||
9459 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasScanDirective()) { | ||||
9460 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "scan"; | ||||
9461 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentScanDirectiveLoc(), | ||||
9462 | diag::note_omp_previous_directive) | ||||
9463 | << "scan"; | ||||
9464 | return StmtError(); | ||||
9465 | } | ||||
9466 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasScanDirective(StartLoc); | ||||
9467 | return OMPScanDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||
9468 | } | ||||
9469 | |||||
9470 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, | ||||
9471 | Stmt *AStmt, | ||||
9472 | SourceLocation StartLoc, | ||||
9473 | SourceLocation EndLoc) { | ||||
9474 | const OMPClause *DependFound = nullptr; | ||||
9475 | const OMPClause *DependSourceClause = nullptr; | ||||
9476 | const OMPClause *DependSinkClause = nullptr; | ||||
9477 | bool ErrorFound = false; | ||||
9478 | const OMPThreadsClause *TC = nullptr; | ||||
9479 | const OMPSIMDClause *SC = nullptr; | ||||
9480 | for (const OMPClause *C : Clauses) { | ||||
9481 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { | ||||
9482 | DependFound = C; | ||||
9483 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { | ||||
9484 | if (DependSourceClause) { | ||||
9485 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | ||||
9486 | << getOpenMPDirectiveName(OMPD_ordered) | ||||
9487 | << getOpenMPClauseName(OMPC_depend) << 2; | ||||
9488 | ErrorFound = true; | ||||
9489 | } else { | ||||
9490 | DependSourceClause = C; | ||||
9491 | } | ||||
9492 | if (DependSinkClause) { | ||||
9493 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | ||||
9494 | << 0; | ||||
9495 | ErrorFound = true; | ||||
9496 | } | ||||
9497 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { | ||||
9498 | if (DependSourceClause) { | ||||
9499 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | ||||
9500 | << 1; | ||||
9501 | ErrorFound = true; | ||||
9502 | } | ||||
9503 | DependSinkClause = C; | ||||
9504 | } | ||||
9505 | } else if (C->getClauseKind() == OMPC_threads) { | ||||
9506 | TC = cast<OMPThreadsClause>(C); | ||||
9507 | } else if (C->getClauseKind() == OMPC_simd) { | ||||
9508 | SC = cast<OMPSIMDClause>(C); | ||||
9509 | } | ||||
9510 | } | ||||
9511 | if (!ErrorFound && !SC && | ||||
9512 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { | ||||
9513 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||
9514 | // An ordered construct with the simd clause is the only OpenMP construct | ||||
9515 | // that can appear in the simd region. | ||||
9516 | Diag(StartLoc, diag::err_omp_prohibited_region_simd) | ||||
9517 | << (LangOpts.OpenMP >= 50 ? 1 : 0); | ||||
9518 | ErrorFound = true; | ||||
9519 | } else if (DependFound && (TC || SC)) { | ||||
9520 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) | ||||
9521 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); | ||||
9522 | ErrorFound = true; | ||||
9523 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||
9524 | Diag(DependFound->getBeginLoc(), | ||||
9525 | diag::err_omp_ordered_directive_without_param); | ||||
9526 | ErrorFound = true; | ||||
9527 | } else if (TC || Clauses.empty()) { | ||||
9528 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||
9529 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; | ||||
9530 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) | ||||
9531 | << (TC != nullptr); | ||||
9532 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param) << 1; | ||||
9533 | ErrorFound = true; | ||||
9534 | } | ||||
9535 | } | ||||
9536 | if ((!AStmt && !DependFound) || ErrorFound) | ||||
9537 | return StmtError(); | ||||
9538 | |||||
9539 | // OpenMP 5.0, 2.17.9, ordered Construct, Restrictions. | ||||
9540 | // During execution of an iteration of a worksharing-loop or a loop nest | ||||
9541 | // within a worksharing-loop, simd, or worksharing-loop SIMD region, a thread | ||||
9542 | // must not execute more than one ordered region corresponding to an ordered | ||||
9543 | // construct without a depend clause. | ||||
9544 | if (!DependFound) { | ||||
9545 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasOrderedDirective()) { | ||||
9546 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "ordered"; | ||||
9547 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedDirectiveLoc(), | ||||
9548 | diag::note_omp_previous_directive) | ||||
9549 | << "ordered"; | ||||
9550 | return StmtError(); | ||||
9551 | } | ||||
9552 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasOrderedDirective(StartLoc); | ||||
9553 | } | ||||
9554 | |||||
9555 | if (AStmt) { | ||||
9556 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 9556, __PRETTY_FUNCTION__)); | ||||
9557 | |||||
9558 | setFunctionHasBranchProtectedScope(); | ||||
9559 | } | ||||
9560 | |||||
9561 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
9562 | } | ||||
9563 | |||||
9564 | namespace { | ||||
9565 | /// Helper class for checking expression in 'omp atomic [update]' | ||||
9566 | /// construct. | ||||
9567 | class OpenMPAtomicUpdateChecker { | ||||
9568 | /// Error results for atomic update expressions. | ||||
9569 | enum ExprAnalysisErrorCode { | ||||
9570 | /// A statement is not an expression statement. | ||||
9571 | NotAnExpression, | ||||
9572 | /// Expression is not builtin binary or unary operation. | ||||
9573 | NotABinaryOrUnaryExpression, | ||||
9574 | /// Unary operation is not post-/pre- increment/decrement operation. | ||||
9575 | NotAnUnaryIncDecExpression, | ||||
9576 | /// An expression is not of scalar type. | ||||
9577 | NotAScalarType, | ||||
9578 | /// A binary operation is not an assignment operation. | ||||
9579 | NotAnAssignmentOp, | ||||
9580 | /// RHS part of the binary operation is not a binary expression. | ||||
9581 | NotABinaryExpression, | ||||
9582 | /// RHS part is not additive/multiplicative/shift/biwise binary | ||||
9583 | /// expression. | ||||
9584 | NotABinaryOperator, | ||||
9585 | /// RHS binary operation does not have reference to the updated LHS | ||||
9586 | /// part. | ||||
9587 | NotAnUpdateExpression, | ||||
9588 | /// No errors is found. | ||||
9589 | NoError | ||||
9590 | }; | ||||
9591 | /// Reference to Sema. | ||||
9592 | Sema &SemaRef; | ||||
9593 | /// A location for note diagnostics (when error is found). | ||||
9594 | SourceLocation NoteLoc; | ||||
9595 | /// 'x' lvalue part of the source atomic expression. | ||||
9596 | Expr *X; | ||||
9597 | /// 'expr' rvalue part of the source atomic expression. | ||||
9598 | Expr *E; | ||||
9599 | /// Helper expression of the form | ||||
9600 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | ||||
9601 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | ||||
9602 | Expr *UpdateExpr; | ||||
9603 | /// Is 'x' a LHS in a RHS part of full update expression. It is | ||||
9604 | /// important for non-associative operations. | ||||
9605 | bool IsXLHSInRHSPart; | ||||
9606 | BinaryOperatorKind Op; | ||||
9607 | SourceLocation OpLoc; | ||||
9608 | /// true if the source expression is a postfix unary operation, false | ||||
9609 | /// if it is a prefix unary operation. | ||||
9610 | bool IsPostfixUpdate; | ||||
9611 | |||||
9612 | public: | ||||
9613 | OpenMPAtomicUpdateChecker(Sema &SemaRef) | ||||
9614 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), | ||||
9615 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} | ||||
9616 | /// Check specified statement that it is suitable for 'atomic update' | ||||
9617 | /// constructs and extract 'x', 'expr' and Operation from the original | ||||
9618 | /// expression. If DiagId and NoteId == 0, then only check is performed | ||||
9619 | /// without error notification. | ||||
9620 | /// \param DiagId Diagnostic which should be emitted if error is found. | ||||
9621 | /// \param NoteId Diagnostic note for the main error message. | ||||
9622 | /// \return true if statement is not an update expression, false otherwise. | ||||
9623 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); | ||||
9624 | /// Return the 'x' lvalue part of the source atomic expression. | ||||
9625 | Expr *getX() const { return X; } | ||||
9626 | /// Return the 'expr' rvalue part of the source atomic expression. | ||||
9627 | Expr *getExpr() const { return E; } | ||||
9628 | /// Return the update expression used in calculation of the updated | ||||
9629 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | ||||
9630 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | ||||
9631 | Expr *getUpdateExpr() const { return UpdateExpr; } | ||||
9632 | /// Return true if 'x' is LHS in RHS part of full update expression, | ||||
9633 | /// false otherwise. | ||||
9634 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } | ||||
9635 | |||||
9636 | /// true if the source expression is a postfix unary operation, false | ||||
9637 | /// if it is a prefix unary operation. | ||||
9638 | bool isPostfixUpdate() const { return IsPostfixUpdate; } | ||||
9639 | |||||
9640 | private: | ||||
9641 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, | ||||
9642 | unsigned NoteId = 0); | ||||
9643 | }; | ||||
9644 | } // namespace | ||||
9645 | |||||
9646 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( | ||||
9647 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { | ||||
9648 | ExprAnalysisErrorCode ErrorFound = NoError; | ||||
9649 | SourceLocation ErrorLoc, NoteLoc; | ||||
9650 | SourceRange ErrorRange, NoteRange; | ||||
9651 | // Allowed constructs are: | ||||
9652 | // x = x binop expr; | ||||
9653 | // x = expr binop x; | ||||
9654 | if (AtomicBinOp->getOpcode() == BO_Assign) { | ||||
9655 | X = AtomicBinOp->getLHS(); | ||||
9656 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( | ||||
9657 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { | ||||
9658 | if (AtomicInnerBinOp->isMultiplicativeOp() || | ||||
9659 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || | ||||
9660 | AtomicInnerBinOp->isBitwiseOp()) { | ||||
9661 | Op = AtomicInnerBinOp->getOpcode(); | ||||
9662 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); | ||||
9663 | Expr *LHS = AtomicInnerBinOp->getLHS(); | ||||
9664 | Expr *RHS = AtomicInnerBinOp->getRHS(); | ||||
9665 | llvm::FoldingSetNodeID XId, LHSId, RHSId; | ||||
9666 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), | ||||
9667 | /*Canonical=*/true); | ||||
9668 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), | ||||
9669 | /*Canonical=*/true); | ||||
9670 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), | ||||
9671 | /*Canonical=*/true); | ||||
9672 | if (XId == LHSId) { | ||||
9673 | E = RHS; | ||||
9674 | IsXLHSInRHSPart = true; | ||||
9675 | } else if (XId == RHSId) { | ||||
9676 | E = LHS; | ||||
9677 | IsXLHSInRHSPart = false; | ||||
9678 | } else { | ||||
9679 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | ||||
9680 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | ||||
9681 | NoteLoc = X->getExprLoc(); | ||||
9682 | NoteRange = X->getSourceRange(); | ||||
9683 | ErrorFound = NotAnUpdateExpression; | ||||
9684 | } | ||||
9685 | } else { | ||||
9686 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | ||||
9687 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | ||||
9688 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); | ||||
9689 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||
9690 | ErrorFound = NotABinaryOperator; | ||||
9691 | } | ||||
9692 | } else { | ||||
9693 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); | ||||
9694 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); | ||||
9695 | ErrorFound = NotABinaryExpression; | ||||
9696 | } | ||||
9697 | } else { | ||||
9698 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9699 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9700 | NoteLoc = AtomicBinOp->getOperatorLoc(); | ||||
9701 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||
9702 | ErrorFound = NotAnAssignmentOp; | ||||
9703 | } | ||||
9704 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | ||||
9705 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | ||||
9706 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | ||||
9707 | return true; | ||||
9708 | } | ||||
9709 | if (SemaRef.CurContext->isDependentContext()) | ||||
9710 | E = X = UpdateExpr = nullptr; | ||||
9711 | return ErrorFound != NoError; | ||||
9712 | } | ||||
9713 | |||||
9714 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, | ||||
9715 | unsigned NoteId) { | ||||
9716 | ExprAnalysisErrorCode ErrorFound = NoError; | ||||
9717 | SourceLocation ErrorLoc, NoteLoc; | ||||
9718 | SourceRange ErrorRange, NoteRange; | ||||
9719 | // Allowed constructs are: | ||||
9720 | // x++; | ||||
9721 | // x--; | ||||
9722 | // ++x; | ||||
9723 | // --x; | ||||
9724 | // x binop= expr; | ||||
9725 | // x = x binop expr; | ||||
9726 | // x = expr binop x; | ||||
9727 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { | ||||
9728 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); | ||||
9729 | if (AtomicBody->getType()->isScalarType() || | ||||
9730 | AtomicBody->isInstantiationDependent()) { | ||||
9731 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( | ||||
9732 | AtomicBody->IgnoreParenImpCasts())) { | ||||
9733 | // Check for Compound Assignment Operation | ||||
9734 | Op = BinaryOperator::getOpForCompoundAssignment( | ||||
9735 | AtomicCompAssignOp->getOpcode()); | ||||
9736 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); | ||||
9737 | E = AtomicCompAssignOp->getRHS(); | ||||
9738 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); | ||||
9739 | IsXLHSInRHSPart = true; | ||||
9740 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( | ||||
9741 | AtomicBody->IgnoreParenImpCasts())) { | ||||
9742 | // Check for Binary Operation | ||||
9743 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) | ||||
9744 | return true; | ||||
9745 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( | ||||
9746 | AtomicBody->IgnoreParenImpCasts())) { | ||||
9747 | // Check for Unary Operation | ||||
9748 | if (AtomicUnaryOp->isIncrementDecrementOp()) { | ||||
9749 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); | ||||
9750 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; | ||||
9751 | OpLoc = AtomicUnaryOp->getOperatorLoc(); | ||||
9752 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); | ||||
9753 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); | ||||
9754 | IsXLHSInRHSPart = true; | ||||
9755 | } else { | ||||
9756 | ErrorFound = NotAnUnaryIncDecExpression; | ||||
9757 | ErrorLoc = AtomicUnaryOp->getExprLoc(); | ||||
9758 | ErrorRange = AtomicUnaryOp->getSourceRange(); | ||||
9759 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); | ||||
9760 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||
9761 | } | ||||
9762 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
9763 | ErrorFound = NotABinaryOrUnaryExpression; | ||||
9764 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); | ||||
9765 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); | ||||
9766 | } | ||||
9767 | } else { | ||||
9768 | ErrorFound = NotAScalarType; | ||||
9769 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); | ||||
9770 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
9771 | } | ||||
9772 | } else { | ||||
9773 | ErrorFound = NotAnExpression; | ||||
9774 | NoteLoc = ErrorLoc = S->getBeginLoc(); | ||||
9775 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
9776 | } | ||||
9777 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | ||||
9778 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | ||||
9779 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | ||||
9780 | return true; | ||||
9781 | } | ||||
9782 | if (SemaRef.CurContext->isDependentContext()) | ||||
9783 | E = X = UpdateExpr = nullptr; | ||||
9784 | if (ErrorFound == NoError && E && X) { | ||||
9785 | // Build an update expression of form 'OpaqueValueExpr(x) binop | ||||
9786 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop | ||||
9787 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. | ||||
9788 | auto *OVEX = new (SemaRef.getASTContext()) | ||||
9789 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_RValue); | ||||
9790 | auto *OVEExpr = new (SemaRef.getASTContext()) | ||||
9791 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_RValue); | ||||
9792 | ExprResult Update = | ||||
9793 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, | ||||
9794 | IsXLHSInRHSPart ? OVEExpr : OVEX); | ||||
9795 | if (Update.isInvalid()) | ||||
9796 | return true; | ||||
9797 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), | ||||
9798 | Sema::AA_Casting); | ||||
9799 | if (Update.isInvalid()) | ||||
9800 | return true; | ||||
9801 | UpdateExpr = Update.get(); | ||||
9802 | } | ||||
9803 | return ErrorFound != NoError; | ||||
9804 | } | ||||
9805 | |||||
9806 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, | ||||
9807 | Stmt *AStmt, | ||||
9808 | SourceLocation StartLoc, | ||||
9809 | SourceLocation EndLoc) { | ||||
9810 | // Register location of the first atomic directive. | ||||
9811 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addAtomicDirectiveLoc(StartLoc); | ||||
9812 | if (!AStmt) | ||||
9813 | return StmtError(); | ||||
9814 | |||||
9815 | // 1.2.2 OpenMP Language Terminology | ||||
9816 | // Structured block - An executable statement with a single entry at the | ||||
9817 | // top and a single exit at the bottom. | ||||
9818 | // The point of exit cannot be a branch out of the structured block. | ||||
9819 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9820 | OpenMPClauseKind AtomicKind = OMPC_unknown; | ||||
9821 | SourceLocation AtomicKindLoc; | ||||
9822 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | ||||
9823 | SourceLocation MemOrderLoc; | ||||
9824 | for (const OMPClause *C : Clauses) { | ||||
9825 | if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || | ||||
9826 | C->getClauseKind() == OMPC_update || | ||||
9827 | C->getClauseKind() == OMPC_capture) { | ||||
9828 | if (AtomicKind != OMPC_unknown) { | ||||
9829 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) | ||||
9830 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||
9831 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) | ||||
9832 | << getOpenMPClauseName(AtomicKind); | ||||
9833 | } else { | ||||
9834 | AtomicKind = C->getClauseKind(); | ||||
9835 | AtomicKindLoc = C->getBeginLoc(); | ||||
9836 | } | ||||
9837 | } | ||||
9838 | if (C->getClauseKind() == OMPC_seq_cst || | ||||
9839 | C->getClauseKind() == OMPC_acq_rel || | ||||
9840 | C->getClauseKind() == OMPC_acquire || | ||||
9841 | C->getClauseKind() == OMPC_release || | ||||
9842 | C->getClauseKind() == OMPC_relaxed) { | ||||
9843 | if (MemOrderKind != OMPC_unknown) { | ||||
9844 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | ||||
9845 | << getOpenMPDirectiveName(OMPD_atomic) << 0 | ||||
9846 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||
9847 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||
9848 | << getOpenMPClauseName(MemOrderKind); | ||||
9849 | } else { | ||||
9850 | MemOrderKind = C->getClauseKind(); | ||||
9851 | MemOrderLoc = C->getBeginLoc(); | ||||
9852 | } | ||||
9853 | } | ||||
9854 | } | ||||
9855 | // OpenMP 5.0, 2.17.7 atomic Construct, Restrictions | ||||
9856 | // If atomic-clause is read then memory-order-clause must not be acq_rel or | ||||
9857 | // release. | ||||
9858 | // If atomic-clause is write then memory-order-clause must not be acq_rel or | ||||
9859 | // acquire. | ||||
9860 | // If atomic-clause is update or not present then memory-order-clause must not | ||||
9861 | // be acq_rel or acquire. | ||||
9862 | if ((AtomicKind == OMPC_read && | ||||
9863 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_release)) || | ||||
9864 | ((AtomicKind == OMPC_write || AtomicKind == OMPC_update || | ||||
9865 | AtomicKind == OMPC_unknown) && | ||||
9866 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_acquire))) { | ||||
9867 | SourceLocation Loc = AtomicKindLoc; | ||||
9868 | if (AtomicKind == OMPC_unknown) | ||||
9869 | Loc = StartLoc; | ||||
9870 | Diag(Loc, diag::err_omp_atomic_incompatible_mem_order_clause) | ||||
9871 | << getOpenMPClauseName(AtomicKind) | ||||
9872 | << (AtomicKind == OMPC_unknown ? 1 : 0) | ||||
9873 | << getOpenMPClauseName(MemOrderKind); | ||||
9874 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||
9875 | << getOpenMPClauseName(MemOrderKind); | ||||
9876 | } | ||||
9877 | |||||
9878 | Stmt *Body = AStmt; | ||||
9879 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) | ||||
9880 | Body = EWC->getSubExpr(); | ||||
9881 | |||||
9882 | Expr *X = nullptr; | ||||
9883 | Expr *V = nullptr; | ||||
9884 | Expr *E = nullptr; | ||||
9885 | Expr *UE = nullptr; | ||||
9886 | bool IsXLHSInRHSPart = false; | ||||
9887 | bool IsPostfixUpdate = false; | ||||
9888 | // OpenMP [2.12.6, atomic Construct] | ||||
9889 | // In the next expressions: | ||||
9890 | // * x and v (as applicable) are both l-value expressions with scalar type. | ||||
9891 | // * During the execution of an atomic region, multiple syntactic | ||||
9892 | // occurrences of x must designate the same storage location. | ||||
9893 | // * Neither of v and expr (as applicable) may access the storage location | ||||
9894 | // designated by x. | ||||
9895 | // * Neither of x and expr (as applicable) may access the storage location | ||||
9896 | // designated by v. | ||||
9897 | // * expr is an expression with scalar type. | ||||
9898 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. | ||||
9899 | // * binop, binop=, ++, and -- are not overloaded operators. | ||||
9900 | // * The expression x binop expr must be numerically equivalent to x binop | ||||
9901 | // (expr). This requirement is satisfied if the operators in expr have | ||||
9902 | // precedence greater than binop, or by using parentheses around expr or | ||||
9903 | // subexpressions of expr. | ||||
9904 | // * The expression expr binop x must be numerically equivalent to (expr) | ||||
9905 | // binop x. This requirement is satisfied if the operators in expr have | ||||
9906 | // precedence equal to or greater than binop, or by using parentheses around | ||||
9907 | // expr or subexpressions of expr. | ||||
9908 | // * For forms that allow multiple occurrences of x, the number of times | ||||
9909 | // that x is evaluated is unspecified. | ||||
9910 | if (AtomicKind == OMPC_read) { | ||||
9911 | enum { | ||||
9912 | NotAnExpression, | ||||
9913 | NotAnAssignmentOp, | ||||
9914 | NotAScalarType, | ||||
9915 | NotAnLValue, | ||||
9916 | NoError | ||||
9917 | } ErrorFound = NoError; | ||||
9918 | SourceLocation ErrorLoc, NoteLoc; | ||||
9919 | SourceRange ErrorRange, NoteRange; | ||||
9920 | // If clause is read: | ||||
9921 | // v = x; | ||||
9922 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||
9923 | const auto *AtomicBinOp = | ||||
9924 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||
9925 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||
9926 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | ||||
9927 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); | ||||
9928 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | ||||
9929 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { | ||||
9930 | if (!X->isLValue() || !V->isLValue()) { | ||||
9931 | const Expr *NotLValueExpr = X->isLValue() ? V : X; | ||||
9932 | ErrorFound = NotAnLValue; | ||||
9933 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9934 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9935 | NoteLoc = NotLValueExpr->getExprLoc(); | ||||
9936 | NoteRange = NotLValueExpr->getSourceRange(); | ||||
9937 | } | ||||
9938 | } else if (!X->isInstantiationDependent() || | ||||
9939 | !V->isInstantiationDependent()) { | ||||
9940 | const Expr *NotScalarExpr = | ||||
9941 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | ||||
9942 | ? V | ||||
9943 | : X; | ||||
9944 | ErrorFound = NotAScalarType; | ||||
9945 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9946 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9947 | NoteLoc = NotScalarExpr->getExprLoc(); | ||||
9948 | NoteRange = NotScalarExpr->getSourceRange(); | ||||
9949 | } | ||||
9950 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
9951 | ErrorFound = NotAnAssignmentOp; | ||||
9952 | ErrorLoc = AtomicBody->getExprLoc(); | ||||
9953 | ErrorRange = AtomicBody->getSourceRange(); | ||||
9954 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||
9955 | : AtomicBody->getExprLoc(); | ||||
9956 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||
9957 | : AtomicBody->getSourceRange(); | ||||
9958 | } | ||||
9959 | } else { | ||||
9960 | ErrorFound = NotAnExpression; | ||||
9961 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
9962 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
9963 | } | ||||
9964 | if (ErrorFound != NoError) { | ||||
9965 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) | ||||
9966 | << ErrorRange; | ||||
9967 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | ||||
9968 | << NoteRange; | ||||
9969 | return StmtError(); | ||||
9970 | } | ||||
9971 | if (CurContext->isDependentContext()) | ||||
9972 | V = X = nullptr; | ||||
9973 | } else if (AtomicKind == OMPC_write) { | ||||
9974 | enum { | ||||
9975 | NotAnExpression, | ||||
9976 | NotAnAssignmentOp, | ||||
9977 | NotAScalarType, | ||||
9978 | NotAnLValue, | ||||
9979 | NoError | ||||
9980 | } ErrorFound = NoError; | ||||
9981 | SourceLocation ErrorLoc, NoteLoc; | ||||
9982 | SourceRange ErrorRange, NoteRange; | ||||
9983 | // If clause is write: | ||||
9984 | // x = expr; | ||||
9985 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||
9986 | const auto *AtomicBinOp = | ||||
9987 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||
9988 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||
9989 | X = AtomicBinOp->getLHS(); | ||||
9990 | E = AtomicBinOp->getRHS(); | ||||
9991 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | ||||
9992 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { | ||||
9993 | if (!X->isLValue()) { | ||||
9994 | ErrorFound = NotAnLValue; | ||||
9995 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9996 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9997 | NoteLoc = X->getExprLoc(); | ||||
9998 | NoteRange = X->getSourceRange(); | ||||
9999 | } | ||||
10000 | } else if (!X->isInstantiationDependent() || | ||||
10001 | !E->isInstantiationDependent()) { | ||||
10002 | const Expr *NotScalarExpr = | ||||
10003 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | ||||
10004 | ? E | ||||
10005 | : X; | ||||
10006 | ErrorFound = NotAScalarType; | ||||
10007 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
10008 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
10009 | NoteLoc = NotScalarExpr->getExprLoc(); | ||||
10010 | NoteRange = NotScalarExpr->getSourceRange(); | ||||
10011 | } | ||||
10012 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
10013 | ErrorFound = NotAnAssignmentOp; | ||||
10014 | ErrorLoc = AtomicBody->getExprLoc(); | ||||
10015 | ErrorRange = AtomicBody->getSourceRange(); | ||||
10016 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||
10017 | : AtomicBody->getExprLoc(); | ||||
10018 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||
10019 | : AtomicBody->getSourceRange(); | ||||
10020 | } | ||||
10021 | } else { | ||||
10022 | ErrorFound = NotAnExpression; | ||||
10023 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
10024 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
10025 | } | ||||
10026 | if (ErrorFound != NoError) { | ||||
10027 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) | ||||
10028 | << ErrorRange; | ||||
10029 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | ||||
10030 | << NoteRange; | ||||
10031 | return StmtError(); | ||||
10032 | } | ||||
10033 | if (CurContext->isDependentContext()) | ||||
10034 | E = X = nullptr; | ||||
10035 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { | ||||
10036 | // If clause is update: | ||||
10037 | // x++; | ||||
10038 | // x--; | ||||
10039 | // ++x; | ||||
10040 | // --x; | ||||
10041 | // x binop= expr; | ||||
10042 | // x = x binop expr; | ||||
10043 | // x = expr binop x; | ||||
10044 | OpenMPAtomicUpdateChecker Checker(*this); | ||||
10045 | if (Checker.checkStatement( | ||||
10046 | Body, (AtomicKind == OMPC_update) | ||||
10047 | ? diag::err_omp_atomic_update_not_expression_statement | ||||
10048 | : diag::err_omp_atomic_not_expression_statement, | ||||
10049 | diag::note_omp_atomic_update)) | ||||
10050 | return StmtError(); | ||||
10051 | if (!CurContext->isDependentContext()) { | ||||
10052 | E = Checker.getExpr(); | ||||
10053 | X = Checker.getX(); | ||||
10054 | UE = Checker.getUpdateExpr(); | ||||
10055 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
10056 | } | ||||
10057 | } else if (AtomicKind == OMPC_capture) { | ||||
10058 | enum { | ||||
10059 | NotAnAssignmentOp, | ||||
10060 | NotACompoundStatement, | ||||
10061 | NotTwoSubstatements, | ||||
10062 | NotASpecificExpression, | ||||
10063 | NoError | ||||
10064 | } ErrorFound = NoError; | ||||
10065 | SourceLocation ErrorLoc, NoteLoc; | ||||
10066 | SourceRange ErrorRange, NoteRange; | ||||
10067 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||
10068 | // If clause is a capture: | ||||
10069 | // v = x++; | ||||
10070 | // v = x--; | ||||
10071 | // v = ++x; | ||||
10072 | // v = --x; | ||||
10073 | // v = x binop= expr; | ||||
10074 | // v = x = x binop expr; | ||||
10075 | // v = x = expr binop x; | ||||
10076 | const auto *AtomicBinOp = | ||||
10077 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||
10078 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||
10079 | V = AtomicBinOp->getLHS(); | ||||
10080 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | ||||
10081 | OpenMPAtomicUpdateChecker Checker(*this); | ||||
10082 | if (Checker.checkStatement( | ||||
10083 | Body, diag::err_omp_atomic_capture_not_expression_statement, | ||||
10084 | diag::note_omp_atomic_update)) | ||||
10085 | return StmtError(); | ||||
10086 | E = Checker.getExpr(); | ||||
10087 | X = Checker.getX(); | ||||
10088 | UE = Checker.getUpdateExpr(); | ||||
10089 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
10090 | IsPostfixUpdate = Checker.isPostfixUpdate(); | ||||
10091 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
10092 | ErrorLoc = AtomicBody->getExprLoc(); | ||||
10093 | ErrorRange = AtomicBody->getSourceRange(); | ||||
10094 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||
10095 | : AtomicBody->getExprLoc(); | ||||
10096 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||
10097 | : AtomicBody->getSourceRange(); | ||||
10098 | ErrorFound = NotAnAssignmentOp; | ||||
10099 | } | ||||
10100 | if (ErrorFound != NoError) { | ||||
10101 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) | ||||
10102 | << ErrorRange; | ||||
10103 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | ||||
10104 | return StmtError(); | ||||
10105 | } | ||||
10106 | if (CurContext->isDependentContext()) | ||||
10107 | UE = V = E = X = nullptr; | ||||
10108 | } else { | ||||
10109 | // If clause is a capture: | ||||
10110 | // { v = x; x = expr; } | ||||
10111 | // { v = x; x++; } | ||||
10112 | // { v = x; x--; } | ||||
10113 | // { v = x; ++x; } | ||||
10114 | // { v = x; --x; } | ||||
10115 | // { v = x; x binop= expr; } | ||||
10116 | // { v = x; x = x binop expr; } | ||||
10117 | // { v = x; x = expr binop x; } | ||||
10118 | // { x++; v = x; } | ||||
10119 | // { x--; v = x; } | ||||
10120 | // { ++x; v = x; } | ||||
10121 | // { --x; v = x; } | ||||
10122 | // { x binop= expr; v = x; } | ||||
10123 | // { x = x binop expr; v = x; } | ||||
10124 | // { x = expr binop x; v = x; } | ||||
10125 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { | ||||
10126 | // Check that this is { expr1; expr2; } | ||||
10127 | if (CS->size() == 2) { | ||||
10128 | Stmt *First = CS->body_front(); | ||||
10129 | Stmt *Second = CS->body_back(); | ||||
10130 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) | ||||
10131 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); | ||||
10132 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) | ||||
10133 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); | ||||
10134 | // Need to find what subexpression is 'v' and what is 'x'. | ||||
10135 | OpenMPAtomicUpdateChecker Checker(*this); | ||||
10136 | bool IsUpdateExprFound = !Checker.checkStatement(Second); | ||||
10137 | BinaryOperator *BinOp = nullptr; | ||||
10138 | if (IsUpdateExprFound) { | ||||
10139 | BinOp = dyn_cast<BinaryOperator>(First); | ||||
10140 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | ||||
10141 | } | ||||
10142 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | ||||
10143 | // { v = x; x++; } | ||||
10144 | // { v = x; x--; } | ||||
10145 | // { v = x; ++x; } | ||||
10146 | // { v = x; --x; } | ||||
10147 | // { v = x; x binop= expr; } | ||||
10148 | // { v = x; x = x binop expr; } | ||||
10149 | // { v = x; x = expr binop x; } | ||||
10150 | // Check that the first expression has form v = x. | ||||
10151 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | ||||
10152 | llvm::FoldingSetNodeID XId, PossibleXId; | ||||
10153 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | ||||
10154 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | ||||
10155 | IsUpdateExprFound = XId == PossibleXId; | ||||
10156 | if (IsUpdateExprFound) { | ||||
10157 | V = BinOp->getLHS(); | ||||
10158 | X = Checker.getX(); | ||||
10159 | E = Checker.getExpr(); | ||||
10160 | UE = Checker.getUpdateExpr(); | ||||
10161 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
10162 | IsPostfixUpdate = true; | ||||
10163 | } | ||||
10164 | } | ||||
10165 | if (!IsUpdateExprFound) { | ||||
10166 | IsUpdateExprFound = !Checker.checkStatement(First); | ||||
10167 | BinOp = nullptr; | ||||
10168 | if (IsUpdateExprFound) { | ||||
10169 | BinOp = dyn_cast<BinaryOperator>(Second); | ||||
10170 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | ||||
10171 | } | ||||
10172 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | ||||
10173 | // { x++; v = x; } | ||||
10174 | // { x--; v = x; } | ||||
10175 | // { ++x; v = x; } | ||||
10176 | // { --x; v = x; } | ||||
10177 | // { x binop= expr; v = x; } | ||||
10178 | // { x = x binop expr; v = x; } | ||||
10179 | // { x = expr binop x; v = x; } | ||||
10180 | // Check that the second expression has form v = x. | ||||
10181 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | ||||
10182 | llvm::FoldingSetNodeID XId, PossibleXId; | ||||
10183 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | ||||
10184 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | ||||
10185 | IsUpdateExprFound = XId == PossibleXId; | ||||
10186 | if (IsUpdateExprFound) { | ||||
10187 | V = BinOp->getLHS(); | ||||
10188 | X = Checker.getX(); | ||||
10189 | E = Checker.getExpr(); | ||||
10190 | UE = Checker.getUpdateExpr(); | ||||
10191 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
10192 | IsPostfixUpdate = false; | ||||
10193 | } | ||||
10194 | } | ||||
10195 | } | ||||
10196 | if (!IsUpdateExprFound) { | ||||
10197 | // { v = x; x = expr; } | ||||
10198 | auto *FirstExpr = dyn_cast<Expr>(First); | ||||
10199 | auto *SecondExpr = dyn_cast<Expr>(Second); | ||||
10200 | if (!FirstExpr || !SecondExpr || | ||||
10201 | !(FirstExpr->isInstantiationDependent() || | ||||
10202 | SecondExpr->isInstantiationDependent())) { | ||||
10203 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); | ||||
10204 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { | ||||
10205 | ErrorFound = NotAnAssignmentOp; | ||||
10206 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() | ||||
10207 | : First->getBeginLoc(); | ||||
10208 | NoteRange = ErrorRange = FirstBinOp | ||||
10209 | ? FirstBinOp->getSourceRange() | ||||
10210 | : SourceRange(ErrorLoc, ErrorLoc); | ||||
10211 | } else { | ||||
10212 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); | ||||
10213 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { | ||||
10214 | ErrorFound = NotAnAssignmentOp; | ||||
10215 | NoteLoc = ErrorLoc = SecondBinOp | ||||
10216 | ? SecondBinOp->getOperatorLoc() | ||||
10217 | : Second->getBeginLoc(); | ||||
10218 | NoteRange = ErrorRange = | ||||
10219 | SecondBinOp ? SecondBinOp->getSourceRange() | ||||
10220 | : SourceRange(ErrorLoc, ErrorLoc); | ||||
10221 | } else { | ||||
10222 | Expr *PossibleXRHSInFirst = | ||||
10223 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); | ||||
10224 | Expr *PossibleXLHSInSecond = | ||||
10225 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); | ||||
10226 | llvm::FoldingSetNodeID X1Id, X2Id; | ||||
10227 | PossibleXRHSInFirst->Profile(X1Id, Context, | ||||
10228 | /*Canonical=*/true); | ||||
10229 | PossibleXLHSInSecond->Profile(X2Id, Context, | ||||
10230 | /*Canonical=*/true); | ||||
10231 | IsUpdateExprFound = X1Id == X2Id; | ||||
10232 | if (IsUpdateExprFound) { | ||||
10233 | V = FirstBinOp->getLHS(); | ||||
10234 | X = SecondBinOp->getLHS(); | ||||
10235 | E = SecondBinOp->getRHS(); | ||||
10236 | UE = nullptr; | ||||
10237 | IsXLHSInRHSPart = false; | ||||
10238 | IsPostfixUpdate = true; | ||||
10239 | } else { | ||||
10240 | ErrorFound = NotASpecificExpression; | ||||
10241 | ErrorLoc = FirstBinOp->getExprLoc(); | ||||
10242 | ErrorRange = FirstBinOp->getSourceRange(); | ||||
10243 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); | ||||
10244 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); | ||||
10245 | } | ||||
10246 | } | ||||
10247 | } | ||||
10248 | } | ||||
10249 | } | ||||
10250 | } else { | ||||
10251 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
10252 | NoteRange = ErrorRange = | ||||
10253 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | ||||
10254 | ErrorFound = NotTwoSubstatements; | ||||
10255 | } | ||||
10256 | } else { | ||||
10257 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
10258 | NoteRange = ErrorRange = | ||||
10259 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | ||||
10260 | ErrorFound = NotACompoundStatement; | ||||
10261 | } | ||||
10262 | if (ErrorFound != NoError) { | ||||
10263 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) | ||||
10264 | << ErrorRange; | ||||
10265 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | ||||
10266 | return StmtError(); | ||||
10267 | } | ||||
10268 | if (CurContext->isDependentContext()) | ||||
10269 | UE = V = E = X = nullptr; | ||||
10270 | } | ||||
10271 | } | ||||
10272 | |||||
10273 | setFunctionHasBranchProtectedScope(); | ||||
10274 | |||||
10275 | return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
10276 | X, V, E, UE, IsXLHSInRHSPart, | ||||
10277 | IsPostfixUpdate); | ||||
10278 | } | ||||
10279 | |||||
10280 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, | ||||
10281 | Stmt *AStmt, | ||||
10282 | SourceLocation StartLoc, | ||||
10283 | SourceLocation EndLoc) { | ||||
10284 | if (!AStmt) | ||||
10285 | return StmtError(); | ||||
10286 | |||||
10287 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10288 | // 1.2.2 OpenMP Language Terminology | ||||
10289 | // Structured block - An executable statement with a single entry at the | ||||
10290 | // top and a single exit at the bottom. | ||||
10291 | // The point of exit cannot be a branch out of the structured block. | ||||
10292 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10293 | CS->getCapturedDecl()->setNothrow(); | ||||
10294 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); | ||||
10295 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10296 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10297 | // 1.2.2 OpenMP Language Terminology | ||||
10298 | // Structured block - An executable statement with a single entry at the | ||||
10299 | // top and a single exit at the bottom. | ||||
10300 | // The point of exit cannot be a branch out of the structured block. | ||||
10301 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10302 | CS->getCapturedDecl()->setNothrow(); | ||||
10303 | } | ||||
10304 | |||||
10305 | // OpenMP [2.16, Nesting of Regions] | ||||
10306 | // If specified, a teams construct must be contained within a target | ||||
10307 | // construct. That target construct must contain no statements or directives | ||||
10308 | // outside of the teams construct. | ||||
10309 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { | ||||
10310 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); | ||||
10311 | bool OMPTeamsFound = true; | ||||
10312 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { | ||||
10313 | auto I = CS->body_begin(); | ||||
10314 | while (I != CS->body_end()) { | ||||
10315 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); | ||||
10316 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || | ||||
10317 | OMPTeamsFound) { | ||||
10318 | |||||
10319 | OMPTeamsFound = false; | ||||
10320 | break; | ||||
10321 | } | ||||
10322 | ++I; | ||||
10323 | } | ||||
10324 | assert(I != CS->body_end() && "Not found statement")((I != CS->body_end() && "Not found statement") ? static_cast <void> (0) : __assert_fail ("I != CS->body_end() && \"Not found statement\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10324, __PRETTY_FUNCTION__)); | ||||
10325 | S = *I; | ||||
10326 | } else { | ||||
10327 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); | ||||
10328 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); | ||||
10329 | } | ||||
10330 | if (!OMPTeamsFound) { | ||||
10331 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); | ||||
10332 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), | ||||
10333 | diag::note_omp_nested_teams_construct_here); | ||||
10334 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) | ||||
10335 | << isa<OMPExecutableDirective>(S); | ||||
10336 | return StmtError(); | ||||
10337 | } | ||||
10338 | } | ||||
10339 | |||||
10340 | setFunctionHasBranchProtectedScope(); | ||||
10341 | |||||
10342 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
10343 | } | ||||
10344 | |||||
10345 | StmtResult | ||||
10346 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, | ||||
10347 | Stmt *AStmt, SourceLocation StartLoc, | ||||
10348 | SourceLocation EndLoc) { | ||||
10349 | if (!AStmt) | ||||
10350 | return StmtError(); | ||||
10351 | |||||
10352 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10353 | // 1.2.2 OpenMP Language Terminology | ||||
10354 | // Structured block - An executable statement with a single entry at the | ||||
10355 | // top and a single exit at the bottom. | ||||
10356 | // The point of exit cannot be a branch out of the structured block. | ||||
10357 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10358 | CS->getCapturedDecl()->setNothrow(); | ||||
10359 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); | ||||
10360 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10361 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10362 | // 1.2.2 OpenMP Language Terminology | ||||
10363 | // Structured block - An executable statement with a single entry at the | ||||
10364 | // top and a single exit at the bottom. | ||||
10365 | // The point of exit cannot be a branch out of the structured block. | ||||
10366 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10367 | CS->getCapturedDecl()->setNothrow(); | ||||
10368 | } | ||||
10369 | |||||
10370 | setFunctionHasBranchProtectedScope(); | ||||
10371 | |||||
10372 | return OMPTargetParallelDirective::Create( | ||||
10373 | Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
10374 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10375 | } | ||||
10376 | |||||
10377 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( | ||||
10378 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10379 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10380 | if (!AStmt) | ||||
10381 | return StmtError(); | ||||
10382 | |||||
10383 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10384 | // 1.2.2 OpenMP Language Terminology | ||||
10385 | // Structured block - An executable statement with a single entry at the | ||||
10386 | // top and a single exit at the bottom. | ||||
10387 | // The point of exit cannot be a branch out of the structured block. | ||||
10388 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10389 | CS->getCapturedDecl()->setNothrow(); | ||||
10390 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | ||||
10391 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10392 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10393 | // 1.2.2 OpenMP Language Terminology | ||||
10394 | // Structured block - An executable statement with a single entry at the | ||||
10395 | // top and a single exit at the bottom. | ||||
10396 | // The point of exit cannot be a branch out of the structured block. | ||||
10397 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10398 | CS->getCapturedDecl()->setNothrow(); | ||||
10399 | } | ||||
10400 | |||||
10401 | OMPLoopDirective::HelperExprs B; | ||||
10402 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10403 | // define the nested loops number. | ||||
10404 | unsigned NestedLoopCount = | ||||
10405 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), | ||||
10406 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10407 | VarsWithImplicitDSA, B); | ||||
10408 | if (NestedLoopCount == 0) | ||||
10409 | return StmtError(); | ||||
10410 | |||||
10411 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10412, __PRETTY_FUNCTION__)) | ||||
10412 | "omp target parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10412, __PRETTY_FUNCTION__)); | ||||
10413 | |||||
10414 | if (!CurContext->isDependentContext()) { | ||||
10415 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10416 | for (OMPClause *C : Clauses) { | ||||
10417 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10418 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10419 | B.NumIterations, *this, CurScope, | ||||
10420 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10421 | return StmtError(); | ||||
10422 | } | ||||
10423 | } | ||||
10424 | |||||
10425 | setFunctionHasBranchProtectedScope(); | ||||
10426 | return OMPTargetParallelForDirective::Create( | ||||
10427 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
10428 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10429 | } | ||||
10430 | |||||
10431 | /// Check for existence of a map clause in the list of clauses. | ||||
10432 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, | ||||
10433 | const OpenMPClauseKind K) { | ||||
10434 | return llvm::any_of( | ||||
10435 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); | ||||
10436 | } | ||||
10437 | |||||
10438 | template <typename... Params> | ||||
10439 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, | ||||
10440 | const Params... ClauseTypes) { | ||||
10441 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); | ||||
10442 | } | ||||
10443 | |||||
10444 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, | ||||
10445 | Stmt *AStmt, | ||||
10446 | SourceLocation StartLoc, | ||||
10447 | SourceLocation EndLoc) { | ||||
10448 | if (!AStmt) | ||||
10449 | return StmtError(); | ||||
10450 | |||||
10451 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10451, __PRETTY_FUNCTION__)); | ||||
10452 | |||||
10453 | // OpenMP [2.12.2, target data Construct, Restrictions] | ||||
10454 | // At least one map, use_device_addr or use_device_ptr clause must appear on | ||||
10455 | // the directive. | ||||
10456 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr) && | ||||
10457 | (LangOpts.OpenMP < 50 || !hasClauses(Clauses, OMPC_use_device_addr))) { | ||||
10458 | StringRef Expected; | ||||
10459 | if (LangOpts.OpenMP < 50) | ||||
10460 | Expected = "'map' or 'use_device_ptr'"; | ||||
10461 | else | ||||
10462 | Expected = "'map', 'use_device_ptr', or 'use_device_addr'"; | ||||
10463 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||
10464 | << Expected << getOpenMPDirectiveName(OMPD_target_data); | ||||
10465 | return StmtError(); | ||||
10466 | } | ||||
10467 | |||||
10468 | setFunctionHasBranchProtectedScope(); | ||||
10469 | |||||
10470 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
10471 | AStmt); | ||||
10472 | } | ||||
10473 | |||||
10474 | StmtResult | ||||
10475 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, | ||||
10476 | SourceLocation StartLoc, | ||||
10477 | SourceLocation EndLoc, Stmt *AStmt) { | ||||
10478 | if (!AStmt) | ||||
10479 | return StmtError(); | ||||
10480 | |||||
10481 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10482 | // 1.2.2 OpenMP Language Terminology | ||||
10483 | // Structured block - An executable statement with a single entry at the | ||||
10484 | // top and a single exit at the bottom. | ||||
10485 | // The point of exit cannot be a branch out of the structured block. | ||||
10486 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10487 | CS->getCapturedDecl()->setNothrow(); | ||||
10488 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); | ||||
10489 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10490 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10491 | // 1.2.2 OpenMP Language Terminology | ||||
10492 | // Structured block - An executable statement with a single entry at the | ||||
10493 | // top and a single exit at the bottom. | ||||
10494 | // The point of exit cannot be a branch out of the structured block. | ||||
10495 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10496 | CS->getCapturedDecl()->setNothrow(); | ||||
10497 | } | ||||
10498 | |||||
10499 | // OpenMP [2.10.2, Restrictions, p. 99] | ||||
10500 | // At least one map clause must appear on the directive. | ||||
10501 | if (!hasClauses(Clauses, OMPC_map)) { | ||||
10502 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||
10503 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); | ||||
10504 | return StmtError(); | ||||
10505 | } | ||||
10506 | |||||
10507 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
10508 | AStmt); | ||||
10509 | } | ||||
10510 | |||||
10511 | StmtResult | ||||
10512 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, | ||||
10513 | SourceLocation StartLoc, | ||||
10514 | SourceLocation EndLoc, Stmt *AStmt) { | ||||
10515 | if (!AStmt) | ||||
10516 | return StmtError(); | ||||
10517 | |||||
10518 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10519 | // 1.2.2 OpenMP Language Terminology | ||||
10520 | // Structured block - An executable statement with a single entry at the | ||||
10521 | // top and a single exit at the bottom. | ||||
10522 | // The point of exit cannot be a branch out of the structured block. | ||||
10523 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10524 | CS->getCapturedDecl()->setNothrow(); | ||||
10525 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); | ||||
10526 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10527 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10528 | // 1.2.2 OpenMP Language Terminology | ||||
10529 | // Structured block - An executable statement with a single entry at the | ||||
10530 | // top and a single exit at the bottom. | ||||
10531 | // The point of exit cannot be a branch out of the structured block. | ||||
10532 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10533 | CS->getCapturedDecl()->setNothrow(); | ||||
10534 | } | ||||
10535 | |||||
10536 | // OpenMP [2.10.3, Restrictions, p. 102] | ||||
10537 | // At least one map clause must appear on the directive. | ||||
10538 | if (!hasClauses(Clauses, OMPC_map)) { | ||||
10539 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||
10540 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); | ||||
10541 | return StmtError(); | ||||
10542 | } | ||||
10543 | |||||
10544 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
10545 | AStmt); | ||||
10546 | } | ||||
10547 | |||||
10548 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, | ||||
10549 | SourceLocation StartLoc, | ||||
10550 | SourceLocation EndLoc, | ||||
10551 | Stmt *AStmt) { | ||||
10552 | if (!AStmt) | ||||
10553 | return StmtError(); | ||||
10554 | |||||
10555 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10556 | // 1.2.2 OpenMP Language Terminology | ||||
10557 | // Structured block - An executable statement with a single entry at the | ||||
10558 | // top and a single exit at the bottom. | ||||
10559 | // The point of exit cannot be a branch out of the structured block. | ||||
10560 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10561 | CS->getCapturedDecl()->setNothrow(); | ||||
10562 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); | ||||
10563 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10564 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10565 | // 1.2.2 OpenMP Language Terminology | ||||
10566 | // Structured block - An executable statement with a single entry at the | ||||
10567 | // top and a single exit at the bottom. | ||||
10568 | // The point of exit cannot be a branch out of the structured block. | ||||
10569 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10570 | CS->getCapturedDecl()->setNothrow(); | ||||
10571 | } | ||||
10572 | |||||
10573 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { | ||||
10574 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); | ||||
10575 | return StmtError(); | ||||
10576 | } | ||||
10577 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
10578 | AStmt); | ||||
10579 | } | ||||
10580 | |||||
10581 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, | ||||
10582 | Stmt *AStmt, SourceLocation StartLoc, | ||||
10583 | SourceLocation EndLoc) { | ||||
10584 | if (!AStmt) | ||||
10585 | return StmtError(); | ||||
10586 | |||||
10587 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10588 | // 1.2.2 OpenMP Language Terminology | ||||
10589 | // Structured block - An executable statement with a single entry at the | ||||
10590 | // top and a single exit at the bottom. | ||||
10591 | // The point of exit cannot be a branch out of the structured block. | ||||
10592 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10593 | CS->getCapturedDecl()->setNothrow(); | ||||
10594 | |||||
10595 | setFunctionHasBranchProtectedScope(); | ||||
10596 | |||||
10597 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
10598 | |||||
10599 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
10600 | } | ||||
10601 | |||||
10602 | StmtResult | ||||
10603 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, | ||||
10604 | SourceLocation EndLoc, | ||||
10605 | OpenMPDirectiveKind CancelRegion) { | ||||
10606 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | ||||
10607 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; | ||||
10608 | return StmtError(); | ||||
10609 | } | ||||
10610 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | ||||
10611 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; | ||||
10612 | return StmtError(); | ||||
10613 | } | ||||
10614 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, | ||||
10615 | CancelRegion); | ||||
10616 | } | ||||
10617 | |||||
10618 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, | ||||
10619 | SourceLocation StartLoc, | ||||
10620 | SourceLocation EndLoc, | ||||
10621 | OpenMPDirectiveKind CancelRegion) { | ||||
10622 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | ||||
10623 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; | ||||
10624 | return StmtError(); | ||||
10625 | } | ||||
10626 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | ||||
10627 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; | ||||
10628 | return StmtError(); | ||||
10629 | } | ||||
10630 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); | ||||
10631 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
10632 | CancelRegion); | ||||
10633 | } | ||||
10634 | |||||
10635 | static bool checkGrainsizeNumTasksClauses(Sema &S, | ||||
10636 | ArrayRef<OMPClause *> Clauses) { | ||||
10637 | const OMPClause *PrevClause = nullptr; | ||||
10638 | bool ErrorFound = false; | ||||
10639 | for (const OMPClause *C : Clauses) { | ||||
10640 | if (C->getClauseKind() == OMPC_grainsize || | ||||
10641 | C->getClauseKind() == OMPC_num_tasks) { | ||||
10642 | if (!PrevClause) | ||||
10643 | PrevClause = C; | ||||
10644 | else if (PrevClause->getClauseKind() != C->getClauseKind()) { | ||||
10645 | S.Diag(C->getBeginLoc(), diag::err_omp_clauses_mutually_exclusive) | ||||
10646 | << getOpenMPClauseName(C->getClauseKind()) | ||||
10647 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||
10648 | S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_clause) | ||||
10649 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||
10650 | ErrorFound = true; | ||||
10651 | } | ||||
10652 | } | ||||
10653 | } | ||||
10654 | return ErrorFound; | ||||
10655 | } | ||||
10656 | |||||
10657 | static bool checkReductionClauseWithNogroup(Sema &S, | ||||
10658 | ArrayRef<OMPClause *> Clauses) { | ||||
10659 | const OMPClause *ReductionClause = nullptr; | ||||
10660 | const OMPClause *NogroupClause = nullptr; | ||||
10661 | for (const OMPClause *C : Clauses) { | ||||
10662 | if (C->getClauseKind() == OMPC_reduction) { | ||||
10663 | ReductionClause = C; | ||||
10664 | if (NogroupClause) | ||||
10665 | break; | ||||
10666 | continue; | ||||
10667 | } | ||||
10668 | if (C->getClauseKind() == OMPC_nogroup) { | ||||
10669 | NogroupClause = C; | ||||
10670 | if (ReductionClause) | ||||
10671 | break; | ||||
10672 | continue; | ||||
10673 | } | ||||
10674 | } | ||||
10675 | if (ReductionClause && NogroupClause) { | ||||
10676 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) | ||||
10677 | << SourceRange(NogroupClause->getBeginLoc(), | ||||
10678 | NogroupClause->getEndLoc()); | ||||
10679 | return true; | ||||
10680 | } | ||||
10681 | return false; | ||||
10682 | } | ||||
10683 | |||||
10684 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( | ||||
10685 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10686 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10687 | if (!AStmt) | ||||
10688 | return StmtError(); | ||||
10689 | |||||
10690 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10690, __PRETTY_FUNCTION__)); | ||||
10691 | OMPLoopDirective::HelperExprs B; | ||||
10692 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10693 | // define the nested loops number. | ||||
10694 | unsigned NestedLoopCount = | ||||
10695 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), | ||||
10696 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10697 | VarsWithImplicitDSA, B); | ||||
10698 | if (NestedLoopCount == 0) | ||||
10699 | return StmtError(); | ||||
10700 | |||||
10701 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10702, __PRETTY_FUNCTION__)) | ||||
10702 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10702, __PRETTY_FUNCTION__)); | ||||
10703 | |||||
10704 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10705 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10706 | // not appear on the same taskloop directive. | ||||
10707 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10708 | return StmtError(); | ||||
10709 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10710 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10711 | // clause must not be specified. | ||||
10712 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10713 | return StmtError(); | ||||
10714 | |||||
10715 | setFunctionHasBranchProtectedScope(); | ||||
10716 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, | ||||
10717 | NestedLoopCount, Clauses, AStmt, B, | ||||
10718 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10719 | } | ||||
10720 | |||||
10721 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( | ||||
10722 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10723 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10724 | if (!AStmt) | ||||
10725 | return StmtError(); | ||||
10726 | |||||
10727 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10727, __PRETTY_FUNCTION__)); | ||||
10728 | OMPLoopDirective::HelperExprs B; | ||||
10729 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10730 | // define the nested loops number. | ||||
10731 | unsigned NestedLoopCount = | ||||
10732 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||
10733 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10734 | VarsWithImplicitDSA, B); | ||||
10735 | if (NestedLoopCount == 0) | ||||
10736 | return StmtError(); | ||||
10737 | |||||
10738 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10739, __PRETTY_FUNCTION__)) | ||||
10739 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10739, __PRETTY_FUNCTION__)); | ||||
10740 | |||||
10741 | if (!CurContext->isDependentContext()) { | ||||
10742 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10743 | for (OMPClause *C : Clauses) { | ||||
10744 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10745 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10746 | B.NumIterations, *this, CurScope, | ||||
10747 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10748 | return StmtError(); | ||||
10749 | } | ||||
10750 | } | ||||
10751 | |||||
10752 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10753 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10754 | // not appear on the same taskloop directive. | ||||
10755 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10756 | return StmtError(); | ||||
10757 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10758 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10759 | // clause must not be specified. | ||||
10760 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10761 | return StmtError(); | ||||
10762 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10763 | return StmtError(); | ||||
10764 | |||||
10765 | setFunctionHasBranchProtectedScope(); | ||||
10766 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, | ||||
10767 | NestedLoopCount, Clauses, AStmt, B); | ||||
10768 | } | ||||
10769 | |||||
10770 | StmtResult Sema::ActOnOpenMPMasterTaskLoopDirective( | ||||
10771 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10772 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10773 | if (!AStmt) | ||||
10774 | return StmtError(); | ||||
10775 | |||||
10776 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10776, __PRETTY_FUNCTION__)); | ||||
10777 | OMPLoopDirective::HelperExprs B; | ||||
10778 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10779 | // define the nested loops number. | ||||
10780 | unsigned NestedLoopCount = | ||||
10781 | checkOpenMPLoop(OMPD_master_taskloop, getCollapseNumberExpr(Clauses), | ||||
10782 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10783 | VarsWithImplicitDSA, B); | ||||
10784 | if (NestedLoopCount == 0) | ||||
10785 | return StmtError(); | ||||
10786 | |||||
10787 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10788, __PRETTY_FUNCTION__)) | ||||
10788 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10788, __PRETTY_FUNCTION__)); | ||||
10789 | |||||
10790 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10791 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10792 | // not appear on the same taskloop directive. | ||||
10793 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10794 | return StmtError(); | ||||
10795 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10796 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10797 | // clause must not be specified. | ||||
10798 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10799 | return StmtError(); | ||||
10800 | |||||
10801 | setFunctionHasBranchProtectedScope(); | ||||
10802 | return OMPMasterTaskLoopDirective::Create(Context, StartLoc, EndLoc, | ||||
10803 | NestedLoopCount, Clauses, AStmt, B, | ||||
10804 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10805 | } | ||||
10806 | |||||
10807 | StmtResult Sema::ActOnOpenMPMasterTaskLoopSimdDirective( | ||||
10808 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10809 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10810 | if (!AStmt) | ||||
10811 | return StmtError(); | ||||
10812 | |||||
10813 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10813, __PRETTY_FUNCTION__)); | ||||
10814 | OMPLoopDirective::HelperExprs B; | ||||
10815 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10816 | // define the nested loops number. | ||||
10817 | unsigned NestedLoopCount = | ||||
10818 | checkOpenMPLoop(OMPD_master_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||
10819 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10820 | VarsWithImplicitDSA, B); | ||||
10821 | if (NestedLoopCount == 0) | ||||
10822 | return StmtError(); | ||||
10823 | |||||
10824 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10825, __PRETTY_FUNCTION__)) | ||||
10825 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10825, __PRETTY_FUNCTION__)); | ||||
10826 | |||||
10827 | if (!CurContext->isDependentContext()) { | ||||
10828 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10829 | for (OMPClause *C : Clauses) { | ||||
10830 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10831 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10832 | B.NumIterations, *this, CurScope, | ||||
10833 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10834 | return StmtError(); | ||||
10835 | } | ||||
10836 | } | ||||
10837 | |||||
10838 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10839 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10840 | // not appear on the same taskloop directive. | ||||
10841 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10842 | return StmtError(); | ||||
10843 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10844 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10845 | // clause must not be specified. | ||||
10846 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10847 | return StmtError(); | ||||
10848 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10849 | return StmtError(); | ||||
10850 | |||||
10851 | setFunctionHasBranchProtectedScope(); | ||||
10852 | return OMPMasterTaskLoopSimdDirective::Create( | ||||
10853 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10854 | } | ||||
10855 | |||||
10856 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopDirective( | ||||
10857 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10858 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10859 | if (!AStmt) | ||||
10860 | return StmtError(); | ||||
10861 | |||||
10862 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10862, __PRETTY_FUNCTION__)); | ||||
10863 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10864 | // 1.2.2 OpenMP Language Terminology | ||||
10865 | // Structured block - An executable statement with a single entry at the | ||||
10866 | // top and a single exit at the bottom. | ||||
10867 | // The point of exit cannot be a branch out of the structured block. | ||||
10868 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10869 | CS->getCapturedDecl()->setNothrow(); | ||||
10870 | for (int ThisCaptureLevel = | ||||
10871 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop); | ||||
10872 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10873 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10874 | // 1.2.2 OpenMP Language Terminology | ||||
10875 | // Structured block - An executable statement with a single entry at the | ||||
10876 | // top and a single exit at the bottom. | ||||
10877 | // The point of exit cannot be a branch out of the structured block. | ||||
10878 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10879 | CS->getCapturedDecl()->setNothrow(); | ||||
10880 | } | ||||
10881 | |||||
10882 | OMPLoopDirective::HelperExprs B; | ||||
10883 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10884 | // define the nested loops number. | ||||
10885 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10886 | OMPD_parallel_master_taskloop, getCollapseNumberExpr(Clauses), | ||||
10887 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10888 | VarsWithImplicitDSA, B); | ||||
10889 | if (NestedLoopCount == 0) | ||||
10890 | return StmtError(); | ||||
10891 | |||||
10892 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10893, __PRETTY_FUNCTION__)) | ||||
10893 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10893, __PRETTY_FUNCTION__)); | ||||
10894 | |||||
10895 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10896 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10897 | // not appear on the same taskloop directive. | ||||
10898 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10899 | return StmtError(); | ||||
10900 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10901 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10902 | // clause must not be specified. | ||||
10903 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10904 | return StmtError(); | ||||
10905 | |||||
10906 | setFunctionHasBranchProtectedScope(); | ||||
10907 | return OMPParallelMasterTaskLoopDirective::Create( | ||||
10908 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
10909 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10910 | } | ||||
10911 | |||||
10912 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopSimdDirective( | ||||
10913 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10914 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10915 | if (!AStmt) | ||||
10916 | return StmtError(); | ||||
10917 | |||||
10918 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10918, __PRETTY_FUNCTION__)); | ||||
10919 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10920 | // 1.2.2 OpenMP Language Terminology | ||||
10921 | // Structured block - An executable statement with a single entry at the | ||||
10922 | // top and a single exit at the bottom. | ||||
10923 | // The point of exit cannot be a branch out of the structured block. | ||||
10924 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10925 | CS->getCapturedDecl()->setNothrow(); | ||||
10926 | for (int ThisCaptureLevel = | ||||
10927 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop_simd); | ||||
10928 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10929 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10930 | // 1.2.2 OpenMP Language Terminology | ||||
10931 | // Structured block - An executable statement with a single entry at the | ||||
10932 | // top and a single exit at the bottom. | ||||
10933 | // The point of exit cannot be a branch out of the structured block. | ||||
10934 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10935 | CS->getCapturedDecl()->setNothrow(); | ||||
10936 | } | ||||
10937 | |||||
10938 | OMPLoopDirective::HelperExprs B; | ||||
10939 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10940 | // define the nested loops number. | ||||
10941 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10942 | OMPD_parallel_master_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||
10943 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10944 | VarsWithImplicitDSA, B); | ||||
10945 | if (NestedLoopCount == 0) | ||||
10946 | return StmtError(); | ||||
10947 | |||||
10948 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10949, __PRETTY_FUNCTION__)) | ||||
10949 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10949, __PRETTY_FUNCTION__)); | ||||
10950 | |||||
10951 | if (!CurContext->isDependentContext()) { | ||||
10952 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10953 | for (OMPClause *C : Clauses) { | ||||
10954 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10955 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10956 | B.NumIterations, *this, CurScope, | ||||
10957 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10958 | return StmtError(); | ||||
10959 | } | ||||
10960 | } | ||||
10961 | |||||
10962 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10963 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10964 | // not appear on the same taskloop directive. | ||||
10965 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10966 | return StmtError(); | ||||
10967 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10968 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10969 | // clause must not be specified. | ||||
10970 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10971 | return StmtError(); | ||||
10972 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10973 | return StmtError(); | ||||
10974 | |||||
10975 | setFunctionHasBranchProtectedScope(); | ||||
10976 | return OMPParallelMasterTaskLoopSimdDirective::Create( | ||||
10977 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10978 | } | ||||
10979 | |||||
10980 | StmtResult Sema::ActOnOpenMPDistributeDirective( | ||||
10981 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10982 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10983 | if (!AStmt) | ||||
10984 | return StmtError(); | ||||
10985 | |||||
10986 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10986, __PRETTY_FUNCTION__)); | ||||
10987 | OMPLoopDirective::HelperExprs B; | ||||
10988 | // In presence of clause 'collapse' with number of loops, it will | ||||
10989 | // define the nested loops number. | ||||
10990 | unsigned NestedLoopCount = | ||||
10991 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), | ||||
10992 | nullptr /*ordered not a clause on distribute*/, AStmt, | ||||
10993 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
10994 | if (NestedLoopCount == 0) | ||||
10995 | return StmtError(); | ||||
10996 | |||||
10997 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10998, __PRETTY_FUNCTION__)) | ||||
10998 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 10998, __PRETTY_FUNCTION__)); | ||||
10999 | |||||
11000 | setFunctionHasBranchProtectedScope(); | ||||
11001 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, | ||||
11002 | NestedLoopCount, Clauses, AStmt, B); | ||||
11003 | } | ||||
11004 | |||||
11005 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( | ||||
11006 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11007 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11008 | if (!AStmt) | ||||
11009 | return StmtError(); | ||||
11010 | |||||
11011 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11012 | // 1.2.2 OpenMP Language Terminology | ||||
11013 | // Structured block - An executable statement with a single entry at the | ||||
11014 | // top and a single exit at the bottom. | ||||
11015 | // The point of exit cannot be a branch out of the structured block. | ||||
11016 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11017 | CS->getCapturedDecl()->setNothrow(); | ||||
11018 | for (int ThisCaptureLevel = | ||||
11019 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); | ||||
11020 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11021 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11022 | // 1.2.2 OpenMP Language Terminology | ||||
11023 | // Structured block - An executable statement with a single entry at the | ||||
