File: | build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 4557, column 5 Value stored to 'ErrorFound' is never read |
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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/ADT/SmallSet.h" |
39 | #include "llvm/ADT/StringExtras.h" |
40 | #include "llvm/Frontend/OpenMP/OMPAssume.h" |
41 | #include "llvm/Frontend/OpenMP/OMPConstants.h" |
42 | #include <set> |
43 | |
44 | using namespace clang; |
45 | using namespace llvm::omp; |
46 | |
47 | //===----------------------------------------------------------------------===// |
48 | // Stack of data-sharing attributes for variables |
49 | //===----------------------------------------------------------------------===// |
50 | |
51 | static const Expr *checkMapClauseExpressionBase( |
52 | Sema &SemaRef, Expr *E, |
53 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, |
54 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose); |
55 | |
56 | namespace { |
57 | /// Default data sharing attributes, which can be applied to directive. |
58 | enum DefaultDataSharingAttributes { |
59 | DSA_unspecified = 0, /// Data sharing attribute not specified. |
60 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. |
61 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. |
62 | DSA_firstprivate = 1 << 2, /// Default data sharing attribute 'firstprivate'. |
63 | }; |
64 | |
65 | /// Stack for tracking declarations used in OpenMP directives and |
66 | /// clauses and their data-sharing attributes. |
67 | class DSAStackTy { |
68 | public: |
69 | struct DSAVarData { |
70 | OpenMPDirectiveKind DKind = OMPD_unknown; |
71 | OpenMPClauseKind CKind = OMPC_unknown; |
72 | unsigned Modifier = 0; |
73 | const Expr *RefExpr = nullptr; |
74 | DeclRefExpr *PrivateCopy = nullptr; |
75 | SourceLocation ImplicitDSALoc; |
76 | bool AppliedToPointee = false; |
77 | DSAVarData() = default; |
78 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, |
79 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, |
80 | SourceLocation ImplicitDSALoc, unsigned Modifier, |
81 | bool AppliedToPointee) |
82 | : DKind(DKind), CKind(CKind), Modifier(Modifier), RefExpr(RefExpr), |
83 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc), |
84 | AppliedToPointee(AppliedToPointee) {} |
85 | }; |
86 | using OperatorOffsetTy = |
87 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; |
88 | using DoacrossDependMapTy = |
89 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; |
90 | /// Kind of the declaration used in the uses_allocators clauses. |
91 | enum class UsesAllocatorsDeclKind { |
92 | /// Predefined allocator |
93 | PredefinedAllocator, |
94 | /// User-defined allocator |
95 | UserDefinedAllocator, |
96 | /// The declaration that represent allocator trait |
97 | AllocatorTrait, |
98 | }; |
99 | |
100 | private: |
101 | struct DSAInfo { |
102 | OpenMPClauseKind Attributes = OMPC_unknown; |
103 | unsigned Modifier = 0; |
104 | /// Pointer to a reference expression and a flag which shows that the |
105 | /// variable is marked as lastprivate(true) or not (false). |
106 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; |
107 | DeclRefExpr *PrivateCopy = nullptr; |
108 | /// true if the attribute is applied to the pointee, not the variable |
109 | /// itself. |
110 | bool AppliedToPointee = false; |
111 | }; |
112 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; |
113 | using UsedRefMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; |
114 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; |
115 | using LoopControlVariablesMapTy = |
116 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; |
117 | /// Struct that associates a component with the clause kind where they are |
118 | /// found. |
119 | struct MappedExprComponentTy { |
120 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; |
121 | OpenMPClauseKind Kind = OMPC_unknown; |
122 | }; |
123 | using MappedExprComponentsTy = |
124 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; |
125 | using CriticalsWithHintsTy = |
126 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; |
127 | struct ReductionData { |
128 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; |
129 | SourceRange ReductionRange; |
130 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; |
131 | ReductionData() = default; |
132 | void set(BinaryOperatorKind BO, SourceRange RR) { |
133 | ReductionRange = RR; |
134 | ReductionOp = BO; |
135 | } |
136 | void set(const Expr *RefExpr, SourceRange RR) { |
137 | ReductionRange = RR; |
138 | ReductionOp = RefExpr; |
139 | } |
140 | }; |
141 | using DeclReductionMapTy = |
142 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; |
143 | struct DefaultmapInfo { |
144 | OpenMPDefaultmapClauseModifier ImplicitBehavior = |
145 | OMPC_DEFAULTMAP_MODIFIER_unknown; |
146 | SourceLocation SLoc; |
147 | DefaultmapInfo() = default; |
148 | DefaultmapInfo(OpenMPDefaultmapClauseModifier M, SourceLocation Loc) |
149 | : ImplicitBehavior(M), SLoc(Loc) {} |
150 | }; |
151 | |
152 | struct SharingMapTy { |
153 | DeclSAMapTy SharingMap; |
154 | DeclReductionMapTy ReductionMap; |
155 | UsedRefMapTy AlignedMap; |
156 | UsedRefMapTy NontemporalMap; |
157 | MappedExprComponentsTy MappedExprComponents; |
158 | LoopControlVariablesMapTy LCVMap; |
159 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; |
160 | SourceLocation DefaultAttrLoc; |
161 | DefaultmapInfo DefaultmapMap[OMPC_DEFAULTMAP_unknown]; |
162 | OpenMPDirectiveKind Directive = OMPD_unknown; |
163 | DeclarationNameInfo DirectiveName; |
164 | Scope *CurScope = nullptr; |
165 | DeclContext *Context = nullptr; |
166 | SourceLocation ConstructLoc; |
167 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to |
168 | /// get the data (loop counters etc.) about enclosing loop-based construct. |
169 | /// This data is required during codegen. |
170 | DoacrossDependMapTy DoacrossDepends; |
171 | /// First argument (Expr *) contains optional argument of the |
172 | /// 'ordered' clause, the second one is true if the regions has 'ordered' |
173 | /// clause, false otherwise. |
174 | llvm::Optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; |
175 | unsigned AssociatedLoops = 1; |
176 | bool HasMutipleLoops = false; |
177 | const Decl *PossiblyLoopCounter = nullptr; |
178 | bool NowaitRegion = false; |
179 | bool UntiedRegion = false; |
180 | bool CancelRegion = false; |
181 | bool LoopStart = false; |
182 | bool BodyComplete = false; |
183 | SourceLocation PrevScanLocation; |
184 | SourceLocation PrevOrderedLocation; |
185 | SourceLocation InnerTeamsRegionLoc; |
186 | /// Reference to the taskgroup task_reduction reference expression. |
187 | Expr *TaskgroupReductionRef = nullptr; |
188 | llvm::DenseSet<QualType> MappedClassesQualTypes; |
189 | SmallVector<Expr *, 4> InnerUsedAllocators; |
190 | llvm::DenseSet<CanonicalDeclPtr<Decl>> ImplicitTaskFirstprivates; |
191 | /// List of globals marked as declare target link in this target region |
192 | /// (isOpenMPTargetExecutionDirective(Directive) == true). |
193 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; |
194 | /// List of decls used in inclusive/exclusive clauses of the scan directive. |
195 | llvm::DenseSet<CanonicalDeclPtr<Decl>> UsedInScanDirective; |
196 | llvm::DenseMap<CanonicalDeclPtr<const Decl>, UsesAllocatorsDeclKind> |
197 | UsesAllocatorsDecls; |
198 | Expr *DeclareMapperVar = nullptr; |
199 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, |
200 | Scope *CurScope, SourceLocation Loc) |
201 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), |
202 | ConstructLoc(Loc) {} |
203 | SharingMapTy() = default; |
204 | }; |
205 | |
206 | using StackTy = SmallVector<SharingMapTy, 4>; |
207 | |
208 | /// Stack of used declaration and their data-sharing attributes. |
209 | DeclSAMapTy Threadprivates; |
210 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; |
211 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; |
212 | /// true, if check for DSA must be from parent directive, false, if |
213 | /// from current directive. |
214 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; |
215 | Sema &SemaRef; |
216 | bool ForceCapturing = false; |
217 | /// true if all the variables in the target executable directives must be |
218 | /// captured by reference. |
219 | bool ForceCaptureByReferenceInTargetExecutable = false; |
220 | CriticalsWithHintsTy Criticals; |
221 | unsigned IgnoredStackElements = 0; |
222 | |
223 | /// Iterators over the stack iterate in order from innermost to outermost |
224 | /// directive. |
225 | using const_iterator = StackTy::const_reverse_iterator; |
226 | const_iterator begin() const { |
227 | return Stack.empty() ? const_iterator() |
228 | : Stack.back().first.rbegin() + IgnoredStackElements; |
229 | } |
230 | const_iterator end() const { |
231 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); |
232 | } |
233 | using iterator = StackTy::reverse_iterator; |
234 | iterator begin() { |
235 | return Stack.empty() ? iterator() |
236 | : Stack.back().first.rbegin() + IgnoredStackElements; |
237 | } |
238 | iterator end() { |
239 | return Stack.empty() ? iterator() : Stack.back().first.rend(); |
240 | } |
241 | |
242 | // Convenience operations to get at the elements of the stack. |
243 | |
244 | bool isStackEmpty() const { |
245 | return Stack.empty() || |
246 | Stack.back().second != CurrentNonCapturingFunctionScope || |
247 | Stack.back().first.size() <= IgnoredStackElements; |
248 | } |
249 | size_t getStackSize() const { |
250 | return isStackEmpty() ? 0 |
251 | : Stack.back().first.size() - IgnoredStackElements; |
252 | } |
253 | |
254 | SharingMapTy *getTopOfStackOrNull() { |
255 | size_t Size = getStackSize(); |
256 | if (Size == 0) |
257 | return nullptr; |
258 | return &Stack.back().first[Size - 1]; |
259 | } |
260 | const SharingMapTy *getTopOfStackOrNull() const { |
261 | return const_cast<DSAStackTy &>(*this).getTopOfStackOrNull(); |
262 | } |
263 | SharingMapTy &getTopOfStack() { |
264 | assert(!isStackEmpty() && "no current directive")(static_cast <bool> (!isStackEmpty() && "no current directive" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"no current directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 264, __extension__ __PRETTY_FUNCTION__ )); |
265 | return *getTopOfStackOrNull(); |
266 | } |
267 | const SharingMapTy &getTopOfStack() const { |
268 | return const_cast<DSAStackTy &>(*this).getTopOfStack(); |
269 | } |
270 | |
271 | SharingMapTy *getSecondOnStackOrNull() { |
272 | size_t Size = getStackSize(); |
273 | if (Size <= 1) |
274 | return nullptr; |
275 | return &Stack.back().first[Size - 2]; |
276 | } |
277 | const SharingMapTy *getSecondOnStackOrNull() const { |
278 | return const_cast<DSAStackTy &>(*this).getSecondOnStackOrNull(); |
279 | } |
280 | |
281 | /// Get the stack element at a certain level (previously returned by |
282 | /// \c getNestingLevel). |
283 | /// |
284 | /// Note that nesting levels count from outermost to innermost, and this is |
285 | /// the reverse of our iteration order where new inner levels are pushed at |
286 | /// the front of the stack. |
287 | SharingMapTy &getStackElemAtLevel(unsigned Level) { |
288 | assert(Level < getStackSize() && "no such stack element")(static_cast <bool> (Level < getStackSize() && "no such stack element") ? void (0) : __assert_fail ("Level < getStackSize() && \"no such stack element\"" , "clang/lib/Sema/SemaOpenMP.cpp", 288, __extension__ __PRETTY_FUNCTION__ )); |
289 | return Stack.back().first[Level]; |
290 | } |
291 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { |
292 | return const_cast<DSAStackTy &>(*this).getStackElemAtLevel(Level); |
293 | } |
294 | |
295 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; |
296 | |
297 | /// Checks if the variable is a local for OpenMP region. |
298 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; |
299 | |
300 | /// Vector of previously declared requires directives |
301 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; |
302 | /// omp_allocator_handle_t type. |
303 | QualType OMPAllocatorHandleT; |
304 | /// omp_depend_t type. |
305 | QualType OMPDependT; |
306 | /// omp_event_handle_t type. |
307 | QualType OMPEventHandleT; |
308 | /// omp_alloctrait_t type. |
309 | QualType OMPAlloctraitT; |
310 | /// Expression for the predefined allocators. |
311 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { |
312 | nullptr}; |
313 | /// Vector of previously encountered target directives |
314 | SmallVector<SourceLocation, 2> TargetLocations; |
315 | SourceLocation AtomicLocation; |
316 | /// Vector of declare variant construct traits. |
317 | SmallVector<llvm::omp::TraitProperty, 8> ConstructTraits; |
318 | |
319 | public: |
320 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} |
321 | |
322 | /// Sets omp_allocator_handle_t type. |
323 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } |
324 | /// Gets omp_allocator_handle_t type. |
325 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } |
326 | /// Sets omp_alloctrait_t type. |
327 | void setOMPAlloctraitT(QualType Ty) { OMPAlloctraitT = Ty; } |
328 | /// Gets omp_alloctrait_t type. |
329 | QualType getOMPAlloctraitT() const { return OMPAlloctraitT; } |
330 | /// Sets the given default allocator. |
331 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, |
332 | Expr *Allocator) { |
333 | OMPPredefinedAllocators[AllocatorKind] = Allocator; |
334 | } |
335 | /// Returns the specified default allocator. |
336 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { |
337 | return OMPPredefinedAllocators[AllocatorKind]; |
338 | } |
339 | /// Sets omp_depend_t type. |
340 | void setOMPDependT(QualType Ty) { OMPDependT = Ty; } |
341 | /// Gets omp_depend_t type. |
342 | QualType getOMPDependT() const { return OMPDependT; } |
343 | |
344 | /// Sets omp_event_handle_t type. |
345 | void setOMPEventHandleT(QualType Ty) { OMPEventHandleT = Ty; } |
346 | /// Gets omp_event_handle_t type. |
347 | QualType getOMPEventHandleT() const { return OMPEventHandleT; } |
348 | |
349 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } |
350 | OpenMPClauseKind getClauseParsingMode() const { |
351 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")(static_cast <bool> (isClauseParsingMode() && "Must be in clause parsing mode." ) ? void (0) : __assert_fail ("isClauseParsingMode() && \"Must be in clause parsing mode.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 351, __extension__ __PRETTY_FUNCTION__ )); |
352 | return ClauseKindMode; |
353 | } |
354 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } |
355 | |
356 | bool isBodyComplete() const { |
357 | const SharingMapTy *Top = getTopOfStackOrNull(); |
358 | return Top && Top->BodyComplete; |
359 | } |
360 | void setBodyComplete() { getTopOfStack().BodyComplete = true; } |
361 | |
362 | bool isForceVarCapturing() const { return ForceCapturing; } |
363 | void setForceVarCapturing(bool V) { ForceCapturing = V; } |
364 | |
365 | void setForceCaptureByReferenceInTargetExecutable(bool V) { |
366 | ForceCaptureByReferenceInTargetExecutable = V; |
367 | } |
368 | bool isForceCaptureByReferenceInTargetExecutable() const { |
369 | return ForceCaptureByReferenceInTargetExecutable; |
370 | } |
371 | |
372 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, |
373 | Scope *CurScope, SourceLocation Loc) { |
374 | assert(!IgnoredStackElements &&(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 375, __extension__ __PRETTY_FUNCTION__ )) |
375 | "cannot change stack while ignoring elements")(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 375, __extension__ __PRETTY_FUNCTION__ )); |
376 | if (Stack.empty() || |
377 | Stack.back().second != CurrentNonCapturingFunctionScope) |
378 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); |
379 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); |
380 | Stack.back().first.back().DefaultAttrLoc = Loc; |
381 | } |
382 | |
383 | void pop() { |
384 | assert(!IgnoredStackElements &&(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 385, __extension__ __PRETTY_FUNCTION__ )) |
385 | "cannot change stack while ignoring elements")(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 385, __extension__ __PRETTY_FUNCTION__ )); |
386 | assert(!Stack.back().first.empty() &&(static_cast <bool> (!Stack.back().first.empty() && "Data-sharing attributes stack is empty!") ? void (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 387, __extension__ __PRETTY_FUNCTION__ )) |
387 | "Data-sharing attributes stack is empty!")(static_cast <bool> (!Stack.back().first.empty() && "Data-sharing attributes stack is empty!") ? void (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 387, __extension__ __PRETTY_FUNCTION__ )); |
388 | Stack.back().first.pop_back(); |
389 | } |
390 | |
391 | /// RAII object to temporarily leave the scope of a directive when we want to |
392 | /// logically operate in its parent. |
393 | class ParentDirectiveScope { |
394 | DSAStackTy &Self; |
395 | bool Active; |
396 | |
397 | public: |
398 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) |
399 | : Self(Self), Active(false) { |
400 | if (Activate) |
401 | enable(); |
402 | } |
403 | ~ParentDirectiveScope() { disable(); } |
404 | void disable() { |
405 | if (Active) { |
406 | --Self.IgnoredStackElements; |
407 | Active = false; |
408 | } |
409 | } |
410 | void enable() { |
411 | if (!Active) { |
412 | ++Self.IgnoredStackElements; |
413 | Active = true; |
414 | } |
415 | } |
416 | }; |
417 | |
418 | /// Marks that we're started loop parsing. |
419 | void loopInit() { |
420 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&(static_cast <bool> (isOpenMPLoopDirective(getCurrentDirective ()) && "Expected loop-based directive.") ? void (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 421, __extension__ __PRETTY_FUNCTION__ )) |
421 | "Expected loop-based directive.")(static_cast <bool> (isOpenMPLoopDirective(getCurrentDirective ()) && "Expected loop-based directive.") ? void (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 421, __extension__ __PRETTY_FUNCTION__ )); |
422 | getTopOfStack().LoopStart = true; |
423 | } |
424 | /// Start capturing of the variables in the loop context. |
425 | void loopStart() { |
426 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&(static_cast <bool> (isOpenMPLoopDirective(getCurrentDirective ()) && "Expected loop-based directive.") ? void (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 427, __extension__ __PRETTY_FUNCTION__ )) |
427 | "Expected loop-based directive.")(static_cast <bool> (isOpenMPLoopDirective(getCurrentDirective ()) && "Expected loop-based directive.") ? void (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 427, __extension__ __PRETTY_FUNCTION__ )); |
428 | getTopOfStack().LoopStart = false; |
429 | } |
430 | /// true, if variables are captured, false otherwise. |
431 | bool isLoopStarted() const { |
432 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&(static_cast <bool> (isOpenMPLoopDirective(getCurrentDirective ()) && "Expected loop-based directive.") ? void (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 433, __extension__ __PRETTY_FUNCTION__ )) |
433 | "Expected loop-based directive.")(static_cast <bool> (isOpenMPLoopDirective(getCurrentDirective ()) && "Expected loop-based directive.") ? void (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 433, __extension__ __PRETTY_FUNCTION__ )); |
434 | return !getTopOfStack().LoopStart; |
435 | } |
436 | /// Marks (or clears) declaration as possibly loop counter. |
437 | void resetPossibleLoopCounter(const Decl *D = nullptr) { |
438 | getTopOfStack().PossiblyLoopCounter = D ? D->getCanonicalDecl() : D; |
439 | } |
440 | /// Gets the possible loop counter decl. |
441 | const Decl *getPossiblyLoopCunter() const { |
442 | return getTopOfStack().PossiblyLoopCounter; |
443 | } |
444 | /// Start new OpenMP region stack in new non-capturing function. |
445 | void pushFunction() { |
446 | assert(!IgnoredStackElements &&(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 447, __extension__ __PRETTY_FUNCTION__ )) |
447 | "cannot change stack while ignoring elements")(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 447, __extension__ __PRETTY_FUNCTION__ )); |
448 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); |
449 | assert(!isa<CapturingScopeInfo>(CurFnScope))(static_cast <bool> (!isa<CapturingScopeInfo>(CurFnScope )) ? void (0) : __assert_fail ("!isa<CapturingScopeInfo>(CurFnScope)" , "clang/lib/Sema/SemaOpenMP.cpp", 449, __extension__ __PRETTY_FUNCTION__ )); |
450 | CurrentNonCapturingFunctionScope = CurFnScope; |
451 | } |
452 | /// Pop region stack for non-capturing function. |
453 | void popFunction(const FunctionScopeInfo *OldFSI) { |
454 | assert(!IgnoredStackElements &&(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 455, __extension__ __PRETTY_FUNCTION__ )) |
455 | "cannot change stack while ignoring elements")(static_cast <bool> (!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? void (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "clang/lib/Sema/SemaOpenMP.cpp", 455, __extension__ __PRETTY_FUNCTION__ )); |
456 | if (!Stack.empty() && Stack.back().second == OldFSI) { |
457 | assert(Stack.back().first.empty())(static_cast <bool> (Stack.back().first.empty()) ? void (0) : __assert_fail ("Stack.back().first.empty()", "clang/lib/Sema/SemaOpenMP.cpp" , 457, __extension__ __PRETTY_FUNCTION__)); |
458 | Stack.pop_back(); |
459 | } |
460 | CurrentNonCapturingFunctionScope = nullptr; |
461 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { |
462 | if (!isa<CapturingScopeInfo>(FSI)) { |
463 | CurrentNonCapturingFunctionScope = FSI; |
464 | break; |
465 | } |
466 | } |
467 | } |
468 | |
469 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { |
470 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); |
471 | } |
472 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> |
473 | getCriticalWithHint(const DeclarationNameInfo &Name) const { |
474 | auto I = Criticals.find(Name.getAsString()); |
475 | if (I != Criticals.end()) |
476 | return I->second; |
477 | return std::make_pair(nullptr, llvm::APSInt()); |
478 | } |
479 | /// If 'aligned' 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 *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); |
483 | /// If 'nontemporal' declaration for given variable \a D was not seen yet, |
484 | /// add it and return NULL; otherwise return previous occurrence's expression |
485 | /// for diagnostics. |
486 | const Expr *addUniqueNontemporal(const ValueDecl *D, const Expr *NewDE); |
487 | |
488 | /// Register specified variable as loop control variable. |
489 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); |
490 | /// Check if the specified variable is a loop control variable for |
491 | /// current region. |
492 | /// \return The index of the loop control variable in the list of associated |
493 | /// for-loops (from outer to inner). |
494 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; |
495 | /// Check if the specified variable is a loop control variable for |
496 | /// parent region. |
497 | /// \return The index of the loop control variable in the list of associated |
498 | /// for-loops (from outer to inner). |
499 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; |
500 | /// Check if the specified variable is a loop control variable for |
501 | /// current region. |
502 | /// \return The index of the loop control variable in the list of associated |
503 | /// for-loops (from outer to inner). |
504 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D, |
505 | unsigned Level) const; |
506 | /// Get the loop control variable for the I-th loop (or nullptr) in |
507 | /// parent directive. |
508 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; |
509 | |
510 | /// Marks the specified decl \p D as used in scan directive. |
511 | void markDeclAsUsedInScanDirective(ValueDecl *D) { |
512 | if (SharingMapTy *Stack = getSecondOnStackOrNull()) |
513 | Stack->UsedInScanDirective.insert(D); |
514 | } |
515 | |
516 | /// Checks if the specified declaration was used in the inner scan directive. |
517 | bool isUsedInScanDirective(ValueDecl *D) const { |
518 | if (const SharingMapTy *Stack = getTopOfStackOrNull()) |
519 | return Stack->UsedInScanDirective.contains(D); |
520 | return false; |
521 | } |
522 | |
523 | /// Adds explicit data sharing attribute to the specified declaration. |
524 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, |
525 | DeclRefExpr *PrivateCopy = nullptr, unsigned Modifier = 0, |
526 | bool AppliedToPointee = false); |
527 | |
528 | /// Adds additional information for the reduction items with the reduction id |
529 | /// represented as an operator. |
530 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
531 | BinaryOperatorKind BOK); |
532 | /// Adds additional information for the reduction items with the reduction id |
533 | /// represented as reduction identifier. |
534 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
535 | const Expr *ReductionRef); |
536 | /// Returns the location and reduction operation from the innermost parent |
537 | /// region for the given \p D. |
538 | const DSAVarData |
539 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, |
540 | BinaryOperatorKind &BOK, |
541 | Expr *&TaskgroupDescriptor) const; |
542 | /// Returns the location and reduction operation from the innermost parent |
543 | /// region for the given \p D. |
544 | const DSAVarData |
545 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, |
546 | const Expr *&ReductionRef, |
547 | Expr *&TaskgroupDescriptor) const; |
548 | /// Return reduction reference expression for the current taskgroup or |
549 | /// parallel/worksharing directives with task reductions. |
550 | Expr *getTaskgroupReductionRef() const { |
551 | assert((getTopOfStack().Directive == OMPD_taskgroup ||(static_cast <bool> ((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 556, __extension__ __PRETTY_FUNCTION__ )) |
552 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||(static_cast <bool> ((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 556, __extension__ __PRETTY_FUNCTION__ )) |
553 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&(static_cast <bool> ((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 556, __extension__ __PRETTY_FUNCTION__ )) |
554 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&(static_cast <bool> ((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 556, __extension__ __PRETTY_FUNCTION__ )) |
555 | "taskgroup reference expression requested for non taskgroup or "(static_cast <bool> ((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 556, __extension__ __PRETTY_FUNCTION__ )) |
556 | "parallel/worksharing directive.")(static_cast <bool> ((getTopOfStack().Directive == OMPD_taskgroup || ((isOpenMPParallelDirective(getTopOfStack().Directive) || isOpenMPWorksharingDirective(getTopOfStack().Directive)) && !isOpenMPSimdDirective(getTopOfStack().Directive))) && "taskgroup reference expression requested for non taskgroup or " "parallel/worksharing directive.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 556, __extension__ __PRETTY_FUNCTION__ )); |
557 | return getTopOfStack().TaskgroupReductionRef; |
558 | } |
559 | /// Checks if the given \p VD declaration is actually a taskgroup reduction |
560 | /// descriptor variable at the \p Level of OpenMP regions. |
561 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { |
562 | return getStackElemAtLevel(Level).TaskgroupReductionRef && |
563 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) |
564 | ->getDecl() == VD; |
565 | } |
566 | |
567 | /// Returns data sharing attributes from top of the stack for the |
568 | /// specified declaration. |
569 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); |
570 | /// Returns data-sharing attributes for the specified declaration. |
571 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; |
572 | /// Returns data-sharing attributes for the specified declaration. |
573 | const DSAVarData getImplicitDSA(ValueDecl *D, unsigned Level) const; |
574 | /// Checks if the specified variables has data-sharing attributes which |
575 | /// match specified \a CPred predicate in any directive which matches \a DPred |
576 | /// predicate. |
577 | const DSAVarData |
578 | hasDSA(ValueDecl *D, |
579 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
580 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
581 | bool FromParent) const; |
582 | /// Checks if the specified variables has data-sharing attributes which |
583 | /// match specified \a CPred predicate in any innermost directive which |
584 | /// matches \a DPred predicate. |
585 | const DSAVarData |
586 | hasInnermostDSA(ValueDecl *D, |
587 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
588 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
589 | bool FromParent) const; |
590 | /// Checks if the specified variables has explicit data-sharing |
591 | /// attributes which match specified \a CPred predicate at the specified |
592 | /// OpenMP region. |
593 | bool |
594 | hasExplicitDSA(const ValueDecl *D, |
595 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
596 | unsigned Level, bool NotLastprivate = false) const; |
597 | |
598 | /// Returns true if the directive at level \Level matches in the |
599 | /// specified \a DPred predicate. |
600 | bool hasExplicitDirective( |
601 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
602 | unsigned Level) const; |
603 | |
604 | /// Finds a directive which matches specified \a DPred predicate. |
605 | bool hasDirective( |
606 | const llvm::function_ref<bool( |
607 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> |
608 | DPred, |
609 | bool FromParent) const; |
610 | |
611 | /// Returns currently analyzed directive. |
612 | OpenMPDirectiveKind getCurrentDirective() const { |
613 | const SharingMapTy *Top = getTopOfStackOrNull(); |
614 | return Top ? Top->Directive : OMPD_unknown; |
615 | } |
616 | /// Returns directive kind at specified level. |
617 | OpenMPDirectiveKind getDirective(unsigned Level) const { |
618 | assert(!isStackEmpty() && "No directive at specified level.")(static_cast <bool> (!isStackEmpty() && "No directive at specified level." ) ? void (0) : __assert_fail ("!isStackEmpty() && \"No directive at specified level.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 618, __extension__ __PRETTY_FUNCTION__ )); |
619 | return getStackElemAtLevel(Level).Directive; |
620 | } |
621 | /// Returns the capture region at the specified level. |
622 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, |
623 | unsigned OpenMPCaptureLevel) const { |
624 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
625 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); |
626 | return CaptureRegions[OpenMPCaptureLevel]; |
627 | } |
628 | /// Returns parent directive. |
629 | OpenMPDirectiveKind getParentDirective() const { |
630 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
631 | return Parent ? Parent->Directive : OMPD_unknown; |
632 | } |
633 | |
634 | /// Add requires decl to internal vector |
635 | void addRequiresDecl(OMPRequiresDecl *RD) { RequiresDecls.push_back(RD); } |
636 | |
637 | /// Checks if the defined 'requires' directive has specified type of clause. |
638 | template <typename ClauseType> bool hasRequiresDeclWithClause() const { |
639 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { |
640 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { |
641 | return isa<ClauseType>(C); |
642 | }); |
643 | }); |
644 | } |
645 | |
646 | /// Checks for a duplicate clause amongst previously declared requires |
647 | /// directives |
648 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { |
649 | bool IsDuplicate = false; |
650 | for (OMPClause *CNew : ClauseList) { |
651 | for (const OMPRequiresDecl *D : RequiresDecls) { |
652 | for (const OMPClause *CPrev : D->clauselists()) { |
653 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { |
654 | SemaRef.Diag(CNew->getBeginLoc(), |
655 | diag::err_omp_requires_clause_redeclaration) |
656 | << getOpenMPClauseName(CNew->getClauseKind()); |
657 | SemaRef.Diag(CPrev->getBeginLoc(), |
658 | diag::note_omp_requires_previous_clause) |
659 | << getOpenMPClauseName(CPrev->getClauseKind()); |
660 | IsDuplicate = true; |
661 | } |
662 | } |
663 | } |
664 | } |
665 | return IsDuplicate; |
666 | } |
667 | |
668 | /// Add location of previously encountered target to internal vector |
669 | void addTargetDirLocation(SourceLocation LocStart) { |
670 | TargetLocations.push_back(LocStart); |
671 | } |
672 | |
673 | /// Add location for the first encountered atomicc directive. |
674 | void addAtomicDirectiveLoc(SourceLocation Loc) { |
675 | if (AtomicLocation.isInvalid()) |
676 | AtomicLocation = Loc; |
677 | } |
678 | |
679 | /// Returns the location of the first encountered atomic directive in the |
680 | /// module. |
681 | SourceLocation getAtomicDirectiveLoc() const { return AtomicLocation; } |
682 | |
683 | // Return previously encountered target region locations. |
684 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { |
685 | return TargetLocations; |
686 | } |
687 | |
688 | /// Set default data sharing attribute to none. |
689 | void setDefaultDSANone(SourceLocation Loc) { |
690 | getTopOfStack().DefaultAttr = DSA_none; |
691 | getTopOfStack().DefaultAttrLoc = Loc; |
692 | } |
693 | /// Set default data sharing attribute to shared. |
694 | void setDefaultDSAShared(SourceLocation Loc) { |
695 | getTopOfStack().DefaultAttr = DSA_shared; |
696 | getTopOfStack().DefaultAttrLoc = Loc; |
697 | } |
698 | /// Set default data sharing attribute to firstprivate. |
699 | void setDefaultDSAFirstPrivate(SourceLocation Loc) { |
700 | getTopOfStack().DefaultAttr = DSA_firstprivate; |
701 | getTopOfStack().DefaultAttrLoc = Loc; |
702 | } |
703 | /// Set default data mapping attribute to Modifier:Kind |
704 | void setDefaultDMAAttr(OpenMPDefaultmapClauseModifier M, |
705 | OpenMPDefaultmapClauseKind Kind, SourceLocation Loc) { |
706 | DefaultmapInfo &DMI = getTopOfStack().DefaultmapMap[Kind]; |
707 | DMI.ImplicitBehavior = M; |
708 | DMI.SLoc = Loc; |
709 | } |
710 | /// Check whether the implicit-behavior has been set in defaultmap |
711 | bool checkDefaultmapCategory(OpenMPDefaultmapClauseKind VariableCategory) { |
712 | if (VariableCategory == OMPC_DEFAULTMAP_unknown) |
713 | return getTopOfStack() |
714 | .DefaultmapMap[OMPC_DEFAULTMAP_aggregate] |
715 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || |
716 | getTopOfStack() |
717 | .DefaultmapMap[OMPC_DEFAULTMAP_scalar] |
718 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || |
719 | getTopOfStack() |
720 | .DefaultmapMap[OMPC_DEFAULTMAP_pointer] |
721 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown; |
722 | return getTopOfStack().DefaultmapMap[VariableCategory].ImplicitBehavior != |
723 | OMPC_DEFAULTMAP_MODIFIER_unknown; |
724 | } |
725 | |
726 | ArrayRef<llvm::omp::TraitProperty> getConstructTraits() { |
727 | return ConstructTraits; |
728 | } |
729 | void handleConstructTrait(ArrayRef<llvm::omp::TraitProperty> Traits, |
730 | bool ScopeEntry) { |
731 | if (ScopeEntry) |
732 | ConstructTraits.append(Traits.begin(), Traits.end()); |
733 | else |
734 | for (llvm::omp::TraitProperty Trait : llvm::reverse(Traits)) { |
735 | llvm::omp::TraitProperty Top = ConstructTraits.pop_back_val(); |
736 | assert(Top == Trait && "Something left a trait on the stack!")(static_cast <bool> (Top == Trait && "Something left a trait on the stack!" ) ? void (0) : __assert_fail ("Top == Trait && \"Something left a trait on the stack!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 736, __extension__ __PRETTY_FUNCTION__ )); |
737 | (void)Trait; |
738 | (void)Top; |
739 | } |
740 | } |
741 | |
742 | DefaultDataSharingAttributes getDefaultDSA(unsigned Level) const { |
743 | return getStackSize() <= Level ? DSA_unspecified |
744 | : getStackElemAtLevel(Level).DefaultAttr; |
745 | } |
746 | DefaultDataSharingAttributes getDefaultDSA() const { |
747 | return isStackEmpty() ? DSA_unspecified : getTopOfStack().DefaultAttr; |
748 | } |
749 | SourceLocation getDefaultDSALocation() const { |
750 | return isStackEmpty() ? SourceLocation() : getTopOfStack().DefaultAttrLoc; |
751 | } |
752 | OpenMPDefaultmapClauseModifier |
753 | getDefaultmapModifier(OpenMPDefaultmapClauseKind Kind) const { |
754 | return isStackEmpty() |
755 | ? OMPC_DEFAULTMAP_MODIFIER_unknown |
756 | : getTopOfStack().DefaultmapMap[Kind].ImplicitBehavior; |
757 | } |
758 | OpenMPDefaultmapClauseModifier |
759 | getDefaultmapModifierAtLevel(unsigned Level, |
760 | OpenMPDefaultmapClauseKind Kind) const { |
761 | return getStackElemAtLevel(Level).DefaultmapMap[Kind].ImplicitBehavior; |
762 | } |
763 | bool isDefaultmapCapturedByRef(unsigned Level, |
764 | OpenMPDefaultmapClauseKind Kind) const { |
765 | OpenMPDefaultmapClauseModifier M = |
766 | getDefaultmapModifierAtLevel(Level, Kind); |
767 | if (Kind == OMPC_DEFAULTMAP_scalar || Kind == OMPC_DEFAULTMAP_pointer) { |
768 | return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) || |
769 | (M == OMPC_DEFAULTMAP_MODIFIER_to) || |
770 | (M == OMPC_DEFAULTMAP_MODIFIER_from) || |
771 | (M == OMPC_DEFAULTMAP_MODIFIER_tofrom); |
772 | } |
773 | return true; |
774 | } |
775 | static bool mustBeFirstprivateBase(OpenMPDefaultmapClauseModifier M, |
776 | OpenMPDefaultmapClauseKind Kind) { |
777 | switch (Kind) { |
778 | case OMPC_DEFAULTMAP_scalar: |
779 | case OMPC_DEFAULTMAP_pointer: |
780 | return (M == OMPC_DEFAULTMAP_MODIFIER_unknown) || |
781 | (M == OMPC_DEFAULTMAP_MODIFIER_firstprivate) || |
782 | (M == OMPC_DEFAULTMAP_MODIFIER_default); |
783 | case OMPC_DEFAULTMAP_aggregate: |
784 | return M == OMPC_DEFAULTMAP_MODIFIER_firstprivate; |
785 | default: |
786 | break; |
787 | } |
788 | llvm_unreachable("Unexpected OpenMPDefaultmapClauseKind enum")::llvm::llvm_unreachable_internal("Unexpected OpenMPDefaultmapClauseKind enum" , "clang/lib/Sema/SemaOpenMP.cpp", 788); |
789 | } |
790 | bool mustBeFirstprivateAtLevel(unsigned Level, |
791 | OpenMPDefaultmapClauseKind Kind) const { |
792 | OpenMPDefaultmapClauseModifier M = |
793 | getDefaultmapModifierAtLevel(Level, Kind); |
794 | return mustBeFirstprivateBase(M, Kind); |
795 | } |
796 | bool mustBeFirstprivate(OpenMPDefaultmapClauseKind Kind) const { |
797 | OpenMPDefaultmapClauseModifier M = getDefaultmapModifier(Kind); |
798 | return mustBeFirstprivateBase(M, Kind); |
799 | } |
800 | |
801 | /// Checks if the specified variable is a threadprivate. |
802 | bool isThreadPrivate(VarDecl *D) { |
803 | const DSAVarData DVar = getTopDSA(D, false); |
804 | return isOpenMPThreadPrivate(DVar.CKind); |
805 | } |
806 | |
807 | /// Marks current region as ordered (it has an 'ordered' clause). |
808 | void setOrderedRegion(bool IsOrdered, const Expr *Param, |
809 | OMPOrderedClause *Clause) { |
810 | if (IsOrdered) |
811 | getTopOfStack().OrderedRegion.emplace(Param, Clause); |
812 | else |
813 | getTopOfStack().OrderedRegion.reset(); |
814 | } |
815 | /// Returns true, if region is ordered (has associated 'ordered' clause), |
816 | /// false - otherwise. |
817 | bool isOrderedRegion() const { |
818 | if (const SharingMapTy *Top = getTopOfStackOrNull()) |
819 | return Top->OrderedRegion.hasValue(); |
820 | return false; |
821 | } |
822 | /// Returns optional parameter for the ordered region. |
823 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { |
824 | if (const SharingMapTy *Top = getTopOfStackOrNull()) |
825 | if (Top->OrderedRegion.hasValue()) |
826 | return Top->OrderedRegion.getValue(); |
827 | return std::make_pair(nullptr, nullptr); |
828 | } |
829 | /// Returns true, if parent region is ordered (has associated |
830 | /// 'ordered' clause), false - otherwise. |
831 | bool isParentOrderedRegion() const { |
832 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
833 | return Parent->OrderedRegion.hasValue(); |
834 | return false; |
835 | } |
836 | /// Returns optional parameter for the ordered region. |
837 | std::pair<const Expr *, OMPOrderedClause *> |
838 | getParentOrderedRegionParam() const { |
839 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
840 | if (Parent->OrderedRegion.hasValue()) |
841 | return Parent->OrderedRegion.getValue(); |
842 | return std::make_pair(nullptr, nullptr); |
843 | } |
844 | /// Marks current region as nowait (it has a 'nowait' clause). |
845 | void setNowaitRegion(bool IsNowait = true) { |
846 | getTopOfStack().NowaitRegion = IsNowait; |
847 | } |
848 | /// Returns true, if parent region is nowait (has associated |
849 | /// 'nowait' clause), false - otherwise. |
850 | bool isParentNowaitRegion() const { |
851 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
852 | return Parent->NowaitRegion; |
853 | return false; |
854 | } |
855 | /// Marks current region as untied (it has a 'untied' clause). |
856 | void setUntiedRegion(bool IsUntied = true) { |
857 | getTopOfStack().UntiedRegion = IsUntied; |
858 | } |
859 | /// Return true if current region is untied. |
860 | bool isUntiedRegion() const { |
861 | const SharingMapTy *Top = getTopOfStackOrNull(); |
862 | return Top ? Top->UntiedRegion : false; |
863 | } |
864 | /// Marks parent region as cancel region. |
865 | void setParentCancelRegion(bool Cancel = true) { |
866 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
867 | Parent->CancelRegion |= Cancel; |
868 | } |
869 | /// Return true if current region has inner cancel construct. |
870 | bool isCancelRegion() const { |
871 | const SharingMapTy *Top = getTopOfStackOrNull(); |
872 | return Top ? Top->CancelRegion : false; |
873 | } |
874 | |
875 | /// Mark that parent region already has scan directive. |
876 | void setParentHasScanDirective(SourceLocation Loc) { |
877 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
878 | Parent->PrevScanLocation = Loc; |
879 | } |
880 | /// Return true if current region has inner cancel construct. |
881 | bool doesParentHasScanDirective() const { |
882 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
883 | return Top ? Top->PrevScanLocation.isValid() : false; |
884 | } |
885 | /// Return true if current region has inner cancel construct. |
886 | SourceLocation getParentScanDirectiveLoc() const { |
887 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
888 | return Top ? Top->PrevScanLocation : SourceLocation(); |
889 | } |
890 | /// Mark that parent region already has ordered directive. |
891 | void setParentHasOrderedDirective(SourceLocation Loc) { |
892 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
893 | Parent->PrevOrderedLocation = Loc; |
894 | } |