11024 | // top and a single exit at the bottom. | ||||
11025 | // The point of exit cannot be a branch out of the structured block. | ||||
11026 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11027 | CS->getCapturedDecl()->setNothrow(); | ||||
11028 | } | ||||
11029 | |||||
11030 | OMPLoopDirective::HelperExprs B; | ||||
11031 | // In presence of clause 'collapse' with number of loops, it will | ||||
11032 | // define the nested loops number. | ||||
11033 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11034 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||
11035 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11036 | VarsWithImplicitDSA, B); | ||||
11037 | if (NestedLoopCount == 0) | ||||
11038 | return StmtError(); | ||||
11039 | |||||
11040 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11041, __PRETTY_FUNCTION__)) | ||||
11041 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11041, __PRETTY_FUNCTION__)); | ||||
11042 | |||||
11043 | setFunctionHasBranchProtectedScope(); | ||||
11044 | return OMPDistributeParallelForDirective::Create( | ||||
11045 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
11046 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
11047 | } | ||||
11048 | |||||
11049 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( | ||||
11050 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11051 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11052 | if (!AStmt) | ||||
11053 | return StmtError(); | ||||
11054 | |||||
11055 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11056 | // 1.2.2 OpenMP Language Terminology | ||||
11057 | // Structured block - An executable statement with a single entry at the | ||||
11058 | // top and a single exit at the bottom. | ||||
11059 | // The point of exit cannot be a branch out of the structured block. | ||||
11060 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11061 | CS->getCapturedDecl()->setNothrow(); | ||||
11062 | for (int ThisCaptureLevel = | ||||
11063 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); | ||||
11064 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11065 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11066 | // 1.2.2 OpenMP Language Terminology | ||||
11067 | // Structured block - An executable statement with a single entry at the | ||||
11068 | // top and a single exit at the bottom. | ||||
11069 | // The point of exit cannot be a branch out of the structured block. | ||||
11070 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11071 | CS->getCapturedDecl()->setNothrow(); | ||||
11072 | } | ||||
11073 | |||||
11074 | OMPLoopDirective::HelperExprs B; | ||||
11075 | // In presence of clause 'collapse' with number of loops, it will | ||||
11076 | // define the nested loops number. | ||||
11077 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11078 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
11079 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11080 | VarsWithImplicitDSA, B); | ||||
11081 | if (NestedLoopCount == 0) | ||||
11082 | return StmtError(); | ||||
11083 | |||||
11084 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11085, __PRETTY_FUNCTION__)) | ||||
11085 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11085, __PRETTY_FUNCTION__)); | ||||
11086 | |||||
11087 | if (!CurContext->isDependentContext()) { | ||||
11088 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11089 | for (OMPClause *C : Clauses) { | ||||
11090 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11091 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11092 | B.NumIterations, *this, CurScope, | ||||
11093 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11094 | return StmtError(); | ||||
11095 | } | ||||
11096 | } | ||||
11097 | |||||
11098 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11099 | return StmtError(); | ||||
11100 | |||||
11101 | setFunctionHasBranchProtectedScope(); | ||||
11102 | return OMPDistributeParallelForSimdDirective::Create( | ||||
11103 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11104 | } | ||||
11105 | |||||
11106 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( | ||||
11107 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11108 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11109 | if (!AStmt) | ||||
11110 | return StmtError(); | ||||
11111 | |||||
11112 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11113 | // 1.2.2 OpenMP Language Terminology | ||||
11114 | // Structured block - An executable statement with a single entry at the | ||||
11115 | // top and a single exit at the bottom. | ||||
11116 | // The point of exit cannot be a branch out of the structured block. | ||||
11117 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11118 | CS->getCapturedDecl()->setNothrow(); | ||||
11119 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); | ||||
11120 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11121 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11122 | // 1.2.2 OpenMP Language Terminology | ||||
11123 | // Structured block - An executable statement with a single entry at the | ||||
11124 | // top and a single exit at the bottom. | ||||
11125 | // The point of exit cannot be a branch out of the structured block. | ||||
11126 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11127 | CS->getCapturedDecl()->setNothrow(); | ||||
11128 | } | ||||
11129 | |||||
11130 | OMPLoopDirective::HelperExprs B; | ||||
11131 | // In presence of clause 'collapse' with number of loops, it will | ||||
11132 | // define the nested loops number. | ||||
11133 | unsigned NestedLoopCount = | ||||
11134 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), | ||||
11135 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||
11136 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
11137 | if (NestedLoopCount == 0) | ||||
11138 | return StmtError(); | ||||
11139 | |||||
11140 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11141, __PRETTY_FUNCTION__)) | ||||
11141 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11141, __PRETTY_FUNCTION__)); | ||||
11142 | |||||
11143 | if (!CurContext->isDependentContext()) { | ||||
11144 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11145 | for (OMPClause *C : Clauses) { | ||||
11146 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11147 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11148 | B.NumIterations, *this, CurScope, | ||||
11149 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11150 | return StmtError(); | ||||
11151 | } | ||||
11152 | } | ||||
11153 | |||||
11154 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11155 | return StmtError(); | ||||
11156 | |||||
11157 | setFunctionHasBranchProtectedScope(); | ||||
11158 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, | ||||
11159 | NestedLoopCount, Clauses, AStmt, B); | ||||
11160 | } | ||||
11161 | |||||
11162 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( | ||||
11163 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11164 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11165 | if (!AStmt) | ||||
11166 | return StmtError(); | ||||
11167 | |||||
11168 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11169 | // 1.2.2 OpenMP Language Terminology | ||||
11170 | // Structured block - An executable statement with a single entry at the | ||||
11171 | // top and a single exit at the bottom. | ||||
11172 | // The point of exit cannot be a branch out of the structured block. | ||||
11173 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11174 | CS->getCapturedDecl()->setNothrow(); | ||||
11175 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | ||||
11176 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11177 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11178 | // 1.2.2 OpenMP Language Terminology | ||||
11179 | // Structured block - An executable statement with a single entry at the | ||||
11180 | // top and a single exit at the bottom. | ||||
11181 | // The point of exit cannot be a branch out of the structured block. | ||||
11182 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11183 | CS->getCapturedDecl()->setNothrow(); | ||||
11184 | } | ||||
11185 | |||||
11186 | OMPLoopDirective::HelperExprs B; | ||||
11187 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
11188 | // define the nested loops number. | ||||
11189 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11190 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
11191 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11192 | VarsWithImplicitDSA, B); | ||||
11193 | if (NestedLoopCount == 0) | ||||
11194 | return StmtError(); | ||||
11195 | |||||
11196 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11197, __PRETTY_FUNCTION__)) | ||||
11197 | "omp target parallel for simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11197, __PRETTY_FUNCTION__)); | ||||
11198 | |||||
11199 | if (!CurContext->isDependentContext()) { | ||||
11200 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11201 | for (OMPClause *C : Clauses) { | ||||
11202 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11203 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11204 | B.NumIterations, *this, CurScope, | ||||
11205 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11206 | return StmtError(); | ||||
11207 | } | ||||
11208 | } | ||||
11209 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11210 | return StmtError(); | ||||
11211 | |||||
11212 | setFunctionHasBranchProtectedScope(); | ||||
11213 | return OMPTargetParallelForSimdDirective::Create( | ||||
11214 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11215 | } | ||||
11216 | |||||
11217 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( | ||||
11218 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11219 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11220 | if (!AStmt) | ||||
11221 | return StmtError(); | ||||
11222 | |||||
11223 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11224 | // 1.2.2 OpenMP Language Terminology | ||||
11225 | // Structured block - An executable statement with a single entry at the | ||||
11226 | // top and a single exit at the bottom. | ||||
11227 | // The point of exit cannot be a branch out of the structured block. | ||||
11228 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11229 | CS->getCapturedDecl()->setNothrow(); | ||||
11230 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); | ||||
11231 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11232 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11233 | // 1.2.2 OpenMP Language Terminology | ||||
11234 | // Structured block - An executable statement with a single entry at the | ||||
11235 | // top and a single exit at the bottom. | ||||
11236 | // The point of exit cannot be a branch out of the structured block. | ||||
11237 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11238 | CS->getCapturedDecl()->setNothrow(); | ||||
11239 | } | ||||
11240 | |||||
11241 | OMPLoopDirective::HelperExprs B; | ||||
11242 | // In presence of clause 'collapse' with number of loops, it will define the | ||||
11243 | // nested loops number. | ||||
11244 | unsigned NestedLoopCount = | ||||
11245 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), | ||||
11246 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11247 | VarsWithImplicitDSA, B); | ||||
11248 | if (NestedLoopCount == 0) | ||||
11249 | return StmtError(); | ||||
11250 | |||||
11251 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target simd loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11252, __PRETTY_FUNCTION__)) | ||||
11252 | "omp target simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target simd loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11252, __PRETTY_FUNCTION__)); | ||||
11253 | |||||
11254 | if (!CurContext->isDependentContext()) { | ||||
11255 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11256 | for (OMPClause *C : Clauses) { | ||||
11257 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11258 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11259 | B.NumIterations, *this, CurScope, | ||||
11260 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11261 | return StmtError(); | ||||
11262 | } | ||||
11263 | } | ||||
11264 | |||||
11265 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11266 | return StmtError(); | ||||
11267 | |||||
11268 | setFunctionHasBranchProtectedScope(); | ||||
11269 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, | ||||
11270 | NestedLoopCount, Clauses, AStmt, B); | ||||
11271 | } | ||||
11272 | |||||
11273 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( | ||||
11274 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11275 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11276 | if (!AStmt) | ||||
11277 | return StmtError(); | ||||
11278 | |||||
11279 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11280 | // 1.2.2 OpenMP Language Terminology | ||||
11281 | // Structured block - An executable statement with a single entry at the | ||||
11282 | // top and a single exit at the bottom. | ||||
11283 | // The point of exit cannot be a branch out of the structured block. | ||||
11284 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11285 | CS->getCapturedDecl()->setNothrow(); | ||||
11286 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); | ||||
11287 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11288 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11289 | // 1.2.2 OpenMP Language Terminology | ||||
11290 | // Structured block - An executable statement with a single entry at the | ||||
11291 | // top and a single exit at the bottom. | ||||
11292 | // The point of exit cannot be a branch out of the structured block. | ||||
11293 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11294 | CS->getCapturedDecl()->setNothrow(); | ||||
11295 | } | ||||
11296 | |||||
11297 | OMPLoopDirective::HelperExprs B; | ||||
11298 | // In presence of clause 'collapse' with number of loops, it will | ||||
11299 | // define the nested loops number. | ||||
11300 | unsigned NestedLoopCount = | ||||
11301 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), | ||||
11302 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||
11303 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
11304 | if (NestedLoopCount == 0) | ||||
11305 | return StmtError(); | ||||
11306 | |||||
11307 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11308, __PRETTY_FUNCTION__)) | ||||
11308 | "omp teams distribute loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11308, __PRETTY_FUNCTION__)); | ||||
11309 | |||||
11310 | setFunctionHasBranchProtectedScope(); | ||||
11311 | |||||
11312 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
11313 | |||||
11314 | return OMPTeamsDistributeDirective::Create( | ||||
11315 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11316 | } | ||||
11317 | |||||
11318 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( | ||||
11319 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11320 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11321 | if (!AStmt) | ||||
11322 | return StmtError(); | ||||
11323 | |||||
11324 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11325 | // 1.2.2 OpenMP Language Terminology | ||||
11326 | // Structured block - An executable statement with a single entry at the | ||||
11327 | // top and a single exit at the bottom. | ||||
11328 | // The point of exit cannot be a branch out of the structured block. | ||||
11329 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11330 | CS->getCapturedDecl()->setNothrow(); | ||||
11331 | for (int ThisCaptureLevel = | ||||
11332 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); | ||||
11333 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11334 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11335 | // 1.2.2 OpenMP Language Terminology | ||||
11336 | // Structured block - An executable statement with a single entry at the | ||||
11337 | // top and a single exit at the bottom. | ||||
11338 | // The point of exit cannot be a branch out of the structured block. | ||||
11339 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11340 | CS->getCapturedDecl()->setNothrow(); | ||||
11341 | } | ||||
11342 | |||||
11343 | OMPLoopDirective::HelperExprs B; | ||||
11344 | // In presence of clause 'collapse' with number of loops, it will | ||||
11345 | // define the nested loops number. | ||||
11346 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11347 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), | ||||
11348 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11349 | VarsWithImplicitDSA, B); | ||||
11350 | |||||
11351 | if (NestedLoopCount == 0) | ||||
11352 | return StmtError(); | ||||
11353 | |||||
11354 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11355, __PRETTY_FUNCTION__)) | ||||
11355 | "omp teams distribute simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11355, __PRETTY_FUNCTION__)); | ||||
11356 | |||||
11357 | if (!CurContext->isDependentContext()) { | ||||
11358 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11359 | for (OMPClause *C : Clauses) { | ||||
11360 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11361 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11362 | B.NumIterations, *this, CurScope, | ||||
11363 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11364 | return StmtError(); | ||||
11365 | } | ||||
11366 | } | ||||
11367 | |||||
11368 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11369 | return StmtError(); | ||||
11370 | |||||
11371 | setFunctionHasBranchProtectedScope(); | ||||
11372 | |||||
11373 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
11374 | |||||
11375 | return OMPTeamsDistributeSimdDirective::Create( | ||||
11376 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11377 | } | ||||
11378 | |||||
11379 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( | ||||
11380 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11381 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11382 | if (!AStmt) | ||||
11383 | return StmtError(); | ||||
11384 | |||||
11385 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11386 | // 1.2.2 OpenMP Language Terminology | ||||
11387 | // Structured block - An executable statement with a single entry at the | ||||
11388 | // top and a single exit at the bottom. | ||||
11389 | // The point of exit cannot be a branch out of the structured block. | ||||
11390 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11391 | CS->getCapturedDecl()->setNothrow(); | ||||
11392 | |||||
11393 | for (int ThisCaptureLevel = | ||||
11394 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); | ||||
11395 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11396 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11397 | // 1.2.2 OpenMP Language Terminology | ||||
11398 | // Structured block - An executable statement with a single entry at the | ||||
11399 | // top and a single exit at the bottom. | ||||
11400 | // The point of exit cannot be a branch out of the structured block. | ||||
11401 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11402 | CS->getCapturedDecl()->setNothrow(); | ||||
11403 | } | ||||
11404 | |||||
11405 | OMPLoopDirective::HelperExprs B; | ||||
11406 | // In presence of clause 'collapse' with number of loops, it will | ||||
11407 | // define the nested loops number. | ||||
11408 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11409 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
11410 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11411 | VarsWithImplicitDSA, B); | ||||
11412 | |||||
11413 | if (NestedLoopCount == 0) | ||||
11414 | return StmtError(); | ||||
11415 | |||||
11416 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11417, __PRETTY_FUNCTION__)) | ||||
11417 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11417, __PRETTY_FUNCTION__)); | ||||
11418 | |||||
11419 | if (!CurContext->isDependentContext()) { | ||||
11420 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11421 | for (OMPClause *C : Clauses) { | ||||
11422 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11423 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11424 | B.NumIterations, *this, CurScope, | ||||
11425 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11426 | return StmtError(); | ||||
11427 | } | ||||
11428 | } | ||||
11429 | |||||
11430 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11431 | return StmtError(); | ||||
11432 | |||||
11433 | setFunctionHasBranchProtectedScope(); | ||||
11434 | |||||
11435 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
11436 | |||||
11437 | return OMPTeamsDistributeParallelForSimdDirective::Create( | ||||
11438 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11439 | } | ||||
11440 | |||||
11441 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( | ||||
11442 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11443 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11444 | if (!AStmt) | ||||
11445 | return StmtError(); | ||||
11446 | |||||
11447 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11448 | // 1.2.2 OpenMP Language Terminology | ||||
11449 | // Structured block - An executable statement with a single entry at the | ||||
11450 | // top and a single exit at the bottom. | ||||
11451 | // The point of exit cannot be a branch out of the structured block. | ||||
11452 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11453 | CS->getCapturedDecl()->setNothrow(); | ||||
11454 | |||||
11455 | for (int ThisCaptureLevel = | ||||
11456 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); | ||||
11457 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11458 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11459 | // 1.2.2 OpenMP Language Terminology | ||||
11460 | // Structured block - An executable statement with a single entry at the | ||||
11461 | // top and a single exit at the bottom. | ||||
11462 | // The point of exit cannot be a branch out of the structured block. | ||||
11463 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11464 | CS->getCapturedDecl()->setNothrow(); | ||||
11465 | } | ||||
11466 | |||||
11467 | OMPLoopDirective::HelperExprs B; | ||||
11468 | // In presence of clause 'collapse' with number of loops, it will | ||||
11469 | // define the nested loops number. | ||||
11470 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11471 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||
11472 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11473 | VarsWithImplicitDSA, B); | ||||
11474 | |||||
11475 | if (NestedLoopCount == 0) | ||||
11476 | return StmtError(); | ||||
11477 | |||||
11478 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11479, __PRETTY_FUNCTION__)) | ||||
11479 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11479, __PRETTY_FUNCTION__)); | ||||
11480 | |||||
11481 | setFunctionHasBranchProtectedScope(); | ||||
11482 | |||||
11483 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
11484 | |||||
11485 | return OMPTeamsDistributeParallelForDirective::Create( | ||||
11486 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
11487 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
11488 | } | ||||
11489 | |||||
11490 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, | ||||
11491 | Stmt *AStmt, | ||||
11492 | SourceLocation StartLoc, | ||||
11493 | SourceLocation EndLoc) { | ||||
11494 | if (!AStmt) | ||||
11495 | return StmtError(); | ||||
11496 | |||||
11497 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11498 | // 1.2.2 OpenMP Language Terminology | ||||
11499 | // Structured block - An executable statement with a single entry at the | ||||
11500 | // top and a single exit at the bottom. | ||||
11501 | // The point of exit cannot be a branch out of the structured block. | ||||
11502 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11503 | CS->getCapturedDecl()->setNothrow(); | ||||
11504 | |||||
11505 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); | ||||
11506 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11507 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11508 | // 1.2.2 OpenMP Language Terminology | ||||
11509 | // Structured block - An executable statement with a single entry at the | ||||
11510 | // top and a single exit at the bottom. | ||||
11511 | // The point of exit cannot be a branch out of the structured block. | ||||
11512 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11513 | CS->getCapturedDecl()->setNothrow(); | ||||
11514 | } | ||||
11515 | setFunctionHasBranchProtectedScope(); | ||||
11516 | |||||
11517 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
11518 | AStmt); | ||||
11519 | } | ||||
11520 | |||||
11521 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( | ||||
11522 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11523 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11524 | if (!AStmt) | ||||
11525 | return StmtError(); | ||||
11526 | |||||
11527 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11528 | // 1.2.2 OpenMP Language Terminology | ||||
11529 | // Structured block - An executable statement with a single entry at the | ||||
11530 | // top and a single exit at the bottom. | ||||
11531 | // The point of exit cannot be a branch out of the structured block. | ||||
11532 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11533 | CS->getCapturedDecl()->setNothrow(); | ||||
11534 | for (int ThisCaptureLevel = | ||||
11535 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); | ||||
11536 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11537 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11538 | // 1.2.2 OpenMP Language Terminology | ||||
11539 | // Structured block - An executable statement with a single entry at the | ||||
11540 | // top and a single exit at the bottom. | ||||
11541 | // The point of exit cannot be a branch out of the structured block. | ||||
11542 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11543 | CS->getCapturedDecl()->setNothrow(); | ||||
11544 | } | ||||
11545 | |||||
11546 | OMPLoopDirective::HelperExprs B; | ||||
11547 | // In presence of clause 'collapse' with number of loops, it will | ||||
11548 | // define the nested loops number. | ||||
11549 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11550 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), | ||||
11551 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11552 | VarsWithImplicitDSA, B); | ||||
11553 | if (NestedLoopCount == 0) | ||||
11554 | return StmtError(); | ||||
11555 | |||||
11556 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11557, __PRETTY_FUNCTION__)) | ||||
11557 | "omp target teams distribute loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11557, __PRETTY_FUNCTION__)); | ||||
11558 | |||||
11559 | setFunctionHasBranchProtectedScope(); | ||||
11560 | return OMPTargetTeamsDistributeDirective::Create( | ||||
11561 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11562 | } | ||||
11563 | |||||
11564 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( | ||||
11565 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11566 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11567 | if (!AStmt) | ||||
11568 | return StmtError(); | ||||
11569 | |||||
11570 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11571 | // 1.2.2 OpenMP Language Terminology | ||||
11572 | // Structured block - An executable statement with a single entry at the | ||||
11573 | // top and a single exit at the bottom. | ||||
11574 | // The point of exit cannot be a branch out of the structured block. | ||||
11575 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11576 | CS->getCapturedDecl()->setNothrow(); | ||||
11577 | for (int ThisCaptureLevel = | ||||
11578 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); | ||||
11579 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11580 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11581 | // 1.2.2 OpenMP Language Terminology | ||||
11582 | // Structured block - An executable statement with a single entry at the | ||||
11583 | // top and a single exit at the bottom. | ||||
11584 | // The point of exit cannot be a branch out of the structured block. | ||||
11585 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11586 | CS->getCapturedDecl()->setNothrow(); | ||||
11587 | } | ||||
11588 | |||||
11589 | OMPLoopDirective::HelperExprs B; | ||||
11590 | // In presence of clause 'collapse' with number of loops, it will | ||||
11591 | // define the nested loops number. | ||||
11592 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11593 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||
11594 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11595 | VarsWithImplicitDSA, B); | ||||
11596 | if (NestedLoopCount == 0) | ||||
11597 | return StmtError(); | ||||
11598 | |||||
11599 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11600, __PRETTY_FUNCTION__)) | ||||
11600 | "omp target teams distribute parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11600, __PRETTY_FUNCTION__)); | ||||
11601 | |||||
11602 | if (!CurContext->isDependentContext()) { | ||||
11603 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11604 | for (OMPClause *C : Clauses) { | ||||
11605 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11606 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11607 | B.NumIterations, *this, CurScope, | ||||
11608 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11609 | return StmtError(); | ||||
11610 | } | ||||
11611 | } | ||||
11612 | |||||
11613 | setFunctionHasBranchProtectedScope(); | ||||
11614 | return OMPTargetTeamsDistributeParallelForDirective::Create( | ||||
11615 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
11616 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
11617 | } | ||||
11618 | |||||
11619 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | ||||
11620 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11621 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11622 | if (!AStmt) | ||||
11623 | return StmtError(); | ||||
11624 | |||||
11625 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11626 | // 1.2.2 OpenMP Language Terminology | ||||
11627 | // Structured block - An executable statement with a single entry at the | ||||
11628 | // top and a single exit at the bottom. | ||||
11629 | // The point of exit cannot be a branch out of the structured block. | ||||
11630 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11631 | CS->getCapturedDecl()->setNothrow(); | ||||
11632 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( | ||||
11633 | OMPD_target_teams_distribute_parallel_for_simd); | ||||
11634 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11635 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11636 | // 1.2.2 OpenMP Language Terminology | ||||
11637 | // Structured block - An executable statement with a single entry at the | ||||
11638 | // top and a single exit at the bottom. | ||||
11639 | // The point of exit cannot be a branch out of the structured block. | ||||
11640 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11641 | CS->getCapturedDecl()->setNothrow(); | ||||
11642 | } | ||||
11643 | |||||
11644 | OMPLoopDirective::HelperExprs B; | ||||
11645 | // In presence of clause 'collapse' with number of loops, it will | ||||
11646 | // define the nested loops number. | ||||
11647 | unsigned NestedLoopCount = | ||||
11648 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, | ||||
11649 | getCollapseNumberExpr(Clauses), | ||||
11650 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||
11651 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
11652 | if (NestedLoopCount == 0) | ||||
11653 | return StmtError(); | ||||
11654 | |||||
11655 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11657, __PRETTY_FUNCTION__)) | ||||
11656 | "omp target teams distribute parallel for simd loop exprs were not "(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11657, __PRETTY_FUNCTION__)) | ||||
11657 | "built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11657, __PRETTY_FUNCTION__)); | ||||
11658 | |||||
11659 | if (!CurContext->isDependentContext()) { | ||||
11660 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11661 | for (OMPClause *C : Clauses) { | ||||
11662 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11663 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11664 | B.NumIterations, *this, CurScope, | ||||
11665 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11666 | return StmtError(); | ||||
11667 | } | ||||
11668 | } | ||||
11669 | |||||
11670 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11671 | return StmtError(); | ||||
11672 | |||||
11673 | setFunctionHasBranchProtectedScope(); | ||||
11674 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( | ||||
11675 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11676 | } | ||||
11677 | |||||
11678 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( | ||||
11679 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
11680 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
11681 | if (!AStmt) | ||||
11682 | return StmtError(); | ||||
11683 | |||||
11684 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
11685 | // 1.2.2 OpenMP Language Terminology | ||||
11686 | // Structured block - An executable statement with a single entry at the | ||||
11687 | // top and a single exit at the bottom. | ||||
11688 | // The point of exit cannot be a branch out of the structured block. | ||||
11689 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11690 | CS->getCapturedDecl()->setNothrow(); | ||||
11691 | for (int ThisCaptureLevel = | ||||
11692 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); | ||||
11693 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
11694 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
11695 | // 1.2.2 OpenMP Language Terminology | ||||
11696 | // Structured block - An executable statement with a single entry at the | ||||
11697 | // top and a single exit at the bottom. | ||||
11698 | // The point of exit cannot be a branch out of the structured block. | ||||
11699 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
11700 | CS->getCapturedDecl()->setNothrow(); | ||||
11701 | } | ||||
11702 | |||||
11703 | OMPLoopDirective::HelperExprs B; | ||||
11704 | // In presence of clause 'collapse' with number of loops, it will | ||||
11705 | // define the nested loops number. | ||||
11706 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
11707 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), | ||||
11708 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
11709 | VarsWithImplicitDSA, B); | ||||
11710 | if (NestedLoopCount == 0) | ||||
11711 | return StmtError(); | ||||
11712 | |||||
11713 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11714, __PRETTY_FUNCTION__)) | ||||
11714 | "omp target teams distribute simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11714, __PRETTY_FUNCTION__)); | ||||
11715 | |||||
11716 | if (!CurContext->isDependentContext()) { | ||||
11717 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
11718 | for (OMPClause *C : Clauses) { | ||||
11719 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
11720 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
11721 | B.NumIterations, *this, CurScope, | ||||
11722 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
11723 | return StmtError(); | ||||
11724 | } | ||||
11725 | } | ||||
11726 | |||||
11727 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
11728 | return StmtError(); | ||||
11729 | |||||
11730 | setFunctionHasBranchProtectedScope(); | ||||
11731 | return OMPTargetTeamsDistributeSimdDirective::Create( | ||||
11732 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
11733 | } | ||||
11734 | |||||
11735 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, | ||||
11736 | SourceLocation StartLoc, | ||||
11737 | SourceLocation LParenLoc, | ||||
11738 | SourceLocation EndLoc) { | ||||
11739 | OMPClause *Res = nullptr; | ||||
11740 | switch (Kind) { | ||||
11741 | case OMPC_final: | ||||
11742 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11743 | break; | ||||
11744 | case OMPC_num_threads: | ||||
11745 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11746 | break; | ||||
11747 | case OMPC_safelen: | ||||
11748 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11749 | break; | ||||
11750 | case OMPC_simdlen: | ||||
11751 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11752 | break; | ||||
11753 | case OMPC_allocator: | ||||
11754 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11755 | break; | ||||
11756 | case OMPC_collapse: | ||||
11757 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11758 | break; | ||||
11759 | case OMPC_ordered: | ||||
11760 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); | ||||
11761 | break; | ||||
11762 | case OMPC_num_teams: | ||||
11763 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11764 | break; | ||||
11765 | case OMPC_thread_limit: | ||||
11766 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11767 | break; | ||||
11768 | case OMPC_priority: | ||||
11769 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11770 | break; | ||||
11771 | case OMPC_grainsize: | ||||
11772 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11773 | break; | ||||
11774 | case OMPC_num_tasks: | ||||
11775 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11776 | break; | ||||
11777 | case OMPC_hint: | ||||
11778 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11779 | break; | ||||
11780 | case OMPC_depobj: | ||||
11781 | Res = ActOnOpenMPDepobjClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11782 | break; | ||||
11783 | case OMPC_detach: | ||||
11784 | Res = ActOnOpenMPDetachClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
11785 | break; | ||||
11786 | case OMPC_device: | ||||
11787 | case OMPC_if: | ||||
11788 | case OMPC_default: | ||||
11789 | case OMPC_proc_bind: | ||||
11790 | case OMPC_schedule: | ||||
11791 | case OMPC_private: | ||||
11792 | case OMPC_firstprivate: | ||||
11793 | case OMPC_lastprivate: | ||||
11794 | case OMPC_shared: | ||||
11795 | case OMPC_reduction: | ||||
11796 | case OMPC_task_reduction: | ||||
11797 | case OMPC_in_reduction: | ||||
11798 | case OMPC_linear: | ||||
11799 | case OMPC_aligned: | ||||
11800 | case OMPC_copyin: | ||||
11801 | case OMPC_copyprivate: | ||||
11802 | case OMPC_nowait: | ||||
11803 | case OMPC_untied: | ||||
11804 | case OMPC_mergeable: | ||||
11805 | case OMPC_threadprivate: | ||||
11806 | case OMPC_allocate: | ||||
11807 | case OMPC_flush: | ||||
11808 | case OMPC_read: | ||||
11809 | case OMPC_write: | ||||
11810 | case OMPC_update: | ||||
11811 | case OMPC_capture: | ||||
11812 | case OMPC_seq_cst: | ||||
11813 | case OMPC_acq_rel: | ||||
11814 | case OMPC_acquire: | ||||
11815 | case OMPC_release: | ||||
11816 | case OMPC_relaxed: | ||||
11817 | case OMPC_depend: | ||||
11818 | case OMPC_threads: | ||||
11819 | case OMPC_simd: | ||||
11820 | case OMPC_map: | ||||
11821 | case OMPC_nogroup: | ||||
11822 | case OMPC_dist_schedule: | ||||
11823 | case OMPC_defaultmap: | ||||
11824 | case OMPC_unknown: | ||||
11825 | case OMPC_uniform: | ||||
11826 | case OMPC_to: | ||||
11827 | case OMPC_from: | ||||
11828 | case OMPC_use_device_ptr: | ||||
11829 | case OMPC_use_device_addr: | ||||
11830 | case OMPC_is_device_ptr: | ||||
11831 | case OMPC_unified_address: | ||||
11832 | case OMPC_unified_shared_memory: | ||||
11833 | case OMPC_reverse_offload: | ||||
11834 | case OMPC_dynamic_allocators: | ||||
11835 | case OMPC_atomic_default_mem_order: | ||||
11836 | case OMPC_device_type: | ||||
11837 | case OMPC_match: | ||||
11838 | case OMPC_nontemporal: | ||||
11839 | case OMPC_order: | ||||
11840 | case OMPC_destroy: | ||||
11841 | case OMPC_inclusive: | ||||
11842 | case OMPC_exclusive: | ||||
11843 | case OMPC_uses_allocators: | ||||
11844 | case OMPC_affinity: | ||||
11845 | default: | ||||
11846 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11846); | ||||
11847 | } | ||||
11848 | return Res; | ||||
11849 | } | ||||
11850 | |||||
11851 | // An OpenMP directive such as 'target parallel' has two captured regions: | ||||
11852 | // for the 'target' and 'parallel' respectively. This function returns | ||||
11853 | // the region in which to capture expressions associated with a clause. | ||||
11854 | // A return value of OMPD_unknown signifies that the expression should not | ||||
11855 | // be captured. | ||||
11856 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( | ||||
11857 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, unsigned OpenMPVersion, | ||||
11858 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { | ||||
11859 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
11860 | switch (CKind) { | ||||
11861 | case OMPC_if: | ||||
11862 | switch (DKind) { | ||||
11863 | case OMPD_target_parallel_for_simd: | ||||
11864 | if (OpenMPVersion >= 50 && | ||||
11865 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||
11866 | CaptureRegion = OMPD_parallel; | ||||
11867 | break; | ||||
11868 | } | ||||
11869 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||
11870 | case OMPD_target_parallel: | ||||
11871 | case OMPD_target_parallel_for: | ||||
11872 | // If this clause applies to the nested 'parallel' region, capture within | ||||
11873 | // the 'target' region, otherwise do not capture. | ||||
11874 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | ||||
11875 | CaptureRegion = OMPD_target; | ||||
11876 | break; | ||||
11877 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11878 | if (OpenMPVersion >= 50 && | ||||
11879 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||
11880 | CaptureRegion = OMPD_parallel; | ||||
11881 | break; | ||||
11882 | } | ||||
11883 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||
11884 | case OMPD_target_teams_distribute_parallel_for: | ||||
11885 | // If this clause applies to the nested 'parallel' region, capture within | ||||
11886 | // the 'teams' region, otherwise do not capture. | ||||
11887 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | ||||
11888 | CaptureRegion = OMPD_teams; | ||||
11889 | break; | ||||
11890 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11891 | if (OpenMPVersion >= 50 && | ||||
11892 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||
11893 | CaptureRegion = OMPD_parallel; | ||||
11894 | break; | ||||
11895 | } | ||||
11896 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||
11897 | case OMPD_teams_distribute_parallel_for: | ||||
11898 | CaptureRegion = OMPD_teams; | ||||
11899 | break; | ||||
11900 | case OMPD_target_update: | ||||
11901 | case OMPD_target_enter_data: | ||||
11902 | case OMPD_target_exit_data: | ||||
11903 | CaptureRegion = OMPD_task; | ||||
11904 | break; | ||||
11905 | case OMPD_parallel_master_taskloop: | ||||
11906 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) | ||||
11907 | CaptureRegion = OMPD_parallel; | ||||
11908 | break; | ||||
11909 | case OMPD_parallel_master_taskloop_simd: | ||||
11910 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || | ||||
11911 | NameModifier == OMPD_taskloop) { | ||||
11912 | CaptureRegion = OMPD_parallel; | ||||
11913 | break; | ||||
11914 | } | ||||
11915 | if (OpenMPVersion <= 45) | ||||
11916 | break; | ||||
11917 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11918 | CaptureRegion = OMPD_taskloop; | ||||
11919 | break; | ||||
11920 | case OMPD_parallel_for_simd: | ||||
11921 | if (OpenMPVersion <= 45) | ||||
11922 | break; | ||||
11923 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11924 | CaptureRegion = OMPD_parallel; | ||||
11925 | break; | ||||
11926 | case OMPD_taskloop_simd: | ||||
11927 | case OMPD_master_taskloop_simd: | ||||
11928 | if (OpenMPVersion <= 45) | ||||
11929 | break; | ||||
11930 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11931 | CaptureRegion = OMPD_taskloop; | ||||
11932 | break; | ||||
11933 | case OMPD_distribute_parallel_for_simd: | ||||
11934 | if (OpenMPVersion <= 45) | ||||
11935 | break; | ||||
11936 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11937 | CaptureRegion = OMPD_parallel; | ||||
11938 | break; | ||||
11939 | case OMPD_target_simd: | ||||
11940 | if (OpenMPVersion >= 50 && | ||||
11941 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | ||||
11942 | CaptureRegion = OMPD_target; | ||||
11943 | break; | ||||
11944 | case OMPD_teams_distribute_simd: | ||||
11945 | case OMPD_target_teams_distribute_simd: | ||||
11946 | if (OpenMPVersion >= 50 && | ||||
11947 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | ||||
11948 | CaptureRegion = OMPD_teams; | ||||
11949 | break; | ||||
11950 | case OMPD_cancel: | ||||
11951 | case OMPD_parallel: | ||||
11952 | case OMPD_parallel_master: | ||||
11953 | case OMPD_parallel_sections: | ||||
11954 | case OMPD_parallel_for: | ||||
11955 | case OMPD_target: | ||||
11956 | case OMPD_target_teams: | ||||
11957 | case OMPD_target_teams_distribute: | ||||
11958 | case OMPD_distribute_parallel_for: | ||||
11959 | case OMPD_task: | ||||
11960 | case OMPD_taskloop: | ||||
11961 | case OMPD_master_taskloop: | ||||
11962 | case OMPD_target_data: | ||||
11963 | case OMPD_simd: | ||||
11964 | case OMPD_for_simd: | ||||
11965 | case OMPD_distribute_simd: | ||||
11966 | // Do not capture if-clause expressions. | ||||
11967 | break; | ||||
11968 | case OMPD_threadprivate: | ||||
11969 | case OMPD_allocate: | ||||
11970 | case OMPD_taskyield: | ||||
11971 | case OMPD_barrier: | ||||
11972 | case OMPD_taskwait: | ||||
11973 | case OMPD_cancellation_point: | ||||
11974 | case OMPD_flush: | ||||
11975 | case OMPD_depobj: | ||||
11976 | case OMPD_scan: | ||||
11977 | case OMPD_declare_reduction: | ||||
11978 | case OMPD_declare_mapper: | ||||
11979 | case OMPD_declare_simd: | ||||
11980 | case OMPD_declare_variant: | ||||
11981 | case OMPD_begin_declare_variant: | ||||
11982 | case OMPD_end_declare_variant: | ||||
11983 | case OMPD_declare_target: | ||||
11984 | case OMPD_end_declare_target: | ||||
11985 | case OMPD_teams: | ||||
11986 | case OMPD_for: | ||||
11987 | case OMPD_sections: | ||||
11988 | case OMPD_section: | ||||
11989 | case OMPD_single: | ||||
11990 | case OMPD_master: | ||||
11991 | case OMPD_critical: | ||||
11992 | case OMPD_taskgroup: | ||||
11993 | case OMPD_distribute: | ||||
11994 | case OMPD_ordered: | ||||
11995 | case OMPD_atomic: | ||||
11996 | case OMPD_teams_distribute: | ||||
11997 | case OMPD_requires: | ||||
11998 | llvm_unreachable("Unexpected OpenMP directive with if-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with if-clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 11998); | ||||
11999 | case OMPD_unknown: | ||||
12000 | default: | ||||
12001 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12001); | ||||
12002 | } | ||||
12003 | break; | ||||
12004 | case OMPC_num_threads: | ||||
12005 | switch (DKind) { | ||||
12006 | case OMPD_target_parallel: | ||||
12007 | case OMPD_target_parallel_for: | ||||
12008 | case OMPD_target_parallel_for_simd: | ||||
12009 | CaptureRegion = OMPD_target; | ||||
12010 | break; | ||||
12011 | case OMPD_teams_distribute_parallel_for: | ||||
12012 | case OMPD_teams_distribute_parallel_for_simd: | ||||
12013 | case OMPD_target_teams_distribute_parallel_for: | ||||
12014 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
12015 | CaptureRegion = OMPD_teams; | ||||
12016 | break; | ||||
12017 | case OMPD_parallel: | ||||
12018 | case OMPD_parallel_master: | ||||
12019 | case OMPD_parallel_sections: | ||||
12020 | case OMPD_parallel_for: | ||||
12021 | case OMPD_parallel_for_simd: | ||||
12022 | case OMPD_distribute_parallel_for: | ||||
12023 | case OMPD_distribute_parallel_for_simd: | ||||
12024 | case OMPD_parallel_master_taskloop: | ||||
12025 | case OMPD_parallel_master_taskloop_simd: | ||||
12026 | // Do not capture num_threads-clause expressions. | ||||
12027 | break; | ||||
12028 | case OMPD_target_data: | ||||
12029 | case OMPD_target_enter_data: | ||||
12030 | case OMPD_target_exit_data: | ||||
12031 | case OMPD_target_update: | ||||
12032 | case OMPD_target: | ||||
12033 | case OMPD_target_simd: | ||||
12034 | case OMPD_target_teams: | ||||
12035 | case OMPD_target_teams_distribute: | ||||
12036 | case OMPD_target_teams_distribute_simd: | ||||
12037 | case OMPD_cancel: | ||||
12038 | case OMPD_task: | ||||
12039 | case OMPD_taskloop: | ||||
12040 | case OMPD_taskloop_simd: | ||||
12041 | case OMPD_master_taskloop: | ||||
12042 | case OMPD_master_taskloop_simd: | ||||
12043 | case OMPD_threadprivate: | ||||
12044 | case OMPD_allocate: | ||||
12045 | case OMPD_taskyield: | ||||
12046 | case OMPD_barrier: | ||||
12047 | case OMPD_taskwait: | ||||
12048 | case OMPD_cancellation_point: | ||||
12049 | case OMPD_flush: | ||||
12050 | case OMPD_depobj: | ||||
12051 | case OMPD_scan: | ||||
12052 | case OMPD_declare_reduction: | ||||
12053 | case OMPD_declare_mapper: | ||||
12054 | case OMPD_declare_simd: | ||||
12055 | case OMPD_declare_variant: | ||||
12056 | case OMPD_begin_declare_variant: | ||||
12057 | case OMPD_end_declare_variant: | ||||
12058 | case OMPD_declare_target: | ||||
12059 | case OMPD_end_declare_target: | ||||
12060 | case OMPD_teams: | ||||
12061 | case OMPD_simd: | ||||
12062 | case OMPD_for: | ||||
12063 | case OMPD_for_simd: | ||||
12064 | case OMPD_sections: | ||||
12065 | case OMPD_section: | ||||
12066 | case OMPD_single: | ||||
12067 | case OMPD_master: | ||||
12068 | case OMPD_critical: | ||||
12069 | case OMPD_taskgroup: | ||||
12070 | case OMPD_distribute: | ||||
12071 | case OMPD_ordered: | ||||
12072 | case OMPD_atomic: | ||||
12073 | case OMPD_distribute_simd: | ||||
12074 | case OMPD_teams_distribute: | ||||
12075 | case OMPD_teams_distribute_simd: | ||||
12076 | case OMPD_requires: | ||||
12077 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_threads-clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12077); | ||||
12078 | case OMPD_unknown: | ||||
12079 | default: | ||||
12080 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12080); | ||||
12081 | } | ||||
12082 | break; | ||||
12083 | case OMPC_num_teams: | ||||
12084 | switch (DKind) { | ||||
12085 | case OMPD_target_teams: | ||||
12086 | case OMPD_target_teams_distribute: | ||||
12087 | case OMPD_target_teams_distribute_simd: | ||||
12088 | case OMPD_target_teams_distribute_parallel_for: | ||||
12089 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
12090 | CaptureRegion = OMPD_target; | ||||
12091 | break; | ||||
12092 | case OMPD_teams_distribute_parallel_for: | ||||
12093 | case OMPD_teams_distribute_parallel_for_simd: | ||||
12094 | case OMPD_teams: | ||||
12095 | case OMPD_teams_distribute: | ||||
12096 | case OMPD_teams_distribute_simd: | ||||
12097 | // Do not capture num_teams-clause expressions. | ||||
12098 | break; | ||||
12099 | case OMPD_distribute_parallel_for: | ||||
12100 | case OMPD_distribute_parallel_for_simd: | ||||
12101 | case OMPD_task: | ||||
12102 | case OMPD_taskloop: | ||||
12103 | case OMPD_taskloop_simd: | ||||
12104 | case OMPD_master_taskloop: | ||||
12105 | case OMPD_master_taskloop_simd: | ||||
12106 | case OMPD_parallel_master_taskloop: | ||||
12107 | case OMPD_parallel_master_taskloop_simd: | ||||
12108 | case OMPD_target_data: | ||||
12109 | case OMPD_target_enter_data: | ||||
12110 | case OMPD_target_exit_data: | ||||
12111 | case OMPD_target_update: | ||||
12112 | case OMPD_cancel: | ||||
12113 | case OMPD_parallel: | ||||
12114 | case OMPD_parallel_master: | ||||
12115 | case OMPD_parallel_sections: | ||||
12116 | case OMPD_parallel_for: | ||||
12117 | case OMPD_parallel_for_simd: | ||||
12118 | case OMPD_target: | ||||
12119 | case OMPD_target_simd: | ||||
12120 | case OMPD_target_parallel: | ||||
12121 | case OMPD_target_parallel_for: | ||||
12122 | case OMPD_target_parallel_for_simd: | ||||
12123 | case OMPD_threadprivate: | ||||
12124 | case OMPD_allocate: | ||||
12125 | case OMPD_taskyield: | ||||
12126 | case OMPD_barrier: | ||||
12127 | case OMPD_taskwait: | ||||
12128 | case OMPD_cancellation_point: | ||||
12129 | case OMPD_flush: | ||||
12130 | case OMPD_depobj: | ||||
12131 | case OMPD_scan: | ||||
12132 | case OMPD_declare_reduction: | ||||
12133 | case OMPD_declare_mapper: | ||||
12134 | case OMPD_declare_simd: | ||||
12135 | case OMPD_declare_variant: | ||||
12136 | case OMPD_begin_declare_variant: | ||||
12137 | case OMPD_end_declare_variant: | ||||
12138 | case OMPD_declare_target: | ||||
12139 | case OMPD_end_declare_target: | ||||
12140 | case OMPD_simd: | ||||
12141 | case OMPD_for: | ||||
12142 | case OMPD_for_simd: | ||||
12143 | case OMPD_sections: | ||||
12144 | case OMPD_section: | ||||
12145 | case OMPD_single: | ||||
12146 | case OMPD_master: | ||||
12147 | case OMPD_critical: | ||||
12148 | case OMPD_taskgroup: | ||||
12149 | case OMPD_distribute: | ||||
12150 | case OMPD_ordered: | ||||
12151 | case OMPD_atomic: | ||||
12152 | case OMPD_distribute_simd: | ||||
12153 | case OMPD_requires: | ||||
12154 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12154); | ||||
12155 | case OMPD_unknown: | ||||
12156 | default: | ||||
12157 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12157); | ||||
12158 | } | ||||
12159 | break; | ||||
12160 | case OMPC_thread_limit: | ||||
12161 | switch (DKind) { | ||||
12162 | case OMPD_target_teams: | ||||
12163 | case OMPD_target_teams_distribute: | ||||
12164 | case OMPD_target_teams_distribute_simd: | ||||
12165 | case OMPD_target_teams_distribute_parallel_for: | ||||
12166 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
12167 | CaptureRegion = OMPD_target; | ||||
12168 | break; | ||||
12169 | case OMPD_teams_distribute_parallel_for: | ||||
12170 | case OMPD_teams_distribute_parallel_for_simd: | ||||
12171 | case OMPD_teams: | ||||
12172 | case OMPD_teams_distribute: | ||||
12173 | case OMPD_teams_distribute_simd: | ||||
12174 | // Do not capture thread_limit-clause expressions. | ||||
12175 | break; | ||||
12176 | case OMPD_distribute_parallel_for: | ||||
12177 | case OMPD_distribute_parallel_for_simd: | ||||
12178 | case OMPD_task: | ||||
12179 | case OMPD_taskloop: | ||||
12180 | case OMPD_taskloop_simd: | ||||
12181 | case OMPD_master_taskloop: | ||||
12182 | case OMPD_master_taskloop_simd: | ||||
12183 | case OMPD_parallel_master_taskloop: | ||||
12184 | case OMPD_parallel_master_taskloop_simd: | ||||
12185 | case OMPD_target_data: | ||||
12186 | case OMPD_target_enter_data: | ||||
12187 | case OMPD_target_exit_data: | ||||
12188 | case OMPD_target_update: | ||||
12189 | case OMPD_cancel: | ||||
12190 | case OMPD_parallel: | ||||
12191 | case OMPD_parallel_master: | ||||
12192 | case OMPD_parallel_sections: | ||||
12193 | case OMPD_parallel_for: | ||||
12194 | case OMPD_parallel_for_simd: | ||||
12195 | case OMPD_target: | ||||
12196 | case OMPD_target_simd: | ||||
12197 | case OMPD_target_parallel: | ||||
12198 | case OMPD_target_parallel_for: | ||||
12199 | case OMPD_target_parallel_for_simd: | ||||
12200 | case OMPD_threadprivate: | ||||
12201 | case OMPD_allocate: | ||||
12202 | case OMPD_taskyield: | ||||
12203 | case OMPD_barrier: | ||||
12204 | case OMPD_taskwait: | ||||
12205 | case OMPD_cancellation_point: | ||||
12206 | case OMPD_flush: | ||||
12207 | case OMPD_depobj: | ||||
12208 | case OMPD_scan: | ||||
12209 | case OMPD_declare_reduction: | ||||
12210 | case OMPD_declare_mapper: | ||||
12211 | case OMPD_declare_simd: | ||||
12212 | case OMPD_declare_variant: | ||||
12213 | case OMPD_begin_declare_variant: | ||||
12214 | case OMPD_end_declare_variant: | ||||
12215 | case OMPD_declare_target: | ||||
12216 | case OMPD_end_declare_target: | ||||
12217 | case OMPD_simd: | ||||
12218 | case OMPD_for: | ||||
12219 | case OMPD_for_simd: | ||||
12220 | case OMPD_sections: | ||||
12221 | case OMPD_section: | ||||
12222 | case OMPD_single: | ||||
12223 | case OMPD_master: | ||||
12224 | case OMPD_critical: | ||||
12225 | case OMPD_taskgroup: | ||||
12226 | case OMPD_distribute: | ||||
12227 | case OMPD_ordered: | ||||
12228 | case OMPD_atomic: | ||||
12229 | case OMPD_distribute_simd: | ||||
12230 | case OMPD_requires: | ||||
12231 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with thread_limit-clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12231); | ||||
12232 | case OMPD_unknown: | ||||
12233 | default: | ||||
12234 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12234); | ||||
12235 | } | ||||
12236 | break; | ||||
12237 | case OMPC_schedule: | ||||
12238 | switch (DKind) { | ||||
12239 | case OMPD_parallel_for: | ||||
12240 | case OMPD_parallel_for_simd: | ||||
12241 | case OMPD_distribute_parallel_for: | ||||
12242 | case OMPD_distribute_parallel_for_simd: | ||||
12243 | case OMPD_teams_distribute_parallel_for: | ||||
12244 | case OMPD_teams_distribute_parallel_for_simd: | ||||
12245 | case OMPD_target_parallel_for: | ||||
12246 | case OMPD_target_parallel_for_simd: | ||||
12247 | case OMPD_target_teams_distribute_parallel_for: | ||||
12248 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
12249 | CaptureRegion = OMPD_parallel; | ||||
12250 | break; | ||||
12251 | case OMPD_for: | ||||
12252 | case OMPD_for_simd: | ||||
12253 | // Do not capture schedule-clause expressions. | ||||
12254 | break; | ||||
12255 | case OMPD_task: | ||||
12256 | case OMPD_taskloop: | ||||
12257 | case OMPD_taskloop_simd: | ||||
12258 | case OMPD_master_taskloop: | ||||
12259 | case OMPD_master_taskloop_simd: | ||||
12260 | case OMPD_parallel_master_taskloop: | ||||
12261 | case OMPD_parallel_master_taskloop_simd: | ||||
12262 | case OMPD_target_data: | ||||
12263 | case OMPD_target_enter_data: | ||||
12264 | case OMPD_target_exit_data: | ||||
12265 | case OMPD_target_update: | ||||
12266 | case OMPD_teams: | ||||
12267 | case OMPD_teams_distribute: | ||||
12268 | case OMPD_teams_distribute_simd: | ||||
12269 | case OMPD_target_teams_distribute: | ||||
12270 | case OMPD_target_teams_distribute_simd: | ||||
12271 | case OMPD_target: | ||||
12272 | case OMPD_target_simd: | ||||
12273 | case OMPD_target_parallel: | ||||
12274 | case OMPD_cancel: | ||||
12275 | case OMPD_parallel: | ||||
12276 | case OMPD_parallel_master: | ||||
12277 | case OMPD_parallel_sections: | ||||
12278 | case OMPD_threadprivate: | ||||
12279 | case OMPD_allocate: | ||||
12280 | case OMPD_taskyield: | ||||
12281 | case OMPD_barrier: | ||||
12282 | case OMPD_taskwait: | ||||
12283 | case OMPD_cancellation_point: | ||||
12284 | case OMPD_flush: | ||||
12285 | case OMPD_depobj: | ||||
12286 | case OMPD_scan: | ||||
12287 | case OMPD_declare_reduction: | ||||
12288 | case OMPD_declare_mapper: | ||||
12289 | case OMPD_declare_simd: | ||||
12290 | case OMPD_declare_variant: | ||||
12291 | case OMPD_begin_declare_variant: | ||||
12292 | case OMPD_end_declare_variant: | ||||
12293 | case OMPD_declare_target: | ||||
12294 | case OMPD_end_declare_target: | ||||
12295 | case OMPD_simd: | ||||
12296 | case OMPD_sections: | ||||
12297 | case OMPD_section: | ||||
12298 | case OMPD_single: | ||||
12299 | case OMPD_master: | ||||
12300 | case OMPD_critical: | ||||
12301 | case OMPD_taskgroup: | ||||
12302 | case OMPD_distribute: | ||||
12303 | case OMPD_ordered: | ||||
12304 | case OMPD_atomic: | ||||
12305 | case OMPD_distribute_simd: | ||||
12306 | case OMPD_target_teams: | ||||
12307 | case OMPD_requires: | ||||
12308 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12308); | ||||
12309 | case OMPD_unknown: | ||||
12310 | default: | ||||
12311 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12311); | ||||
12312 | } | ||||
12313 | break; | ||||
12314 | case OMPC_dist_schedule: | ||||
12315 | switch (DKind) { | ||||
12316 | case OMPD_teams_distribute_parallel_for: | ||||
12317 | case OMPD_teams_distribute_parallel_for_simd: | ||||
12318 | case OMPD_teams_distribute: | ||||
12319 | case OMPD_teams_distribute_simd: | ||||
12320 | case OMPD_target_teams_distribute_parallel_for: | ||||
12321 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
12322 | case OMPD_target_teams_distribute: | ||||
12323 | case OMPD_target_teams_distribute_simd: | ||||
12324 | CaptureRegion = OMPD_teams; | ||||
12325 | break; | ||||
12326 | case OMPD_distribute_parallel_for: | ||||
12327 | case OMPD_distribute_parallel_for_simd: | ||||
12328 | case OMPD_distribute: | ||||
12329 | case OMPD_distribute_simd: | ||||
12330 | // Do not capture thread_limit-clause expressions. | ||||
12331 | break; | ||||
12332 | case OMPD_parallel_for: | ||||
12333 | case OMPD_parallel_for_simd: | ||||
12334 | case OMPD_target_parallel_for_simd: | ||||
12335 | case OMPD_target_parallel_for: | ||||
12336 | case OMPD_task: | ||||
12337 | case OMPD_taskloop: | ||||
12338 | case OMPD_taskloop_simd: | ||||
12339 | case OMPD_master_taskloop: | ||||
12340 | case OMPD_master_taskloop_simd: | ||||
12341 | case OMPD_parallel_master_taskloop: | ||||
12342 | case OMPD_parallel_master_taskloop_simd: | ||||
12343 | case OMPD_target_data: | ||||
12344 | case OMPD_target_enter_data: | ||||
12345 | case OMPD_target_exit_data: | ||||
12346 | case OMPD_target_update: | ||||
12347 | case OMPD_teams: | ||||
12348 | case OMPD_target: | ||||
12349 | case OMPD_target_simd: | ||||
12350 | case OMPD_target_parallel: | ||||
12351 | case OMPD_cancel: | ||||
12352 | case OMPD_parallel: | ||||
12353 | case OMPD_parallel_master: | ||||
12354 | case OMPD_parallel_sections: | ||||
12355 | case OMPD_threadprivate: | ||||
12356 | case OMPD_allocate: | ||||
12357 | case OMPD_taskyield: | ||||
12358 | case OMPD_barrier: | ||||
12359 | case OMPD_taskwait: | ||||
12360 | case OMPD_cancellation_point: | ||||
12361 | case OMPD_flush: | ||||
12362 | case OMPD_depobj: | ||||
12363 | case OMPD_scan: | ||||
12364 | case OMPD_declare_reduction: | ||||
12365 | case OMPD_declare_mapper: | ||||
12366 | case OMPD_declare_simd: | ||||
12367 | case OMPD_declare_variant: | ||||
12368 | case OMPD_begin_declare_variant: | ||||
12369 | case OMPD_end_declare_variant: | ||||
12370 | case OMPD_declare_target: | ||||
12371 | case OMPD_end_declare_target: | ||||
12372 | case OMPD_simd: | ||||
12373 | case OMPD_for: | ||||
12374 | case OMPD_for_simd: | ||||
12375 | case OMPD_sections: | ||||
12376 | case OMPD_section: | ||||
12377 | case OMPD_single: | ||||
12378 | case OMPD_master: | ||||
12379 | case OMPD_critical: | ||||
12380 | case OMPD_taskgroup: | ||||
12381 | case OMPD_ordered: | ||||
12382 | case OMPD_atomic: | ||||
12383 | case OMPD_target_teams: | ||||
12384 | case OMPD_requires: | ||||
12385 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12385); | ||||
12386 | case OMPD_unknown: | ||||
12387 | default: | ||||
12388 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12388); | ||||
12389 | } | ||||
12390 | break; | ||||
12391 | case OMPC_device: | ||||
12392 | switch (DKind) { | ||||
12393 | case OMPD_target_update: | ||||
12394 | case OMPD_target_enter_data: | ||||
12395 | case OMPD_target_exit_data: | ||||
12396 | case OMPD_target: | ||||
12397 | case OMPD_target_simd: | ||||
12398 | case OMPD_target_teams: | ||||
12399 | case OMPD_target_parallel: | ||||
12400 | case OMPD_target_teams_distribute: | ||||
12401 | case OMPD_target_teams_distribute_simd: | ||||
12402 | case OMPD_target_parallel_for: | ||||
12403 | case OMPD_target_parallel_for_simd: | ||||
12404 | case OMPD_target_teams_distribute_parallel_for: | ||||
12405 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
12406 | CaptureRegion = OMPD_task; | ||||
12407 | break; | ||||
12408 | case OMPD_target_data: | ||||
12409 | // Do not capture device-clause expressions. | ||||
12410 | break; | ||||
12411 | case OMPD_teams_distribute_parallel_for: | ||||
12412 | case OMPD_teams_distribute_parallel_for_simd: | ||||
12413 | case OMPD_teams: | ||||
12414 | case OMPD_teams_distribute: | ||||
12415 | case OMPD_teams_distribute_simd: | ||||
12416 | case OMPD_distribute_parallel_for: | ||||
12417 | case OMPD_distribute_parallel_for_simd: | ||||
12418 | case OMPD_task: | ||||
12419 | case OMPD_taskloop: | ||||
12420 | case OMPD_taskloop_simd: | ||||
12421 | case OMPD_master_taskloop: | ||||
12422 | case OMPD_master_taskloop_simd: | ||||
12423 | case OMPD_parallel_master_taskloop: | ||||
12424 | case OMPD_parallel_master_taskloop_simd: | ||||
12425 | case OMPD_cancel: | ||||
12426 | case OMPD_parallel: | ||||
12427 | case OMPD_parallel_master: | ||||
12428 | case OMPD_parallel_sections: | ||||
12429 | case OMPD_parallel_for: | ||||
12430 | case OMPD_parallel_for_simd: | ||||
12431 | case OMPD_threadprivate: | ||||
12432 | case OMPD_allocate: | ||||
12433 | case OMPD_taskyield: | ||||
12434 | case OMPD_barrier: | ||||
12435 | case OMPD_taskwait: | ||||
12436 | case OMPD_cancellation_point: | ||||
12437 | case OMPD_flush: | ||||
12438 | case OMPD_depobj: | ||||
12439 | case OMPD_scan: | ||||
12440 | case OMPD_declare_reduction: | ||||
12441 | case OMPD_declare_mapper: | ||||
12442 | case OMPD_declare_simd: | ||||
12443 | case OMPD_declare_variant: | ||||
12444 | case OMPD_begin_declare_variant: | ||||
12445 | case OMPD_end_declare_variant: | ||||
12446 | case OMPD_declare_target: | ||||
12447 | case OMPD_end_declare_target: | ||||
12448 | case OMPD_simd: | ||||
12449 | case OMPD_for: | ||||
12450 | case OMPD_for_simd: | ||||
12451 | case OMPD_sections: | ||||
12452 | case OMPD_section: | ||||
12453 | case OMPD_single: | ||||
12454 | case OMPD_master: | ||||
12455 | case OMPD_critical: | ||||
12456 | case OMPD_taskgroup: | ||||
12457 | case OMPD_distribute: | ||||
12458 | case OMPD_ordered: | ||||
12459 | case OMPD_atomic: | ||||
12460 | case OMPD_distribute_simd: | ||||
12461 | case OMPD_requires: | ||||
12462 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12462); | ||||
12463 | case OMPD_unknown: | ||||
12464 | default: | ||||
12465 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12465); | ||||
12466 | } | ||||
12467 | break; | ||||
12468 | case OMPC_grainsize: | ||||
12469 | case OMPC_num_tasks: | ||||
12470 | case OMPC_final: | ||||
12471 | case OMPC_priority: | ||||
12472 | switch (DKind) { | ||||
12473 | case OMPD_task: | ||||
12474 | case OMPD_taskloop: | ||||
12475 | case OMPD_taskloop_simd: | ||||
12476 | case OMPD_master_taskloop: | ||||
12477 | case OMPD_master_taskloop_simd: | ||||
12478 | break; | ||||
12479 | case OMPD_parallel_master_taskloop: | ||||
12480 | case OMPD_parallel_master_taskloop_simd: | ||||
12481 | CaptureRegion = OMPD_parallel; | ||||
12482 | break; | ||||
12483 | case OMPD_target_update: | ||||
12484 | case OMPD_target_enter_data: | ||||
12485 | case OMPD_target_exit_data: | ||||
12486 | case OMPD_target: | ||||
12487 | case OMPD_target_simd: | ||||
12488 | case OMPD_target_teams: | ||||
12489 | case OMPD_target_parallel: | ||||
12490 | case OMPD_target_teams_distribute: | ||||
12491 | case OMPD_target_teams_distribute_simd: | ||||
12492 | case OMPD_target_parallel_for: | ||||
12493 | case OMPD_target_parallel_for_simd: | ||||
12494 | case OMPD_target_teams_distribute_parallel_for: | ||||
12495 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
12496 | case OMPD_target_data: | ||||
12497 | case OMPD_teams_distribute_parallel_for: | ||||
12498 | case OMPD_teams_distribute_parallel_for_simd: | ||||
12499 | case OMPD_teams: | ||||
12500 | case OMPD_teams_distribute: | ||||
12501 | case OMPD_teams_distribute_simd: | ||||
12502 | case OMPD_distribute_parallel_for: | ||||
12503 | case OMPD_distribute_parallel_for_simd: | ||||
12504 | case OMPD_cancel: | ||||
12505 | case OMPD_parallel: | ||||
12506 | case OMPD_parallel_master: | ||||
12507 | case OMPD_parallel_sections: | ||||
12508 | case OMPD_parallel_for: | ||||
12509 | case OMPD_parallel_for_simd: | ||||
12510 | case OMPD_threadprivate: | ||||
12511 | case OMPD_allocate: | ||||
12512 | case OMPD_taskyield: | ||||
12513 | case OMPD_barrier: | ||||
12514 | case OMPD_taskwait: | ||||
12515 | case OMPD_cancellation_point: | ||||
12516 | case OMPD_flush: | ||||
12517 | case OMPD_depobj: | ||||
12518 | case OMPD_scan: | ||||
12519 | case OMPD_declare_reduction: | ||||
12520 | case OMPD_declare_mapper: | ||||
12521 | case OMPD_declare_simd: | ||||
12522 | case OMPD_declare_variant: | ||||
12523 | case OMPD_begin_declare_variant: | ||||
12524 | case OMPD_end_declare_variant: | ||||
12525 | case OMPD_declare_target: | ||||
12526 | case OMPD_end_declare_target: | ||||
12527 | case OMPD_simd: | ||||
12528 | case OMPD_for: | ||||
12529 | case OMPD_for_simd: | ||||
12530 | case OMPD_sections: | ||||
12531 | case OMPD_section: | ||||
12532 | case OMPD_single: | ||||
12533 | case OMPD_master: | ||||
12534 | case OMPD_critical: | ||||
12535 | case OMPD_taskgroup: | ||||
12536 | case OMPD_distribute: | ||||
12537 | case OMPD_ordered: | ||||
12538 | case OMPD_atomic: | ||||
12539 | case OMPD_distribute_simd: | ||||
12540 | case OMPD_requires: | ||||
12541 | llvm_unreachable("Unexpected OpenMP directive with grainsize-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with grainsize-clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12541); | ||||
12542 | case OMPD_unknown: | ||||
12543 | default: | ||||
12544 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12544); | ||||
12545 | } | ||||
12546 | break; | ||||
12547 | case OMPC_firstprivate: | ||||
12548 | case OMPC_lastprivate: | ||||
12549 | case OMPC_reduction: | ||||
12550 | case OMPC_task_reduction: | ||||
12551 | case OMPC_in_reduction: | ||||
12552 | case OMPC_linear: | ||||
12553 | case OMPC_default: | ||||
12554 | case OMPC_proc_bind: | ||||
12555 | case OMPC_safelen: | ||||
12556 | case OMPC_simdlen: | ||||
12557 | case OMPC_allocator: | ||||
12558 | case OMPC_collapse: | ||||
12559 | case OMPC_private: | ||||
12560 | case OMPC_shared: | ||||
12561 | case OMPC_aligned: | ||||
12562 | case OMPC_copyin: | ||||
12563 | case OMPC_copyprivate: | ||||
12564 | case OMPC_ordered: | ||||
12565 | case OMPC_nowait: | ||||
12566 | case OMPC_untied: | ||||
12567 | case OMPC_mergeable: | ||||
12568 | case OMPC_threadprivate: | ||||
12569 | case OMPC_allocate: | ||||
12570 | case OMPC_flush: | ||||
12571 | case OMPC_depobj: | ||||
12572 | case OMPC_read: | ||||
12573 | case OMPC_write: | ||||
12574 | case OMPC_update: | ||||
12575 | case OMPC_capture: | ||||
12576 | case OMPC_seq_cst: | ||||
12577 | case OMPC_acq_rel: | ||||
12578 | case OMPC_acquire: | ||||
12579 | case OMPC_release: | ||||
12580 | case OMPC_relaxed: | ||||
12581 | case OMPC_depend: | ||||
12582 | case OMPC_threads: | ||||
12583 | case OMPC_simd: | ||||
12584 | case OMPC_map: | ||||
12585 | case OMPC_nogroup: | ||||
12586 | case OMPC_hint: | ||||
12587 | case OMPC_defaultmap: | ||||
12588 | case OMPC_unknown: | ||||
12589 | case OMPC_uniform: | ||||
12590 | case OMPC_to: | ||||
12591 | case OMPC_from: | ||||
12592 | case OMPC_use_device_ptr: | ||||
12593 | case OMPC_use_device_addr: | ||||
12594 | case OMPC_is_device_ptr: | ||||
12595 | case OMPC_unified_address: | ||||
12596 | case OMPC_unified_shared_memory: | ||||
12597 | case OMPC_reverse_offload: | ||||
12598 | case OMPC_dynamic_allocators: | ||||
12599 | case OMPC_atomic_default_mem_order: | ||||
12600 | case OMPC_device_type: | ||||
12601 | case OMPC_match: | ||||
12602 | case OMPC_nontemporal: | ||||
12603 | case OMPC_order: | ||||
12604 | case OMPC_destroy: | ||||
12605 | case OMPC_detach: | ||||
12606 | case OMPC_inclusive: | ||||
12607 | case OMPC_exclusive: | ||||
12608 | case OMPC_uses_allocators: | ||||
12609 | case OMPC_affinity: | ||||
12610 | default: | ||||
12611 | llvm_unreachable("Unexpected OpenMP clause.")::llvm::llvm_unreachable_internal("Unexpected OpenMP clause." , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12611); | ||||
12612 | } | ||||
12613 | return CaptureRegion; | ||||
12614 | } | ||||
12615 | |||||
12616 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, | ||||
12617 | Expr *Condition, SourceLocation StartLoc, | ||||
12618 | SourceLocation LParenLoc, | ||||
12619 | SourceLocation NameModifierLoc, | ||||
12620 | SourceLocation ColonLoc, | ||||
12621 | SourceLocation EndLoc) { | ||||
12622 | Expr *ValExpr = Condition; | ||||
12623 | Stmt *HelperValStmt = nullptr; | ||||
12624 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
12625 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||
12626 | !Condition->isInstantiationDependent() && | ||||
12627 | !Condition->containsUnexpandedParameterPack()) { | ||||
12628 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||
12629 | if (Val.isInvalid()) | ||||
12630 | return nullptr; | ||||
12631 | |||||
12632 | ValExpr = Val.get(); | ||||
12633 | |||||
12634 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
12635 | CaptureRegion = getOpenMPCaptureRegionForClause( | ||||
12636 | DKind, OMPC_if, LangOpts.OpenMP, NameModifier); | ||||
12637 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
12638 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
12639 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
12640 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
12641 | HelperValStmt = buildPreInits(Context, Captures); | ||||
12642 | } | ||||
12643 | } | ||||
12644 | |||||
12645 | return new (Context) | ||||
12646 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | ||||
12647 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); | ||||
12648 | } | ||||
12649 | |||||
12650 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, | ||||
12651 | SourceLocation StartLoc, | ||||
12652 | SourceLocation LParenLoc, | ||||
12653 | SourceLocation EndLoc) { | ||||
12654 | Expr *ValExpr = Condition; | ||||
12655 | Stmt *HelperValStmt = nullptr; | ||||
12656 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
12657 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||
12658 | !Condition->isInstantiationDependent() && | ||||
12659 | !Condition->containsUnexpandedParameterPack()) { | ||||
12660 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||
12661 | if (Val.isInvalid()) | ||||
12662 | return nullptr; | ||||
12663 | |||||
12664 | ValExpr = MakeFullExpr(Val.get()).get(); | ||||
12665 | |||||
12666 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
12667 | CaptureRegion = | ||||
12668 | getOpenMPCaptureRegionForClause(DKind, OMPC_final, LangOpts.OpenMP); | ||||
12669 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
12670 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
12671 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
12672 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
12673 | HelperValStmt = buildPreInits(Context, Captures); | ||||
12674 | } | ||||
12675 | } | ||||
12676 | |||||
12677 | return new (Context) OMPFinalClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
12678 | StartLoc, LParenLoc, EndLoc); | ||||
12679 | } | ||||
12680 | |||||
12681 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, | ||||
12682 | Expr *Op) { | ||||
12683 | if (!Op) | ||||
12684 | return ExprError(); | ||||
12685 | |||||
12686 | class IntConvertDiagnoser : public ICEConvertDiagnoser { | ||||
12687 | public: | ||||
12688 | IntConvertDiagnoser() | ||||