895 | /// Return true if current region has inner ordered construct. |
896 | bool doesParentHasOrderedDirective() const { |
897 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
898 | return Top ? Top->PrevOrderedLocation.isValid() : false; |
899 | } |
900 | /// Returns the location of the previously specified ordered directive. |
901 | SourceLocation getParentOrderedDirectiveLoc() const { |
902 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
903 | return Top ? Top->PrevOrderedLocation : SourceLocation(); |
904 | } |
905 | |
906 | /// Set collapse value for the region. |
907 | void setAssociatedLoops(unsigned Val) { |
908 | getTopOfStack().AssociatedLoops = Val; |
909 | if (Val > 1) |
910 | getTopOfStack().HasMutipleLoops = true; |
911 | } |
912 | /// Return collapse value for region. |
913 | unsigned getAssociatedLoops() const { |
914 | const SharingMapTy *Top = getTopOfStackOrNull(); |
915 | return Top ? Top->AssociatedLoops : 0; |
916 | } |
917 | /// Returns true if the construct is associated with multiple loops. |
918 | bool hasMutipleLoops() const { |
919 | const SharingMapTy *Top = getTopOfStackOrNull(); |
920 | return Top ? Top->HasMutipleLoops : false; |
921 | } |
922 | |
923 | /// Marks current target region as one with closely nested teams |
924 | /// region. |
925 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { |
926 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
927 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; |
928 | } |
929 | /// Returns true, if current region has closely nested teams region. |
930 | bool hasInnerTeamsRegion() const { |
931 | return getInnerTeamsRegionLoc().isValid(); |
932 | } |
933 | /// Returns location of the nested teams region (if any). |
934 | SourceLocation getInnerTeamsRegionLoc() const { |
935 | const SharingMapTy *Top = getTopOfStackOrNull(); |
936 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); |
937 | } |
938 | |
939 | Scope *getCurScope() const { |
940 | const SharingMapTy *Top = getTopOfStackOrNull(); |
941 | return Top ? Top->CurScope : nullptr; |
942 | } |
943 | void setContext(DeclContext *DC) { getTopOfStack().Context = DC; } |
944 | SourceLocation getConstructLoc() const { |
945 | const SharingMapTy *Top = getTopOfStackOrNull(); |
946 | return Top ? Top->ConstructLoc : SourceLocation(); |
947 | } |
948 | |
949 | /// Do the check specified in \a Check to all component lists and return true |
950 | /// if any issue is found. |
951 | bool checkMappableExprComponentListsForDecl( |
952 | const ValueDecl *VD, bool CurrentRegionOnly, |
953 | const llvm::function_ref< |
954 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, |
955 | OpenMPClauseKind)> |
956 | Check) const { |
957 | if (isStackEmpty()) |
958 | return false; |
959 | auto SI = begin(); |
960 | auto SE = end(); |
961 | |
962 | if (SI == SE) |
963 | return false; |
964 | |
965 | if (CurrentRegionOnly) |
966 | SE = std::next(SI); |
967 | else |
968 | std::advance(SI, 1); |
969 | |
970 | for (; SI != SE; ++SI) { |
971 | auto MI = SI->MappedExprComponents.find(VD); |
972 | if (MI != SI->MappedExprComponents.end()) |
973 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : |
974 | MI->second.Components) |
975 | if (Check(L, MI->second.Kind)) |
976 | return true; |
977 | } |
978 | return false; |
979 | } |
980 | |
981 | /// Do the check specified in \a Check to all component lists at a given level |
982 | /// and return true if any issue is found. |
983 | bool checkMappableExprComponentListsForDeclAtLevel( |
984 | const ValueDecl *VD, unsigned Level, |
985 | const llvm::function_ref< |
986 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, |
987 | OpenMPClauseKind)> |
988 | Check) const { |
989 | if (getStackSize() <= Level) |
990 | return false; |
991 | |
992 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
993 | auto MI = StackElem.MappedExprComponents.find(VD); |
994 | if (MI != StackElem.MappedExprComponents.end()) |
995 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : |
996 | MI->second.Components) |
997 | if (Check(L, MI->second.Kind)) |
998 | return true; |
999 | return false; |
1000 | } |
1001 | |
1002 | /// Create a new mappable expression component list associated with a given |
1003 | /// declaration and initialize it with the provided list of components. |
1004 | void addMappableExpressionComponents( |
1005 | const ValueDecl *VD, |
1006 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, |
1007 | OpenMPClauseKind WhereFoundClauseKind) { |
1008 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; |
1009 | // Create new entry and append the new components there. |
1010 | MEC.Components.resize(MEC.Components.size() + 1); |
1011 | MEC.Components.back().append(Components.begin(), Components.end()); |
1012 | MEC.Kind = WhereFoundClauseKind; |
1013 | } |
1014 | |
1015 | unsigned getNestingLevel() const { |
1016 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "clang/lib/Sema/SemaOpenMP.cpp", 1016, __extension__ __PRETTY_FUNCTION__)); |
1017 | return getStackSize() - 1; |
1018 | } |
1019 | void addDoacrossDependClause(OMPDependClause *C, |
1020 | const OperatorOffsetTy &OpsOffs) { |
1021 | SharingMapTy *Parent = getSecondOnStackOrNull(); |
1022 | assert(Parent && isOpenMPWorksharingDirective(Parent->Directive))(static_cast <bool> (Parent && isOpenMPWorksharingDirective (Parent->Directive)) ? void (0) : __assert_fail ("Parent && isOpenMPWorksharingDirective(Parent->Directive)" , "clang/lib/Sema/SemaOpenMP.cpp", 1022, __extension__ __PRETTY_FUNCTION__ )); |
1023 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); |
1024 | } |
1025 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> |
1026 | getDoacrossDependClauses() const { |
1027 | const SharingMapTy &StackElem = getTopOfStack(); |
1028 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { |
1029 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; |
1030 | return llvm::make_range(Ref.begin(), Ref.end()); |
1031 | } |
1032 | return llvm::make_range(StackElem.DoacrossDepends.end(), |
1033 | StackElem.DoacrossDepends.end()); |
1034 | } |
1035 | |
1036 | // Store types of classes which have been explicitly mapped |
1037 | void addMappedClassesQualTypes(QualType QT) { |
1038 | SharingMapTy &StackElem = getTopOfStack(); |
1039 | StackElem.MappedClassesQualTypes.insert(QT); |
1040 | } |
1041 | |
1042 | // Return set of mapped classes types |
1043 | bool isClassPreviouslyMapped(QualType QT) const { |
1044 | const SharingMapTy &StackElem = getTopOfStack(); |
1045 | return StackElem.MappedClassesQualTypes.contains(QT); |
1046 | } |
1047 | |
1048 | /// Adds global declare target to the parent target region. |
1049 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { |
1050 | assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration((static_cast <bool> (*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration ( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global.") ? void (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1052, __extension__ __PRETTY_FUNCTION__ )) |
1051 | E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link &&(static_cast <bool> (*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration ( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global.") ? void (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1052, __extension__ __PRETTY_FUNCTION__ )) |
1052 | "Expected declare target link global.")(static_cast <bool> (*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration ( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global.") ? void (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1052, __extension__ __PRETTY_FUNCTION__ )); |
1053 | for (auto &Elem : *this) { |
1054 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { |
1055 | Elem.DeclareTargetLinkVarDecls.push_back(E); |
1056 | return; |
1057 | } |
1058 | } |
1059 | } |
1060 | |
1061 | /// Returns the list of globals with declare target link if current directive |
1062 | /// is target. |
1063 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { |
1064 | assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) &&(static_cast <bool> (isOpenMPTargetExecutionDirective(getCurrentDirective ()) && "Expected target executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1065, __extension__ __PRETTY_FUNCTION__ )) |
1065 | "Expected target executable directive.")(static_cast <bool> (isOpenMPTargetExecutionDirective(getCurrentDirective ()) && "Expected target executable directive.") ? void (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1065, __extension__ __PRETTY_FUNCTION__ )); |
1066 | return getTopOfStack().DeclareTargetLinkVarDecls; |
1067 | } |
1068 | |
1069 | /// Adds list of allocators expressions. |
1070 | void addInnerAllocatorExpr(Expr *E) { |
1071 | getTopOfStack().InnerUsedAllocators.push_back(E); |
1072 | } |
1073 | /// Return list of used allocators. |
1074 | ArrayRef<Expr *> getInnerAllocators() const { |
1075 | return getTopOfStack().InnerUsedAllocators; |
1076 | } |
1077 | /// Marks the declaration as implicitly firstprivate nin the task-based |
1078 | /// regions. |
1079 | void addImplicitTaskFirstprivate(unsigned Level, Decl *D) { |
1080 | getStackElemAtLevel(Level).ImplicitTaskFirstprivates.insert(D); |
1081 | } |
1082 | /// Checks if the decl is implicitly firstprivate in the task-based region. |
1083 | bool isImplicitTaskFirstprivate(Decl *D) const { |
1084 | return getTopOfStack().ImplicitTaskFirstprivates.contains(D); |
1085 | } |
1086 | |
1087 | /// Marks decl as used in uses_allocators clause as the allocator. |
1088 | void addUsesAllocatorsDecl(const Decl *D, UsesAllocatorsDeclKind Kind) { |
1089 | getTopOfStack().UsesAllocatorsDecls.try_emplace(D, Kind); |
1090 | } |
1091 | /// Checks if specified decl is used in uses allocator clause as the |
1092 | /// allocator. |
1093 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(unsigned Level, |
1094 | const Decl *D) const { |
1095 | const SharingMapTy &StackElem = getTopOfStack(); |
1096 | auto I = StackElem.UsesAllocatorsDecls.find(D); |
1097 | if (I == StackElem.UsesAllocatorsDecls.end()) |
1098 | return None; |
1099 | return I->getSecond(); |
1100 | } |
1101 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(const Decl *D) const { |
1102 | const SharingMapTy &StackElem = getTopOfStack(); |
1103 | auto I = StackElem.UsesAllocatorsDecls.find(D); |
1104 | if (I == StackElem.UsesAllocatorsDecls.end()) |
1105 | return None; |
1106 | return I->getSecond(); |
1107 | } |
1108 | |
1109 | void addDeclareMapperVarRef(Expr *Ref) { |
1110 | SharingMapTy &StackElem = getTopOfStack(); |
1111 | StackElem.DeclareMapperVar = Ref; |
1112 | } |
1113 | const Expr *getDeclareMapperVarRef() const { |
1114 | const SharingMapTy *Top = getTopOfStackOrNull(); |
1115 | return Top ? Top->DeclareMapperVar : nullptr; |
1116 | } |
1117 | }; |
1118 | |
1119 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { |
1120 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); |
1121 | } |
1122 | |
1123 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { |
1124 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || |
1125 | DKind == OMPD_unknown; |
1126 | } |
1127 | |
1128 | } // namespace |
1129 | |
1130 | static const Expr *getExprAsWritten(const Expr *E) { |
1131 | if (const auto *FE = dyn_cast<FullExpr>(E)) |
1132 | E = FE->getSubExpr(); |
1133 | |
1134 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) |
1135 | E = MTE->getSubExpr(); |
1136 | |
1137 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) |
1138 | E = Binder->getSubExpr(); |
1139 | |
1140 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) |
1141 | E = ICE->getSubExprAsWritten(); |
1142 | return E->IgnoreParens(); |
1143 | } |
1144 | |
1145 | static Expr *getExprAsWritten(Expr *E) { |
1146 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); |
1147 | } |
1148 | |
1149 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { |
1150 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) |
1151 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
1152 | D = ME->getMemberDecl(); |
1153 | const auto *VD = dyn_cast<VarDecl>(D); |
1154 | const auto *FD = dyn_cast<FieldDecl>(D); |
1155 | if (VD != nullptr) { |
1156 | VD = VD->getCanonicalDecl(); |
1157 | D = VD; |
1158 | } else { |
1159 | assert(FD)(static_cast <bool> (FD) ? void (0) : __assert_fail ("FD" , "clang/lib/Sema/SemaOpenMP.cpp", 1159, __extension__ __PRETTY_FUNCTION__ )); |
1160 | FD = FD->getCanonicalDecl(); |
1161 | D = FD; |
1162 | } |
1163 | return D; |
1164 | } |
1165 | |
1166 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { |
1167 | return const_cast<ValueDecl *>( |
1168 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); |
1169 | } |
1170 | |
1171 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, |
1172 | ValueDecl *D) const { |
1173 | D = getCanonicalDecl(D); |
1174 | auto *VD = dyn_cast<VarDecl>(D); |
1175 | const auto *FD = dyn_cast<FieldDecl>(D); |
1176 | DSAVarData DVar; |
1177 | if (Iter == end()) { |
1178 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1179 | // in a region but not in construct] |
1180 | // File-scope or namespace-scope variables referenced in called routines |
1181 | // in the region are shared unless they appear in a threadprivate |
1182 | // directive. |
1183 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) |
1184 | DVar.CKind = OMPC_shared; |
1185 | |
1186 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced |
1187 | // in a region but not in construct] |
1188 | // Variables with static storage duration that are declared in called |
1189 | // routines in the region are shared. |
1190 | if (VD && VD->hasGlobalStorage()) |
1191 | DVar.CKind = OMPC_shared; |
1192 | |
1193 | // Non-static data members are shared by default. |
1194 | if (FD) |
1195 | DVar.CKind = OMPC_shared; |
1196 | |
1197 | return DVar; |
1198 | } |
1199 | |
1200 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1201 | // in a Construct, C/C++, predetermined, p.1] |
1202 | // Variables with automatic storage duration that are declared in a scope |
1203 | // inside the construct are private. |
1204 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && |
1205 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { |
1206 | DVar.CKind = OMPC_private; |
1207 | return DVar; |
1208 | } |
1209 | |
1210 | DVar.DKind = Iter->Directive; |
1211 | // Explicitly specified attributes and local variables with predetermined |
1212 | // attributes. |
1213 | if (Iter->SharingMap.count(D)) { |
1214 | const DSAInfo &Data = Iter->SharingMap.lookup(D); |
1215 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1216 | DVar.PrivateCopy = Data.PrivateCopy; |
1217 | DVar.CKind = Data.Attributes; |
1218 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1219 | DVar.Modifier = Data.Modifier; |
1220 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1221 | return DVar; |
1222 | } |
1223 | |
1224 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1225 | // in a Construct, C/C++, implicitly determined, p.1] |
1226 | // In a parallel or task construct, the data-sharing attributes of these |
1227 | // variables are determined by the default clause, if present. |
1228 | switch (Iter->DefaultAttr) { |
1229 | case DSA_shared: |
1230 | DVar.CKind = OMPC_shared; |
1231 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1232 | return DVar; |
1233 | case DSA_none: |
1234 | return DVar; |
1235 | case DSA_firstprivate: |
1236 | if (VD->getStorageDuration() == SD_Static && |
1237 | VD->getDeclContext()->isFileContext()) { |
1238 | DVar.CKind = OMPC_unknown; |
1239 | } else { |
1240 | DVar.CKind = OMPC_firstprivate; |
1241 | } |
1242 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1243 | return DVar; |
1244 | case DSA_unspecified: |
1245 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1246 | // in a Construct, implicitly determined, p.2] |
1247 | // In a parallel construct, if no default clause is present, these |
1248 | // variables are shared. |
1249 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1250 | if ((isOpenMPParallelDirective(DVar.DKind) && |
1251 | !isOpenMPTaskLoopDirective(DVar.DKind)) || |
1252 | isOpenMPTeamsDirective(DVar.DKind)) { |
1253 | DVar.CKind = OMPC_shared; |
1254 | return DVar; |
1255 | } |
1256 | |
1257 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1258 | // in a Construct, implicitly determined, p.4] |
1259 | // In a task construct, if no default clause is present, a variable that in |
1260 | // the enclosing context is determined to be shared by all implicit tasks |
1261 | // bound to the current team is shared. |
1262 | if (isOpenMPTaskingDirective(DVar.DKind)) { |
1263 | DSAVarData DVarTemp; |
1264 | const_iterator I = Iter, E = end(); |
1265 | do { |
1266 | ++I; |
1267 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables |
1268 | // Referenced in a Construct, implicitly determined, p.6] |
1269 | // In a task construct, if no default clause is present, a variable |
1270 | // whose data-sharing attribute is not determined by the rules above is |
1271 | // firstprivate. |
1272 | DVarTemp = getDSA(I, D); |
1273 | if (DVarTemp.CKind != OMPC_shared) { |
1274 | DVar.RefExpr = nullptr; |
1275 | DVar.CKind = OMPC_firstprivate; |
1276 | return DVar; |
1277 | } |
1278 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); |
1279 | DVar.CKind = |
1280 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; |
1281 | return DVar; |
1282 | } |
1283 | } |
1284 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1285 | // in a Construct, implicitly determined, p.3] |
1286 | // For constructs other than task, if no default clause is present, these |
1287 | // variables inherit their data-sharing attributes from the enclosing |
1288 | // context. |
1289 | return getDSA(++Iter, D); |
1290 | } |
1291 | |
1292 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, |
1293 | const Expr *NewDE) { |
1294 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1294, __extension__ __PRETTY_FUNCTION__ )); |
1295 | D = getCanonicalDecl(D); |
1296 | SharingMapTy &StackElem = getTopOfStack(); |
1297 | auto It = StackElem.AlignedMap.find(D); |
1298 | if (It == StackElem.AlignedMap.end()) { |
1299 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")(static_cast <bool> (NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? void (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1299, __extension__ __PRETTY_FUNCTION__ )); |
1300 | StackElem.AlignedMap[D] = NewDE; |
1301 | return nullptr; |
1302 | } |
1303 | assert(It->second && "Unexpected nullptr expr in the aligned map")(static_cast <bool> (It->second && "Unexpected nullptr expr in the aligned map" ) ? void (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1303, __extension__ __PRETTY_FUNCTION__ )); |
1304 | return It->second; |
1305 | } |
1306 | |
1307 | const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D, |
1308 | const Expr *NewDE) { |
1309 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1309, __extension__ __PRETTY_FUNCTION__ )); |
1310 | D = getCanonicalDecl(D); |
1311 | SharingMapTy &StackElem = getTopOfStack(); |
1312 | auto It = StackElem.NontemporalMap.find(D); |
1313 | if (It == StackElem.NontemporalMap.end()) { |
1314 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")(static_cast <bool> (NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? void (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1314, __extension__ __PRETTY_FUNCTION__ )); |
1315 | StackElem.NontemporalMap[D] = NewDE; |
1316 | return nullptr; |
1317 | } |
1318 | assert(It->second && "Unexpected nullptr expr in the aligned map")(static_cast <bool> (It->second && "Unexpected nullptr expr in the aligned map" ) ? void (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1318, __extension__ __PRETTY_FUNCTION__ )); |
1319 | return It->second; |
1320 | } |
1321 | |
1322 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { |
1323 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1323, __extension__ __PRETTY_FUNCTION__ )); |
1324 | D = getCanonicalDecl(D); |
1325 | SharingMapTy &StackElem = getTopOfStack(); |
1326 | StackElem.LCVMap.try_emplace( |
1327 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); |
1328 | } |
1329 | |
1330 | const DSAStackTy::LCDeclInfo |
1331 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { |
1332 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1332, __extension__ __PRETTY_FUNCTION__ )); |
1333 | D = getCanonicalDecl(D); |
1334 | const SharingMapTy &StackElem = getTopOfStack(); |
1335 | auto It = StackElem.LCVMap.find(D); |
1336 | if (It != StackElem.LCVMap.end()) |
1337 | return It->second; |
1338 | return {0, nullptr}; |
1339 | } |
1340 | |
1341 | const DSAStackTy::LCDeclInfo |
1342 | DSAStackTy::isLoopControlVariable(const ValueDecl *D, unsigned Level) const { |
1343 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1343, __extension__ __PRETTY_FUNCTION__ )); |
1344 | D = getCanonicalDecl(D); |
1345 | for (unsigned I = Level + 1; I > 0; --I) { |
1346 | const SharingMapTy &StackElem = getStackElemAtLevel(I - 1); |
1347 | auto It = StackElem.LCVMap.find(D); |
1348 | if (It != StackElem.LCVMap.end()) |
1349 | return It->second; |
1350 | } |
1351 | return {0, nullptr}; |
1352 | } |
1353 | |
1354 | const DSAStackTy::LCDeclInfo |
1355 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { |
1356 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
1357 | assert(Parent && "Data-sharing attributes stack is empty")(static_cast <bool> (Parent && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1357, __extension__ __PRETTY_FUNCTION__ )); |
1358 | D = getCanonicalDecl(D); |
1359 | auto It = Parent->LCVMap.find(D); |
1360 | if (It != Parent->LCVMap.end()) |
1361 | return It->second; |
1362 | return {0, nullptr}; |
1363 | } |
1364 | |
1365 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { |
1366 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
1367 | assert(Parent && "Data-sharing attributes stack is empty")(static_cast <bool> (Parent && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1367, __extension__ __PRETTY_FUNCTION__ )); |
1368 | if (Parent->LCVMap.size() < I) |
1369 | return nullptr; |
1370 | for (const auto &Pair : Parent->LCVMap) |
1371 | if (Pair.second.first == I) |
1372 | return Pair.first; |
1373 | return nullptr; |
1374 | } |
1375 | |
1376 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, |
1377 | DeclRefExpr *PrivateCopy, unsigned Modifier, |
1378 | bool AppliedToPointee) { |
1379 | D = getCanonicalDecl(D); |
1380 | if (A == OMPC_threadprivate) { |
1381 | DSAInfo &Data = Threadprivates[D]; |
1382 | Data.Attributes = A; |
1383 | Data.RefExpr.setPointer(E); |
1384 | Data.PrivateCopy = nullptr; |
1385 | Data.Modifier = Modifier; |
1386 | } else { |
1387 | DSAInfo &Data = getTopOfStack().SharingMap[D]; |
1388 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||(static_cast <bool> (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)) ? 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)" , "clang/lib/Sema/SemaOpenMP.cpp", 1391, __extension__ __PRETTY_FUNCTION__ )) |
1389 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||(static_cast <bool> (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)) ? 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)" , "clang/lib/Sema/SemaOpenMP.cpp", 1391, __extension__ __PRETTY_FUNCTION__ )) |
1390 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||(static_cast <bool> (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)) ? 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)" , "clang/lib/Sema/SemaOpenMP.cpp", 1391, __extension__ __PRETTY_FUNCTION__ )) |
1391 | (isLoopControlVariable(D).first && A == OMPC_private))(static_cast <bool> (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)) ? 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)" , "clang/lib/Sema/SemaOpenMP.cpp", 1391, __extension__ __PRETTY_FUNCTION__ )); |
1392 | Data.Modifier = Modifier; |
1393 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { |
1394 | Data.RefExpr.setInt(/*IntVal=*/true); |
1395 | return; |
1396 | } |
1397 | const bool IsLastprivate = |
1398 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; |
1399 | Data.Attributes = A; |
1400 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); |
1401 | Data.PrivateCopy = PrivateCopy; |
1402 | Data.AppliedToPointee = AppliedToPointee; |
1403 | if (PrivateCopy) { |
1404 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; |
1405 | Data.Modifier = Modifier; |
1406 | Data.Attributes = A; |
1407 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); |
1408 | Data.PrivateCopy = nullptr; |
1409 | Data.AppliedToPointee = AppliedToPointee; |
1410 | } |
1411 | } |
1412 | } |
1413 | |
1414 | /// Build a variable declaration for OpenMP loop iteration variable. |
1415 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, |
1416 | StringRef Name, const AttrVec *Attrs = nullptr, |
1417 | DeclRefExpr *OrigRef = nullptr) { |
1418 | DeclContext *DC = SemaRef.CurContext; |
1419 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); |
1420 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); |
1421 | auto *Decl = |
1422 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); |
1423 | if (Attrs) { |
1424 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); |
1425 | I != E; ++I) |
1426 | Decl->addAttr(*I); |
1427 | } |
1428 | Decl->setImplicit(); |
1429 | if (OrigRef) { |
1430 | Decl->addAttr( |
1431 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); |
1432 | } |
1433 | return Decl; |
1434 | } |
1435 | |
1436 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, |
1437 | SourceLocation Loc, |
1438 | bool RefersToCapture = false) { |
1439 | D->setReferenced(); |
1440 | D->markUsed(S.Context); |
1441 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), |
1442 | SourceLocation(), D, RefersToCapture, Loc, Ty, |
1443 | VK_LValue); |
1444 | } |
1445 | |
1446 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
1447 | BinaryOperatorKind BOK) { |
1448 | D = getCanonicalDecl(D); |
1449 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1449, __extension__ __PRETTY_FUNCTION__ )); |
1450 | assert((static_cast <bool> (getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1452, __extension__ __PRETTY_FUNCTION__ )) |
1451 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&(static_cast <bool> (getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1452, __extension__ __PRETTY_FUNCTION__ )) |
1452 | "Additional reduction info may be specified only for reduction items.")(static_cast <bool> (getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1452, __extension__ __PRETTY_FUNCTION__ )); |
1453 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; |
1454 | assert(ReductionData.ReductionRange.isInvalid() &&(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1460, __extension__ __PRETTY_FUNCTION__ )) |
1455 | (getTopOfStack().Directive == OMPD_taskgroup ||(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1460, __extension__ __PRETTY_FUNCTION__ )) |
1456 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1460, __extension__ __PRETTY_FUNCTION__ )) |
1457 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1460, __extension__ __PRETTY_FUNCTION__ )) |
1458 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1460, __extension__ __PRETTY_FUNCTION__ )) |
1459 | "Additional reduction info may be specified only once for reduction "(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1460, __extension__ __PRETTY_FUNCTION__ )) |
1460 | "items.")(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1460, __extension__ __PRETTY_FUNCTION__ )); |
1461 | ReductionData.set(BOK, SR); |
1462 | Expr *&TaskgroupReductionRef = getTopOfStack().TaskgroupReductionRef; |
1463 | if (!TaskgroupReductionRef) { |
1464 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), |
1465 | SemaRef.Context.VoidPtrTy, ".task_red."); |
1466 | TaskgroupReductionRef = |
1467 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); |
1468 | } |
1469 | } |
1470 | |
1471 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
1472 | const Expr *ReductionRef) { |
1473 | D = getCanonicalDecl(D); |
1474 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1474, __extension__ __PRETTY_FUNCTION__ )); |
1475 | assert((static_cast <bool> (getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1477, __extension__ __PRETTY_FUNCTION__ )) |
1476 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&(static_cast <bool> (getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1477, __extension__ __PRETTY_FUNCTION__ )) |
1477 | "Additional reduction info may be specified only for reduction items.")(static_cast <bool> (getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1477, __extension__ __PRETTY_FUNCTION__ )); |
1478 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; |
1479 | assert(ReductionData.ReductionRange.isInvalid() &&(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1485, __extension__ __PRETTY_FUNCTION__ )) |
1480 | (getTopOfStack().Directive == OMPD_taskgroup ||(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1485, __extension__ __PRETTY_FUNCTION__ )) |
1481 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1485, __extension__ __PRETTY_FUNCTION__ )) |
1482 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1485, __extension__ __PRETTY_FUNCTION__ )) |
1483 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1485, __extension__ __PRETTY_FUNCTION__ )) |
1484 | "Additional reduction info may be specified only once for reduction "(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1485, __extension__ __PRETTY_FUNCTION__ )) |
1485 | "items.")(static_cast <bool> (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.") ? 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.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1485, __extension__ __PRETTY_FUNCTION__ )); |
1486 | ReductionData.set(ReductionRef, SR); |
1487 | Expr *&TaskgroupReductionRef = getTopOfStack().TaskgroupReductionRef; |
1488 | if (!TaskgroupReductionRef) { |
1489 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), |
1490 | SemaRef.Context.VoidPtrTy, ".task_red."); |
1491 | TaskgroupReductionRef = |
1492 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); |
1493 | } |
1494 | } |
1495 | |
1496 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( |
1497 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, |
1498 | Expr *&TaskgroupDescriptor) const { |
1499 | D = getCanonicalDecl(D); |
1500 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1500, __extension__ __PRETTY_FUNCTION__ )); |
1501 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { |
1502 | const DSAInfo &Data = I->SharingMap.lookup(D); |
1503 | if (Data.Attributes != OMPC_reduction || |
1504 | Data.Modifier != OMPC_REDUCTION_task) |
1505 | continue; |
1506 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); |
1507 | if (!ReductionData.ReductionOp || |
1508 | ReductionData.ReductionOp.is<const Expr *>()) |
1509 | return DSAVarData(); |
1510 | SR = ReductionData.ReductionRange; |
1511 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); |
1512 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1514, __extension__ __PRETTY_FUNCTION__ )) |
1513 | "expression for the descriptor is not "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1514, __extension__ __PRETTY_FUNCTION__ )) |
1514 | "set.")(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1514, __extension__ __PRETTY_FUNCTION__ )); |
1515 | TaskgroupDescriptor = I->TaskgroupReductionRef; |
1516 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), |
1517 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, |
1518 | /*AppliedToPointee=*/false); |
1519 | } |
1520 | return DSAVarData(); |
1521 | } |
1522 | |
1523 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( |
1524 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, |
1525 | Expr *&TaskgroupDescriptor) const { |
1526 | D = getCanonicalDecl(D); |
1527 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1527, __extension__ __PRETTY_FUNCTION__ )); |
1528 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { |
1529 | const DSAInfo &Data = I->SharingMap.lookup(D); |
1530 | if (Data.Attributes != OMPC_reduction || |
1531 | Data.Modifier != OMPC_REDUCTION_task) |
1532 | continue; |
1533 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); |
1534 | if (!ReductionData.ReductionOp || |
1535 | !ReductionData.ReductionOp.is<const Expr *>()) |
1536 | return DSAVarData(); |
1537 | SR = ReductionData.ReductionRange; |
1538 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); |
1539 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1541, __extension__ __PRETTY_FUNCTION__ )) |
1540 | "expression for the descriptor is not "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1541, __extension__ __PRETTY_FUNCTION__ )) |
1541 | "set.")(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1541, __extension__ __PRETTY_FUNCTION__ )); |
1542 | TaskgroupDescriptor = I->TaskgroupReductionRef; |
1543 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), |
1544 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, |
1545 | /*AppliedToPointee=*/false); |
1546 | } |
1547 | return DSAVarData(); |
1548 | } |
1549 | |
1550 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { |
1551 | D = D->getCanonicalDecl(); |
1552 | for (const_iterator E = end(); I != E; ++I) { |
1553 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || |
1554 | isOpenMPTargetExecutionDirective(I->Directive)) { |
1555 | if (I->CurScope) { |
1556 | Scope *TopScope = I->CurScope->getParent(); |
1557 | Scope *CurScope = getCurScope(); |
1558 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) |
1559 | CurScope = CurScope->getParent(); |
1560 | return CurScope != TopScope; |
1561 | } |
1562 | for (DeclContext *DC = D->getDeclContext(); DC; DC = DC->getParent()) |
1563 | if (I->Context == DC) |
1564 | return true; |
1565 | return false; |
1566 | } |
1567 | } |
1568 | return false; |
1569 | } |
1570 | |
1571 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, |
1572 | bool AcceptIfMutable = true, |
1573 | bool *IsClassType = nullptr) { |
1574 | ASTContext &Context = SemaRef.getASTContext(); |
1575 | Type = Type.getNonReferenceType().getCanonicalType(); |
1576 | bool IsConstant = Type.isConstant(Context); |
1577 | Type = Context.getBaseElementType(Type); |
1578 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus |
1579 | ? Type->getAsCXXRecordDecl() |
1580 | : nullptr; |
1581 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) |
1582 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) |
1583 | RD = CTD->getTemplatedDecl(); |
1584 | if (IsClassType) |
1585 | *IsClassType = RD; |
1586 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && |
1587 | RD->hasDefinition() && RD->hasMutableFields()); |
1588 | } |
1589 | |
1590 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, |
1591 | QualType Type, OpenMPClauseKind CKind, |
1592 | SourceLocation ELoc, |
1593 | bool AcceptIfMutable = true, |
1594 | bool ListItemNotVar = false) { |
1595 | ASTContext &Context = SemaRef.getASTContext(); |
1596 | bool IsClassType; |
1597 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { |
1598 | unsigned Diag = ListItemNotVar ? diag::err_omp_const_list_item |
1599 | : IsClassType ? diag::err_omp_const_not_mutable_variable |
1600 | : diag::err_omp_const_variable; |
1601 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); |
1602 | if (!ListItemNotVar && D) { |
1603 | const VarDecl *VD = dyn_cast<VarDecl>(D); |
1604 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
1605 | VarDecl::DeclarationOnly; |
1606 | SemaRef.Diag(D->getLocation(), |
1607 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
1608 | << D; |
1609 | } |
1610 | return true; |
1611 | } |
1612 | return false; |
1613 | } |
1614 | |
1615 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, |
1616 | bool FromParent) { |
1617 | D = getCanonicalDecl(D); |
1618 | DSAVarData DVar; |
1619 | |
1620 | auto *VD = dyn_cast<VarDecl>(D); |
1621 | auto TI = Threadprivates.find(D); |
1622 | if (TI != Threadprivates.end()) { |
1623 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); |
1624 | DVar.CKind = OMPC_threadprivate; |
1625 | DVar.Modifier = TI->getSecond().Modifier; |
1626 | return DVar; |
1627 | } |
1628 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { |
1629 | DVar.RefExpr = buildDeclRefExpr( |
1630 | SemaRef, VD, D->getType().getNonReferenceType(), |
1631 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); |
1632 | DVar.CKind = OMPC_threadprivate; |
1633 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); |
1634 | return DVar; |
1635 | } |
1636 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1637 | // in a Construct, C/C++, predetermined, p.1] |
1638 | // Variables appearing in threadprivate directives are threadprivate. |
1639 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && |
1640 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && |
1641 | SemaRef.getLangOpts().OpenMPUseTLS && |
1642 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || |
1643 | (VD && VD->getStorageClass() == SC_Register && |
1644 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { |
1645 | DVar.RefExpr = buildDeclRefExpr( |
1646 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); |
1647 | DVar.CKind = OMPC_threadprivate; |
1648 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); |
1649 | return DVar; |
1650 | } |
1651 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && |
1652 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && |
1653 | !isLoopControlVariable(D).first) { |
1654 | const_iterator IterTarget = |
1655 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { |
1656 | return isOpenMPTargetExecutionDirective(Data.Directive); |
1657 | }); |
1658 | if (IterTarget != end()) { |
1659 | const_iterator ParentIterTarget = IterTarget + 1; |
1660 | for (const_iterator Iter = begin(); Iter != ParentIterTarget; ++Iter) { |
1661 | if (isOpenMPLocal(VD, Iter)) { |
1662 | DVar.RefExpr = |
1663 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), |
1664 | D->getLocation()); |
1665 | DVar.CKind = OMPC_threadprivate; |
1666 | return DVar; |
1667 | } |
1668 | } |
1669 | if (!isClauseParsingMode() || IterTarget != begin()) { |
1670 | auto DSAIter = IterTarget->SharingMap.find(D); |
1671 | if (DSAIter != IterTarget->SharingMap.end() && |
1672 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { |
1673 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); |
1674 | DVar.CKind = OMPC_threadprivate; |
1675 | return DVar; |
1676 | } |
1677 | const_iterator End = end(); |
1678 | if (!SemaRef.isOpenMPCapturedByRef(D, |
1679 | std::distance(ParentIterTarget, End), |
1680 | /*OpenMPCaptureLevel=*/0)) { |
1681 | DVar.RefExpr = |
1682 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), |
1683 | IterTarget->ConstructLoc); |
1684 | DVar.CKind = OMPC_threadprivate; |
1685 | return DVar; |
1686 | } |
1687 | } |
1688 | } |
1689 | } |
1690 | |
1691 | if (isStackEmpty()) |
1692 | // Not in OpenMP execution region and top scope was already checked. |
1693 | return DVar; |
1694 | |
1695 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1696 | // in a Construct, C/C++, predetermined, p.4] |
1697 | // Static data members are shared. |
1698 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1699 | // in a Construct, C/C++, predetermined, p.7] |
1700 | // Variables with static storage duration that are declared in a scope |
1701 | // inside the construct are shared. |
1702 | if (VD && VD->isStaticDataMember()) { |
1703 | // Check for explicitly specified attributes. |
1704 | const_iterator I = begin(); |
1705 | const_iterator EndI = end(); |
1706 | if (FromParent && I != EndI) |
1707 | ++I; |
1708 | if (I != EndI) { |
1709 | auto It = I->SharingMap.find(D); |
1710 | if (It != I->SharingMap.end()) { |
1711 | const DSAInfo &Data = It->getSecond(); |
1712 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1713 | DVar.PrivateCopy = Data.PrivateCopy; |
1714 | DVar.CKind = Data.Attributes; |
1715 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; |
1716 | DVar.DKind = I->Directive; |
1717 | DVar.Modifier = Data.Modifier; |
1718 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1719 | return DVar; |
1720 | } |
1721 | } |
1722 | |
1723 | DVar.CKind = OMPC_shared; |
1724 | return DVar; |
1725 | } |
1726 | |
1727 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; |
1728 | // The predetermined shared attribute for const-qualified types having no |
1729 | // mutable members was removed after OpenMP 3.1. |
1730 | if (SemaRef.LangOpts.OpenMP <= 31) { |
1731 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1732 | // in a Construct, C/C++, predetermined, p.6] |
1733 | // Variables with const qualified type having no mutable member are |
1734 | // shared. |
1735 | if (isConstNotMutableType(SemaRef, D->getType())) { |
1736 | // Variables with const-qualified type having no mutable member may be |
1737 | // listed in a firstprivate clause, even if they are static data members. |
1738 | DSAVarData DVarTemp = hasInnermostDSA( |
1739 | D, |
1740 | [](OpenMPClauseKind C, bool) { |
1741 | return C == OMPC_firstprivate || C == OMPC_shared; |
1742 | }, |
1743 | MatchesAlways, FromParent); |
1744 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) |
1745 | return DVarTemp; |
1746 | |
1747 | DVar.CKind = OMPC_shared; |
1748 | return DVar; |
1749 | } |
1750 | } |
1751 | |
1752 | // Explicitly specified attributes and local variables with predetermined |
1753 | // attributes. |
1754 | const_iterator I = begin(); |
1755 | const_iterator EndI = end(); |
1756 | if (FromParent && I != EndI) |
1757 | ++I; |
1758 | if (I == EndI) |
1759 | return DVar; |
1760 | auto It = I->SharingMap.find(D); |
1761 | if (It != I->SharingMap.end()) { |
1762 | const DSAInfo &Data = It->getSecond(); |
1763 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1764 | DVar.PrivateCopy = Data.PrivateCopy; |
1765 | DVar.CKind = Data.Attributes; |
1766 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; |
1767 | DVar.DKind = I->Directive; |
1768 | DVar.Modifier = Data.Modifier; |
1769 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1770 | } |
1771 | |
1772 | return DVar; |
1773 | } |
1774 | |
1775 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, |
1776 | bool FromParent) const { |
1777 | if (isStackEmpty()) { |
1778 | const_iterator I; |
1779 | return getDSA(I, D); |
1780 | } |
1781 | D = getCanonicalDecl(D); |
1782 | const_iterator StartI = begin(); |
1783 | const_iterator EndI = end(); |
1784 | if (FromParent && StartI != EndI) |
1785 | ++StartI; |
1786 | return getDSA(StartI, D); |
1787 | } |
1788 | |