12689 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} | ||||
12690 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, | ||||
12691 | QualType T) override { | ||||
12692 | return S.Diag(Loc, diag::err_omp_not_integral) << T; | ||||
12693 | } | ||||
12694 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, | ||||
12695 | QualType T) override { | ||||
12696 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; | ||||
12697 | } | ||||
12698 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, | ||||
12699 | QualType T, | ||||
12700 | QualType ConvTy) override { | ||||
12701 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; | ||||
12702 | } | ||||
12703 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, | ||||
12704 | QualType ConvTy) override { | ||||
12705 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | ||||
12706 | << ConvTy->isEnumeralType() << ConvTy; | ||||
12707 | } | ||||
12708 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, | ||||
12709 | QualType T) override { | ||||
12710 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; | ||||
12711 | } | ||||
12712 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, | ||||
12713 | QualType ConvTy) override { | ||||
12714 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | ||||
12715 | << ConvTy->isEnumeralType() << ConvTy; | ||||
12716 | } | ||||
12717 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, | ||||
12718 | QualType) override { | ||||
12719 | llvm_unreachable("conversion functions are permitted")::llvm::llvm_unreachable_internal("conversion functions are permitted" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 12719); | ||||
12720 | } | ||||
12721 | } ConvertDiagnoser; | ||||
12722 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); | ||||
12723 | } | ||||
12724 | |||||
12725 | static bool | ||||
12726 | isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, | ||||
12727 | bool StrictlyPositive, bool BuildCapture = false, | ||||
12728 | OpenMPDirectiveKind DKind = OMPD_unknown, | ||||
12729 | OpenMPDirectiveKind *CaptureRegion = nullptr, | ||||
12730 | Stmt **HelperValStmt = nullptr) { | ||||
12731 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && | ||||
12732 | !ValExpr->isInstantiationDependent()) { | ||||
12733 | SourceLocation Loc = ValExpr->getExprLoc(); | ||||
12734 | ExprResult Value = | ||||
12735 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); | ||||
12736 | if (Value.isInvalid()) | ||||
12737 | return false; | ||||
12738 | |||||
12739 | ValExpr = Value.get(); | ||||
12740 | // The expression must evaluate to a non-negative integer value. | ||||
12741 | if (Optional<llvm::APSInt> Result = | ||||
12742 | ValExpr->getIntegerConstantExpr(SemaRef.Context)) { | ||||
12743 | if (Result->isSigned() && | ||||
12744 | !((!StrictlyPositive && Result->isNonNegative()) || | ||||
12745 | (StrictlyPositive && Result->isStrictlyPositive()))) { | ||||
12746 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) | ||||
12747 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | ||||
12748 | << ValExpr->getSourceRange(); | ||||
12749 | return false; | ||||
12750 | } | ||||
12751 | } | ||||
12752 | if (!BuildCapture) | ||||
12753 | return true; | ||||
12754 | *CaptureRegion = | ||||
12755 | getOpenMPCaptureRegionForClause(DKind, CKind, SemaRef.LangOpts.OpenMP); | ||||
12756 | if (*CaptureRegion != OMPD_unknown && | ||||
12757 | !SemaRef.CurContext->isDependentContext()) { | ||||
12758 | ValExpr = SemaRef.MakeFullExpr(ValExpr).get(); | ||||
12759 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
12760 | ValExpr = tryBuildCapture(SemaRef, ValExpr, Captures).get(); | ||||
12761 | *HelperValStmt = buildPreInits(SemaRef.Context, Captures); | ||||
12762 | } | ||||
12763 | } | ||||
12764 | return true; | ||||
12765 | } | ||||
12766 | |||||
12767 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, | ||||
12768 | SourceLocation StartLoc, | ||||
12769 | SourceLocation LParenLoc, | ||||
12770 | SourceLocation EndLoc) { | ||||
12771 | Expr *ValExpr = NumThreads; | ||||
12772 | Stmt *HelperValStmt = nullptr; | ||||
12773 | |||||
12774 | // OpenMP [2.5, Restrictions] | ||||
12775 | // The num_threads expression must evaluate to a positive integer value. | ||||
12776 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, | ||||
12777 | /*StrictlyPositive=*/true)) | ||||
12778 | return nullptr; | ||||
12779 | |||||
12780 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
12781 | OpenMPDirectiveKind CaptureRegion = | ||||
12782 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads, LangOpts.OpenMP); | ||||
12783 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
12784 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
12785 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
12786 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
12787 | HelperValStmt = buildPreInits(Context, Captures); | ||||
12788 | } | ||||
12789 | |||||
12790 | return new (Context) OMPNumThreadsClause( | ||||
12791 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | ||||
12792 | } | ||||
12793 | |||||
12794 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, | ||||
12795 | OpenMPClauseKind CKind, | ||||
12796 | bool StrictlyPositive) { | ||||
12797 | if (!E) | ||||
12798 | return ExprError(); | ||||
12799 | if (E->isValueDependent() || E->isTypeDependent() || | ||||
12800 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | ||||
12801 | return E; | ||||
12802 | llvm::APSInt Result; | ||||
12803 | ExprResult ICE = VerifyIntegerConstantExpression(E, &Result); | ||||
12804 | if (ICE.isInvalid()) | ||||
12805 | return ExprError(); | ||||
12806 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || | ||||
12807 | (!StrictlyPositive && !Result.isNonNegative())) { | ||||
12808 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) | ||||
12809 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | ||||
12810 | << E->getSourceRange(); | ||||
12811 | return ExprError(); | ||||
12812 | } | ||||
12813 | if (CKind == OMPC_aligned && !Result.isPowerOf2()) { | ||||
12814 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) | ||||
12815 | << E->getSourceRange(); | ||||
12816 | return ExprError(); | ||||
12817 | } | ||||
12818 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) | ||||
12819 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | ||||
12820 | else if (CKind == OMPC_ordered) | ||||
12821 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | ||||
12822 | return ICE; | ||||
12823 | } | ||||
12824 | |||||
12825 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, | ||||
12826 | SourceLocation LParenLoc, | ||||
12827 | SourceLocation EndLoc) { | ||||
12828 | // OpenMP [2.8.1, simd construct, Description] | ||||
12829 | // The parameter of the safelen clause must be a constant | ||||
12830 | // positive integer expression. | ||||
12831 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); | ||||
12832 | if (Safelen.isInvalid()) | ||||
12833 | return nullptr; | ||||
12834 | return new (Context) | ||||
12835 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); | ||||
12836 | } | ||||
12837 | |||||
12838 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, | ||||
12839 | SourceLocation LParenLoc, | ||||
12840 | SourceLocation EndLoc) { | ||||
12841 | // OpenMP [2.8.1, simd construct, Description] | ||||
12842 | // The parameter of the simdlen clause must be a constant | ||||
12843 | // positive integer expression. | ||||
12844 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); | ||||
12845 | if (Simdlen.isInvalid()) | ||||
12846 | return nullptr; | ||||
12847 | return new (Context) | ||||
12848 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); | ||||
12849 | } | ||||
12850 | |||||
12851 | /// Tries to find omp_allocator_handle_t type. | ||||
12852 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, | ||||
12853 | DSAStackTy *Stack) { | ||||
12854 | QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); | ||||
12855 | if (!OMPAllocatorHandleT.isNull()) | ||||
12856 | return true; | ||||
12857 | // Build the predefined allocator expressions. | ||||
12858 | bool ErrorFound = false; | ||||
12859 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||
12860 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||
12861 | StringRef Allocator = | ||||
12862 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | ||||
12863 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); | ||||
12864 | auto *VD = dyn_cast_or_null<ValueDecl>( | ||||
12865 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); | ||||
12866 | if (!VD) { | ||||
12867 | ErrorFound = true; | ||||
12868 | break; | ||||
12869 | } | ||||
12870 | QualType AllocatorType = | ||||
12871 | VD->getType().getNonLValueExprType(S.getASTContext()); | ||||
12872 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); | ||||
12873 | if (!Res.isUsable()) { | ||||
12874 | ErrorFound = true; | ||||
12875 | break; | ||||
12876 | } | ||||
12877 | if (OMPAllocatorHandleT.isNull()) | ||||
12878 | OMPAllocatorHandleT = AllocatorType; | ||||
12879 | if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { | ||||
12880 | ErrorFound = true; | ||||
12881 | break; | ||||
12882 | } | ||||
12883 | Stack->setAllocator(AllocatorKind, Res.get()); | ||||
12884 | } | ||||
12885 | if (ErrorFound) { | ||||
12886 | S.Diag(Loc, diag::err_omp_implied_type_not_found) | ||||
12887 | << "omp_allocator_handle_t"; | ||||
12888 | return false; | ||||
12889 | } | ||||
12890 | OMPAllocatorHandleT.addConst(); | ||||
12891 | Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); | ||||
12892 | return true; | ||||
12893 | } | ||||
12894 | |||||
12895 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, | ||||
12896 | SourceLocation LParenLoc, | ||||
12897 | SourceLocation EndLoc) { | ||||
12898 | // OpenMP [2.11.3, allocate Directive, Description] | ||||
12899 | // allocator is an expression of omp_allocator_handle_t type. | ||||
12900 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
12901 | return nullptr; | ||||
12902 | |||||
12903 | ExprResult Allocator = DefaultLvalueConversion(A); | ||||
12904 | if (Allocator.isInvalid()) | ||||
12905 | return nullptr; | ||||
12906 | Allocator = PerformImplicitConversion(Allocator.get(), | ||||
12907 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||
12908 | Sema::AA_Initializing, | ||||
12909 | /*AllowExplicit=*/true); | ||||
12910 | if (Allocator.isInvalid()) | ||||
12911 | return nullptr; | ||||
12912 | return new (Context) | ||||
12913 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); | ||||
12914 | } | ||||
12915 | |||||
12916 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, | ||||
12917 | SourceLocation StartLoc, | ||||
12918 | SourceLocation LParenLoc, | ||||
12919 | SourceLocation EndLoc) { | ||||
12920 | // OpenMP [2.7.1, loop construct, Description] | ||||
12921 | // OpenMP [2.8.1, simd construct, Description] | ||||
12922 | // OpenMP [2.9.6, distribute construct, Description] | ||||
12923 | // The parameter of the collapse clause must be a constant | ||||
12924 | // positive integer expression. | ||||
12925 | ExprResult NumForLoopsResult = | ||||
12926 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); | ||||
12927 | if (NumForLoopsResult.isInvalid()) | ||||
12928 | return nullptr; | ||||
12929 | return new (Context) | ||||
12930 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); | ||||
12931 | } | ||||
12932 | |||||
12933 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, | ||||
12934 | SourceLocation EndLoc, | ||||
12935 | SourceLocation LParenLoc, | ||||
12936 | Expr *NumForLoops) { | ||||
12937 | // OpenMP [2.7.1, loop construct, Description] | ||||
12938 | // OpenMP [2.8.1, simd construct, Description] | ||||
12939 | // OpenMP [2.9.6, distribute construct, Description] | ||||
12940 | // The parameter of the ordered clause must be a constant | ||||
12941 | // positive integer expression if any. | ||||
12942 | if (NumForLoops && LParenLoc.isValid()) { | ||||
12943 | ExprResult NumForLoopsResult = | ||||
12944 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); | ||||
12945 | if (NumForLoopsResult.isInvalid()) | ||||
12946 | return nullptr; | ||||
12947 | NumForLoops = NumForLoopsResult.get(); | ||||
12948 | } else { | ||||
12949 | NumForLoops = nullptr; | ||||
12950 | } | ||||
12951 | auto *Clause = OMPOrderedClause::Create( | ||||
12952 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, | ||||
12953 | StartLoc, LParenLoc, EndLoc); | ||||
12954 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); | ||||
12955 | return Clause; | ||||
12956 | } | ||||
12957 | |||||
12958 | OMPClause *Sema::ActOnOpenMPSimpleClause( | ||||
12959 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, | ||||
12960 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
12961 | OMPClause *Res = nullptr; | ||||
12962 | switch (Kind) { | ||||
12963 | case OMPC_default: | ||||
12964 | Res = ActOnOpenMPDefaultClause(static_cast<DefaultKind>(Argument), | ||||
12965 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12966 | break; | ||||
12967 | case OMPC_proc_bind: | ||||
12968 | Res = ActOnOpenMPProcBindClause(static_cast<ProcBindKind>(Argument), | ||||
12969 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12970 | break; | ||||
12971 | case OMPC_atomic_default_mem_order: | ||||
12972 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( | ||||
12973 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), | ||||
12974 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12975 | break; | ||||
12976 | case OMPC_order: | ||||
12977 | Res = ActOnOpenMPOrderClause(static_cast<OpenMPOrderClauseKind>(Argument), | ||||
12978 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12979 | break; | ||||
12980 | case OMPC_update: | ||||
12981 | Res = ActOnOpenMPUpdateClause(static_cast<OpenMPDependClauseKind>(Argument), | ||||
12982 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12983 | break; | ||||
12984 | case OMPC_if: | ||||
12985 | case OMPC_final: | ||||
12986 | case OMPC_num_threads: | ||||
12987 | case OMPC_safelen: | ||||
12988 | case OMPC_simdlen: | ||||
12989 | case OMPC_allocator: | ||||
12990 | case OMPC_collapse: | ||||
12991 | case OMPC_schedule: | ||||
12992 | case OMPC_private: | ||||
12993 | case OMPC_firstprivate: | ||||
12994 | case OMPC_lastprivate: | ||||
12995 | case OMPC_shared: | ||||
12996 | case OMPC_reduction: | ||||
12997 | case OMPC_task_reduction: | ||||
12998 | case OMPC_in_reduction: | ||||
12999 | case OMPC_linear: | ||||
13000 | case OMPC_aligned: | ||||
13001 | case OMPC_copyin: | ||||
13002 | case OMPC_copyprivate: | ||||
13003 | case OMPC_ordered: | ||||
13004 | case OMPC_nowait: | ||||
13005 | case OMPC_untied: | ||||
13006 | case OMPC_mergeable: | ||||
13007 | case OMPC_threadprivate: | ||||
13008 | case OMPC_allocate: | ||||
13009 | case OMPC_flush: | ||||
13010 | case OMPC_depobj: | ||||
13011 | case OMPC_read: | ||||
13012 | case OMPC_write: | ||||
13013 | case OMPC_capture: | ||||
13014 | case OMPC_seq_cst: | ||||
13015 | case OMPC_acq_rel: | ||||
13016 | case OMPC_acquire: | ||||
13017 | case OMPC_release: | ||||
13018 | case OMPC_relaxed: | ||||
13019 | case OMPC_depend: | ||||
13020 | case OMPC_device: | ||||
13021 | case OMPC_threads: | ||||
13022 | case OMPC_simd: | ||||
13023 | case OMPC_map: | ||||
13024 | case OMPC_num_teams: | ||||
13025 | case OMPC_thread_limit: | ||||
13026 | case OMPC_priority: | ||||
13027 | case OMPC_grainsize: | ||||
13028 | case OMPC_nogroup: | ||||
13029 | case OMPC_num_tasks: | ||||
13030 | case OMPC_hint: | ||||
13031 | case OMPC_dist_schedule: | ||||
13032 | case OMPC_defaultmap: | ||||
13033 | case OMPC_unknown: | ||||
13034 | case OMPC_uniform: | ||||
13035 | case OMPC_to: | ||||
13036 | case OMPC_from: | ||||
13037 | case OMPC_use_device_ptr: | ||||
13038 | case OMPC_use_device_addr: | ||||
13039 | case OMPC_is_device_ptr: | ||||
13040 | case OMPC_unified_address: | ||||
13041 | case OMPC_unified_shared_memory: | ||||
13042 | case OMPC_reverse_offload: | ||||
13043 | case OMPC_dynamic_allocators: | ||||
13044 | case OMPC_device_type: | ||||
13045 | case OMPC_match: | ||||
13046 | case OMPC_nontemporal: | ||||
13047 | case OMPC_destroy: | ||||
13048 | case OMPC_detach: | ||||
13049 | case OMPC_inclusive: | ||||
13050 | case OMPC_exclusive: | ||||
13051 | case OMPC_uses_allocators: | ||||
13052 | case OMPC_affinity: | ||||
13053 | default: | ||||
13054 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13054); | ||||
13055 | } | ||||
13056 | return Res; | ||||
13057 | } | ||||
13058 | |||||
13059 | static std::string | ||||
13060 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, | ||||
13061 | ArrayRef<unsigned> Exclude = llvm::None) { | ||||
13062 | SmallString<256> Buffer; | ||||
13063 | llvm::raw_svector_ostream Out(Buffer); | ||||
13064 | unsigned Skipped = Exclude.size(); | ||||
13065 | auto S = Exclude.begin(), E = Exclude.end(); | ||||
13066 | for (unsigned I = First; I < Last; ++I) { | ||||
13067 | if (std::find(S, E, I) != E) { | ||||
13068 | --Skipped; | ||||
13069 | continue; | ||||
13070 | } | ||||
13071 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; | ||||
13072 | if (I + Skipped + 2 == Last) | ||||
13073 | Out << " or "; | ||||
13074 | else if (I + Skipped + 1 != Last) | ||||
13075 | Out << ", "; | ||||
13076 | } | ||||
13077 | return std::string(Out.str()); | ||||
13078 | } | ||||
13079 | |||||
13080 | OMPClause *Sema::ActOnOpenMPDefaultClause(DefaultKind Kind, | ||||
13081 | SourceLocation KindKwLoc, | ||||
13082 | SourceLocation StartLoc, | ||||
13083 | SourceLocation LParenLoc, | ||||
13084 | SourceLocation EndLoc) { | ||||
13085 | if (Kind == OMP_DEFAULT_unknown) { | ||||
13086 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
13087 | << getListOfPossibleValues(OMPC_default, /*First=*/0, | ||||
13088 | /*Last=*/unsigned(OMP_DEFAULT_unknown)) | ||||
13089 | << getOpenMPClauseName(OMPC_default); | ||||
13090 | return nullptr; | ||||
13091 | } | ||||
13092 | |||||
13093 | switch (Kind) { | ||||
13094 | case OMP_DEFAULT_none: | ||||
13095 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); | ||||
13096 | break; | ||||
13097 | case OMP_DEFAULT_shared: | ||||
13098 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); | ||||
13099 | break; | ||||
13100 | case OMP_DEFAULT_firstprivate: | ||||
13101 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAFirstPrivate(KindKwLoc); | ||||
13102 | break; | ||||
13103 | default: | ||||
13104 | llvm_unreachable("DSA unexpected in OpenMP default clause")::llvm::llvm_unreachable_internal("DSA unexpected in OpenMP default clause" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13104); | ||||
13105 | } | ||||
13106 | |||||
13107 | return new (Context) | ||||
13108 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||
13109 | } | ||||
13110 | |||||
13111 | OMPClause *Sema::ActOnOpenMPProcBindClause(ProcBindKind Kind, | ||||
13112 | SourceLocation KindKwLoc, | ||||
13113 | SourceLocation StartLoc, | ||||
13114 | SourceLocation LParenLoc, | ||||
13115 | SourceLocation EndLoc) { | ||||
13116 | if (Kind == OMP_PROC_BIND_unknown) { | ||||
13117 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
13118 | << getListOfPossibleValues(OMPC_proc_bind, | ||||
13119 | /*First=*/unsigned(OMP_PROC_BIND_master), | ||||
13120 | /*Last=*/5) | ||||
13121 | << getOpenMPClauseName(OMPC_proc_bind); | ||||
13122 | return nullptr; | ||||
13123 | } | ||||
13124 | return new (Context) | ||||
13125 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||
13126 | } | ||||
13127 | |||||
13128 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( | ||||
13129 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, | ||||
13130 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
13131 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { | ||||
13132 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
13133 | << getListOfPossibleValues( | ||||
13134 | OMPC_atomic_default_mem_order, /*First=*/0, | ||||
13135 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) | ||||
13136 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); | ||||
13137 | return nullptr; | ||||
13138 | } | ||||
13139 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, | ||||
13140 | LParenLoc, EndLoc); | ||||
13141 | } | ||||
13142 | |||||
13143 | OMPClause *Sema::ActOnOpenMPOrderClause(OpenMPOrderClauseKind Kind, | ||||
13144 | SourceLocation KindKwLoc, | ||||
13145 | SourceLocation StartLoc, | ||||
13146 | SourceLocation LParenLoc, | ||||
13147 | SourceLocation EndLoc) { | ||||
13148 | if (Kind == OMPC_ORDER_unknown) { | ||||
13149 | static_assert(OMPC_ORDER_unknown > 0, | ||||
13150 | "OMPC_ORDER_unknown not greater than 0"); | ||||
13151 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
13152 | << getListOfPossibleValues(OMPC_order, /*First=*/0, | ||||
13153 | /*Last=*/OMPC_ORDER_unknown) | ||||
13154 | << getOpenMPClauseName(OMPC_order); | ||||
13155 | return nullptr; | ||||
13156 | } | ||||
13157 | return new (Context) | ||||
13158 | OMPOrderClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||
13159 | } | ||||
13160 | |||||
13161 | OMPClause *Sema::ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, | ||||
13162 | SourceLocation KindKwLoc, | ||||
13163 | SourceLocation StartLoc, | ||||
13164 | SourceLocation LParenLoc, | ||||
13165 | SourceLocation EndLoc) { | ||||
13166 | if (Kind == OMPC_DEPEND_unknown || Kind == OMPC_DEPEND_source || | ||||
13167 | Kind == OMPC_DEPEND_sink || Kind == OMPC_DEPEND_depobj) { | ||||
13168 | unsigned Except[] = {OMPC_DEPEND_source, OMPC_DEPEND_sink, | ||||
13169 | OMPC_DEPEND_depobj}; | ||||
13170 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
13171 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, | ||||
13172 | /*Last=*/OMPC_DEPEND_unknown, Except) | ||||
13173 | << getOpenMPClauseName(OMPC_update); | ||||
13174 | return nullptr; | ||||
13175 | } | ||||
13176 | return OMPUpdateClause::Create(Context, StartLoc, LParenLoc, KindKwLoc, Kind, | ||||
13177 | EndLoc); | ||||
13178 | } | ||||
13179 | |||||
13180 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( | ||||
13181 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, | ||||
13182 | SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
13183 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, | ||||
13184 | SourceLocation EndLoc) { | ||||
13185 | OMPClause *Res = nullptr; | ||||
13186 | switch (Kind) { | ||||
13187 | case OMPC_schedule: | ||||
13188 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; | ||||
13189 | assert(Argument.size() == NumberOfElements &&((Argument.size() == NumberOfElements && ArgumentLoc. size() == NumberOfElements) ? static_cast<void> (0) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13190, __PRETTY_FUNCTION__)) | ||||
13190 | ArgumentLoc.size() == NumberOfElements)((Argument.size() == NumberOfElements && ArgumentLoc. size() == NumberOfElements) ? static_cast<void> (0) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13190, __PRETTY_FUNCTION__)); | ||||
13191 | Res = ActOnOpenMPScheduleClause( | ||||
13192 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), | ||||
13193 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), | ||||
13194 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, | ||||
13195 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], | ||||
13196 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); | ||||
13197 | break; | ||||
13198 | case OMPC_if: | ||||
13199 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((Argument.size() == 1 && ArgumentLoc.size() == 1) ? static_cast <void> (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13199, __PRETTY_FUNCTION__)); | ||||
13200 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), | ||||
13201 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), | ||||
13202 | DelimLoc, EndLoc); | ||||
13203 | break; | ||||
13204 | case OMPC_dist_schedule: | ||||
13205 | Res = ActOnOpenMPDistScheduleClause( | ||||
13206 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, | ||||
13207 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); | ||||
13208 | break; | ||||
13209 | case OMPC_defaultmap: | ||||
13210 | enum { Modifier, DefaultmapKind }; | ||||
13211 | Res = ActOnOpenMPDefaultmapClause( | ||||
13212 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), | ||||
13213 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), | ||||
13214 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], | ||||
13215 | EndLoc); | ||||
13216 | break; | ||||
13217 | case OMPC_device: | ||||
13218 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((Argument.size() == 1 && ArgumentLoc.size() == 1) ? static_cast <void> (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13218, __PRETTY_FUNCTION__)); | ||||
13219 | Res = ActOnOpenMPDeviceClause( | ||||
13220 | static_cast<OpenMPDeviceClauseModifier>(Argument.back()), Expr, | ||||
13221 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); | ||||
13222 | break; | ||||
13223 | case OMPC_final: | ||||
13224 | case OMPC_num_threads: | ||||
13225 | case OMPC_safelen: | ||||
13226 | case OMPC_simdlen: | ||||
13227 | case OMPC_allocator: | ||||
13228 | case OMPC_collapse: | ||||
13229 | case OMPC_default: | ||||
13230 | case OMPC_proc_bind: | ||||
13231 | case OMPC_private: | ||||
13232 | case OMPC_firstprivate: | ||||
13233 | case OMPC_lastprivate: | ||||
13234 | case OMPC_shared: | ||||
13235 | case OMPC_reduction: | ||||
13236 | case OMPC_task_reduction: | ||||
13237 | case OMPC_in_reduction: | ||||
13238 | case OMPC_linear: | ||||
13239 | case OMPC_aligned: | ||||
13240 | case OMPC_copyin: | ||||
13241 | case OMPC_copyprivate: | ||||
13242 | case OMPC_ordered: | ||||
13243 | case OMPC_nowait: | ||||
13244 | case OMPC_untied: | ||||
13245 | case OMPC_mergeable: | ||||
13246 | case OMPC_threadprivate: | ||||
13247 | case OMPC_allocate: | ||||
13248 | case OMPC_flush: | ||||
13249 | case OMPC_depobj: | ||||
13250 | case OMPC_read: | ||||
13251 | case OMPC_write: | ||||
13252 | case OMPC_update: | ||||
13253 | case OMPC_capture: | ||||
13254 | case OMPC_seq_cst: | ||||
13255 | case OMPC_acq_rel: | ||||
13256 | case OMPC_acquire: | ||||
13257 | case OMPC_release: | ||||
13258 | case OMPC_relaxed: | ||||
13259 | case OMPC_depend: | ||||
13260 | case OMPC_threads: | ||||
13261 | case OMPC_simd: | ||||
13262 | case OMPC_map: | ||||
13263 | case OMPC_num_teams: | ||||
13264 | case OMPC_thread_limit: | ||||
13265 | case OMPC_priority: | ||||
13266 | case OMPC_grainsize: | ||||
13267 | case OMPC_nogroup: | ||||
13268 | case OMPC_num_tasks: | ||||
13269 | case OMPC_hint: | ||||
13270 | case OMPC_unknown: | ||||
13271 | case OMPC_uniform: | ||||
13272 | case OMPC_to: | ||||
13273 | case OMPC_from: | ||||
13274 | case OMPC_use_device_ptr: | ||||
13275 | case OMPC_use_device_addr: | ||||
13276 | case OMPC_is_device_ptr: | ||||
13277 | case OMPC_unified_address: | ||||
13278 | case OMPC_unified_shared_memory: | ||||
13279 | case OMPC_reverse_offload: | ||||
13280 | case OMPC_dynamic_allocators: | ||||
13281 | case OMPC_atomic_default_mem_order: | ||||
13282 | case OMPC_device_type: | ||||
13283 | case OMPC_match: | ||||
13284 | case OMPC_nontemporal: | ||||
13285 | case OMPC_order: | ||||
13286 | case OMPC_destroy: | ||||
13287 | case OMPC_detach: | ||||
13288 | case OMPC_inclusive: | ||||
13289 | case OMPC_exclusive: | ||||
13290 | case OMPC_uses_allocators: | ||||
13291 | case OMPC_affinity: | ||||
13292 | default: | ||||
13293 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13293); | ||||
13294 | } | ||||
13295 | return Res; | ||||
13296 | } | ||||
13297 | |||||
13298 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, | ||||
13299 | OpenMPScheduleClauseModifier M2, | ||||
13300 | SourceLocation M1Loc, SourceLocation M2Loc) { | ||||
13301 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { | ||||
13302 | SmallVector<unsigned, 2> Excluded; | ||||
13303 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) | ||||
13304 | Excluded.push_back(M2); | ||||
13305 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) | ||||
13306 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); | ||||
13307 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) | ||||
13308 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); | ||||
13309 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) | ||||
13310 | << getListOfPossibleValues(OMPC_schedule, | ||||
13311 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, | ||||
13312 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | ||||
13313 | Excluded) | ||||
13314 | << getOpenMPClauseName(OMPC_schedule); | ||||
13315 | return true; | ||||
13316 | } | ||||
13317 | return false; | ||||
13318 | } | ||||
13319 | |||||
13320 | OMPClause *Sema::ActOnOpenMPScheduleClause( | ||||
13321 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | ||||
13322 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | ||||
13323 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, | ||||
13324 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { | ||||
13325 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || | ||||
13326 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) | ||||
13327 | return nullptr; | ||||
13328 | // OpenMP, 2.7.1, Loop Construct, Restrictions | ||||
13329 | // Either the monotonic modifier or the nonmonotonic modifier can be specified | ||||
13330 | // but not both. | ||||
13331 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || | ||||
13332 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && | ||||
13333 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || | ||||
13334 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && | ||||
13335 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { | ||||
13336 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) | ||||
13337 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) | ||||
13338 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); | ||||
13339 | return nullptr; | ||||
13340 | } | ||||
13341 | if (Kind == OMPC_SCHEDULE_unknown) { | ||||
13342 | std::string Values; | ||||
13343 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { | ||||
13344 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; | ||||
13345 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | ||||
13346 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | ||||
13347 | Exclude); | ||||
13348 | } else { | ||||
13349 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | ||||
13350 | /*Last=*/OMPC_SCHEDULE_unknown); | ||||
13351 | } | ||||
13352 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
13353 | << Values << getOpenMPClauseName(OMPC_schedule); | ||||
13354 | return nullptr; | ||||
13355 | } | ||||
13356 | // OpenMP, 2.7.1, Loop Construct, Restrictions | ||||
13357 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or | ||||
13358 | // schedule(guided). | ||||
13359 | // OpenMP 5.0 does not have this restriction. | ||||
13360 | if (LangOpts.OpenMP < 50 && | ||||
13361 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | ||||
13362 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | ||||
13363 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { | ||||
13364 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, | ||||
13365 | diag::err_omp_schedule_nonmonotonic_static); | ||||
13366 | return nullptr; | ||||
13367 | } | ||||
13368 | Expr *ValExpr = ChunkSize; | ||||
13369 | Stmt *HelperValStmt = nullptr; | ||||
13370 | if (ChunkSize) { | ||||
13371 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | ||||
13372 | !ChunkSize->isInstantiationDependent() && | ||||
13373 | !ChunkSize->containsUnexpandedParameterPack()) { | ||||
13374 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | ||||
13375 | ExprResult Val = | ||||
13376 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | ||||
13377 | if (Val.isInvalid()) | ||||
13378 | return nullptr; | ||||
13379 | |||||
13380 | ValExpr = Val.get(); | ||||
13381 | |||||
13382 | // OpenMP [2.7.1, Restrictions] | ||||
13383 | // chunk_size must be a loop invariant integer expression with a positive | ||||
13384 | // value. | ||||
13385 | if (Optional<llvm::APSInt> Result = | ||||
13386 | ValExpr->getIntegerConstantExpr(Context)) { | ||||
13387 | if (Result->isSigned() && !Result->isStrictlyPositive()) { | ||||
13388 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | ||||
13389 | << "schedule" << 1 << ChunkSize->getSourceRange(); | ||||
13390 | return nullptr; | ||||
13391 | } | ||||
13392 | } else if (getOpenMPCaptureRegionForClause( | ||||
13393 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule, | ||||
13394 | LangOpts.OpenMP) != OMPD_unknown && | ||||
13395 | !CurContext->isDependentContext()) { | ||||
13396 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
13397 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
13398 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
13399 | HelperValStmt = buildPreInits(Context, Captures); | ||||
13400 | } | ||||
13401 | } | ||||
13402 | } | ||||
13403 | |||||
13404 | return new (Context) | ||||
13405 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, | ||||
13406 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); | ||||
13407 | } | ||||
13408 | |||||
13409 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, | ||||
13410 | SourceLocation StartLoc, | ||||
13411 | SourceLocation EndLoc) { | ||||
13412 | OMPClause *Res = nullptr; | ||||
13413 | switch (Kind) { | ||||
13414 | case OMPC_ordered: | ||||
13415 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); | ||||
13416 | break; | ||||
13417 | case OMPC_nowait: | ||||
13418 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); | ||||
13419 | break; | ||||
13420 | case OMPC_untied: | ||||
13421 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); | ||||
13422 | break; | ||||
13423 | case OMPC_mergeable: | ||||
13424 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); | ||||
13425 | break; | ||||
13426 | case OMPC_read: | ||||
13427 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); | ||||
13428 | break; | ||||
13429 | case OMPC_write: | ||||
13430 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); | ||||
13431 | break; | ||||
13432 | case OMPC_update: | ||||
13433 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); | ||||
13434 | break; | ||||
13435 | case OMPC_capture: | ||||
13436 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); | ||||
13437 | break; | ||||
13438 | case OMPC_seq_cst: | ||||
13439 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); | ||||
13440 | break; | ||||
13441 | case OMPC_acq_rel: | ||||
13442 | Res = ActOnOpenMPAcqRelClause(StartLoc, EndLoc); | ||||
13443 | break; | ||||
13444 | case OMPC_acquire: | ||||
13445 | Res = ActOnOpenMPAcquireClause(StartLoc, EndLoc); | ||||
13446 | break; | ||||
13447 | case OMPC_release: | ||||
13448 | Res = ActOnOpenMPReleaseClause(StartLoc, EndLoc); | ||||
13449 | break; | ||||
13450 | case OMPC_relaxed: | ||||
13451 | Res = ActOnOpenMPRelaxedClause(StartLoc, EndLoc); | ||||
13452 | break; | ||||
13453 | case OMPC_threads: | ||||
13454 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); | ||||
13455 | break; | ||||
13456 | case OMPC_simd: | ||||
13457 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); | ||||
13458 | break; | ||||
13459 | case OMPC_nogroup: | ||||
13460 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); | ||||
13461 | break; | ||||
13462 | case OMPC_unified_address: | ||||
13463 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); | ||||
13464 | break; | ||||
13465 | case OMPC_unified_shared_memory: | ||||
13466 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | ||||
13467 | break; | ||||
13468 | case OMPC_reverse_offload: | ||||
13469 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); | ||||
13470 | break; | ||||
13471 | case OMPC_dynamic_allocators: | ||||
13472 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); | ||||
13473 | break; | ||||
13474 | case OMPC_destroy: | ||||
13475 | Res = ActOnOpenMPDestroyClause(StartLoc, EndLoc); | ||||
13476 | break; | ||||
13477 | case OMPC_if: | ||||
13478 | case OMPC_final: | ||||
13479 | case OMPC_num_threads: | ||||
13480 | case OMPC_safelen: | ||||
13481 | case OMPC_simdlen: | ||||
13482 | case OMPC_allocator: | ||||
13483 | case OMPC_collapse: | ||||
13484 | case OMPC_schedule: | ||||
13485 | case OMPC_private: | ||||
13486 | case OMPC_firstprivate: | ||||
13487 | case OMPC_lastprivate: | ||||
13488 | case OMPC_shared: | ||||
13489 | case OMPC_reduction: | ||||
13490 | case OMPC_task_reduction: | ||||
13491 | case OMPC_in_reduction: | ||||
13492 | case OMPC_linear: | ||||
13493 | case OMPC_aligned: | ||||
13494 | case OMPC_copyin: | ||||
13495 | case OMPC_copyprivate: | ||||
13496 | case OMPC_default: | ||||
13497 | case OMPC_proc_bind: | ||||
13498 | case OMPC_threadprivate: | ||||
13499 | case OMPC_allocate: | ||||
13500 | case OMPC_flush: | ||||
13501 | case OMPC_depobj: | ||||
13502 | case OMPC_depend: | ||||
13503 | case OMPC_device: | ||||
13504 | case OMPC_map: | ||||
13505 | case OMPC_num_teams: | ||||
13506 | case OMPC_thread_limit: | ||||
13507 | case OMPC_priority: | ||||
13508 | case OMPC_grainsize: | ||||
13509 | case OMPC_num_tasks: | ||||
13510 | case OMPC_hint: | ||||
13511 | case OMPC_dist_schedule: | ||||
13512 | case OMPC_defaultmap: | ||||
13513 | case OMPC_unknown: | ||||
13514 | case OMPC_uniform: | ||||
13515 | case OMPC_to: | ||||
13516 | case OMPC_from: | ||||
13517 | case OMPC_use_device_ptr: | ||||
13518 | case OMPC_use_device_addr: | ||||
13519 | case OMPC_is_device_ptr: | ||||
13520 | case OMPC_atomic_default_mem_order: | ||||
13521 | case OMPC_device_type: | ||||
13522 | case OMPC_match: | ||||
13523 | case OMPC_nontemporal: | ||||
13524 | case OMPC_order: | ||||
13525 | case OMPC_detach: | ||||
13526 | case OMPC_inclusive: | ||||
13527 | case OMPC_exclusive: | ||||
13528 | case OMPC_uses_allocators: | ||||
13529 | case OMPC_affinity: | ||||
13530 | default: | ||||
13531 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13531); | ||||
13532 | } | ||||
13533 | return Res; | ||||
13534 | } | ||||
13535 | |||||
13536 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, | ||||
13537 | SourceLocation EndLoc) { | ||||
13538 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); | ||||
13539 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); | ||||
13540 | } | ||||
13541 | |||||
13542 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, | ||||
13543 | SourceLocation EndLoc) { | ||||
13544 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); | ||||
13545 | } | ||||
13546 | |||||
13547 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, | ||||
13548 | SourceLocation EndLoc) { | ||||
13549 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); | ||||
13550 | } | ||||
13551 | |||||
13552 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, | ||||
13553 | SourceLocation EndLoc) { | ||||
13554 | return new (Context) OMPReadClause(StartLoc, EndLoc); | ||||
13555 | } | ||||
13556 | |||||
13557 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, | ||||
13558 | SourceLocation EndLoc) { | ||||
13559 | return new (Context) OMPWriteClause(StartLoc, EndLoc); | ||||
13560 | } | ||||
13561 | |||||
13562 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, | ||||
13563 | SourceLocation EndLoc) { | ||||
13564 | return OMPUpdateClause::Create(Context, StartLoc, EndLoc); | ||||
13565 | } | ||||
13566 | |||||
13567 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, | ||||
13568 | SourceLocation EndLoc) { | ||||
13569 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); | ||||
13570 | } | ||||
13571 | |||||
13572 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, | ||||
13573 | SourceLocation EndLoc) { | ||||
13574 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); | ||||
13575 | } | ||||
13576 | |||||
13577 | OMPClause *Sema::ActOnOpenMPAcqRelClause(SourceLocation StartLoc, | ||||
13578 | SourceLocation EndLoc) { | ||||
13579 | return new (Context) OMPAcqRelClause(StartLoc, EndLoc); | ||||
13580 | } | ||||
13581 | |||||
13582 | OMPClause *Sema::ActOnOpenMPAcquireClause(SourceLocation StartLoc, | ||||
13583 | SourceLocation EndLoc) { | ||||
13584 | return new (Context) OMPAcquireClause(StartLoc, EndLoc); | ||||
13585 | } | ||||
13586 | |||||
13587 | OMPClause *Sema::ActOnOpenMPReleaseClause(SourceLocation StartLoc, | ||||
13588 | SourceLocation EndLoc) { | ||||
13589 | return new (Context) OMPReleaseClause(StartLoc, EndLoc); | ||||
13590 | } | ||||
13591 | |||||
13592 | OMPClause *Sema::ActOnOpenMPRelaxedClause(SourceLocation StartLoc, | ||||
13593 | SourceLocation EndLoc) { | ||||
13594 | return new (Context) OMPRelaxedClause(StartLoc, EndLoc); | ||||
13595 | } | ||||
13596 | |||||
13597 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, | ||||
13598 | SourceLocation EndLoc) { | ||||
13599 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); | ||||
13600 | } | ||||
13601 | |||||
13602 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, | ||||
13603 | SourceLocation EndLoc) { | ||||
13604 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); | ||||
13605 | } | ||||
13606 | |||||
13607 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, | ||||
13608 | SourceLocation EndLoc) { | ||||
13609 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); | ||||
13610 | } | ||||
13611 | |||||
13612 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, | ||||
13613 | SourceLocation EndLoc) { | ||||
13614 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); | ||||
13615 | } | ||||
13616 | |||||
13617 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, | ||||
13618 | SourceLocation EndLoc) { | ||||
13619 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | ||||
13620 | } | ||||
13621 | |||||
13622 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, | ||||
13623 | SourceLocation EndLoc) { | ||||
13624 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); | ||||
13625 | } | ||||
13626 | |||||
13627 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, | ||||
13628 | SourceLocation EndLoc) { | ||||
13629 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); | ||||
13630 | } | ||||
13631 | |||||
13632 | OMPClause *Sema::ActOnOpenMPDestroyClause(SourceLocation StartLoc, | ||||
13633 | SourceLocation EndLoc) { | ||||
13634 | return new (Context) OMPDestroyClause(StartLoc, EndLoc); | ||||
13635 | } | ||||
13636 | |||||
13637 | OMPClause *Sema::ActOnOpenMPVarListClause( | ||||
13638 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *DepModOrTailExpr, | ||||
13639 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, | ||||
13640 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, | ||||
13641 | DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier, | ||||
13642 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | ||||
13643 | ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit, | ||||
13644 | SourceLocation ExtraModifierLoc, | ||||
13645 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||
13646 | ArrayRef<SourceLocation> MotionModifiersLoc) { | ||||
13647 | SourceLocation StartLoc = Locs.StartLoc; | ||||
13648 | SourceLocation LParenLoc = Locs.LParenLoc; | ||||
13649 | SourceLocation EndLoc = Locs.EndLoc; | ||||
13650 | OMPClause *Res = nullptr; | ||||
13651 | switch (Kind) { | ||||
13652 | case OMPC_private: | ||||
13653 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13654 | break; | ||||
13655 | case OMPC_firstprivate: | ||||
13656 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13657 | break; | ||||
13658 | case OMPC_lastprivate: | ||||
13659 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && "Unexpected lastprivate modifier.") ? static_cast <void> (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && \"Unexpected lastprivate modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13660, __PRETTY_FUNCTION__)) | ||||
13660 | "Unexpected lastprivate modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && "Unexpected lastprivate modifier.") ? static_cast <void> (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && \"Unexpected lastprivate modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13660, __PRETTY_FUNCTION__)); | ||||
13661 | Res = ActOnOpenMPLastprivateClause( | ||||
13662 | VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier), | ||||
13663 | ExtraModifierLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); | ||||
13664 | break; | ||||
13665 | case OMPC_shared: | ||||
13666 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13667 | break; | ||||
13668 | case OMPC_reduction: | ||||
13669 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && "Unexpected lastprivate modifier.") ? static_cast <void> (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && \"Unexpected lastprivate modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13670, __PRETTY_FUNCTION__)) | ||||
13670 | "Unexpected lastprivate modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && "Unexpected lastprivate modifier.") ? static_cast <void> (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && \"Unexpected lastprivate modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13670, __PRETTY_FUNCTION__)); | ||||
13671 | Res = ActOnOpenMPReductionClause( | ||||
13672 | VarList, static_cast<OpenMPReductionClauseModifier>(ExtraModifier), | ||||
13673 | StartLoc, LParenLoc, ExtraModifierLoc, ColonLoc, EndLoc, | ||||
13674 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId); | ||||
13675 | break; | ||||
13676 | case OMPC_task_reduction: | ||||
13677 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | ||||
13678 | EndLoc, ReductionOrMapperIdScopeSpec, | ||||
13679 | ReductionOrMapperId); | ||||
13680 | break; | ||||
13681 | case OMPC_in_reduction: | ||||
13682 | Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | ||||
13683 | EndLoc, ReductionOrMapperIdScopeSpec, | ||||
13684 | ReductionOrMapperId); | ||||
13685 | break; | ||||
13686 | case OMPC_linear: | ||||
13687 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13688, __PRETTY_FUNCTION__)) | ||||
13688 | "Unexpected linear modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13688, __PRETTY_FUNCTION__)); | ||||
13689 | Res = ActOnOpenMPLinearClause( | ||||
13690 | VarList, DepModOrTailExpr, StartLoc, LParenLoc, | ||||
13691 | static_cast<OpenMPLinearClauseKind>(ExtraModifier), ExtraModifierLoc, | ||||
13692 | ColonLoc, EndLoc); | ||||
13693 | break; | ||||
13694 | case OMPC_aligned: | ||||
13695 | Res = ActOnOpenMPAlignedClause(VarList, DepModOrTailExpr, StartLoc, | ||||
13696 | LParenLoc, ColonLoc, EndLoc); | ||||
13697 | break; | ||||
13698 | case OMPC_copyin: | ||||
13699 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13700 | break; | ||||
13701 | case OMPC_copyprivate: | ||||
13702 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13703 | break; | ||||
13704 | case OMPC_flush: | ||||
13705 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13706 | break; | ||||
13707 | case OMPC_depend: | ||||
13708 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && "Unexpected depend modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && \"Unexpected depend modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13709, __PRETTY_FUNCTION__)) | ||||
13709 | "Unexpected depend modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && "Unexpected depend modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && \"Unexpected depend modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13709, __PRETTY_FUNCTION__)); | ||||
13710 | Res = ActOnOpenMPDependClause( | ||||
13711 | DepModOrTailExpr, static_cast<OpenMPDependClauseKind>(ExtraModifier), | ||||
13712 | ExtraModifierLoc, ColonLoc, VarList, StartLoc, LParenLoc, EndLoc); | ||||
13713 | break; | ||||
13714 | case OMPC_map: | ||||
13715 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && "Unexpected map modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && \"Unexpected map modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13716, __PRETTY_FUNCTION__)) | ||||
13716 | "Unexpected map modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && "Unexpected map modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && \"Unexpected map modifier.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13716, __PRETTY_FUNCTION__)); | ||||
13717 | Res = ActOnOpenMPMapClause( | ||||
13718 | MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec, | ||||
13719 | ReductionOrMapperId, static_cast<OpenMPMapClauseKind>(ExtraModifier), | ||||
13720 | IsMapTypeImplicit, ExtraModifierLoc, ColonLoc, VarList, Locs); | ||||
13721 | break; | ||||
13722 | case OMPC_to: | ||||
13723 | Res = ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc, | ||||
13724 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId, | ||||
13725 | ColonLoc, VarList, Locs); | ||||
13726 | break; | ||||
13727 | case OMPC_from: | ||||
13728 | Res = ActOnOpenMPFromClause(MotionModifiers, MotionModifiersLoc, | ||||
13729 | ReductionOrMapperIdScopeSpec, | ||||
13730 | ReductionOrMapperId, ColonLoc, VarList, Locs); | ||||
13731 | break; | ||||
13732 | case OMPC_use_device_ptr: | ||||
13733 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); | ||||
13734 | break; | ||||
13735 | case OMPC_use_device_addr: | ||||
13736 | Res = ActOnOpenMPUseDeviceAddrClause(VarList, Locs); | ||||
13737 | break; | ||||
13738 | case OMPC_is_device_ptr: | ||||
13739 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); | ||||
13740 | break; | ||||
13741 | case OMPC_allocate: | ||||
13742 | Res = ActOnOpenMPAllocateClause(DepModOrTailExpr, VarList, StartLoc, | ||||
13743 | LParenLoc, ColonLoc, EndLoc); | ||||
13744 | break; | ||||
13745 | case OMPC_nontemporal: | ||||
13746 | Res = ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13747 | break; | ||||
13748 | case OMPC_inclusive: | ||||
13749 | Res = ActOnOpenMPInclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13750 | break; | ||||
13751 | case OMPC_exclusive: | ||||
13752 | Res = ActOnOpenMPExclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
13753 | break; | ||||
13754 | case OMPC_affinity: | ||||
13755 | Res = ActOnOpenMPAffinityClause(StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||
13756 | DepModOrTailExpr, VarList); | ||||
13757 | break; | ||||
13758 | case OMPC_if: | ||||
13759 | case OMPC_depobj: | ||||
13760 | case OMPC_final: | ||||
13761 | case OMPC_num_threads: | ||||
13762 | case OMPC_safelen: | ||||
13763 | case OMPC_simdlen: | ||||
13764 | case OMPC_allocator: | ||||
13765 | case OMPC_collapse: | ||||
13766 | case OMPC_default: | ||||
13767 | case OMPC_proc_bind: | ||||
13768 | case OMPC_schedule: | ||||
13769 | case OMPC_ordered: | ||||
13770 | case OMPC_nowait: | ||||
13771 | case OMPC_untied: | ||||
13772 | case OMPC_mergeable: | ||||
13773 | case OMPC_threadprivate: | ||||
13774 | case OMPC_read: | ||||
13775 | case OMPC_write: | ||||
13776 | case OMPC_update: | ||||
13777 | case OMPC_capture: | ||||
13778 | case OMPC_seq_cst: | ||||
13779 | case OMPC_acq_rel: | ||||
13780 | case OMPC_acquire: | ||||
13781 | case OMPC_release: | ||||
13782 | case OMPC_relaxed: | ||||
13783 | case OMPC_device: | ||||
13784 | case OMPC_threads: | ||||
13785 | case OMPC_simd: | ||||
13786 | case OMPC_num_teams: | ||||
13787 | case OMPC_thread_limit: | ||||
13788 | case OMPC_priority: | ||||
13789 | case OMPC_grainsize: | ||||
13790 | case OMPC_nogroup: | ||||
13791 | case OMPC_num_tasks: | ||||
13792 | case OMPC_hint: | ||||
13793 | case OMPC_dist_schedule: | ||||
13794 | case OMPC_defaultmap: | ||||
13795 | case OMPC_unknown: | ||||
13796 | case OMPC_uniform: | ||||
13797 | case OMPC_unified_address: | ||||
13798 | case OMPC_unified_shared_memory: | ||||
13799 | case OMPC_reverse_offload: | ||||
13800 | case OMPC_dynamic_allocators: | ||||
13801 | case OMPC_atomic_default_mem_order: | ||||
13802 | case OMPC_device_type: | ||||
13803 | case OMPC_match: | ||||
13804 | case OMPC_order: | ||||
13805 | case OMPC_destroy: | ||||
13806 | case OMPC_detach: | ||||
13807 | case OMPC_uses_allocators: | ||||
13808 | default: | ||||
13809 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13809); | ||||
13810 | } | ||||
13811 | return Res; | ||||
13812 | } | ||||
13813 | |||||
13814 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, | ||||
13815 | ExprObjectKind OK, SourceLocation Loc) { | ||||
13816 | ExprResult Res = BuildDeclRefExpr( | ||||
13817 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); | ||||
13818 | if (!Res.isUsable()) | ||||
13819 | return ExprError(); | ||||
13820 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { | ||||
13821 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); | ||||
13822 | if (!Res.isUsable()) | ||||
13823 | return ExprError(); | ||||
13824 | } | ||||
13825 | if (VK != VK_LValue && Res.get()->isGLValue()) { | ||||
13826 | Res = DefaultLvalueConversion(Res.get()); | ||||
13827 | if (!Res.isUsable()) | ||||
13828 | return ExprError(); | ||||
13829 | } | ||||
13830 | return Res; | ||||
13831 | } | ||||
13832 | |||||
13833 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, | ||||
13834 | SourceLocation StartLoc, | ||||
13835 | SourceLocation LParenLoc, | ||||
13836 | SourceLocation EndLoc) { | ||||
13837 | SmallVector<Expr *, 8> Vars; | ||||
13838 | SmallVector<Expr *, 8> PrivateCopies; | ||||
13839 | for (Expr *RefExpr : VarList) { | ||||
13840 | assert(RefExpr && "NULL expr in OpenMP private clause.")((RefExpr && "NULL expr in OpenMP private clause.") ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 13840, __PRETTY_FUNCTION__)); | ||||
13841 | SourceLocation ELoc; | ||||
13842 | SourceRange ERange; | ||||
13843 | Expr *SimpleRefExpr = RefExpr; | ||||
13844 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
13845 | if (Res.second) { | ||||
13846 | // It will be analyzed later. | ||||
13847 | Vars.push_back(RefExpr); | ||||
13848 | PrivateCopies.push_back(nullptr); | ||||
13849 | } | ||||
13850 | ValueDecl *D = Res.first; | ||||
13851 | if (!D) | ||||
13852 | continue; | ||||
13853 | |||||
13854 | QualType Type = D->getType(); | ||||
13855 | auto *VD = dyn_cast<VarDecl>(D); | ||||
13856 | |||||
13857 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||
13858 | // A variable that appears in a private clause must not have an incomplete | ||||
13859 | // type or a reference type. | ||||
13860 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) | ||||
13861 | continue; | ||||
13862 | Type = Type.getNonReferenceType(); | ||||
13863 | |||||
13864 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||
13865 | // A variable that is privatized must not have a const-qualified type | ||||
13866 | // unless it is of class type with a mutable member. This restriction does | ||||
13867 | // not apply to the firstprivate clause. | ||||
13868 | // | ||||
13869 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] | ||||
13870 | // A variable that appears in a private clause must not have a | ||||
13871 | // const-qualified type unless it is of class type with a mutable member. | ||||
13872 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) | ||||
13873 | continue; | ||||
13874 | |||||
13875 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
13876 | // in a Construct] | ||||
13877 | // Variables with the predetermined data-sharing attributes may not be | ||||
13878 | // listed in data-sharing attributes clauses, except for the cases | ||||
13879 | // listed below. For these exceptions only, listing a predetermined | ||||
13880 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
13881 | // the variable's predetermined data-sharing attributes. | ||||
13882 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
13883 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { | ||||
13884 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||
13885 | << getOpenMPClauseName(OMPC_private); | ||||
13886 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13887 | continue; | ||||
13888 | } | ||||
13889 | |||||
13890 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
13891 | // Variably modified types are not supported for tasks. | ||||
13892 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | ||||
13893 | isOpenMPTaskingDirective(CurrDir)) { | ||||
13894 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||
13895 | << getOpenMPClauseName(OMPC_private) << Type | ||||
13896 | << getOpenMPDirectiveName(CurrDir); | ||||
13897 | bool IsDecl = | ||||
13898 | !VD || | ||||
13899 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
13900 | Diag(D->getLocation(), | ||||
13901 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
13902 | << D; | ||||
13903 | continue; | ||||
13904 | } | ||||
13905 | |||||
13906 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||
13907 | // A list item cannot appear in both a map clause and a data-sharing | ||||
13908 | // attribute clause on the same construct | ||||
13909 | // | ||||
13910 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||
13911 | // A list item cannot appear in both a map clause and a data-sharing | ||||
13912 | // attribute clause on the same construct unless the construct is a | ||||
13913 | // combined construct. | ||||
13914 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || | ||||
13915 | CurrDir == OMPD_target) { | ||||
13916 | OpenMPClauseKind ConflictKind; | ||||
13917 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||
13918 | VD, /*CurrentRegionOnly=*/true, | ||||
13919 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
13920 | OpenMPClauseKind WhereFoundClauseKind) -> bool { | ||||
13921 | ConflictKind = WhereFoundClauseKind; | ||||
13922 | return true; | ||||
13923 | })) { | ||||
13924 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
13925 | << getOpenMPClauseName(OMPC_private) | ||||
13926 | << getOpenMPClauseName(ConflictKind) | ||||
13927 | << getOpenMPDirectiveName(CurrDir); | ||||
13928 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13929 | continue; | ||||
13930 | } | ||||
13931 | } | ||||
13932 | |||||
13933 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] | ||||
13934 | // A variable of class type (or array thereof) that appears in a private | ||||
13935 | // clause requires an accessible, unambiguous default constructor for the | ||||
13936 | // class type. | ||||
13937 | // Generate helper private variable and initialize it with the default | ||||
13938 | // value. The address of the original variable is replaced by the address of | ||||
13939 | // the new private variable in CodeGen. This new variable is not added to | ||||
13940 | // IdResolver, so the code in the OpenMP region uses original variable for | ||||
13941 | // proper diagnostics. | ||||
13942 | Type = Type.getUnqualifiedType(); | ||||
13943 | VarDecl *VDPrivate = | ||||
13944 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
13945 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
13946 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
13947 | ActOnUninitializedDecl(VDPrivate); | ||||
13948 | if (VDPrivate->isInvalidDecl()) | ||||
13949 | continue; | ||||
13950 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||
13951 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | ||||
13952 | |||||
13953 | DeclRefExpr *Ref = nullptr; | ||||
13954 | if (!VD && !CurContext->isDependentContext()) | ||||
13955 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
13956 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); | ||||
13957 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
13958 | ? RefExpr->IgnoreParens() | ||||
13959 | : Ref); | ||||
13960 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||
13961 | } | ||||
13962 | |||||
13963 | if (Vars.empty()) | ||||
13964 | return nullptr; | ||||
13965 | |||||
13966 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | ||||
13967 | PrivateCopies); | ||||
13968 | } | ||||
13969 | |||||
13970 | namespace { | ||||
13971 | class DiagsUninitializedSeveretyRAII { | ||||
13972 | private: | ||||
13973 | DiagnosticsEngine &Diags; | ||||
13974 | SourceLocation SavedLoc; | ||||
13975 | bool IsIgnored = false; | ||||
13976 | |||||
13977 | public: | ||||
13978 | DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, | ||||
13979 | bool IsIgnored) | ||||
13980 | : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { | ||||
13981 | if (!IsIgnored) { | ||||
13982 | Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, | ||||
13983 | /*Map*/ diag::Severity::Ignored, Loc); | ||||
13984 | } | ||||
13985 | } | ||||
13986 | ~DiagsUninitializedSeveretyRAII() { | ||||
13987 | if (!IsIgnored) | ||||
13988 | Diags.popMappings(SavedLoc); | ||||
13989 | } | ||||
13990 | }; | ||||
13991 | } | ||||
13992 | |||||
13993 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, | ||||
13994 | SourceLocation StartLoc, | ||||
13995 | SourceLocation LParenLoc, | ||||
13996 | SourceLocation EndLoc) { | ||||
13997 | SmallVector<Expr *, 8> Vars; | ||||
13998 | SmallVector<Expr *, 8> PrivateCopies; | ||||
13999 | SmallVector<Expr *, 8> Inits; | ||||
14000 | SmallVector<Decl *, 4> ExprCaptures; | ||||
14001 | bool IsImplicitClause = | ||||
14002 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); | ||||
14003 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); | ||||
14004 | |||||
14005 | for (Expr *RefExpr : VarList) { | ||||
14006 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")((RefExpr && "NULL expr in OpenMP firstprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP firstprivate clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14006, __PRETTY_FUNCTION__)); | ||||
14007 | SourceLocation ELoc; | ||||
14008 | SourceRange ERange; | ||||
14009 | Expr *SimpleRefExpr = RefExpr; | ||||
14010 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
14011 | if (Res.second) { | ||||
14012 | // It will be analyzed later. | ||||
14013 | Vars.push_back(RefExpr); | ||||
14014 | PrivateCopies.push_back(nullptr); | ||||
14015 | Inits.push_back(nullptr); | ||||
14016 | } | ||||
14017 | ValueDecl *D = Res.first; | ||||
14018 | if (!D) | ||||
14019 | continue; | ||||
14020 | |||||
14021 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; | ||||
14022 | QualType Type = D->getType(); | ||||
14023 | auto *VD = dyn_cast<VarDecl>(D); | ||||
14024 | |||||
14025 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||
14026 | // A variable that appears in a private clause must not have an incomplete | ||||
14027 | // type or a reference type. | ||||
14028 | if (RequireCompleteType(ELoc, Type, | ||||
14029 | diag::err_omp_firstprivate_incomplete_type)) | ||||
14030 | continue; | ||||
14031 | Type = Type.getNonReferenceType(); | ||||
14032 | |||||
14033 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] | ||||
14034 | // A variable of class type (or array thereof) that appears in a private | ||||
14035 | // clause requires an accessible, unambiguous copy constructor for the | ||||
14036 | // class type. | ||||
14037 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | ||||
14038 | |||||
14039 | // If an implicit firstprivate variable found it was checked already. | ||||
14040 | DSAStackTy::DSAVarData TopDVar; | ||||
14041 | if (!IsImplicitClause) { | ||||
14042 | DSAStackTy::DSAVarData DVar = | ||||
14043 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
14044 | TopDVar = DVar; | ||||
14045 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
14046 | bool IsConstant = ElemType.isConstant(Context); | ||||
14047 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] | ||||
14048 | // A list item that specifies a given variable may not appear in more | ||||
14049 | // than one clause on the same directive, except that a variable may be | ||||
14050 | // specified in both firstprivate and lastprivate clauses. | ||||
14051 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | ||||
14052 | // A list item may appear in a firstprivate or lastprivate clause but not | ||||
14053 | // both. | ||||
14054 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | ||||
14055 | (isOpenMPDistributeDirective(CurrDir) || | ||||
14056 | DVar.CKind != OMPC_lastprivate) && | ||||
14057 | DVar.RefExpr) { | ||||
14058 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
14059 | << getOpenMPClauseName(DVar.CKind) | ||||
14060 | << getOpenMPClauseName(OMPC_firstprivate); | ||||
14061 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14062 | continue; | ||||
14063 | } | ||||
14064 | |||||
14065 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
14066 | // in a Construct] | ||||
14067 | // Variables with the predetermined data-sharing attributes may not be | ||||
14068 | // listed in data-sharing attributes clauses, except for the cases | ||||
14069 | // listed below. For these exceptions only, listing a predetermined | ||||
14070 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
14071 | // the variable's predetermined data-sharing attributes. | ||||
14072 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
14073 | // in a Construct, C/C++, p.2] | ||||
14074 | // Variables with const-qualified type having no mutable member may be | ||||
14075 | // listed in a firstprivate clause, even if they are static data members. | ||||
14076 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && | ||||
14077 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { | ||||
14078 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
14079 | << getOpenMPClauseName(DVar.CKind) | ||||
14080 | << getOpenMPClauseName(OMPC_firstprivate); | ||||
14081 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14082 | continue; | ||||
14083 | } | ||||
14084 | |||||
14085 | // OpenMP [2.9.3.4, Restrictions, p.2] | ||||
14086 | // A list item that is private within a parallel region must not appear | ||||
14087 | // in a firstprivate clause on a worksharing construct if any of the | ||||
14088 | // worksharing regions arising from the worksharing construct ever bind | ||||
14089 | // to any of the parallel regions arising from the parallel construct. | ||||
14090 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | ||||
14091 | // A list item that is private within a teams region must not appear in a | ||||
14092 | // firstprivate clause on a distribute construct if any of the distribute | ||||
14093 | // regions arising from the distribute construct ever bind to any of the | ||||
14094 | // teams regions arising from the teams construct. | ||||
14095 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | ||||
14096 | // A list item that appears in a reduction clause of a teams construct | ||||
14097 | // must not appear in a firstprivate clause on a distribute construct if | ||||
14098 | // any of the distribute regions arising from the distribute construct | ||||
14099 | // ever bind to any of the teams regions arising from the teams construct. | ||||
14100 | if ((isOpenMPWorksharingDirective(CurrDir) || | ||||
14101 | isOpenMPDistributeDirective(CurrDir)) && | ||||
14102 | !isOpenMPParallelDirective(CurrDir) && | ||||
14103 | !isOpenMPTeamsDirective(CurrDir)) { | ||||
14104 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | ||||
14105 | if (DVar.CKind != OMPC_shared && | ||||
14106 | (isOpenMPParallelDirective(DVar.DKind) || | ||||
14107 | isOpenMPTeamsDirective(DVar.DKind) || | ||||
14108 | DVar.DKind == OMPD_unknown)) { | ||||
14109 | Diag(ELoc, diag::err_omp_required_access) | ||||
14110 | << getOpenMPClauseName(OMPC_firstprivate) | ||||
14111 | << getOpenMPClauseName(OMPC_shared); | ||||
14112 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14113 | continue; | ||||
14114 | } | ||||
14115 | } | ||||
14116 | // OpenMP [2.9.3.4, Restrictions, p.3] | ||||
14117 | // A list item that appears in a reduction clause of a parallel construct | ||||
14118 | // must not appear in a firstprivate clause on a worksharing or task | ||||
14119 | // construct if any of the worksharing or task regions arising from the | ||||
14120 | // worksharing or task construct ever bind to any of the parallel regions | ||||
14121 | // arising from the parallel construct. | ||||
14122 | // OpenMP [2.9.3.4, Restrictions, p.4] | ||||
14123 | // A list item that appears in a reduction clause in worksharing | ||||
14124 | // construct must not appear in a firstprivate clause in a task construct | ||||
14125 | // encountered during execution of any of the worksharing regions arising | ||||
14126 | // from the worksharing construct. | ||||
14127 | if (isOpenMPTaskingDirective(CurrDir)) { | ||||
14128 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( | ||||
14129 | D, | ||||
14130 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||
14131 | return C == OMPC_reduction && !AppliedToPointee; | ||||
14132 | }, | ||||
14133 | [](OpenMPDirectiveKind K) { | ||||
14134 | return isOpenMPParallelDirective(K) || | ||||
14135 | isOpenMPWorksharingDirective(K) || | ||||
14136 | isOpenMPTeamsDirective(K); | ||||
14137 | }, | ||||
14138 | /*FromParent=*/true); | ||||
14139 | if (DVar.CKind == OMPC_reduction && | ||||
14140 | (isOpenMPParallelDirective(DVar.DKind) || | ||||
14141 | isOpenMPWorksharingDirective(DVar.DKind) || | ||||
14142 | isOpenMPTeamsDirective(DVar.DKind))) { | ||||
14143 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) | ||||
14144 | << getOpenMPDirectiveName(DVar.DKind); | ||||
14145 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14146 | continue; | ||||
14147 | } | ||||
14148 | } | ||||
14149 | |||||
14150 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||
14151 | // A list item cannot appear in both a map clause and a data-sharing | ||||
14152 | // attribute clause on the same construct | ||||
14153 | // | ||||
14154 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||
14155 | // A list item cannot appear in both a map clause and a data-sharing | ||||
14156 | // attribute clause on the same construct unless the construct is a | ||||
14157 | // combined construct. | ||||
14158 | if ((LangOpts.OpenMP <= 45 && | ||||
14159 | isOpenMPTargetExecutionDirective(CurrDir)) || | ||||
14160 | CurrDir == OMPD_target) { | ||||
14161 | OpenMPClauseKind ConflictKind; | ||||
14162 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||
14163 | VD, /*CurrentRegionOnly=*/true, | ||||
14164 | [&ConflictKind]( | ||||
14165 | OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
14166 | OpenMPClauseKind WhereFoundClauseKind) { | ||||
14167 | ConflictKind = WhereFoundClauseKind; | ||||
14168 | return true; | ||||
14169 | })) { | ||||
14170 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
14171 | << getOpenMPClauseName(OMPC_firstprivate) | ||||
14172 | << getOpenMPClauseName(ConflictKind) | ||||
14173 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
14174 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14175 | continue; | ||||
14176 | } | ||||
14177 | } | ||||
14178 | } | ||||
14179 | |||||
14180 | // Variably modified types are not supported for tasks. | ||||
14181 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | ||||
14182 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
14183 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||
14184 | << getOpenMPClauseName(OMPC_firstprivate) << Type | ||||
14185 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
14186 | bool IsDecl = | ||||
14187 | !VD || | ||||
14188 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
14189 | Diag(D->getLocation(), | ||||
14190 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
14191 | << D; | ||||
14192 | continue; | ||||
14193 | } | ||||
14194 | |||||
14195 | Type = Type.getUnqualifiedType(); | ||||
14196 | VarDecl *VDPrivate = | ||||
14197 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
14198 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
14199 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
14200 | // Generate helper private variable and initialize it with the value of the | ||||
14201 | // original variable. The address of the original variable is replaced by | ||||
14202 | // the address of the new private variable in the CodeGen. This new variable | ||||
14203 | // is not added to IdResolver, so the code in the OpenMP region uses | ||||
14204 | // original variable for proper diagnostics and variable capturing. | ||||
14205 | Expr *VDInitRefExpr = nullptr; | ||||
14206 | // For arrays generate initializer for single element and replace it by the | ||||
14207 | // original array element in CodeGen. | ||||
14208 | if (Type->isArrayType()) { | ||||
14209 | VarDecl *VDInit = | ||||
14210 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); | ||||
14211 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); | ||||
14212 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); | ||||
14213 | ElemType = ElemType.getUnqualifiedType(); | ||||
14214 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, | ||||
14215 | ".firstprivate.temp"); | ||||
14216 | InitializedEntity Entity = | ||||
14217 | InitializedEntity::InitializeVariable(VDInitTemp); | ||||
14218 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); | ||||
14219 | |||||
14220 | InitializationSequence InitSeq(*this, Entity, Kind, Init); | ||||
14221 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); | ||||
14222 | if (Result.isInvalid()) | ||||
14223 | VDPrivate->setInvalidDecl(); | ||||
14224 | else | ||||
14225 | VDPrivate->setInit(Result.getAs<Expr>()); | ||||
14226 | // Remove temp variable declaration. | ||||
14227 | Context.Deallocate(VDInitTemp); | ||||
14228 | } else { | ||||
14229 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, | ||||
14230 | ".firstprivate.temp"); | ||||
14231 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), | ||||
14232 | RefExpr->getExprLoc()); | ||||
14233 | AddInitializerToDecl(VDPrivate, | ||||
14234 | DefaultLvalueConversion(VDInitRefExpr).get(), | ||||
14235 | /*DirectInit=*/false); | ||||
14236 | } | ||||
14237 | if (VDPrivate->isInvalidDecl()) { | ||||
14238 | if (IsImplicitClause) { | ||||
14239 | Diag(RefExpr->getExprLoc(), | ||||
14240 | diag::note_omp_task_predetermined_firstprivate_here); | ||||
14241 | } | ||||
14242 | continue; | ||||
14243 | } | ||||
14244 | CurContext->addDecl(VDPrivate); | ||||
14245 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||
14246 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), | ||||
14247 | RefExpr->getExprLoc()); | ||||
14248 | DeclRefExpr *Ref = nullptr; | ||||
14249 | if (!VD && !CurContext->isDependentContext()) { | ||||
14250 | if (TopDVar.CKind == OMPC_lastprivate) { | ||||
14251 | Ref = TopDVar.PrivateCopy; | ||||
14252 | } else { | ||||
14253 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
14254 | if (!isOpenMPCapturedDecl(D)) | ||||
14255 | ExprCaptures.push_back(Ref->getDecl()); | ||||
14256 | } | ||||
14257 | } | ||||
14258 | if (!IsImplicitClause) | ||||
14259 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||
14260 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
14261 | ? RefExpr->IgnoreParens() | ||||
14262 | : Ref); | ||||
14263 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||
14264 | Inits.push_back(VDInitRefExpr); | ||||
14265 | } | ||||
14266 | |||||
14267 | if (Vars.empty()) | ||||
14268 | return nullptr; | ||||
14269 | |||||
14270 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