1789 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, |
1790 | unsigned Level) const { |
1791 | if (getStackSize() <= Level) |
1792 | return DSAVarData(); |
1793 | D = getCanonicalDecl(D); |
1794 | const_iterator StartI = std::next(begin(), getStackSize() - 1 - Level); |
1795 | return getDSA(StartI, D); |
1796 | } |
1797 | |
1798 | const DSAStackTy::DSAVarData |
1799 | DSAStackTy::hasDSA(ValueDecl *D, |
1800 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1801 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1802 | bool FromParent) const { |
1803 | if (isStackEmpty()) |
1804 | return {}; |
1805 | D = getCanonicalDecl(D); |
1806 | const_iterator I = begin(); |
1807 | const_iterator EndI = end(); |
1808 | if (FromParent && I != EndI) |
1809 | ++I; |
1810 | for (; I != EndI; ++I) { |
1811 | if (!DPred(I->Directive) && |
1812 | !isImplicitOrExplicitTaskingRegion(I->Directive)) |
1813 | continue; |
1814 | const_iterator NewI = I; |
1815 | DSAVarData DVar = getDSA(NewI, D); |
1816 | if (I == NewI && CPred(DVar.CKind, DVar.AppliedToPointee)) |
1817 | return DVar; |
1818 | } |
1819 | return {}; |
1820 | } |
1821 | |
1822 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( |
1823 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1824 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1825 | bool FromParent) const { |
1826 | if (isStackEmpty()) |
1827 | return {}; |
1828 | D = getCanonicalDecl(D); |
1829 | const_iterator StartI = begin(); |
1830 | const_iterator EndI = end(); |
1831 | if (FromParent && StartI != EndI) |
1832 | ++StartI; |
1833 | if (StartI == EndI || !DPred(StartI->Directive)) |
1834 | return {}; |
1835 | const_iterator NewI = StartI; |
1836 | DSAVarData DVar = getDSA(NewI, D); |
1837 | return (NewI == StartI && CPred(DVar.CKind, DVar.AppliedToPointee)) |
1838 | ? DVar |
1839 | : DSAVarData(); |
1840 | } |
1841 | |
1842 | bool DSAStackTy::hasExplicitDSA( |
1843 | const ValueDecl *D, |
1844 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1845 | unsigned Level, bool NotLastprivate) const { |
1846 | if (getStackSize() <= Level) |
1847 | return false; |
1848 | D = getCanonicalDecl(D); |
1849 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
1850 | auto I = StackElem.SharingMap.find(D); |
1851 | if (I != StackElem.SharingMap.end() && I->getSecond().RefExpr.getPointer() && |
1852 | CPred(I->getSecond().Attributes, I->getSecond().AppliedToPointee) && |
1853 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) |
1854 | return true; |
1855 | // Check predetermined rules for the loop control variables. |
1856 | auto LI = StackElem.LCVMap.find(D); |
1857 | if (LI != StackElem.LCVMap.end()) |
1858 | return CPred(OMPC_private, /*AppliedToPointee=*/false); |
1859 | return false; |
1860 | } |
1861 | |
1862 | bool DSAStackTy::hasExplicitDirective( |
1863 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1864 | unsigned Level) const { |
1865 | if (getStackSize() <= Level) |
1866 | return false; |
1867 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
1868 | return DPred(StackElem.Directive); |
1869 | } |
1870 | |
1871 | bool DSAStackTy::hasDirective( |
1872 | const llvm::function_ref<bool(OpenMPDirectiveKind, |
1873 | const DeclarationNameInfo &, SourceLocation)> |
1874 | DPred, |
1875 | bool FromParent) const { |
1876 | // We look only in the enclosing region. |
1877 | size_t Skip = FromParent ? 2 : 1; |
1878 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); |
1879 | I != E; ++I) { |
1880 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) |
1881 | return true; |
1882 | } |
1883 | return false; |
1884 | } |
1885 | |
1886 | void Sema::InitDataSharingAttributesStack() { |
1887 | VarDataSharingAttributesStack = new DSAStackTy(*this); |
1888 | } |
1889 | |
1890 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) |
1891 | |
1892 | void Sema::pushOpenMPFunctionRegion() { DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); } |
1893 | |
1894 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { |
1895 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); |
1896 | } |
1897 | |
1898 | static bool isOpenMPDeviceDelayedContext(Sema &S) { |
1899 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&(static_cast <bool> (S.LangOpts.OpenMP && S.LangOpts .OpenMPIsDevice && "Expected OpenMP device compilation." ) ? void (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1900, __extension__ __PRETTY_FUNCTION__ )) |
1900 | "Expected OpenMP device compilation.")(static_cast <bool> (S.LangOpts.OpenMP && S.LangOpts .OpenMPIsDevice && "Expected OpenMP device compilation." ) ? void (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1900, __extension__ __PRETTY_FUNCTION__ )); |
1901 | return !S.isInOpenMPTargetExecutionDirective(); |
1902 | } |
1903 | |
1904 | namespace { |
1905 | /// Status of the function emission on the host/device. |
1906 | enum class FunctionEmissionStatus { |
1907 | Emitted, |
1908 | Discarded, |
1909 | Unknown, |
1910 | }; |
1911 | } // anonymous namespace |
1912 | |
1913 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, |
1914 | unsigned DiagID, |
1915 | FunctionDecl *FD) { |
1916 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&(static_cast <bool> (LangOpts.OpenMP && LangOpts .OpenMPIsDevice && "Expected OpenMP device compilation." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1917, __extension__ __PRETTY_FUNCTION__ )) |
1917 | "Expected OpenMP device compilation.")(static_cast <bool> (LangOpts.OpenMP && LangOpts .OpenMPIsDevice && "Expected OpenMP device compilation." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1917, __extension__ __PRETTY_FUNCTION__ )); |
1918 | |
1919 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; |
1920 | if (FD) { |
1921 | FunctionEmissionStatus FES = getEmissionStatus(FD); |
1922 | switch (FES) { |
1923 | case FunctionEmissionStatus::Emitted: |
1924 | Kind = SemaDiagnosticBuilder::K_Immediate; |
1925 | break; |
1926 | case FunctionEmissionStatus::Unknown: |
1927 | // TODO: We should always delay diagnostics here in case a target |
1928 | // region is in a function we do not emit. However, as the |
1929 | // current diagnostics are associated with the function containing |
1930 | // the target region and we do not emit that one, we would miss out |
1931 | // on diagnostics for the target region itself. We need to anchor |
1932 | // the diagnostics with the new generated function *or* ensure we |
1933 | // emit diagnostics associated with the surrounding function. |
1934 | Kind = isOpenMPDeviceDelayedContext(*this) |
1935 | ? SemaDiagnosticBuilder::K_Deferred |
1936 | : SemaDiagnosticBuilder::K_Immediate; |
1937 | break; |
1938 | case FunctionEmissionStatus::TemplateDiscarded: |
1939 | case FunctionEmissionStatus::OMPDiscarded: |
1940 | Kind = SemaDiagnosticBuilder::K_Nop; |
1941 | break; |
1942 | case FunctionEmissionStatus::CUDADiscarded: |
1943 | llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation")::llvm::llvm_unreachable_internal("CUDADiscarded unexpected in OpenMP device compilation" , "clang/lib/Sema/SemaOpenMP.cpp", 1943); |
1944 | break; |
1945 | } |
1946 | } |
1947 | |
1948 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); |
1949 | } |
1950 | |
1951 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, |
1952 | unsigned DiagID, |
1953 | FunctionDecl *FD) { |
1954 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&(static_cast <bool> (LangOpts.OpenMP && !LangOpts .OpenMPIsDevice && "Expected OpenMP host compilation." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1955, __extension__ __PRETTY_FUNCTION__ )) |
1955 | "Expected OpenMP host compilation.")(static_cast <bool> (LangOpts.OpenMP && !LangOpts .OpenMPIsDevice && "Expected OpenMP host compilation." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1955, __extension__ __PRETTY_FUNCTION__ )); |
1956 | |
1957 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; |
1958 | if (FD) { |
1959 | FunctionEmissionStatus FES = getEmissionStatus(FD); |
1960 | switch (FES) { |
1961 | case FunctionEmissionStatus::Emitted: |
1962 | Kind = SemaDiagnosticBuilder::K_Immediate; |
1963 | break; |
1964 | case FunctionEmissionStatus::Unknown: |
1965 | Kind = SemaDiagnosticBuilder::K_Deferred; |
1966 | break; |
1967 | case FunctionEmissionStatus::TemplateDiscarded: |
1968 | case FunctionEmissionStatus::OMPDiscarded: |
1969 | case FunctionEmissionStatus::CUDADiscarded: |
1970 | Kind = SemaDiagnosticBuilder::K_Nop; |
1971 | break; |
1972 | } |
1973 | } |
1974 | |
1975 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); |
1976 | } |
1977 | |
1978 | static OpenMPDefaultmapClauseKind |
1979 | getVariableCategoryFromDecl(const LangOptions &LO, const ValueDecl *VD) { |
1980 | if (LO.OpenMP <= 45) { |
1981 | if (VD->getType().getNonReferenceType()->isScalarType()) |
1982 | return OMPC_DEFAULTMAP_scalar; |
1983 | return OMPC_DEFAULTMAP_aggregate; |
1984 | } |
1985 | if (VD->getType().getNonReferenceType()->isAnyPointerType()) |
1986 | return OMPC_DEFAULTMAP_pointer; |
1987 | if (VD->getType().getNonReferenceType()->isScalarType()) |
1988 | return OMPC_DEFAULTMAP_scalar; |
1989 | return OMPC_DEFAULTMAP_aggregate; |
1990 | } |
1991 | |
1992 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, |
1993 | unsigned OpenMPCaptureLevel) const { |
1994 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "clang/lib/Sema/SemaOpenMP.cpp", 1994, __extension__ __PRETTY_FUNCTION__ )); |
1995 | |
1996 | ASTContext &Ctx = getASTContext(); |
1997 | bool IsByRef = true; |
1998 | |
1999 | // Find the directive that is associated with the provided scope. |
2000 | D = cast<ValueDecl>(D->getCanonicalDecl()); |
2001 | QualType Ty = D->getType(); |
2002 | |
2003 | bool IsVariableUsedInMapClause = false; |
2004 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { |
2005 | // This table summarizes how a given variable should be passed to the device |
2006 | // given its type and the clauses where it appears. This table is based on |
2007 | // the description in OpenMP 4.5 [2.10.4, target Construct] and |
2008 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. |
2009 | // |
2010 | // ========================================================================= |
2011 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | |
2012 | // | |(tofrom:scalar)| | pvt | | | | |
2013 | // ========================================================================= |
2014 | // | scl | | | | - | | bycopy| |
2015 | // | scl | | - | x | - | - | bycopy| |
2016 | // | scl | | x | - | - | - | null | |
2017 | // | scl | x | | | - | | byref | |
2018 | // | scl | x | - | x | - | - | bycopy| |
2019 | // | scl | x | x | - | - | - | null | |
2020 | // | scl | | - | - | - | x | byref | |
2021 | // | scl | x | - | - | - | x | byref | |
2022 | // |
2023 | // | agg | n.a. | | | - | | byref | |
2024 | // | agg | n.a. | - | x | - | - | byref | |
2025 | // | agg | n.a. | x | - | - | - | null | |
2026 | // | agg | n.a. | - | - | - | x | byref | |
2027 | // | agg | n.a. | - | - | - | x[] | byref | |
2028 | // |
2029 | // | ptr | n.a. | | | - | | bycopy| |
2030 | // | ptr | n.a. | - | x | - | - | bycopy| |
2031 | // | ptr | n.a. | x | - | - | - | null | |
2032 | // | ptr | n.a. | - | - | - | x | byref | |
2033 | // | ptr | n.a. | - | - | - | x[] | bycopy| |
2034 | // | ptr | n.a. | - | - | x | | bycopy| |
2035 | // | ptr | n.a. | - | - | x | x | bycopy| |
2036 | // | ptr | n.a. | - | - | x | x[] | bycopy| |
2037 | // ========================================================================= |
2038 | // Legend: |
2039 | // scl - scalar |
2040 | // ptr - pointer |
2041 | // agg - aggregate |
2042 | // x - applies |
2043 | // - - invalid in this combination |
2044 | // [] - mapped with an array section |
2045 | // byref - should be mapped by reference |
2046 | // byval - should be mapped by value |
2047 | // null - initialize a local variable to null on the device |
2048 | // |
2049 | // Observations: |
2050 | // - All scalar declarations that show up in a map clause have to be passed |
2051 | // by reference, because they may have been mapped in the enclosing data |
2052 | // environment. |
2053 | // - If the scalar value does not fit the size of uintptr, it has to be |
2054 | // passed by reference, regardless the result in the table above. |
2055 | // - For pointers mapped by value that have either an implicit map or an |
2056 | // array section, the runtime library may pass the NULL value to the |
2057 | // device instead of the value passed to it by the compiler. |
2058 | |
2059 | if (Ty->isReferenceType()) |
2060 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); |
2061 | |
2062 | // Locate map clauses and see if the variable being captured is referred to |
2063 | // in any of those clauses. Here we only care about variables, not fields, |
2064 | // because fields are part of aggregates. |
2065 | bool IsVariableAssociatedWithSection = false; |
2066 | |
2067 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( |
2068 | D, Level, |
2069 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, |
2070 | D](OMPClauseMappableExprCommon::MappableExprComponentListRef |
2071 | MapExprComponents, |
2072 | OpenMPClauseKind WhereFoundClauseKind) { |
2073 | // Only the map clause information influences how a variable is |
2074 | // captured. E.g. is_device_ptr does not require changing the default |
2075 | // behavior. |
2076 | if (WhereFoundClauseKind != OMPC_map) |
2077 | return false; |
2078 | |
2079 | auto EI = MapExprComponents.rbegin(); |
2080 | auto EE = MapExprComponents.rend(); |
2081 | |
2082 | assert(EI != EE && "Invalid map expression!")(static_cast <bool> (EI != EE && "Invalid map expression!" ) ? void (0) : __assert_fail ("EI != EE && \"Invalid map expression!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2082, __extension__ __PRETTY_FUNCTION__ )); |
2083 | |
2084 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) |
2085 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; |
2086 | |
2087 | ++EI; |
2088 | if (EI == EE) |
2089 | return false; |
2090 | |
2091 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || |
2092 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || |
2093 | isa<MemberExpr>(EI->getAssociatedExpression()) || |
2094 | isa<OMPArrayShapingExpr>(EI->getAssociatedExpression())) { |
2095 | IsVariableAssociatedWithSection = true; |
2096 | // There is nothing more we need to know about this variable. |
2097 | return true; |
2098 | } |
2099 | |
2100 | // Keep looking for more map info. |
2101 | return false; |
2102 | }); |
2103 | |
2104 | if (IsVariableUsedInMapClause) { |
2105 | // If variable is identified in a map clause it is always captured by |
2106 | // reference except if it is a pointer that is dereferenced somehow. |
2107 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); |
2108 | } else { |
2109 | // By default, all the data that has a scalar type is mapped by copy |
2110 | // (except for reduction variables). |
2111 | // Defaultmap scalar is mutual exclusive to defaultmap pointer |
2112 | IsByRef = (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && |
2113 | !Ty->isAnyPointerType()) || |
2114 | !Ty->isScalarType() || |
2115 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isDefaultmapCapturedByRef( |
2116 | Level, getVariableCategoryFromDecl(LangOpts, D)) || |
2117 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2118 | D, |
2119 | [](OpenMPClauseKind K, bool AppliedToPointee) { |
2120 | return K == OMPC_reduction && !AppliedToPointee; |
2121 | }, |
2122 | Level); |
2123 | } |
2124 | } |
2125 | |
2126 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { |
2127 | IsByRef = |
2128 | ((IsVariableUsedInMapClause && |
2129 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == |
2130 | OMPD_target) || |
2131 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2132 | D, |
2133 | [](OpenMPClauseKind K, bool AppliedToPointee) -> bool { |
2134 | return K == OMPC_firstprivate || |
2135 | (K == OMPC_reduction && AppliedToPointee); |
2136 | }, |
2137 | Level, /*NotLastprivate=*/true) || |
2138 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D))) && |
2139 | // If the variable is artificial and must be captured by value - try to |
2140 | // capture by value. |
2141 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && |
2142 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()) && |
2143 | // If the variable is implicitly firstprivate and scalar - capture by |
2144 | // copy |
2145 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate && |
2146 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2147 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_unknown; }, |
2148 | Level) && |
2149 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first); |
2150 | } |
2151 | |
2152 | // When passing data by copy, we need to make sure it fits the uintptr size |
2153 | // and alignment, because the runtime library only deals with uintptr types. |
2154 | // If it does not fit the uintptr size, we need to pass the data by reference |
2155 | // instead. |
2156 | if (!IsByRef && |
2157 | (Ctx.getTypeSizeInChars(Ty) > |
2158 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || |
2159 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { |
2160 | IsByRef = true; |
2161 | } |
2162 | |
2163 | return IsByRef; |
2164 | } |
2165 | |
2166 | unsigned Sema::getOpenMPNestingLevel() const { |
2167 | assert(getLangOpts().OpenMP)(static_cast <bool> (getLangOpts().OpenMP) ? void (0) : __assert_fail ("getLangOpts().OpenMP", "clang/lib/Sema/SemaOpenMP.cpp" , 2167, __extension__ __PRETTY_FUNCTION__)); |
2168 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); |
2169 | } |
2170 | |
2171 | bool Sema::isInOpenMPTaskUntiedContext() const { |
2172 | return isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
2173 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUntiedRegion(); |
2174 | } |
2175 | |
2176 | bool Sema::isInOpenMPTargetExecutionDirective() const { |
2177 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
2178 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || |
2179 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( |
2180 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, |
2181 | SourceLocation) -> bool { |
2182 | return isOpenMPTargetExecutionDirective(K); |
2183 | }, |
2184 | false); |
2185 | } |
2186 | |
2187 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, |
2188 | unsigned StopAt) { |
2189 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2189, __extension__ __PRETTY_FUNCTION__ )); |
2190 | D = getCanonicalDecl(D); |
2191 | |
2192 | auto *VD = dyn_cast<VarDecl>(D); |
2193 | // Do not capture constexpr variables. |
2194 | if (VD && VD->isConstexpr()) |
2195 | return nullptr; |
2196 | |
2197 | // If we want to determine whether the variable should be captured from the |
2198 | // perspective of the current capturing scope, and we've already left all the |
2199 | // capturing scopes of the top directive on the stack, check from the |
2200 | // perspective of its parent directive (if any) instead. |
2201 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( |
2202 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isBodyComplete()); |
2203 | |
2204 | // If we are attempting to capture a global variable in a directive with |
2205 | // 'target' we return true so that this global is also mapped to the device. |
2206 | // |
2207 | if (VD && !VD->hasLocalStorage() && |
2208 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { |
2209 | if (isInOpenMPTargetExecutionDirective()) { |
2210 | DSAStackTy::DSAVarData DVarTop = |
2211 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2212 | if (DVarTop.CKind != OMPC_unknown && DVarTop.RefExpr) |
2213 | return VD; |
2214 | // If the declaration is enclosed in a 'declare target' directive, |
2215 | // then it should not be captured. |
2216 | // |
2217 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) |
2218 | return nullptr; |
2219 | CapturedRegionScopeInfo *CSI = nullptr; |
2220 | for (FunctionScopeInfo *FSI : llvm::drop_begin( |
2221 | llvm::reverse(FunctionScopes), |
2222 | CheckScopeInfo ? (FunctionScopes.size() - (StopAt + 1)) : 0)) { |
2223 | if (!isa<CapturingScopeInfo>(FSI)) |
2224 | return nullptr; |
2225 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) |
2226 | if (RSI->CapRegionKind == CR_OpenMP) { |
2227 | CSI = RSI; |
2228 | break; |
2229 | } |
2230 | } |
2231 | assert(CSI && "Failed to find CapturedRegionScopeInfo")(static_cast <bool> (CSI && "Failed to find CapturedRegionScopeInfo" ) ? void (0) : __assert_fail ("CSI && \"Failed to find CapturedRegionScopeInfo\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2231, __extension__ __PRETTY_FUNCTION__ )); |
2232 | SmallVector<OpenMPDirectiveKind, 4> Regions; |
2233 | getOpenMPCaptureRegions(Regions, |
2234 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(CSI->OpenMPLevel)); |
2235 | if (Regions[CSI->OpenMPCaptureLevel] != OMPD_task) |
2236 | return VD; |
2237 | } |
2238 | if (isInOpenMPDeclareTargetContext()) { |
2239 | // Try to mark variable as declare target if it is used in capturing |
2240 | // regions. |
2241 | if (LangOpts.OpenMP <= 45 && |
2242 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) |
2243 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); |
2244 | return nullptr; |
2245 | } |
2246 | } |
2247 | |
2248 | if (CheckScopeInfo) { |
2249 | bool OpenMPFound = false; |
2250 | for (unsigned I = StopAt + 1; I > 0; --I) { |
2251 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; |
2252 | if (!isa<CapturingScopeInfo>(FSI)) |
2253 | return nullptr; |
2254 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) |
2255 | if (RSI->CapRegionKind == CR_OpenMP) { |
2256 | OpenMPFound = true; |
2257 | break; |
2258 | } |
2259 | } |
2260 | if (!OpenMPFound) |
2261 | return nullptr; |
2262 | } |
2263 | |
2264 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && |
2265 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || |
2266 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { |
2267 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); |
2268 | if (Info.first || |
2269 | (VD && VD->hasLocalStorage() && |
2270 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || |
2271 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) |
2272 | return VD ? VD : Info.second; |
2273 | DSAStackTy::DSAVarData DVarTop = |
2274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2275 | if (DVarTop.CKind != OMPC_unknown && isOpenMPPrivate(DVarTop.CKind) && |
2276 | (!VD || VD->hasLocalStorage() || !DVarTop.AppliedToPointee)) |
2277 | return VD ? VD : cast<VarDecl>(DVarTop.PrivateCopy->getDecl()); |
2278 | // Threadprivate variables must not be captured. |
2279 | if (isOpenMPThreadPrivate(DVarTop.CKind)) |
2280 | return nullptr; |
2281 | // The variable is not private or it is the variable in the directive with |
2282 | // default(none) clause and not used in any clause. |
2283 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( |
2284 | D, |
2285 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
2286 | return isOpenMPPrivate(C) && !AppliedToPointee; |
2287 | }, |
2288 | [](OpenMPDirectiveKind) { return true; }, |
2289 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2290 | // Global shared must not be captured. |
2291 | if (VD && !VD->hasLocalStorage() && DVarPrivate.CKind == OMPC_unknown && |
2292 | ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_none && |
2293 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_firstprivate) || |
2294 | DVarTop.CKind == OMPC_shared)) |
2295 | return nullptr; |
2296 | if (DVarPrivate.CKind != OMPC_unknown || |
2297 | (VD && (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
2298 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate))) |
2299 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); |
2300 | } |
2301 | return nullptr; |
2302 | } |
2303 | |
2304 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, |
2305 | unsigned Level) const { |
2306 | FunctionScopesIndex -= getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2307 | } |
2308 | |
2309 | void Sema::startOpenMPLoop() { |
2310 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")(static_cast <bool> (LangOpts.OpenMP && "OpenMP must be enabled." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP must be enabled.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2310, __extension__ __PRETTY_FUNCTION__ )); |
2311 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) |
2312 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); |
2313 | } |
2314 | |
2315 | void Sema::startOpenMPCXXRangeFor() { |
2316 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")(static_cast <bool> (LangOpts.OpenMP && "OpenMP must be enabled." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP must be enabled.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2316, __extension__ __PRETTY_FUNCTION__ )); |
2317 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
2318 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); |
2319 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
2320 | } |
2321 | } |
2322 | |
2323 | OpenMPClauseKind Sema::isOpenMPPrivateDecl(ValueDecl *D, unsigned Level, |
2324 | unsigned CapLevel) const { |
2325 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2325, __extension__ __PRETTY_FUNCTION__ )); |
2326 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTaskingDirective, Level)) { |
2327 | bool IsTriviallyCopyable = |
2328 | D->getType().getNonReferenceType().isTriviallyCopyableType(Context) && |
2329 | !D->getType() |
2330 | .getNonReferenceType() |
2331 | .getCanonicalType() |
2332 | ->getAsCXXRecordDecl(); |
2333 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level); |
2334 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
2335 | getOpenMPCaptureRegions(CaptureRegions, DKind); |
2336 | if (isOpenMPTaskingDirective(CaptureRegions[CapLevel]) && |
2337 | (IsTriviallyCopyable || |
2338 | !isOpenMPTaskLoopDirective(CaptureRegions[CapLevel]))) { |
2339 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2340 | D, |
2341 | [](OpenMPClauseKind K, bool) { return K == OMPC_firstprivate; }, |
2342 | Level, /*NotLastprivate=*/true)) |
2343 | return OMPC_firstprivate; |
2344 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); |
2345 | if (DVar.CKind != OMPC_shared && |
2346 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first && !DVar.RefExpr) { |
2347 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addImplicitTaskFirstprivate(Level, D); |
2348 | return OMPC_firstprivate; |
2349 | } |
2350 | } |
2351 | } |
2352 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
2353 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { |
2354 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); |
2355 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
2356 | return OMPC_private; |
2357 | } |
2358 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || |
2359 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && |
2360 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2361 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_private; }, |
2362 | Level) && |
2363 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) |
2364 | return OMPC_private; |
2365 | } |
2366 | if (const auto *VD = dyn_cast<VarDecl>(D)) { |
2367 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && |
2368 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && |
2369 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2370 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_copyin; }, |
2371 | Level)) |
2372 | return OMPC_private; |
2373 | } |
2374 | // User-defined allocators are private since they must be defined in the |
2375 | // context of target region. |
2376 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level) && |
2377 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D).getValueOr( |
2378 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == |
2379 | DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator) |
2380 | return OMPC_private; |
2381 | return (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2382 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_private; }, |
2383 | Level) || |
2384 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && |
2385 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || |
2386 | // Consider taskgroup reduction descriptor variable a private |
2387 | // to avoid possible capture in the region. |
2388 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( |
2389 | [](OpenMPDirectiveKind K) { |
2390 | return K == OMPD_taskgroup || |
2391 | ((isOpenMPParallelDirective(K) || |
2392 | isOpenMPWorksharingDirective(K)) && |
2393 | !isOpenMPSimdDirective(K)); |
2394 | }, |
2395 | Level) && |
2396 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level))) |
2397 | ? OMPC_private |
2398 | : OMPC_unknown; |
2399 | } |
2400 | |
2401 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, |
2402 | unsigned Level) { |
2403 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2403, __extension__ __PRETTY_FUNCTION__ )); |
2404 | D = getCanonicalDecl(D); |
2405 | OpenMPClauseKind OMPC = OMPC_unknown; |
2406 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { |
2407 | const unsigned NewLevel = I - 1; |
2408 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2409 | D, |
2410 | [&OMPC](const OpenMPClauseKind K, bool AppliedToPointee) { |
2411 | if (isOpenMPPrivate(K) && !AppliedToPointee) { |
2412 | OMPC = K; |
2413 | return true; |
2414 | } |
2415 | return false; |
2416 | }, |
2417 | NewLevel)) |
2418 | break; |
2419 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( |
2420 | D, NewLevel, |
2421 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
2422 | OpenMPClauseKind) { return true; })) { |
2423 | OMPC = OMPC_map; |
2424 | break; |
2425 | } |
2426 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, |
2427 | NewLevel)) { |
2428 | OMPC = OMPC_map; |
2429 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->mustBeFirstprivateAtLevel( |
2430 | NewLevel, getVariableCategoryFromDecl(LangOpts, D))) |
2431 | OMPC = OMPC_firstprivate; |
2432 | break; |
2433 | } |
2434 | } |
2435 | if (OMPC != OMPC_unknown) |
2436 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, unsigned(OMPC))); |
2437 | } |
2438 | |
2439 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, |
2440 | unsigned CaptureLevel) const { |
2441 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2441, __extension__ __PRETTY_FUNCTION__ )); |
2442 | // Return true if the current level is no longer enclosed in a target region. |
2443 | |
2444 | SmallVector<OpenMPDirectiveKind, 4> Regions; |
2445 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2446 | const auto *VD = dyn_cast<VarDecl>(D); |
2447 | return VD && !VD->hasLocalStorage() && |
2448 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, |
2449 | Level) && |
2450 | Regions[CaptureLevel] != OMPD_task; |
2451 | } |
2452 | |
2453 | bool Sema::isOpenMPGlobalCapturedDecl(ValueDecl *D, unsigned Level, |
2454 | unsigned CaptureLevel) const { |
2455 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2455, __extension__ __PRETTY_FUNCTION__ )); |
2456 | // Return true if the current level is no longer enclosed in a target region. |
2457 | |
2458 | if (const auto *VD = dyn_cast<VarDecl>(D)) { |
2459 | if (!VD->hasLocalStorage()) { |
2460 | if (isInOpenMPTargetExecutionDirective()) |
2461 | return true; |
2462 | DSAStackTy::DSAVarData TopDVar = |
2463 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
2464 | unsigned NumLevels = |
2465 | getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2466 | if (Level == 0) |
2467 | return (NumLevels == CaptureLevel + 1) && TopDVar.CKind != OMPC_shared; |
2468 | do { |
2469 | --Level; |
2470 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); |
2471 | if (DVar.CKind != OMPC_shared) |
2472 | return true; |
2473 | } while (Level > 0); |
2474 | } |
2475 | } |
2476 | return true; |
2477 | } |
2478 | |
2479 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } |
2480 | |
2481 | void Sema::ActOnOpenMPBeginDeclareVariant(SourceLocation Loc, |
2482 | OMPTraitInfo &TI) { |
2483 | OMPDeclareVariantScopes.push_back(OMPDeclareVariantScope(TI)); |
2484 | } |
2485 | |
2486 | void Sema::ActOnOpenMPEndDeclareVariant() { |
2487 | assert(isInOpenMPDeclareVariantScope() &&(static_cast <bool> (isInOpenMPDeclareVariantScope() && "Not in OpenMP declare variant scope!") ? void (0) : __assert_fail ("isInOpenMPDeclareVariantScope() && \"Not in OpenMP declare variant scope!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2488, __extension__ __PRETTY_FUNCTION__ )) |
2488 | "Not in OpenMP declare variant scope!")(static_cast <bool> (isInOpenMPDeclareVariantScope() && "Not in OpenMP declare variant scope!") ? void (0) : __assert_fail ("isInOpenMPDeclareVariantScope() && \"Not in OpenMP declare variant scope!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2488, __extension__ __PRETTY_FUNCTION__ )); |
2489 | |
2490 | OMPDeclareVariantScopes.pop_back(); |
2491 | } |
2492 | |
2493 | void Sema::finalizeOpenMPDelayedAnalysis(const FunctionDecl *Caller, |
2494 | const FunctionDecl *Callee, |
2495 | SourceLocation Loc) { |
2496 | assert(LangOpts.OpenMP && "Expected OpenMP compilation mode.")(static_cast <bool> (LangOpts.OpenMP && "Expected OpenMP compilation mode." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP compilation mode.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2496, __extension__ __PRETTY_FUNCTION__ )); |
2497 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = |
2498 | OMPDeclareTargetDeclAttr::getDeviceType(Caller->getMostRecentDecl()); |
2499 | // Ignore host functions during device analyzis. |
2500 | if (LangOpts.OpenMPIsDevice && |
2501 | (!DevTy || *DevTy == OMPDeclareTargetDeclAttr::DT_Host)) |
2502 | return; |
2503 | // Ignore nohost functions during host analyzis. |
2504 | if (!LangOpts.OpenMPIsDevice && DevTy && |
2505 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) |
2506 | return; |
2507 | const FunctionDecl *FD = Callee->getMostRecentDecl(); |
2508 | DevTy = OMPDeclareTargetDeclAttr::getDeviceType(FD); |
2509 | if (LangOpts.OpenMPIsDevice && DevTy && |
2510 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { |
2511 | // Diagnose host function called during device codegen. |
2512 | StringRef HostDevTy = |
2513 | getOpenMPSimpleClauseTypeName(OMPC_device_type, OMPC_DEVICE_TYPE_host); |
2514 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; |
2515 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), |
2516 | diag::note_omp_marked_device_type_here) |
2517 | << HostDevTy; |
2518 | return; |
2519 | } |
2520 | if (!LangOpts.OpenMPIsDevice && !LangOpts.OpenMPOffloadMandatory && DevTy && |
2521 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { |
2522 | // Diagnose nohost function called during host codegen. |
2523 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( |
2524 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); |
2525 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; |
2526 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), |
2527 | diag::note_omp_marked_device_type_here) |
2528 | << NoHostDevTy; |
2529 | } |
2530 | } |
2531 | |
2532 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, |
2533 | const DeclarationNameInfo &DirName, |
2534 | Scope *CurScope, SourceLocation Loc) { |
2535 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); |
2536 | PushExpressionEvaluationContext( |
2537 | ExpressionEvaluationContext::PotentiallyEvaluated); |
2538 | } |
2539 | |
2540 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { |
2541 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); |
2542 | } |
2543 | |
2544 | void Sema::EndOpenMPClause() { |
2545 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); |
2546 | CleanupVarDeclMarking(); |
2547 | } |
2548 | |
2549 | static std::pair<ValueDecl *, bool> |
2550 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, |
2551 | SourceRange &ERange, bool AllowArraySection = false); |
2552 | |
2553 | /// Check consistency of the reduction clauses. |
2554 | static void checkReductionClauses(Sema &S, DSAStackTy *Stack, |
2555 | ArrayRef<OMPClause *> Clauses) { |
2556 | bool InscanFound = false; |
2557 | SourceLocation InscanLoc; |
2558 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions. |
2559 | // A reduction clause without the inscan reduction-modifier may not appear on |
2560 | // a construct on which a reduction clause with the inscan reduction-modifier |
2561 | // appears. |
2562 | for (OMPClause *C : Clauses) { |
2563 | if (C->getClauseKind() != OMPC_reduction) |
2564 | continue; |
2565 | auto *RC = cast<OMPReductionClause>(C); |
2566 | if (RC->getModifier() == OMPC_REDUCTION_inscan) { |
2567 | InscanFound = true; |
2568 | InscanLoc = RC->getModifierLoc(); |
2569 | continue; |
2570 | } |
2571 | if (RC->getModifier() == OMPC_REDUCTION_task) { |
2572 | // OpenMP 5.0, 2.19.5.4 reduction Clause. |
2573 | // A reduction clause with the task reduction-modifier may only appear on |
2574 | // a parallel construct, a worksharing construct or a combined or |
2575 | // composite construct for which any of the aforementioned constructs is a |
2576 | // constituent construct and simd or loop are not constituent constructs. |
2577 | OpenMPDirectiveKind CurDir = Stack->getCurrentDirective(); |
2578 | if (!(isOpenMPParallelDirective(CurDir) || |
2579 | isOpenMPWorksharingDirective(CurDir)) || |
2580 | isOpenMPSimdDirective(CurDir)) |
2581 | S.Diag(RC->getModifierLoc(), |
2582 | diag::err_omp_reduction_task_not_parallel_or_worksharing); |
2583 | continue; |
2584 | } |
2585 | } |
2586 | if (InscanFound) { |
2587 | for (OMPClause *C : Clauses) { |
2588 | if (C->getClauseKind() != OMPC_reduction) |
2589 | continue; |
2590 | auto *RC = cast<OMPReductionClause>(C); |
2591 | if (RC->getModifier() != OMPC_REDUCTION_inscan) { |
2592 | S.Diag(RC->getModifier() == OMPC_REDUCTION_unknown |
2593 | ? RC->getBeginLoc() |
2594 | : RC->getModifierLoc(), |
2595 | diag::err_omp_inscan_reduction_expected); |
2596 | S.Diag(InscanLoc, diag::note_omp_previous_inscan_reduction); |
2597 | continue; |
2598 | } |
2599 | for (Expr *Ref : RC->varlists()) { |
2600 | assert(Ref && "NULL expr in OpenMP nontemporal clause.")(static_cast <bool> (Ref && "NULL expr in OpenMP nontemporal clause." ) ? void (0) : __assert_fail ("Ref && \"NULL expr in OpenMP nontemporal clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2600, __extension__ __PRETTY_FUNCTION__ )); |
2601 | SourceLocation ELoc; |
2602 | SourceRange ERange; |
2603 | Expr *SimpleRefExpr = Ref; |
2604 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
2605 | /*AllowArraySection=*/true); |
2606 | ValueDecl *D = Res.first; |
2607 | if (!D) |
2608 | continue; |
2609 | if (!Stack->isUsedInScanDirective(getCanonicalDecl(D))) { |
2610 | S.Diag(Ref->getExprLoc(), |
2611 | diag::err_omp_reduction_not_inclusive_exclusive) |
2612 | << Ref->getSourceRange(); |
2613 | } |
2614 | } |
2615 | } |
2616 | } |
2617 | } |
2618 | |
2619 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, |
2620 | ArrayRef<OMPClause *> Clauses); |
2621 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, |
2622 | bool WithInit); |
2623 | |
2624 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, |
2625 | const ValueDecl *D, |
2626 | const DSAStackTy::DSAVarData &DVar, |
2627 | bool IsLoopIterVar = false); |
2628 | |
2629 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { |
2630 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] |
2631 | // A variable of class type (or array thereof) that appears in a lastprivate |
2632 | // clause requires an accessible, unambiguous default constructor for the |
2633 | // class type, unless the list item is also specified in a firstprivate |
2634 | // clause. |
2635 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { |
2636 | for (OMPClause *C : D->clauses()) { |
2637 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { |
2638 | SmallVector<Expr *, 8> PrivateCopies; |
2639 | for (Expr *DE : Clause->varlists()) { |
2640 | if (DE->isValueDependent() || DE->isTypeDependent()) { |
2641 | PrivateCopies.push_back(nullptr); |
2642 | continue; |
2643 | } |
2644 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); |
2645 | auto *VD = cast<VarDecl>(DRE->getDecl()); |
2646 | QualType Type = VD->getType().getNonReferenceType(); |
2647 | const DSAStackTy::DSAVarData DVar = |
2648 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
2649 | if (DVar.CKind == OMPC_lastprivate) { |
2650 | // Generate helper private variable and initialize it with the |
2651 | // default value. The address of the original variable is replaced |
2652 | // by the address of the new private variable in CodeGen. This new |
2653 | // variable is not added to IdResolver, so the code in the OpenMP |
2654 | // region uses original variable for proper diagnostics. |
2655 | VarDecl *VDPrivate = buildVarDecl( |
2656 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), |
2657 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); |
2658 | ActOnUninitializedDecl(VDPrivate); |
2659 | if (VDPrivate->isInvalidDecl()) { |
2660 | PrivateCopies.push_back(nullptr); |
2661 | continue; |
2662 | } |
2663 | PrivateCopies.push_back(buildDeclRefExpr( |
2664 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); |
2665 | } else { |
2666 | // The variable is also a firstprivate, so initialization sequence |
2667 | // for private copy is generated already. |
2668 | PrivateCopies.push_back(nullptr); |
2669 | } |
2670 | } |
2671 | Clause->setPrivateCopies(PrivateCopies); |
2672 | continue; |
2673 | } |
2674 | // Finalize nontemporal clause by handling private copies, if any. |
2675 | if (auto *Clause = dyn_cast<OMPNontemporalClause>(C)) { |
2676 | SmallVector<Expr *, 8> PrivateRefs; |
2677 | for (Expr *RefExpr : Clause->varlists()) { |
2678 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 2678, __extension__ __PRETTY_FUNCTION__ )); |
2679 | SourceLocation ELoc; |
2680 | SourceRange ERange; |
2681 | Expr *SimpleRefExpr = RefExpr; |
2682 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
2683 | if (Res.second) |
2684 | // It will be analyzed later. |
2685 | PrivateRefs.push_back(RefExpr); |
2686 | ValueDecl *D = Res.first; |
2687 | if (!D) |
2688 | continue; |
2689 | |
2690 | const DSAStackTy::DSAVarData DVar = |
2691 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
2692 | PrivateRefs.push_back(DVar.PrivateCopy ? DVar.PrivateCopy |
2693 | : SimpleRefExpr); |
2694 | } |
2695 | Clause->setPrivateRefs(PrivateRefs); |
2696 | continue; |
2697 | } |
2698 | if (auto *Clause = dyn_cast<OMPUsesAllocatorsClause>(C)) { |