14271 | Vars, PrivateCopies, Inits, | ||||
14272 | buildPreInits(Context, ExprCaptures)); | ||||
14273 | } | ||||
14274 | |||||
14275 | OMPClause *Sema::ActOnOpenMPLastprivateClause( | ||||
14276 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, | ||||
14277 | SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc, | ||||
14278 | SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
14279 | if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) { | ||||
14280 | assert(ColonLoc.isValid() && "Colon location must be valid.")((ColonLoc.isValid() && "Colon location must be valid." ) ? static_cast<void> (0) : __assert_fail ("ColonLoc.isValid() && \"Colon location must be valid.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14280, __PRETTY_FUNCTION__)); | ||||
14281 | Diag(LPKindLoc, diag::err_omp_unexpected_clause_value) | ||||
14282 | << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0, | ||||
14283 | /*Last=*/OMPC_LASTPRIVATE_unknown) | ||||
14284 | << getOpenMPClauseName(OMPC_lastprivate); | ||||
14285 | return nullptr; | ||||
14286 | } | ||||
14287 | |||||
14288 | SmallVector<Expr *, 8> Vars; | ||||
14289 | SmallVector<Expr *, 8> SrcExprs; | ||||
14290 | SmallVector<Expr *, 8> DstExprs; | ||||
14291 | SmallVector<Expr *, 8> AssignmentOps; | ||||
14292 | SmallVector<Decl *, 4> ExprCaptures; | ||||
14293 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||
14294 | for (Expr *RefExpr : VarList) { | ||||
14295 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14295, __PRETTY_FUNCTION__)); | ||||
14296 | SourceLocation ELoc; | ||||
14297 | SourceRange ERange; | ||||
14298 | Expr *SimpleRefExpr = RefExpr; | ||||
14299 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
14300 | if (Res.second) { | ||||
14301 | // It will be analyzed later. | ||||
14302 | Vars.push_back(RefExpr); | ||||
14303 | SrcExprs.push_back(nullptr); | ||||
14304 | DstExprs.push_back(nullptr); | ||||
14305 | AssignmentOps.push_back(nullptr); | ||||
14306 | } | ||||
14307 | ValueDecl *D = Res.first; | ||||
14308 | if (!D) | ||||
14309 | continue; | ||||
14310 | |||||
14311 | QualType Type = D->getType(); | ||||
14312 | auto *VD = dyn_cast<VarDecl>(D); | ||||
14313 | |||||
14314 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] | ||||
14315 | // A variable that appears in a lastprivate clause must not have an | ||||
14316 | // incomplete type or a reference type. | ||||
14317 | if (RequireCompleteType(ELoc, Type, | ||||
14318 | diag::err_omp_lastprivate_incomplete_type)) | ||||
14319 | continue; | ||||
14320 | Type = Type.getNonReferenceType(); | ||||
14321 | |||||
14322 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||
14323 | // A variable that is privatized must not have a const-qualified type | ||||
14324 | // unless it is of class type with a mutable member. This restriction does | ||||
14325 | // not apply to the firstprivate clause. | ||||
14326 | // | ||||
14327 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] | ||||
14328 | // A variable that appears in a lastprivate clause must not have a | ||||
14329 | // const-qualified type unless it is of class type with a mutable member. | ||||
14330 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) | ||||
14331 | continue; | ||||
14332 | |||||
14333 | // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions] | ||||
14334 | // A list item that appears in a lastprivate clause with the conditional | ||||
14335 | // modifier must be a scalar variable. | ||||
14336 | if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) { | ||||
14337 | Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar); | ||||
14338 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
14339 | VarDecl::DeclarationOnly; | ||||
14340 | Diag(D->getLocation(), | ||||
14341 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
14342 | << D; | ||||
14343 | continue; | ||||
14344 | } | ||||
14345 | |||||
14346 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
14347 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
14348 | // in a Construct] | ||||
14349 | // Variables with the predetermined data-sharing attributes may not be | ||||
14350 | // listed in data-sharing attributes clauses, except for the cases | ||||
14351 | // listed below. | ||||
14352 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | ||||
14353 | // A list item may appear in a firstprivate or lastprivate clause but not | ||||
14354 | // both. | ||||
14355 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
14356 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && | ||||
14357 | (isOpenMPDistributeDirective(CurrDir) || | ||||
14358 | DVar.CKind != OMPC_firstprivate) && | ||||
14359 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { | ||||
14360 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
14361 | << getOpenMPClauseName(DVar.CKind) | ||||
14362 | << getOpenMPClauseName(OMPC_lastprivate); | ||||
14363 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14364 | continue; | ||||
14365 | } | ||||
14366 | |||||
14367 | // OpenMP [2.14.3.5, Restrictions, p.2] | ||||
14368 | // A list item that is private within a parallel region, or that appears in | ||||
14369 | // the reduction clause of a parallel construct, must not appear in a | ||||
14370 | // lastprivate clause on a worksharing construct if any of the corresponding | ||||
14371 | // worksharing regions ever binds to any of the corresponding parallel | ||||
14372 | // regions. | ||||
14373 | DSAStackTy::DSAVarData TopDVar = DVar; | ||||
14374 | if (isOpenMPWorksharingDirective(CurrDir) && | ||||
14375 | !isOpenMPParallelDirective(CurrDir) && | ||||
14376 | !isOpenMPTeamsDirective(CurrDir)) { | ||||
14377 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | ||||
14378 | if (DVar.CKind != OMPC_shared) { | ||||
14379 | Diag(ELoc, diag::err_omp_required_access) | ||||
14380 | << getOpenMPClauseName(OMPC_lastprivate) | ||||
14381 | << getOpenMPClauseName(OMPC_shared); | ||||
14382 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14383 | continue; | ||||
14384 | } | ||||
14385 | } | ||||
14386 | |||||
14387 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] | ||||
14388 | // A variable of class type (or array thereof) that appears in a | ||||
14389 | // lastprivate clause requires an accessible, unambiguous default | ||||
14390 | // constructor for the class type, unless the list item is also specified | ||||
14391 | // in a firstprivate clause. | ||||
14392 | // A variable of class type (or array thereof) that appears in a | ||||
14393 | // lastprivate clause requires an accessible, unambiguous copy assignment | ||||
14394 | // operator for the class type. | ||||
14395 | Type = Context.getBaseElementType(Type).getNonReferenceType(); | ||||
14396 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), | ||||
14397 | Type.getUnqualifiedType(), ".lastprivate.src", | ||||
14398 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
14399 | DeclRefExpr *PseudoSrcExpr = | ||||
14400 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); | ||||
14401 | VarDecl *DstVD = | ||||
14402 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", | ||||
14403 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
14404 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | ||||
14405 | // For arrays generate assignment operation for single element and replace | ||||
14406 | // it by the original array element in CodeGen. | ||||
14407 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, | ||||
14408 | PseudoDstExpr, PseudoSrcExpr); | ||||
14409 | if (AssignmentOp.isInvalid()) | ||||
14410 | continue; | ||||
14411 | AssignmentOp = | ||||
14412 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | ||||
14413 | if (AssignmentOp.isInvalid()) | ||||
14414 | continue; | ||||
14415 | |||||
14416 | DeclRefExpr *Ref = nullptr; | ||||
14417 | if (!VD && !CurContext->isDependentContext()) { | ||||
14418 | if (TopDVar.CKind == OMPC_firstprivate) { | ||||
14419 | Ref = TopDVar.PrivateCopy; | ||||
14420 | } else { | ||||
14421 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
14422 | if (!isOpenMPCapturedDecl(D)) | ||||
14423 | ExprCaptures.push_back(Ref->getDecl()); | ||||
14424 | } | ||||
14425 | if ((TopDVar.CKind == OMPC_firstprivate && !TopDVar.PrivateCopy) || | ||||
14426 | (!isOpenMPCapturedDecl(D) && | ||||
14427 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { | ||||
14428 | ExprResult RefRes = DefaultLvalueConversion(Ref); | ||||
14429 | if (!RefRes.isUsable()) | ||||
14430 | continue; | ||||
14431 | ExprResult PostUpdateRes = | ||||
14432 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | ||||
14433 | RefRes.get()); | ||||
14434 | if (!PostUpdateRes.isUsable()) | ||||
14435 | continue; | ||||
14436 | ExprPostUpdates.push_back( | ||||
14437 | IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||
14438 | } | ||||
14439 | } | ||||
14440 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); | ||||
14441 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
14442 | ? RefExpr->IgnoreParens() | ||||
14443 | : Ref); | ||||
14444 | SrcExprs.push_back(PseudoSrcExpr); | ||||
14445 | DstExprs.push_back(PseudoDstExpr); | ||||
14446 | AssignmentOps.push_back(AssignmentOp.get()); | ||||
14447 | } | ||||
14448 | |||||
14449 | if (Vars.empty()) | ||||
14450 | return nullptr; | ||||
14451 | |||||
14452 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
14453 | Vars, SrcExprs, DstExprs, AssignmentOps, | ||||
14454 | LPKind, LPKindLoc, ColonLoc, | ||||
14455 | buildPreInits(Context, ExprCaptures), | ||||
14456 | buildPostUpdate(*this, ExprPostUpdates)); | ||||
14457 | } | ||||
14458 | |||||
14459 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, | ||||
14460 | SourceLocation StartLoc, | ||||
14461 | SourceLocation LParenLoc, | ||||
14462 | SourceLocation EndLoc) { | ||||
14463 | SmallVector<Expr *, 8> Vars; | ||||
14464 | for (Expr *RefExpr : VarList) { | ||||
14465 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14465, __PRETTY_FUNCTION__)); | ||||
14466 | SourceLocation ELoc; | ||||
14467 | SourceRange ERange; | ||||
14468 | Expr *SimpleRefExpr = RefExpr; | ||||
14469 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
14470 | if (Res.second) { | ||||
14471 | // It will be analyzed later. | ||||
14472 | Vars.push_back(RefExpr); | ||||
14473 | } | ||||
14474 | ValueDecl *D = Res.first; | ||||
14475 | if (!D) | ||||
14476 | continue; | ||||
14477 | |||||
14478 | auto *VD = dyn_cast<VarDecl>(D); | ||||
14479 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
14480 | // in a Construct] | ||||
14481 | // Variables with the predetermined data-sharing attributes may not be | ||||
14482 | // listed in data-sharing attributes clauses, except for the cases | ||||
14483 | // listed below. For these exceptions only, listing a predetermined | ||||
14484 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
14485 | // the variable's predetermined data-sharing attributes. | ||||
14486 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
14487 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && | ||||
14488 | DVar.RefExpr) { | ||||
14489 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||
14490 | << getOpenMPClauseName(OMPC_shared); | ||||
14491 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14492 | continue; | ||||
14493 | } | ||||
14494 | |||||
14495 | DeclRefExpr *Ref = nullptr; | ||||
14496 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) | ||||
14497 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
14498 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); | ||||
14499 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) | ||||
14500 | ? RefExpr->IgnoreParens() | ||||
14501 | : Ref); | ||||
14502 | } | ||||
14503 | |||||
14504 | if (Vars.empty()) | ||||
14505 | return nullptr; | ||||
14506 | |||||
14507 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | ||||
14508 | } | ||||
14509 | |||||
14510 | namespace { | ||||
14511 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { | ||||
14512 | DSAStackTy *Stack; | ||||
14513 | |||||
14514 | public: | ||||
14515 | bool VisitDeclRefExpr(DeclRefExpr *E) { | ||||
14516 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||
14517 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||
14518 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) | ||||
14519 | return false; | ||||
14520 | if (DVar.CKind != OMPC_unknown) | ||||
14521 | return true; | ||||
14522 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( | ||||
14523 | VD, | ||||
14524 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||
14525 | return isOpenMPPrivate(C) && !AppliedToPointee; | ||||
14526 | }, | ||||
14527 | [](OpenMPDirectiveKind) { return true; }, | ||||
14528 | /*FromParent=*/true); | ||||
14529 | return DVarPrivate.CKind != OMPC_unknown; | ||||
14530 | } | ||||
14531 | return false; | ||||
14532 | } | ||||
14533 | bool VisitStmt(Stmt *S) { | ||||
14534 | for (Stmt *Child : S->children()) { | ||||
14535 | if (Child && Visit(Child)) | ||||
14536 | return true; | ||||
14537 | } | ||||
14538 | return false; | ||||
14539 | } | ||||
14540 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} | ||||
14541 | }; | ||||
14542 | } // namespace | ||||
14543 | |||||
14544 | namespace { | ||||
14545 | // Transform MemberExpression for specified FieldDecl of current class to | ||||
14546 | // DeclRefExpr to specified OMPCapturedExprDecl. | ||||
14547 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { | ||||
14548 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; | ||||
14549 | ValueDecl *Field = nullptr; | ||||
14550 | DeclRefExpr *CapturedExpr = nullptr; | ||||
14551 | |||||
14552 | public: | ||||
14553 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) | ||||
14554 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} | ||||
14555 | |||||
14556 | ExprResult TransformMemberExpr(MemberExpr *E) { | ||||
14557 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && | ||||
14558 | E->getMemberDecl() == Field) { | ||||
14559 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); | ||||
14560 | return CapturedExpr; | ||||
14561 | } | ||||
14562 | return BaseTransform::TransformMemberExpr(E); | ||||
14563 | } | ||||
14564 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } | ||||
14565 | }; | ||||
14566 | } // namespace | ||||
14567 | |||||
14568 | template <typename T, typename U> | ||||
14569 | static T filterLookupForUDReductionAndMapper( | ||||
14570 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { | ||||
14571 | for (U &Set : Lookups) { | ||||
14572 | for (auto *D : Set) { | ||||
14573 | if (T Res = Gen(cast<ValueDecl>(D))) | ||||
14574 | return Res; | ||||
14575 | } | ||||
14576 | } | ||||
14577 | return T(); | ||||
14578 | } | ||||
14579 | |||||
14580 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { | ||||
14581 | assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case")((!LookupResult::isVisible(SemaRef, D) && "not in slow case" ) ? static_cast<void> (0) : __assert_fail ("!LookupResult::isVisible(SemaRef, D) && \"not in slow case\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14581, __PRETTY_FUNCTION__)); | ||||
14582 | |||||
14583 | for (auto RD : D->redecls()) { | ||||
14584 | // Don't bother with extra checks if we already know this one isn't visible. | ||||
14585 | if (RD == D) | ||||
14586 | continue; | ||||
14587 | |||||
14588 | auto ND = cast<NamedDecl>(RD); | ||||
14589 | if (LookupResult::isVisible(SemaRef, ND)) | ||||
14590 | return ND; | ||||
14591 | } | ||||
14592 | |||||
14593 | return nullptr; | ||||
14594 | } | ||||
14595 | |||||
14596 | static void | ||||
14597 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, | ||||
14598 | SourceLocation Loc, QualType Ty, | ||||
14599 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { | ||||
14600 | // Find all of the associated namespaces and classes based on the | ||||
14601 | // arguments we have. | ||||
14602 | Sema::AssociatedNamespaceSet AssociatedNamespaces; | ||||
14603 | Sema::AssociatedClassSet AssociatedClasses; | ||||
14604 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); | ||||
14605 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, | ||||
14606 | AssociatedClasses); | ||||
14607 | |||||
14608 | // C++ [basic.lookup.argdep]p3: | ||||
14609 | // Let X be the lookup set produced by unqualified lookup (3.4.1) | ||||
14610 | // and let Y be the lookup set produced by argument dependent | ||||
14611 | // lookup (defined as follows). If X contains [...] then Y is | ||||
14612 | // empty. Otherwise Y is the set of declarations found in the | ||||
14613 | // namespaces associated with the argument types as described | ||||
14614 | // below. The set of declarations found by the lookup of the name | ||||
14615 | // is the union of X and Y. | ||||
14616 | // | ||||
14617 | // Here, we compute Y and add its members to the overloaded | ||||
14618 | // candidate set. | ||||
14619 | for (auto *NS : AssociatedNamespaces) { | ||||
14620 | // When considering an associated namespace, the lookup is the | ||||
14621 | // same as the lookup performed when the associated namespace is | ||||
14622 | // used as a qualifier (3.4.3.2) except that: | ||||
14623 | // | ||||
14624 | // -- Any using-directives in the associated namespace are | ||||
14625 | // ignored. | ||||
14626 | // | ||||
14627 | // -- Any namespace-scope friend functions declared in | ||||
14628 | // associated classes are visible within their respective | ||||
14629 | // namespaces even if they are not visible during an ordinary | ||||
14630 | // lookup (11.4). | ||||
14631 | DeclContext::lookup_result R = NS->lookup(Id.getName()); | ||||
14632 | for (auto *D : R) { | ||||
14633 | auto *Underlying = D; | ||||
14634 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | ||||
14635 | Underlying = USD->getTargetDecl(); | ||||
14636 | |||||
14637 | if (!isa<OMPDeclareReductionDecl>(Underlying) && | ||||
14638 | !isa<OMPDeclareMapperDecl>(Underlying)) | ||||
14639 | continue; | ||||
14640 | |||||
14641 | if (!SemaRef.isVisible(D)) { | ||||
14642 | D = findAcceptableDecl(SemaRef, D); | ||||
14643 | if (!D) | ||||
14644 | continue; | ||||
14645 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | ||||
14646 | Underlying = USD->getTargetDecl(); | ||||
14647 | } | ||||
14648 | Lookups.emplace_back(); | ||||
14649 | Lookups.back().addDecl(Underlying); | ||||
14650 | } | ||||
14651 | } | ||||
14652 | } | ||||
14653 | |||||
14654 | static ExprResult | ||||
14655 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, | ||||
14656 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, | ||||
14657 | const DeclarationNameInfo &ReductionId, QualType Ty, | ||||
14658 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { | ||||
14659 | if (ReductionIdScopeSpec.isInvalid()) | ||||
14660 | return ExprError(); | ||||
14661 | SmallVector<UnresolvedSet<8>, 4> Lookups; | ||||
14662 | if (S) { | ||||
14663 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | ||||
14664 | Lookup.suppressDiagnostics(); | ||||
14665 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { | ||||
14666 | NamedDecl *D = Lookup.getRepresentativeDecl(); | ||||
14667 | do { | ||||
14668 | S = S->getParent(); | ||||
14669 | } while (S && !S->isDeclScope(D)); | ||||
14670 | if (S) | ||||
14671 | S = S->getParent(); | ||||
14672 | Lookups.emplace_back(); | ||||
14673 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||
14674 | Lookup.clear(); | ||||
14675 | } | ||||
14676 | } else if (auto *ULE = | ||||
14677 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { | ||||
14678 | Lookups.push_back(UnresolvedSet<8>()); | ||||
14679 | Decl *PrevD = nullptr; | ||||
14680 | for (NamedDecl *D : ULE->decls()) { | ||||
14681 | if (D == PrevD) | ||||
14682 | Lookups.push_back(UnresolvedSet<8>()); | ||||
14683 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) | ||||
14684 | Lookups.back().addDecl(DRD); | ||||
14685 | PrevD = D; | ||||
14686 | } | ||||
14687 | } | ||||
14688 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || | ||||
14689 | Ty->isInstantiationDependentType() || | ||||
14690 | Ty->containsUnexpandedParameterPack() || | ||||
14691 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | ||||
14692 | return !D->isInvalidDecl() && | ||||
14693 | (D->getType()->isDependentType() || | ||||
14694 | D->getType()->isInstantiationDependentType() || | ||||
14695 | D->getType()->containsUnexpandedParameterPack()); | ||||
14696 | })) { | ||||
14697 | UnresolvedSet<8> ResSet; | ||||
14698 | for (const UnresolvedSet<8> &Set : Lookups) { | ||||
14699 | if (Set.empty()) | ||||
14700 | continue; | ||||
14701 | ResSet.append(Set.begin(), Set.end()); | ||||
14702 | // The last item marks the end of all declarations at the specified scope. | ||||
14703 | ResSet.addDecl(Set[Set.size() - 1]); | ||||
14704 | } | ||||
14705 | return UnresolvedLookupExpr::Create( | ||||
14706 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||
14707 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, | ||||
14708 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); | ||||
14709 | } | ||||
14710 | // Lookup inside the classes. | ||||
14711 | // C++ [over.match.oper]p3: | ||||
14712 | // For a unary operator @ with an operand of a type whose | ||||
14713 | // cv-unqualified version is T1, and for a binary operator @ with | ||||
14714 | // a left operand of a type whose cv-unqualified version is T1 and | ||||
14715 | // a right operand of a type whose cv-unqualified version is T2, | ||||
14716 | // three sets of candidate functions, designated member | ||||
14717 | // candidates, non-member candidates and built-in candidates, are | ||||
14718 | // constructed as follows: | ||||
14719 | // -- If T1 is a complete class type or a class currently being | ||||
14720 | // defined, the set of member candidates is the result of the | ||||
14721 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, | ||||
14722 | // the set of member candidates is empty. | ||||
14723 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | ||||
14724 | Lookup.suppressDiagnostics(); | ||||
14725 | if (const auto *TyRec = Ty->getAs<RecordType>()) { | ||||
14726 | // Complete the type if it can be completed. | ||||
14727 | // If the type is neither complete nor being defined, bail out now. | ||||
14728 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || | ||||
14729 | TyRec->getDecl()->getDefinition()) { | ||||
14730 | Lookup.clear(); | ||||
14731 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); | ||||
14732 | if (Lookup.empty()) { | ||||
14733 | Lookups.emplace_back(); | ||||
14734 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||
14735 | } | ||||
14736 | } | ||||
14737 | } | ||||
14738 | // Perform ADL. | ||||
14739 | if (SemaRef.getLangOpts().CPlusPlus) | ||||
14740 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); | ||||
14741 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
14742 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { | ||||
14743 | if (!D->isInvalidDecl() && | ||||
14744 | SemaRef.Context.hasSameType(D->getType(), Ty)) | ||||
14745 | return D; | ||||
14746 | return nullptr; | ||||
14747 | })) | ||||
14748 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), | ||||
14749 | VK_LValue, Loc); | ||||
14750 | if (SemaRef.getLangOpts().CPlusPlus) { | ||||
14751 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
14752 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { | ||||
14753 | if (!D->isInvalidDecl() && | ||||
14754 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && | ||||
14755 | !Ty.isMoreQualifiedThan(D->getType())) | ||||
14756 | return D; | ||||
14757 | return nullptr; | ||||
14758 | })) { | ||||
14759 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | ||||
14760 | /*DetectVirtual=*/false); | ||||
14761 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { | ||||
14762 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | ||||
14763 | VD->getType().getUnqualifiedType()))) { | ||||
14764 | if (SemaRef.CheckBaseClassAccess( | ||||
14765 | Loc, VD->getType(), Ty, Paths.front(), | ||||
14766 | /*DiagID=*/0) != Sema::AR_inaccessible) { | ||||
14767 | SemaRef.BuildBasePathArray(Paths, BasePath); | ||||
14768 | return SemaRef.BuildDeclRefExpr( | ||||
14769 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); | ||||
14770 | } | ||||
14771 | } | ||||
14772 | } | ||||
14773 | } | ||||
14774 | } | ||||
14775 | if (ReductionIdScopeSpec.isSet()) { | ||||
14776 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) | ||||
14777 | << Ty << Range; | ||||
14778 | return ExprError(); | ||||
14779 | } | ||||
14780 | return ExprEmpty(); | ||||
14781 | } | ||||
14782 | |||||
14783 | namespace { | ||||
14784 | /// Data for the reduction-based clauses. | ||||
14785 | struct ReductionData { | ||||
14786 | /// List of original reduction items. | ||||
14787 | SmallVector<Expr *, 8> Vars; | ||||
14788 | /// List of private copies of the reduction items. | ||||
14789 | SmallVector<Expr *, 8> Privates; | ||||
14790 | /// LHS expressions for the reduction_op expressions. | ||||
14791 | SmallVector<Expr *, 8> LHSs; | ||||
14792 | /// RHS expressions for the reduction_op expressions. | ||||
14793 | SmallVector<Expr *, 8> RHSs; | ||||
14794 | /// Reduction operation expression. | ||||
14795 | SmallVector<Expr *, 8> ReductionOps; | ||||
14796 | /// inscan copy operation expressions. | ||||
14797 | SmallVector<Expr *, 8> InscanCopyOps; | ||||
14798 | /// inscan copy temp array expressions for prefix sums. | ||||
14799 | SmallVector<Expr *, 8> InscanCopyArrayTemps; | ||||
14800 | /// inscan copy temp array element expressions for prefix sums. | ||||
14801 | SmallVector<Expr *, 8> InscanCopyArrayElems; | ||||
14802 | /// Taskgroup descriptors for the corresponding reduction items in | ||||
14803 | /// in_reduction clauses. | ||||
14804 | SmallVector<Expr *, 8> TaskgroupDescriptors; | ||||
14805 | /// List of captures for clause. | ||||
14806 | SmallVector<Decl *, 4> ExprCaptures; | ||||
14807 | /// List of postupdate expressions. | ||||
14808 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||
14809 | /// Reduction modifier. | ||||
14810 | unsigned RedModifier = 0; | ||||
14811 | ReductionData() = delete; | ||||
14812 | /// Reserves required memory for the reduction data. | ||||
14813 | ReductionData(unsigned Size, unsigned Modifier = 0) : RedModifier(Modifier) { | ||||
14814 | Vars.reserve(Size); | ||||
14815 | Privates.reserve(Size); | ||||
14816 | LHSs.reserve(Size); | ||||
14817 | RHSs.reserve(Size); | ||||
14818 | ReductionOps.reserve(Size); | ||||
14819 | if (RedModifier == OMPC_REDUCTION_inscan) { | ||||
14820 | InscanCopyOps.reserve(Size); | ||||
14821 | InscanCopyArrayTemps.reserve(Size); | ||||
14822 | InscanCopyArrayElems.reserve(Size); | ||||
14823 | } | ||||
14824 | TaskgroupDescriptors.reserve(Size); | ||||
14825 | ExprCaptures.reserve(Size); | ||||
14826 | ExprPostUpdates.reserve(Size); | ||||
14827 | } | ||||
14828 | /// Stores reduction item and reduction operation only (required for dependent | ||||
14829 | /// reduction item). | ||||
14830 | void push(Expr *Item, Expr *ReductionOp) { | ||||
14831 | Vars.emplace_back(Item); | ||||
14832 | Privates.emplace_back(nullptr); | ||||
14833 | LHSs.emplace_back(nullptr); | ||||
14834 | RHSs.emplace_back(nullptr); | ||||
14835 | ReductionOps.emplace_back(ReductionOp); | ||||
14836 | TaskgroupDescriptors.emplace_back(nullptr); | ||||
14837 | if (RedModifier == OMPC_REDUCTION_inscan) { | ||||
14838 | InscanCopyOps.push_back(nullptr); | ||||
14839 | InscanCopyArrayTemps.push_back(nullptr); | ||||
14840 | InscanCopyArrayElems.push_back(nullptr); | ||||
14841 | } | ||||
14842 | } | ||||
14843 | /// Stores reduction data. | ||||
14844 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, | ||||
14845 | Expr *TaskgroupDescriptor, Expr *CopyOp, Expr *CopyArrayTemp, | ||||
14846 | Expr *CopyArrayElem) { | ||||
14847 | Vars.emplace_back(Item); | ||||
14848 | Privates.emplace_back(Private); | ||||
14849 | LHSs.emplace_back(LHS); | ||||
14850 | RHSs.emplace_back(RHS); | ||||
14851 | ReductionOps.emplace_back(ReductionOp); | ||||
14852 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); | ||||
14853 | if (RedModifier == OMPC_REDUCTION_inscan) { | ||||
14854 | InscanCopyOps.push_back(CopyOp); | ||||
14855 | InscanCopyArrayTemps.push_back(CopyArrayTemp); | ||||
14856 | InscanCopyArrayElems.push_back(CopyArrayElem); | ||||
14857 | } else { | ||||
14858 | assert(CopyOp == nullptr && CopyArrayTemp == nullptr &&((CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && "Copy operation must be used for inscan reductions only." ) ? static_cast<void> (0) : __assert_fail ("CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && \"Copy operation must be used for inscan reductions only.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14860, __PRETTY_FUNCTION__)) | ||||
14859 | CopyArrayElem == nullptr &&((CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && "Copy operation must be used for inscan reductions only." ) ? static_cast<void> (0) : __assert_fail ("CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && \"Copy operation must be used for inscan reductions only.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14860, __PRETTY_FUNCTION__)) | ||||
14860 | "Copy operation must be used for inscan reductions only.")((CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && "Copy operation must be used for inscan reductions only." ) ? static_cast<void> (0) : __assert_fail ("CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && \"Copy operation must be used for inscan reductions only.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 14860, __PRETTY_FUNCTION__)); | ||||
14861 | } | ||||
14862 | } | ||||
14863 | }; | ||||
14864 | } // namespace | ||||
14865 | |||||
14866 | static bool checkOMPArraySectionConstantForReduction( | ||||
14867 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, | ||||
14868 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { | ||||
14869 | const Expr *Length = OASE->getLength(); | ||||
14870 | if (Length == nullptr) { | ||||
14871 | // For array sections of the form [1:] or [:], we would need to analyze | ||||
14872 | // the lower bound... | ||||
14873 | if (OASE->getColonLocFirst().isValid()) | ||||
14874 | return false; | ||||
14875 | |||||
14876 | // This is an array subscript which has implicit length 1! | ||||
14877 | SingleElement = true; | ||||
14878 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||
14879 | } else { | ||||
14880 | Expr::EvalResult Result; | ||||
14881 | if (!Length->EvaluateAsInt(Result, Context)) | ||||
14882 | return false; | ||||
14883 | |||||
14884 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | ||||
14885 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); | ||||
14886 | ArraySizes.push_back(ConstantLengthValue); | ||||
14887 | } | ||||
14888 | |||||
14889 | // Get the base of this array section and walk up from there. | ||||
14890 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||
14891 | |||||
14892 | // We require length = 1 for all array sections except the right-most to | ||||
14893 | // guarantee that the memory region is contiguous and has no holes in it. | ||||
14894 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { | ||||
14895 | Length = TempOASE->getLength(); | ||||
14896 | if (Length == nullptr) { | ||||
14897 | // For array sections of the form [1:] or [:], we would need to analyze | ||||
14898 | // the lower bound... | ||||
14899 | if (OASE->getColonLocFirst().isValid()) | ||||
14900 | return false; | ||||
14901 | |||||
14902 | // This is an array subscript which has implicit length 1! | ||||
14903 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||
14904 | } else { | ||||
14905 | Expr::EvalResult Result; | ||||
14906 | if (!Length->EvaluateAsInt(Result, Context)) | ||||
14907 | return false; | ||||
14908 | |||||
14909 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | ||||
14910 | if (ConstantLengthValue.getSExtValue() != 1) | ||||
14911 | return false; | ||||
14912 | |||||
14913 | ArraySizes.push_back(ConstantLengthValue); | ||||
14914 | } | ||||
14915 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||
14916 | } | ||||
14917 | |||||
14918 | // If we have a single element, we don't need to add the implicit lengths. | ||||
14919 | if (!SingleElement) { | ||||
14920 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { | ||||
14921 | // Has implicit length 1! | ||||
14922 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||
14923 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
14924 | } | ||||
14925 | } | ||||
14926 | |||||
14927 | // This array section can be privatized as a single value or as a constant | ||||
14928 | // sized array. | ||||
14929 | return true; | ||||
14930 | } | ||||
14931 | |||||
14932 | static bool actOnOMPReductionKindClause( | ||||
14933 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, | ||||
14934 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
14935 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
14936 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
14937 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { | ||||
14938 | DeclarationName DN = ReductionId.getName(); | ||||
14939 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); | ||||
14940 | BinaryOperatorKind BOK = BO_Comma; | ||||
14941 | |||||
14942 | ASTContext &Context = S.Context; | ||||
14943 | // OpenMP [2.14.3.6, reduction clause] | ||||
14944 | // C | ||||
14945 | // reduction-identifier is either an identifier or one of the following | ||||
14946 | // operators: +, -, *, &, |, ^, && and || | ||||
14947 | // C++ | ||||
14948 | // reduction-identifier is either an id-expression or one of the following | ||||
14949 | // operators: +, -, *, &, |, ^, && and || | ||||
14950 | switch (OOK) { | ||||
14951 | case OO_Plus: | ||||
14952 | case OO_Minus: | ||||
14953 | BOK = BO_Add; | ||||
14954 | break; | ||||
14955 | case OO_Star: | ||||
14956 | BOK = BO_Mul; | ||||
14957 | break; | ||||
14958 | case OO_Amp: | ||||
14959 | BOK = BO_And; | ||||
14960 | break; | ||||
14961 | case OO_Pipe: | ||||
14962 | BOK = BO_Or; | ||||
14963 | break; | ||||
14964 | case OO_Caret: | ||||
14965 | BOK = BO_Xor; | ||||
14966 | break; | ||||
14967 | case OO_AmpAmp: | ||||
14968 | BOK = BO_LAnd; | ||||
14969 | break; | ||||
14970 | case OO_PipePipe: | ||||
14971 | BOK = BO_LOr; | ||||
14972 | break; | ||||
14973 | case OO_New: | ||||
14974 | case OO_Delete: | ||||
14975 | case OO_Array_New: | ||||
14976 | case OO_Array_Delete: | ||||
14977 | case OO_Slash: | ||||
14978 | case OO_Percent: | ||||
14979 | case OO_Tilde: | ||||
14980 | case OO_Exclaim: | ||||
14981 | case OO_Equal: | ||||
14982 | case OO_Less: | ||||
14983 | case OO_Greater: | ||||
14984 | case OO_LessEqual: | ||||
14985 | case OO_GreaterEqual: | ||||
14986 | case OO_PlusEqual: | ||||
14987 | case OO_MinusEqual: | ||||
14988 | case OO_StarEqual: | ||||
14989 | case OO_SlashEqual: | ||||
14990 | case OO_PercentEqual: | ||||
14991 | case OO_CaretEqual: | ||||
14992 | case OO_AmpEqual: | ||||
14993 | case OO_PipeEqual: | ||||
14994 | case OO_LessLess: | ||||
14995 | case OO_GreaterGreater: | ||||
14996 | case OO_LessLessEqual: | ||||
14997 | case OO_GreaterGreaterEqual: | ||||
14998 | case OO_EqualEqual: | ||||
14999 | case OO_ExclaimEqual: | ||||
15000 | case OO_Spaceship: | ||||
15001 | case OO_PlusPlus: | ||||
15002 | case OO_MinusMinus: | ||||
15003 | case OO_Comma: | ||||
15004 | case OO_ArrowStar: | ||||
15005 | case OO_Arrow: | ||||
15006 | case OO_Call: | ||||
15007 | case OO_Subscript: | ||||
15008 | case OO_Conditional: | ||||
15009 | case OO_Coawait: | ||||
15010 | case NUM_OVERLOADED_OPERATORS: | ||||
15011 | llvm_unreachable("Unexpected reduction identifier")::llvm::llvm_unreachable_internal("Unexpected reduction identifier" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 15011); | ||||
15012 | case OO_None: | ||||
15013 | if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { | ||||
15014 | if (II->isStr("max")) | ||||
15015 | BOK = BO_GT; | ||||
15016 | else if (II->isStr("min")) | ||||
15017 | BOK = BO_LT; | ||||
15018 | } | ||||
15019 | break; | ||||
15020 | } | ||||
15021 | SourceRange ReductionIdRange; | ||||
15022 | if (ReductionIdScopeSpec.isValid()) | ||||
15023 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); | ||||
15024 | else | ||||
15025 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); | ||||
15026 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); | ||||
15027 | |||||
15028 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); | ||||
15029 | bool FirstIter = true; | ||||
15030 | for (Expr *RefExpr : VarList) { | ||||
15031 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")((RefExpr && "nullptr expr in OpenMP reduction clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"nullptr expr in OpenMP reduction clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 15031, __PRETTY_FUNCTION__)); | ||||
15032 | // OpenMP [2.1, C/C++] | ||||
15033 | // A list item is a variable or array section, subject to the restrictions | ||||
15034 | // specified in Section 2.4 on page 42 and in each of the sections | ||||
15035 | // describing clauses and directives for which a list appears. | ||||
15036 | // OpenMP [2.14.3.3, Restrictions, p.1] | ||||
15037 | // A variable that is part of another variable (as an array or | ||||
15038 | // structure element) cannot appear in a private clause. | ||||
15039 | if (!FirstIter && IR != ER) | ||||
15040 | ++IR; | ||||
15041 | FirstIter = false; | ||||
15042 | SourceLocation ELoc; | ||||
15043 | SourceRange ERange; | ||||
15044 | Expr *SimpleRefExpr = RefExpr; | ||||
15045 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||
15046 | /*AllowArraySection=*/true); | ||||
15047 | if (Res.second) { | ||||
15048 | // Try to find 'declare reduction' corresponding construct before using | ||||
15049 | // builtin/overloaded operators. | ||||
15050 | QualType Type = Context.DependentTy; | ||||
15051 | CXXCastPath BasePath; | ||||
15052 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | ||||
15053 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | ||||
15054 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | ||||
15055 | Expr *ReductionOp = nullptr; | ||||
15056 | if (S.CurContext->isDependentContext() && | ||||
15057 | (DeclareReductionRef.isUnset() || | ||||
15058 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) | ||||
15059 | ReductionOp = DeclareReductionRef.get(); | ||||
15060 | // It will be analyzed later. | ||||
15061 | RD.push(RefExpr, ReductionOp); | ||||
15062 | } | ||||
15063 | ValueDecl *D = Res.first; | ||||
15064 | if (!D) | ||||
15065 | continue; | ||||
15066 | |||||
15067 | Expr *TaskgroupDescriptor = nullptr; | ||||
15068 | QualType Type; | ||||
15069 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); | ||||
15070 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); | ||||
15071 | if (ASE) { | ||||
15072 | Type = ASE->getType().getNonReferenceType(); | ||||
15073 | } else if (OASE) { | ||||
15074 | QualType BaseType = | ||||
15075 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||
15076 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||
15077 | Type = ATy->getElementType(); | ||||
15078 | else | ||||
15079 | Type = BaseType->getPointeeType(); | ||||
15080 | Type = Type.getNonReferenceType(); | ||||
15081 | } else { | ||||
15082 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); | ||||
15083 | } | ||||
15084 | auto *VD = dyn_cast<VarDecl>(D); | ||||
15085 | |||||
15086 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||
15087 | // A variable that appears in a private clause must not have an incomplete | ||||
15088 | // type or a reference type. | ||||
15089 | if (S.RequireCompleteType(ELoc, D->getType(), | ||||
15090 | diag::err_omp_reduction_incomplete_type)) | ||||
15091 | continue; | ||||
15092 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | ||||
15093 | // A list item that appears in a reduction clause must not be | ||||
15094 | // const-qualified. | ||||
15095 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, | ||||
15096 | /*AcceptIfMutable*/ false, ASE || OASE)) | ||||
15097 | continue; | ||||
15098 | |||||
15099 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); | ||||
15100 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] | ||||
15101 | // If a list-item is a reference type then it must bind to the same object | ||||
15102 | // for all threads of the team. | ||||
15103 | if (!ASE && !OASE) { | ||||
15104 | if (VD) { | ||||
15105 | VarDecl *VDDef = VD->getDefinition(); | ||||
15106 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { | ||||
15107 | DSARefChecker Check(Stack); | ||||
15108 | if (Check.Visit(VDDef->getInit())) { | ||||
15109 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) | ||||
15110 | << getOpenMPClauseName(ClauseKind) << ERange; | ||||
15111 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; | ||||
15112 | continue; | ||||
15113 | } | ||||
15114 | } | ||||
15115 | } | ||||
15116 | |||||
15117 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
15118 | // in a Construct] | ||||
15119 | // Variables with the predetermined data-sharing attributes may not be | ||||
15120 | // listed in data-sharing attributes clauses, except for the cases | ||||
15121 | // listed below. For these exceptions only, listing a predetermined | ||||
15122 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
15123 | // the variable's predetermined data-sharing attributes. | ||||
15124 | // OpenMP [2.14.3.6, Restrictions, p.3] | ||||
15125 | // Any number of reduction clauses can be specified on the directive, | ||||
15126 | // but a list item can appear only once in the reduction clauses for that | ||||
15127 | // directive. | ||||
15128 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | ||||
15129 | if (DVar.CKind == OMPC_reduction) { | ||||
15130 | S.Diag(ELoc, diag::err_omp_once_referenced) | ||||
15131 | << getOpenMPClauseName(ClauseKind); | ||||
15132 | if (DVar.RefExpr) | ||||
15133 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); | ||||
15134 | continue; | ||||
15135 | } | ||||
15136 | if (DVar.CKind != OMPC_unknown) { | ||||
15137 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
15138 | << getOpenMPClauseName(DVar.CKind) | ||||
15139 | << getOpenMPClauseName(OMPC_reduction); | ||||
15140 | reportOriginalDsa(S, Stack, D, DVar); | ||||
15141 | continue; | ||||
15142 | } | ||||
15143 | |||||
15144 | // OpenMP [2.14.3.6, Restrictions, p.1] | ||||
15145 | // A list item that appears in a reduction clause of a worksharing | ||||
15146 | // construct must be shared in the parallel regions to which any of the | ||||
15147 | // worksharing regions arising from the worksharing construct bind. | ||||
15148 | if (isOpenMPWorksharingDirective(CurrDir) && | ||||
15149 | !isOpenMPParallelDirective(CurrDir) && | ||||
15150 | !isOpenMPTeamsDirective(CurrDir)) { | ||||
15151 | DVar = Stack->getImplicitDSA(D, true); | ||||
15152 | if (DVar.CKind != OMPC_shared) { | ||||
15153 | S.Diag(ELoc, diag::err_omp_required_access) | ||||
15154 | << getOpenMPClauseName(OMPC_reduction) | ||||
15155 | << getOpenMPClauseName(OMPC_shared); | ||||
15156 | reportOriginalDsa(S, Stack, D, DVar); | ||||
15157 | continue; | ||||
15158 | } | ||||
15159 | } | ||||
15160 | } else { | ||||
15161 | // Threadprivates cannot be shared between threads, so dignose if the base | ||||
15162 | // is a threadprivate variable. | ||||
15163 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | ||||
15164 | if (DVar.CKind == OMPC_threadprivate) { | ||||
15165 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
15166 | << getOpenMPClauseName(DVar.CKind) | ||||
15167 | << getOpenMPClauseName(OMPC_reduction); | ||||
15168 | reportOriginalDsa(S, Stack, D, DVar); | ||||
15169 | continue; | ||||
15170 | } | ||||
15171 | } | ||||
15172 | |||||
15173 | // Try to find 'declare reduction' corresponding construct before using | ||||
15174 | // builtin/overloaded operators. | ||||
15175 | CXXCastPath BasePath; | ||||
15176 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | ||||
15177 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | ||||
15178 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | ||||
15179 | if (DeclareReductionRef.isInvalid()) | ||||
15180 | continue; | ||||
15181 | if (S.CurContext->isDependentContext() && | ||||
15182 | (DeclareReductionRef.isUnset() || | ||||
15183 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { | ||||
15184 | RD.push(RefExpr, DeclareReductionRef.get()); | ||||
15185 | continue; | ||||
15186 | } | ||||
15187 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { | ||||
15188 | // Not allowed reduction identifier is found. | ||||
15189 | S.Diag(ReductionId.getBeginLoc(), | ||||
15190 | diag::err_omp_unknown_reduction_identifier) | ||||
15191 | << Type << ReductionIdRange; | ||||
15192 | continue; | ||||
15193 | } | ||||
15194 | |||||
15195 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | ||||
15196 | // The type of a list item that appears in a reduction clause must be valid | ||||
15197 | // for the reduction-identifier. For a max or min reduction in C, the type | ||||
15198 | // of the list item must be an allowed arithmetic data type: char, int, | ||||
15199 | // float, double, or _Bool, possibly modified with long, short, signed, or | ||||
15200 | // unsigned. For a max or min reduction in C++, the type of the list item | ||||
15201 | // must be an allowed arithmetic data type: char, wchar_t, int, float, | ||||
15202 | // double, or bool, possibly modified with long, short, signed, or unsigned. | ||||
15203 | if (DeclareReductionRef.isUnset()) { | ||||
15204 | if ((BOK == BO_GT || BOK == BO_LT) && | ||||
15205 | !(Type->isScalarType() || | ||||
15206 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { | ||||
15207 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) | ||||
15208 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; | ||||
15209 | if (!ASE && !OASE) { | ||||
15210 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
15211 | VarDecl::DeclarationOnly; | ||||
15212 | S.Diag(D->getLocation(), | ||||
15213 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
15214 | << D; | ||||
15215 | } | ||||
15216 | continue; | ||||
15217 | } | ||||
15218 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && | ||||
15219 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { | ||||
15220 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) | ||||
15221 | << getOpenMPClauseName(ClauseKind); | ||||
15222 | if (!ASE && !OASE) { | ||||
15223 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
15224 | VarDecl::DeclarationOnly; | ||||
15225 | S.Diag(D->getLocation(), | ||||
15226 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
15227 | << D; | ||||
15228 | } | ||||
15229 | continue; | ||||
15230 | } | ||||
15231 | } | ||||
15232 | |||||
15233 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); | ||||
15234 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", | ||||
15235 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
15236 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), | ||||
15237 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
15238 | QualType PrivateTy = Type; | ||||
15239 | |||||
15240 | // Try if we can determine constant lengths for all array sections and avoid | ||||
15241 | // the VLA. | ||||
15242 | bool ConstantLengthOASE = false; | ||||
15243 | if (OASE) { | ||||
15244 | bool SingleElement; | ||||
15245 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; | ||||
15246 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( | ||||
15247 | Context, OASE, SingleElement, ArraySizes); | ||||
15248 | |||||
15249 | // If we don't have a single element, we must emit a constant array type. | ||||
15250 | if (ConstantLengthOASE && !SingleElement) { | ||||
15251 | for (llvm::APSInt &Size : ArraySizes) | ||||
15252 | PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr, | ||||
15253 | ArrayType::Normal, | ||||
15254 | /*IndexTypeQuals=*/0); | ||||
15255 | } | ||||
15256 | } | ||||
15257 | |||||
15258 | if ((OASE && !ConstantLengthOASE) || | ||||
15259 | (!OASE && !ASE && | ||||
15260 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { | ||||
15261 | if (!Context.getTargetInfo().isVLASupported()) { | ||||
15262 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { | ||||
15263 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | ||||
15264 | S.Diag(ELoc, diag::note_vla_unsupported); | ||||
15265 | continue; | ||||
15266 | } else { | ||||
15267 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | ||||
15268 | S.targetDiag(ELoc, diag::note_vla_unsupported); | ||||
15269 | } | ||||
15270 | } | ||||
15271 | // For arrays/array sections only: | ||||
15272 | // Create pseudo array type for private copy. The size for this array will | ||||
15273 | // be generated during codegen. | ||||
15274 | // For array subscripts or single variables Private Ty is the same as Type | ||||
15275 | // (type of the variable or single array element). | ||||
15276 | PrivateTy = Context.getVariableArrayType( | ||||
15277 | Type, | ||||
15278 | new (Context) OpaqueValueExpr(ELoc, Context.getSizeType(), VK_RValue), | ||||
15279 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); | ||||
15280 | } else if (!ASE && !OASE && | ||||
15281 | Context.getAsArrayType(D->getType().getNonReferenceType())) { | ||||
15282 | PrivateTy = D->getType().getNonReferenceType(); | ||||
15283 | } | ||||
15284 | // Private copy. | ||||
15285 | VarDecl *PrivateVD = | ||||
15286 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | ||||
15287 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
15288 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
15289 | // Add initializer for private variable. | ||||
15290 | Expr *Init = nullptr; | ||||
15291 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); | ||||
15292 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); | ||||
15293 | if (DeclareReductionRef.isUsable()) { | ||||
15294 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); | ||||
15295 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); | ||||
15296 | if (DRD->getInitializer()) { | ||||
15297 | S.ActOnUninitializedDecl(PrivateVD); | ||||
15298 | Init = DRDRef; | ||||
15299 | RHSVD->setInit(DRDRef); | ||||
15300 | RHSVD->setInitStyle(VarDecl::CallInit); | ||||
15301 | } | ||||
15302 | } else { | ||||
15303 | switch (BOK) { | ||||
15304 | case BO_Add: | ||||
15305 | case BO_Xor: | ||||
15306 | case BO_Or: | ||||
15307 | case BO_LOr: | ||||
15308 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. | ||||
15309 | if (Type->isScalarType() || Type->isAnyComplexType()) | ||||
15310 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); | ||||
15311 | break; | ||||
15312 | case BO_Mul: | ||||
15313 | case BO_LAnd: | ||||
15314 | if (Type->isScalarType() || Type->isAnyComplexType()) { | ||||
15315 | // '*' and '&&' reduction ops - initializer is '1'. | ||||
15316 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); | ||||
15317 | } | ||||
15318 | break; | ||||
15319 | case BO_And: { | ||||
15320 | // '&' reduction op - initializer is '~0'. | ||||
15321 | QualType OrigType = Type; | ||||
15322 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) | ||||
15323 | Type = ComplexTy->getElementType(); | ||||
15324 | if (Type->isRealFloatingType()) { | ||||
15325 | llvm::APFloat InitValue = llvm::APFloat::getAllOnesValue( | ||||
15326 | Context.getFloatTypeSemantics(Type), | ||||
15327 | Context.getTypeSize(Type)); | ||||
15328 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | ||||
15329 | Type, ELoc); | ||||
15330 | } else if (Type->isScalarType()) { | ||||
15331 | uint64_t Size = Context.getTypeSize(Type); | ||||
15332 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); | ||||
15333 | llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); | ||||
15334 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | ||||
15335 | } | ||||
15336 | if (Init && OrigType->isAnyComplexType()) { | ||||
15337 | // Init = 0xFFFF + 0xFFFFi; | ||||
15338 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); | ||||
15339 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); | ||||
15340 | } | ||||
15341 | Type = OrigType; | ||||
15342 | break; | ||||
15343 | } | ||||
15344 | case BO_LT: | ||||
15345 | case BO_GT: { | ||||
15346 | // 'min' reduction op - initializer is 'Largest representable number in | ||||
15347 | // the reduction list item type'. | ||||
15348 | // 'max' reduction op - initializer is 'Least representable number in | ||||
15349 | // the reduction list item type'. | ||||
15350 | if (Type->isIntegerType() || Type->isPointerType()) { | ||||
15351 | bool IsSigned = Type->hasSignedIntegerRepresentation(); | ||||
15352 | uint64_t Size = Context.getTypeSize(Type); | ||||
15353 | QualType IntTy = | ||||
15354 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); | ||||
15355 | llvm::APInt InitValue = | ||||
15356 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) | ||||
15357 | : llvm::APInt::getMinValue(Size) | ||||
15358 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) | ||||
15359 | : llvm::APInt::getMaxValue(Size); | ||||
15360 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | ||||
15361 | if (Type->isPointerType()) { | ||||
15362 | // Cast to pointer type. | ||||
15363 | ExprResult CastExpr = S.BuildCStyleCastExpr( | ||||
15364 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); | ||||
15365 | if (CastExpr.isInvalid()) | ||||
15366 | continue; | ||||
15367 | Init = CastExpr.get(); | ||||
15368 | } | ||||
15369 | } else if (Type->isRealFloatingType()) { | ||||
15370 | llvm::APFloat InitValue = llvm::APFloat::getLargest( | ||||
15371 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); | ||||
15372 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | ||||
15373 | Type, ELoc); | ||||
15374 | } | ||||
15375 | break; | ||||
15376 | } | ||||
15377 | case BO_PtrMemD: | ||||
15378 | case BO_PtrMemI: | ||||
15379 | case BO_MulAssign: | ||||
15380 | case BO_Div: | ||||
15381 | case BO_Rem: | ||||
15382 | case BO_Sub: | ||||
15383 | case BO_Shl: | ||||
15384 | case BO_Shr: | ||||
15385 | case BO_LE: | ||||
15386 | case BO_GE: | ||||
15387 | case BO_EQ: | ||||
15388 | case BO_NE: | ||||
15389 | case BO_Cmp: | ||||
15390 | case BO_AndAssign: | ||||
15391 | case BO_XorAssign: | ||||
15392 | case BO_OrAssign: | ||||
15393 | case BO_Assign: | ||||
15394 | case BO_AddAssign: | ||||
15395 | case BO_SubAssign: | ||||
15396 | case BO_DivAssign: | ||||
15397 | case BO_RemAssign: | ||||
15398 | case BO_ShlAssign: | ||||
15399 | case BO_ShrAssign: | ||||
15400 | case BO_Comma: | ||||
15401 | llvm_unreachable("Unexpected reduction operation")::llvm::llvm_unreachable_internal("Unexpected reduction operation" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 15401); | ||||
15402 | } | ||||
15403 | } | ||||
15404 | if (Init && DeclareReductionRef.isUnset()) { | ||||
15405 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); | ||||
15406 | // Store initializer for single element in private copy. Will be used | ||||
15407 | // during codegen. | ||||
15408 | PrivateVD->setInit(RHSVD->getInit()); | ||||
15409 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | ||||
15410 | } else if (!Init) { | ||||
15411 | S.ActOnUninitializedDecl(RHSVD); | ||||
15412 | // Store initializer for single element in private copy. Will be used | ||||
15413 | // during codegen. | ||||
15414 | PrivateVD->setInit(RHSVD->getInit()); | ||||
15415 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | ||||
15416 | } | ||||
15417 | if (RHSVD->isInvalidDecl()) | ||||
15418 | continue; | ||||
15419 | if (!RHSVD->hasInit() && | ||||
15420 | (DeclareReductionRef.isUnset() || !S.LangOpts.CPlusPlus)) { | ||||
15421 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) | ||||
15422 | << Type << ReductionIdRange; | ||||
15423 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
15424 | VarDecl::DeclarationOnly; | ||||
15425 | S.Diag(D->getLocation(), | ||||
15426 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
15427 | << D; | ||||
15428 | continue; | ||||
15429 | } | ||||
15430 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); | ||||
15431 | ExprResult ReductionOp; | ||||
15432 | if (DeclareReductionRef.isUsable()) { | ||||
15433 | QualType RedTy = DeclareReductionRef.get()->getType(); | ||||
15434 | QualType PtrRedTy = Context.getPointerType(RedTy); | ||||
15435 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); | ||||
15436 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); | ||||
15437 | if (!BasePath.empty()) { | ||||
15438 | LHS = S.DefaultLvalueConversion(LHS.get()); | ||||
15439 | RHS = S.DefaultLvalueConversion(RHS.get()); | ||||
15440 | LHS = ImplicitCastExpr::Create( | ||||
15441 | Context, PtrRedTy, CK_UncheckedDerivedToBase, LHS.get(), &BasePath, | ||||
15442 | LHS.get()->getValueKind(), FPOptionsOverride()); | ||||
15443 | RHS = ImplicitCastExpr::Create( | ||||
15444 | Context, PtrRedTy, CK_UncheckedDerivedToBase, RHS.get(), &BasePath, | ||||
15445 | RHS.get()->getValueKind(), FPOptionsOverride()); | ||||
15446 | } | ||||
15447 | FunctionProtoType::ExtProtoInfo EPI; | ||||
15448 | QualType Params[] = {PtrRedTy, PtrRedTy}; | ||||
15449 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); | ||||
15450 | auto *OVE = new (Context) OpaqueValueExpr( | ||||
15451 | ELoc, Context.getPointerType(FnTy), VK_RValue, OK_Ordinary, | ||||
15452 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); | ||||
15453 | Expr *Args[] = {LHS.get(), RHS.get()}; | ||||
15454 | ReductionOp = | ||||
15455 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_RValue, ELoc, | ||||
15456 | S.CurFPFeatureOverrides()); | ||||
15457 | } else { | ||||
15458 | ReductionOp = S.BuildBinOp( | ||||
15459 | Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, LHSDRE, RHSDRE); | ||||
15460 | if (ReductionOp.isUsable()) { | ||||
15461 | if (BOK != BO_LT && BOK != BO_GT) { | ||||
15462 | ReductionOp = | ||||
15463 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | ||||
15464 | BO_Assign, LHSDRE, ReductionOp.get()); | ||||
15465 | } else { | ||||
15466 | auto *ConditionalOp = new (Context) | ||||
15467 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, RHSDRE, | ||||
15468 | Type, VK_LValue, OK_Ordinary); | ||||
15469 | ReductionOp = | ||||
15470 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | ||||
15471 | BO_Assign, LHSDRE, ConditionalOp); | ||||
15472 | } | ||||
15473 | if (ReductionOp.isUsable()) | ||||
15474 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), | ||||
15475 | /*DiscardedValue*/ false); | ||||
15476 | } | ||||
15477 | if (!ReductionOp.isUsable()) | ||||
15478 | continue; | ||||
15479 | } | ||||
15480 | |||||
15481 | // Add copy operations for inscan reductions. | ||||
15482 | // LHS = RHS; | ||||
15483 | ExprResult CopyOpRes, TempArrayRes, TempArrayElem; | ||||
15484 | if (ClauseKind == OMPC_reduction && | ||||
15485 | RD.RedModifier == OMPC_REDUCTION_inscan) { | ||||
15486 | ExprResult RHS = S.DefaultLvalueConversion(RHSDRE); | ||||
15487 | CopyOpRes = S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, LHSDRE, | ||||
15488 | RHS.get()); | ||||
15489 | if (!CopyOpRes.isUsable()) | ||||
15490 | continue; | ||||
15491 | CopyOpRes = | ||||
15492 | S.ActOnFinishFullExpr(CopyOpRes.get(), /*DiscardedValue=*/true); | ||||
15493 | if (!CopyOpRes.isUsable()) | ||||
15494 | continue; | ||||
15495 | // For simd directive and simd-based directives in simd mode no need to | ||||
15496 | // construct temp array, need just a single temp element. | ||||
15497 | if (Stack->getCurrentDirective() == OMPD_simd || | ||||
15498 | (S.getLangOpts().OpenMPSimd && | ||||
15499 | isOpenMPSimdDirective(Stack->getCurrentDirective()))) { | ||||
15500 | VarDecl *TempArrayVD = | ||||
15501 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | ||||
15502 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
15503 | // Add a constructor to the temp decl. | ||||
15504 | S.ActOnUninitializedDecl(TempArrayVD); | ||||
15505 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, PrivateTy, ELoc); | ||||
15506 | } else { | ||||
15507 | // Build temp array for prefix sum. | ||||
15508 | auto *Dim = new (S.Context) | ||||
15509 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_RValue); | ||||
15510 | QualType ArrayTy = | ||||
15511 | S.Context.getVariableArrayType(PrivateTy, Dim, ArrayType::Normal, | ||||
15512 | /*IndexTypeQuals=*/0, {ELoc, ELoc}); | ||||
15513 | VarDecl *TempArrayVD = | ||||
15514 | buildVarDecl(S, ELoc, ArrayTy, D->getName(), | ||||
15515 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
15516 | // Add a constructor to the temp decl. | ||||
15517 | S.ActOnUninitializedDecl(TempArrayVD); | ||||
15518 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, ArrayTy, ELoc); | ||||
15519 | TempArrayElem = | ||||
15520 | S.DefaultFunctionArrayLvalueConversion(TempArrayRes.get()); | ||||
15521 | auto *Idx = new (S.Context) | ||||
15522 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_RValue); | ||||
15523 | TempArrayElem = S.CreateBuiltinArraySubscriptExpr(TempArrayElem.get(), | ||||
15524 | ELoc, Idx, ELoc); | ||||
15525 | } | ||||
15526 | } | ||||
15527 | |||||
15528 | // OpenMP [2.15.4.6, Restrictions, p.2] | ||||
15529 | // A list item that appears in an in_reduction clause of a task construct | ||||
15530 | // must appear in a task_reduction clause of a construct associated with a | ||||
15531 | // taskgroup region that includes the participating task in its taskgroup | ||||
15532 | // set. The construct associated with the innermost region that meets this | ||||
15533 | // condition must specify the same reduction-identifier as the in_reduction | ||||
15534 | // clause. | ||||
15535 | if (ClauseKind == OMPC_in_reduction) { | ||||
15536 | SourceRange ParentSR; | ||||
15537 | BinaryOperatorKind ParentBOK; | ||||
15538 | const Expr *ParentReductionOp = nullptr; | ||||
15539 | Expr *ParentBOKTD = nullptr, *ParentReductionOpTD = nullptr; | ||||
15540 | DSAStackTy::DSAVarData ParentBOKDSA = | ||||
15541 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, | ||||
15542 | ParentBOKTD); | ||||
15543 | DSAStackTy::DSAVarData ParentReductionOpDSA = | ||||
15544 | Stack->getTopMostTaskgroupReductionData( | ||||
15545 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); | ||||
15546 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; | ||||
15547 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; | ||||
15548 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || | ||||
15549 | (DeclareReductionRef.isUsable() && IsParentBOK) || | ||||
15550 | (IsParentBOK && BOK != ParentBOK) || IsParentReductionOp) { | ||||
15551 | bool EmitError = true; | ||||
15552 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { | ||||
15553 | llvm::FoldingSetNodeID RedId, ParentRedId; | ||||
15554 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); | ||||
15555 | DeclareReductionRef.get()->Profile(RedId, Context, | ||||
15556 | /*Canonical=*/true); | ||||
15557 | EmitError = RedId != ParentRedId; | ||||
15558 | } | ||||
15559 | if (EmitError) { | ||||
15560 | S.Diag(ReductionId.getBeginLoc(), | ||||
15561 | diag::err_omp_reduction_identifier_mismatch) | ||||
15562 | << ReductionIdRange << RefExpr->getSourceRange(); | ||||
15563 | S.Diag(ParentSR.getBegin(), | ||||
15564 | diag::note_omp_previous_reduction_identifier) | ||||
15565 | << ParentSR | ||||
15566 | << (IsParentBOK ? ParentBOKDSA.RefExpr | ||||
15567 | : ParentReductionOpDSA.RefExpr) | ||||
15568 | ->getSourceRange(); | ||||
15569 | continue; | ||||
15570 | } | ||||
15571 | } | ||||
15572 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; | ||||
15573 | } | ||||
15574 | |||||
15575 | DeclRefExpr *Ref = nullptr; | ||||
15576 | Expr *VarsExpr = RefExpr->IgnoreParens(); | ||||
15577 | if (!VD && !S.CurContext->isDependentContext()) { | ||||
15578 | if (ASE || OASE) { | ||||
15579 | TransformExprToCaptures RebuildToCapture(S, D); | ||||
15580 | VarsExpr = | ||||
15581 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); | ||||
15582 | Ref = RebuildToCapture.getCapturedExpr(); | ||||
15583 | } else { | ||||
15584 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); | ||||
15585 | } | ||||
15586 | if (!S.isOpenMPCapturedDecl(D)) { | ||||
15587 | RD.ExprCaptures.emplace_back(Ref->getDecl()); | ||||
15588 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
15589 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); | ||||
15590 | if (!RefRes.isUsable()) | ||||
15591 | continue; | ||||
15592 | ExprResult PostUpdateRes = | ||||
15593 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | ||||
15594 | RefRes.get()); | ||||
15595 | if (!PostUpdateRes.isUsable()) | ||||
15596 | continue; | ||||
15597 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | ||||
15598 | Stack->getCurrentDirective() == OMPD_taskgroup) { | ||||
15599 | S.Diag(RefExpr->getExprLoc(), | ||||
15600 | diag::err_omp_reduction_non_addressable_expression) | ||||
15601 | << RefExpr->getSourceRange(); | ||||
15602 | continue; | ||||
15603 | } | ||||
15604 | RD.ExprPostUpdates.emplace_back( | ||||
15605 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||
15606 | } | ||||
15607 | } | ||||
15608 | } | ||||
15609 | // All reduction items are still marked as reduction (to do not increase | ||||
15610 | // code base size). | ||||
15611 | unsigned Modifier = RD.RedModifier; | ||||
15612 | // Consider task_reductions as reductions with task modifier. Required for | ||||
15613 | // correct analysis of in_reduction clauses. | ||||
15614 | if (CurrDir == OMPD_taskgroup && ClauseKind == OMPC_task_reduction) | ||||
15615 | Modifier = OMPC_REDUCTION_task; | ||||
15616 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref, Modifier, | ||||
15617 | ASE || OASE); | ||||
15618 | if (Modifier == OMPC_REDUCTION_task && | ||||
15619 | (CurrDir == OMPD_taskgroup || | ||||
15620 | ((isOpenMPParallelDirective(CurrDir) || | ||||
15621 | isOpenMPWorksharingDirective(CurrDir)) && | ||||
15622 | !isOpenMPSimdDirective(CurrDir)))) { | ||||
15623 | if (DeclareReductionRef.isUsable()) | ||||
15624 | Stack->addTaskgroupReductionData(D, ReductionIdRange, | ||||
15625 | DeclareReductionRef.get()); | ||||
15626 | else | ||||
15627 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); | ||||
15628 | } | ||||
15629 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), | ||||
15630 | TaskgroupDescriptor, CopyOpRes.get(), TempArrayRes.get(), | ||||
15631 | TempArrayElem.get()); | ||||
15632 | } | ||||
15633 | return RD.Vars.empty(); | ||||
15634 | } | ||||
15635 | |||||
15636 | OMPClause *Sema::ActOnOpenMPReductionClause( | ||||
15637 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, | ||||
15638 | SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
15639 | SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
15640 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
15641 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
15642 | if (ModifierLoc.isValid() && Modifier == OMPC_REDUCTION_unknown) { | ||||
15643 | Diag(LParenLoc, diag::err_omp_unexpected_clause_value) | ||||
15644 | << getListOfPossibleValues(OMPC_reduction, /*First=*/0, | ||||
15645 | /*Last=*/OMPC_REDUCTION_unknown) | ||||
15646 | << getOpenMPClauseName(OMPC_reduction); | ||||
15647 | return nullptr; | ||||
15648 | } | ||||
15649 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions | ||||
15650 | // A reduction clause with the inscan reduction-modifier may only appear on a | ||||
15651 | // worksharing-loop construct, a worksharing-loop SIMD construct, a simd | ||||
15652 | // construct, a parallel worksharing-loop construct or a parallel | ||||
15653 | // worksharing-loop SIMD construct. | ||||
15654 | if (Modifier == OMPC_REDUCTION_inscan && | ||||
15655 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for && | ||||
15656 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for_simd && | ||||
15657 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_simd && | ||||
15658 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for && | ||||
15659 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for_simd)) { | ||||
15660 | Diag(ModifierLoc, diag::err_omp_wrong_inscan_reduction); | ||||
15661 | return nullptr; | ||||
15662 | } | ||||
15663 | |||||
15664 | ReductionData RD(VarList.size(), Modifier); | ||||
15665 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, | ||||
15666 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||
15667 | ReductionIdScopeSpec, ReductionId, | ||||
15668 | UnresolvedReductions, RD)) | ||||
15669 | return nullptr; | ||||
15670 | |||||
15671 | return OMPReductionClause::Create( | ||||
15672 | Context, StartLoc, LParenLoc, ModifierLoc, ColonLoc, EndLoc, Modifier, | ||||
15673 | RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||
15674 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.InscanCopyOps, | ||||
15675 | RD.InscanCopyArrayTemps, RD.InscanCopyArrayElems, | ||||
15676 | buildPreInits(Context, RD.ExprCaptures), | ||||
15677 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||
15678 | } | ||||
15679 | |||||
15680 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( | ||||
15681 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
15682 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
15683 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
15684 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
15685 | ReductionData RD(VarList.size()); | ||||
15686 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, | ||||
15687 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||
15688 | ReductionIdScopeSpec, ReductionId, | ||||
15689 | UnresolvedReductions, RD)) | ||||
15690 | return nullptr; | ||||
15691 | |||||
15692 | return OMPTaskReductionClause::Create( | ||||
15693 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | ||||
15694 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||
15695 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | ||||
15696 | buildPreInits(Context, RD.ExprCaptures), | ||||
15697 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||
15698 | } | ||||
15699 | |||||
15700 | OMPClause *Sema::ActOnOpenMPInReductionClause( | ||||
15701 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
15702 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
15703 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
15704 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
15705 | ReductionData RD(VarList.size()); | ||||
15706 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, | ||||
15707 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||
15708 | ReductionIdScopeSpec, ReductionId, | ||||
15709 | UnresolvedReductions, RD)) | ||||
15710 | return nullptr; | ||||
15711 | |||||
15712 | return OMPInReductionClause::Create( | ||||
15713 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | ||||
15714 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||
15715 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, | ||||
15716 | buildPreInits(Context, RD.ExprCaptures), | ||||
15717 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||
15718 | } | ||||
15719 | |||||
15720 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, | ||||
15721 | SourceLocation LinLoc) { | ||||
15722 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || | ||||
15723 | LinKind == OMPC_LINEAR_unknown) { | ||||
15724 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; | ||||
15725 | return true; | ||||
15726 | } | ||||
15727 | return false; | ||||
15728 | } | ||||
15729 | |||||
15730 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, | ||||
15731 | OpenMPLinearClauseKind LinKind, QualType Type, | ||||
15732 | bool IsDeclareSimd) { | ||||
15733 | const auto *VD = dyn_cast_or_null<VarDecl>(D); | ||||
15734 | // A variable must not have an incomplete type or a reference type. | ||||
15735 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) | ||||
15736 | return true; | ||||
15737 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && | ||||
15738 | !Type->isReferenceType()) { | ||||
15739 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) | ||||
15740 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); | ||||
15741 | return true; | ||||
15742 | } | ||||
15743 | Type = Type.getNonReferenceType(); | ||||
15744 | |||||
15745 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||
15746 | // A variable that is privatized must not have a const-qualified type | ||||
15747 | // unless it is of class type with a mutable member. This restriction does | ||||
15748 | // not apply to the firstprivate clause, nor to the linear clause on | ||||
15749 | // declarative directives (like declare simd). | ||||
15750 | if (!IsDeclareSimd && | ||||
15751 | rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) | ||||
15752 | return true; | ||||
15753 | |||||
15754 | // A list item must be of integral or pointer type. | ||||
15755 | Type = Type.getUnqualifiedType().getCanonicalType(); | ||||
15756 | const auto *Ty = Type.getTypePtrOrNull(); | ||||
15757 | if (!Ty || (LinKind != OMPC_LINEAR_ref && !Ty->isDependentType() && | ||||
15758 | !Ty->isIntegralType(Context) && !Ty->isPointerType())) { | ||||
15759 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; | ||||
15760 | if (D) { | ||||
15761 | bool IsDecl = | ||||
15762 | !VD || | ||||
15763 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
15764 | Diag(D->getLocation(), | ||||
15765 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
15766 | << D; | ||||
15767 | } | ||||
15768 | return true; | ||||
15769 | } | ||||
15770 | return false; | ||||
15771 | } | ||||
15772 | |||||
15773 | OMPClause *Sema::ActOnOpenMPLinearClause( | ||||
15774 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, | ||||
15775 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, | ||||
15776 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | ||||
15777 | SmallVector<Expr *, 8> Vars; | ||||
15778 | SmallVector<Expr *, 8> Privates; | ||||
15779 | SmallVector<Expr *, 8> Inits; | ||||
15780 | SmallVector<Decl *, 4> ExprCaptures; | ||||
15781 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||
15782 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) | ||||
15783 | LinKind = OMPC_LINEAR_val; | ||||
15784 | for (Expr *RefExpr : VarList) { | ||||
15785 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 15785, __PRETTY_FUNCTION__)); | ||||
15786 | SourceLocation ELoc; | ||||
15787 | SourceRange ERange; | ||||
15788 | Expr *SimpleRefExpr = RefExpr; | ||||
15789 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
15790 | if (Res.second) { | ||||
15791 | // It will be analyzed later. | ||||
15792 | Vars.push_back(RefExpr); | ||||
15793 | Privates.push_back(nullptr); | ||||
15794 | Inits.push_back(nullptr); | ||||
15795 | } | ||||
15796 | ValueDecl *D = Res.first; | ||||
15797 | if (!D) | ||||
15798 | continue; | ||||
15799 | |||||
15800 | QualType Type = D->getType(); | ||||
15801 | auto *VD = dyn_cast<VarDecl>(D); | ||||
15802 | |||||
15803 | // OpenMP [2.14.3.7, linear clause] | ||||