2699 | for (unsigned I = 0, E = Clause->getNumberOfAllocators(); I < E; ++I) { |
2700 | OMPUsesAllocatorsClause::Data D = Clause->getAllocatorData(I); |
2701 | auto *DRE = dyn_cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()); |
2702 | if (!DRE) |
2703 | continue; |
2704 | ValueDecl *VD = DRE->getDecl(); |
2705 | if (!VD || !isa<VarDecl>(VD)) |
2706 | continue; |
2707 | DSAStackTy::DSAVarData DVar = |
2708 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
2709 | // OpenMP [2.12.5, target Construct] |
2710 | // Memory allocators that appear in a uses_allocators clause cannot |
2711 | // appear in other data-sharing attribute clauses or data-mapping |
2712 | // attribute clauses in the same construct. |
2713 | Expr *MapExpr = nullptr; |
2714 | if (DVar.RefExpr || |
2715 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
2716 | VD, /*CurrentRegionOnly=*/true, |
2717 | [VD, &MapExpr]( |
2718 | OMPClauseMappableExprCommon::MappableExprComponentListRef |
2719 | MapExprComponents, |
2720 | OpenMPClauseKind C) { |
2721 | auto MI = MapExprComponents.rbegin(); |
2722 | auto ME = MapExprComponents.rend(); |
2723 | if (MI != ME && |
2724 | MI->getAssociatedDeclaration()->getCanonicalDecl() == |
2725 | VD->getCanonicalDecl()) { |
2726 | MapExpr = MI->getAssociatedExpression(); |
2727 | return true; |
2728 | } |
2729 | return false; |
2730 | })) { |
2731 | Diag(D.Allocator->getExprLoc(), |
2732 | diag::err_omp_allocator_used_in_clauses) |
2733 | << D.Allocator->getSourceRange(); |
2734 | if (DVar.RefExpr) |
2735 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); |
2736 | else |
2737 | Diag(MapExpr->getExprLoc(), diag::note_used_here) |
2738 | << MapExpr->getSourceRange(); |
2739 | } |
2740 | } |
2741 | continue; |
2742 | } |
2743 | } |
2744 | // Check allocate clauses. |
2745 | if (!CurContext->isDependentContext()) |
2746 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); |
2747 | checkReductionClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); |
2748 | } |
2749 | |
2750 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); |
2751 | DiscardCleanupsInEvaluationContext(); |
2752 | PopExpressionEvaluationContext(); |
2753 | } |
2754 | |
2755 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, |
2756 | Expr *NumIterations, Sema &SemaRef, |
2757 | Scope *S, DSAStackTy *Stack); |
2758 | |
2759 | namespace { |
2760 | |
2761 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { |
2762 | private: |
2763 | Sema &SemaRef; |
2764 | |
2765 | public: |
2766 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} |
2767 | bool ValidateCandidate(const TypoCorrection &Candidate) override { |
2768 | NamedDecl *ND = Candidate.getCorrectionDecl(); |
2769 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { |
2770 | return VD->hasGlobalStorage() && |
2771 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), |
2772 | SemaRef.getCurScope()); |
2773 | } |
2774 | return false; |
2775 | } |
2776 | |
2777 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
2778 | return std::make_unique<VarDeclFilterCCC>(*this); |
2779 | } |
2780 | }; |
2781 | |
2782 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { |
2783 | private: |
2784 | Sema &SemaRef; |
2785 | |
2786 | public: |
2787 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} |
2788 | bool ValidateCandidate(const TypoCorrection &Candidate) override { |
2789 | NamedDecl *ND = Candidate.getCorrectionDecl(); |
2790 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || |
2791 | isa<FunctionDecl>(ND))) { |
2792 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), |
2793 | SemaRef.getCurScope()); |
2794 | } |
2795 | return false; |
2796 | } |
2797 | |
2798 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
2799 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); |
2800 | } |
2801 | }; |
2802 | |
2803 | } // namespace |
2804 | |
2805 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, |
2806 | CXXScopeSpec &ScopeSpec, |
2807 | const DeclarationNameInfo &Id, |
2808 | OpenMPDirectiveKind Kind) { |
2809 | LookupResult Lookup(*this, Id, LookupOrdinaryName); |
2810 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); |
2811 | |
2812 | if (Lookup.isAmbiguous()) |
2813 | return ExprError(); |
2814 | |
2815 | VarDecl *VD; |
2816 | if (!Lookup.isSingleResult()) { |
2817 | VarDeclFilterCCC CCC(*this); |
2818 | if (TypoCorrection Corrected = |
2819 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, |
2820 | CTK_ErrorRecovery)) { |
2821 | diagnoseTypo(Corrected, |
2822 | PDiag(Lookup.empty() |
2823 | ? diag::err_undeclared_var_use_suggest |
2824 | : diag::err_omp_expected_var_arg_suggest) |
2825 | << Id.getName()); |
2826 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); |
2827 | } else { |
2828 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use |
2829 | : diag::err_omp_expected_var_arg) |
2830 | << Id.getName(); |
2831 | return ExprError(); |
2832 | } |
2833 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { |
2834 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); |
2835 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); |
2836 | return ExprError(); |
2837 | } |
2838 | Lookup.suppressDiagnostics(); |
2839 | |
2840 | // OpenMP [2.9.2, Syntax, C/C++] |
2841 | // Variables must be file-scope, namespace-scope, or static block-scope. |
2842 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { |
2843 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) |
2844 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); |
2845 | bool IsDecl = |
2846 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2847 | Diag(VD->getLocation(), |
2848 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2849 | << VD; |
2850 | return ExprError(); |
2851 | } |
2852 | |
2853 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); |
2854 | NamedDecl *ND = CanonicalVD; |
2855 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] |
2856 | // A threadprivate directive for file-scope variables must appear outside |
2857 | // any definition or declaration. |
2858 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && |
2859 | !getCurLexicalContext()->isTranslationUnit()) { |
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.3] |
2870 | // A threadprivate directive for static class member variables must appear |
2871 | // in the class definition, in the same scope in which the member |
2872 | // variables are declared. |
2873 | if (CanonicalVD->isStaticDataMember() && |
2874 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { |
2875 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
2876 | << getOpenMPDirectiveName(Kind) << VD; |
2877 | bool IsDecl = |
2878 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2879 | Diag(VD->getLocation(), |
2880 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2881 | << VD; |
2882 | return ExprError(); |
2883 | } |
2884 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] |
2885 | // A threadprivate directive for namespace-scope variables must appear |
2886 | // outside any definition or declaration other than the namespace |
2887 | // definition itself. |
2888 | if (CanonicalVD->getDeclContext()->isNamespace() && |
2889 | (!getCurLexicalContext()->isFileContext() || |
2890 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { |
2891 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
2892 | << getOpenMPDirectiveName(Kind) << VD; |
2893 | bool IsDecl = |
2894 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2895 | Diag(VD->getLocation(), |
2896 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2897 | << VD; |
2898 | return ExprError(); |
2899 | } |
2900 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] |
2901 | // A threadprivate directive for static block-scope variables must appear |
2902 | // in the scope of the variable and not in a nested scope. |
2903 | if (CanonicalVD->isLocalVarDecl() && CurScope && |
2904 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { |
2905 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
2906 | << getOpenMPDirectiveName(Kind) << VD; |
2907 | bool IsDecl = |
2908 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2909 | Diag(VD->getLocation(), |
2910 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2911 | << VD; |
2912 | return ExprError(); |
2913 | } |
2914 | |
2915 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] |
2916 | // A threadprivate directive must lexically precede all references to any |
2917 | // of the variables in its list. |
2918 | if (Kind == OMPD_threadprivate && VD->isUsed() && |
2919 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
2920 | Diag(Id.getLoc(), diag::err_omp_var_used) |
2921 | << getOpenMPDirectiveName(Kind) << VD; |
2922 | return ExprError(); |
2923 | } |
2924 | |
2925 | QualType ExprType = VD->getType().getNonReferenceType(); |
2926 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), |
2927 | SourceLocation(), VD, |
2928 | /*RefersToEnclosingVariableOrCapture=*/false, |
2929 | Id.getLoc(), ExprType, VK_LValue); |
2930 | } |
2931 | |
2932 | Sema::DeclGroupPtrTy |
2933 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, |
2934 | ArrayRef<Expr *> VarList) { |
2935 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { |
2936 | CurContext->addDecl(D); |
2937 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
2938 | } |
2939 | return nullptr; |
2940 | } |
2941 | |
2942 | namespace { |
2943 | class LocalVarRefChecker final |
2944 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { |
2945 | Sema &SemaRef; |
2946 | |
2947 | public: |
2948 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
2949 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
2950 | if (VD->hasLocalStorage()) { |
2951 | SemaRef.Diag(E->getBeginLoc(), |
2952 | diag::err_omp_local_var_in_threadprivate_init) |
2953 | << E->getSourceRange(); |
2954 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) |
2955 | << VD << VD->getSourceRange(); |
2956 | return true; |
2957 | } |
2958 | } |
2959 | return false; |
2960 | } |
2961 | bool VisitStmt(const Stmt *S) { |
2962 | for (const Stmt *Child : S->children()) { |
2963 | if (Child && Visit(Child)) |
2964 | return true; |
2965 | } |
2966 | return false; |
2967 | } |
2968 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} |
2969 | }; |
2970 | } // namespace |
2971 | |
2972 | OMPThreadPrivateDecl * |
2973 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { |
2974 | SmallVector<Expr *, 8> Vars; |
2975 | for (Expr *RefExpr : VarList) { |
2976 | auto *DE = cast<DeclRefExpr>(RefExpr); |
2977 | auto *VD = cast<VarDecl>(DE->getDecl()); |
2978 | SourceLocation ILoc = DE->getExprLoc(); |
2979 | |
2980 | // Mark variable as used. |
2981 | VD->setReferenced(); |
2982 | VD->markUsed(Context); |
2983 | |
2984 | QualType QType = VD->getType(); |
2985 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { |
2986 | // It will be analyzed later. |
2987 | Vars.push_back(DE); |
2988 | continue; |
2989 | } |
2990 | |
2991 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] |
2992 | // A threadprivate variable must not have an incomplete type. |
2993 | if (RequireCompleteType(ILoc, VD->getType(), |
2994 | diag::err_omp_threadprivate_incomplete_type)) { |
2995 | continue; |
2996 | } |
2997 | |
2998 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] |
2999 | // A threadprivate variable must not have a reference type. |
3000 | if (VD->getType()->isReferenceType()) { |
3001 | Diag(ILoc, diag::err_omp_ref_type_arg) |
3002 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); |
3003 | bool IsDecl = |
3004 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3005 | Diag(VD->getLocation(), |
3006 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3007 | << VD; |
3008 | continue; |
3009 | } |
3010 | |
3011 | // Check if this is a TLS variable. If TLS is not being supported, produce |
3012 | // the corresponding diagnostic. |
3013 | if ((VD->getTLSKind() != VarDecl::TLS_None && |
3014 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && |
3015 | getLangOpts().OpenMPUseTLS && |
3016 | getASTContext().getTargetInfo().isTLSSupported())) || |
3017 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && |
3018 | !VD->isLocalVarDecl())) { |
3019 | Diag(ILoc, diag::err_omp_var_thread_local) |
3020 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); |
3021 | bool IsDecl = |
3022 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3023 | Diag(VD->getLocation(), |
3024 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3025 | << VD; |
3026 | continue; |
3027 | } |
3028 | |
3029 | // Check if initial value of threadprivate variable reference variable with |
3030 | // local storage (it is not supported by runtime). |
3031 | if (const Expr *Init = VD->getAnyInitializer()) { |
3032 | LocalVarRefChecker Checker(*this); |
3033 | if (Checker.Visit(Init)) |
3034 | continue; |
3035 | } |
3036 | |
3037 | Vars.push_back(RefExpr); |
3038 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); |
3039 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( |
3040 | Context, SourceRange(Loc, Loc))); |
3041 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
3042 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); |
3043 | } |
3044 | OMPThreadPrivateDecl *D = nullptr; |
3045 | if (!Vars.empty()) { |
3046 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, |
3047 | Vars); |
3048 | D->setAccess(AS_public); |
3049 | } |
3050 | return D; |
3051 | } |
3052 | |
3053 | static OMPAllocateDeclAttr::AllocatorTypeTy |
3054 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { |
3055 | if (!Allocator) |
3056 | return OMPAllocateDeclAttr::OMPNullMemAlloc; |
3057 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || |
3058 | Allocator->isInstantiationDependent() || |
3059 | Allocator->containsUnexpandedParameterPack()) |
3060 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; |
3061 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; |
3062 | const Expr *AE = Allocator->IgnoreParenImpCasts(); |
3063 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
3064 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
3065 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); |
3066 | llvm::FoldingSetNodeID AEId, DAEId; |
3067 | AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); |
3068 | DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); |
3069 | if (AEId == DAEId) { |
3070 | AllocatorKindRes = AllocatorKind; |
3071 | break; |
3072 | } |
3073 | } |
3074 | return AllocatorKindRes; |
3075 | } |
3076 | |
3077 | static bool checkPreviousOMPAllocateAttribute( |
3078 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, |
3079 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { |
3080 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) |
3081 | return false; |
3082 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); |
3083 | Expr *PrevAllocator = A->getAllocator(); |
3084 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = |
3085 | getAllocatorKind(S, Stack, PrevAllocator); |
3086 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; |
3087 | if (AllocatorsMatch && |
3088 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && |
3089 | Allocator && PrevAllocator) { |
3090 | const Expr *AE = Allocator->IgnoreParenImpCasts(); |
3091 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); |
3092 | llvm::FoldingSetNodeID AEId, PAEId; |
3093 | AE->Profile(AEId, S.Context, /*Canonical=*/true); |
3094 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); |
3095 | AllocatorsMatch = AEId == PAEId; |
3096 | } |
3097 | if (!AllocatorsMatch) { |
3098 | SmallString<256> AllocatorBuffer; |
3099 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); |
3100 | if (Allocator) |
3101 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); |
3102 | SmallString<256> PrevAllocatorBuffer; |
3103 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); |
3104 | if (PrevAllocator) |
3105 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, |
3106 | S.getPrintingPolicy()); |
3107 | |
3108 | SourceLocation AllocatorLoc = |
3109 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); |
3110 | SourceRange AllocatorRange = |
3111 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); |
3112 | SourceLocation PrevAllocatorLoc = |
3113 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); |
3114 | SourceRange PrevAllocatorRange = |
3115 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); |
3116 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) |
3117 | << (Allocator ? 1 : 0) << AllocatorStream.str() |
3118 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() |
3119 | << AllocatorRange; |
3120 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) |
3121 | << PrevAllocatorRange; |
3122 | return true; |
3123 | } |
3124 | return false; |
3125 | } |
3126 | |
3127 | static void |
3128 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, |
3129 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, |
3130 | Expr *Allocator, Expr *Alignment, SourceRange SR) { |
3131 | if (VD->hasAttr<OMPAllocateDeclAttr>()) |
3132 | return; |
3133 | if (Alignment && |
3134 | (Alignment->isTypeDependent() || Alignment->isValueDependent() || |
3135 | Alignment->isInstantiationDependent() || |
3136 | Alignment->containsUnexpandedParameterPack())) |
3137 | // Apply later when we have a usable value. |
3138 | return; |
3139 | if (Allocator && |
3140 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || |
3141 | Allocator->isInstantiationDependent() || |
3142 | Allocator->containsUnexpandedParameterPack())) |
3143 | return; |
3144 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, |
3145 | Allocator, Alignment, SR); |
3146 | VD->addAttr(A); |
3147 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) |
3148 | ML->DeclarationMarkedOpenMPAllocate(VD, A); |
3149 | } |
3150 | |
3151 | Sema::DeclGroupPtrTy |
3152 | Sema::ActOnOpenMPAllocateDirective(SourceLocation Loc, ArrayRef<Expr *> VarList, |
3153 | ArrayRef<OMPClause *> Clauses, |
3154 | DeclContext *Owner) { |
3155 | assert(Clauses.size() <= 2 && "Expected at most two clauses.")(static_cast <bool> (Clauses.size() <= 2 && "Expected at most two clauses." ) ? void (0) : __assert_fail ("Clauses.size() <= 2 && \"Expected at most two clauses.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 3155, __extension__ __PRETTY_FUNCTION__ )); |
3156 | Expr *Alignment = nullptr; |
3157 | Expr *Allocator = nullptr; |
3158 | if (Clauses.empty()) { |
3159 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. |
3160 | // allocate directives that appear in a target region must specify an |
3161 | // allocator clause unless a requires directive with the dynamic_allocators |
3162 | // clause is present in the same compilation unit. |
3163 | if (LangOpts.OpenMPIsDevice && |
3164 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) |
3165 | targetDiag(Loc, diag::err_expected_allocator_clause); |
3166 | } else { |
3167 | for (const OMPClause *C : Clauses) |
3168 | if (const auto *AC = dyn_cast<OMPAllocatorClause>(C)) |
3169 | Allocator = AC->getAllocator(); |
3170 | else if (const auto *AC = dyn_cast<OMPAlignClause>(C)) |
3171 | Alignment = AC->getAlignment(); |
3172 | else |
3173 | llvm_unreachable("Unexpected clause on allocate directive")::llvm::llvm_unreachable_internal("Unexpected clause on allocate directive" , "clang/lib/Sema/SemaOpenMP.cpp", 3173); |
3174 | } |
3175 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = |
3176 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); |
3177 | SmallVector<Expr *, 8> Vars; |
3178 | for (Expr *RefExpr : VarList) { |
3179 | auto *DE = cast<DeclRefExpr>(RefExpr); |
3180 | auto *VD = cast<VarDecl>(DE->getDecl()); |
3181 | |
3182 | // Check if this is a TLS variable or global register. |
3183 | if (VD->getTLSKind() != VarDecl::TLS_None || |
3184 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || |
3185 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && |
3186 | !VD->isLocalVarDecl())) |
3187 | continue; |
3188 | |
3189 | // If the used several times in the allocate directive, the same allocator |
3190 | // must be used. |
3191 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, |
3192 | AllocatorKind, Allocator)) |
3193 | continue; |
3194 | |
3195 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ |
3196 | // If a list item has a static storage type, the allocator expression in the |
3197 | // allocator clause must be a constant expression that evaluates to one of |
3198 | // the predefined memory allocator values. |
3199 | if (Allocator && VD->hasGlobalStorage()) { |
3200 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { |
3201 | Diag(Allocator->getExprLoc(), |
3202 | diag::err_omp_expected_predefined_allocator) |
3203 | << Allocator->getSourceRange(); |
3204 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == |
3205 | VarDecl::DeclarationOnly; |
3206 | Diag(VD->getLocation(), |
3207 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3208 | << VD; |
3209 | continue; |
3210 | } |
3211 | } |
3212 | |
3213 | Vars.push_back(RefExpr); |
3214 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, Alignment, |
3215 | DE->getSourceRange()); |
3216 | } |
3217 | if (Vars.empty()) |
3218 | return nullptr; |
3219 | if (!Owner) |
3220 | Owner = getCurLexicalContext(); |
3221 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); |
3222 | D->setAccess(AS_public); |
3223 | Owner->addDecl(D); |