15804 | // A list-item cannot appear in more than one linear clause. | ||||
15805 | // A list-item that appears in a linear clause cannot appear in any | ||||
15806 | // other data-sharing attribute clause. | ||||
15807 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
15808 | if (DVar.RefExpr) { | ||||
15809 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||
15810 | << getOpenMPClauseName(OMPC_linear); | ||||
15811 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
15812 | continue; | ||||
15813 | } | ||||
15814 | |||||
15815 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) | ||||
15816 | continue; | ||||
15817 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | ||||
15818 | |||||
15819 | // Build private copy of original var. | ||||
15820 | VarDecl *Private = | ||||
15821 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
15822 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
15823 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
15824 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); | ||||
15825 | // Build var to save initial value. | ||||
15826 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); | ||||
15827 | Expr *InitExpr; | ||||
15828 | DeclRefExpr *Ref = nullptr; | ||||
15829 | if (!VD && !CurContext->isDependentContext()) { | ||||
15830 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
15831 | if (!isOpenMPCapturedDecl(D)) { | ||||
15832 | ExprCaptures.push_back(Ref->getDecl()); | ||||
15833 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
15834 | ExprResult RefRes = DefaultLvalueConversion(Ref); | ||||
15835 | if (!RefRes.isUsable()) | ||||
15836 | continue; | ||||
15837 | ExprResult PostUpdateRes = | ||||
15838 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, | ||||
15839 | SimpleRefExpr, RefRes.get()); | ||||
15840 | if (!PostUpdateRes.isUsable()) | ||||
15841 | continue; | ||||
15842 | ExprPostUpdates.push_back( | ||||
15843 | IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||
15844 | } | ||||
15845 | } | ||||
15846 | } | ||||
15847 | if (LinKind == OMPC_LINEAR_uval) | ||||
15848 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; | ||||
15849 | else | ||||
15850 | InitExpr = VD ? SimpleRefExpr : Ref; | ||||
15851 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), | ||||
15852 | /*DirectInit=*/false); | ||||
15853 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); | ||||
15854 | |||||
15855 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); | ||||
15856 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
15857 | ? RefExpr->IgnoreParens() | ||||
15858 | : Ref); | ||||
15859 | Privates.push_back(PrivateRef); | ||||
15860 | Inits.push_back(InitRef); | ||||
15861 | } | ||||
15862 | |||||
15863 | if (Vars.empty()) | ||||
15864 | return nullptr; | ||||
15865 | |||||
15866 | Expr *StepExpr = Step; | ||||
15867 | Expr *CalcStepExpr = nullptr; | ||||
15868 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | ||||
15869 | !Step->isInstantiationDependent() && | ||||
15870 | !Step->containsUnexpandedParameterPack()) { | ||||
15871 | SourceLocation StepLoc = Step->getBeginLoc(); | ||||
15872 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); | ||||
15873 | if (Val.isInvalid()) | ||||
15874 | return nullptr; | ||||
15875 | StepExpr = Val.get(); | ||||
15876 | |||||
15877 | // Build var to save the step value. | ||||
15878 | VarDecl *SaveVar = | ||||
15879 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); | ||||
15880 | ExprResult SaveRef = | ||||
15881 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); | ||||
15882 | ExprResult CalcStep = | ||||
15883 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); | ||||
15884 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); | ||||
15885 | |||||
15886 | // Warn about zero linear step (it would be probably better specified as | ||||
15887 | // making corresponding variables 'const'). | ||||
15888 | if (Optional<llvm::APSInt> Result = | ||||
15889 | StepExpr->getIntegerConstantExpr(Context)) { | ||||
15890 | if (!Result->isNegative() && !Result->isStrictlyPositive()) | ||||
15891 | Diag(StepLoc, diag::warn_omp_linear_step_zero) | ||||
15892 | << Vars[0] << (Vars.size() > 1); | ||||
15893 | } else if (CalcStep.isUsable()) { | ||||
15894 | // Calculate the step beforehand instead of doing this on each iteration. | ||||
15895 | // (This is not used if the number of iterations may be kfold-ed). | ||||
15896 | CalcStepExpr = CalcStep.get(); | ||||
15897 | } | ||||
15898 | } | ||||
15899 | |||||
15900 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, | ||||
15901 | ColonLoc, EndLoc, Vars, Privates, Inits, | ||||
15902 | StepExpr, CalcStepExpr, | ||||
15903 | buildPreInits(Context, ExprCaptures), | ||||
15904 | buildPostUpdate(*this, ExprPostUpdates)); | ||||
15905 | } | ||||
15906 | |||||
15907 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | ||||
15908 | Expr *NumIterations, Sema &SemaRef, | ||||
15909 | Scope *S, DSAStackTy *Stack) { | ||||
15910 | // Walk the vars and build update/final expressions for the CodeGen. | ||||
15911 | SmallVector<Expr *, 8> Updates; | ||||
15912 | SmallVector<Expr *, 8> Finals; | ||||
15913 | SmallVector<Expr *, 8> UsedExprs; | ||||
15914 | Expr *Step = Clause.getStep(); | ||||
15915 | Expr *CalcStep = Clause.getCalcStep(); | ||||
15916 | // OpenMP [2.14.3.7, linear clause] | ||||
15917 | // If linear-step is not specified it is assumed to be 1. | ||||
15918 | if (!Step) | ||||
15919 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | ||||
15920 | else if (CalcStep) | ||||
15921 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); | ||||
15922 | bool HasErrors = false; | ||||
15923 | auto CurInit = Clause.inits().begin(); | ||||
15924 | auto CurPrivate = Clause.privates().begin(); | ||||
15925 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); | ||||
15926 | for (Expr *RefExpr : Clause.varlists()) { | ||||
15927 | SourceLocation ELoc; | ||||
15928 | SourceRange ERange; | ||||
15929 | Expr *SimpleRefExpr = RefExpr; | ||||
15930 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); | ||||
15931 | ValueDecl *D = Res.first; | ||||
15932 | if (Res.second || !D) { | ||||
15933 | Updates.push_back(nullptr); | ||||
15934 | Finals.push_back(nullptr); | ||||
15935 | HasErrors = true; | ||||
15936 | continue; | ||||
15937 | } | ||||
15938 | auto &&Info = Stack->isLoopControlVariable(D); | ||||
15939 | // OpenMP [2.15.11, distribute simd Construct] | ||||
15940 | // A list item may not appear in a linear clause, unless it is the loop | ||||
15941 | // iteration variable. | ||||
15942 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && | ||||
15943 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { | ||||
15944 | SemaRef.Diag(ELoc, | ||||
15945 | diag::err_omp_linear_distribute_var_non_loop_iteration); | ||||
15946 | Updates.push_back(nullptr); | ||||
15947 | Finals.push_back(nullptr); | ||||
15948 | HasErrors = true; | ||||
15949 | continue; | ||||
15950 | } | ||||
15951 | Expr *InitExpr = *CurInit; | ||||
15952 | |||||
15953 | // Build privatized reference to the current linear var. | ||||
15954 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); | ||||
15955 | Expr *CapturedRef; | ||||
15956 | if (LinKind == OMPC_LINEAR_uval) | ||||
15957 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); | ||||
15958 | else | ||||
15959 | CapturedRef = | ||||
15960 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), | ||||
15961 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), | ||||
15962 | /*RefersToCapture=*/true); | ||||
15963 | |||||
15964 | // Build update: Var = InitExpr + IV * Step | ||||
15965 | ExprResult Update; | ||||
15966 | if (!Info.first) | ||||
15967 | Update = buildCounterUpdate( | ||||
15968 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, | ||||
15969 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); | ||||
15970 | else | ||||
15971 | Update = *CurPrivate; | ||||
15972 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), | ||||
15973 | /*DiscardedValue*/ false); | ||||
15974 | |||||
15975 | // Build final: Var = InitExpr + NumIterations * Step | ||||
15976 | ExprResult Final; | ||||
15977 | if (!Info.first) | ||||
15978 | Final = | ||||
15979 | buildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), CapturedRef, | ||||
15980 | InitExpr, NumIterations, Step, /*Subtract=*/false, | ||||
15981 | /*IsNonRectangularLB=*/false); | ||||
15982 | else | ||||
15983 | Final = *CurPrivate; | ||||
15984 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), | ||||
15985 | /*DiscardedValue*/ false); | ||||
15986 | |||||
15987 | if (!Update.isUsable() || !Final.isUsable()) { | ||||
15988 | Updates.push_back(nullptr); | ||||
15989 | Finals.push_back(nullptr); | ||||
15990 | UsedExprs.push_back(nullptr); | ||||
15991 | HasErrors = true; | ||||
15992 | } else { | ||||
15993 | Updates.push_back(Update.get()); | ||||
15994 | Finals.push_back(Final.get()); | ||||
15995 | if (!Info.first) | ||||
15996 | UsedExprs.push_back(SimpleRefExpr); | ||||
15997 | } | ||||
15998 | ++CurInit; | ||||
15999 | ++CurPrivate; | ||||
16000 | } | ||||
16001 | if (Expr *S = Clause.getStep()) | ||||
16002 | UsedExprs.push_back(S); | ||||
16003 | // Fill the remaining part with the nullptr. | ||||
16004 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); | ||||
16005 | Clause.setUpdates(Updates); | ||||
16006 | Clause.setFinals(Finals); | ||||
16007 | Clause.setUsedExprs(UsedExprs); | ||||
16008 | return HasErrors; | ||||
16009 | } | ||||
16010 | |||||
16011 | OMPClause *Sema::ActOnOpenMPAlignedClause( | ||||
16012 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, | ||||
16013 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | ||||
16014 | SmallVector<Expr *, 8> Vars; | ||||
16015 | for (Expr *RefExpr : VarList) { | ||||
16016 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16016, __PRETTY_FUNCTION__)); | ||||
16017 | SourceLocation ELoc; | ||||
16018 | SourceRange ERange; | ||||
16019 | Expr *SimpleRefExpr = RefExpr; | ||||
16020 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
16021 | if (Res.second) { | ||||
16022 | // It will be analyzed later. | ||||
16023 | Vars.push_back(RefExpr); | ||||
16024 | } | ||||
16025 | ValueDecl *D = Res.first; | ||||
16026 | if (!D) | ||||
16027 | continue; | ||||
16028 | |||||
16029 | QualType QType = D->getType(); | ||||
16030 | auto *VD = dyn_cast<VarDecl>(D); | ||||
16031 | |||||
16032 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
16033 | // The type of list items appearing in the aligned clause must be | ||||
16034 | // array, pointer, reference to array, or reference to pointer. | ||||
16035 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | ||||
16036 | const Type *Ty = QType.getTypePtrOrNull(); | ||||
16037 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | ||||
16038 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) | ||||
16039 | << QType << getLangOpts().CPlusPlus << ERange; | ||||
16040 | bool IsDecl = | ||||
16041 | !VD || | ||||
16042 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
16043 | Diag(D->getLocation(), | ||||
16044 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
16045 | << D; | ||||
16046 | continue; | ||||
16047 | } | ||||
16048 | |||||
16049 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
16050 | // A list-item cannot appear in more than one aligned clause. | ||||
16051 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { | ||||
16052 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | ||||
16053 | << 0 << getOpenMPClauseName(OMPC_aligned) << ERange; | ||||
16054 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
16055 | << getOpenMPClauseName(OMPC_aligned); | ||||
16056 | continue; | ||||
16057 | } | ||||
16058 | |||||
16059 | DeclRefExpr *Ref = nullptr; | ||||
16060 | if (!VD && isOpenMPCapturedDecl(D)) | ||||
16061 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
16062 | Vars.push_back(DefaultFunctionArrayConversion( | ||||
16063 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) | ||||
16064 | .get()); | ||||
16065 | } | ||||
16066 | |||||
16067 | // OpenMP [2.8.1, simd construct, Description] | ||||
16068 | // The parameter of the aligned clause, alignment, must be a constant | ||||
16069 | // positive integer expression. | ||||
16070 | // If no optional parameter is specified, implementation-defined default | ||||
16071 | // alignments for SIMD instructions on the target platforms are assumed. | ||||
16072 | if (Alignment != nullptr) { | ||||
16073 | ExprResult AlignResult = | ||||
16074 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); | ||||
16075 | if (AlignResult.isInvalid()) | ||||
16076 | return nullptr; | ||||
16077 | Alignment = AlignResult.get(); | ||||
16078 | } | ||||
16079 | if (Vars.empty()) | ||||
16080 | return nullptr; | ||||
16081 | |||||
16082 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | ||||
16083 | EndLoc, Vars, Alignment); | ||||
16084 | } | ||||
16085 | |||||
16086 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, | ||||
16087 | SourceLocation StartLoc, | ||||
16088 | SourceLocation LParenLoc, | ||||
16089 | SourceLocation EndLoc) { | ||||
16090 | SmallVector<Expr *, 8> Vars; | ||||
16091 | SmallVector<Expr *, 8> SrcExprs; | ||||
16092 | SmallVector<Expr *, 8> DstExprs; | ||||
16093 | SmallVector<Expr *, 8> AssignmentOps; | ||||
16094 | for (Expr *RefExpr : VarList) { | ||||
16095 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")((RefExpr && "NULL expr in OpenMP copyin clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP copyin clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16095, __PRETTY_FUNCTION__)); | ||||
16096 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | ||||
16097 | // It will be analyzed later. | ||||
16098 | Vars.push_back(RefExpr); | ||||
16099 | SrcExprs.push_back(nullptr); | ||||
16100 | DstExprs.push_back(nullptr); | ||||
16101 | AssignmentOps.push_back(nullptr); | ||||
16102 | continue; | ||||
16103 | } | ||||
16104 | |||||
16105 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||
16106 | // OpenMP [2.1, C/C++] | ||||
16107 | // A list item is a variable name. | ||||
16108 | // OpenMP [2.14.4.1, Restrictions, p.1] | ||||
16109 | // A list item that appears in a copyin clause must be threadprivate. | ||||
16110 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); | ||||
16111 | if (!DE || !isa<VarDecl>(DE->getDecl())) { | ||||
16112 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) | ||||
16113 | << 0 << RefExpr->getSourceRange(); | ||||
16114 | continue; | ||||
16115 | } | ||||
16116 | |||||
16117 | Decl *D = DE->getDecl(); | ||||
16118 | auto *VD = cast<VarDecl>(D); | ||||
16119 | |||||
16120 | QualType Type = VD->getType(); | ||||
16121 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { | ||||
16122 | // It will be analyzed later. | ||||
16123 | Vars.push_back(DE); | ||||
16124 | SrcExprs.push_back(nullptr); | ||||
16125 | DstExprs.push_back(nullptr); | ||||
16126 | AssignmentOps.push_back(nullptr); | ||||
16127 | continue; | ||||
16128 | } | ||||
16129 | |||||
16130 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] | ||||
16131 | // A list item that appears in a copyin clause must be threadprivate. | ||||
16132 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
16133 | Diag(ELoc, diag::err_omp_required_access) | ||||
16134 | << getOpenMPClauseName(OMPC_copyin) | ||||
16135 | << getOpenMPDirectiveName(OMPD_threadprivate); | ||||
16136 | continue; | ||||
16137 | } | ||||
16138 | |||||
16139 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | ||||
16140 | // A variable of class type (or array thereof) that appears in a | ||||
16141 | // copyin clause requires an accessible, unambiguous copy assignment | ||||
16142 | // operator for the class type. | ||||
16143 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | ||||
16144 | VarDecl *SrcVD = | ||||
16145 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), | ||||
16146 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); | ||||
16147 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( | ||||
16148 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); | ||||
16149 | VarDecl *DstVD = | ||||
16150 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", | ||||
16151 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); | ||||
16152 | DeclRefExpr *PseudoDstExpr = | ||||
16153 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); | ||||
16154 | // For arrays generate assignment operation for single element and replace | ||||
16155 | // it by the original array element in CodeGen. | ||||
16156 | ExprResult AssignmentOp = | ||||
16157 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, | ||||
16158 | PseudoSrcExpr); | ||||
16159 | if (AssignmentOp.isInvalid()) | ||||
16160 | continue; | ||||
16161 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), | ||||
16162 | /*DiscardedValue*/ false); | ||||
16163 | if (AssignmentOp.isInvalid()) | ||||
16164 | continue; | ||||
16165 | |||||
16166 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); | ||||
16167 | Vars.push_back(DE); | ||||
16168 | SrcExprs.push_back(PseudoSrcExpr); | ||||
16169 | DstExprs.push_back(PseudoDstExpr); | ||||
16170 | AssignmentOps.push_back(AssignmentOp.get()); | ||||
16171 | } | ||||
16172 | |||||
16173 | if (Vars.empty()) | ||||
16174 | return nullptr; | ||||
16175 | |||||
16176 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | ||||
16177 | SrcExprs, DstExprs, AssignmentOps); | ||||
16178 | } | ||||
16179 | |||||
16180 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, | ||||
16181 | SourceLocation StartLoc, | ||||
16182 | SourceLocation LParenLoc, | ||||
16183 | SourceLocation EndLoc) { | ||||
16184 | SmallVector<Expr *, 8> Vars; | ||||
16185 | SmallVector<Expr *, 8> SrcExprs; | ||||
16186 | SmallVector<Expr *, 8> DstExprs; | ||||
16187 | SmallVector<Expr *, 8> AssignmentOps; | ||||
16188 | for (Expr *RefExpr : VarList) { | ||||
16189 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16189, __PRETTY_FUNCTION__)); | ||||
16190 | SourceLocation ELoc; | ||||
16191 | SourceRange ERange; | ||||
16192 | Expr *SimpleRefExpr = RefExpr; | ||||
16193 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
16194 | if (Res.second) { | ||||
16195 | // It will be analyzed later. | ||||
16196 | Vars.push_back(RefExpr); | ||||
16197 | SrcExprs.push_back(nullptr); | ||||
16198 | DstExprs.push_back(nullptr); | ||||
16199 | AssignmentOps.push_back(nullptr); | ||||
16200 | } | ||||
16201 | ValueDecl *D = Res.first; | ||||
16202 | if (!D) | ||||
16203 | continue; | ||||
16204 | |||||
16205 | QualType Type = D->getType(); | ||||
16206 | auto *VD = dyn_cast<VarDecl>(D); | ||||
16207 | |||||
16208 | // OpenMP [2.14.4.2, Restrictions, p.2] | ||||
16209 | // A list item that appears in a copyprivate clause may not appear in a | ||||
16210 | // private or firstprivate clause on the single construct. | ||||
16211 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
16212 | DSAStackTy::DSAVarData DVar = | ||||
16213 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
16214 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && | ||||
16215 | DVar.RefExpr) { | ||||
16216 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
16217 | << getOpenMPClauseName(DVar.CKind) | ||||
16218 | << getOpenMPClauseName(OMPC_copyprivate); | ||||
16219 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
16220 | continue; | ||||
16221 | } | ||||
16222 | |||||
16223 | // OpenMP [2.11.4.2, Restrictions, p.1] | ||||
16224 | // All list items that appear in a copyprivate clause must be either | ||||
16225 | // threadprivate or private in the enclosing context. | ||||
16226 | if (DVar.CKind == OMPC_unknown) { | ||||
16227 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); | ||||
16228 | if (DVar.CKind == OMPC_shared) { | ||||
16229 | Diag(ELoc, diag::err_omp_required_access) | ||||
16230 | << getOpenMPClauseName(OMPC_copyprivate) | ||||
16231 | << "threadprivate or private in the enclosing context"; | ||||
16232 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
16233 | continue; | ||||
16234 | } | ||||
16235 | } | ||||
16236 | } | ||||
16237 | |||||
16238 | // Variably modified types are not supported. | ||||
16239 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { | ||||
16240 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||
16241 | << getOpenMPClauseName(OMPC_copyprivate) << Type | ||||
16242 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
16243 | bool IsDecl = | ||||
16244 | !VD || | ||||
16245 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
16246 | Diag(D->getLocation(), | ||||
16247 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
16248 | << D; | ||||
16249 | continue; | ||||
16250 | } | ||||
16251 | |||||
16252 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | ||||
16253 | // A variable of class type (or array thereof) that appears in a | ||||
16254 | // copyin clause requires an accessible, unambiguous copy assignment | ||||
16255 | // operator for the class type. | ||||
16256 | Type = Context.getBaseElementType(Type.getNonReferenceType()) | ||||
16257 | .getUnqualifiedType(); | ||||
16258 | VarDecl *SrcVD = | ||||
16259 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", | ||||
16260 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
16261 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); | ||||
16262 | VarDecl *DstVD = | ||||
16263 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", | ||||
16264 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
16265 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | ||||
16266 | ExprResult AssignmentOp = BuildBinOp( | ||||
16267 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); | ||||
16268 | if (AssignmentOp.isInvalid()) | ||||
16269 | continue; | ||||
16270 | AssignmentOp = | ||||
16271 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | ||||
16272 | if (AssignmentOp.isInvalid()) | ||||
16273 | continue; | ||||
16274 | |||||
16275 | // No need to mark vars as copyprivate, they are already threadprivate or | ||||
16276 | // implicitly private. | ||||
16277 | assert(VD || isOpenMPCapturedDecl(D))((VD || isOpenMPCapturedDecl(D)) ? static_cast<void> (0 ) : __assert_fail ("VD || isOpenMPCapturedDecl(D)", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16277, __PRETTY_FUNCTION__)); | ||||
16278 | Vars.push_back( | ||||
16279 | VD ? RefExpr->IgnoreParens() | ||||
16280 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); | ||||
16281 | SrcExprs.push_back(PseudoSrcExpr); | ||||
16282 | DstExprs.push_back(PseudoDstExpr); | ||||
16283 | AssignmentOps.push_back(AssignmentOp.get()); | ||||
16284 | } | ||||
16285 | |||||
16286 | if (Vars.empty()) | ||||
16287 | return nullptr; | ||||
16288 | |||||
16289 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
16290 | Vars, SrcExprs, DstExprs, AssignmentOps); | ||||
16291 | } | ||||
16292 | |||||
16293 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, | ||||
16294 | SourceLocation StartLoc, | ||||
16295 | SourceLocation LParenLoc, | ||||
16296 | SourceLocation EndLoc) { | ||||
16297 | if (VarList.empty()) | ||||
16298 | return nullptr; | ||||
16299 | |||||
16300 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); | ||||
16301 | } | ||||
16302 | |||||
16303 | /// Tries to find omp_depend_t. type. | ||||
16304 | static bool findOMPDependT(Sema &S, SourceLocation Loc, DSAStackTy *Stack, | ||||
16305 | bool Diagnose = true) { | ||||
16306 | QualType OMPDependT = Stack->getOMPDependT(); | ||||
16307 | if (!OMPDependT.isNull()) | ||||
16308 | return true; | ||||
16309 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_depend_t"); | ||||
16310 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); | ||||
16311 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | ||||
16312 | if (Diagnose) | ||||
16313 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_depend_t"; | ||||
16314 | return false; | ||||
16315 | } | ||||
16316 | Stack->setOMPDependT(PT.get()); | ||||
16317 | return true; | ||||
16318 | } | ||||
16319 | |||||
16320 | OMPClause *Sema::ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, | ||||
16321 | SourceLocation LParenLoc, | ||||
16322 | SourceLocation EndLoc) { | ||||
16323 | if (!Depobj) | ||||
16324 | return nullptr; | ||||
16325 | |||||
16326 | bool OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )); | ||||
16327 | |||||
16328 | // OpenMP 5.0, 2.17.10.1 depobj Construct | ||||
16329 | // depobj is an lvalue expression of type omp_depend_t. | ||||
16330 | if (!Depobj->isTypeDependent() && !Depobj->isValueDependent() && | ||||
16331 | !Depobj->isInstantiationDependent() && | ||||
16332 | !Depobj->containsUnexpandedParameterPack() && | ||||
16333 | (OMPDependTFound && | ||||
16334 | !Context.typesAreCompatible(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), Depobj->getType(), | ||||
16335 | /*CompareUnqualified=*/true))) { | ||||
16336 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | ||||
16337 | << 0 << Depobj->getType() << Depobj->getSourceRange(); | ||||
16338 | } | ||||
16339 | |||||
16340 | if (!Depobj->isLValue()) { | ||||
16341 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | ||||
16342 | << 1 << Depobj->getSourceRange(); | ||||
16343 | } | ||||
16344 | |||||
16345 | return OMPDepobjClause::Create(Context, StartLoc, LParenLoc, EndLoc, Depobj); | ||||
16346 | } | ||||
16347 | |||||
16348 | OMPClause * | ||||
16349 | Sema::ActOnOpenMPDependClause(Expr *DepModifier, OpenMPDependClauseKind DepKind, | ||||
16350 | SourceLocation DepLoc, SourceLocation ColonLoc, | ||||
16351 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||
16352 | SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
16353 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && | ||||
16354 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { | ||||
16355 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | ||||
16356 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); | ||||
16357 | return nullptr; | ||||
16358 | } | ||||
16359 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered || | ||||
16360 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | ||||
16361 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || | ||||
16362 | DepKind == OMPC_DEPEND_sink || | ||||
16363 | ((LangOpts.OpenMP < 50 || | ||||
16364 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | ||||
16365 | DepKind == OMPC_DEPEND_depobj))) { | ||||
16366 | SmallVector<unsigned, 3> Except; | ||||
16367 | Except.push_back(OMPC_DEPEND_source); | ||||
16368 | Except.push_back(OMPC_DEPEND_sink); | ||||
16369 | if (LangOpts.OpenMP < 50 || DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) | ||||
16370 | Except.push_back(OMPC_DEPEND_depobj); | ||||
16371 | std::string Expected = (LangOpts.OpenMP >= 50 && !DepModifier) | ||||
16372 | ? "depend modifier(iterator) or " | ||||
16373 | : ""; | ||||
16374 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | ||||
16375 | << Expected + getListOfPossibleValues(OMPC_depend, /*First=*/0, | ||||
16376 | /*Last=*/OMPC_DEPEND_unknown, | ||||
16377 | Except) | ||||
16378 | << getOpenMPClauseName(OMPC_depend); | ||||
16379 | return nullptr; | ||||
16380 | } | ||||
16381 | if (DepModifier && | ||||
16382 | (DepKind == OMPC_DEPEND_source || DepKind == OMPC_DEPEND_sink)) { | ||||
16383 | Diag(DepModifier->getExprLoc(), | ||||
16384 | diag::err_omp_depend_sink_source_with_modifier); | ||||
16385 | return nullptr; | ||||
16386 | } | ||||
16387 | if (DepModifier && | ||||
16388 | !DepModifier->getType()->isSpecificBuiltinType(BuiltinType::OMPIterator)) | ||||
16389 | Diag(DepModifier->getExprLoc(), diag::err_omp_depend_modifier_not_iterator); | ||||
16390 | |||||
16391 | SmallVector<Expr *, 8> Vars; | ||||
16392 | DSAStackTy::OperatorOffsetTy OpsOffs; | ||||
16393 | llvm::APSInt DepCounter(/*BitWidth=*/32); | ||||
16394 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); | ||||
16395 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { | ||||
16396 | if (const Expr *OrderedCountExpr = | ||||
16397 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||
16398 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); | ||||
16399 | TotalDepCount.setIsUnsigned(/*Val=*/true); | ||||
16400 | } | ||||
16401 | } | ||||
16402 | for (Expr *RefExpr : VarList) { | ||||
16403 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((RefExpr && "NULL expr in OpenMP shared clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP shared clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16403, __PRETTY_FUNCTION__)); | ||||
16404 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | ||||
16405 | // It will be analyzed later. | ||||
16406 | Vars.push_back(RefExpr); | ||||
16407 | continue; | ||||
16408 | } | ||||
16409 | |||||
16410 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||
16411 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); | ||||
16412 | if (DepKind == OMPC_DEPEND_sink) { | ||||
16413 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||
16414 | DepCounter >= TotalDepCount) { | ||||
16415 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); | ||||
16416 | continue; | ||||
16417 | } | ||||
16418 | ++DepCounter; | ||||
16419 | // OpenMP [2.13.9, Summary] | ||||
16420 | // depend(dependence-type : vec), where dependence-type is: | ||||
16421 | // 'sink' and where vec is the iteration vector, which has the form: | ||||
16422 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] | ||||
16423 | // where n is the value specified by the ordered clause in the loop | ||||
16424 | // directive, xi denotes the loop iteration variable of the i-th nested | ||||
16425 | // loop associated with the loop directive, and di is a constant | ||||
16426 | // non-negative integer. | ||||
16427 | if (CurContext->isDependentContext()) { | ||||
16428 | // It will be analyzed later. | ||||
16429 | Vars.push_back(RefExpr); | ||||
16430 | continue; | ||||
16431 | } | ||||
16432 | SimpleExpr = SimpleExpr->IgnoreImplicit(); | ||||
16433 | OverloadedOperatorKind OOK = OO_None; | ||||
16434 | SourceLocation OOLoc; | ||||
16435 | Expr *LHS = SimpleExpr; | ||||
16436 | Expr *RHS = nullptr; | ||||
16437 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { | ||||
16438 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); | ||||
16439 | OOLoc = BO->getOperatorLoc(); | ||||
16440 | LHS = BO->getLHS()->IgnoreParenImpCasts(); | ||||
16441 | RHS = BO->getRHS()->IgnoreParenImpCasts(); | ||||
16442 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { | ||||
16443 | OOK = OCE->getOperator(); | ||||
16444 | OOLoc = OCE->getOperatorLoc(); | ||||
16445 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||
16446 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | ||||
16447 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { | ||||
16448 | OOK = MCE->getMethodDecl() | ||||
16449 | ->getNameInfo() | ||||
16450 | .getName() | ||||
16451 | .getCXXOverloadedOperator(); | ||||
16452 | OOLoc = MCE->getCallee()->getExprLoc(); | ||||
16453 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); | ||||
16454 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||
16455 | } | ||||
16456 | SourceLocation ELoc; | ||||
16457 | SourceRange ERange; | ||||
16458 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); | ||||
16459 | if (Res.second) { | ||||
16460 | // It will be analyzed later. | ||||
16461 | Vars.push_back(RefExpr); | ||||
16462 | } | ||||
16463 | ValueDecl *D = Res.first; | ||||
16464 | if (!D) | ||||
16465 | continue; | ||||
16466 | |||||
16467 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { | ||||
16468 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); | ||||
16469 | continue; | ||||
16470 | } | ||||
16471 | if (RHS) { | ||||
16472 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( | ||||
16473 | RHS, OMPC_depend, /*StrictlyPositive=*/false); | ||||
16474 | if (RHSRes.isInvalid()) | ||||
16475 | continue; | ||||
16476 | } | ||||
16477 | if (!CurContext->isDependentContext() && | ||||
16478 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||
16479 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { | ||||
16480 | const ValueDecl *VD = | ||||
16481 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); | ||||
16482 | if (VD) | ||||
16483 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) | ||||
16484 | << 1 << VD; | ||||
16485 | else | ||||
16486 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; | ||||
16487 | continue; | ||||
16488 | } | ||||
16489 | OpsOffs.emplace_back(RHS, OOK); | ||||
16490 | } else { | ||||
16491 | bool OMPDependTFound = LangOpts.OpenMP >= 50; | ||||
16492 | if (OMPDependTFound) | ||||
16493 | OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
16494 | DepKind == OMPC_DEPEND_depobj); | ||||
16495 | if (DepKind == OMPC_DEPEND_depobj) { | ||||
16496 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | ||||
16497 | // List items used in depend clauses with the depobj dependence type | ||||
16498 | // must be expressions of the omp_depend_t type. | ||||
16499 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | ||||
16500 | !RefExpr->isInstantiationDependent() && | ||||
16501 | !RefExpr->containsUnexpandedParameterPack() && | ||||
16502 | (OMPDependTFound && | ||||
16503 | !Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), | ||||
16504 | RefExpr->getType()))) { | ||||
16505 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | ||||
16506 | << 0 << RefExpr->getType() << RefExpr->getSourceRange(); | ||||
16507 | continue; | ||||
16508 | } | ||||
16509 | if (!RefExpr->isLValue()) { | ||||
16510 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | ||||
16511 | << 1 << RefExpr->getType() << RefExpr->getSourceRange(); | ||||
16512 | continue; | ||||
16513 | } | ||||
16514 | } else { | ||||
16515 | // OpenMP 5.0 [2.17.11, Restrictions] | ||||
16516 | // List items used in depend clauses cannot be zero-length array | ||||
16517 | // sections. | ||||
16518 | QualType ExprTy = RefExpr->getType().getNonReferenceType(); | ||||
16519 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(SimpleExpr); | ||||
16520 | if (OASE) { | ||||
16521 | QualType BaseType = | ||||
16522 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||
16523 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||
16524 | ExprTy = ATy->getElementType(); | ||||
16525 | else | ||||
16526 | ExprTy = BaseType->getPointeeType(); | ||||
16527 | ExprTy = ExprTy.getNonReferenceType(); | ||||
16528 | const Expr *Length = OASE->getLength(); | ||||
16529 | Expr::EvalResult Result; | ||||
16530 | if (Length && !Length->isValueDependent() && | ||||
16531 | Length->EvaluateAsInt(Result, Context) && | ||||
16532 | Result.Val.getInt().isNullValue()) { | ||||
16533 | Diag(ELoc, | ||||
16534 | diag::err_omp_depend_zero_length_array_section_not_allowed) | ||||
16535 | << SimpleExpr->getSourceRange(); | ||||
16536 | continue; | ||||
16537 | } | ||||
16538 | } | ||||
16539 | |||||
16540 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | ||||
16541 | // List items used in depend clauses with the in, out, inout or | ||||
16542 | // mutexinoutset dependence types cannot be expressions of the | ||||
16543 | // omp_depend_t type. | ||||
16544 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | ||||
16545 | !RefExpr->isInstantiationDependent() && | ||||
16546 | !RefExpr->containsUnexpandedParameterPack() && | ||||
16547 | (OMPDependTFound && | ||||
16548 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT().getTypePtr() == ExprTy.getTypePtr())) { | ||||
16549 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
16550 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << 1 | ||||
16551 | << RefExpr->getSourceRange(); | ||||
16552 | continue; | ||||
16553 | } | ||||
16554 | |||||
16555 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); | ||||
16556 | if (!RefExpr->IgnoreParenImpCasts()->isLValue() || | ||||
16557 | (ASE && !ASE->getBase()->isTypeDependent() && | ||||
16558 | !ASE->getBase() | ||||
16559 | ->getType() | ||||
16560 | .getNonReferenceType() | ||||
16561 | ->isPointerType() && | ||||
16562 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType())) { | ||||
16563 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
16564 | << (LangOpts.OpenMP >= 50 ? 1 : 0) | ||||
16565 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | ||||
16566 | continue; | ||||
16567 | } | ||||
16568 | |||||
16569 | ExprResult Res; | ||||
16570 | { | ||||
16571 | Sema::TentativeAnalysisScope Trap(*this); | ||||
16572 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, | ||||
16573 | RefExpr->IgnoreParenImpCasts()); | ||||
16574 | } | ||||
16575 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && | ||||
16576 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { | ||||
16577 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
16578 | << (LangOpts.OpenMP >= 50 ? 1 : 0) | ||||
16579 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | ||||
16580 | continue; | ||||
16581 | } | ||||
16582 | } | ||||
16583 | } | ||||
16584 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); | ||||
16585 | } | ||||
16586 | |||||
16587 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && | ||||
16588 | TotalDepCount > VarList.size() && | ||||
16589 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||
16590 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { | ||||
16591 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) | ||||
16592 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); | ||||
16593 | } | ||||
16594 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && | ||||
16595 | Vars.empty()) | ||||
16596 | return nullptr; | ||||
16597 | |||||
16598 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
16599 | DepModifier, DepKind, DepLoc, ColonLoc, | ||||
16600 | Vars, TotalDepCount.getZExtValue()); | ||||
16601 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && | ||||
16602 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) | ||||
16603 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); | ||||
16604 | return C; | ||||
16605 | } | ||||
16606 | |||||
16607 | OMPClause *Sema::ActOnOpenMPDeviceClause(OpenMPDeviceClauseModifier Modifier, | ||||
16608 | Expr *Device, SourceLocation StartLoc, | ||||
16609 | SourceLocation LParenLoc, | ||||
16610 | SourceLocation ModifierLoc, | ||||
16611 | SourceLocation EndLoc) { | ||||
16612 | assert((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) &&(((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) && "Unexpected device modifier in OpenMP < 50.") ? static_cast <void> (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) && \"Unexpected device modifier in OpenMP < 50.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16613, __PRETTY_FUNCTION__)) | ||||
16613 | "Unexpected device modifier in OpenMP < 50.")(((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) && "Unexpected device modifier in OpenMP < 50.") ? static_cast <void> (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) && \"Unexpected device modifier in OpenMP < 50.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16613, __PRETTY_FUNCTION__)); | ||||
16614 | |||||
16615 | bool ErrorFound = false; | ||||
16616 | if (ModifierLoc.isValid() && Modifier == OMPC_DEVICE_unknown) { | ||||
16617 | std::string Values = | ||||
16618 | getListOfPossibleValues(OMPC_device, /*First=*/0, OMPC_DEVICE_unknown); | ||||
16619 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) | ||||
16620 | << Values << getOpenMPClauseName(OMPC_device); | ||||
16621 | ErrorFound = true; | ||||
16622 | } | ||||
16623 | |||||
16624 | Expr *ValExpr = Device; | ||||
16625 | Stmt *HelperValStmt = nullptr; | ||||
16626 | |||||
16627 | // OpenMP [2.9.1, Restrictions] | ||||
16628 | // The device expression must evaluate to a non-negative integer value. | ||||
16629 | ErrorFound = !isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, | ||||
16630 | /*StrictlyPositive=*/false) || | ||||
16631 | ErrorFound; | ||||
16632 | if (ErrorFound) | ||||
16633 | return nullptr; | ||||
16634 | |||||
16635 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
16636 | OpenMPDirectiveKind CaptureRegion = | ||||
16637 | getOpenMPCaptureRegionForClause(DKind, OMPC_device, LangOpts.OpenMP); | ||||
16638 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
16639 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
16640 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
16641 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
16642 | HelperValStmt = buildPreInits(Context, Captures); | ||||
16643 | } | ||||
16644 | |||||
16645 | return new (Context) | ||||
16646 | OMPDeviceClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | ||||
16647 | LParenLoc, ModifierLoc, EndLoc); | ||||
16648 | } | ||||
16649 | |||||
16650 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, | ||||
16651 | DSAStackTy *Stack, QualType QTy, | ||||
16652 | bool FullCheck = true) { | ||||
16653 | NamedDecl *ND; | ||||
16654 | if (QTy->isIncompleteType(&ND)) { | ||||
16655 | SemaRef.Diag(SL, diag::err_incomplete_type) << QTy << SR; | ||||
16656 | return false; | ||||
16657 | } | ||||
16658 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && | ||||
16659 | !QTy.isTriviallyCopyableType(SemaRef.Context)) | ||||
16660 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; | ||||
16661 | return true; | ||||
16662 | } | ||||
16663 | |||||
16664 | /// Return true if it can be proven that the provided array expression | ||||
16665 | /// (array section or array subscript) does NOT specify the whole size of the | ||||
16666 | /// array whose base type is \a BaseQTy. | ||||
16667 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, | ||||
16668 | const Expr *E, | ||||
16669 | QualType BaseQTy) { | ||||
16670 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||
16671 | |||||
16672 | // If this is an array subscript, it refers to the whole size if the size of | ||||
16673 | // the dimension is constant and equals 1. Also, an array section assumes the | ||||
16674 | // format of an array subscript if no colon is used. | ||||
16675 | if (isa<ArraySubscriptExpr>(E) || | ||||
16676 | (OASE && OASE->getColonLocFirst().isInvalid())) { | ||||
16677 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||
16678 | return ATy->getSize().getSExtValue() != 1; | ||||
16679 | // Size can't be evaluated statically. | ||||
16680 | return false; | ||||
16681 | } | ||||
16682 | |||||
16683 | assert(OASE && "Expecting array section if not an array subscript.")((OASE && "Expecting array section if not an array subscript." ) ? static_cast<void> (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16683, __PRETTY_FUNCTION__)); | ||||
16684 | const Expr *LowerBound = OASE->getLowerBound(); | ||||
16685 | const Expr *Length = OASE->getLength(); | ||||
16686 | |||||
16687 | // If there is a lower bound that does not evaluates to zero, we are not | ||||
16688 | // covering the whole dimension. | ||||
16689 | if (LowerBound) { | ||||
16690 | Expr::EvalResult Result; | ||||
16691 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||
16692 | return false; // Can't get the integer value as a constant. | ||||
16693 | |||||
16694 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); | ||||
16695 | if (ConstLowerBound.getSExtValue()) | ||||
16696 | return true; | ||||
16697 | } | ||||
16698 | |||||
16699 | // If we don't have a length we covering the whole dimension. | ||||
16700 | if (!Length) | ||||
16701 | return false; | ||||
16702 | |||||
16703 | // If the base is a pointer, we don't have a way to get the size of the | ||||
16704 | // pointee. | ||||
16705 | if (BaseQTy->isPointerType()) | ||||
16706 | return false; | ||||
16707 | |||||
16708 | // We can only check if the length is the same as the size of the dimension | ||||
16709 | // if we have a constant array. | ||||
16710 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); | ||||
16711 | if (!CATy) | ||||
16712 | return false; | ||||
16713 | |||||
16714 | Expr::EvalResult Result; | ||||
16715 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||
16716 | return false; // Can't get the integer value as a constant. | ||||
16717 | |||||
16718 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||
16719 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); | ||||
16720 | } | ||||
16721 | |||||
16722 | // Return true if it can be proven that the provided array expression (array | ||||
16723 | // section or array subscript) does NOT specify a single element of the array | ||||
16724 | // whose base type is \a BaseQTy. | ||||
16725 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, | ||||
16726 | const Expr *E, | ||||
16727 | QualType BaseQTy) { | ||||
16728 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||
16729 | |||||
16730 | // An array subscript always refer to a single element. Also, an array section | ||||
16731 | // assumes the format of an array subscript if no colon is used. | ||||
16732 | if (isa<ArraySubscriptExpr>(E) || | ||||
16733 | (OASE && OASE->getColonLocFirst().isInvalid())) | ||||
16734 | return false; | ||||
16735 | |||||
16736 | assert(OASE && "Expecting array section if not an array subscript.")((OASE && "Expecting array section if not an array subscript." ) ? static_cast<void> (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16736, __PRETTY_FUNCTION__)); | ||||
16737 | const Expr *Length = OASE->getLength(); | ||||
16738 | |||||
16739 | // If we don't have a length we have to check if the array has unitary size | ||||
16740 | // for this dimension. Also, we should always expect a length if the base type | ||||
16741 | // is pointer. | ||||
16742 | if (!Length) { | ||||
16743 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||
16744 | return ATy->getSize().getSExtValue() != 1; | ||||
16745 | // We cannot assume anything. | ||||
16746 | return false; | ||||
16747 | } | ||||
16748 | |||||
16749 | // Check if the length evaluates to 1. | ||||
16750 | Expr::EvalResult Result; | ||||
16751 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||
16752 | return false; // Can't get the integer value as a constant. | ||||
16753 | |||||
16754 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||
16755 | return ConstLength.getSExtValue() != 1; | ||||
16756 | } | ||||
16757 | |||||
16758 | // The base of elements of list in a map clause have to be either: | ||||
16759 | // - a reference to variable or field. | ||||
16760 | // - a member expression. | ||||
16761 | // - an array expression. | ||||
16762 | // | ||||
16763 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the | ||||
16764 | // reference to 'r'. | ||||
16765 | // | ||||
16766 | // If we have: | ||||
16767 | // | ||||
16768 | // struct SS { | ||||
16769 | // Bla S; | ||||
16770 | // foo() { | ||||
16771 | // #pragma omp target map (S.Arr[:12]); | ||||
16772 | // } | ||||
16773 | // } | ||||
16774 | // | ||||
16775 | // We want to retrieve the member expression 'this->S'; | ||||
16776 | |||||
16777 | // OpenMP 5.0 [2.19.7.1, map Clause, Restrictions, p.2] | ||||
16778 | // If a list item is an array section, it must specify contiguous storage. | ||||
16779 | // | ||||
16780 | // For this restriction it is sufficient that we make sure only references | ||||
16781 | // to variables or fields and array expressions, and that no array sections | ||||
16782 | // exist except in the rightmost expression (unless they cover the whole | ||||
16783 | // dimension of the array). E.g. these would be invalid: | ||||
16784 | // | ||||
16785 | // r.ArrS[3:5].Arr[6:7] | ||||
16786 | // | ||||
16787 | // r.ArrS[3:5].x | ||||
16788 | // | ||||
16789 | // but these would be valid: | ||||
16790 | // r.ArrS[3].Arr[6:7] | ||||
16791 | // | ||||
16792 | // r.ArrS[3].x | ||||
16793 | namespace { | ||||
16794 | class MapBaseChecker final : public StmtVisitor<MapBaseChecker, bool> { | ||||
16795 | Sema &SemaRef; | ||||
16796 | OpenMPClauseKind CKind = OMPC_unknown; | ||||
16797 | OMPClauseMappableExprCommon::MappableExprComponentList &Components; | ||||
16798 | bool NoDiagnose = false; | ||||
16799 | const Expr *RelevantExpr = nullptr; | ||||
16800 | bool AllowUnitySizeArraySection = true; | ||||
16801 | bool AllowWholeSizeArraySection = true; | ||||
16802 | SourceLocation ELoc; | ||||
16803 | SourceRange ERange; | ||||
16804 | |||||
16805 | void emitErrorMsg() { | ||||
16806 | // If nothing else worked, this is not a valid map clause expression. | ||||
16807 | if (SemaRef.getLangOpts().OpenMP < 50) { | ||||
16808 | SemaRef.Diag(ELoc, | ||||
16809 | diag::err_omp_expected_named_var_member_or_array_expression) | ||||
16810 | << ERange; | ||||
16811 | } else { | ||||
16812 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | ||||
16813 | << getOpenMPClauseName(CKind) << ERange; | ||||
16814 | } | ||||
16815 | } | ||||
16816 | |||||
16817 | public: | ||||
16818 | bool VisitDeclRefExpr(DeclRefExpr *DRE) { | ||||
16819 | if (!isa<VarDecl>(DRE->getDecl())) { | ||||
16820 | emitErrorMsg(); | ||||
16821 | return false; | ||||
16822 | } | ||||
16823 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16823, __PRETTY_FUNCTION__)); | ||||
16824 | RelevantExpr = DRE; | ||||
16825 | // Record the component. | ||||
16826 | Components.emplace_back(DRE, DRE->getDecl()); | ||||
16827 | return true; | ||||
16828 | } | ||||
16829 | |||||
16830 | bool VisitMemberExpr(MemberExpr *ME) { | ||||
16831 | Expr *E = ME; | ||||
16832 | Expr *BaseE = ME->getBase()->IgnoreParenCasts(); | ||||
16833 | |||||
16834 | if (isa<CXXThisExpr>(BaseE)) { | ||||
16835 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16835, __PRETTY_FUNCTION__)); | ||||
16836 | // We found a base expression: this->Val. | ||||
16837 | RelevantExpr = ME; | ||||
16838 | } else { | ||||
16839 | E = BaseE; | ||||
16840 | } | ||||
16841 | |||||
16842 | if (!isa<FieldDecl>(ME->getMemberDecl())) { | ||||
16843 | if (!NoDiagnose) { | ||||
16844 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) | ||||
16845 | << ME->getSourceRange(); | ||||
16846 | return false; | ||||
16847 | } | ||||
16848 | if (RelevantExpr) | ||||
16849 | return false; | ||||
16850 | return Visit(E); | ||||
16851 | } | ||||
16852 | |||||
16853 | auto *FD = cast<FieldDecl>(ME->getMemberDecl()); | ||||
16854 | |||||
16855 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | ||||
16856 | // A bit-field cannot appear in a map clause. | ||||
16857 | // | ||||
16858 | if (FD->isBitField()) { | ||||
16859 | if (!NoDiagnose) { | ||||
16860 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) | ||||
16861 | << ME->getSourceRange() << getOpenMPClauseName(CKind); | ||||
16862 | return false; | ||||
16863 | } | ||||
16864 | if (RelevantExpr) | ||||
16865 | return false; | ||||
16866 | return Visit(E); | ||||
16867 | } | ||||
16868 | |||||
16869 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
16870 | // If the type of a list item is a reference to a type T then the type | ||||
16871 | // will be considered to be T for all purposes of this clause. | ||||
16872 | QualType CurType = BaseE->getType().getNonReferenceType(); | ||||
16873 | |||||
16874 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] | ||||
16875 | // A list item cannot be a variable that is a member of a structure with | ||||
16876 | // a union type. | ||||
16877 | // | ||||
16878 | if (CurType->isUnionType()) { | ||||
16879 | if (!NoDiagnose) { | ||||
16880 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) | ||||
16881 | << ME->getSourceRange(); | ||||
16882 | return false; | ||||
16883 | } | ||||
16884 | return RelevantExpr || Visit(E); | ||||
16885 | } | ||||
16886 | |||||
16887 | // If we got a member expression, we should not expect any array section | ||||
16888 | // before that: | ||||
16889 | // | ||||
16890 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] | ||||
16891 | // If a list item is an element of a structure, only the rightmost symbol | ||||
16892 | // of the variable reference can be an array section. | ||||
16893 | // | ||||
16894 | AllowUnitySizeArraySection = false; | ||||
16895 | AllowWholeSizeArraySection = false; | ||||
16896 | |||||
16897 | // Record the component. | ||||
16898 | Components.emplace_back(ME, FD); | ||||
16899 | return RelevantExpr || Visit(E); | ||||
16900 | } | ||||
16901 | |||||
16902 | bool VisitArraySubscriptExpr(ArraySubscriptExpr *AE) { | ||||
16903 | Expr *E = AE->getBase()->IgnoreParenImpCasts(); | ||||
16904 | |||||
16905 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { | ||||
16906 | if (!NoDiagnose) { | ||||
16907 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | ||||
16908 | << 0 << AE->getSourceRange(); | ||||
16909 | return false; | ||||
16910 | } | ||||
16911 | return RelevantExpr || Visit(E); | ||||
16912 | } | ||||
16913 | |||||
16914 | // If we got an array subscript that express the whole dimension we | ||||
16915 | // can have any array expressions before. If it only expressing part of | ||||
16916 | // the dimension, we can only have unitary-size array expressions. | ||||
16917 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, AE, | ||||
16918 | E->getType())) | ||||
16919 | AllowWholeSizeArraySection = false; | ||||
16920 | |||||
16921 | if (const auto *TE = dyn_cast<CXXThisExpr>(E->IgnoreParenCasts())) { | ||||
16922 | Expr::EvalResult Result; | ||||
16923 | if (!AE->getIdx()->isValueDependent() && | ||||
16924 | AE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext()) && | ||||
16925 | !Result.Val.getInt().isNullValue()) { | ||||
16926 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | ||||
16927 | diag::err_omp_invalid_map_this_expr); | ||||
16928 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | ||||
16929 | diag::note_omp_invalid_subscript_on_this_ptr_map); | ||||
16930 | } | ||||
16931 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16931, __PRETTY_FUNCTION__)); | ||||
16932 | RelevantExpr = TE; | ||||
16933 | } | ||||
16934 | |||||
16935 | // Record the component - we don't have any declaration associated. | ||||
16936 | Components.emplace_back(AE, nullptr); | ||||
16937 | |||||
16938 | return RelevantExpr || Visit(E); | ||||
16939 | } | ||||
16940 | |||||
16941 | bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { | ||||
16942 | assert(!NoDiagnose && "Array sections cannot be implicitly mapped.")((!NoDiagnose && "Array sections cannot be implicitly mapped." ) ? static_cast<void> (0) : __assert_fail ("!NoDiagnose && \"Array sections cannot be implicitly mapped.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 16942, __PRETTY_FUNCTION__)); | ||||
16943 | Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | ||||
16944 | QualType CurType = | ||||
16945 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | ||||
16946 | |||||
16947 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
16948 | // If the type of a list item is a reference to a type T then the type | ||||
16949 | // will be considered to be T for all purposes of this clause. | ||||
16950 | if (CurType->isReferenceType()) | ||||
16951 | CurType = CurType->getPointeeType(); | ||||
16952 | |||||
16953 | bool IsPointer = CurType->isAnyPointerType(); | ||||
16954 | |||||
16955 | if (!IsPointer && !CurType->isArrayType()) { | ||||
16956 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | ||||
16957 | << 0 << OASE->getSourceRange(); | ||||
16958 | return false; | ||||
16959 | } | ||||
16960 | |||||
16961 | bool NotWhole = | ||||
16962 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, OASE, CurType); | ||||
16963 | bool NotUnity = | ||||
16964 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, OASE, CurType); | ||||
16965 | |||||
16966 | if (AllowWholeSizeArraySection) { | ||||
16967 | // Any array section is currently allowed. Allowing a whole size array | ||||
16968 | // section implies allowing a unity array section as well. | ||||
16969 | // | ||||
16970 | // If this array section refers to the whole dimension we can still | ||||
16971 | // accept other array sections before this one, except if the base is a | ||||
16972 | // pointer. Otherwise, only unitary sections are accepted. | ||||
16973 | if (NotWhole || IsPointer) | ||||
16974 | AllowWholeSizeArraySection = false; | ||||
16975 | } else if (AllowUnitySizeArraySection && NotUnity) { | ||||
16976 | // A unity or whole array section is not allowed and that is not | ||||
16977 | // compatible with the properties of the current array section. | ||||
16978 | SemaRef.Diag( | ||||
16979 | ELoc, diag::err_array_section_does_not_specify_contiguous_storage) | ||||
16980 | << OASE->getSourceRange(); | ||||
16981 | return false; | ||||
16982 | } | ||||
16983 | |||||
16984 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { | ||||
16985 | Expr::EvalResult ResultR; | ||||
16986 | Expr::EvalResult ResultL; | ||||
16987 | if (!OASE->getLength()->isValueDependent() && | ||||
16988 | OASE->getLength()->EvaluateAsInt(ResultR, SemaRef.getASTContext()) && | ||||
16989 | !ResultR.Val.getInt().isOneValue()) { | ||||
16990 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | ||||
16991 | diag::err_omp_invalid_map_this_expr); | ||||
16992 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | ||||
16993 | diag::note_omp_invalid_length_on_this_ptr_mapping); | ||||
16994 | } | ||||
16995 | if (OASE->getLowerBound() && !OASE->getLowerBound()->isValueDependent() && | ||||
16996 | OASE->getLowerBound()->EvaluateAsInt(ResultL, | ||||
16997 | SemaRef.getASTContext()) && | ||||
16998 | !ResultL.Val.getInt().isNullValue()) { | ||||
16999 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | ||||
17000 | diag::err_omp_invalid_map_this_expr); | ||||
17001 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | ||||
17002 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); | ||||
17003 | } | ||||
17004 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17004, __PRETTY_FUNCTION__)); | ||||
17005 | RelevantExpr = TE; | ||||
17006 | } | ||||
17007 | |||||
17008 | // Record the component - we don't have any declaration associated. | ||||
17009 | Components.emplace_back(OASE, nullptr); | ||||
17010 | return RelevantExpr || Visit(E); | ||||
17011 | } | ||||
17012 | bool VisitOMPArrayShapingExpr(OMPArrayShapingExpr *E) { | ||||
17013 | Expr *Base = E->getBase(); | ||||
17014 | |||||
17015 | // Record the component - we don't have any declaration associated. | ||||
17016 | Components.emplace_back(E, nullptr); | ||||
17017 | |||||
17018 | return Visit(Base->IgnoreParenImpCasts()); | ||||
17019 | } | ||||
17020 | |||||
17021 | bool VisitUnaryOperator(UnaryOperator *UO) { | ||||
17022 | if (SemaRef.getLangOpts().OpenMP < 50 || !UO->isLValue() || | ||||
17023 | UO->getOpcode() != UO_Deref) { | ||||
17024 | emitErrorMsg(); | ||||
17025 | return false; | ||||
17026 | } | ||||
17027 | if (!RelevantExpr) { | ||||
17028 | // Record the component if haven't found base decl. | ||||
17029 | Components.emplace_back(UO, nullptr); | ||||
17030 | } | ||||
17031 | return RelevantExpr || Visit(UO->getSubExpr()->IgnoreParenImpCasts()); | ||||
17032 | } | ||||
17033 | bool VisitBinaryOperator(BinaryOperator *BO) { | ||||
17034 | if (SemaRef.getLangOpts().OpenMP < 50 || !BO->getType()->isPointerType()) { | ||||
17035 | emitErrorMsg(); | ||||
17036 | return false; | ||||
17037 | } | ||||
17038 | |||||
17039 | // Pointer arithmetic is the only thing we expect to happen here so after we | ||||
17040 | // make sure the binary operator is a pointer type, the we only thing need | ||||
17041 | // to to is to visit the subtree that has the same type as root (so that we | ||||
17042 | // know the other subtree is just an offset) | ||||
17043 | Expr *LE = BO->getLHS()->IgnoreParenImpCasts(); | ||||
17044 | Expr *RE = BO->getRHS()->IgnoreParenImpCasts(); | ||||
17045 | Components.emplace_back(BO, nullptr); | ||||
17046 | assert((LE->getType().getTypePtr() == BO->getType().getTypePtr() ||(((LE->getType().getTypePtr() == BO->getType().getTypePtr () || RE->getType().getTypePtr() == BO->getType().getTypePtr ()) && "Either LHS or RHS have base decl inside") ? static_cast <void> (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17048, __PRETTY_FUNCTION__)) | ||||
17047 | RE->getType().getTypePtr() == BO->getType().getTypePtr()) &&(((LE->getType().getTypePtr() == BO->getType().getTypePtr () || RE->getType().getTypePtr() == BO->getType().getTypePtr ()) && "Either LHS or RHS have base decl inside") ? static_cast <void> (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17048, __PRETTY_FUNCTION__)) | ||||
17048 | "Either LHS or RHS have base decl inside")(((LE->getType().getTypePtr() == BO->getType().getTypePtr () || RE->getType().getTypePtr() == BO->getType().getTypePtr ()) && "Either LHS or RHS have base decl inside") ? static_cast <void> (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17048, __PRETTY_FUNCTION__)); | ||||
17049 | if (BO->getType().getTypePtr() == LE->getType().getTypePtr()) | ||||
17050 | return RelevantExpr || Visit(LE); | ||||
17051 | return RelevantExpr || Visit(RE); | ||||
17052 | } | ||||
17053 | bool VisitCXXThisExpr(CXXThisExpr *CTE) { | ||||
17054 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17054, __PRETTY_FUNCTION__)); | ||||
17055 | RelevantExpr = CTE; | ||||
17056 | Components.emplace_back(CTE, nullptr); | ||||
17057 | return true; | ||||
17058 | } | ||||
17059 | bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr *COCE) { | ||||
17060 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17060, __PRETTY_FUNCTION__)); | ||||
17061 | Components.emplace_back(COCE, nullptr); | ||||
17062 | return true; | ||||
17063 | } | ||||
17064 | bool VisitStmt(Stmt *) { | ||||
17065 | emitErrorMsg(); | ||||
17066 | return false; | ||||
17067 | } | ||||
17068 | const Expr *getFoundBase() const { | ||||
17069 | return RelevantExpr; | ||||
17070 | } | ||||
17071 | explicit MapBaseChecker( | ||||
17072 | Sema &SemaRef, OpenMPClauseKind CKind, | ||||
17073 | OMPClauseMappableExprCommon::MappableExprComponentList &Components, | ||||
17074 | bool NoDiagnose, SourceLocation &ELoc, SourceRange &ERange) | ||||
17075 | : SemaRef(SemaRef), CKind(CKind), Components(Components), | ||||
17076 | NoDiagnose(NoDiagnose), ELoc(ELoc), ERange(ERange) {} | ||||
17077 | }; | ||||
17078 | } // namespace | ||||
17079 | |||||
17080 | /// Return the expression of the base of the mappable expression or null if it | ||||
17081 | /// cannot be determined and do all the necessary checks to see if the expression | ||||
17082 | /// is valid as a standalone mappable expression. In the process, record all the | ||||
17083 | /// components of the expression. | ||||
17084 | static const Expr *checkMapClauseExpressionBase( | ||||
17085 | Sema &SemaRef, Expr *E, | ||||
17086 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | ||||
17087 | OpenMPClauseKind CKind, bool NoDiagnose) { | ||||
17088 | SourceLocation ELoc = E->getExprLoc(); | ||||
17089 | SourceRange ERange = E->getSourceRange(); | ||||
17090 | MapBaseChecker Checker(SemaRef, CKind, CurComponents, NoDiagnose, ELoc, | ||||
17091 | ERange); | ||||
17092 | if (Checker.Visit(E->IgnoreParens())) | ||||
17093 | return Checker.getFoundBase(); | ||||
17094 | return nullptr; | ||||
17095 | } | ||||
17096 | |||||
17097 | // Return true if expression E associated with value VD has conflicts with other | ||||
17098 | // map information. | ||||
17099 | static bool checkMapConflicts( | ||||
17100 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, | ||||
17101 | bool CurrentRegionOnly, | ||||
17102 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, | ||||
17103 | OpenMPClauseKind CKind) { | ||||
17104 | assert(VD && E)((VD && E) ? static_cast<void> (0) : __assert_fail ("VD && E", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17104, __PRETTY_FUNCTION__)); | ||||
17105 | SourceLocation ELoc = E->getExprLoc(); | ||||
17106 | SourceRange ERange = E->getSourceRange(); | ||||
17107 | |||||
17108 | // In order to easily check the conflicts we need to match each component of | ||||
17109 | // the expression under test with the components of the expressions that are | ||||
17110 | // already in the stack. | ||||
17111 | |||||
17112 | assert(!CurComponents.empty() && "Map clause expression with no components!")((!CurComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17112, __PRETTY_FUNCTION__)); | ||||
17113 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&((CurComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17114, __PRETTY_FUNCTION__)) | ||||
17114 | "Map clause expression with unexpected base!")((CurComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17114, __PRETTY_FUNCTION__)); | ||||
17115 | |||||
17116 | // Variables to help detecting enclosing problems in data environment nests. | ||||
17117 | bool IsEnclosedByDataEnvironmentExpr = false; | ||||
17118 | const Expr *EnclosingExpr = nullptr; | ||||
17119 | |||||
17120 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( | ||||
17121 | VD, CurrentRegionOnly, | ||||
17122 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, | ||||
17123 | ERange, CKind, &EnclosingExpr, | ||||
17124 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
17125 | StackComponents, | ||||
17126 | OpenMPClauseKind) { | ||||
17127 | assert(!StackComponents.empty() &&((!StackComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17128, __PRETTY_FUNCTION__)) | ||||
17128 | "Map clause expression with no components!")((!StackComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17128, __PRETTY_FUNCTION__)); | ||||
17129 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&((StackComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17130, __PRETTY_FUNCTION__)) | ||||
17130 | "Map clause expression with unexpected base!")((StackComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17130, __PRETTY_FUNCTION__)); | ||||
17131 | (void)VD; | ||||
17132 | |||||
17133 | // The whole expression in the stack. | ||||
17134 | const Expr *RE = StackComponents.front().getAssociatedExpression(); | ||||
17135 | |||||
17136 | // Expressions must start from the same base. Here we detect at which | ||||
17137 | // point both expressions diverge from each other and see if we can | ||||
17138 | // detect if the memory referred to both expressions is contiguous and | ||||
17139 | // do not overlap. | ||||
17140 | auto CI = CurComponents.rbegin(); | ||||
17141 | auto CE = CurComponents.rend(); | ||||
17142 | auto SI = StackComponents.rbegin(); | ||||
17143 | auto SE = StackComponents.rend(); | ||||
17144 | for (; CI != CE && SI != SE; ++CI, ++SI) { | ||||
17145 | |||||
17146 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] | ||||
17147 | // At most one list item can be an array item derived from a given | ||||
17148 | // variable in map clauses of the same construct. | ||||
17149 | if (CurrentRegionOnly && | ||||
17150 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || | ||||
17151 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression()) || | ||||
17152 | isa<OMPArrayShapingExpr>(CI->getAssociatedExpression())) && | ||||
17153 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || | ||||
17154 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()) || | ||||
17155 | isa<OMPArrayShapingExpr>(SI->getAssociatedExpression()))) { | ||||
17156 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), | ||||
17157 | diag::err_omp_multiple_array_items_in_map_clause) | ||||
17158 | << CI->getAssociatedExpression()->getSourceRange(); | ||||
17159 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), | ||||
17160 | diag::note_used_here) | ||||
17161 | << SI->getAssociatedExpression()->getSourceRange(); | ||||
17162 | return true; | ||||
17163 | } | ||||
17164 | |||||
17165 | // Do both expressions have the same kind? | ||||
17166 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||
17167 | SI->getAssociatedExpression()->getStmtClass()) | ||||
17168 | break; | ||||
17169 | |||||
17170 | // Are we dealing with different variables/fields? | ||||
17171 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | ||||
17172 | break; | ||||
17173 | } | ||||
17174 | // Check if the extra components of the expressions in the enclosing | ||||
17175 | // data environment are redundant for the current base declaration. | ||||
17176 | // If they are, the maps completely overlap, which is legal. | ||||
17177 | for (; SI != SE; ++SI) { | ||||
17178 | QualType Type; | ||||
17179 | if (const auto *ASE = | ||||
17180 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { | ||||
17181 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); | ||||
17182 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( | ||||
17183 | SI->getAssociatedExpression())) { | ||||
17184 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | ||||
17185 | Type = | ||||
17186 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | ||||
17187 | } else if (const auto *OASE = dyn_cast<OMPArrayShapingExpr>( | ||||
17188 | SI->getAssociatedExpression())) { | ||||
17189 | Type = OASE->getBase()->getType()->getPointeeType(); | ||||
17190 | } | ||||
17191 | if (Type.isNull() || Type->isAnyPointerType() || | ||||
17192 | checkArrayExpressionDoesNotReferToWholeSize( | ||||
17193 | SemaRef, SI->getAssociatedExpression(), Type)) | ||||
17194 | break; | ||||
17195 | } | ||||
17196 | |||||
17197 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | ||||
17198 | // List items of map clauses in the same construct must not share | ||||
17199 | // original storage. | ||||
17200 | // | ||||
17201 | // If the expressions are exactly the same or one is a subset of the | ||||
17202 | // other, it means they are sharing storage. | ||||
17203 | if (CI == CE && SI == SE) { | ||||
17204 | if (CurrentRegionOnly) { | ||||
17205 | if (CKind == OMPC_map) { | ||||
17206 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | ||||
17207 | } else { | ||||
17208 | assert(CKind == OMPC_to || CKind == OMPC_from)((CKind == OMPC_to || CKind == OMPC_from) ? static_cast<void > (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17208, __PRETTY_FUNCTION__)); | ||||
17209 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | ||||
17210 | << ERange; | ||||
17211 | } | ||||
17212 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
17213 | << RE->getSourceRange(); | ||||
17214 | return true; | ||||
17215 | } | ||||
17216 | // If we find the same expression in the enclosing data environment, | ||||
17217 | // that is legal. | ||||
17218 | IsEnclosedByDataEnvironmentExpr = true; | ||||
17219 | return false; | ||||
17220 | } | ||||
17221 | |||||
17222 | QualType DerivedType = | ||||
17223 | std::prev(CI)->getAssociatedDeclaration()->getType(); | ||||
17224 | SourceLocation DerivedLoc = | ||||
17225 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); | ||||
17226 | |||||
17227 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
17228 | // If the type of a list item is a reference to a type T then the type | ||||
17229 | // will be considered to be T for all purposes of this clause. | ||||
17230 | DerivedType = DerivedType.getNonReferenceType(); | ||||
17231 | |||||
17232 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] | ||||
17233 | // A variable for which the type is pointer and an array section | ||||
17234 | // derived from that variable must not appear as list items of map | ||||
17235 | // clauses of the same construct. | ||||
17236 | // | ||||
17237 | // Also, cover one of the cases in: | ||||
17238 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | ||||
17239 | // If any part of the original storage of a list item has corresponding | ||||
17240 | // storage in the device data environment, all of the original storage | ||||
17241 | // must have corresponding storage in the device data environment. | ||||
17242 | // | ||||
17243 | if (DerivedType->isAnyPointerType()) { | ||||
17244 | if (CI == CE || SI == SE) { | ||||
17245 | SemaRef.Diag( | ||||
17246 | DerivedLoc, | ||||
17247 | diag::err_omp_pointer_mapped_along_with_derived_section) | ||||
17248 | << DerivedLoc; | ||||
17249 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
17250 | << RE->getSourceRange(); | ||||
17251 | return true; | ||||
17252 | } | ||||
17253 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||
17254 | SI->getAssociatedExpression()->getStmtClass() || | ||||
17255 | CI->getAssociatedDeclaration()->getCanonicalDecl() == | ||||
17256 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { | ||||
17257 | assert(CI != CE && SI != SE)((CI != CE && SI != SE) ? static_cast<void> (0) : __assert_fail ("CI != CE && SI != SE", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17257, __PRETTY_FUNCTION__)); | ||||
17258 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) | ||||
17259 | << DerivedLoc; | ||||
17260 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
17261 | << RE->getSourceRange(); | ||||
17262 | return true; | ||||
17263 | } | ||||
17264 | } | ||||
17265 | |||||
17266 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | ||||
17267 | // List items of map clauses in the same construct must not share | ||||
17268 | // original storage. | ||||
17269 | // | ||||
17270 | // An expression is a subset of the other. | ||||
17271 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { | ||||
17272 | if (CKind == OMPC_map) { | ||||
17273 | if (CI != CE || SI != SE) { | ||||
17274 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is | ||||
17275 | // a pointer. | ||||
17276 | auto Begin = | ||||
17277 | CI != CE ? CurComponents.begin() : StackComponents.begin(); | ||||
17278 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); | ||||
17279 | auto It = Begin; | ||||
17280 | while (It != End && !It->getAssociatedDeclaration()) | ||||
17281 | std::advance(It, 1); | ||||
17282 | assert(It != End &&((It != End && "Expected at least one component with the declaration." ) ? static_cast<void> (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17283, __PRETTY_FUNCTION__)) | ||||
17283 | "Expected at least one component with the declaration.")((It != End && "Expected at least one component with the declaration." ) ? static_cast<void> (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17283, __PRETTY_FUNCTION__)); | ||||
17284 | if (It != Begin && It->getAssociatedDeclaration() | ||||
17285 | ->getType() | ||||
17286 | .getCanonicalType() | ||||
17287 | ->isAnyPointerType()) { | ||||
17288 | IsEnclosedByDataEnvironmentExpr = false; | ||||
17289 | EnclosingExpr = nullptr; | ||||
17290 | return false; | ||||
17291 | } | ||||
17292 | } | ||||
17293 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | ||||
17294 | } else { | ||||
17295 | assert(CKind == OMPC_to || CKind == OMPC_from)((CKind == OMPC_to || CKind == OMPC_from) ? static_cast<void > (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17295, __PRETTY_FUNCTION__)); | ||||
17296 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | ||||
17297 | << ERange; | ||||
17298 | } | ||||
17299 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
17300 | << RE->getSourceRange(); | ||||
17301 | return true; | ||||
17302 | } | ||||
17303 | |||||
17304 | // The current expression uses the same base as other expression in the | ||||
17305 | // data environment but does not contain it completely. | ||||
17306 | if (!CurrentRegionOnly && SI != SE) | ||||
17307 | EnclosingExpr = RE; | ||||
17308 | |||||
17309 | // The current expression is a subset of the expression in the data | ||||
17310 | // environment. | ||||
17311 | IsEnclosedByDataEnvironmentExpr |= | ||||
17312 | (!CurrentRegionOnly && CI != CE && SI == SE); | ||||
17313 | |||||
17314 | return false; | ||||
17315 | }); | ||||
17316 | |||||
17317 | if (CurrentRegionOnly) | ||||
17318 | return FoundError; | ||||
17319 | |||||
17320 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | ||||
17321 | // If any part of the original storage of a list item has corresponding | ||||
17322 | // storage in the device data environment, all of the original storage must | ||||
17323 | // have corresponding storage in the device data environment. | ||||
17324 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] | ||||
17325 | // If a list item is an element of a structure, and a different element of | ||||
17326 | // the structure has a corresponding list item in the device data environment | ||||
17327 | // prior to a task encountering the construct associated with the map clause, | ||||
17328 | // then the list item must also have a corresponding list item in the device | ||||
17329 | // data environment prior to the task encountering the construct. | ||||
17330 | // | ||||
17331 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { | ||||
17332 | SemaRef.Diag(ELoc, | ||||
17333 | diag::err_omp_original_storage_is_shared_and_does_not_contain) | ||||
17334 | << ERange; | ||||
17335 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) | ||||
17336 | << EnclosingExpr->getSourceRange(); | ||||
17337 | return true; | ||||
17338 | } | ||||
17339 | |||||
17340 | return FoundError; | ||||
17341 | } | ||||
17342 | |||||
17343 | // Look up the user-defined mapper given the mapper name and mapped type, and | ||||
17344 | // build a reference to it. | ||||
17345 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, | ||||
17346 | CXXScopeSpec &MapperIdScopeSpec, | ||||
17347 | const DeclarationNameInfo &MapperId, | ||||
17348 | QualType Type, | ||||
17349 | Expr *UnresolvedMapper) { | ||||
17350 | if (MapperIdScopeSpec.isInvalid()) | ||||
17351 | return ExprError(); | ||||
17352 | // Get the actual type for the array type. | ||||
17353 | if (Type->isArrayType()) { | ||||
17354 | assert(Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type")((Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type" ) ? static_cast<void> (0) : __assert_fail ("Type->getAsArrayTypeUnsafe() && \"Expect to get a valid array type\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17354, __PRETTY_FUNCTION__)); | ||||
17355 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); | ||||
17356 | } | ||||
17357 | // Find all user-defined mappers with the given MapperId. | ||||
17358 | SmallVector<UnresolvedSet<8>, 4> Lookups; | ||||
17359 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); | ||||
17360 | Lookup.suppressDiagnostics(); | ||||
17361 | if (S) { | ||||
17362 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { | ||||
17363 | NamedDecl *D = Lookup.getRepresentativeDecl(); | ||||
17364 | while (S && !S->isDeclScope(D)) | ||||
17365 | S = S->getParent(); | ||||
17366 | if (S) | ||||
17367 | S = S->getParent(); | ||||
17368 | Lookups.emplace_back(); | ||||
17369 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||
17370 | Lookup.clear(); | ||||
17371 | } | ||||
17372 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { | ||||
17373 | // Extract the user-defined mappers with the given MapperId. | ||||
17374 | Lookups.push_back(UnresolvedSet<8>()); | ||||
17375 | for (NamedDecl *D : ULE->decls()) { | ||||
17376 | auto *DMD = cast<OMPDeclareMapperDecl>(D); | ||||
17377 | assert(DMD && "Expect valid OMPDeclareMapperDecl during instantiation.")((DMD && "Expect valid OMPDeclareMapperDecl during instantiation." ) ? static_cast<void> (0) : __assert_fail ("DMD && \"Expect valid OMPDeclareMapperDecl during instantiation.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17377, __PRETTY_FUNCTION__)); | ||||
17378 | Lookups.back().addDecl(DMD); | ||||
17379 | } | ||||
17380 | } | ||||
17381 | // Defer the lookup for dependent types. The results will be passed through | ||||
17382 | // UnresolvedMapper on instantiation. | ||||
17383 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || | ||||
17384 | Type->isInstantiationDependentType() || | ||||
17385 | Type->containsUnexpandedParameterPack() || | ||||
17386 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | ||||
17387 | return !D->isInvalidDecl() && | ||||
17388 | (D->getType()->isDependentType() || | ||||
17389 | D->getType()->isInstantiationDependentType() || | ||||
17390 | D->getType()->containsUnexpandedParameterPack()); | ||||
17391 | })) { | ||||
17392 | UnresolvedSet<8> URS; | ||||
17393 | for (const UnresolvedSet<8> &Set : Lookups) { | ||||
17394 | if (Set.empty()) | ||||
17395 | continue; | ||||
17396 | URS.append(Set.begin(), Set.end()); | ||||
17397 | } | ||||
17398 | return UnresolvedLookupExpr::Create( | ||||
17399 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||
17400 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, | ||||
17401 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); | ||||
17402 | } | ||||
17403 | SourceLocation Loc = MapperId.getLoc(); | ||||
17404 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||
17405 | // The type must be of struct, union or class type in C and C++ | ||||
17406 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && | ||||
17407 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { | ||||
17408 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); | ||||
17409 | return ExprError(); | ||||
17410 | } | ||||
17411 | // Perform argument dependent lookup. | ||||
17412 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) | ||||
17413 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); | ||||
17414 | // Return the first user-defined mapper with the desired type. | ||||
17415 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
17416 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { | ||||
17417 | if (!D->isInvalidDecl() && | ||||
17418 | SemaRef.Context.hasSameType(D->getType(), Type)) | ||||
17419 | return D; | ||||
17420 | return nullptr; | ||||
17421 | })) | ||||
17422 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | ||||
17423 | // Find the first user-defined mapper with a type derived from the desired | ||||
17424 | // type. | ||||
17425 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
17426 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { | ||||
17427 | if (!D->isInvalidDecl() && | ||||
17428 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && | ||||
17429 | !Type.isMoreQualifiedThan(D->getType())) | ||||
17430 | return D; | ||||
17431 | return nullptr; | ||||
17432 | })) { | ||||
17433 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | ||||
17434 | /*DetectVirtual=*/false); | ||||
17435 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { | ||||
17436 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | ||||
17437 | VD->getType().getUnqualifiedType()))) { | ||||
17438 | if (SemaRef.CheckBaseClassAccess( | ||||
17439 | Loc, VD->getType(), Type, Paths.front(), | ||||
17440 | /*DiagID=*/0) != Sema::AR_inaccessible) { | ||||
17441 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | ||||
17442 | } | ||||
17443 | } | ||||
17444 | } | ||||
17445 | } | ||||
17446 | // Report error if a mapper is specified, but cannot be found. | ||||
17447 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { | ||||
17448 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) | ||||
17449 | << Type << MapperId.getName(); | ||||
17450 | return ExprError(); | ||||
17451 | } | ||||
17452 | return ExprEmpty(); | ||||
17453 | } | ||||
17454 | |||||
17455 | namespace { | ||||
17456 | // Utility struct that gathers all the related lists associated with a mappable | ||||
17457 | // expression. | ||||
17458 | struct MappableVarListInfo { | ||||
17459 | // The list of expressions. | ||||
17460 | ArrayRef<Expr *> VarList; | ||||
17461 | // The list of processed expressions. | ||||
17462 | SmallVector<Expr *, 16> ProcessedVarList; | ||||
17463 | // The mappble components for each expression. | ||||
17464 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; | ||||
17465 | // The base declaration of the variable. | ||||
17466 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; | ||||
17467 | // The reference to the user-defined mapper associated with every expression. | ||||
17468 | SmallVector<Expr *, 16> UDMapperList; | ||||
17469 | |||||
17470 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { | ||||
17471 | // We have a list of components and base declarations for each entry in the | ||||
17472 | // variable list. | ||||
17473 | VarComponents.reserve(VarList.size()); | ||||
17474 | VarBaseDeclarations.reserve(VarList.size()); | ||||
17475 | } | ||||
17476 | }; | ||||
17477 | } | ||||
17478 | |||||
17479 | // Check the validity of the provided variable list for the provided clause kind | ||||
17480 | // \a CKind. In the check process the valid expressions, mappable expression | ||||
17481 | // components, variables, and user-defined mappers are extracted and used to | ||||
17482 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a | ||||
17483 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, | ||||
17484 | // and \a MapperId are expected to be valid if the clause kind is 'map'. | ||||
17485 | static void checkMappableExpressionList( | ||||
17486 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, | ||||
17487 | MappableVarListInfo &MVLI, SourceLocation StartLoc, | ||||
17488 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, | ||||
17489 | ArrayRef<Expr *> UnresolvedMappers, | ||||
17490 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, | ||||
17491 | bool IsMapTypeImplicit = false) { | ||||
17492 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. | ||||
17493 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&(((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from ) && "Unexpected clause kind with mappable expressions!" ) ? static_cast<void> (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17494, __PRETTY_FUNCTION__)) | ||||
17494 | "Unexpected clause kind with mappable expressions!")(((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from ) && "Unexpected clause kind with mappable expressions!" ) ? static_cast<void> (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17494, __PRETTY_FUNCTION__)); | ||||
17495 | |||||
17496 | // If the identifier of user-defined mapper is not specified, it is "default". | ||||
17497 | // We do not change the actual name in this clause to distinguish whether a | ||||
17498 | // mapper is specified explicitly, i.e., it is not explicitly specified when | ||||
17499 | // MapperId.getName() is empty. | ||||
17500 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { | ||||
17501 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; | ||||
17502 | MapperId.setName(DeclNames.getIdentifier( | ||||
17503 | &SemaRef.getASTContext().Idents.get("default"))); | ||||
17504 | } | ||||
17505 | |||||
17506 | // Iterators to find the current unresolved mapper expression. | ||||
17507 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); | ||||
17508 | bool UpdateUMIt = false; | ||||
17509 | Expr *UnresolvedMapper = nullptr; | ||||
17510 | |||||
17511 | // Keep track of the mappable components and base declarations in this clause. | ||||
17512 | // Each entry in the list is going to have a list of components associated. We | ||||
17513 | // record each set of the components so that we can build the clause later on. | ||||
17514 | // In the end we should have the same amount of declarations and component | ||||
17515 | // lists. | ||||
17516 | |||||
17517 | for (Expr *RE : MVLI.VarList) { | ||||
17518 | assert(RE && "Null expr in omp to/from/map clause")((RE && "Null expr in omp to/from/map clause") ? static_cast <void> (0) : __assert_fail ("RE && \"Null expr in omp to/from/map clause\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17518, __PRETTY_FUNCTION__)); | ||||
17519 | SourceLocation ELoc = RE->getExprLoc(); | ||||
17520 | |||||
17521 | // Find the current unresolved mapper expression. | ||||
17522 | if (UpdateUMIt && UMIt != UMEnd) { | ||||
17523 | UMIt++; | ||||
17524 | assert(((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17526, __PRETTY_FUNCTION__)) | ||||
17525 | UMIt != UMEnd &&((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17526, __PRETTY_FUNCTION__)) | ||||
17526 | "Expect the size of UnresolvedMappers to match with that of VarList")((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17526, __PRETTY_FUNCTION__)); | ||||
17527 | } | ||||
17528 | UpdateUMIt = true; | ||||
17529 | if (UMIt != UMEnd) | ||||
17530 | UnresolvedMapper = *UMIt; | ||||
17531 | |||||
17532 | const Expr *VE = RE->IgnoreParenLValueCasts(); | ||||
17533 | |||||
17534 | if (VE->isValueDependent() || VE->isTypeDependent() || | ||||
17535 | VE->isInstantiationDependent() || | ||||
17536 | VE->containsUnexpandedParameterPack()) { | ||||
17537 | // Try to find the associated user-defined mapper. | ||||
17538 | ExprResult ER = buildUserDefinedMapperRef( | ||||
17539 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||
17540 | VE->getType().getCanonicalType(), UnresolvedMapper); | ||||
17541 | if (ER.isInvalid()) | ||||
17542 | continue; | ||||
17543 | MVLI.UDMapperList.push_back(ER.get()); | ||||
17544 | // We can only analyze this information once the missing information is | ||||
17545 | // resolved. | ||||
17546 | MVLI.ProcessedVarList.push_back(RE); | ||||
17547 | continue; | ||||
17548 | } | ||||
17549 | |||||
17550 | Expr *SimpleExpr = RE->IgnoreParenCasts(); | ||||
17551 | |||||
17552 | if (!RE->isLValue()) { | ||||
17553 | if (SemaRef.getLangOpts().OpenMP < 50) { | ||||
17554 | SemaRef.Diag( | ||||
17555 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) | ||||
17556 | << RE->getSourceRange(); | ||||
17557 | } else { | ||||
17558 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | ||||
17559 | << getOpenMPClauseName(CKind) << RE->getSourceRange(); | ||||
17560 | } | ||||
17561 | continue; | ||||
17562 | } | ||||
17563 | |||||
17564 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | ||||
17565 | ValueDecl *CurDeclaration = nullptr; | ||||
17566 | |||||
17567 | // Obtain the array or member expression bases if required. Also, fill the | ||||
17568 | // components array with all the components identified in the process. | ||||
17569 | const Expr *BE = checkMapClauseExpressionBase( | ||||
17570 | SemaRef, SimpleExpr, CurComponents, CKind, /*NoDiagnose=*/false); | ||||
17571 | if (!BE) | ||||
17572 | continue; | ||||
17573 | |||||
17574 | assert(!CurComponents.empty() &&((!CurComponents.empty() && "Invalid mappable expression information." ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17575, __PRETTY_FUNCTION__)) | ||||
17575 | "Invalid mappable expression information.")((!CurComponents.empty() && "Invalid mappable expression information." ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17575, __PRETTY_FUNCTION__)); | ||||
17576 | |||||
17577 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { | ||||
17578 | // Add store "this" pointer to class in DSAStackTy for future checking | ||||
17579 | DSAS->addMappedClassesQualTypes(TE->getType()); | ||||
17580 | // Try to find the associated user-defined mapper. | ||||
17581 | ExprResult ER = buildUserDefinedMapperRef( | ||||
17582 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||
17583 | VE->getType().getCanonicalType(), UnresolvedMapper); | ||||
17584 | if (ER.isInvalid()) | ||||
17585 | continue; | ||||
17586 | MVLI.UDMapperList.push_back(ER.get()); | ||||
17587 | // Skip restriction checking for variable or field declarations | ||||
17588 | MVLI.ProcessedVarList.push_back(RE); | ||||
17589 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
17590 | MVLI.VarComponents.back().append(CurComponents.begin(), | ||||
17591 | CurComponents.end()); | ||||
17592 | MVLI.VarBaseDeclarations.push_back(nullptr); | ||||
17593 | continue; | ||||
17594 | } | ||||
17595 | |||||
17596 | // For the following checks, we rely on the base declaration which is | ||||
17597 | // expected to be associated with the last component. The declaration is | ||||
17598 | // expected to be a variable or a field (if 'this' is being mapped). | ||||
17599 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); | ||||
17600 | assert(CurDeclaration && "Null decl on map clause.")((CurDeclaration && "Null decl on map clause.") ? static_cast <void> (0) : __assert_fail ("CurDeclaration && \"Null decl on map clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17600, __PRETTY_FUNCTION__)); | ||||
17601 | assert(((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17603, __PRETTY_FUNCTION__)) | ||||
17602 | CurDeclaration->isCanonicalDecl() &&((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17603, __PRETTY_FUNCTION__)) | ||||
17603 | "Expecting components to have associated only canonical declarations.")((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17603, __PRETTY_FUNCTION__)); | ||||
17604 | |||||
17605 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); | ||||
17606 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); | ||||
17607 | |||||
17608 | assert((VD || FD) && "Only variables or fields are expected here!")(((VD || FD) && "Only variables or fields are expected here!" ) ? static_cast<void> (0) : __assert_fail ("(VD || FD) && \"Only variables or fields are expected here!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17608, __PRETTY_FUNCTION__)); | ||||
17609 | (void)FD; | ||||
17610 | |||||
17611 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] | ||||
17612 | // threadprivate variables cannot appear in a map clause. | ||||
17613 | // OpenMP 4.5 [2.10.5, target update Construct] | ||||
17614 | // threadprivate variables cannot appear in a from clause. | ||||
17615 | if (VD && DSAS->isThreadPrivate(VD)) { | ||||
17616 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | ||||
17617 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) | ||||
17618 | << getOpenMPClauseName(CKind); | ||||
17619 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); | ||||
17620 | continue; | ||||
17621 | } | ||||
17622 | |||||
17623 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | ||||
17624 | // A list item cannot appear in both a map clause and a data-sharing | ||||
17625 | // attribute clause on the same construct. | ||||
17626 | |||||
17627 | // Check conflicts with other map clause expressions. We check the conflicts | ||||
17628 | // with the current construct separately from the enclosing data | ||||
17629 | // environment, because the restrictions are different. We only have to | ||||
17630 | // check conflicts across regions for the map clauses. | ||||
17631 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | ||||
17632 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) | ||||
17633 | break; | ||||
17634 | if (CKind == OMPC_map && | ||||
17635 | (SemaRef.getLangOpts().OpenMP <= 45 || StartLoc.isValid()) && | ||||
17636 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | ||||
17637 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) | ||||
17638 | break; | ||||
17639 | |||||
17640 | // OpenMP 4.5 [2.10.5, target update Construct] | ||||
17641 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
17642 | // If the type of a list item is a reference to a type T then the type will | ||||
17643 | // be considered to be T for all purposes of this clause. | ||||
17644 | auto I = llvm::find_if( | ||||
17645 | CurComponents, | ||||
17646 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { | ||||
17647 | return MC.getAssociatedDeclaration(); | ||||
17648 | }); | ||||
17649 | assert(I != CurComponents.end() && "Null decl on map clause.")((I != CurComponents.end() && "Null decl on map clause." ) ? static_cast<void> (0) : __assert_fail ("I != CurComponents.end() && \"Null decl on map clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17649, __PRETTY_FUNCTION__)); | ||||
17650 | QualType Type; | ||||
17651 | auto *ASE = dyn_cast<ArraySubscriptExpr>(VE->IgnoreParens()); | ||||
17652 | auto *OASE = dyn_cast<OMPArraySectionExpr>(VE->IgnoreParens()); | ||||
17653 | auto *OAShE = dyn_cast<OMPArrayShapingExpr>(VE->IgnoreParens()); | ||||
17654 | if (ASE) { | ||||
17655 | Type = ASE->getType().getNonReferenceType(); | ||||
17656 | } else if (OASE) { | ||||
17657 | QualType BaseType = | ||||
17658 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||
17659 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||
17660 | Type = ATy->getElementType(); | ||||
17661 | else | ||||
17662 | Type = BaseType->getPointeeType(); | ||||
17663 | Type = Type.getNonReferenceType(); | ||||
17664 | } else if (OAShE) { | ||||
17665 | Type = OAShE->getBase()->getType()->getPointeeType(); | ||||
17666 | } else { | ||||
17667 | Type = VE->getType(); | ||||
17668 | } | ||||
17669 | |||||
17670 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] | ||||
17671 | // A list item in a to or from clause must have a mappable type. | ||||
17672 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | ||||
17673 | // A list item must have a mappable type. | ||||
17674 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, | ||||
17675 | DSAS, Type)) | ||||
17676 | continue; | ||||
17677 | |||||
17678 | Type = I->getAssociatedDeclaration()->getType().getNonReferenceType(); | ||||
17679 | |||||
17680 | if (CKind == OMPC_map) { | ||||
17681 | // target enter data | ||||
17682 | // OpenMP [2.10.2, Restrictions, p. 99] | ||||
17683 | // A map-type must be specified in all map clauses and must be either | ||||
17684 | // to or alloc. | ||||
17685 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); | ||||
17686 | if (DKind == OMPD_target_enter_data && | ||||
17687 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { | ||||
17688 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||
17689 | << (IsMapTypeImplicit ? 1 : 0) | ||||
17690 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||
17691 | << getOpenMPDirectiveName(DKind); | ||||
17692 | continue; | ||||
17693 | } | ||||
17694 | |||||
17695 | // target exit_data | ||||
17696 | // OpenMP [2.10.3, Restrictions, p. 102] | ||||
17697 | // A map-type must be specified in all map clauses and must be either | ||||
17698 | // from, release, or delete. | ||||
17699 | if (DKind == OMPD_target_exit_data && | ||||
17700 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || | ||||
17701 | MapType == OMPC_MAP_delete)) { | ||||
17702 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||
17703 | << (IsMapTypeImplicit ? 1 : 0) | ||||
17704 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||
17705 | << getOpenMPDirectiveName(DKind); | ||||
17706 | continue; | ||||
17707 | } | ||||
17708 | |||||
17709 | // target, target data | ||||
17710 | // OpenMP 5.0 [2.12.2, Restrictions, p. 163] | ||||
17711 | // OpenMP 5.0 [2.12.5, Restrictions, p. 174] | ||||
17712 | // A map-type in a map clause must be to, from, tofrom or alloc | ||||
17713 | if ((DKind == OMPD_target_data || | ||||
17714 | isOpenMPTargetExecutionDirective(DKind)) && | ||||
17715 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_from || | ||||
17716 | MapType == OMPC_MAP_tofrom || MapType == OMPC_MAP_alloc)) { | ||||
17717 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||
17718 | << (IsMapTypeImplicit ? 1 : 0) | ||||
17719 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||
17720 | << getOpenMPDirectiveName(DKind); | ||||
17721 | continue; | ||||
17722 | } | ||||
17723 | |||||
17724 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||
17725 | // A list item cannot appear in both a map clause and a data-sharing | ||||
17726 | // attribute clause on the same construct | ||||
17727 | // | ||||
17728 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||
17729 | // A list item cannot appear in both a map clause and a data-sharing | ||||
17730 | // attribute clause on the same construct unless the construct is a | ||||
17731 | // combined construct. | ||||
17732 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && | ||||
17733 | isOpenMPTargetExecutionDirective(DKind)) || | ||||
17734 | DKind == OMPD_target)) { | ||||
17735 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | ||||
17736 | if (isOpenMPPrivate(DVar.CKind)) { | ||||
17737 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
17738 | << getOpenMPClauseName(DVar.CKind) | ||||
17739 | << getOpenMPClauseName(OMPC_map) | ||||
17740 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); | ||||
17741 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); | ||||
17742 | continue; | ||||
17743 | } | ||||
17744 | } | ||||
17745 | } | ||||
17746 | |||||
17747 | // Try to find the associated user-defined mapper. | ||||
17748 | ExprResult ER = buildUserDefinedMapperRef( | ||||
17749 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||
17750 | Type.getCanonicalType(), UnresolvedMapper); | ||||
17751 | if (ER.isInvalid()) | ||||
17752 | continue; | ||||
17753 | MVLI.UDMapperList.push_back(ER.get()); | ||||
17754 | |||||
17755 | // Save the current expression. | ||||
17756 | MVLI.ProcessedVarList.push_back(RE); | ||||
17757 | |||||
17758 | // Store the components in the stack so that they can be used to check | ||||
17759 | // against other clauses later on. | ||||
17760 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, | ||||
17761 | /*WhereFoundClauseKind=*/OMPC_map); | ||||
17762 | |||||
17763 | // Save the components and declaration to create the clause. For purposes of | ||||
17764 | // the clause creation, any component list that has has base 'this' uses | ||||
17765 | // null as base declaration. | ||||
17766 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
17767 | MVLI.VarComponents.back().append(CurComponents.begin(), | ||||
17768 | CurComponents.end()); | ||||
17769 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr | ||||
17770 | : CurDeclaration); | ||||
17771 | } | ||||
17772 | } | ||||
17773 | |||||
17774 | OMPClause *Sema::ActOnOpenMPMapClause( | ||||
17775 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | ||||
17776 | ArrayRef<SourceLocation> MapTypeModifiersLoc, | ||||
17777 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | ||||
17778 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, | ||||
17779 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||
17780 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||
17781 | OpenMPMapModifierKind Modifiers[] = { | ||||
17782 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, | ||||
17783 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown}; | ||||
17784 | SourceLocation ModifiersLoc[NumberOfOMPMapClauseModifiers]; | ||||
17785 | |||||
17786 | // Process map-type-modifiers, flag errors for duplicate modifiers. | ||||
17787 | unsigned Count = 0; | ||||
17788 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { | ||||
17789 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && | ||||
17790 | llvm::find(Modifiers, MapTypeModifiers[I]) != std::end(Modifiers)) { | ||||
17791 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); | ||||
17792 | continue; | ||||
17793 | } | ||||
17794 | assert(Count < NumberOfOMPMapClauseModifiers &&((Count < NumberOfOMPMapClauseModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < NumberOfOMPMapClauseModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17795, __PRETTY_FUNCTION__)) | ||||
17795 | "Modifiers exceed the allowed number of map type modifiers")((Count < NumberOfOMPMapClauseModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < NumberOfOMPMapClauseModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17795, __PRETTY_FUNCTION__)); | ||||
17796 | Modifiers[Count] = MapTypeModifiers[I]; | ||||
17797 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; | ||||
17798 | ++Count; | ||||
17799 | } | ||||
17800 | |||||
17801 | MappableVarListInfo MVLI(VarList); | ||||
17802 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, | ||||
17803 | MapperIdScopeSpec, MapperId, UnresolvedMappers, | ||||
17804 | MapType, IsMapTypeImplicit); | ||||
17805 | |||||
17806 | // We need to produce a map clause even if we don't have variables so that | ||||
17807 | // other diagnostics related with non-existing map clauses are accurate. | ||||
17808 | return OMPMapClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||
17809 | MVLI.VarBaseDeclarations, MVLI.VarComponents, | ||||
17810 | MVLI.UDMapperList, Modifiers, ModifiersLoc, | ||||
17811 | MapperIdScopeSpec.getWithLocInContext(Context), | ||||
17812 | MapperId, MapType, IsMapTypeImplicit, MapLoc); | ||||
17813 | } | ||||
17814 | |||||
17815 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, | ||||
17816 | TypeResult ParsedType) { | ||||
17817 | assert(ParsedType.isUsable())((ParsedType.isUsable()) ? static_cast<void> (0) : __assert_fail ("ParsedType.isUsable()", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 17817, __PRETTY_FUNCTION__)); | ||||
17818 | |||||
17819 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); | ||||
17820 | if (ReductionType.isNull()) | ||||
17821 | return QualType(); | ||||
17822 | |||||
17823 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ | ||||
17824 | // A type name in a declare reduction directive cannot be a function type, an | ||||
17825 | // array type, a reference type, or a type qualified with const, volatile or | ||||
17826 | // restrict. | ||||
17827 | if (ReductionType.hasQualifiers()) { | ||||
17828 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; | ||||
17829 | return QualType(); | ||||
17830 | } | ||||
17831 | |||||
17832 | if (ReductionType->isFunctionType()) { | ||||
17833 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; | ||||
17834 | return QualType(); | ||||
17835 | } | ||||
17836 | if (ReductionType->isReferenceType()) { | ||||
17837 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; | ||||
17838 | return QualType(); | ||||
17839 | } | ||||
17840 | if (ReductionType->isArrayType()) { | ||||
17841 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; | ||||
17842 | return QualType(); | ||||
17843 | } | ||||
17844 | return ReductionType; | ||||
17845 | } | ||||
17846 | |||||
17847 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( | ||||
17848 | Scope *S, DeclContext *DC, DeclarationName Name, | ||||
17849 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, | ||||
17850 | AccessSpecifier AS, Decl *PrevDeclInScope) { | ||||
17851 | SmallVector<Decl *, 8> Decls; | ||||
17852 | Decls.reserve(ReductionTypes.size()); | ||||
17853 | |||||
17854 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, | ||||
17855 | forRedeclarationInCurContext()); | ||||
17856 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions | ||||
17857 | // A reduction-identifier may not be re-declared in the current scope for the | ||||
17858 | // same type or for a type that is compatible according to the base language | ||||
17859 | // rules. | ||||
17860 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | ||||
17861 | OMPDeclareReductionDecl *PrevDRD = nullptr; | ||||
17862 | bool InCompoundScope = true; | ||||
17863 | if (S != nullptr) { | ||||
17864 | // Find previous declaration with the same name not referenced in other | ||||
17865 | // declarations. | ||||
17866 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | ||||
17867 | InCompoundScope = | ||||
17868 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | ||||
17869 | LookupName(Lookup, S); | ||||
17870 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | ||||
17871 | /*AllowInlineNamespace=*/false); | ||||
17872 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; | ||||
17873 | LookupResult::Filter Filter = Lookup.makeFilter(); | ||||
17874 | while (Filter.hasNext()) { | ||||
17875 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); | ||||
17876 | if (InCompoundScope) { | ||||
17877 | auto I = UsedAsPrevious.find(PrevDecl); | ||||
17878 | if (I == UsedAsPrevious.end()) | ||||
17879 | UsedAsPrevious[PrevDecl] = false; | ||||
17880 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) | ||||
17881 | UsedAsPrevious[D] = true; | ||||
17882 | } | ||||
17883 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | ||||
17884 | PrevDecl->getLocation(); | ||||
17885 | } | ||||
17886 | Filter.done(); | ||||
17887 | if (InCompoundScope) { | ||||
17888 | for (const auto &PrevData : UsedAsPrevious) { | ||||
17889 | if (!PrevData.second) { | ||||
17890 | PrevDRD = PrevData.first; | ||||
17891 | break; | ||||
17892 | } | ||||
17893 | } | ||||
17894 | } | ||||
17895 | } else if (PrevDeclInScope != nullptr) { | ||||
17896 | auto *PrevDRDInScope = PrevDRD = | ||||
17897 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); | ||||
17898 | do { | ||||
17899 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = | ||||
17900 | PrevDRDInScope->getLocation(); | ||||
17901 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); | ||||
17902 | } while (PrevDRDInScope != nullptr); | ||||
17903 | } | ||||
17904 | for (const auto &TyData : ReductionTypes) { | ||||
17905 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); | ||||
17906 | bool Invalid = false; | ||||
17907 | if (I != PreviousRedeclTypes.end()) { | ||||
17908 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) | ||||
17909 | << TyData.first; | ||||
17910 | Diag(I->second, diag::note_previous_definition); | ||||
17911 | Invalid = true; | ||||
17912 | } | ||||
17913 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; | ||||
17914 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, | ||||
17915 | Name, TyData.first, PrevDRD); | ||||
17916 | DC->addDecl(DRD); | ||||
17917 | DRD->setAccess(AS); | ||||
17918 | Decls.push_back(DRD); | ||||
17919 | if (Invalid) | ||||
17920 | DRD->setInvalidDecl(); | ||||
17921 | else | ||||
17922 | PrevDRD = DRD; | ||||
17923 | } | ||||
17924 | |||||
17925 | return DeclGroupPtrTy::make( | ||||
17926 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); | ||||
17927 | } | ||||
17928 | |||||
17929 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { | ||||
17930 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
17931 | |||||
17932 | // Enter new function scope. | ||||
17933 | PushFunctionScope(); | ||||
17934 | setFunctionHasBranchProtectedScope(); | ||||
17935 | getCurFunction()->setHasOMPDeclareReductionCombiner(); | ||||
17936 | |||||
17937 | if (S != nullptr) | ||||
17938 | PushDeclContext(S, DRD); | ||||
17939 | else | ||||
17940 | CurContext = DRD; | ||||
17941 | |||||
17942 | PushExpressionEvaluationContext( | ||||
17943 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
17944 | |||||
17945 | QualType ReductionType = DRD->getType(); | ||||
17946 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will | ||||
17947 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' | ||||
17948 | // uses semantics of argument handles by value, but it should be passed by | ||||
17949 | // reference. C lang does not support references, so pass all parameters as | ||||
17950 | // pointers. | ||||
17951 | // Create 'T omp_in;' variable. | ||||
17952 | VarDecl *OmpInParm = | ||||
17953 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); | ||||
17954 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will | ||||
17955 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' | ||||
17956 | // uses semantics of argument handles by value, but it should be passed by | ||||
17957 | // reference. C lang does not support references, so pass all parameters as | ||||
17958 | // pointers. | ||||
17959 | // Create 'T omp_out;' variable. | ||||
17960 | VarDecl *OmpOutParm = | ||||
17961 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); | ||||
17962 | if (S != nullptr) { | ||||
17963 | PushOnScopeChains(OmpInParm, S); | ||||
17964 | PushOnScopeChains(OmpOutParm, S); | ||||
17965 | } else { | ||||
17966 | DRD->addDecl(OmpInParm); | ||||
17967 | DRD->addDecl(OmpOutParm); | ||||
17968 | } | ||||
17969 | Expr *InE = | ||||
17970 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); | ||||
17971 | Expr *OutE = | ||||
17972 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); | ||||
17973 | DRD->setCombinerData(InE, OutE); | ||||
17974 | } | ||||
17975 | |||||
17976 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { | ||||
17977 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
17978 | DiscardCleanupsInEvaluationContext(); | ||||
17979 | PopExpressionEvaluationContext(); | ||||
17980 | |||||
17981 | PopDeclContext(); | ||||
17982 | PopFunctionScopeInfo(); | ||||
17983 | |||||
17984 | if (Combiner != nullptr) | ||||
17985 | DRD->setCombiner(Combiner); | ||||
17986 | else | ||||
17987 | DRD->setInvalidDecl(); | ||||
17988 | } | ||||
17989 | |||||
17990 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { | ||||
17991 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
17992 | |||||
17993 | // Enter new function scope. | ||||
17994 | PushFunctionScope(); | ||||
17995 | setFunctionHasBranchProtectedScope(); | ||||
17996 | |||||
17997 | if (S != nullptr) | ||||
17998 | PushDeclContext(S, DRD); | ||||
17999 | else | ||||
18000 | CurContext = DRD; | ||||
18001 | |||||
18002 | PushExpressionEvaluationContext( | ||||
18003 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
18004 | |||||
18005 | QualType ReductionType = DRD->getType(); | ||||
18006 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will | ||||
18007 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' | ||||
18008 | // uses semantics of argument handles by value, but it should be passed by | ||||
18009 | // reference. C lang does not support references, so pass all parameters as | ||||
18010 | // pointers. | ||||
18011 | // Create 'T omp_priv;' variable. | ||||
18012 | VarDecl *OmpPrivParm = | ||||
18013 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); | ||||
18014 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will | ||||
18015 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' | ||||
18016 | // uses semantics of argument handles by value, but it should be passed by | ||||
18017 | // reference. C lang does not support references, so pass all parameters as | ||||
18018 | // pointers. | ||||
18019 | // Create 'T omp_orig;' variable. | ||||
18020 | VarDecl *OmpOrigParm = | ||||
18021 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); | ||||
18022 | if (S != nullptr) { | ||||
18023 | PushOnScopeChains(OmpPrivParm, S); | ||||
18024 | PushOnScopeChains(OmpOrigParm, S); | ||||
18025 | } else { | ||||
18026 | DRD->addDecl(OmpPrivParm); | ||||
18027 | DRD->addDecl(OmpOrigParm); | ||||
18028 | } | ||||
18029 | Expr *OrigE = | ||||
18030 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); | ||||
18031 | Expr *PrivE = | ||||
18032 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); | ||||
18033 | DRD->setInitializerData(OrigE, PrivE); | ||||
18034 | return OmpPrivParm; | ||||
18035 | } | ||||
18036 | |||||
18037 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, | ||||
18038 | VarDecl *OmpPrivParm) { | ||||
18039 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
18040 | DiscardCleanupsInEvaluationContext(); | ||||
18041 | PopExpressionEvaluationContext(); | ||||
18042 | |||||
18043 | PopDeclContext(); | ||||
18044 | PopFunctionScopeInfo(); | ||||
18045 | |||||
18046 | if (Initializer != nullptr) { | ||||
18047 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); | ||||
18048 | } else if (OmpPrivParm->hasInit()) { | ||||
18049 | DRD->setInitializer(OmpPrivParm->getInit(), | ||||
18050 | OmpPrivParm->isDirectInit() | ||||
18051 | ? OMPDeclareReductionDecl::DirectInit | ||||
18052 | : OMPDeclareReductionDecl::CopyInit); | ||||
18053 | } else { | ||||
18054 | DRD->setInvalidDecl(); | ||||
18055 | } | ||||
18056 | } | ||||
18057 | |||||
18058 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( | ||||
18059 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { | ||||
18060 | for (Decl *D : DeclReductions.get()) { | ||||
18061 | if (IsValid) { | ||||
18062 | if (S) | ||||
18063 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, | ||||
18064 | /*AddToContext=*/false); | ||||
18065 | } else { | ||||
18066 | D->setInvalidDecl(); | ||||
18067 | } | ||||
18068 | } | ||||
18069 | return DeclReductions; | ||||
18070 | } | ||||
18071 | |||||
18072 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { | ||||
18073 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | ||||
18074 | QualType T = TInfo->getType(); | ||||
18075 | if (D.isInvalidType()) | ||||
18076 | return true; | ||||
18077 | |||||
18078 | if (getLangOpts().CPlusPlus) { | ||||
18079 | // Check that there are no default arguments (C++ only). | ||||
18080 | CheckExtraCXXDefaultArguments(D); | ||||
18081 | } | ||||
18082 | |||||
18083 | return CreateParsedType(T, TInfo); | ||||
18084 | } | ||||
18085 | |||||
18086 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, | ||||
18087 | TypeResult ParsedType) { | ||||
18088 | assert(ParsedType.isUsable() && "Expect usable parsed mapper type")((ParsedType.isUsable() && "Expect usable parsed mapper type" ) ? static_cast<void> (0) : __assert_fail ("ParsedType.isUsable() && \"Expect usable parsed mapper type\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18088, __PRETTY_FUNCTION__)); | ||||
18089 | |||||
18090 | QualType MapperType = GetTypeFromParser(ParsedType.get()); | ||||
18091 | assert(!MapperType.isNull() && "Expect valid mapper type")((!MapperType.isNull() && "Expect valid mapper type") ? static_cast<void> (0) : __assert_fail ("!MapperType.isNull() && \"Expect valid mapper type\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18091, __PRETTY_FUNCTION__)); | ||||
18092 | |||||
18093 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||
18094 | // The type must be of struct, union or class type in C and C++ | ||||
18095 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { | ||||
18096 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); | ||||
18097 | return QualType(); | ||||
18098 | } | ||||
18099 | return MapperType; | ||||
18100 | } | ||||
18101 | |||||
18102 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareMapperDirective( | ||||
18103 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, | ||||
18104 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, | ||||
18105 | Expr *MapperVarRef, ArrayRef<OMPClause *> Clauses, Decl *PrevDeclInScope) { | ||||
18106 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, | ||||
18107 | forRedeclarationInCurContext()); | ||||
18108 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||
18109 | // A mapper-identifier may not be redeclared in the current scope for the | ||||
18110 | // same type or for a type that is compatible according to the base language | ||||
18111 | // rules. | ||||
18112 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | ||||
18113 | OMPDeclareMapperDecl *PrevDMD = nullptr; | ||||
18114 | bool InCompoundScope = true; | ||||
18115 | if (S != nullptr) { | ||||
18116 | // Find previous declaration with the same name not referenced in other | ||||
18117 | // declarations. | ||||
18118 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | ||||
18119 | InCompoundScope = | ||||
18120 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | ||||
18121 | LookupName(Lookup, S); | ||||
18122 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | ||||
18123 | /*AllowInlineNamespace=*/false); | ||||
18124 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; | ||||
18125 | LookupResult::Filter Filter = Lookup.makeFilter(); | ||||
18126 | while (Filter.hasNext()) { | ||||
18127 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); | ||||
18128 | if (InCompoundScope) { | ||||
18129 | auto I = UsedAsPrevious.find(PrevDecl); | ||||
18130 | if (I == UsedAsPrevious.end()) | ||||
18131 | UsedAsPrevious[PrevDecl] = false; | ||||
18132 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) | ||||
18133 | UsedAsPrevious[D] = true; | ||||
18134 | } | ||||
18135 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | ||||
18136 | PrevDecl->getLocation(); | ||||
18137 | } | ||||
18138 | Filter.done(); | ||||
18139 | if (InCompoundScope) { | ||||
18140 | for (const auto &PrevData : UsedAsPrevious) { | ||||
18141 | if (!PrevData.second) { | ||||
18142 | PrevDMD = PrevData.first; | ||||
18143 | break; | ||||
18144 | } | ||||
18145 | } | ||||
18146 | } | ||||
18147 | } else if (PrevDeclInScope) { | ||||
18148 | auto *PrevDMDInScope = PrevDMD = | ||||
18149 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); | ||||
18150 | do { | ||||
18151 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = | ||||
18152 | PrevDMDInScope->getLocation(); | ||||
18153 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); | ||||
18154 | } while (PrevDMDInScope != nullptr); | ||||
18155 | } | ||||
18156 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); | ||||
18157 | bool Invalid = false; | ||||
18158 | if (I != PreviousRedeclTypes.end()) { | ||||
18159 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) | ||||
18160 | << MapperType << Name; | ||||
18161 | Diag(I->second, diag::note_previous_definition); | ||||
18162 | Invalid = true; | ||||
18163 | } | ||||
18164 | auto *DMD = OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, | ||||
18165 | MapperType, VN, Clauses, PrevDMD); | ||||
18166 | if (S) | ||||
18167 | PushOnScopeChains(DMD, S); | ||||
18168 | else | ||||
18169 | DC->addDecl(DMD); | ||||
18170 | DMD->setAccess(AS); | ||||
18171 | if (Invalid) | ||||
18172 | DMD->setInvalidDecl(); | ||||
18173 | |||||
18174 | auto *VD = cast<DeclRefExpr>(MapperVarRef)->getDecl(); | ||||
18175 | VD->setDeclContext(DMD); | ||||
18176 | VD->setLexicalDeclContext(DMD); | ||||
18177 | DMD->addDecl(VD); | ||||
18178 | DMD->setMapperVarRef(MapperVarRef); | ||||
18179 | |||||
18180 | return DeclGroupPtrTy::make(DeclGroupRef(DMD)); | ||||
18181 | } | ||||
18182 | |||||
18183 | ExprResult | ||||
18184 | Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(Scope *S, QualType MapperType, | ||||
18185 | SourceLocation StartLoc, | ||||
18186 | DeclarationName VN) { | ||||
18187 | TypeSourceInfo *TInfo = | ||||
18188 | Context.getTrivialTypeSourceInfo(MapperType, StartLoc); | ||||
18189 | auto *VD = VarDecl::Create(Context, Context.getTranslationUnitDecl(), | ||||
18190 | StartLoc, StartLoc, VN.getAsIdentifierInfo(), | ||||
18191 | MapperType, TInfo, SC_None); | ||||
18192 | if (S) | ||||
18193 | PushOnScopeChains(VD, S, /*AddToContext=*/false); | ||||
18194 | Expr *E = buildDeclRefExpr(*this, VD, MapperType, StartLoc); | ||||
18195 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDeclareMapperVarRef(E); | ||||
18196 | return E; | ||||
18197 | } | ||||
18198 | |||||
18199 | bool Sema::isOpenMPDeclareMapperVarDeclAllowed(const VarDecl *VD) const { | ||||
18200 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((LangOpts.OpenMP && "Expected OpenMP mode.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18200, __PRETTY_FUNCTION__)); | ||||
18201 | const Expr *Ref = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef(); | ||||
18202 | if (const auto *DRE = cast_or_null<DeclRefExpr>(Ref)) | ||||
18203 | return VD->getCanonicalDecl() == DRE->getDecl()->getCanonicalDecl(); | ||||
18204 | return true; | ||||
18205 | } | ||||
18206 | |||||
18207 | const ValueDecl *Sema::getOpenMPDeclareMapperVarName() const { | ||||
18208 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((LangOpts.OpenMP && "Expected OpenMP mode.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18208, __PRETTY_FUNCTION__)); | ||||
18209 | return cast<DeclRefExpr>(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef())->getDecl(); | ||||
18210 | } | ||||
18211 | |||||
18212 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, | ||||
18213 | SourceLocation StartLoc, | ||||
18214 | SourceLocation LParenLoc, | ||||
18215 | SourceLocation EndLoc) { | ||||
18216 | Expr *ValExpr = NumTeams; | ||||
18217 | Stmt *HelperValStmt = nullptr; | ||||
18218 | |||||
18219 | // OpenMP [teams Constrcut, Restrictions] | ||||
18220 | // The num_teams expression must evaluate to a positive integer value. | ||||
18221 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, | ||||
18222 | /*StrictlyPositive=*/true)) | ||||
18223 | return nullptr; | ||||
18224 | |||||
18225 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
18226 | OpenMPDirectiveKind CaptureRegion = | ||||
18227 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams, LangOpts.OpenMP); | ||||
18228 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
18229 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
18230 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
18231 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
18232 | HelperValStmt = buildPreInits(Context, Captures); | ||||
18233 | } | ||||
18234 | |||||
18235 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
18236 | StartLoc, LParenLoc, EndLoc); | ||||
18237 | } | ||||
18238 | |||||
18239 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, | ||||
18240 | SourceLocation StartLoc, | ||||
18241 | SourceLocation LParenLoc, | ||||
18242 | SourceLocation EndLoc) { | ||||
18243 | Expr *ValExpr = ThreadLimit; | ||||
18244 | Stmt *HelperValStmt = nullptr; | ||||
18245 | |||||
18246 | // OpenMP [teams Constrcut, Restrictions] | ||||
18247 | // The thread_limit expression must evaluate to a positive integer value. | ||||
18248 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, | ||||
18249 | /*StrictlyPositive=*/true)) | ||||
18250 | return nullptr; | ||||
18251 | |||||
18252 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
18253 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( | ||||
18254 | DKind, OMPC_thread_limit, LangOpts.OpenMP); | ||||
18255 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
18256 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
18257 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
18258 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
18259 | HelperValStmt = buildPreInits(Context, Captures); | ||||
18260 | } | ||||
18261 | |||||
18262 | return new (Context) OMPThreadLimitClause( | ||||
18263 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | ||||
18264 | } | ||||
18265 | |||||
18266 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, | ||||
18267 | SourceLocation StartLoc, | ||||
18268 | SourceLocation LParenLoc, | ||||
18269 | SourceLocation EndLoc) { | ||||
18270 | Expr *ValExpr = Priority; | ||||
18271 | Stmt *HelperValStmt = nullptr; | ||||
18272 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
18273 | |||||
18274 | // OpenMP [2.9.1, task Constrcut] | ||||
18275 | // The priority-value is a non-negative numerical scalar expression. | ||||
18276 | if (!isNonNegativeIntegerValue( | ||||
18277 | ValExpr, *this, OMPC_priority, | ||||
18278 | /*StrictlyPositive=*/false, /*BuildCapture=*/true, | ||||
18279 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||
18280 | return nullptr; | ||||
18281 | |||||
18282 | return new (Context) OMPPriorityClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
18283 | StartLoc, LParenLoc, EndLoc); | ||||
18284 | } | ||||
18285 | |||||
18286 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, | ||||
18287 | SourceLocation StartLoc, | ||||
18288 | SourceLocation LParenLoc, | ||||
18289 | SourceLocation EndLoc) { | ||||
18290 | Expr *ValExpr = Grainsize; | ||||
18291 | Stmt *HelperValStmt = nullptr; | ||||
18292 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
18293 | |||||
18294 | // OpenMP [2.9.2, taskloop Constrcut] | ||||
18295 | // The parameter of the grainsize clause must be a positive integer | ||||
18296 | // expression. | ||||
18297 | if (!isNonNegativeIntegerValue( | ||||
18298 | ValExpr, *this, OMPC_grainsize, | ||||
18299 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | ||||
18300 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||
18301 | return nullptr; | ||||
18302 | |||||
18303 | return new (Context) OMPGrainsizeClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
18304 | StartLoc, LParenLoc, EndLoc); | ||||
18305 | } | ||||
18306 | |||||
18307 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, | ||||
18308 | SourceLocation StartLoc, | ||||
18309 | SourceLocation LParenLoc, | ||||
18310 | SourceLocation EndLoc) { | ||||
18311 | Expr *ValExpr = NumTasks; | ||||
18312 | Stmt *HelperValStmt = nullptr; | ||||
18313 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
18314 | |||||
18315 | // OpenMP [2.9.2, taskloop Constrcut] | ||||
18316 | // The parameter of the num_tasks clause must be a positive integer | ||||
18317 | // expression. | ||||
18318 | if (!isNonNegativeIntegerValue( | ||||
18319 | ValExpr, *this, OMPC_num_tasks, | ||||
18320 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | ||||
18321 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||
18322 | return nullptr; | ||||
18323 | |||||
18324 | return new (Context) OMPNumTasksClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
18325 | StartLoc, LParenLoc, EndLoc); | ||||
18326 | } | ||||
18327 | |||||
18328 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, | ||||
18329 | SourceLocation LParenLoc, | ||||
18330 | SourceLocation EndLoc) { | ||||
18331 | // OpenMP [2.13.2, critical construct, Description] | ||||
18332 | // ... where hint-expression is an integer constant expression that evaluates | ||||
18333 | // to a valid lock hint. | ||||
18334 | ExprResult HintExpr = VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint); | ||||
18335 | if (HintExpr.isInvalid()) | ||||
18336 | return nullptr; | ||||
18337 | return new (Context) | ||||
18338 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); | ||||
18339 | } | ||||
18340 | |||||
18341 | /// Tries to find omp_event_handle_t type. | ||||
18342 | static bool findOMPEventHandleT(Sema &S, SourceLocation Loc, | ||||
18343 | DSAStackTy *Stack) { | ||||
18344 | QualType OMPEventHandleT = Stack->getOMPEventHandleT(); | ||||
18345 | if (!OMPEventHandleT.isNull()) | ||||
18346 | return true; | ||||
18347 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_event_handle_t"); | ||||
18348 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); | ||||
18349 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | ||||
18350 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_event_handle_t"; | ||||
18351 | return false; | ||||
18352 | } | ||||
18353 | Stack->setOMPEventHandleT(PT.get()); | ||||
18354 | return true; | ||||
18355 | } | ||||
18356 | |||||
18357 | OMPClause *Sema::ActOnOpenMPDetachClause(Expr *Evt, SourceLocation StartLoc, | ||||
18358 | SourceLocation LParenLoc, | ||||
18359 | SourceLocation EndLoc) { | ||||
18360 | if (!Evt->isValueDependent() && !Evt->isTypeDependent() && | ||||
18361 | !Evt->isInstantiationDependent() && | ||||
18362 | !Evt->containsUnexpandedParameterPack()) { | ||||
18363 | if (!findOMPEventHandleT(*this, Evt->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
18364 | return nullptr; | ||||
18365 | // OpenMP 5.0, 2.10.1 task Construct. | ||||
18366 | // event-handle is a variable of the omp_event_handle_t type. | ||||
18367 | auto *Ref = dyn_cast<DeclRefExpr>(Evt->IgnoreParenImpCasts()); | ||||
18368 | if (!Ref) { | ||||
18369 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | ||||
18370 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); | ||||
18371 | return nullptr; | ||||
18372 | } | ||||
18373 | auto *VD = dyn_cast_or_null<VarDecl>(Ref->getDecl()); | ||||
18374 | if (!VD) { | ||||
18375 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | ||||
18376 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); | ||||
18377 | return nullptr; | ||||
18378 | } | ||||
18379 | if (!Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPEventHandleT(), | ||||
18380 | VD->getType()) || | ||||
18381 | VD->getType().isConstant(Context)) { | ||||
18382 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | ||||
18383 | << "omp_event_handle_t" << 1 << VD->getType() | ||||
18384 | << Evt->getSourceRange(); | ||||
18385 | return nullptr; | ||||
18386 | } | ||||
18387 | // OpenMP 5.0, 2.10.1 task Construct | ||||
18388 | // [detach clause]... The event-handle will be considered as if it was | ||||
18389 | // specified on a firstprivate clause. | ||||
18390 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | ||||
18391 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | ||||
18392 | DVar.RefExpr) { | ||||
18393 | Diag(Evt->getExprLoc(), diag::err_omp_wrong_dsa) | ||||
18394 | << getOpenMPClauseName(DVar.CKind) | ||||
18395 | << getOpenMPClauseName(OMPC_firstprivate); | ||||
18396 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); | ||||
18397 | return nullptr; | ||||
18398 | } | ||||
18399 | } | ||||
18400 | |||||
18401 | return new (Context) OMPDetachClause(Evt, StartLoc, LParenLoc, EndLoc); | ||||
18402 | } | ||||
18403 | |||||
18404 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( | ||||
18405 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | ||||
18406 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, | ||||
18407 | SourceLocation EndLoc) { | ||||
18408 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { | ||||
18409 | std::string Values; | ||||
18410 | Values += "'"; | ||||
18411 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); | ||||
18412 | Values += "'"; | ||||
18413 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
18414 | << Values << getOpenMPClauseName(OMPC_dist_schedule); | ||||
18415 | return nullptr; | ||||
18416 | } | ||||
18417 | Expr *ValExpr = ChunkSize; | ||||
18418 | Stmt *HelperValStmt = nullptr; | ||||
18419 | if (ChunkSize) { | ||||
18420 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | ||||
18421 | !ChunkSize->isInstantiationDependent() && | ||||
18422 | !ChunkSize->containsUnexpandedParameterPack()) { | ||||
18423 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | ||||
18424 | ExprResult Val = | ||||
18425 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | ||||
18426 | if (Val.isInvalid()) | ||||
18427 | return nullptr; | ||||
18428 | |||||
18429 | ValExpr = Val.get(); | ||||
18430 | |||||
18431 | // OpenMP [2.7.1, Restrictions] | ||||
18432 | // chunk_size must be a loop invariant integer expression with a positive | ||||
18433 | // value. | ||||
18434 | if (Optional<llvm::APSInt> Result = | ||||
18435 | ValExpr->getIntegerConstantExpr(Context)) { | ||||
18436 | if (Result->isSigned() && !Result->isStrictlyPositive()) { | ||||
18437 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | ||||
18438 | << "dist_schedule" << ChunkSize->getSourceRange(); | ||||
18439 | return nullptr; | ||||
18440 | } | ||||
18441 | } else if (getOpenMPCaptureRegionForClause( | ||||
18442 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule, | ||||
18443 | LangOpts.OpenMP) != OMPD_unknown && | ||||
18444 | !CurContext->isDependentContext()) { | ||||
18445 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
18446 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
18447 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
18448 | HelperValStmt = buildPreInits(Context, Captures); | ||||
18449 | } | ||||
18450 | } | ||||
18451 | } | ||||
18452 | |||||
18453 | return new (Context) | ||||
18454 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, | ||||
18455 | Kind, ValExpr, HelperValStmt); | ||||
18456 | } | ||||
18457 | |||||
18458 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( | ||||
18459 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, | ||||
18460 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, | ||||
18461 | SourceLocation KindLoc, SourceLocation EndLoc) { | ||||
18462 | if (getLangOpts().OpenMP < 50) { | ||||
18463 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || | ||||
18464 | Kind != OMPC_DEFAULTMAP_scalar) { | ||||
18465 | std::string Value; | ||||
18466 | SourceLocation Loc; | ||||
18467 | Value += "'"; | ||||
18468 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { | ||||
18469 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | ||||
18470 | OMPC_DEFAULTMAP_MODIFIER_tofrom); | ||||
18471 | Loc = MLoc; | ||||
18472 | } else { | ||||
18473 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | ||||
18474 | OMPC_DEFAULTMAP_scalar); | ||||
18475 | Loc = KindLoc; | ||||
18476 | } | ||||
18477 | Value += "'"; | ||||
18478 | Diag(Loc, diag::err_omp_unexpected_clause_value) | ||||
18479 | << Value << getOpenMPClauseName(OMPC_defaultmap); | ||||
18480 | return nullptr; | ||||
18481 | } | ||||
18482 | } else { | ||||
18483 | bool isDefaultmapModifier = (M != OMPC_DEFAULTMAP_MODIFIER_unknown); | ||||
18484 | bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown) || | ||||
18485 | (LangOpts.OpenMP >= 50 && KindLoc.isInvalid()); | ||||
18486 | if (!isDefaultmapKind || !isDefaultmapModifier) { | ||||
18487 | std::string ModifierValue = "'alloc', 'from', 'to', 'tofrom', " | ||||
18488 | "'firstprivate', 'none', 'default'"; | ||||
18489 | std::string KindValue = "'scalar', 'aggregate', 'pointer'"; | ||||
18490 | if (!isDefaultmapKind && isDefaultmapModifier) { | ||||
18491 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
18492 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
18493 | } else if (isDefaultmapKind && !isDefaultmapModifier) { | ||||
18494 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||
18495 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
18496 | } else { | ||||
18497 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||
18498 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
18499 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
18500 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
18501 | } | ||||
18502 | return nullptr; | ||||
18503 | } | ||||
18504 | |||||
18505 | // OpenMP [5.0, 2.12.5, Restrictions, p. 174] | ||||
18506 | // At most one defaultmap clause for each category can appear on the | ||||
18507 | // directive. | ||||
18508 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkDefaultmapCategory(Kind)) { | ||||
18509 | Diag(StartLoc, diag::err_omp_one_defaultmap_each_category); | ||||
18510 | return nullptr; | ||||
18511 | } | ||||
18512 | } | ||||
18513 | if (Kind == OMPC_DEFAULTMAP_unknown) { | ||||
18514 | // Variable category is not specified - mark all categories. | ||||
18515 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_aggregate, StartLoc); | ||||
18516 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_scalar, StartLoc); | ||||
18517 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_pointer, StartLoc); | ||||
18518 | } else { | ||||
18519 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, Kind, StartLoc); | ||||
18520 | } | ||||
18521 | |||||
18522 | return new (Context) | ||||
18523 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); | ||||
18524 | } | ||||
18525 | |||||
18526 | bool Sema::ActOnStartOpenMPDeclareTargetDirective(SourceLocation Loc) { | ||||
18527 | DeclContext *CurLexicalContext = getCurLexicalContext(); | ||||
18528 | if (!CurLexicalContext->isFileContext() && | ||||
18529 | !CurLexicalContext->isExternCContext() && | ||||
18530 | !CurLexicalContext->isExternCXXContext() && | ||||
18531 | !isa<CXXRecordDecl>(CurLexicalContext) && | ||||
18532 | !isa<ClassTemplateDecl>(CurLexicalContext) && | ||||
18533 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && | ||||
18534 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { | ||||
18535 | Diag(Loc, diag::err_omp_region_not_file_context); | ||||
18536 | return false; | ||||
18537 | } | ||||
18538 | DeclareTargetNesting.push_back(Loc); | ||||
18539 | return true; | ||||
18540 | } | ||||
18541 | |||||
18542 | void Sema::ActOnFinishOpenMPDeclareTargetDirective() { | ||||
18543 | assert(!DeclareTargetNesting.empty() &&((!DeclareTargetNesting.empty() && "Unexpected ActOnFinishOpenMPDeclareTargetDirective" ) ? static_cast<void> (0) : __assert_fail ("!DeclareTargetNesting.empty() && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18544, __PRETTY_FUNCTION__)) | ||||
18544 | "Unexpected ActOnFinishOpenMPDeclareTargetDirective")((!DeclareTargetNesting.empty() && "Unexpected ActOnFinishOpenMPDeclareTargetDirective" ) ? static_cast<void> (0) : __assert_fail ("!DeclareTargetNesting.empty() && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18544, __PRETTY_FUNCTION__)); | ||||
18545 | DeclareTargetNesting.pop_back(); | ||||
18546 | } | ||||
18547 | |||||
18548 | NamedDecl * | ||||
18549 | Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, CXXScopeSpec &ScopeSpec, | ||||
18550 | const DeclarationNameInfo &Id, | ||||
18551 | NamedDeclSetType &SameDirectiveDecls) { | ||||
18552 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | ||||
18553 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | ||||
18554 | |||||
18555 | if (Lookup.isAmbiguous()) | ||||
18556 | return nullptr; | ||||
18557 | Lookup.suppressDiagnostics(); | ||||
18558 | |||||
18559 | if (!Lookup.isSingleResult()) { | ||||
18560 | VarOrFuncDeclFilterCCC CCC(*this); | ||||
18561 | if (TypoCorrection Corrected = | ||||
18562 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | ||||
18563 | CTK_ErrorRecovery)) { | ||||
18564 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) | ||||
18565 | << Id.getName()); | ||||
18566 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); | ||||
18567 | return nullptr; | ||||
18568 | } | ||||
18569 | |||||
18570 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); | ||||
18571 | return nullptr; | ||||
18572 | } | ||||
18573 | |||||
18574 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); | ||||
18575 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && | ||||
18576 | !isa<FunctionTemplateDecl>(ND)) { | ||||
18577 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); | ||||
18578 | return nullptr; | ||||
18579 | } | ||||
18580 | if (!SameDirectiveDecls.insert(cast<NamedDecl>(ND->getCanonicalDecl()))) | ||||
18581 | Diag(Id.getLoc(), diag::err_omp_declare_target_multiple) << Id.getName(); | ||||
18582 | return ND; | ||||
18583 | } | ||||
18584 | |||||
18585 | void Sema::ActOnOpenMPDeclareTargetName( | ||||
18586 | NamedDecl *ND, SourceLocation Loc, OMPDeclareTargetDeclAttr::MapTypeTy MT, | ||||
18587 | OMPDeclareTargetDeclAttr::DevTypeTy DT) { | ||||
18588 | assert((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) ||(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18590, __PRETTY_FUNCTION__)) | ||||
18589 | isa<FunctionTemplateDecl>(ND)) &&(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18590, __PRETTY_FUNCTION__)) | ||||
18590 | "Expected variable, function or function template.")(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18590, __PRETTY_FUNCTION__)); | ||||
18591 | |||||
18592 | // Diagnose marking after use as it may lead to incorrect diagnosis and | ||||
18593 | // codegen. | ||||
18594 | if (LangOpts.OpenMP >= 50 && | ||||
18595 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) | ||||
18596 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); | ||||
18597 | |||||
18598 | auto *VD = cast<ValueDecl>(ND); | ||||
18599 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
18600 | OMPDeclareTargetDeclAttr::getDeviceType(VD); | ||||
18601 | Optional<SourceLocation> AttrLoc = OMPDeclareTargetDeclAttr::getLocation(VD); | ||||
18602 | if (DevTy.hasValue() && *DevTy != DT && | ||||
18603 | (DeclareTargetNesting.empty() || | ||||
18604 | *AttrLoc != DeclareTargetNesting.back())) { | ||||
18605 | Diag(Loc, diag::err_omp_device_type_mismatch) | ||||
18606 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DT) | ||||
18607 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(*DevTy); | ||||
18608 | return; | ||||
18609 | } | ||||
18610 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
18611 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
18612 | if (!Res || (!DeclareTargetNesting.empty() && | ||||
18613 | *AttrLoc == DeclareTargetNesting.back())) { | ||||
18614 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( | ||||
18615 | Context, MT, DT, DeclareTargetNesting.size() + 1, | ||||
18616 | SourceRange(Loc, Loc)); | ||||
18617 | ND->addAttr(A); | ||||
18618 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||
18619 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); | ||||
18620 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); | ||||
18621 | } else if (*Res != MT) { | ||||
18622 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; | ||||
18623 | } | ||||
18624 | } | ||||
18625 | |||||
18626 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, | ||||
18627 | Sema &SemaRef, Decl *D) { | ||||
18628 | if (!D || !isa<VarDecl>(D)) | ||||
18629 | return; | ||||
18630 | auto *VD = cast<VarDecl>(D); | ||||
18631 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | ||||
18632 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
18633 | if (SemaRef.LangOpts.OpenMP >= 50 && | ||||
18634 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || | ||||
18635 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && | ||||
18636 | VD->hasGlobalStorage()) { | ||||
18637 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | ||||
18638 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
18639 | if (!MapTy || *MapTy != OMPDeclareTargetDeclAttr::MT_To) { | ||||
18640 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions | ||||
18641 | // If a lambda declaration and definition appears between a | ||||
18642 | // declare target directive and the matching end declare target | ||||
18643 | // directive, all variables that are captured by the lambda | ||||
18644 | // expression must also appear in a to clause. | ||||
18645 | SemaRef.Diag(VD->getLocation(), | ||||
18646 | diag::err_omp_lambda_capture_in_declare_target_not_to); | ||||
18647 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) | ||||
18648 | << VD << 0 << SR; | ||||
18649 | return; | ||||
18650 | } | ||||
18651 | } | ||||
18652 | if (MapTy.hasValue()) | ||||
18653 | return; | ||||
18654 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); | ||||
18655 | SemaRef.Diag(SL, diag::note_used_here) << SR; | ||||
18656 | } | ||||
18657 | |||||
18658 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, | ||||
18659 | Sema &SemaRef, DSAStackTy *Stack, | ||||
18660 | ValueDecl *VD) { | ||||
18661 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || | ||||
18662 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), | ||||
18663 | /*FullCheck=*/false); | ||||
18664 | } | ||||
18665 | |||||
18666 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, | ||||
18667 | SourceLocation IdLoc) { | ||||
18668 | if (!D || D->isInvalidDecl()) | ||||
18669 | return; | ||||
18670 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); | ||||
18671 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); | ||||
18672 | if (auto *VD = dyn_cast<VarDecl>(D)) { | ||||
18673 | // Only global variables can be marked as declare target. | ||||
18674 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && | ||||
18675 | !VD->isStaticDataMember()) | ||||
18676 | return; | ||||
18677 | // 2.10.6: threadprivate variable cannot appear in a declare target | ||||
18678 | // directive. | ||||
18679 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
18680 | Diag(SL, diag::err_omp_threadprivate_in_target); | ||||
18681 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); | ||||
18682 | return; | ||||
18683 | } | ||||
18684 | } | ||||
18685 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) | ||||
18686 | D = FTD->getTemplatedDecl(); | ||||
18687 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { | ||||
18688 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
18689 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); | ||||
18690 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { | ||||
18691 | Diag(IdLoc, diag::err_omp_function_in_link_clause); | ||||
18692 | Diag(FD->getLocation(), diag::note_defined_here) << FD; | ||||
18693 | return; | ||||
18694 | } | ||||
18695 | } | ||||
18696 | if (auto *VD = dyn_cast<ValueDecl>(D)) { | ||||
18697 | // Problem if any with var declared with incomplete type will be reported | ||||
18698 | // as normal, so no need to check it here. | ||||
18699 | if ((E || !VD->getType()->isIncompleteType()) && | ||||
18700 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) | ||||
18701 | return; | ||||
18702 | if (!E && !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) { | ||||
18703 | // Checking declaration inside declare target region. | ||||
18704 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || | ||||
18705 | isa<FunctionTemplateDecl>(D)) { | ||||
18706 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( | ||||
18707 | Context, OMPDeclareTargetDeclAttr::MT_To, | ||||
18708 | OMPDeclareTargetDeclAttr::DT_Any, DeclareTargetNesting.size(), | ||||
18709 | SourceRange(DeclareTargetNesting.back(), | ||||
18710 | DeclareTargetNesting.back())); | ||||
18711 | D->addAttr(A); | ||||
18712 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||
18713 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | ||||
18714 | } | ||||
18715 | return; | ||||
18716 | } | ||||
18717 | } | ||||
18718 | if (!E) | ||||
18719 | return; | ||||
18720 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); | ||||
18721 | } | ||||
18722 | |||||
18723 | OMPClause *Sema::ActOnOpenMPToClause( | ||||
18724 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||
18725 | ArrayRef<SourceLocation> MotionModifiersLoc, | ||||
18726 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | ||||
18727 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||
18728 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||
18729 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, | ||||
18730 | OMPC_MOTION_MODIFIER_unknown}; | ||||
18731 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; | ||||
18732 | |||||
18733 | // Process motion-modifiers, flag errors for duplicate modifiers. | ||||
18734 | unsigned Count = 0; | ||||
18735 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { | ||||
18736 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && | ||||
18737 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { | ||||
18738 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); | ||||
18739 | continue; | ||||
18740 | } | ||||
18741 | assert(Count < NumberOfOMPMotionModifiers &&((Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18742, __PRETTY_FUNCTION__)) | ||||
18742 | "Modifiers exceed the allowed number of motion modifiers")((Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18742, __PRETTY_FUNCTION__)); | ||||
18743 | Modifiers[Count] = MotionModifiers[I]; | ||||
18744 | ModifiersLoc[Count] = MotionModifiersLoc[I]; | ||||
18745 | ++Count; | ||||
18746 | } | ||||
18747 | |||||
18748 | MappableVarListInfo MVLI(VarList); | ||||
18749 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, | ||||
18750 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | ||||
18751 | if (MVLI.ProcessedVarList.empty()) | ||||
18752 | return nullptr; | ||||
18753 | |||||
18754 | return OMPToClause::Create( | ||||
18755 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | ||||
18756 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, | ||||
18757 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | ||||
18758 | } | ||||
18759 | |||||
18760 | OMPClause *Sema::ActOnOpenMPFromClause( | ||||
18761 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||
18762 | ArrayRef<SourceLocation> MotionModifiersLoc, | ||||
18763 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | ||||
18764 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||
18765 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||
18766 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, | ||||
18767 | OMPC_MOTION_MODIFIER_unknown}; | ||||
18768 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; | ||||
18769 | |||||
18770 | // Process motion-modifiers, flag errors for duplicate modifiers. | ||||
18771 | unsigned Count = 0; | ||||
18772 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { | ||||
18773 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && | ||||
18774 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { | ||||
18775 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); | ||||
18776 | continue; | ||||
18777 | } | ||||
18778 | assert(Count < NumberOfOMPMotionModifiers &&((Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18779, __PRETTY_FUNCTION__)) | ||||
18779 | "Modifiers exceed the allowed number of motion modifiers")((Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18779, __PRETTY_FUNCTION__)); | ||||
18780 | Modifiers[Count] = MotionModifiers[I]; | ||||
18781 | ModifiersLoc[Count] = MotionModifiersLoc[I]; | ||||
18782 | ++Count; | ||||
18783 | } | ||||
18784 | |||||
18785 | MappableVarListInfo MVLI(VarList); | ||||
18786 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, | ||||
18787 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | ||||
18788 | if (MVLI.ProcessedVarList.empty()) | ||||
18789 | return nullptr; | ||||
18790 | |||||
18791 | return OMPFromClause::Create( | ||||
18792 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | ||||
18793 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, | ||||
18794 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | ||||
18795 | } | ||||
18796 | |||||
18797 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, | ||||
18798 | const OMPVarListLocTy &Locs) { | ||||
18799 | MappableVarListInfo MVLI(VarList); | ||||
18800 | SmallVector<Expr *, 8> PrivateCopies; | ||||
18801 | SmallVector<Expr *, 8> Inits; | ||||
18802 | |||||
18803 | for (Expr *RefExpr : VarList) { | ||||
18804 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")((RefExpr && "NULL expr in OpenMP use_device_ptr clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP use_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18804, __PRETTY_FUNCTION__)); | ||||
18805 | SourceLocation ELoc; | ||||
18806 | SourceRange ERange; | ||||
18807 | Expr *SimpleRefExpr = RefExpr; | ||||
18808 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
18809 | if (Res.second) { | ||||
18810 | // It will be analyzed later. | ||||
18811 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||
18812 | PrivateCopies.push_back(nullptr); | ||||
18813 | Inits.push_back(nullptr); | ||||
18814 | } | ||||
18815 | ValueDecl *D = Res.first; | ||||
18816 | if (!D) | ||||
18817 | continue; | ||||
18818 | |||||
18819 | QualType Type = D->getType(); | ||||
18820 | Type = Type.getNonReferenceType().getUnqualifiedType(); | ||||
18821 | |||||
18822 | auto *VD = dyn_cast<VarDecl>(D); | ||||
18823 | |||||
18824 | // Item should be a pointer or reference to pointer. | ||||
18825 | if (!Type->isPointerType()) { | ||||
18826 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) | ||||
18827 | << 0 << RefExpr->getSourceRange(); | ||||
18828 | continue; | ||||
18829 | } | ||||
18830 | |||||
18831 | // Build the private variable and the expression that refers to it. | ||||
18832 | auto VDPrivate = | ||||
18833 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
18834 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
18835 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
18836 | if (VDPrivate->isInvalidDecl()) | ||||
18837 | continue; | ||||
18838 | |||||
18839 | CurContext->addDecl(VDPrivate); | ||||
18840 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||
18841 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | ||||
18842 | |||||
18843 | // Add temporary variable to initialize the private copy of the pointer. | ||||
18844 | VarDecl *VDInit = | ||||
18845 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); | ||||
18846 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( | ||||
18847 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); | ||||
18848 | AddInitializerToDecl(VDPrivate, | ||||
18849 | DefaultLvalueConversion(VDInitRefExpr).get(), | ||||
18850 | /*DirectInit=*/false); | ||||
18851 | |||||
18852 | // If required, build a capture to implement the privatization initialized | ||||
18853 | // with the current list item value. | ||||
18854 | DeclRefExpr *Ref = nullptr; | ||||
18855 | if (!VD) | ||||
18856 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
18857 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | ||||
18858 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||
18859 | Inits.push_back(VDInitRefExpr); | ||||
18860 | |||||
18861 | // We need to add a data sharing attribute for this variable to make sure it | ||||
18862 | // is correctly captured. A variable that shows up in a use_device_ptr has | ||||
18863 | // similar properties of a first private variable. | ||||
18864 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||
18865 | |||||
18866 | // Create a mappable component for the list item. List items in this clause | ||||
18867 | // only need a component. | ||||
18868 | MVLI.VarBaseDeclarations.push_back(D); | ||||
18869 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
18870 | MVLI.VarComponents.back().push_back( | ||||
18871 | OMPClauseMappableExprCommon::MappableComponent(SimpleRefExpr, D)); | ||||
18872 | } | ||||
18873 | |||||
18874 | if (MVLI.ProcessedVarList.empty()) | ||||
18875 | return nullptr; | ||||
18876 | |||||
18877 | return OMPUseDevicePtrClause::Create( | ||||
18878 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, | ||||
18879 | MVLI.VarBaseDeclarations, MVLI.VarComponents); | ||||
18880 | } | ||||
18881 | |||||
18882 | OMPClause *Sema::ActOnOpenMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, | ||||
18883 | const OMPVarListLocTy &Locs) { | ||||
18884 | MappableVarListInfo MVLI(VarList); | ||||
18885 | |||||
18886 | for (Expr *RefExpr : VarList) { | ||||
18887 | assert(RefExpr && "NULL expr in OpenMP use_device_addr clause.")((RefExpr && "NULL expr in OpenMP use_device_addr clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP use_device_addr clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18887, __PRETTY_FUNCTION__)); | ||||
18888 | SourceLocation ELoc; | ||||
18889 | SourceRange ERange; | ||||
18890 | Expr *SimpleRefExpr = RefExpr; | ||||
18891 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | ||||
18892 | /*AllowArraySection=*/true); | ||||
18893 | if (Res.second) { | ||||
18894 | // It will be analyzed later. | ||||
18895 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||
18896 | } | ||||
18897 | ValueDecl *D = Res.first; | ||||
18898 | if (!D) | ||||
18899 | continue; | ||||
18900 | auto *VD = dyn_cast<VarDecl>(D); | ||||
18901 | |||||
18902 | // If required, build a capture to implement the privatization initialized | ||||
18903 | // with the current list item value. | ||||
18904 | DeclRefExpr *Ref = nullptr; | ||||
18905 | if (!VD) | ||||
18906 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
18907 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | ||||
18908 | |||||
18909 | // We need to add a data sharing attribute for this variable to make sure it | ||||
18910 | // is correctly captured. A variable that shows up in a use_device_addr has | ||||
18911 | // similar properties of a first private variable. | ||||
18912 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||
18913 | |||||
18914 | // Create a mappable component for the list item. List items in this clause | ||||
18915 | // only need a component. | ||||
18916 | MVLI.VarBaseDeclarations.push_back(D); | ||||
18917 | MVLI.VarComponents.emplace_back(); | ||||
18918 | Expr *Component = SimpleRefExpr; | ||||
18919 | if (VD && (isa<OMPArraySectionExpr>(RefExpr->IgnoreParenImpCasts()) || | ||||
18920 | isa<ArraySubscriptExpr>(RefExpr->IgnoreParenImpCasts()))) | ||||
18921 | Component = DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); | ||||
18922 | MVLI.VarComponents.back().push_back( | ||||
18923 | OMPClauseMappableExprCommon::MappableComponent(Component, D)); | ||||
18924 | } | ||||
18925 | |||||
18926 | if (MVLI.ProcessedVarList.empty()) | ||||
18927 | return nullptr; | ||||
18928 | |||||
18929 | return OMPUseDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||
18930 | MVLI.VarBaseDeclarations, | ||||
18931 | MVLI.VarComponents); | ||||
18932 | } | ||||
18933 | |||||
18934 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, | ||||
18935 | const OMPVarListLocTy &Locs) { | ||||
18936 | MappableVarListInfo MVLI(VarList); | ||||
18937 | for (Expr *RefExpr : VarList) { | ||||
18938 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")((RefExpr && "NULL expr in OpenMP is_device_ptr clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP is_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 18938, __PRETTY_FUNCTION__)); | ||||
18939 | SourceLocation ELoc; | ||||
18940 | SourceRange ERange; | ||||
18941 | Expr *SimpleRefExpr = RefExpr; | ||||
18942 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
18943 | if (Res.second) { | ||||
18944 | // It will be analyzed later. | ||||
18945 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||
18946 | } | ||||
18947 | ValueDecl *D = Res.first; | ||||
18948 | if (!D) | ||||
18949 | continue; | ||||
18950 | |||||
18951 | QualType Type = D->getType(); | ||||
18952 | // item should be a pointer or array or reference to pointer or array | ||||
18953 | if (!Type.getNonReferenceType()->isPointerType() && | ||||
18954 | !Type.getNonReferenceType()->isArrayType()) { | ||||
18955 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) | ||||
18956 | << 0 << RefExpr->getSourceRange(); | ||||
18957 | continue; | ||||
18958 | } | ||||
18959 | |||||
18960 | // Check if the declaration in the clause does not show up in any data | ||||
18961 | // sharing attribute. | ||||
18962 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
18963 | if (isOpenMPPrivate(DVar.CKind)) { | ||||
18964 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
18965 | << getOpenMPClauseName(DVar.CKind) | ||||
18966 | << getOpenMPClauseName(OMPC_is_device_ptr) | ||||
18967 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
18968 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
18969 | continue; | ||||
18970 | } | ||||
18971 | |||||
18972 | const Expr *ConflictExpr; | ||||
18973 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||
18974 | D, /*CurrentRegionOnly=*/true, | ||||
18975 | [&ConflictExpr]( | ||||
18976 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, | ||||
18977 | OpenMPClauseKind) -> bool { | ||||
18978 | ConflictExpr = R.front().getAssociatedExpression(); | ||||
18979 | return true; | ||||
18980 | })) { | ||||
18981 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); | ||||
18982 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) | ||||
18983 | << ConflictExpr->getSourceRange(); | ||||
18984 | continue; | ||||
18985 | } | ||||
18986 | |||||
18987 | // Store the components in the stack so that they can be used to check | ||||
18988 | // against other clauses later on. | ||||
18989 | OMPClauseMappableExprCommon::MappableComponent MC(SimpleRefExpr, D); | ||||
18990 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( | ||||
18991 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); | ||||
18992 | |||||
18993 | // Record the expression we've just processed. | ||||
18994 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); | ||||
18995 | |||||
18996 | // Create a mappable component for the list item. List items in this clause | ||||
18997 | // only need a component. We use a null declaration to signal fields in | ||||
18998 | // 'this'. | ||||
18999 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19001, __PRETTY_FUNCTION__)) | ||||
19000 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19001, __PRETTY_FUNCTION__)) | ||||
19001 | "Unexpected device pointer expression!")(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19001, __PRETTY_FUNCTION__)); | ||||
19002 | MVLI.VarBaseDeclarations.push_back( | ||||
19003 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); | ||||
19004 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
19005 | MVLI.VarComponents.back().push_back(MC); | ||||
19006 | } | ||||
19007 | |||||
19008 | if (MVLI.ProcessedVarList.empty()) | ||||
19009 | return nullptr; | ||||
19010 | |||||
19011 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||
19012 | MVLI.VarBaseDeclarations, | ||||
19013 | MVLI.VarComponents); | ||||
19014 | } | ||||
19015 | |||||
19016 | OMPClause *Sema::ActOnOpenMPAllocateClause( | ||||
19017 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||
19018 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
19019 | if (Allocator) { | ||||
19020 | // OpenMP [2.11.4 allocate Clause, Description] | ||||
19021 | // allocator is an expression of omp_allocator_handle_t type. | ||||
19022 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
19023 | return nullptr; | ||||
19024 | |||||
19025 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); | ||||
19026 | if (AllocatorRes.isInvalid()) | ||||
19027 | return nullptr; | ||||
19028 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), | ||||
19029 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||
19030 | Sema::AA_Initializing, | ||||
19031 | /*AllowExplicit=*/true); | ||||
19032 | if (AllocatorRes.isInvalid()) | ||||
19033 | return nullptr; | ||||
19034 | Allocator = AllocatorRes.get(); | ||||
19035 | } else { | ||||
19036 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. | ||||
19037 | // allocate clauses that appear on a target construct or on constructs in a | ||||
19038 | // target region must specify an allocator expression unless a requires | ||||
19039 | // directive with the dynamic_allocators clause is present in the same | ||||
19040 | // compilation unit. | ||||
19041 | if (LangOpts.OpenMPIsDevice && | ||||
19042 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | ||||
19043 | targetDiag(StartLoc, diag::err_expected_allocator_expression); | ||||
19044 | } | ||||
19045 | // Analyze and build list of variables. | ||||
19046 | SmallVector<Expr *, 8> Vars; | ||||
19047 | for (Expr *RefExpr : VarList) { | ||||
19048 | assert(RefExpr && "NULL expr in OpenMP private clause.")((RefExpr && "NULL expr in OpenMP private clause.") ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19048, __PRETTY_FUNCTION__)); | ||||
19049 | SourceLocation ELoc; | ||||
19050 | SourceRange ERange; | ||||
19051 | Expr *SimpleRefExpr = RefExpr; | ||||
19052 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
19053 | if (Res.second) { | ||||
19054 | // It will be analyzed later. | ||||
19055 | Vars.push_back(RefExpr); | ||||
19056 | } | ||||
19057 | ValueDecl *D = Res.first; | ||||
19058 | if (!D) | ||||
19059 | continue; | ||||
19060 | |||||
19061 | auto *VD = dyn_cast<VarDecl>(D); | ||||
19062 | DeclRefExpr *Ref = nullptr; | ||||
19063 | if (!VD && !CurContext->isDependentContext()) | ||||
19064 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
19065 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
19066 | ? RefExpr->IgnoreParens() | ||||
19067 | : Ref); | ||||
19068 | } | ||||
19069 | |||||
19070 | if (Vars.empty()) | ||||
19071 | return nullptr; | ||||
19072 | |||||
19073 | if (Allocator) | ||||
19074 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addInnerAllocatorExpr(Allocator); | ||||
19075 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, | ||||
19076 | ColonLoc, EndLoc, Vars); | ||||
19077 | } | ||||
19078 | |||||
19079 | OMPClause *Sema::ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, | ||||
19080 | SourceLocation StartLoc, | ||||
19081 | SourceLocation LParenLoc, | ||||
19082 | SourceLocation EndLoc) { | ||||
19083 | SmallVector<Expr *, 8> Vars; | ||||
19084 | for (Expr *RefExpr : VarList) { | ||||
19085 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19085, __PRETTY_FUNCTION__)); | ||||
19086 | SourceLocation ELoc; | ||||
19087 | SourceRange ERange; | ||||
19088 | Expr *SimpleRefExpr = RefExpr; | ||||
19089 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
19090 | if (Res.second) | ||||
19091 | // It will be analyzed later. | ||||
19092 | Vars.push_back(RefExpr); | ||||
19093 | ValueDecl *D = Res.first; | ||||
19094 | if (!D) | ||||
19095 | continue; | ||||
19096 | |||||
19097 | // OpenMP 5.0, 2.9.3.1 simd Construct, Restrictions. | ||||
19098 | // A list-item cannot appear in more than one nontemporal clause. | ||||
19099 | if (const Expr *PrevRef = | ||||
19100 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueNontemporal(D, SimpleRefExpr)) { | ||||
19101 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | ||||
19102 | << 0 << getOpenMPClauseName(OMPC_nontemporal) << ERange; | ||||
19103 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
19104 | << getOpenMPClauseName(OMPC_nontemporal); | ||||
19105 | continue; | ||||
19106 | } | ||||
19107 | |||||
19108 | Vars.push_back(RefExpr); | ||||
19109 | } | ||||
19110 | |||||
19111 | if (Vars.empty()) | ||||
19112 | return nullptr; | ||||
19113 | |||||
19114 | return OMPNontemporalClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
19115 | Vars); | ||||
19116 | } | ||||
19117 | |||||
19118 | OMPClause *Sema::ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList, | ||||
19119 | SourceLocation StartLoc, | ||||
19120 | SourceLocation LParenLoc, | ||||
19121 | SourceLocation EndLoc) { | ||||
19122 | SmallVector<Expr *, 8> Vars; | ||||
19123 | for (Expr *RefExpr : VarList) { | ||||
19124 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19124, __PRETTY_FUNCTION__)); | ||||
19125 | SourceLocation ELoc; | ||||
19126 | SourceRange ERange; | ||||
19127 | Expr *SimpleRefExpr = RefExpr; | ||||
19128 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | ||||
19129 | /*AllowArraySection=*/true); | ||||
19130 | if (Res.second) | ||||
19131 | // It will be analyzed later. | ||||
19132 | Vars.push_back(RefExpr); | ||||
19133 | ValueDecl *D = Res.first; | ||||
19134 | if (!D) | ||||
19135 | continue; | ||||
19136 | |||||
19137 | const DSAStackTy::DSAVarData DVar = | ||||
19138 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); | ||||
19139 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. | ||||
19140 | // A list item that appears in the inclusive or exclusive clause must appear | ||||
19141 | // in a reduction clause with the inscan modifier on the enclosing | ||||
19142 | // worksharing-loop, worksharing-loop SIMD, or simd construct. | ||||
19143 | if (DVar.CKind != OMPC_reduction || | ||||
19144 | DVar.Modifier != OMPC_REDUCTION_inscan) | ||||
19145 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) | ||||
19146 | << RefExpr->getSourceRange(); | ||||
19147 | |||||
19148 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown) | ||||
19149 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); | ||||
19150 | Vars.push_back(RefExpr); | ||||
19151 | } | ||||
19152 | |||||
19153 | if (Vars.empty()) | ||||
19154 | return nullptr; | ||||
19155 | |||||
19156 | return OMPInclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | ||||
19157 | } | ||||
19158 | |||||
19159 | OMPClause *Sema::ActOnOpenMPExclusiveClause(ArrayRef<Expr *> VarList, | ||||
19160 | SourceLocation StartLoc, | ||||
19161 | SourceLocation LParenLoc, | ||||
19162 | SourceLocation EndLoc) { | ||||
19163 | SmallVector<Expr *, 8> Vars; | ||||
19164 | for (Expr *RefExpr : VarList) { | ||||
19165 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19165, __PRETTY_FUNCTION__)); | ||||
19166 | SourceLocation ELoc; | ||||
19167 | SourceRange ERange; | ||||
19168 | Expr *SimpleRefExpr = RefExpr; | ||||
19169 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | ||||
19170 | /*AllowArraySection=*/true); | ||||
19171 | if (Res.second) | ||||
19172 | // It will be analyzed later. | ||||
19173 | Vars.push_back(RefExpr); | ||||
19174 | ValueDecl *D = Res.first; | ||||
19175 | if (!D) | ||||
19176 | continue; | ||||
19177 | |||||
19178 | OpenMPDirectiveKind ParentDirective = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective(); | ||||
19179 | DSAStackTy::DSAVarData DVar; | ||||
19180 | if (ParentDirective != OMPD_unknown) | ||||
19181 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); | ||||
19182 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. | ||||
19183 | // A list item that appears in the inclusive or exclusive clause must appear | ||||
19184 | // in a reduction clause with the inscan modifier on the enclosing | ||||
19185 | // worksharing-loop, worksharing-loop SIMD, or simd construct. | ||||
19186 | if (ParentDirective == OMPD_unknown || DVar.CKind != OMPC_reduction || | ||||
19187 | DVar.Modifier != OMPC_REDUCTION_inscan) { | ||||
19188 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) | ||||
19189 | << RefExpr->getSourceRange(); | ||||
19190 | } else { | ||||
19191 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); | ||||
19192 | } | ||||
19193 | Vars.push_back(RefExpr); | ||||
19194 | } | ||||
19195 | |||||
19196 | if (Vars.empty()) | ||||
19197 | return nullptr; | ||||
19198 | |||||
19199 | return OMPExclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | ||||
19200 | } | ||||
19201 | |||||
19202 | /// Tries to find omp_alloctrait_t type. | ||||
19203 | static bool findOMPAlloctraitT(Sema &S, SourceLocation Loc, DSAStackTy *Stack) { | ||||
19204 | QualType OMPAlloctraitT = Stack->getOMPAlloctraitT(); | ||||
19205 | if (!OMPAlloctraitT.isNull()) | ||||
19206 | return true; | ||||
19207 | IdentifierInfo &II = S.PP.getIdentifierTable().get("omp_alloctrait_t"); | ||||
19208 | ParsedType PT = S.getTypeName(II, Loc, S.getCurScope()); | ||||
19209 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | ||||
19210 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_alloctrait_t"; | ||||
19211 | return false; | ||||
19212 | } | ||||
19213 | Stack->setOMPAlloctraitT(PT.get()); | ||||
19214 | return true; | ||||
19215 | } | ||||
19216 | |||||
19217 | OMPClause *Sema::ActOnOpenMPUsesAllocatorClause( | ||||
19218 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc, | ||||
19219 | ArrayRef<UsesAllocatorsData> Data) { | ||||
19220 | // OpenMP [2.12.5, target Construct] | ||||
19221 | // allocator is an identifier of omp_allocator_handle_t type. | ||||
19222 | if (!findOMPAllocatorHandleT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
19223 | return nullptr; | ||||
19224 | // OpenMP [2.12.5, target Construct] | ||||
19225 | // allocator-traits-array is an identifier of const omp_alloctrait_t * type. | ||||
19226 | if (llvm::any_of( | ||||
19227 | Data, | ||||
19228 | [](const UsesAllocatorsData &D) { return D.AllocatorTraits; }) && | ||||
19229 | !findOMPAlloctraitT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
19230 | return nullptr; | ||||
19231 | llvm::SmallPtrSet<CanonicalDeclPtr<Decl>, 4> PredefinedAllocators; | ||||
19232 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||
19233 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||
19234 | StringRef Allocator = | ||||
19235 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | ||||
19236 | DeclarationName AllocatorName = &Context.Idents.get(Allocator); | ||||
19237 | PredefinedAllocators.insert(LookupSingleName( | ||||
19238 | TUScope, AllocatorName, StartLoc, Sema::LookupAnyName)); | ||||
19239 | } | ||||
19240 | |||||
19241 | SmallVector<OMPUsesAllocatorsClause::Data, 4> NewData; | ||||
19242 | for (const UsesAllocatorsData &D : Data) { | ||||
19243 | Expr *AllocatorExpr = nullptr; | ||||
19244 | // Check allocator expression. | ||||
19245 | if (D.Allocator->isTypeDependent()) { | ||||
19246 | AllocatorExpr = D.Allocator; | ||||
19247 | } else { | ||||
19248 | // Traits were specified - need to assign new allocator to the specified | ||||
19249 | // allocator, so it must be an lvalue. | ||||
19250 | AllocatorExpr = D.Allocator->IgnoreParenImpCasts(); | ||||
19251 | auto *DRE = dyn_cast<DeclRefExpr>(AllocatorExpr); | ||||
19252 | bool IsPredefinedAllocator = false; | ||||
19253 | if (DRE) | ||||
19254 | IsPredefinedAllocator = PredefinedAllocators.count(DRE->getDecl()); | ||||
19255 | if (!DRE || | ||||
19256 | !(Context.hasSameUnqualifiedType( | ||||
19257 | AllocatorExpr->getType(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT()) || | ||||
19258 | Context.typesAreCompatible(AllocatorExpr->getType(), | ||||
19259 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||
19260 | /*CompareUnqualified=*/true)) || | ||||
19261 | (!IsPredefinedAllocator && | ||||
19262 | (AllocatorExpr->getType().isConstant(Context) || | ||||
19263 | !AllocatorExpr->isLValue()))) { | ||||
19264 | Diag(D.Allocator->getExprLoc(), diag::err_omp_var_expected) | ||||
19265 | << "omp_allocator_handle_t" << (DRE ? 1 : 0) | ||||
19266 | << AllocatorExpr->getType() << D.Allocator->getSourceRange(); | ||||
19267 | continue; | ||||
19268 | } | ||||
19269 | // OpenMP [2.12.5, target Construct] | ||||
19270 | // Predefined allocators appearing in a uses_allocators clause cannot have | ||||
19271 | // traits specified. | ||||
19272 | if (IsPredefinedAllocator && D.AllocatorTraits) { | ||||
19273 | Diag(D.AllocatorTraits->getExprLoc(), | ||||
19274 | diag::err_omp_predefined_allocator_with_traits) | ||||
19275 | << D.AllocatorTraits->getSourceRange(); | ||||
19276 | Diag(D.Allocator->getExprLoc(), diag::note_omp_predefined_allocator) | ||||
19277 | << cast<NamedDecl>(DRE->getDecl())->getName() | ||||
19278 | << D.Allocator->getSourceRange(); | ||||
19279 | continue; | ||||
19280 | } | ||||
19281 | // OpenMP [2.12.5, target Construct] | ||||
19282 | // Non-predefined allocators appearing in a uses_allocators clause must | ||||
19283 | // have traits specified. | ||||
19284 | if (!IsPredefinedAllocator && !D.AllocatorTraits) { | ||||
19285 | Diag(D.Allocator->getExprLoc(), | ||||
19286 | diag::err_omp_nonpredefined_allocator_without_traits); | ||||
19287 | continue; | ||||
19288 | } | ||||
19289 | // No allocator traits - just convert it to rvalue. | ||||
19290 | if (!D.AllocatorTraits) | ||||
19291 | AllocatorExpr = DefaultLvalueConversion(AllocatorExpr).get(); | ||||
19292 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( | ||||
19293 | DRE->getDecl(), | ||||
19294 | IsPredefinedAllocator | ||||
19295 | ? DSAStackTy::UsesAllocatorsDeclKind::PredefinedAllocator | ||||
19296 | : DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator); | ||||
19297 | } | ||||
19298 | Expr *AllocatorTraitsExpr = nullptr; | ||||
19299 | if (D.AllocatorTraits) { | ||||
19300 | if (D.AllocatorTraits->isTypeDependent()) { | ||||
19301 | AllocatorTraitsExpr = D.AllocatorTraits; | ||||
19302 | } else { | ||||
19303 | // OpenMP [2.12.5, target Construct] | ||||
19304 | // Arrays that contain allocator traits that appear in a uses_allocators | ||||
19305 | // clause must be constant arrays, have constant values and be defined | ||||
19306 | // in the same scope as the construct in which the clause appears. | ||||
19307 | AllocatorTraitsExpr = D.AllocatorTraits->IgnoreParenImpCasts(); | ||||
19308 | // Check that traits expr is a constant array. | ||||
19309 | QualType TraitTy; | ||||
19310 | if (const ArrayType *Ty = | ||||
19311 | AllocatorTraitsExpr->getType()->getAsArrayTypeUnsafe()) | ||||
19312 | if (const auto *ConstArrayTy = dyn_cast<ConstantArrayType>(Ty)) | ||||
19313 | TraitTy = ConstArrayTy->getElementType(); | ||||
19314 | if (TraitTy.isNull() || | ||||
19315 | !(Context.hasSameUnqualifiedType(TraitTy, | ||||
19316 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT()) || | ||||
19317 | Context.typesAreCompatible(TraitTy, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT(), | ||||
19318 | /*CompareUnqualified=*/true))) { | ||||
19319 | Diag(D.AllocatorTraits->getExprLoc(), | ||||
19320 | diag::err_omp_expected_array_alloctraits) | ||||
19321 | << AllocatorTraitsExpr->getType(); | ||||
19322 | continue; | ||||
19323 | } | ||||
19324 | // Do not map by default allocator traits if it is a standalone | ||||
19325 | // variable. | ||||
19326 | if (auto *DRE = dyn_cast<DeclRefExpr>(AllocatorTraitsExpr)) | ||||
19327 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( | ||||
19328 | DRE->getDecl(), | ||||
19329 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait); | ||||
19330 | } | ||||
19331 | } | ||||
19332 | OMPUsesAllocatorsClause::Data &NewD = NewData.emplace_back(); | ||||
19333 | NewD.Allocator = AllocatorExpr; | ||||
19334 | NewD.AllocatorTraits = AllocatorTraitsExpr; | ||||
19335 | NewD.LParenLoc = D.LParenLoc; | ||||
19336 | NewD.RParenLoc = D.RParenLoc; | ||||
19337 | } | ||||
19338 | return OMPUsesAllocatorsClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
19339 | NewData); | ||||
19340 | } | ||||
19341 | |||||
19342 | OMPClause *Sema::ActOnOpenMPAffinityClause( | ||||
19343 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, | ||||
19344 | SourceLocation EndLoc, Expr *Modifier, ArrayRef<Expr *> Locators) { | ||||
19345 | SmallVector<Expr *, 8> Vars; | ||||
19346 | for (Expr *RefExpr : Locators) { | ||||
19347 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((RefExpr && "NULL expr in OpenMP shared clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP shared clause.\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/lib/Sema/SemaOpenMP.cpp" , 19347, __PRETTY_FUNCTION__)); | ||||
19348 | if (isa<DependentScopeDeclRefExpr>(RefExpr) || RefExpr->isTypeDependent()) { | ||||
19349 | // It will be analyzed later. | ||||
19350 | Vars.push_back(RefExpr); | ||||
19351 | continue; | ||||
19352 | } | ||||
19353 | |||||
19354 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||
19355 | Expr *SimpleExpr = RefExpr->IgnoreParenImpCasts(); | ||||
19356 | |||||
19357 | if (!SimpleExpr->isLValue()) { | ||||
19358 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
19359 | << 1 << 0 << RefExpr->getSourceRange(); | ||||
19360 | continue; | ||||
19361 | } | ||||
19362 | |||||
19363 | ExprResult Res; | ||||
19364 | { | ||||
19365 | Sema::TentativeAnalysisScope Trap(*this); | ||||
19366 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, SimpleExpr); | ||||
19367 | } | ||||
19368 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && | ||||
19369 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { | ||||
19370 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
19371 | << 1 << 0 << RefExpr->getSourceRange(); | ||||
19372 | continue; | ||||
19373 | } | ||||
19374 | Vars.push_back(SimpleExpr); | ||||
19375 | } | ||||
19376 | |||||
19377 | return OMPAffinityClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | ||||
19378 | EndLoc, Modifier, Vars); | ||||
19379 | } |
1 | //===- DeclBase.h - Base Classes for representing declarations --*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file defines the Decl and DeclContext interfaces. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_CLANG_AST_DECLBASE_H |
14 | #define LLVM_CLANG_AST_DECLBASE_H |
15 | |
16 | #include "clang/AST/ASTDumperUtils.h" |
17 | #include "clang/AST/AttrIterator.h" |
18 | #include "clang/AST/DeclarationName.h" |
19 | #include "clang/Basic/IdentifierTable.h" |
20 | #include "clang/Basic/LLVM.h" |
21 | #include "clang/Basic/SourceLocation.h" |
22 | #include "clang/Basic/Specifiers.h" |
23 | #include "llvm/ADT/ArrayRef.h" |
24 | #include "llvm/ADT/PointerIntPair.h" |
25 | #include "llvm/ADT/PointerUnion.h" |
26 | #include "llvm/ADT/iterator.h" |
27 | #include "llvm/ADT/iterator_range.h" |
28 | #include "llvm/Support/Casting.h" |
29 | #include "llvm/Support/Compiler.h" |
30 | #include "llvm/Support/PrettyStackTrace.h" |
31 | #include "llvm/Support/VersionTuple.h" |
32 | #include <algorithm> |
33 | #include <cassert> |
34 | #include <cstddef> |
35 | #include <iterator> |
36 | #include <string> |
37 | #include <type_traits> |
38 | #include <utility> |
39 | |
40 | namespace clang { |
41 | |
42 | class ASTContext; |
43 | class ASTMutationListener; |
44 | class Attr; |
45 | class BlockDecl; |
46 | class DeclContext; |
47 | class ExternalSourceSymbolAttr; |
48 | class FunctionDecl; |
49 | class FunctionType; |
50 | class IdentifierInfo; |
51 | enum Linkage : unsigned char; |
52 | class LinkageSpecDecl; |
53 | class Module; |
54 | class NamedDecl; |
55 | class ObjCCategoryDecl; |
56 | class ObjCCategoryImplDecl; |
57 | class ObjCContainerDecl; |
58 | class ObjCImplDecl; |
59 | class ObjCImplementationDecl; |
60 | class ObjCInterfaceDecl; |
61 | class ObjCMethodDecl; |
62 | class ObjCProtocolDecl; |
63 | struct PrintingPolicy; |
64 | class RecordDecl; |
65 | class SourceManager; |
66 | class Stmt; |
67 | class StoredDeclsMap; |
68 | class TemplateDecl; |
69 | class TemplateParameterList; |
70 | class TranslationUnitDecl; |
71 | class UsingDirectiveDecl; |
72 | |
73 | /// Captures the result of checking the availability of a |
74 | /// declaration. |
75 | enum AvailabilityResult { |
76 | AR_Available = 0, |
77 | AR_NotYetIntroduced, |
78 | AR_Deprecated, |
79 | AR_Unavailable |
80 | }; |
81 | |
82 | /// Decl - This represents one declaration (or definition), e.g. a variable, |
83 | /// typedef, function, struct, etc. |
84 | /// |
85 | /// Note: There are objects tacked on before the *beginning* of Decl |
86 | /// (and its subclasses) in its Decl::operator new(). Proper alignment |
87 | /// of all subclasses (not requiring more than the alignment of Decl) is |
88 | /// asserted in DeclBase.cpp. |
89 | class alignas(8) Decl { |
90 | public: |
91 | /// Lists the kind of concrete classes of Decl. |
92 | enum Kind { |
93 | #define DECL(DERIVED, BASE) DERIVED, |
94 | #define ABSTRACT_DECL(DECL) |
95 | #define DECL_RANGE(BASE, START, END) \ |
96 | first##BASE = START, last##BASE = END, |
97 | #define LAST_DECL_RANGE(BASE, START, END) \ |
98 | first##BASE = START, last##BASE = END |
99 | #include "clang/AST/DeclNodes.inc" |
100 | }; |
101 | |
102 | /// A placeholder type used to construct an empty shell of a |
103 | /// decl-derived type that will be filled in later (e.g., by some |
104 | /// deserialization method). |
105 | struct EmptyShell {}; |
106 | |
107 | /// IdentifierNamespace - The different namespaces in which |
108 | /// declarations may appear. According to C99 6.2.3, there are |
109 | /// four namespaces, labels, tags, members and ordinary |
110 | /// identifiers. C++ describes lookup completely differently: |
111 | /// certain lookups merely "ignore" certain kinds of declarations, |
112 | /// usually based on whether the declaration is of a type, etc. |
113 | /// |
114 | /// These are meant as bitmasks, so that searches in |
115 | /// C++ can look into the "tag" namespace during ordinary lookup. |
116 | /// |
117 | /// Decl currently provides 15 bits of IDNS bits. |
118 | enum IdentifierNamespace { |
119 | /// Labels, declared with 'x:' and referenced with 'goto x'. |
120 | IDNS_Label = 0x0001, |
121 | |
122 | /// Tags, declared with 'struct foo;' and referenced with |
123 | /// 'struct foo'. All tags are also types. This is what |
124 | /// elaborated-type-specifiers look for in C. |
125 | /// This also contains names that conflict with tags in the |
126 | /// same scope but that are otherwise ordinary names (non-type |
127 | /// template parameters and indirect field declarations). |
128 | IDNS_Tag = 0x0002, |
129 | |
130 | /// Types, declared with 'struct foo', typedefs, etc. |
131 | /// This is what elaborated-type-specifiers look for in C++, |
132 | /// but note that it's ill-formed to find a non-tag. |
133 | IDNS_Type = 0x0004, |
134 | |
135 | /// Members, declared with object declarations within tag |
136 | /// definitions. In C, these can only be found by "qualified" |
137 | /// lookup in member expressions. In C++, they're found by |
138 | /// normal lookup. |
139 | IDNS_Member = 0x0008, |
140 | |
141 | /// Namespaces, declared with 'namespace foo {}'. |
142 | /// Lookup for nested-name-specifiers find these. |
143 | IDNS_Namespace = 0x0010, |
144 | |
145 | /// Ordinary names. In C, everything that's not a label, tag, |
146 | /// member, or function-local extern ends up here. |
147 | IDNS_Ordinary = 0x0020, |
148 | |
149 | /// Objective C \@protocol. |
150 | IDNS_ObjCProtocol = 0x0040, |
151 | |
152 | /// This declaration is a friend function. A friend function |
153 | /// declaration is always in this namespace but may also be in |
154 | /// IDNS_Ordinary if it was previously declared. |
155 | IDNS_OrdinaryFriend = 0x0080, |
156 | |
157 | /// This declaration is a friend class. A friend class |
158 | /// declaration is always in this namespace but may also be in |
159 | /// IDNS_Tag|IDNS_Type if it was previously declared. |
160 | IDNS_TagFriend = 0x0100, |
161 | |
162 | /// This declaration is a using declaration. A using declaration |
163 | /// *introduces* a number of other declarations into the current |
164 | /// scope, and those declarations use the IDNS of their targets, |
165 | /// but the actual using declarations go in this namespace. |
166 | IDNS_Using = 0x0200, |
167 | |
168 | /// This declaration is a C++ operator declared in a non-class |
169 | /// context. All such operators are also in IDNS_Ordinary. |
170 | /// C++ lexical operator lookup looks for these. |
171 | IDNS_NonMemberOperator = 0x0400, |
172 | |
173 | /// This declaration is a function-local extern declaration of a |
174 | /// variable or function. This may also be IDNS_Ordinary if it |
175 | /// has been declared outside any function. These act mostly like |
176 | /// invisible friend declarations, but are also visible to unqualified |
177 | /// lookup within the scope of the declaring function. |
178 | IDNS_LocalExtern = 0x0800, |
179 | |
180 | /// This declaration is an OpenMP user defined reduction construction. |
181 | IDNS_OMPReduction = 0x1000, |
182 | |
183 | /// This declaration is an OpenMP user defined mapper. |
184 | IDNS_OMPMapper = 0x2000, |
185 | }; |
186 | |
187 | /// ObjCDeclQualifier - 'Qualifiers' written next to the return and |
188 | /// parameter types in method declarations. Other than remembering |
189 | /// them and mangling them into the method's signature string, these |
190 | /// are ignored by the compiler; they are consumed by certain |
191 | /// remote-messaging frameworks. |
192 | /// |
193 | /// in, inout, and out are mutually exclusive and apply only to |
194 | /// method parameters. bycopy and byref are mutually exclusive and |
195 | /// apply only to method parameters (?). oneway applies only to |
196 | /// results. All of these expect their corresponding parameter to |
197 | /// have a particular type. None of this is currently enforced by |
198 | /// clang. |
199 | /// |
200 | /// This should be kept in sync with ObjCDeclSpec::ObjCDeclQualifier. |
201 | enum ObjCDeclQualifier { |
202 | OBJC_TQ_None = 0x0, |
203 | OBJC_TQ_In = 0x1, |
204 | OBJC_TQ_Inout = 0x2, |
205 | OBJC_TQ_Out = 0x4, |
206 | OBJC_TQ_Bycopy = 0x8, |
207 | OBJC_TQ_Byref = 0x10, |
208 | OBJC_TQ_Oneway = 0x20, |
209 | |
210 | /// The nullability qualifier is set when the nullability of the |
211 | /// result or parameter was expressed via a context-sensitive |
212 | /// keyword. |
213 | OBJC_TQ_CSNullability = 0x40 |
214 | }; |
215 | |
216 | /// The kind of ownership a declaration has, for visibility purposes. |
217 | /// This enumeration is designed such that higher values represent higher |
218 | /// levels of name hiding. |
219 | enum class ModuleOwnershipKind : unsigned { |
220 | /// This declaration is not owned by a module. |
221 | Unowned, |
222 | |
223 | /// This declaration has an owning module, but is globally visible |
224 | /// (typically because its owning module is visible and we know that |
225 | /// modules cannot later become hidden in this compilation). |
226 | /// After serialization and deserialization, this will be converted |
227 | /// to VisibleWhenImported. |
228 | Visible, |
229 | |
230 | /// This declaration has an owning module, and is visible when that |
231 | /// module is imported. |
232 | VisibleWhenImported, |
233 | |
234 | /// This declaration has an owning module, but is only visible to |
235 | /// lookups that occur within that module. |
236 | ModulePrivate |
237 | }; |
238 | |
239 | protected: |
240 | /// The next declaration within the same lexical |
241 | /// DeclContext. These pointers form the linked list that is |
242 | /// traversed via DeclContext's decls_begin()/decls_end(). |
243 | /// |
244 | /// The extra two bits are used for the ModuleOwnershipKind. |
245 | llvm::PointerIntPair<Decl *, 2, ModuleOwnershipKind> NextInContextAndBits; |
246 | |
247 | private: |
248 | friend class DeclContext; |
249 | |
250 | struct MultipleDC { |
251 | DeclContext *SemanticDC; |
252 | DeclContext *LexicalDC; |
253 | }; |
254 | |
255 | /// DeclCtx - Holds either a DeclContext* or a MultipleDC*. |
256 | /// For declarations that don't contain C++ scope specifiers, it contains |
257 | /// the DeclContext where the Decl was declared. |
258 | /// For declarations with C++ scope specifiers, it contains a MultipleDC* |
259 | /// with the context where it semantically belongs (SemanticDC) and the |
260 | /// context where it was lexically declared (LexicalDC). |
261 | /// e.g.: |
262 | /// |
263 | /// namespace A { |
264 | /// void f(); // SemanticDC == LexicalDC == 'namespace A' |
265 | /// } |
266 | /// void A::f(); // SemanticDC == namespace 'A' |
267 | /// // LexicalDC == global namespace |
268 | llvm::PointerUnion<DeclContext*, MultipleDC*> DeclCtx; |
269 | |
270 | bool isInSemaDC() const { return DeclCtx.is<DeclContext*>(); } |
271 | bool isOutOfSemaDC() const { return DeclCtx.is<MultipleDC*>(); } |
272 | |
273 | MultipleDC *getMultipleDC() const { |
274 | return DeclCtx.get<MultipleDC*>(); |
275 | } |
276 | |
277 | DeclContext *getSemanticDC() const { |
278 | return DeclCtx.get<DeclContext*>(); |
279 | } |
280 | |
281 | /// Loc - The location of this decl. |
282 | SourceLocation Loc; |
283 | |
284 | /// DeclKind - This indicates which class this is. |
285 | unsigned DeclKind : 7; |
286 | |
287 | /// InvalidDecl - This indicates a semantic error occurred. |
288 | unsigned InvalidDecl : 1; |
289 | |
290 | /// HasAttrs - This indicates whether the decl has attributes or not. |
291 | unsigned HasAttrs : 1; |
292 | |
293 | /// Implicit - Whether this declaration was implicitly generated by |
294 | /// the implementation rather than explicitly written by the user. |
295 | unsigned Implicit : 1; |
296 | |
297 | /// Whether this declaration was "used", meaning that a definition is |
298 | /// required. |
299 | unsigned Used : 1; |
300 | |
301 | /// Whether this declaration was "referenced". |
302 | /// The difference with 'Used' is whether the reference appears in a |
303 | /// evaluated context or not, e.g. functions used in uninstantiated templates |
304 | /// are regarded as "referenced" but not "used". |
305 | unsigned Referenced : 1; |
306 | |
307 | /// Whether this declaration is a top-level declaration (function, |
308 | /// global variable, etc.) that is lexically inside an objc container |
309 | /// definition. |
310 | unsigned TopLevelDeclInObjCContainer : 1; |
311 | |
312 | /// Whether statistic collection is enabled. |
313 | static bool StatisticsEnabled; |
314 | |
315 | protected: |
316 | friend class ASTDeclReader; |
317 | friend class ASTDeclWriter; |
318 | friend class ASTNodeImporter; |
319 | friend class ASTReader; |
320 | friend class CXXClassMemberWrapper; |
321 | friend class LinkageComputer; |
322 | template<typename decl_type> friend class Redeclarable; |
323 | |
324 | /// Access - Used by C++ decls for the access specifier. |
325 | // NOTE: VC++ treats enums as signed, avoid using the AccessSpecifier enum |
326 | unsigned Access : 2; |
327 | |
328 | /// Whether this declaration was loaded from an AST file. |
329 | unsigned FromASTFile : 1; |
330 | |
331 | /// IdentifierNamespace - This specifies what IDNS_* namespace this lives in. |
332 | unsigned IdentifierNamespace : 14; |
333 | |
334 | /// If 0, we have not computed the linkage of this declaration. |
335 | /// Otherwise, it is the linkage + 1. |
336 | mutable unsigned CacheValidAndLinkage : 3; |
337 | |
338 | /// Allocate memory for a deserialized declaration. |
339 | /// |
340 | /// This routine must be used to allocate memory for any declaration that is |
341 | /// deserialized from a module file. |
342 | /// |
343 | /// \param Size The size of the allocated object. |
344 | /// \param Ctx The context in which we will allocate memory. |
345 | /// \param ID The global ID of the deserialized declaration. |
346 | /// \param Extra The amount of extra space to allocate after the object. |
347 | void *operator new(std::size_t Size, const ASTContext &Ctx, unsigned ID, |
348 | std::size_t Extra = 0); |
349 | |
350 | /// Allocate memory for a non-deserialized declaration. |
351 | void *operator new(std::size_t Size, const ASTContext &Ctx, |
352 | DeclContext *Parent, std::size_t Extra = 0); |
353 | |
354 | private: |
355 | bool AccessDeclContextSanity() const; |
356 | |
357 | /// Get the module ownership kind to use for a local lexical child of \p DC, |
358 | /// which may be either a local or (rarely) an imported declaration. |
359 | static ModuleOwnershipKind getModuleOwnershipKindForChildOf(DeclContext *DC) { |
360 | if (DC) { |
361 | auto *D = cast<Decl>(DC); |
362 | auto MOK = D->getModuleOwnershipKind(); |
363 | if (MOK != ModuleOwnershipKind::Unowned && |
364 | (!D->isFromASTFile() || D->hasLocalOwningModuleStorage())) |
365 | return MOK; |
366 | // If D is not local and we have no local module storage, then we don't |
367 | // need to track module ownership at all. |
368 | } |
369 | return ModuleOwnershipKind::Unowned; |
370 | } |
371 | |
372 | public: |
373 | Decl() = delete; |
374 | Decl(const Decl&) = delete; |
375 | Decl(Decl &&) = delete; |
376 | Decl &operator=(const Decl&) = delete; |
377 | Decl &operator=(Decl&&) = delete; |
378 | |
379 | protected: |
380 | Decl(Kind DK, DeclContext *DC, SourceLocation L) |
381 | : NextInContextAndBits(nullptr, getModuleOwnershipKindForChildOf(DC)), |
382 | DeclCtx(DC), Loc(L), DeclKind(DK), InvalidDecl(false), HasAttrs(false), |
383 | Implicit(false), Used(false), Referenced(false), |
384 | TopLevelDeclInObjCContainer(false), Access(AS_none), FromASTFile(0), |
385 | IdentifierNamespace(getIdentifierNamespaceForKind(DK)), |
386 | CacheValidAndLinkage(0) { |
387 | if (StatisticsEnabled) add(DK); |
388 | } |
389 | |
390 | Decl(Kind DK, EmptyShell Empty) |
391 | : DeclKind(DK), InvalidDecl(false), HasAttrs(false), Implicit(false), |
392 | Used(false), Referenced(false), TopLevelDeclInObjCContainer(false), |
393 | Access(AS_none), FromASTFile(0), |
394 | IdentifierNamespace(getIdentifierNamespaceForKind(DK)), |
395 | CacheValidAndLinkage(0) { |
396 | if (StatisticsEnabled) add(DK); |
397 | } |
398 | |
399 | virtual ~Decl(); |
400 | |
401 | /// Update a potentially out-of-date declaration. |
402 | void updateOutOfDate(IdentifierInfo &II) const; |
403 | |
404 | Linkage getCachedLinkage() const { |
405 | return Linkage(CacheValidAndLinkage - 1); |
406 | } |
407 | |
408 | void setCachedLinkage(Linkage L) const { |
409 | CacheValidAndLinkage = L + 1; |
410 | } |
411 | |
412 | bool hasCachedLinkage() const { |
413 | return CacheValidAndLinkage; |
414 | } |
415 | |
416 | public: |
417 | /// Source range that this declaration covers. |
418 | virtual SourceRange getSourceRange() const LLVM_READONLY__attribute__((__pure__)) { |
419 | return SourceRange(getLocation(), getLocation()); |
420 | } |
421 | |
422 | SourceLocation getBeginLoc() const LLVM_READONLY__attribute__((__pure__)) { |
423 | return getSourceRange().getBegin(); |
424 | } |
425 | |
426 | SourceLocation getEndLoc() const LLVM_READONLY__attribute__((__pure__)) { |
427 | return getSourceRange().getEnd(); |
428 | } |
429 | |
430 | SourceLocation getLocation() const { return Loc; } |
431 | void setLocation(SourceLocation L) { Loc = L; } |
432 | |
433 | Kind getKind() const { return static_cast<Kind>(DeclKind); } |
434 | const char *getDeclKindName() const; |
435 | |
436 | Decl *getNextDeclInContext() { return NextInContextAndBits.getPointer(); } |
437 | const Decl *getNextDeclInContext() const {return NextInContextAndBits.getPointer();} |
438 | |
439 | DeclContext *getDeclContext() { |
440 | if (isInSemaDC()) |
441 | return getSemanticDC(); |
442 | return getMultipleDC()->SemanticDC; |
443 | } |
444 | const DeclContext *getDeclContext() const { |
445 | return const_cast<Decl*>(this)->getDeclContext(); |
446 | } |
447 | |
448 | /// Find the innermost non-closure ancestor of this declaration, |
449 | /// walking up through blocks, lambdas, etc. If that ancestor is |
450 | /// not a code context (!isFunctionOrMethod()), returns null. |
451 | /// |
452 | /// A declaration may be its own non-closure context. |
453 | Decl *getNonClosureContext(); |
454 | const Decl *getNonClosureContext() const { |
455 | return const_cast<Decl*>(this)->getNonClosureContext(); |
456 | } |
457 | |
458 | TranslationUnitDecl *getTranslationUnitDecl(); |
459 | const TranslationUnitDecl *getTranslationUnitDecl() const { |
460 | return const_cast<Decl*>(this)->getTranslationUnitDecl(); |
461 | } |
462 | |
463 | bool isInAnonymousNamespace() const; |
464 | |
465 | bool isInStdNamespace() const; |
466 | |
467 | ASTContext &getASTContext() const LLVM_READONLY__attribute__((__pure__)); |
468 | |
469 | /// Helper to get the language options from the ASTContext. |
470 | /// Defined out of line to avoid depending on ASTContext.h. |
471 | const LangOptions &getLangOpts() const LLVM_READONLY__attribute__((__pure__)); |
472 | |
473 | void setAccess(AccessSpecifier AS) { |
474 | Access = AS; |
475 | assert(AccessDeclContextSanity())((AccessDeclContextSanity()) ? static_cast<void> (0) : __assert_fail ("AccessDeclContextSanity()", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 475, __PRETTY_FUNCTION__)); |
476 | } |
477 | |
478 | AccessSpecifier getAccess() const { |
479 | assert(AccessDeclContextSanity())((AccessDeclContextSanity()) ? static_cast<void> (0) : __assert_fail ("AccessDeclContextSanity()", "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 479, __PRETTY_FUNCTION__)); |
480 | return AccessSpecifier(Access); |
481 | } |
482 | |
483 | /// Retrieve the access specifier for this declaration, even though |
484 | /// it may not yet have been properly set. |
485 | AccessSpecifier getAccessUnsafe() const { |
486 | return AccessSpecifier(Access); |
487 | } |
488 | |
489 | bool hasAttrs() const { return HasAttrs; } |
490 | |
491 | void setAttrs(const AttrVec& Attrs) { |
492 | return setAttrsImpl(Attrs, getASTContext()); |
493 | } |
494 | |
495 | AttrVec &getAttrs() { |
496 | return const_cast<AttrVec&>(const_cast<const Decl*>(this)->getAttrs()); |
497 | } |
498 | |
499 | const AttrVec &getAttrs() const; |
500 | void dropAttrs(); |
501 | void addAttr(Attr *A); |
502 | |
503 | using attr_iterator = AttrVec::const_iterator; |
504 | using attr_range = llvm::iterator_range<attr_iterator>; |
505 | |
506 | attr_range attrs() const { |
507 | return attr_range(attr_begin(), attr_end()); |
508 | } |
509 | |
510 | attr_iterator attr_begin() const { |
511 | return hasAttrs() ? getAttrs().begin() : nullptr; |
512 | } |
513 | attr_iterator attr_end() const { |
514 | return hasAttrs() ? getAttrs().end() : nullptr; |
515 | } |
516 | |
517 | template <typename T> |
518 | void dropAttr() { |
519 | if (!HasAttrs) return; |
520 | |
521 | AttrVec &Vec = getAttrs(); |
522 | llvm::erase_if(Vec, [](Attr *A) { return isa<T>(A); }); |
523 | |
524 | if (Vec.empty()) |
525 | HasAttrs = false; |
526 | } |
527 | |
528 | template <typename T> |
529 | llvm::iterator_range<specific_attr_iterator<T>> specific_attrs() const { |
530 | return llvm::make_range(specific_attr_begin<T>(), specific_attr_end<T>()); |
531 | } |
532 | |
533 | template <typename T> |
534 | specific_attr_iterator<T> specific_attr_begin() const { |
535 | return specific_attr_iterator<T>(attr_begin()); |
536 | } |
537 | |
538 | template <typename T> |
539 | specific_attr_iterator<T> specific_attr_end() const { |
540 | return specific_attr_iterator<T>(attr_end()); |
541 | } |
542 | |
543 | template<typename T> T *getAttr() const { |
544 | return hasAttrs() ? getSpecificAttr<T>(getAttrs()) : nullptr; |
545 | } |
546 | |
547 | template<typename T> bool hasAttr() const { |
548 | return hasAttrs() && hasSpecificAttr<T>(getAttrs()); |
549 | } |
550 | |
551 | /// getMaxAlignment - return the maximum alignment specified by attributes |
552 | /// on this decl, 0 if there are none. |
553 | unsigned getMaxAlignment() const; |
554 | |
555 | /// setInvalidDecl - Indicates the Decl had a semantic error. This |
556 | /// allows for graceful error recovery. |
557 | void setInvalidDecl(bool Invalid = true); |
558 | bool isInvalidDecl() const { return (bool) InvalidDecl; } |
559 | |
560 | /// isImplicit - Indicates whether the declaration was implicitly |
561 | /// generated by the implementation. If false, this declaration |
562 | /// was written explicitly in the source code. |
563 | bool isImplicit() const { return Implicit; } |
564 | void setImplicit(bool I = true) { Implicit = I; } |
565 | |
566 | /// Whether *any* (re-)declaration of the entity was used, meaning that |
567 | /// a definition is required. |
568 | /// |
569 | /// \param CheckUsedAttr When true, also consider the "used" attribute |
570 | /// (in addition to the "used" bit set by \c setUsed()) when determining |
571 | /// whether the function is used. |
572 | bool isUsed(bool CheckUsedAttr = true) const; |
573 | |
574 | /// Set whether the declaration is used, in the sense of odr-use. |
575 | /// |
576 | /// This should only be used immediately after creating a declaration. |
577 | /// It intentionally doesn't notify any listeners. |
578 | void setIsUsed() { getCanonicalDecl()->Used = true; } |
579 | |
580 | /// Mark the declaration used, in the sense of odr-use. |
581 | /// |
582 | /// This notifies any mutation listeners in addition to setting a bit |
583 | /// indicating the declaration is used. |
584 | void markUsed(ASTContext &C); |
585 | |
586 | /// Whether any declaration of this entity was referenced. |
587 | bool isReferenced() const; |
588 | |
589 | /// Whether this declaration was referenced. This should not be relied |
590 | /// upon for anything other than debugging. |
591 | bool isThisDeclarationReferenced() const { return Referenced; } |
592 | |
593 | void setReferenced(bool R = true) { Referenced = R; } |
594 | |
595 | /// Whether this declaration is a top-level declaration (function, |
596 | /// global variable, etc.) that is lexically inside an objc container |
597 | /// definition. |
598 | bool isTopLevelDeclInObjCContainer() const { |
599 | return TopLevelDeclInObjCContainer; |
600 | } |
601 | |
602 | void setTopLevelDeclInObjCContainer(bool V = true) { |
603 | TopLevelDeclInObjCContainer = V; |
604 | } |
605 | |
606 | /// Looks on this and related declarations for an applicable |
607 | /// external source symbol attribute. |
608 | ExternalSourceSymbolAttr *getExternalSourceSymbolAttr() const; |
609 | |
610 | /// Whether this declaration was marked as being private to the |
611 | /// module in which it was defined. |
612 | bool isModulePrivate() const { |
613 | return getModuleOwnershipKind() == ModuleOwnershipKind::ModulePrivate; |
614 | } |
615 | |
616 | /// Return true if this declaration has an attribute which acts as |
617 | /// definition of the entity, such as 'alias' or 'ifunc'. |
618 | bool hasDefiningAttr() const; |
619 | |
620 | /// Return this declaration's defining attribute if it has one. |
621 | const Attr *getDefiningAttr() const; |
622 | |
623 | protected: |
624 | /// Specify that this declaration was marked as being private |
625 | /// to the module in which it was defined. |
626 | void setModulePrivate() { |
627 | // The module-private specifier has no effect on unowned declarations. |
628 | // FIXME: We should track this in some way for source fidelity. |
629 | if (getModuleOwnershipKind() == ModuleOwnershipKind::Unowned) |
630 | return; |
631 | setModuleOwnershipKind(ModuleOwnershipKind::ModulePrivate); |
632 | } |
633 | |
634 | public: |
635 | /// Set the FromASTFile flag. This indicates that this declaration |
636 | /// was deserialized and not parsed from source code and enables |
637 | /// features such as module ownership information. |
638 | void setFromASTFile() { |
639 | FromASTFile = true; |
640 | } |
641 | |
642 | /// Set the owning module ID. This may only be called for |
643 | /// deserialized Decls. |
644 | void setOwningModuleID(unsigned ID) { |
645 | assert(isFromASTFile() && "Only works on a deserialized declaration")((isFromASTFile() && "Only works on a deserialized declaration" ) ? static_cast<void> (0) : __assert_fail ("isFromASTFile() && \"Only works on a deserialized declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 645, __PRETTY_FUNCTION__)); |
646 | *((unsigned*)this - 2) = ID; |
647 | } |
648 | |
649 | public: |
650 | /// Determine the availability of the given declaration. |
651 | /// |
652 | /// This routine will determine the most restrictive availability of |
653 | /// the given declaration (e.g., preferring 'unavailable' to |
654 | /// 'deprecated'). |
655 | /// |
656 | /// \param Message If non-NULL and the result is not \c |
657 | /// AR_Available, will be set to a (possibly empty) message |
658 | /// describing why the declaration has not been introduced, is |
659 | /// deprecated, or is unavailable. |
660 | /// |
661 | /// \param EnclosingVersion The version to compare with. If empty, assume the |
662 | /// deployment target version. |
663 | /// |
664 | /// \param RealizedPlatform If non-NULL and the availability result is found |
665 | /// in an available attribute it will set to the platform which is written in |
666 | /// the available attribute. |
667 | AvailabilityResult |
668 | getAvailability(std::string *Message = nullptr, |
669 | VersionTuple EnclosingVersion = VersionTuple(), |
670 | StringRef *RealizedPlatform = nullptr) const; |
671 | |
672 | /// Retrieve the version of the target platform in which this |
673 | /// declaration was introduced. |
674 | /// |
675 | /// \returns An empty version tuple if this declaration has no 'introduced' |
676 | /// availability attributes, or the version tuple that's specified in the |
677 | /// attribute otherwise. |
678 | VersionTuple getVersionIntroduced() const; |
679 | |
680 | /// Determine whether this declaration is marked 'deprecated'. |
681 | /// |
682 | /// \param Message If non-NULL and the declaration is deprecated, |
683 | /// this will be set to the message describing why the declaration |
684 | /// was deprecated (which may be empty). |
685 | bool isDeprecated(std::string *Message = nullptr) const { |
686 | return getAvailability(Message) == AR_Deprecated; |
687 | } |
688 | |
689 | /// Determine whether this declaration is marked 'unavailable'. |
690 | /// |
691 | /// \param Message If non-NULL and the declaration is unavailable, |
692 | /// this will be set to the message describing why the declaration |
693 | /// was made unavailable (which may be empty). |
694 | bool isUnavailable(std::string *Message = nullptr) const { |
695 | return getAvailability(Message) == AR_Unavailable; |
696 | } |
697 | |
698 | /// Determine whether this is a weak-imported symbol. |
699 | /// |
700 | /// Weak-imported symbols are typically marked with the |
701 | /// 'weak_import' attribute, but may also be marked with an |
702 | /// 'availability' attribute where we're targing a platform prior to |
703 | /// the introduction of this feature. |
704 | bool isWeakImported() const; |
705 | |
706 | /// Determines whether this symbol can be weak-imported, |
707 | /// e.g., whether it would be well-formed to add the weak_import |
708 | /// attribute. |
709 | /// |
710 | /// \param IsDefinition Set to \c true to indicate that this |
711 | /// declaration cannot be weak-imported because it has a definition. |
712 | bool canBeWeakImported(bool &IsDefinition) const; |
713 | |
714 | /// Determine whether this declaration came from an AST file (such as |
715 | /// a precompiled header or module) rather than having been parsed. |
716 | bool isFromASTFile() const { return FromASTFile; } |
717 | |
718 | /// Retrieve the global declaration ID associated with this |
719 | /// declaration, which specifies where this Decl was loaded from. |
720 | unsigned getGlobalID() const { |
721 | if (isFromASTFile()) |
722 | return *((const unsigned*)this - 1); |
723 | return 0; |
724 | } |
725 | |
726 | /// Retrieve the global ID of the module that owns this particular |
727 | /// declaration. |
728 | unsigned getOwningModuleID() const { |
729 | if (isFromASTFile()) |
730 | return *((const unsigned*)this - 2); |
731 | return 0; |
732 | } |
733 | |
734 | private: |
735 | Module *getOwningModuleSlow() const; |
736 | |
737 | protected: |
738 | bool hasLocalOwningModuleStorage() const; |
739 | |
740 | public: |
741 | /// Get the imported owning module, if this decl is from an imported |
742 | /// (non-local) module. |
743 | Module *getImportedOwningModule() const { |
744 | if (!isFromASTFile() || !hasOwningModule()) |
745 | return nullptr; |
746 | |
747 | return getOwningModuleSlow(); |
748 | } |
749 | |
750 | /// Get the local owning module, if known. Returns nullptr if owner is |
751 | /// not yet known or declaration is not from a module. |
752 | Module *getLocalOwningModule() const { |
753 | if (isFromASTFile() || !hasOwningModule()) |
754 | return nullptr; |
755 | |
756 | assert(hasLocalOwningModuleStorage() &&((hasLocalOwningModuleStorage() && "owned local decl but no local module storage" ) ? static_cast<void> (0) : __assert_fail ("hasLocalOwningModuleStorage() && \"owned local decl but no local module storage\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 757, __PRETTY_FUNCTION__)) |
757 | "owned local decl but no local module storage")((hasLocalOwningModuleStorage() && "owned local decl but no local module storage" ) ? static_cast<void> (0) : __assert_fail ("hasLocalOwningModuleStorage() && \"owned local decl but no local module storage\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 757, __PRETTY_FUNCTION__)); |
758 | return reinterpret_cast<Module *const *>(this)[-1]; |
759 | } |
760 | void setLocalOwningModule(Module *M) { |
761 | assert(!isFromASTFile() && hasOwningModule() &&((!isFromASTFile() && hasOwningModule() && hasLocalOwningModuleStorage () && "should not have a cached owning module") ? static_cast <void> (0) : __assert_fail ("!isFromASTFile() && hasOwningModule() && hasLocalOwningModuleStorage() && \"should not have a cached owning module\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 763, __PRETTY_FUNCTION__)) |
762 | hasLocalOwningModuleStorage() &&((!isFromASTFile() && hasOwningModule() && hasLocalOwningModuleStorage () && "should not have a cached owning module") ? static_cast <void> (0) : __assert_fail ("!isFromASTFile() && hasOwningModule() && hasLocalOwningModuleStorage() && \"should not have a cached owning module\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 763, __PRETTY_FUNCTION__)) |
763 | "should not have a cached owning module")((!isFromASTFile() && hasOwningModule() && hasLocalOwningModuleStorage () && "should not have a cached owning module") ? static_cast <void> (0) : __assert_fail ("!isFromASTFile() && hasOwningModule() && hasLocalOwningModuleStorage() && \"should not have a cached owning module\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 763, __PRETTY_FUNCTION__)); |
764 | reinterpret_cast<Module **>(this)[-1] = M; |
765 | } |
766 | |
767 | /// Is this declaration owned by some module? |
768 | bool hasOwningModule() const { |
769 | return getModuleOwnershipKind() != ModuleOwnershipKind::Unowned; |
770 | } |
771 | |
772 | /// Get the module that owns this declaration (for visibility purposes). |
773 | Module *getOwningModule() const { |
774 | return isFromASTFile() ? getImportedOwningModule() : getLocalOwningModule(); |
775 | } |
776 | |
777 | /// Get the module that owns this declaration for linkage purposes. |
778 | /// There only ever is such a module under the C++ Modules TS. |
779 | /// |
780 | /// \param IgnoreLinkage Ignore the linkage of the entity; assume that |
781 | /// all declarations in a global module fragment are unowned. |
782 | Module *getOwningModuleForLinkage(bool IgnoreLinkage = false) const; |
783 | |
784 | /// Determine whether this declaration is definitely visible to name lookup, |
785 | /// independent of whether the owning module is visible. |
786 | /// Note: The declaration may be visible even if this returns \c false if the |
787 | /// owning module is visible within the query context. This is a low-level |
788 | /// helper function; most code should be calling Sema::isVisible() instead. |
789 | bool isUnconditionallyVisible() const { |
790 | return (int)getModuleOwnershipKind() <= (int)ModuleOwnershipKind::Visible; |
791 | } |
792 | |
793 | /// Set that this declaration is globally visible, even if it came from a |
794 | /// module that is not visible. |
795 | void setVisibleDespiteOwningModule() { |
796 | if (!isUnconditionallyVisible()) |
797 | setModuleOwnershipKind(ModuleOwnershipKind::Visible); |
798 | } |
799 | |
800 | /// Get the kind of module ownership for this declaration. |
801 | ModuleOwnershipKind getModuleOwnershipKind() const { |
802 | return NextInContextAndBits.getInt(); |
803 | } |
804 | |
805 | /// Set whether this declaration is hidden from name lookup. |
806 | void setModuleOwnershipKind(ModuleOwnershipKind MOK) { |
807 | assert(!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned &&((!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile () && !hasLocalOwningModuleStorage()) && "no storage available for owning module for this declaration" ) ? static_cast<void> (0) : __assert_fail ("!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile() && !hasLocalOwningModuleStorage()) && \"no storage available for owning module for this declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 810, __PRETTY_FUNCTION__)) |
808 | MOK != ModuleOwnershipKind::Unowned && !isFromASTFile() &&((!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile () && !hasLocalOwningModuleStorage()) && "no storage available for owning module for this declaration" ) ? static_cast<void> (0) : __assert_fail ("!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile() && !hasLocalOwningModuleStorage()) && \"no storage available for owning module for this declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 810, __PRETTY_FUNCTION__)) |
809 | !hasLocalOwningModuleStorage()) &&((!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile () && !hasLocalOwningModuleStorage()) && "no storage available for owning module for this declaration" ) ? static_cast<void> (0) : __assert_fail ("!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile() && !hasLocalOwningModuleStorage()) && \"no storage available for owning module for this declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 810, __PRETTY_FUNCTION__)) |
810 | "no storage available for owning module for this declaration")((!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile () && !hasLocalOwningModuleStorage()) && "no storage available for owning module for this declaration" ) ? static_cast<void> (0) : __assert_fail ("!(getModuleOwnershipKind() == ModuleOwnershipKind::Unowned && MOK != ModuleOwnershipKind::Unowned && !isFromASTFile() && !hasLocalOwningModuleStorage()) && \"no storage available for owning module for this declaration\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 810, __PRETTY_FUNCTION__)); |
811 | NextInContextAndBits.setInt(MOK); |
812 | } |
813 | |
814 | unsigned getIdentifierNamespace() const { |
815 | return IdentifierNamespace; |
816 | } |
817 | |
818 | bool isInIdentifierNamespace(unsigned NS) const { |
819 | return getIdentifierNamespace() & NS; |
820 | } |
821 | |
822 | static unsigned getIdentifierNamespaceForKind(Kind DK); |
823 | |
824 | bool hasTagIdentifierNamespace() const { |
825 | return isTagIdentifierNamespace(getIdentifierNamespace()); |
826 | } |
827 | |
828 | static bool isTagIdentifierNamespace(unsigned NS) { |
829 | // TagDecls have Tag and Type set and may also have TagFriend. |
830 | return (NS & ~IDNS_TagFriend) == (IDNS_Tag | IDNS_Type); |
831 | } |
832 | |
833 | /// getLexicalDeclContext - The declaration context where this Decl was |
834 | /// lexically declared (LexicalDC). May be different from |
835 | /// getDeclContext() (SemanticDC). |
836 | /// e.g.: |
837 | /// |
838 | /// namespace A { |
839 | /// void f(); // SemanticDC == LexicalDC == 'namespace A' |
840 | /// } |
841 | /// void A::f(); // SemanticDC == namespace 'A' |
842 | /// // LexicalDC == global namespace |
843 | DeclContext *getLexicalDeclContext() { |
844 | if (isInSemaDC()) |
845 | return getSemanticDC(); |
846 | return getMultipleDC()->LexicalDC; |
847 | } |
848 | const DeclContext *getLexicalDeclContext() const { |
849 | return const_cast<Decl*>(this)->getLexicalDeclContext(); |
850 | } |
851 | |
852 | /// Determine whether this declaration is declared out of line (outside its |
853 | /// semantic context). |
854 | virtual bool isOutOfLine() const; |
855 | |
856 | /// setDeclContext - Set both the semantic and lexical DeclContext |
857 | /// to DC. |
858 | void setDeclContext(DeclContext *DC); |
859 | |
860 | void setLexicalDeclContext(DeclContext *DC); |
861 | |
862 | /// Determine whether this declaration is a templated entity (whether it is |
863 | // within the scope of a template parameter). |
864 | bool isTemplated() const; |
865 | |
866 | /// Determine the number of levels of template parameter surrounding this |
867 | /// declaration. |
868 | unsigned getTemplateDepth() const; |
869 | |
870 | /// isDefinedOutsideFunctionOrMethod - This predicate returns true if this |
871 | /// scoped decl is defined outside the current function or method. This is |
872 | /// roughly global variables and functions, but also handles enums (which |
873 | /// could be defined inside or outside a function etc). |
874 | bool isDefinedOutsideFunctionOrMethod() const { |
875 | return getParentFunctionOrMethod() == nullptr; |
876 | } |
877 | |
878 | /// Determine whether a substitution into this declaration would occur as |
879 | /// part of a substitution into a dependent local scope. Such a substitution |
880 | /// transitively substitutes into all constructs nested within this |
881 | /// declaration. |
882 | /// |
883 | /// This recognizes non-defining declarations as well as members of local |
884 | /// classes and lambdas: |
885 | /// \code |
886 | /// template<typename T> void foo() { void bar(); } |
887 | /// template<typename T> void foo2() { class ABC { void bar(); }; } |
888 | /// template<typename T> inline int x = [](){ return 0; }(); |
889 | /// \endcode |
890 | bool isInLocalScopeForInstantiation() const; |
891 | |
892 | /// If this decl is defined inside a function/method/block it returns |
893 | /// the corresponding DeclContext, otherwise it returns null. |
894 | const DeclContext *getParentFunctionOrMethod() const; |
895 | DeclContext *getParentFunctionOrMethod() { |
896 | return const_cast<DeclContext*>( |
897 | const_cast<const Decl*>(this)->getParentFunctionOrMethod()); |
898 | } |
899 | |
900 | /// Retrieves the "canonical" declaration of the given declaration. |
901 | virtual Decl *getCanonicalDecl() { return this; } |
902 | const Decl *getCanonicalDecl() const { |
903 | return const_cast<Decl*>(this)->getCanonicalDecl(); |
904 | } |
905 | |
906 | /// Whether this particular Decl is a canonical one. |
907 | bool isCanonicalDecl() const { return getCanonicalDecl() == this; } |
908 | |
909 | protected: |
910 | /// Returns the next redeclaration or itself if this is the only decl. |
911 | /// |
912 | /// Decl subclasses that can be redeclared should override this method so that |
913 | /// Decl::redecl_iterator can iterate over them. |
914 | virtual Decl *getNextRedeclarationImpl() { return this; } |
915 | |
916 | /// Implementation of getPreviousDecl(), to be overridden by any |
917 | /// subclass that has a redeclaration chain. |
918 | virtual Decl *getPreviousDeclImpl() { return nullptr; } |
919 | |
920 | /// Implementation of getMostRecentDecl(), to be overridden by any |
921 | /// subclass that has a redeclaration chain. |
922 | virtual Decl *getMostRecentDeclImpl() { return this; } |
923 | |
924 | public: |
925 | /// Iterates through all the redeclarations of the same decl. |
926 | class redecl_iterator { |
927 | /// Current - The current declaration. |
928 | Decl *Current = nullptr; |
929 | Decl *Starter; |
930 | |
931 | public: |
932 | using value_type = Decl *; |
933 | using reference = const value_type &; |
934 | using pointer = const value_type *; |
935 | using iterator_category = std::forward_iterator_tag; |
936 | using difference_type = std::ptrdiff_t; |
937 | |
938 | redecl_iterator() = default; |
939 | explicit redecl_iterator(Decl *C) : Current(C), Starter(C) {} |
940 | |
941 | reference operator*() const { return Current; } |
942 | value_type operator->() const { return Current; } |
943 | |
944 | redecl_iterator& operator++() { |
945 | assert(Current && "Advancing while iterator has reached end")((Current && "Advancing while iterator has reached end" ) ? static_cast<void> (0) : __assert_fail ("Current && \"Advancing while iterator has reached end\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 945, __PRETTY_FUNCTION__)); |
946 | // Get either previous decl or latest decl. |
947 | Decl *Next = Current->getNextRedeclarationImpl(); |
948 | assert(Next && "Should return next redeclaration or itself, never null!")((Next && "Should return next redeclaration or itself, never null!" ) ? static_cast<void> (0) : __assert_fail ("Next && \"Should return next redeclaration or itself, never null!\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 948, __PRETTY_FUNCTION__)); |
949 | Current = (Next != Starter) ? Next : nullptr; |
950 | return *this; |
951 | } |
952 | |
953 | redecl_iterator operator++(int) { |
954 | redecl_iterator tmp(*this); |
955 | ++(*this); |
956 | return tmp; |
957 | } |
958 | |
959 | friend bool operator==(redecl_iterator x, redecl_iterator y) { |
960 | return x.Current == y.Current; |
961 | } |
962 | |
963 | friend bool operator!=(redecl_iterator x, redecl_iterator y) { |
964 | return x.Current != y.Current; |
965 | } |
966 | }; |
967 | |
968 | using redecl_range = llvm::iterator_range<redecl_iterator>; |
969 | |
970 | /// Returns an iterator range for all the redeclarations of the same |
971 | /// decl. It will iterate at least once (when this decl is the only one). |
972 | redecl_range redecls() const { |
973 | return redecl_range(redecls_begin(), redecls_end()); |
974 | } |
975 | |
976 | redecl_iterator redecls_begin() const { |
977 | return redecl_iterator(const_cast<Decl *>(this)); |
978 | } |
979 | |
980 | redecl_iterator redecls_end() const { return redecl_iterator(); } |
981 | |
982 | /// Retrieve the previous declaration that declares the same entity |
983 | /// as this declaration, or NULL if there is no previous declaration. |
984 | Decl *getPreviousDecl() { return getPreviousDeclImpl(); } |
985 | |
986 | /// Retrieve the previous declaration that declares the same entity |
987 | /// as this declaration, or NULL if there is no previous declaration. |
988 | const Decl *getPreviousDecl() const { |
989 | return const_cast<Decl *>(this)->getPreviousDeclImpl(); |
990 | } |
991 | |
992 | /// True if this is the first declaration in its redeclaration chain. |
993 | bool isFirstDecl() const { |
994 | return getPreviousDecl() == nullptr; |
995 | } |
996 | |
997 | /// Retrieve the most recent declaration that declares the same entity |
998 | /// as this declaration (which may be this declaration). |
999 | Decl *getMostRecentDecl() { return getMostRecentDeclImpl(); } |
1000 | |
1001 | /// Retrieve the most recent declaration that declares the same entity |
1002 | /// as this declaration (which may be this declaration). |
1003 | const Decl *getMostRecentDecl() const { |
1004 | return const_cast<Decl *>(this)->getMostRecentDeclImpl(); |
1005 | } |
1006 | |
1007 | /// getBody - If this Decl represents a declaration for a body of code, |
1008 | /// such as a function or method definition, this method returns the |
1009 | /// top-level Stmt* of that body. Otherwise this method returns null. |
1010 | virtual Stmt* getBody() const { return nullptr; } |
1011 | |
1012 | /// Returns true if this \c Decl represents a declaration for a body of |
1013 | /// code, such as a function or method definition. |
1014 | /// Note that \c hasBody can also return true if any redeclaration of this |
1015 | /// \c Decl represents a declaration for a body of code. |
1016 | virtual bool hasBody() const { return getBody() != nullptr; } |
1017 | |
1018 | /// getBodyRBrace - Gets the right brace of the body, if a body exists. |
1019 | /// This works whether the body is a CompoundStmt or a CXXTryStmt. |
1020 | SourceLocation getBodyRBrace() const; |
1021 | |
1022 | // global temp stats (until we have a per-module visitor) |
1023 | static void add(Kind k); |
1024 | static void EnableStatistics(); |
1025 | static void PrintStats(); |
1026 | |
1027 | /// isTemplateParameter - Determines whether this declaration is a |
1028 | /// template parameter. |
1029 | bool isTemplateParameter() const; |
1030 | |
1031 | /// isTemplateParameter - Determines whether this declaration is a |
1032 | /// template parameter pack. |
1033 | bool isTemplateParameterPack() const; |
1034 | |
1035 | /// Whether this declaration is a parameter pack. |
1036 | bool isParameterPack() const; |
1037 | |
1038 | /// returns true if this declaration is a template |
1039 | bool isTemplateDecl() const; |
1040 | |
1041 | /// Whether this declaration is a function or function template. |
1042 | bool isFunctionOrFunctionTemplate() const { |
1043 | return (DeclKind >= Decl::firstFunction && |
1044 | DeclKind <= Decl::lastFunction) || |
1045 | DeclKind == FunctionTemplate; |
1046 | } |
1047 | |
1048 | /// If this is a declaration that describes some template, this |
1049 | /// method returns that template declaration. |
1050 | /// |
1051 | /// Note that this returns nullptr for partial specializations, because they |
1052 | /// are not modeled as TemplateDecls. Use getDescribedTemplateParams to handle |
1053 | /// those cases. |
1054 | TemplateDecl *getDescribedTemplate() const; |
1055 | |
1056 | /// If this is a declaration that describes some template or partial |
1057 | /// specialization, this returns the corresponding template parameter list. |
1058 | const TemplateParameterList *getDescribedTemplateParams() const; |
1059 | |
1060 | /// Returns the function itself, or the templated function if this is a |
1061 | /// function template. |
1062 | FunctionDecl *getAsFunction() LLVM_READONLY__attribute__((__pure__)); |
1063 | |
1064 | const FunctionDecl *getAsFunction() const { |
1065 | return const_cast<Decl *>(this)->getAsFunction(); |
1066 | } |
1067 | |
1068 | /// Changes the namespace of this declaration to reflect that it's |
1069 | /// a function-local extern declaration. |
1070 | /// |
1071 | /// These declarations appear in the lexical context of the extern |
1072 | /// declaration, but in the semantic context of the enclosing namespace |
1073 | /// scope. |
1074 | void setLocalExternDecl() { |
1075 | Decl *Prev = getPreviousDecl(); |
1076 | IdentifierNamespace &= ~IDNS_Ordinary; |
1077 | |
1078 | // It's OK for the declaration to still have the "invisible friend" flag or |
1079 | // the "conflicts with tag declarations in this scope" flag for the outer |
1080 | // scope. |
1081 | assert((IdentifierNamespace & ~(IDNS_OrdinaryFriend | IDNS_Tag)) == 0 &&(((IdentifierNamespace & ~(IDNS_OrdinaryFriend | IDNS_Tag )) == 0 && "namespace is not ordinary") ? static_cast <void> (0) : __assert_fail ("(IdentifierNamespace & ~(IDNS_OrdinaryFriend | IDNS_Tag)) == 0 && \"namespace is not ordinary\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1082, __PRETTY_FUNCTION__)) |
1082 | "namespace is not ordinary")(((IdentifierNamespace & ~(IDNS_OrdinaryFriend | IDNS_Tag )) == 0 && "namespace is not ordinary") ? static_cast <void> (0) : __assert_fail ("(IdentifierNamespace & ~(IDNS_OrdinaryFriend | IDNS_Tag)) == 0 && \"namespace is not ordinary\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1082, __PRETTY_FUNCTION__)); |
1083 | |
1084 | IdentifierNamespace |= IDNS_LocalExtern; |
1085 | if (Prev && Prev->getIdentifierNamespace() & IDNS_Ordinary) |
1086 | IdentifierNamespace |= IDNS_Ordinary; |
1087 | } |
1088 | |
1089 | /// Determine whether this is a block-scope declaration with linkage. |
1090 | /// This will either be a local variable declaration declared 'extern', or a |
1091 | /// local function declaration. |
1092 | bool isLocalExternDecl() { |
1093 | return IdentifierNamespace & IDNS_LocalExtern; |
1094 | } |
1095 | |
1096 | /// Changes the namespace of this declaration to reflect that it's |
1097 | /// the object of a friend declaration. |
1098 | /// |
1099 | /// These declarations appear in the lexical context of the friending |
1100 | /// class, but in the semantic context of the actual entity. This property |
1101 | /// applies only to a specific decl object; other redeclarations of the |
1102 | /// same entity may not (and probably don't) share this property. |
1103 | void setObjectOfFriendDecl(bool PerformFriendInjection = false) { |
1104 | unsigned OldNS = IdentifierNamespace; |
1105 | assert((OldNS & (IDNS_Tag | IDNS_Ordinary |(((OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && "namespace includes neither ordinary nor tag" ) ? static_cast<void> (0) : __assert_fail ("(OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes neither ordinary nor tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1108, __PRETTY_FUNCTION__)) |
1106 | IDNS_TagFriend | IDNS_OrdinaryFriend |(((OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && "namespace includes neither ordinary nor tag" ) ? static_cast<void> (0) : __assert_fail ("(OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes neither ordinary nor tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1108, __PRETTY_FUNCTION__)) |
1107 | IDNS_LocalExtern | IDNS_NonMemberOperator)) &&(((OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && "namespace includes neither ordinary nor tag" ) ? static_cast<void> (0) : __assert_fail ("(OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes neither ordinary nor tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1108, __PRETTY_FUNCTION__)) |
1108 | "namespace includes neither ordinary nor tag")(((OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && "namespace includes neither ordinary nor tag" ) ? static_cast<void> (0) : __assert_fail ("(OldNS & (IDNS_Tag | IDNS_Ordinary | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes neither ordinary nor tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1108, __PRETTY_FUNCTION__)); |
1109 | assert(!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type |((!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator )) && "namespace includes other than ordinary or tag" ) ? static_cast<void> (0) : __assert_fail ("!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes other than ordinary or tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1112, __PRETTY_FUNCTION__)) |
1110 | IDNS_TagFriend | IDNS_OrdinaryFriend |((!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator )) && "namespace includes other than ordinary or tag" ) ? static_cast<void> (0) : __assert_fail ("!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes other than ordinary or tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1112, __PRETTY_FUNCTION__)) |
1111 | IDNS_LocalExtern | IDNS_NonMemberOperator)) &&((!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator )) && "namespace includes other than ordinary or tag" ) ? static_cast<void> (0) : __assert_fail ("!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes other than ordinary or tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1112, __PRETTY_FUNCTION__)) |
1112 | "namespace includes other than ordinary or tag")((!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator )) && "namespace includes other than ordinary or tag" ) ? static_cast<void> (0) : __assert_fail ("!(OldNS & ~(IDNS_Tag | IDNS_Ordinary | IDNS_Type | IDNS_TagFriend | IDNS_OrdinaryFriend | IDNS_LocalExtern | IDNS_NonMemberOperator)) && \"namespace includes other than ordinary or tag\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1112, __PRETTY_FUNCTION__)); |
1113 | |
1114 | Decl *Prev = getPreviousDecl(); |
1115 | IdentifierNamespace &= ~(IDNS_Ordinary | IDNS_Tag | IDNS_Type); |
1116 | |
1117 | if (OldNS & (IDNS_Tag | IDNS_TagFriend)) { |
1118 | IdentifierNamespace |= IDNS_TagFriend; |
1119 | if (PerformFriendInjection || |
1120 | (Prev && Prev->getIdentifierNamespace() & IDNS_Tag)) |
1121 | IdentifierNamespace |= IDNS_Tag | IDNS_Type; |
1122 | } |
1123 | |
1124 | if (OldNS & (IDNS_Ordinary | IDNS_OrdinaryFriend | |
1125 | IDNS_LocalExtern | IDNS_NonMemberOperator)) { |
1126 | IdentifierNamespace |= IDNS_OrdinaryFriend; |
1127 | if (PerformFriendInjection || |
1128 | (Prev && Prev->getIdentifierNamespace() & IDNS_Ordinary)) |
1129 | IdentifierNamespace |= IDNS_Ordinary; |
1130 | } |
1131 | } |
1132 | |
1133 | enum FriendObjectKind { |
1134 | FOK_None, ///< Not a friend object. |
1135 | FOK_Declared, ///< A friend of a previously-declared entity. |
1136 | FOK_Undeclared ///< A friend of a previously-undeclared entity. |
1137 | }; |
1138 | |
1139 | /// Determines whether this declaration is the object of a |
1140 | /// friend declaration and, if so, what kind. |
1141 | /// |
1142 | /// There is currently no direct way to find the associated FriendDecl. |
1143 | FriendObjectKind getFriendObjectKind() const { |
1144 | unsigned mask = |
1145 | (IdentifierNamespace & (IDNS_TagFriend | IDNS_OrdinaryFriend)); |
1146 | if (!mask) return FOK_None; |
1147 | return (IdentifierNamespace & (IDNS_Tag | IDNS_Ordinary) ? FOK_Declared |
1148 | : FOK_Undeclared); |
1149 | } |
1150 | |
1151 | /// Specifies that this declaration is a C++ overloaded non-member. |
1152 | void setNonMemberOperator() { |
1153 | assert(getKind() == Function || getKind() == FunctionTemplate)((getKind() == Function || getKind() == FunctionTemplate) ? static_cast <void> (0) : __assert_fail ("getKind() == Function || getKind() == FunctionTemplate" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1153, __PRETTY_FUNCTION__)); |
1154 | assert((IdentifierNamespace & IDNS_Ordinary) &&(((IdentifierNamespace & IDNS_Ordinary) && "visible non-member operators should be in ordinary namespace" ) ? static_cast<void> (0) : __assert_fail ("(IdentifierNamespace & IDNS_Ordinary) && \"visible non-member operators should be in ordinary namespace\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1155, __PRETTY_FUNCTION__)) |
1155 | "visible non-member operators should be in ordinary namespace")(((IdentifierNamespace & IDNS_Ordinary) && "visible non-member operators should be in ordinary namespace" ) ? static_cast<void> (0) : __assert_fail ("(IdentifierNamespace & IDNS_Ordinary) && \"visible non-member operators should be in ordinary namespace\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 1155, __PRETTY_FUNCTION__)); |
1156 | IdentifierNamespace |= IDNS_NonMemberOperator; |
1157 | } |
1158 | |
1159 | static bool classofKind(Kind K) { return true; } |
1160 | static DeclContext *castToDeclContext(const Decl *); |
1161 | static Decl *castFromDeclContext(const DeclContext *); |
1162 | |
1163 | void print(raw_ostream &Out, unsigned Indentation = 0, |
1164 | bool PrintInstantiation = false) const; |
1165 | void print(raw_ostream &Out, const PrintingPolicy &Policy, |
1166 | unsigned Indentation = 0, bool PrintInstantiation = false) const; |
1167 | static void printGroup(Decl** Begin, unsigned NumDecls, |
1168 | raw_ostream &Out, const PrintingPolicy &Policy, |
1169 | unsigned Indentation = 0); |
1170 | |
1171 | // Debuggers don't usually respect default arguments. |
1172 | void dump() const; |
1173 | |
1174 | // Same as dump(), but forces color printing. |
1175 | void dumpColor() const; |
1176 | |
1177 | void dump(raw_ostream &Out, bool Deserialize = false, |
1178 | ASTDumpOutputFormat OutputFormat = ADOF_Default) const; |
1179 | |
1180 | /// \return Unique reproducible object identifier |
1181 | int64_t getID() const; |
1182 | |
1183 | /// Looks through the Decl's underlying type to extract a FunctionType |
1184 | /// when possible. Will return null if the type underlying the Decl does not |
1185 | /// have a FunctionType. |
1186 | const FunctionType *getFunctionType(bool BlocksToo = true) const; |
1187 | |
1188 | private: |
1189 | void setAttrsImpl(const AttrVec& Attrs, ASTContext &Ctx); |
1190 | void setDeclContextsImpl(DeclContext *SemaDC, DeclContext *LexicalDC, |
1191 | ASTContext &Ctx); |
1192 | |
1193 | protected: |
1194 | ASTMutationListener *getASTMutationListener() const; |
1195 | }; |
1196 | |
1197 | /// Determine whether two declarations declare the same entity. |
1198 | inline bool declaresSameEntity(const Decl *D1, const Decl *D2) { |
1199 | if (!D1 || !D2) |
1200 | return false; |
1201 | |
1202 | if (D1 == D2) |
1203 | return true; |
1204 | |
1205 | return D1->getCanonicalDecl() == D2->getCanonicalDecl(); |
1206 | } |
1207 | |
1208 | /// PrettyStackTraceDecl - If a crash occurs, indicate that it happened when |
1209 | /// doing something to a specific decl. |
1210 | class PrettyStackTraceDecl : public llvm::PrettyStackTraceEntry { |
1211 | const Decl *TheDecl; |
1212 | SourceLocation Loc; |
1213 | SourceManager &SM; |
1214 | const char *Message; |
1215 | |
1216 | public: |
1217 | PrettyStackTraceDecl(const Decl *theDecl, SourceLocation L, |
1218 | SourceManager &sm, const char *Msg) |
1219 | : TheDecl(theDecl), Loc(L), SM(sm), Message(Msg) {} |
1220 | |
1221 | void print(raw_ostream &OS) const override; |
1222 | }; |
1223 | |
1224 | /// The results of name lookup within a DeclContext. This is either a |
1225 | /// single result (with no stable storage) or a collection of results (with |
1226 | /// stable storage provided by the lookup table). |
1227 | class DeclContextLookupResult { |
1228 | using ResultTy = ArrayRef<NamedDecl *>; |
1229 | |
1230 | ResultTy Result; |
1231 | |
1232 | // If there is only one lookup result, it would be invalidated by |
1233 | // reallocations of the name table, so store it separately. |
1234 | NamedDecl *Single = nullptr; |
1235 | |
1236 | static NamedDecl *const SingleElementDummyList; |
1237 | |
1238 | public: |
1239 | DeclContextLookupResult() = default; |
1240 | DeclContextLookupResult(ArrayRef<NamedDecl *> Result) |
1241 | : Result(Result) {} |
1242 | DeclContextLookupResult(NamedDecl *Single) |
1243 | : Result(SingleElementDummyList), Single(Single) {} |
1244 | |
1245 | class iterator; |
1246 | |
1247 | using IteratorBase = |
1248 | llvm::iterator_adaptor_base<iterator, ResultTy::iterator, |
1249 | std::random_access_iterator_tag, |
1250 | NamedDecl *const>; |
1251 | |
1252 | class iterator : public IteratorBase { |
1253 | value_type SingleElement; |
1254 | |
1255 | public: |
1256 | explicit iterator(pointer Pos, value_type Single = nullptr) |
1257 | : IteratorBase(Pos), SingleElement(Single) {} |
1258 | |
1259 | reference operator*() const { |
1260 | return SingleElement ? SingleElement : IteratorBase::operator*(); |
1261 | } |
1262 | }; |
1263 | |
1264 | using const_iterator = iterator; |
1265 | using pointer = iterator::pointer; |
1266 | using reference = iterator::reference; |
1267 | |
1268 | iterator begin() const { return iterator(Result.begin(), Single); } |
1269 | iterator end() const { return iterator(Result.end(), Single); } |
1270 | |
1271 | bool empty() const { return Result.empty(); } |
1272 | pointer data() const { return Single ? &Single : Result.data(); } |
1273 | size_t size() const { return Single ? 1 : Result.size(); } |
1274 | reference front() const { return Single ? Single : Result.front(); } |
1275 | reference back() const { return Single ? Single : Result.back(); } |
1276 | reference operator[](size_t N) const { return Single ? Single : Result[N]; } |
1277 | |
1278 | // FIXME: Remove this from the interface |
1279 | DeclContextLookupResult slice(size_t N) const { |
1280 | DeclContextLookupResult Sliced = Result.slice(N); |
1281 | Sliced.Single = Single; |
1282 | return Sliced; |
1283 | } |
1284 | }; |
1285 | |
1286 | /// DeclContext - This is used only as base class of specific decl types that |
1287 | /// can act as declaration contexts. These decls are (only the top classes |
1288 | /// that directly derive from DeclContext are mentioned, not their subclasses): |
1289 | /// |
1290 | /// TranslationUnitDecl |
1291 | /// ExternCContext |
1292 | /// NamespaceDecl |
1293 | /// TagDecl |
1294 | /// OMPDeclareReductionDecl |
1295 | /// OMPDeclareMapperDecl |
1296 | /// FunctionDecl |
1297 | /// ObjCMethodDecl |
1298 | /// ObjCContainerDecl |
1299 | /// LinkageSpecDecl |
1300 | /// ExportDecl |
1301 | /// BlockDecl |
1302 | /// CapturedDecl |
1303 | class DeclContext { |
1304 | /// For makeDeclVisibleInContextImpl |
1305 | friend class ASTDeclReader; |
1306 | /// For reconcileExternalVisibleStorage, CreateStoredDeclsMap, |
1307 | /// hasNeedToReconcileExternalVisibleStorage |
1308 | friend class ExternalASTSource; |
1309 | /// For CreateStoredDeclsMap |
1310 | friend class DependentDiagnostic; |
1311 | /// For hasNeedToReconcileExternalVisibleStorage, |
1312 | /// hasLazyLocalLexicalLookups, hasLazyExternalLexicalLookups |
1313 | friend class ASTWriter; |
1314 | |
1315 | // We use uint64_t in the bit-fields below since some bit-fields |
1316 | // cross the unsigned boundary and this breaks the packing. |
1317 | |
1318 | /// Stores the bits used by DeclContext. |
1319 | /// If modified NumDeclContextBit, the ctor of DeclContext and the accessor |
1320 | /// methods in DeclContext should be updated appropriately. |
1321 | class DeclContextBitfields { |
1322 | friend class DeclContext; |
1323 | /// DeclKind - This indicates which class this is. |
1324 | uint64_t DeclKind : 7; |
1325 | |
1326 | /// Whether this declaration context also has some external |
1327 | /// storage that contains additional declarations that are lexically |
1328 | /// part of this context. |
1329 | mutable uint64_t ExternalLexicalStorage : 1; |
1330 | |
1331 | /// Whether this declaration context also has some external |
1332 | /// storage that contains additional declarations that are visible |
1333 | /// in this context. |
1334 | mutable uint64_t ExternalVisibleStorage : 1; |
1335 | |
1336 | /// Whether this declaration context has had externally visible |
1337 | /// storage added since the last lookup. In this case, \c LookupPtr's |
1338 | /// invariant may not hold and needs to be fixed before we perform |
1339 | /// another lookup. |
1340 | mutable uint64_t NeedToReconcileExternalVisibleStorage : 1; |
1341 | |
1342 | /// If \c true, this context may have local lexical declarations |
1343 | /// that are missing from the lookup table. |
1344 | mutable uint64_t HasLazyLocalLexicalLookups : 1; |
1345 | |
1346 | /// If \c true, the external source may have lexical declarations |
1347 | /// that are missing from the lookup table. |
1348 | mutable uint64_t HasLazyExternalLexicalLookups : 1; |
1349 | |
1350 | /// If \c true, lookups should only return identifier from |
1351 | /// DeclContext scope (for example TranslationUnit). Used in |
1352 | /// LookupQualifiedName() |
1353 | mutable uint64_t UseQualifiedLookup : 1; |
1354 | }; |
1355 | |
1356 | /// Number of bits in DeclContextBitfields. |
1357 | enum { NumDeclContextBits = 13 }; |
1358 | |
1359 | /// Stores the bits used by TagDecl. |
1360 | /// If modified NumTagDeclBits and the accessor |
1361 | /// methods in TagDecl should be updated appropriately. |
1362 | class TagDeclBitfields { |
1363 | friend class TagDecl; |
1364 | /// For the bits in DeclContextBitfields |
1365 | uint64_t : NumDeclContextBits; |
1366 | |
1367 | /// The TagKind enum. |
1368 | uint64_t TagDeclKind : 3; |
1369 | |
1370 | /// True if this is a definition ("struct foo {};"), false if it is a |
1371 | /// declaration ("struct foo;"). It is not considered a definition |
1372 | /// until the definition has been fully processed. |
1373 | uint64_t IsCompleteDefinition : 1; |
1374 | |
1375 | /// True if this is currently being defined. |
1376 | uint64_t IsBeingDefined : 1; |
1377 | |
1378 | /// True if this tag declaration is "embedded" (i.e., defined or declared |
1379 | /// for the very first time) in the syntax of a declarator. |
1380 | uint64_t IsEmbeddedInDeclarator : 1; |
1381 | |
1382 | /// True if this tag is free standing, e.g. "struct foo;". |
1383 | uint64_t IsFreeStanding : 1; |
1384 | |
1385 | /// Indicates whether it is possible for declarations of this kind |
1386 | /// to have an out-of-date definition. |
1387 | /// |
1388 | /// This option is only enabled when modules are enabled. |
1389 | uint64_t MayHaveOutOfDateDef : 1; |
1390 | |
1391 | /// Has the full definition of this type been required by a use somewhere in |
1392 | /// the TU. |
1393 | uint64_t IsCompleteDefinitionRequired : 1; |
1394 | }; |
1395 | |
1396 | /// Number of non-inherited bits in TagDeclBitfields. |
1397 | enum { NumTagDeclBits = 9 }; |
1398 | |
1399 | /// Stores the bits used by EnumDecl. |
1400 | /// If modified NumEnumDeclBit and the accessor |
1401 | /// methods in EnumDecl should be updated appropriately. |
1402 | class EnumDeclBitfields { |
1403 | friend class EnumDecl; |
1404 | /// For the bits in DeclContextBitfields. |
1405 | uint64_t : NumDeclContextBits; |
1406 | /// For the bits in TagDeclBitfields. |
1407 | uint64_t : NumTagDeclBits; |
1408 | |
1409 | /// Width in bits required to store all the non-negative |
1410 | /// enumerators of this enum. |
1411 | uint64_t NumPositiveBits : 8; |
1412 | |
1413 | /// Width in bits required to store all the negative |
1414 | /// enumerators of this enum. |
1415 | uint64_t NumNegativeBits : 8; |
1416 | |
1417 | /// True if this tag declaration is a scoped enumeration. Only |
1418 | /// possible in C++11 mode. |
1419 | uint64_t IsScoped : 1; |
1420 | |
1421 | /// If this tag declaration is a scoped enum, |
1422 | /// then this is true if the scoped enum was declared using the class |
1423 | /// tag, false if it was declared with the struct tag. No meaning is |
1424 | /// associated if this tag declaration is not a scoped enum. |
1425 | uint64_t IsScopedUsingClassTag : 1; |
1426 | |
1427 | /// True if this is an enumeration with fixed underlying type. Only |
1428 | /// possible in C++11, Microsoft extensions, or Objective C mode. |
1429 | uint64_t IsFixed : 1; |
1430 | |
1431 | /// True if a valid hash is stored in ODRHash. |
1432 | uint64_t HasODRHash : 1; |
1433 | }; |
1434 | |
1435 | /// Number of non-inherited bits in EnumDeclBitfields. |
1436 | enum { NumEnumDeclBits = 20 }; |
1437 | |
1438 | /// Stores the bits used by RecordDecl. |
1439 | /// If modified NumRecordDeclBits and the accessor |
1440 | /// methods in RecordDecl should be updated appropriately. |
1441 | class RecordDeclBitfields { |
1442 | friend class RecordDecl; |
1443 | /// For the bits in DeclContextBitfields. |
1444 | uint64_t : NumDeclContextBits; |
1445 | /// For the bits in TagDeclBitfields. |
1446 | uint64_t : NumTagDeclBits; |
1447 | |
1448 | /// This is true if this struct ends with a flexible |
1449 | /// array member (e.g. int X[]) or if this union contains a struct that does. |
1450 | /// If so, this cannot be contained in arrays or other structs as a member. |
1451 | uint64_t HasFlexibleArrayMember : 1; |
1452 | |
1453 | /// Whether this is the type of an anonymous struct or union. |
1454 | uint64_t AnonymousStructOrUnion : 1; |
1455 | |
1456 | /// This is true if this struct has at least one member |
1457 | /// containing an Objective-C object pointer type. |
1458 | uint64_t HasObjectMember : 1; |
1459 | |
1460 | /// This is true if struct has at least one member of |
1461 | /// 'volatile' type. |
1462 | uint64_t HasVolatileMember : 1; |
1463 | |
1464 | /// Whether the field declarations of this record have been loaded |
1465 | /// from external storage. To avoid unnecessary deserialization of |
1466 | /// methods/nested types we allow deserialization of just the fields |
1467 | /// when needed. |
1468 | mutable uint64_t LoadedFieldsFromExternalStorage : 1; |
1469 | |
1470 | /// Basic properties of non-trivial C structs. |
1471 | uint64_t NonTrivialToPrimitiveDefaultInitialize : 1; |
1472 | uint64_t NonTrivialToPrimitiveCopy : 1; |
1473 | uint64_t NonTrivialToPrimitiveDestroy : 1; |
1474 | |
1475 | /// The following bits indicate whether this is or contains a C union that |
1476 | /// is non-trivial to default-initialize, destruct, or copy. These bits |
1477 | /// imply the associated basic non-triviality predicates declared above. |
1478 | uint64_t HasNonTrivialToPrimitiveDefaultInitializeCUnion : 1; |
1479 | uint64_t HasNonTrivialToPrimitiveDestructCUnion : 1; |
1480 | uint64_t HasNonTrivialToPrimitiveCopyCUnion : 1; |
1481 | |
1482 | /// Indicates whether this struct is destroyed in the callee. |
1483 | uint64_t ParamDestroyedInCallee : 1; |
1484 | |
1485 | /// Represents the way this type is passed to a function. |
1486 | uint64_t ArgPassingRestrictions : 2; |
1487 | }; |
1488 | |
1489 | /// Number of non-inherited bits in RecordDeclBitfields. |
1490 | enum { NumRecordDeclBits = 14 }; |
1491 | |
1492 | /// Stores the bits used by OMPDeclareReductionDecl. |
1493 | /// If modified NumOMPDeclareReductionDeclBits and the accessor |
1494 | /// methods in OMPDeclareReductionDecl should be updated appropriately. |
1495 | class OMPDeclareReductionDeclBitfields { |
1496 | friend class OMPDeclareReductionDecl; |
1497 | /// For the bits in DeclContextBitfields |
1498 | uint64_t : NumDeclContextBits; |
1499 | |
1500 | /// Kind of initializer, |
1501 | /// function call or omp_priv<init_expr> initializtion. |
1502 | uint64_t InitializerKind : 2; |
1503 | }; |
1504 | |
1505 | /// Number of non-inherited bits in OMPDeclareReductionDeclBitfields. |
1506 | enum { NumOMPDeclareReductionDeclBits = 2 }; |
1507 | |
1508 | /// Stores the bits used by FunctionDecl. |
1509 | /// If modified NumFunctionDeclBits and the accessor |
1510 | /// methods in FunctionDecl and CXXDeductionGuideDecl |
1511 | /// (for IsCopyDeductionCandidate) should be updated appropriately. |
1512 | class FunctionDeclBitfields { |
1513 | friend class FunctionDecl; |
1514 | /// For IsCopyDeductionCandidate |
1515 | friend class CXXDeductionGuideDecl; |
1516 | /// For the bits in DeclContextBitfields. |
1517 | uint64_t : NumDeclContextBits; |
1518 | |
1519 | uint64_t SClass : 3; |
1520 | uint64_t IsInline : 1; |
1521 | uint64_t IsInlineSpecified : 1; |
1522 | |
1523 | uint64_t IsVirtualAsWritten : 1; |
1524 | uint64_t IsPure : 1; |
1525 | uint64_t HasInheritedPrototype : 1; |
1526 | uint64_t HasWrittenPrototype : 1; |
1527 | uint64_t IsDeleted : 1; |
1528 | /// Used by CXXMethodDecl |
1529 | uint64_t IsTrivial : 1; |
1530 | |
1531 | /// This flag indicates whether this function is trivial for the purpose of |
1532 | /// calls. This is meaningful only when this function is a copy/move |
1533 | /// constructor or a destructor. |
1534 | uint64_t IsTrivialForCall : 1; |
1535 | |
1536 | uint64_t IsDefaulted : 1; |
1537 | uint64_t IsExplicitlyDefaulted : 1; |
1538 | uint64_t HasDefaultedFunctionInfo : 1; |
1539 | uint64_t HasImplicitReturnZero : 1; |
1540 | uint64_t IsLateTemplateParsed : 1; |
1541 | |
1542 | /// Kind of contexpr specifier as defined by ConstexprSpecKind. |
1543 | uint64_t ConstexprKind : 2; |
1544 | uint64_t InstantiationIsPending : 1; |
1545 | |
1546 | /// Indicates if the function uses __try. |
1547 | uint64_t UsesSEHTry : 1; |
1548 | |
1549 | /// Indicates if the function was a definition |
1550 | /// but its body was skipped. |
1551 | uint64_t HasSkippedBody : 1; |
1552 | |
1553 | /// Indicates if the function declaration will |
1554 | /// have a body, once we're done parsing it. |
1555 | uint64_t WillHaveBody : 1; |
1556 | |
1557 | /// Indicates that this function is a multiversioned |
1558 | /// function using attribute 'target'. |
1559 | uint64_t IsMultiVersion : 1; |
1560 | |
1561 | /// [C++17] Only used by CXXDeductionGuideDecl. Indicates that |
1562 | /// the Deduction Guide is the implicitly generated 'copy |
1563 | /// deduction candidate' (is used during overload resolution). |
1564 | uint64_t IsCopyDeductionCandidate : 1; |
1565 | |
1566 | /// Store the ODRHash after first calculation. |
1567 | uint64_t HasODRHash : 1; |
1568 | |
1569 | /// Indicates if the function uses Floating Point Constrained Intrinsics |
1570 | uint64_t UsesFPIntrin : 1; |
1571 | }; |
1572 | |
1573 | /// Number of non-inherited bits in FunctionDeclBitfields. |
1574 | enum { NumFunctionDeclBits = 27 }; |
1575 | |
1576 | /// Stores the bits used by CXXConstructorDecl. If modified |
1577 | /// NumCXXConstructorDeclBits and the accessor |
1578 | /// methods in CXXConstructorDecl should be updated appropriately. |
1579 | class CXXConstructorDeclBitfields { |
1580 | friend class CXXConstructorDecl; |
1581 | /// For the bits in DeclContextBitfields. |
1582 | uint64_t : NumDeclContextBits; |
1583 | /// For the bits in FunctionDeclBitfields. |
1584 | uint64_t : NumFunctionDeclBits; |
1585 | |
1586 | /// 24 bits to fit in the remaining available space. |
1587 | /// Note that this makes CXXConstructorDeclBitfields take |
1588 | /// exactly 64 bits and thus the width of NumCtorInitializers |
1589 | /// will need to be shrunk if some bit is added to NumDeclContextBitfields, |
1590 | /// NumFunctionDeclBitfields or CXXConstructorDeclBitfields. |
1591 | uint64_t NumCtorInitializers : 21; |
1592 | uint64_t IsInheritingConstructor : 1; |
1593 | |
1594 | /// Whether this constructor has a trail-allocated explicit specifier. |
1595 | uint64_t HasTrailingExplicitSpecifier : 1; |
1596 | /// If this constructor does't have a trail-allocated explicit specifier. |
1597 | /// Whether this constructor is explicit specified. |
1598 | uint64_t IsSimpleExplicit : 1; |
1599 | }; |
1600 | |
1601 | /// Number of non-inherited bits in CXXConstructorDeclBitfields. |
1602 | enum { |
1603 | NumCXXConstructorDeclBits = 64 - NumDeclContextBits - NumFunctionDeclBits |
1604 | }; |
1605 | |
1606 | /// Stores the bits used by ObjCMethodDecl. |
1607 | /// If modified NumObjCMethodDeclBits and the accessor |
1608 | /// methods in ObjCMethodDecl should be updated appropriately. |
1609 | class ObjCMethodDeclBitfields { |
1610 | friend class ObjCMethodDecl; |
1611 | |
1612 | /// For the bits in DeclContextBitfields. |
1613 | uint64_t : NumDeclContextBits; |
1614 | |
1615 | /// The conventional meaning of this method; an ObjCMethodFamily. |
1616 | /// This is not serialized; instead, it is computed on demand and |
1617 | /// cached. |
1618 | mutable uint64_t Family : ObjCMethodFamilyBitWidth; |
1619 | |
1620 | /// instance (true) or class (false) method. |
1621 | uint64_t IsInstance : 1; |
1622 | uint64_t IsVariadic : 1; |
1623 | |
1624 | /// True if this method is the getter or setter for an explicit property. |
1625 | uint64_t IsPropertyAccessor : 1; |
1626 | |
1627 | /// True if this method is a synthesized property accessor stub. |
1628 | uint64_t IsSynthesizedAccessorStub : 1; |
1629 | |
1630 | /// Method has a definition. |
1631 | uint64_t IsDefined : 1; |
1632 | |
1633 | /// Method redeclaration in the same interface. |
1634 | uint64_t IsRedeclaration : 1; |
1635 | |
1636 | /// Is redeclared in the same interface. |
1637 | mutable uint64_t HasRedeclaration : 1; |
1638 | |
1639 | /// \@required/\@optional |
1640 | uint64_t DeclImplementation : 2; |
1641 | |
1642 | /// in, inout, etc. |
1643 | uint64_t objcDeclQualifier : 7; |
1644 | |
1645 | /// Indicates whether this method has a related result type. |
1646 | uint64_t RelatedResultType : 1; |
1647 | |
1648 | /// Whether the locations of the selector identifiers are in a |
1649 | /// "standard" position, a enum SelectorLocationsKind. |
1650 | uint64_t SelLocsKind : 2; |
1651 | |
1652 | /// Whether this method overrides any other in the class hierarchy. |
1653 | /// |
1654 | /// A method is said to override any method in the class's |
1655 | /// base classes, its protocols, or its categories' protocols, that has |
1656 | /// the same selector and is of the same kind (class or instance). |
1657 | /// A method in an implementation is not considered as overriding the same |
1658 | /// method in the interface or its categories. |
1659 | uint64_t IsOverriding : 1; |
1660 | |
1661 | /// Indicates if the method was a definition but its body was skipped. |
1662 | uint64_t HasSkippedBody : 1; |
1663 | }; |
1664 | |
1665 | /// Number of non-inherited bits in ObjCMethodDeclBitfields. |
1666 | enum { NumObjCMethodDeclBits = 24 }; |
1667 | |
1668 | /// Stores the bits used by ObjCContainerDecl. |
1669 | /// If modified NumObjCContainerDeclBits and the accessor |
1670 | /// methods in ObjCContainerDecl should be updated appropriately. |
1671 | class ObjCContainerDeclBitfields { |
1672 | friend class ObjCContainerDecl; |
1673 | /// For the bits in DeclContextBitfields |
1674 | uint32_t : NumDeclContextBits; |
1675 | |
1676 | // Not a bitfield but this saves space. |
1677 | // Note that ObjCContainerDeclBitfields is full. |
1678 | SourceLocation AtStart; |
1679 | }; |
1680 | |
1681 | /// Number of non-inherited bits in ObjCContainerDeclBitfields. |
1682 | /// Note that here we rely on the fact that SourceLocation is 32 bits |
1683 | /// wide. We check this with the static_assert in the ctor of DeclContext. |
1684 | enum { NumObjCContainerDeclBits = 64 - NumDeclContextBits }; |
1685 | |
1686 | /// Stores the bits used by LinkageSpecDecl. |
1687 | /// If modified NumLinkageSpecDeclBits and the accessor |
1688 | /// methods in LinkageSpecDecl should be updated appropriately. |
1689 | class LinkageSpecDeclBitfields { |
1690 | friend class LinkageSpecDecl; |
1691 | /// For the bits in DeclContextBitfields. |
1692 | uint64_t : NumDeclContextBits; |
1693 | |
1694 | /// The language for this linkage specification with values |
1695 | /// in the enum LinkageSpecDecl::LanguageIDs. |
1696 | uint64_t Language : 3; |
1697 | |
1698 | /// True if this linkage spec has braces. |
1699 | /// This is needed so that hasBraces() returns the correct result while the |
1700 | /// linkage spec body is being parsed. Once RBraceLoc has been set this is |
1701 | /// not used, so it doesn't need to be serialized. |
1702 | uint64_t HasBraces : 1; |
1703 | }; |
1704 | |
1705 | /// Number of non-inherited bits in LinkageSpecDeclBitfields. |
1706 | enum { NumLinkageSpecDeclBits = 4 }; |
1707 | |
1708 | /// Stores the bits used by BlockDecl. |
1709 | /// If modified NumBlockDeclBits and the accessor |
1710 | /// methods in BlockDecl should be updated appropriately. |
1711 | class BlockDeclBitfields { |
1712 | friend class BlockDecl; |
1713 | /// For the bits in DeclContextBitfields. |
1714 | uint64_t : NumDeclContextBits; |
1715 | |
1716 | uint64_t IsVariadic : 1; |
1717 | uint64_t CapturesCXXThis : 1; |
1718 | uint64_t BlockMissingReturnType : 1; |
1719 | uint64_t IsConversionFromLambda : 1; |
1720 | |
1721 | /// A bit that indicates this block is passed directly to a function as a |
1722 | /// non-escaping parameter. |
1723 | uint64_t DoesNotEscape : 1; |
1724 | |
1725 | /// A bit that indicates whether it's possible to avoid coying this block to |
1726 | /// the heap when it initializes or is assigned to a local variable with |
1727 | /// automatic storage. |
1728 | uint64_t CanAvoidCopyToHeap : 1; |
1729 | }; |
1730 | |
1731 | /// Number of non-inherited bits in BlockDeclBitfields. |
1732 | enum { NumBlockDeclBits = 5 }; |
1733 | |
1734 | /// Pointer to the data structure used to lookup declarations |
1735 | /// within this context (or a DependentStoredDeclsMap if this is a |
1736 | /// dependent context). We maintain the invariant that, if the map |
1737 | /// contains an entry for a DeclarationName (and we haven't lazily |
1738 | /// omitted anything), then it contains all relevant entries for that |
1739 | /// name (modulo the hasExternalDecls() flag). |
1740 | mutable StoredDeclsMap *LookupPtr = nullptr; |
1741 | |
1742 | protected: |
1743 | /// This anonymous union stores the bits belonging to DeclContext and classes |
1744 | /// deriving from it. The goal is to use otherwise wasted |
1745 | /// space in DeclContext to store data belonging to derived classes. |
1746 | /// The space saved is especially significient when pointers are aligned |
1747 | /// to 8 bytes. In this case due to alignment requirements we have a |
1748 | /// little less than 8 bytes free in DeclContext which we can use. |
1749 | /// We check that none of the classes in this union is larger than |
1750 | /// 8 bytes with static_asserts in the ctor of DeclContext. |
1751 | union { |
1752 | DeclContextBitfields DeclContextBits; |
1753 | TagDeclBitfields TagDeclBits; |
1754 | EnumDeclBitfields EnumDeclBits; |
1755 | RecordDeclBitfields RecordDeclBits; |
1756 | OMPDeclareReductionDeclBitfields OMPDeclareReductionDeclBits; |
1757 | FunctionDeclBitfields FunctionDeclBits; |
1758 | CXXConstructorDeclBitfields CXXConstructorDeclBits; |
1759 | ObjCMethodDeclBitfields ObjCMethodDeclBits; |
1760 | ObjCContainerDeclBitfields ObjCContainerDeclBits; |
1761 | LinkageSpecDeclBitfields LinkageSpecDeclBits; |
1762 | BlockDeclBitfields BlockDeclBits; |
1763 | |
1764 | static_assert(sizeof(DeclContextBitfields) <= 8, |
1765 | "DeclContextBitfields is larger than 8 bytes!"); |
1766 | static_assert(sizeof(TagDeclBitfields) <= 8, |
1767 | "TagDeclBitfields is larger than 8 bytes!"); |
1768 | static_assert(sizeof(EnumDeclBitfields) <= 8, |
1769 | "EnumDeclBitfields is larger than 8 bytes!"); |
1770 | static_assert(sizeof(RecordDeclBitfields) <= 8, |
1771 | "RecordDeclBitfields is larger than 8 bytes!"); |
1772 | static_assert(sizeof(OMPDeclareReductionDeclBitfields) <= 8, |
1773 | "OMPDeclareReductionDeclBitfields is larger than 8 bytes!"); |
1774 | static_assert(sizeof(FunctionDeclBitfields) <= 8, |
1775 | "FunctionDeclBitfields is larger than 8 bytes!"); |
1776 | static_assert(sizeof(CXXConstructorDeclBitfields) <= 8, |
1777 | "CXXConstructorDeclBitfields is larger than 8 bytes!"); |
1778 | static_assert(sizeof(ObjCMethodDeclBitfields) <= 8, |
1779 | "ObjCMethodDeclBitfields is larger than 8 bytes!"); |
1780 | static_assert(sizeof(ObjCContainerDeclBitfields) <= 8, |
1781 | "ObjCContainerDeclBitfields is larger than 8 bytes!"); |
1782 | static_assert(sizeof(LinkageSpecDeclBitfields) <= 8, |
1783 | "LinkageSpecDeclBitfields is larger than 8 bytes!"); |
1784 | static_assert(sizeof(BlockDeclBitfields) <= 8, |
1785 | "BlockDeclBitfields is larger than 8 bytes!"); |
1786 | }; |
1787 | |
1788 | /// FirstDecl - The first declaration stored within this declaration |
1789 | /// context. |
1790 | mutable Decl *FirstDecl = nullptr; |
1791 | |
1792 | /// LastDecl - The last declaration stored within this declaration |
1793 | /// context. FIXME: We could probably cache this value somewhere |
1794 | /// outside of the DeclContext, to reduce the size of DeclContext by |
1795 | /// another pointer. |
1796 | mutable Decl *LastDecl = nullptr; |
1797 | |
1798 | /// Build up a chain of declarations. |
1799 | /// |
1800 | /// \returns the first/last pair of declarations. |
1801 | static std::pair<Decl *, Decl *> |
1802 | BuildDeclChain(ArrayRef<Decl*> Decls, bool FieldsAlreadyLoaded); |
1803 | |
1804 | DeclContext(Decl::Kind K); |
1805 | |
1806 | public: |
1807 | ~DeclContext(); |
1808 | |
1809 | Decl::Kind getDeclKind() const { |
1810 | return static_cast<Decl::Kind>(DeclContextBits.DeclKind); |
1811 | } |
1812 | |
1813 | const char *getDeclKindName() const; |
1814 | |
1815 | /// getParent - Returns the containing DeclContext. |
1816 | DeclContext *getParent() { |
1817 | return cast<Decl>(this)->getDeclContext(); |
1818 | } |
1819 | const DeclContext *getParent() const { |
1820 | return const_cast<DeclContext*>(this)->getParent(); |
1821 | } |
1822 | |
1823 | /// getLexicalParent - Returns the containing lexical DeclContext. May be |
1824 | /// different from getParent, e.g.: |
1825 | /// |
1826 | /// namespace A { |
1827 | /// struct S; |
1828 | /// } |
1829 | /// struct A::S {}; // getParent() == namespace 'A' |
1830 | /// // getLexicalParent() == translation unit |
1831 | /// |
1832 | DeclContext *getLexicalParent() { |
1833 | return cast<Decl>(this)->getLexicalDeclContext(); |
1834 | } |
1835 | const DeclContext *getLexicalParent() const { |
1836 | return const_cast<DeclContext*>(this)->getLexicalParent(); |
1837 | } |
1838 | |
1839 | DeclContext *getLookupParent(); |
1840 | |
1841 | const DeclContext *getLookupParent() const { |
1842 | return const_cast<DeclContext*>(this)->getLookupParent(); |
1843 | } |
1844 | |
1845 | ASTContext &getParentASTContext() const { |
1846 | return cast<Decl>(this)->getASTContext(); |
1847 | } |
1848 | |
1849 | bool isClosure() const { return getDeclKind() == Decl::Block; } |
1850 | |
1851 | /// Return this DeclContext if it is a BlockDecl. Otherwise, return the |
1852 | /// innermost enclosing BlockDecl or null if there are no enclosing blocks. |
1853 | const BlockDecl *getInnermostBlockDecl() const; |
1854 | |
1855 | bool isObjCContainer() const { |
1856 | switch (getDeclKind()) { |
1857 | case Decl::ObjCCategory: |
1858 | case Decl::ObjCCategoryImpl: |
1859 | case Decl::ObjCImplementation: |
1860 | case Decl::ObjCInterface: |
1861 | case Decl::ObjCProtocol: |
1862 | return true; |
1863 | default: |
1864 | return false; |
1865 | } |
1866 | } |
1867 | |
1868 | bool isFunctionOrMethod() const { |
1869 | switch (getDeclKind()) { |
1870 | case Decl::Block: |
1871 | case Decl::Captured: |
1872 | case Decl::ObjCMethod: |
1873 | return true; |
1874 | default: |
1875 | return getDeclKind() >= Decl::firstFunction && |
1876 | getDeclKind() <= Decl::lastFunction; |
1877 | } |
1878 | } |
1879 | |
1880 | /// Test whether the context supports looking up names. |
1881 | bool isLookupContext() const { |
1882 | return !isFunctionOrMethod() && getDeclKind() != Decl::LinkageSpec && |
1883 | getDeclKind() != Decl::Export; |
1884 | } |
1885 | |
1886 | bool isFileContext() const { |
1887 | return getDeclKind() == Decl::TranslationUnit || |
1888 | getDeclKind() == Decl::Namespace; |
1889 | } |
1890 | |
1891 | bool isTranslationUnit() const { |
1892 | return getDeclKind() == Decl::TranslationUnit; |
1893 | } |
1894 | |
1895 | bool isRecord() const { |
1896 | return getDeclKind() >= Decl::firstRecord && |
1897 | getDeclKind() <= Decl::lastRecord; |
1898 | } |
1899 | |
1900 | bool isNamespace() const { return getDeclKind() == Decl::Namespace; } |
1901 | |
1902 | bool isStdNamespace() const; |
1903 | |
1904 | bool isInlineNamespace() const; |
1905 | |
1906 | /// Determines whether this context is dependent on a |
1907 | /// template parameter. |
1908 | bool isDependentContext() const; |
1909 | |
1910 | /// isTransparentContext - Determines whether this context is a |
1911 | /// "transparent" context, meaning that the members declared in this |
1912 | /// context are semantically declared in the nearest enclosing |
1913 | /// non-transparent (opaque) context but are lexically declared in |
1914 | /// this context. For example, consider the enumerators of an |
1915 | /// enumeration type: |
1916 | /// @code |
1917 | /// enum E { |
1918 | /// Val1 |
1919 | /// }; |
1920 | /// @endcode |
1921 | /// Here, E is a transparent context, so its enumerator (Val1) will |
1922 | /// appear (semantically) that it is in the same context of E. |
1923 | /// Examples of transparent contexts include: enumerations (except for |
1924 | /// C++0x scoped enums), and C++ linkage specifications. |
1925 | bool isTransparentContext() const; |
1926 | |
1927 | /// Determines whether this context or some of its ancestors is a |
1928 | /// linkage specification context that specifies C linkage. |
1929 | bool isExternCContext() const; |
1930 | |
1931 | /// Retrieve the nearest enclosing C linkage specification context. |
1932 | const LinkageSpecDecl *getExternCContext() const; |
1933 | |
1934 | /// Determines whether this context or some of its ancestors is a |
1935 | /// linkage specification context that specifies C++ linkage. |
1936 | bool isExternCXXContext() const; |
1937 | |
1938 | /// Determine whether this declaration context is equivalent |
1939 | /// to the declaration context DC. |
1940 | bool Equals(const DeclContext *DC) const { |
1941 | return DC && this->getPrimaryContext() == DC->getPrimaryContext(); |
1942 | } |
1943 | |
1944 | /// Determine whether this declaration context encloses the |
1945 | /// declaration context DC. |
1946 | bool Encloses(const DeclContext *DC) const; |
1947 | |
1948 | /// Find the nearest non-closure ancestor of this context, |
1949 | /// i.e. the innermost semantic parent of this context which is not |
1950 | /// a closure. A context may be its own non-closure ancestor. |
1951 | Decl *getNonClosureAncestor(); |
1952 | const Decl *getNonClosureAncestor() const { |
1953 | return const_cast<DeclContext*>(this)->getNonClosureAncestor(); |
1954 | } |
1955 | |
1956 | /// getPrimaryContext - There may be many different |
1957 | /// declarations of the same entity (including forward declarations |
1958 | /// of classes, multiple definitions of namespaces, etc.), each with |
1959 | /// a different set of declarations. This routine returns the |
1960 | /// "primary" DeclContext structure, which will contain the |
1961 | /// information needed to perform name lookup into this context. |
1962 | DeclContext *getPrimaryContext(); |
1963 | const DeclContext *getPrimaryContext() const { |
1964 | return const_cast<DeclContext*>(this)->getPrimaryContext(); |
1965 | } |
1966 | |
1967 | /// getRedeclContext - Retrieve the context in which an entity conflicts with |
1968 | /// other entities of the same name, or where it is a redeclaration if the |
1969 | /// two entities are compatible. This skips through transparent contexts. |
1970 | DeclContext *getRedeclContext(); |
1971 | const DeclContext *getRedeclContext() const { |
1972 | return const_cast<DeclContext *>(this)->getRedeclContext(); |
1973 | } |
1974 | |
1975 | /// Retrieve the nearest enclosing namespace context. |
1976 | DeclContext *getEnclosingNamespaceContext(); |
1977 | const DeclContext *getEnclosingNamespaceContext() const { |
1978 | return const_cast<DeclContext *>(this)->getEnclosingNamespaceContext(); |
1979 | } |
1980 | |
1981 | /// Retrieve the outermost lexically enclosing record context. |
1982 | RecordDecl *getOuterLexicalRecordContext(); |
1983 | const RecordDecl *getOuterLexicalRecordContext() const { |
1984 | return const_cast<DeclContext *>(this)->getOuterLexicalRecordContext(); |
1985 | } |
1986 | |
1987 | /// Test if this context is part of the enclosing namespace set of |
1988 | /// the context NS, as defined in C++0x [namespace.def]p9. If either context |
1989 | /// isn't a namespace, this is equivalent to Equals(). |
1990 | /// |
1991 | /// The enclosing namespace set of a namespace is the namespace and, if it is |
1992 | /// inline, its enclosing namespace, recursively. |
1993 | bool InEnclosingNamespaceSetOf(const DeclContext *NS) const; |
1994 | |
1995 | /// Collects all of the declaration contexts that are semantically |
1996 | /// connected to this declaration context. |
1997 | /// |
1998 | /// For declaration contexts that have multiple semantically connected but |
1999 | /// syntactically distinct contexts, such as C++ namespaces, this routine |
2000 | /// retrieves the complete set of such declaration contexts in source order. |
2001 | /// For example, given: |
2002 | /// |
2003 | /// \code |
2004 | /// namespace N { |
2005 | /// int x; |
2006 | /// } |
2007 | /// namespace N { |
2008 | /// int y; |
2009 | /// } |
2010 | /// \endcode |
2011 | /// |
2012 | /// The \c Contexts parameter will contain both definitions of N. |
2013 | /// |
2014 | /// \param Contexts Will be cleared and set to the set of declaration |
2015 | /// contexts that are semanticaly connected to this declaration context, |
2016 | /// in source order, including this context (which may be the only result, |
2017 | /// for non-namespace contexts). |
2018 | void collectAllContexts(SmallVectorImpl<DeclContext *> &Contexts); |
2019 | |
2020 | /// decl_iterator - Iterates through the declarations stored |
2021 | /// within this context. |
2022 | class decl_iterator { |
2023 | /// Current - The current declaration. |
2024 | Decl *Current = nullptr; |
2025 | |
2026 | public: |
2027 | using value_type = Decl *; |
2028 | using reference = const value_type &; |
2029 | using pointer = const value_type *; |
2030 | using iterator_category = std::forward_iterator_tag; |
2031 | using difference_type = std::ptrdiff_t; |
2032 | |
2033 | decl_iterator() = default; |
2034 | explicit decl_iterator(Decl *C) : Current(C) {} |
2035 | |
2036 | reference operator*() const { return Current; } |
2037 | |
2038 | // This doesn't meet the iterator requirements, but it's convenient |
2039 | value_type operator->() const { return Current; } |
2040 | |
2041 | decl_iterator& operator++() { |
2042 | Current = Current->getNextDeclInContext(); |
2043 | return *this; |
2044 | } |
2045 | |
2046 | decl_iterator operator++(int) { |
2047 | decl_iterator tmp(*this); |
2048 | ++(*this); |
2049 | return tmp; |
2050 | } |
2051 | |
2052 | friend bool operator==(decl_iterator x, decl_iterator y) { |
2053 | return x.Current == y.Current; |
2054 | } |
2055 | |
2056 | friend bool operator!=(decl_iterator x, decl_iterator y) { |
2057 | return x.Current != y.Current; |
2058 | } |
2059 | }; |
2060 | |
2061 | using decl_range = llvm::iterator_range<decl_iterator>; |
2062 | |
2063 | /// decls_begin/decls_end - Iterate over the declarations stored in |
2064 | /// this context. |
2065 | decl_range decls() const { return decl_range(decls_begin(), decls_end()); } |
2066 | decl_iterator decls_begin() const; |
2067 | decl_iterator decls_end() const { return decl_iterator(); } |
2068 | bool decls_empty() const; |
2069 | |
2070 | /// noload_decls_begin/end - Iterate over the declarations stored in this |
2071 | /// context that are currently loaded; don't attempt to retrieve anything |
2072 | /// from an external source. |
2073 | decl_range noload_decls() const { |
2074 | return decl_range(noload_decls_begin(), noload_decls_end()); |
2075 | } |
2076 | decl_iterator noload_decls_begin() const { return decl_iterator(FirstDecl); } |
2077 | decl_iterator noload_decls_end() const { return decl_iterator(); } |
2078 | |
2079 | /// specific_decl_iterator - Iterates over a subrange of |
2080 | /// declarations stored in a DeclContext, providing only those that |
2081 | /// are of type SpecificDecl (or a class derived from it). This |
2082 | /// iterator is used, for example, to provide iteration over just |
2083 | /// the fields within a RecordDecl (with SpecificDecl = FieldDecl). |
2084 | template<typename SpecificDecl> |
2085 | class specific_decl_iterator { |
2086 | /// Current - The current, underlying declaration iterator, which |
2087 | /// will either be NULL or will point to a declaration of |
2088 | /// type SpecificDecl. |
2089 | DeclContext::decl_iterator Current; |
2090 | |
2091 | /// SkipToNextDecl - Advances the current position up to the next |
2092 | /// declaration of type SpecificDecl that also meets the criteria |
2093 | /// required by Acceptable. |
2094 | void SkipToNextDecl() { |
2095 | while (*Current && !isa<SpecificDecl>(*Current)) |
2096 | ++Current; |
2097 | } |
2098 | |
2099 | public: |
2100 | using value_type = SpecificDecl *; |
2101 | // TODO: Add reference and pointer types (with some appropriate proxy type) |
2102 | // if we ever have a need for them. |
2103 | using reference = void; |
2104 | using pointer = void; |
2105 | using difference_type = |
2106 | std::iterator_traits<DeclContext::decl_iterator>::difference_type; |
2107 | using iterator_category = std::forward_iterator_tag; |
2108 | |
2109 | specific_decl_iterator() = default; |
2110 | |
2111 | /// specific_decl_iterator - Construct a new iterator over a |
2112 | /// subset of the declarations the range [C, |
2113 | /// end-of-declarations). If A is non-NULL, it is a pointer to a |
2114 | /// member function of SpecificDecl that should return true for |
2115 | /// all of the SpecificDecl instances that will be in the subset |
2116 | /// of iterators. For example, if you want Objective-C instance |
2117 | /// methods, SpecificDecl will be ObjCMethodDecl and A will be |
2118 | /// &ObjCMethodDecl::isInstanceMethod. |
2119 | explicit specific_decl_iterator(DeclContext::decl_iterator C) : Current(C) { |
2120 | SkipToNextDecl(); |
2121 | } |
2122 | |
2123 | value_type operator*() const { return cast<SpecificDecl>(*Current); } |
2124 | |
2125 | // This doesn't meet the iterator requirements, but it's convenient |
2126 | value_type operator->() const { return **this; } |
2127 | |
2128 | specific_decl_iterator& operator++() { |
2129 | ++Current; |
2130 | SkipToNextDecl(); |
2131 | return *this; |
2132 | } |
2133 | |
2134 | specific_decl_iterator operator++(int) { |
2135 | specific_decl_iterator tmp(*this); |
2136 | ++(*this); |
2137 | return tmp; |
2138 | } |
2139 | |
2140 | friend bool operator==(const specific_decl_iterator& x, |
2141 | const specific_decl_iterator& y) { |
2142 | return x.Current == y.Current; |
2143 | } |
2144 | |
2145 | friend bool operator!=(const specific_decl_iterator& x, |
2146 | const specific_decl_iterator& y) { |
2147 | return x.Current != y.Current; |
2148 | } |
2149 | }; |
2150 | |
2151 | /// Iterates over a filtered subrange of declarations stored |
2152 | /// in a DeclContext. |
2153 | /// |
2154 | /// This iterator visits only those declarations that are of type |
2155 | /// SpecificDecl (or a class derived from it) and that meet some |
2156 | /// additional run-time criteria. This iterator is used, for |
2157 | /// example, to provide access to the instance methods within an |
2158 | /// Objective-C interface (with SpecificDecl = ObjCMethodDecl and |
2159 | /// Acceptable = ObjCMethodDecl::isInstanceMethod). |
2160 | template<typename SpecificDecl, bool (SpecificDecl::*Acceptable)() const> |
2161 | class filtered_decl_iterator { |
2162 | /// Current - The current, underlying declaration iterator, which |
2163 | /// will either be NULL or will point to a declaration of |
2164 | /// type SpecificDecl. |
2165 | DeclContext::decl_iterator Current; |
2166 | |
2167 | /// SkipToNextDecl - Advances the current position up to the next |
2168 | /// declaration of type SpecificDecl that also meets the criteria |
2169 | /// required by Acceptable. |
2170 | void SkipToNextDecl() { |
2171 | while (*Current && |
2172 | (!isa<SpecificDecl>(*Current) || |
2173 | (Acceptable && !(cast<SpecificDecl>(*Current)->*Acceptable)()))) |
2174 | ++Current; |
2175 | } |
2176 | |
2177 | public: |
2178 | using value_type = SpecificDecl *; |
2179 | // TODO: Add reference and pointer types (with some appropriate proxy type) |
2180 | // if we ever have a need for them. |
2181 | using reference = void; |
2182 | using pointer = void; |
2183 | using difference_type = |
2184 | std::iterator_traits<DeclContext::decl_iterator>::difference_type; |
2185 | using iterator_category = std::forward_iterator_tag; |
2186 | |
2187 | filtered_decl_iterator() = default; |
2188 | |
2189 | /// filtered_decl_iterator - Construct a new iterator over a |
2190 | /// subset of the declarations the range [C, |
2191 | /// end-of-declarations). If A is non-NULL, it is a pointer to a |
2192 | /// member function of SpecificDecl that should return true for |
2193 | /// all of the SpecificDecl instances that will be in the subset |
2194 | /// of iterators. For example, if you want Objective-C instance |
2195 | /// methods, SpecificDecl will be ObjCMethodDecl and A will be |
2196 | /// &ObjCMethodDecl::isInstanceMethod. |
2197 | explicit filtered_decl_iterator(DeclContext::decl_iterator C) : Current(C) { |
2198 | SkipToNextDecl(); |
2199 | } |
2200 | |
2201 | value_type operator*() const { return cast<SpecificDecl>(*Current); } |
2202 | value_type operator->() const { return cast<SpecificDecl>(*Current); } |
2203 | |
2204 | filtered_decl_iterator& operator++() { |
2205 | ++Current; |
2206 | SkipToNextDecl(); |
2207 | return *this; |
2208 | } |
2209 | |
2210 | filtered_decl_iterator operator++(int) { |
2211 | filtered_decl_iterator tmp(*this); |
2212 | ++(*this); |
2213 | return tmp; |
2214 | } |
2215 | |
2216 | friend bool operator==(const filtered_decl_iterator& x, |
2217 | const filtered_decl_iterator& y) { |
2218 | return x.Current == y.Current; |
2219 | } |
2220 | |
2221 | friend bool operator!=(const filtered_decl_iterator& x, |
2222 | const filtered_decl_iterator& y) { |
2223 | return x.Current != y.Current; |
2224 | } |
2225 | }; |
2226 | |
2227 | /// Add the declaration D into this context. |
2228 | /// |
2229 | /// This routine should be invoked when the declaration D has first |
2230 | /// been declared, to place D into the context where it was |
2231 | /// (lexically) defined. Every declaration must be added to one |
2232 | /// (and only one!) context, where it can be visited via |
2233 | /// [decls_begin(), decls_end()). Once a declaration has been added |
2234 | /// to its lexical context, the corresponding DeclContext owns the |
2235 | /// declaration. |
2236 | /// |
2237 | /// If D is also a NamedDecl, it will be made visible within its |
2238 | /// semantic context via makeDeclVisibleInContext. |
2239 | void addDecl(Decl *D); |
2240 | |
2241 | /// Add the declaration D into this context, but suppress |
2242 | /// searches for external declarations with the same name. |
2243 | /// |
2244 | /// Although analogous in function to addDecl, this removes an |
2245 | /// important check. This is only useful if the Decl is being |
2246 | /// added in response to an external search; in all other cases, |
2247 | /// addDecl() is the right function to use. |
2248 | /// See the ASTImporter for use cases. |
2249 | void addDeclInternal(Decl *D); |
2250 | |
2251 | /// Add the declaration D to this context without modifying |
2252 | /// any lookup tables. |
2253 | /// |
2254 | /// This is useful for some operations in dependent contexts where |
2255 | /// the semantic context might not be dependent; this basically |
2256 | /// only happens with friends. |
2257 | void addHiddenDecl(Decl *D); |
2258 | |
2259 | /// Removes a declaration from this context. |
2260 | void removeDecl(Decl *D); |
2261 | |
2262 | /// Checks whether a declaration is in this context. |
2263 | bool containsDecl(Decl *D) const; |
2264 | |
2265 | /// Checks whether a declaration is in this context. |
2266 | /// This also loads the Decls from the external source before the check. |
2267 | bool containsDeclAndLoad(Decl *D) const; |
2268 | |
2269 | using lookup_result = DeclContextLookupResult; |
2270 | using lookup_iterator = lookup_result::iterator; |
2271 | |
2272 | /// lookup - Find the declarations (if any) with the given Name in |
2273 | /// this context. Returns a range of iterators that contains all of |
2274 | /// the declarations with this name, with object, function, member, |
2275 | /// and enumerator names preceding any tag name. Note that this |
2276 | /// routine will not look into parent contexts. |
2277 | lookup_result lookup(DeclarationName Name) const; |
2278 | |
2279 | /// Find the declarations with the given name that are visible |
2280 | /// within this context; don't attempt to retrieve anything from an |
2281 | /// external source. |
2282 | lookup_result noload_lookup(DeclarationName Name); |
2283 | |
2284 | /// A simplistic name lookup mechanism that performs name lookup |
2285 | /// into this declaration context without consulting the external source. |
2286 | /// |
2287 | /// This function should almost never be used, because it subverts the |
2288 | /// usual relationship between a DeclContext and the external source. |
2289 | /// See the ASTImporter for the (few, but important) use cases. |
2290 | /// |
2291 | /// FIXME: This is very inefficient; replace uses of it with uses of |
2292 | /// noload_lookup. |
2293 | void localUncachedLookup(DeclarationName Name, |
2294 | SmallVectorImpl<NamedDecl *> &Results); |
2295 | |
2296 | /// Makes a declaration visible within this context. |
2297 | /// |
2298 | /// This routine makes the declaration D visible to name lookup |
2299 | /// within this context and, if this is a transparent context, |
2300 | /// within its parent contexts up to the first enclosing |
2301 | /// non-transparent context. Making a declaration visible within a |
2302 | /// context does not transfer ownership of a declaration, and a |
2303 | /// declaration can be visible in many contexts that aren't its |
2304 | /// lexical context. |
2305 | /// |
2306 | /// If D is a redeclaration of an existing declaration that is |
2307 | /// visible from this context, as determined by |
2308 | /// NamedDecl::declarationReplaces, the previous declaration will be |
2309 | /// replaced with D. |
2310 | void makeDeclVisibleInContext(NamedDecl *D); |
2311 | |
2312 | /// all_lookups_iterator - An iterator that provides a view over the results |
2313 | /// of looking up every possible name. |
2314 | class all_lookups_iterator; |
2315 | |
2316 | using lookups_range = llvm::iterator_range<all_lookups_iterator>; |
2317 | |
2318 | lookups_range lookups() const; |
2319 | // Like lookups(), but avoids loading external declarations. |
2320 | // If PreserveInternalState, avoids building lookup data structures too. |
2321 | lookups_range noload_lookups(bool PreserveInternalState) const; |
2322 | |
2323 | /// Iterators over all possible lookups within this context. |
2324 | all_lookups_iterator lookups_begin() const; |
2325 | all_lookups_iterator lookups_end() const; |
2326 | |
2327 | /// Iterators over all possible lookups within this context that are |
2328 | /// currently loaded; don't attempt to retrieve anything from an external |
2329 | /// source. |
2330 | all_lookups_iterator noload_lookups_begin() const; |
2331 | all_lookups_iterator noload_lookups_end() const; |
2332 | |
2333 | struct udir_iterator; |
2334 | |
2335 | using udir_iterator_base = |
2336 | llvm::iterator_adaptor_base<udir_iterator, lookup_iterator, |
2337 | std::random_access_iterator_tag, |
2338 | UsingDirectiveDecl *>; |
2339 | |
2340 | struct udir_iterator : udir_iterator_base { |
2341 | udir_iterator(lookup_iterator I) : udir_iterator_base(I) {} |
2342 | |
2343 | UsingDirectiveDecl *operator*() const; |
2344 | }; |
2345 | |
2346 | using udir_range = llvm::iterator_range<udir_iterator>; |
2347 | |
2348 | udir_range using_directives() const; |
2349 | |
2350 | // These are all defined in DependentDiagnostic.h. |
2351 | class ddiag_iterator; |
2352 | |
2353 | using ddiag_range = llvm::iterator_range<DeclContext::ddiag_iterator>; |
2354 | |
2355 | inline ddiag_range ddiags() const; |
2356 | |
2357 | // Low-level accessors |
2358 | |
2359 | /// Mark that there are external lexical declarations that we need |
2360 | /// to include in our lookup table (and that are not available as external |
2361 | /// visible lookups). These extra lookup results will be found by walking |
2362 | /// the lexical declarations of this context. This should be used only if |
2363 | /// setHasExternalLexicalStorage() has been called on any decl context for |
2364 | /// which this is the primary context. |
2365 | void setMustBuildLookupTable() { |
2366 | assert(this == getPrimaryContext() &&((this == getPrimaryContext() && "should only be called on primary context" ) ? static_cast<void> (0) : __assert_fail ("this == getPrimaryContext() && \"should only be called on primary context\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 2367, __PRETTY_FUNCTION__)) |
2367 | "should only be called on primary context")((this == getPrimaryContext() && "should only be called on primary context" ) ? static_cast<void> (0) : __assert_fail ("this == getPrimaryContext() && \"should only be called on primary context\"" , "/build/llvm-toolchain-snapshot-12~++20200927111121+5811d723998/clang/include/clang/AST/DeclBase.h" , 2367, __PRETTY_FUNCTION__)); |
2368 | DeclContextBits.HasLazyExternalLexicalLookups = true; |
2369 | } |
2370 | |
2371 | /// Retrieve the internal representation of the lookup structure. |
2372 | /// This may omit some names if we are lazily building the structure. |
2373 | StoredDeclsMap *getLookupPtr() const { return LookupPtr; } |
2374 | |
2375 | /// Ensure the lookup structure is fully-built and return it. |
2376 | StoredDeclsMap *buildLookup(); |
2377 | |
2378 | /// Whether this DeclContext has external storage containing |
2379 | /// additional declarations that are lexically in this context. |
2380 | bool hasExternalLexicalStorage() const { |
2381 | return DeclContextBits.ExternalLexicalStorage; |
2382 | } |
2383 | |
2384 | /// State whether this DeclContext has external storage for |
2385 | /// declarations lexically in this context. |
2386 | void setHasExternalLexicalStorage(bool ES = true) const { |
2387 | DeclContextBits.ExternalLexicalStorage = ES; |
2388 | } |
2389 | |
2390 | /// Whether this DeclContext has external storage containing |
2391 | /// additional declarations that are visible in this context. |
2392 | bool hasExternalVisibleStorage() const { |
2393 | return DeclContextBits.ExternalVisibleStorage; |
2394 | } |
2395 | |
2396 | /// State whether this DeclContext has external storage for |
2397 | /// declarations visible in this context. |
2398 | void setHasExternalVisibleStorage(bool ES = true) const { |
2399 | DeclContextBits.ExternalVisibleStorage = ES; |
2400 | if (ES && LookupPtr) |
2401 | DeclContextBits.NeedToReconcileExternalVisibleStorage = true; |
2402 | } |
2403 | |
2404 | /// Determine whether the given declaration is stored in the list of |
2405 | /// declarations lexically within this context. |
2406 | bool isDeclInLexicalTraversal(const Decl *D) const { |
2407 | return D && (D->NextInContextAndBits.getPointer() || D == FirstDecl || |
2408 | D == LastDecl); |
2409 | } |
2410 | |
2411 | bool setUseQualifiedLookup(bool use = true) const { |
2412 | bool old_value = DeclContextBits.UseQualifiedLookup; |
2413 | DeclContextBits.UseQualifiedLookup = use; |
2414 | return old_value; |
2415 | } |
2416 | |
2417 | bool shouldUseQualifiedLookup() const { |
2418 | return DeclContextBits.UseQualifiedLookup; |
2419 | } |
2420 | |
2421 | static bool classof(const Decl *D); |
2422 | static bool classof(const DeclContext *D) { return true; } |
2423 | |
2424 | void dumpDeclContext() const; |
2425 | void dumpLookups() const; |
2426 | void dumpLookups(llvm::raw_ostream &OS, bool DumpDecls = false, |
2427 | bool Deserialize = false) const; |
2428 | |
2429 | private: |
2430 | /// Whether this declaration context has had externally visible |
2431 | /// storage added since the last lookup. In this case, \c LookupPtr's |
2432 | /// invariant may not hold and needs to be fixed before we perform |
2433 | /// another lookup. |
2434 | bool hasNeedToReconcileExternalVisibleStorage() const { |
2435 | return DeclContextBits.NeedToReconcileExternalVisibleStorage; |
2436 | } |
2437 | |
2438 | /// State that this declaration context has had externally visible |
2439 | /// storage added since the last lookup. In this case, \c LookupPtr's |
2440 | /// invariant may not hold and needs to be fixed before we perform |
2441 | /// another lookup. |
2442 | void setNeedToReconcileExternalVisibleStorage(bool Need = true) const { |
2443 | DeclContextBits.NeedToReconcileExternalVisibleStorage = Need; |
2444 | } |
2445 | |
2446 | /// If \c true, this context may have local lexical declarations |
2447 | /// that are missing from the lookup table. |
2448 | bool hasLazyLocalLexicalLookups() const { |
2449 | return DeclContextBits.HasLazyLocalLexicalLookups; |
2450 | } |
2451 | |
2452 | /// If \c true, this context may have local lexical declarations |
2453 | /// that are missing from the lookup table. |
2454 | void setHasLazyLocalLexicalLookups(bool HasLLLL = true) const { |
2455 | DeclContextBits.HasLazyLocalLexicalLookups = HasLLLL; |
2456 | } |
2457 | |
2458 | /// If \c true, the external source may have lexical declarations |
2459 | /// that are missing from the lookup table. |
2460 | bool hasLazyExternalLexicalLookups() const { |
2461 | return DeclContextBits.HasLazyExternalLexicalLookups; |
2462 | } |
2463 | |
2464 | /// If \c true, the external source may have lexical declarations |
2465 | /// that are missing from the lookup table. |
2466 | void setHasLazyExternalLexicalLookups(bool HasLELL = true) const { |
2467 | DeclContextBits.HasLazyExternalLexicalLookups = HasLELL; |
2468 | } |
2469 | |
2470 | void reconcileExternalVisibleStorage() const; |
2471 | bool LoadLexicalDeclsFromExternalStorage() const; |
2472 | |
2473 | /// Makes a declaration visible within this context, but |
2474 | /// suppresses searches for external declarations with the same |
2475 | /// name. |
2476 | /// |
2477 | /// Analogous to makeDeclVisibleInContext, but for the exclusive |
2478 | /// use of addDeclInternal(). |
2479 | void makeDeclVisibleInContextInternal(NamedDecl *D); |
2480 | |
2481 | StoredDeclsMap *CreateStoredDeclsMap(ASTContext &C) const; |
2482 | |
2483 | void loadLazyLocalLexicalLookups(); |
2484 | void buildLookupImpl(DeclContext *DCtx, bool Internal); |
2485 | void makeDeclVisibleInContextWithFlags(NamedDecl *D, bool Internal, |
2486 | bool Rediscoverable); |
2487 | void makeDeclVisibleInContextImpl(NamedDecl *D, bool Internal); |
2488 | }; |
2489 | |
2490 | inline bool Decl::isTemplateParameter() const { |
2491 | return getKind() == TemplateTypeParm || getKind() == NonTypeTemplateParm || |
2492 | getKind() == TemplateTemplateParm; |
2493 | } |
2494 | |
2495 | // Specialization selected when ToTy is not a known subclass of DeclContext. |
2496 | template <class ToTy, |
2497 | bool IsKnownSubtype = ::std::is_base_of<DeclContext, ToTy>::value> |
2498 | struct cast_convert_decl_context { |
2499 | static const ToTy *doit(const DeclContext *Val) { |
2500 | return static_cast<const ToTy*>(Decl::castFromDeclContext(Val)); |
2501 | } |
2502 | |
2503 | static ToTy *doit(DeclContext *Val) { |
2504 | return static_cast<ToTy*>(Decl::castFromDeclContext(Val)); |
2505 | } |
2506 | }; |
2507 | |
2508 | // Specialization selected when ToTy is a known subclass of DeclContext. |
2509 | template <class ToTy> |
2510 | struct cast_convert_decl_context<ToTy, true> { |
2511 | static const ToTy *doit(const DeclContext *Val) { |
2512 | return static_cast<const ToTy*>(Val); |
2513 | } |
2514 | |
2515 | static ToTy *doit(DeclContext *Val) { |
2516 | return static_cast<ToTy*>(Val); |
2517 | } |
2518 | }; |
2519 | |
2520 | } // namespace clang |
2521 | |
2522 | namespace llvm { |
2523 | |
2524 | /// isa<T>(DeclContext*) |
2525 | template <typename To> |
2526 | struct isa_impl<To, ::clang::DeclContext> { |
2527 | static bool doit(const ::clang::DeclContext &Val) { |
2528 | return To::classofKind(Val.getDeclKind()); |
2529 | } |
2530 | }; |
2531 | |
2532 | /// cast<T>(DeclContext*) |
2533 | template<class ToTy> |
2534 | struct cast_convert_val<ToTy, |
2535 | const ::clang::DeclContext,const ::clang::DeclContext> { |
2536 | static const ToTy &doit(const ::clang::DeclContext &Val) { |
2537 | return *::clang::cast_convert_decl_context<ToTy>::doit(&Val); |
2538 | } |
2539 | }; |
2540 | |
2541 | template<class ToTy> |
2542 | struct cast_convert_val<ToTy, ::clang::DeclContext, ::clang::DeclContext> { |
2543 | static ToTy &doit(::clang::DeclContext &Val) { |
2544 | return *::clang::cast_convert_decl_context<ToTy>::doit(&Val); |
2545 | } |
2546 | }; |
2547 | |
2548 | template<class ToTy> |
2549 | struct cast_convert_val<ToTy, |
2550 | const ::clang::DeclContext*, const ::clang::DeclContext*> { |
2551 | static const ToTy *doit(const ::clang::DeclContext *Val) { |
2552 | return ::clang::cast_convert_decl_context<ToTy>::doit(Val); |
2553 | } |
2554 | }; |
2555 | |
2556 | template<class ToTy> |
2557 | struct cast_convert_val<ToTy, ::clang::DeclContext*, ::clang::DeclContext*> { |
2558 | static ToTy *doit(::clang::DeclContext *Val) { |
2559 | return ::clang::cast_convert_decl_context<ToTy>::doit(Val); |
2560 | } |
2561 | }; |
2562 | |
2563 | /// Implement cast_convert_val for Decl -> DeclContext conversions. |
2564 | template<class FromTy> |
2565 | struct cast_convert_val< ::clang::DeclContext, FromTy, FromTy> { |
2566 | static ::clang::DeclContext &doit(const FromTy &Val) { |
2567 | return *FromTy::castToDeclContext(&Val); |
2568 | } |
2569 | }; |
2570 | |
2571 | template<class FromTy> |
2572 | struct cast_convert_val< ::clang::DeclContext, FromTy*, FromTy*> { |
2573 | static ::clang::DeclContext *doit(const FromTy *Val) { |
2574 | return FromTy::castToDeclContext(Val); |
2575 | } |
2576 | }; |
2577 | |
2578 | template<class FromTy> |
2579 | struct cast_convert_val< const ::clang::DeclContext, FromTy, FromTy> { |
2580 | static const ::clang::DeclContext &doit(const FromTy &Val) { |
2581 | return *FromTy::castToDeclContext(&Val); |
2582 | } |
2583 | }; |
2584 | |
2585 | template<class FromTy> |
2586 | struct cast_convert_val< const ::clang::DeclContext, FromTy*, FromTy*> { |
2587 | static const ::clang::DeclContext *doit(const FromTy *Val) { |
2588 | return FromTy::castToDeclContext(Val); |
2589 | } |
2590 | }; |
2591 | |
2592 | } // namespace llvm |
2593 | |
2594 | #endif // LLVM_CLANG_AST_DECLBASE_H |