3224 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
3225 | } |
3226 | |
3227 | Sema::DeclGroupPtrTy |
3228 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, |
3229 | ArrayRef<OMPClause *> ClauseList) { |
3230 | OMPRequiresDecl *D = nullptr; |
3231 | if (!CurContext->isFileContext()) { |
3232 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; |
3233 | } else { |
3234 | D = CheckOMPRequiresDecl(Loc, ClauseList); |
3235 | if (D) { |
3236 | CurContext->addDecl(D); |
3237 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); |
3238 | } |
3239 | } |
3240 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
3241 | } |
3242 | |
3243 | void Sema::ActOnOpenMPAssumesDirective(SourceLocation Loc, |
3244 | OpenMPDirectiveKind DKind, |
3245 | ArrayRef<std::string> Assumptions, |
3246 | bool SkippedClauses) { |
3247 | if (!SkippedClauses && Assumptions.empty()) |
3248 | Diag(Loc, diag::err_omp_no_clause_for_directive) |
3249 | << llvm::omp::getAllAssumeClauseOptions() |
3250 | << llvm::omp::getOpenMPDirectiveName(DKind); |
3251 | |
3252 | auto *AA = AssumptionAttr::Create(Context, llvm::join(Assumptions, ","), Loc); |
3253 | if (DKind == llvm::omp::Directive::OMPD_begin_assumes) { |
3254 | OMPAssumeScoped.push_back(AA); |
3255 | return; |
3256 | } |
3257 | |
3258 | // Global assumes without assumption clauses are ignored. |
3259 | if (Assumptions.empty()) |
3260 | return; |
3261 | |
3262 | assert(DKind == llvm::omp::Directive::OMPD_assumes &&(static_cast <bool> (DKind == llvm::omp::Directive::OMPD_assumes && "Unexpected omp assumption directive!") ? void (0 ) : __assert_fail ("DKind == llvm::omp::Directive::OMPD_assumes && \"Unexpected omp assumption directive!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 3263, __extension__ __PRETTY_FUNCTION__ )) |
3263 | "Unexpected omp assumption directive!")(static_cast <bool> (DKind == llvm::omp::Directive::OMPD_assumes && "Unexpected omp assumption directive!") ? void (0 ) : __assert_fail ("DKind == llvm::omp::Directive::OMPD_assumes && \"Unexpected omp assumption directive!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 3263, __extension__ __PRETTY_FUNCTION__ )); |
3264 | OMPAssumeGlobal.push_back(AA); |
3265 | |
3266 | // The OMPAssumeGlobal scope above will take care of new declarations but |
3267 | // we also want to apply the assumption to existing ones, e.g., to |
3268 | // declarations in included headers. To this end, we traverse all existing |
3269 | // declaration contexts and annotate function declarations here. |
3270 | SmallVector<DeclContext *, 8> DeclContexts; |
3271 | auto *Ctx = CurContext; |
3272 | while (Ctx->getLexicalParent()) |
3273 | Ctx = Ctx->getLexicalParent(); |
3274 | DeclContexts.push_back(Ctx); |
3275 | while (!DeclContexts.empty()) { |
3276 | DeclContext *DC = DeclContexts.pop_back_val(); |
3277 | for (auto *SubDC : DC->decls()) { |
3278 | if (SubDC->isInvalidDecl()) |
3279 | continue; |
3280 | if (auto *CTD = dyn_cast<ClassTemplateDecl>(SubDC)) { |
3281 | DeclContexts.push_back(CTD->getTemplatedDecl()); |
3282 | llvm::append_range(DeclContexts, CTD->specializations()); |
3283 | continue; |
3284 | } |
3285 | if (auto *DC = dyn_cast<DeclContext>(SubDC)) |
3286 | DeclContexts.push_back(DC); |
3287 | if (auto *F = dyn_cast<FunctionDecl>(SubDC)) { |
3288 | F->addAttr(AA); |
3289 | continue; |
3290 | } |
3291 | } |
3292 | } |
3293 | } |
3294 | |
3295 | void Sema::ActOnOpenMPEndAssumesDirective() { |
3296 | assert(isInOpenMPAssumeScope() && "Not in OpenMP assumes scope!")(static_cast <bool> (isInOpenMPAssumeScope() && "Not in OpenMP assumes scope!") ? void (0) : __assert_fail ( "isInOpenMPAssumeScope() && \"Not in OpenMP assumes scope!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 3296, __extension__ __PRETTY_FUNCTION__ )); |
3297 | OMPAssumeScoped.pop_back(); |
3298 | } |
3299 | |
3300 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, |
3301 | ArrayRef<OMPClause *> ClauseList) { |
3302 | /// For target specific clauses, the requires directive cannot be |
3303 | /// specified after the handling of any of the target regions in the |
3304 | /// current compilation unit. |
3305 | ArrayRef<SourceLocation> TargetLocations = |
3306 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); |
3307 | SourceLocation AtomicLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAtomicDirectiveLoc(); |
3308 | if (!TargetLocations.empty() || !AtomicLoc.isInvalid()) { |
3309 | for (const OMPClause *CNew : ClauseList) { |
3310 | // Check if any of the requires clauses affect target regions. |
3311 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || |
3312 | isa<OMPUnifiedAddressClause>(CNew) || |
3313 | isa<OMPReverseOffloadClause>(CNew) || |
3314 | isa<OMPDynamicAllocatorsClause>(CNew)) { |
3315 | Diag(Loc, diag::err_omp_directive_before_requires) |
3316 | << "target" << getOpenMPClauseName(CNew->getClauseKind()); |
3317 | for (SourceLocation TargetLoc : TargetLocations) { |
3318 | Diag(TargetLoc, diag::note_omp_requires_encountered_directive) |
3319 | << "target"; |
3320 | } |
3321 | } else if (!AtomicLoc.isInvalid() && |
3322 | isa<OMPAtomicDefaultMemOrderClause>(CNew)) { |
3323 | Diag(Loc, diag::err_omp_directive_before_requires) |
3324 | << "atomic" << getOpenMPClauseName(CNew->getClauseKind()); |
3325 | Diag(AtomicLoc, diag::note_omp_requires_encountered_directive) |
3326 | << "atomic"; |
3327 | } |
3328 | } |
3329 | } |
3330 | |
3331 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) |
3332 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, |
3333 | ClauseList); |
3334 | return nullptr; |
3335 | } |
3336 | |
3337 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, |
3338 | const ValueDecl *D, |
3339 | const DSAStackTy::DSAVarData &DVar, |
3340 | bool IsLoopIterVar) { |
3341 | if (DVar.RefExpr) { |
3342 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) |
3343 | << getOpenMPClauseName(DVar.CKind); |
3344 | return; |
3345 | } |
3346 | enum { |
3347 | PDSA_StaticMemberShared, |
3348 | PDSA_StaticLocalVarShared, |
3349 | PDSA_LoopIterVarPrivate, |
3350 | PDSA_LoopIterVarLinear, |
3351 | PDSA_LoopIterVarLastprivate, |
3352 | PDSA_ConstVarShared, |
3353 | PDSA_GlobalVarShared, |
3354 | PDSA_TaskVarFirstprivate, |
3355 | PDSA_LocalVarPrivate, |
3356 | PDSA_Implicit |
3357 | } Reason = PDSA_Implicit; |
3358 | bool ReportHint = false; |
3359 | auto ReportLoc = D->getLocation(); |
3360 | auto *VD = dyn_cast<VarDecl>(D); |
3361 | if (IsLoopIterVar) { |
3362 | if (DVar.CKind == OMPC_private) |
3363 | Reason = PDSA_LoopIterVarPrivate; |
3364 | else if (DVar.CKind == OMPC_lastprivate) |
3365 | Reason = PDSA_LoopIterVarLastprivate; |
3366 | else |
3367 | Reason = PDSA_LoopIterVarLinear; |
3368 | } else if (isOpenMPTaskingDirective(DVar.DKind) && |
3369 | DVar.CKind == OMPC_firstprivate) { |
3370 | Reason = PDSA_TaskVarFirstprivate; |
3371 | ReportLoc = DVar.ImplicitDSALoc; |
3372 | } else if (VD && VD->isStaticLocal()) |
3373 | Reason = PDSA_StaticLocalVarShared; |
3374 | else if (VD && VD->isStaticDataMember()) |
3375 | Reason = PDSA_StaticMemberShared; |
3376 | else if (VD && VD->isFileVarDecl()) |
3377 | Reason = PDSA_GlobalVarShared; |
3378 | else if (D->getType().isConstant(SemaRef.getASTContext())) |
3379 | Reason = PDSA_ConstVarShared; |
3380 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { |
3381 | ReportHint = true; |
3382 | Reason = PDSA_LocalVarPrivate; |
3383 | } |
3384 | if (Reason != PDSA_Implicit) { |
3385 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) |
3386 | << Reason << ReportHint |
3387 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); |
3388 | } else if (DVar.ImplicitDSALoc.isValid()) { |
3389 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) |
3390 | << getOpenMPClauseName(DVar.CKind); |
3391 | } |
3392 | } |
3393 | |
3394 | static OpenMPMapClauseKind |
3395 | getMapClauseKindFromModifier(OpenMPDefaultmapClauseModifier M, |
3396 | bool IsAggregateOrDeclareTarget) { |
3397 | OpenMPMapClauseKind Kind = OMPC_MAP_unknown; |
3398 | switch (M) { |
3399 | case OMPC_DEFAULTMAP_MODIFIER_alloc: |
3400 | Kind = OMPC_MAP_alloc; |
3401 | break; |
3402 | case OMPC_DEFAULTMAP_MODIFIER_to: |
3403 | Kind = OMPC_MAP_to; |
3404 | break; |
3405 | case OMPC_DEFAULTMAP_MODIFIER_from: |
3406 | Kind = OMPC_MAP_from; |
3407 | break; |
3408 | case OMPC_DEFAULTMAP_MODIFIER_tofrom: |
3409 | Kind = OMPC_MAP_tofrom; |
3410 | break; |
3411 | case OMPC_DEFAULTMAP_MODIFIER_present: |
3412 | // OpenMP 5.1 [2.21.7.3] defaultmap clause, Description] |
3413 | // If implicit-behavior is present, each variable referenced in the |
3414 | // construct in the category specified by variable-category is treated as if |
3415 | // it had been listed in a map clause with the map-type of alloc and |
3416 | // map-type-modifier of present. |
3417 | Kind = OMPC_MAP_alloc; |
3418 | break; |
3419 | case OMPC_DEFAULTMAP_MODIFIER_firstprivate: |
3420 | case OMPC_DEFAULTMAP_MODIFIER_last: |
3421 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "clang/lib/Sema/SemaOpenMP.cpp", 3421); |
3422 | case OMPC_DEFAULTMAP_MODIFIER_none: |
3423 | case OMPC_DEFAULTMAP_MODIFIER_default: |
3424 | case OMPC_DEFAULTMAP_MODIFIER_unknown: |
3425 | // IsAggregateOrDeclareTarget could be true if: |
3426 | // 1. the implicit behavior for aggregate is tofrom |
3427 | // 2. it's a declare target link |
3428 | if (IsAggregateOrDeclareTarget) { |
3429 | Kind = OMPC_MAP_tofrom; |
3430 | break; |
3431 | } |
3432 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "clang/lib/Sema/SemaOpenMP.cpp", 3432); |
3433 | } |
3434 | assert(Kind != OMPC_MAP_unknown && "Expect map kind to be known")(static_cast <bool> (Kind != OMPC_MAP_unknown && "Expect map kind to be known") ? void (0) : __assert_fail ("Kind != OMPC_MAP_unknown && \"Expect map kind to be known\"" , "clang/lib/Sema/SemaOpenMP.cpp", 3434, __extension__ __PRETTY_FUNCTION__ )); |
3435 | return Kind; |
3436 | } |
3437 | |
3438 | namespace { |
3439 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { |
3440 | DSAStackTy *Stack; |
3441 | Sema &SemaRef; |
3442 | bool ErrorFound = false; |
3443 | bool TryCaptureCXXThisMembers = false; |
3444 | CapturedStmt *CS = nullptr; |
3445 | const static unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; |
3446 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; |
3447 | llvm::SmallVector<Expr *, 4> ImplicitMap[DefaultmapKindNum][OMPC_MAP_delete]; |
3448 | llvm::SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> |
3449 | ImplicitMapModifier[DefaultmapKindNum]; |
3450 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; |
3451 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; |
3452 | |
3453 | void VisitSubCaptures(OMPExecutableDirective *S) { |
3454 | // Check implicitly captured variables. |
3455 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) |
3456 | return; |
3457 | if (S->getDirectiveKind() == OMPD_atomic || |
3458 | S->getDirectiveKind() == OMPD_critical || |
3459 | S->getDirectiveKind() == OMPD_section || |
3460 | S->getDirectiveKind() == OMPD_master || |
3461 | S->getDirectiveKind() == OMPD_masked || |
3462 | isOpenMPLoopTransformationDirective(S->getDirectiveKind())) { |
3463 | Visit(S->getAssociatedStmt()); |
3464 | return; |
3465 | } |
3466 | visitSubCaptures(S->getInnermostCapturedStmt()); |
3467 | // Try to capture inner this->member references to generate correct mappings |
3468 | // and diagnostics. |
3469 | if (TryCaptureCXXThisMembers || |
3470 | (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
3471 | llvm::any_of(S->getInnermostCapturedStmt()->captures(), |
3472 | [](const CapturedStmt::Capture &C) { |
3473 | return C.capturesThis(); |
3474 | }))) { |
3475 | bool SavedTryCaptureCXXThisMembers = TryCaptureCXXThisMembers; |
3476 | TryCaptureCXXThisMembers = true; |
3477 | Visit(S->getInnermostCapturedStmt()->getCapturedStmt()); |
3478 | TryCaptureCXXThisMembers = SavedTryCaptureCXXThisMembers; |
3479 | } |
3480 | // In tasks firstprivates are not captured anymore, need to analyze them |
3481 | // explicitly. |
3482 | if (isOpenMPTaskingDirective(S->getDirectiveKind()) && |
3483 | !isOpenMPTaskLoopDirective(S->getDirectiveKind())) { |
3484 | for (OMPClause *C : S->clauses()) |
3485 | if (auto *FC = dyn_cast<OMPFirstprivateClause>(C)) { |
3486 | for (Expr *Ref : FC->varlists()) |
3487 | Visit(Ref); |
3488 | } |
3489 | } |
3490 | } |
3491 | |
3492 | public: |
3493 | void VisitDeclRefExpr(DeclRefExpr *E) { |
3494 | if (TryCaptureCXXThisMembers || E->isTypeDependent() || |
3495 | E->isValueDependent() || E->containsUnexpandedParameterPack() || |
3496 | E->isInstantiationDependent()) |
3497 | return; |
3498 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
3499 | // Check the datasharing rules for the expressions in the clauses. |
3500 | if (!CS || (isa<OMPCapturedExprDecl>(VD) && !CS->capturesVariable(VD) && |
3501 | !Stack->getTopDSA(VD, /*FromParent=*/false).RefExpr)) { |
3502 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) |
3503 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { |
3504 | Visit(CED->getInit()); |
3505 | return; |
3506 | } |
3507 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) |
3508 | // Do not analyze internal variables and do not enclose them into |
3509 | // implicit clauses. |
3510 | return; |
3511 | VD = VD->getCanonicalDecl(); |
3512 | // Skip internally declared variables. |
3513 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD) && |
3514 | !Stack->isImplicitTaskFirstprivate(VD)) |
3515 | return; |
3516 | // Skip allocators in uses_allocators clauses. |
3517 | if (Stack->isUsesAllocatorsDecl(VD).hasValue()) |
3518 | return; |
3519 | |
3520 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); |
3521 | // Check if the variable has explicit DSA set and stop analysis if it so. |
3522 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) |
3523 | return; |
3524 | |
3525 | // Skip internally declared static variables. |
3526 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = |
3527 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); |
3528 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && |
3529 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || |
3530 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) && |
3531 | !Stack->isImplicitTaskFirstprivate(VD)) |
3532 | return; |
3533 | |
3534 | SourceLocation ELoc = E->getExprLoc(); |
3535 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); |
3536 | // The default(none) clause requires that each variable that is referenced |
3537 | // in the construct, and does not have a predetermined data-sharing |
3538 | // attribute, must have its data-sharing attribute explicitly determined |
3539 | // by being listed in a data-sharing attribute clause. |
3540 | if (DVar.CKind == OMPC_unknown && |
3541 | (Stack->getDefaultDSA() == DSA_none || |
3542 | Stack->getDefaultDSA() == DSA_firstprivate) && |
3543 | isImplicitOrExplicitTaskingRegion(DKind) && |
3544 | VarsWithInheritedDSA.count(VD) == 0) { |
3545 | bool InheritedDSA = Stack->getDefaultDSA() == DSA_none; |
3546 | if (!InheritedDSA && Stack->getDefaultDSA() == DSA_firstprivate) { |
3547 | DSAStackTy::DSAVarData DVar = |
3548 | Stack->getImplicitDSA(VD, /*FromParent=*/false); |
3549 | InheritedDSA = DVar.CKind == OMPC_unknown; |
3550 | } |
3551 | if (InheritedDSA) |
3552 | VarsWithInheritedDSA[VD] = E; |
3553 | return; |
3554 | } |
3555 | |
3556 | // OpenMP 5.0 [2.19.7.2, defaultmap clause, Description] |
3557 | // If implicit-behavior is none, each variable referenced in the |
3558 | // construct that does not have a predetermined data-sharing attribute |
3559 | // and does not appear in a to or link clause on a declare target |
3560 | // directive must be listed in a data-mapping attribute clause, a |
3561 | // data-haring attribute clause (including a data-sharing attribute |
3562 | // clause on a combined construct where target. is one of the |
3563 | // constituent constructs), or an is_device_ptr clause. |
3564 | OpenMPDefaultmapClauseKind ClauseKind = |
3565 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), VD); |
3566 | if (SemaRef.getLangOpts().OpenMP >= 50) { |
3567 | bool IsModifierNone = Stack->getDefaultmapModifier(ClauseKind) == |
3568 | OMPC_DEFAULTMAP_MODIFIER_none; |
3569 | if (DVar.CKind == OMPC_unknown && IsModifierNone && |
3570 | VarsWithInheritedDSA.count(VD) == 0 && !Res) { |
3571 | // Only check for data-mapping attribute and is_device_ptr here |
3572 | // since we have already make sure that the declaration does not |
3573 | // have a data-sharing attribute above |
3574 | if (!Stack->checkMappableExprComponentListsForDecl( |
3575 | VD, /*CurrentRegionOnly=*/true, |
3576 | [VD](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3577 | MapExprComponents, |
3578 | OpenMPClauseKind) { |
3579 | auto MI = MapExprComponents.rbegin(); |
3580 | auto ME = MapExprComponents.rend(); |
3581 | return MI != ME && MI->getAssociatedDeclaration() == VD; |
3582 | })) { |
3583 | VarsWithInheritedDSA[VD] = E; |
3584 | return; |
3585 | } |
3586 | } |
3587 | } |
3588 | if (SemaRef.getLangOpts().OpenMP > 50) { |
3589 | bool IsModifierPresent = Stack->getDefaultmapModifier(ClauseKind) == |
3590 | OMPC_DEFAULTMAP_MODIFIER_present; |
3591 | if (IsModifierPresent) { |
3592 | if (llvm::find(ImplicitMapModifier[ClauseKind], |
3593 | OMPC_MAP_MODIFIER_present) == |
3594 | std::end(ImplicitMapModifier[ClauseKind])) { |
3595 | ImplicitMapModifier[ClauseKind].push_back( |
3596 | OMPC_MAP_MODIFIER_present); |
3597 | } |
3598 | } |
3599 | } |
3600 | |
3601 | if (isOpenMPTargetExecutionDirective(DKind) && |
3602 | !Stack->isLoopControlVariable(VD).first) { |
3603 | if (!Stack->checkMappableExprComponentListsForDecl( |
3604 | VD, /*CurrentRegionOnly=*/true, |
3605 | [this](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3606 | StackComponents, |
3607 | OpenMPClauseKind) { |
3608 | if (SemaRef.LangOpts.OpenMP >= 50) |
3609 | return !StackComponents.empty(); |
3610 | // Variable is used if it has been marked as an array, array |
3611 | // section, array shaping or the variable iself. |
3612 | return StackComponents.size() == 1 || |
3613 | std::all_of( |
3614 | std::next(StackComponents.rbegin()), |
3615 | StackComponents.rend(), |
3616 | [](const OMPClauseMappableExprCommon:: |
3617 | MappableComponent &MC) { |
3618 | return MC.getAssociatedDeclaration() == |
3619 | nullptr && |
3620 | (isa<OMPArraySectionExpr>( |
3621 | MC.getAssociatedExpression()) || |
3622 | isa<OMPArrayShapingExpr>( |
3623 | MC.getAssociatedExpression()) || |
3624 | isa<ArraySubscriptExpr>( |
3625 | MC.getAssociatedExpression())); |
3626 | }); |
3627 | })) { |
3628 | bool IsFirstprivate = false; |
3629 | // By default lambdas are captured as firstprivates. |
3630 | if (const auto *RD = |
3631 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) |
3632 | IsFirstprivate = RD->isLambda(); |
3633 | IsFirstprivate = |
3634 | IsFirstprivate || (Stack->mustBeFirstprivate(ClauseKind) && !Res); |
3635 | if (IsFirstprivate) { |
3636 | ImplicitFirstprivate.emplace_back(E); |
3637 | } else { |
3638 | OpenMPDefaultmapClauseModifier M = |
3639 | Stack->getDefaultmapModifier(ClauseKind); |
3640 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( |
3641 | M, ClauseKind == OMPC_DEFAULTMAP_aggregate || Res); |
3642 | ImplicitMap[ClauseKind][Kind].emplace_back(E); |
3643 | } |
3644 | return; |
3645 | } |
3646 | } |
3647 | |
3648 | // OpenMP [2.9.3.6, Restrictions, p.2] |
3649 | // A list item that appears in a reduction clause of the innermost |
3650 | // enclosing worksharing or parallel construct may not be accessed in an |
3651 | // explicit task. |
3652 | DVar = Stack->hasInnermostDSA( |
3653 | VD, |
3654 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
3655 | return C == OMPC_reduction && !AppliedToPointee; |
3656 | }, |
3657 | [](OpenMPDirectiveKind K) { |
3658 | return isOpenMPParallelDirective(K) || |
3659 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); |
3660 | }, |
3661 | /*FromParent=*/true); |
3662 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { |
3663 | ErrorFound = true; |
3664 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); |
3665 | reportOriginalDsa(SemaRef, Stack, VD, DVar); |
3666 | return; |
3667 | } |
3668 | |
3669 | // Define implicit data-sharing attributes for task. |
3670 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); |
3671 | if (((isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared) || |
3672 | (Stack->getDefaultDSA() == DSA_firstprivate && |
3673 | DVar.CKind == OMPC_firstprivate && !DVar.RefExpr)) && |
3674 | !Stack->isLoopControlVariable(VD).first) { |
3675 | ImplicitFirstprivate.push_back(E); |
3676 | return; |
3677 | } |
3678 | |
3679 | // Store implicitly used globals with declare target link for parent |
3680 | // target. |
3681 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && |
3682 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { |
3683 | Stack->addToParentTargetRegionLinkGlobals(E); |
3684 | return; |
3685 | } |
3686 | } |
3687 | } |
3688 | void VisitMemberExpr(MemberExpr *E) { |
3689 | if (E->isTypeDependent() || E->isValueDependent() || |
3690 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) |
3691 | return; |
3692 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); |
3693 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); |
3694 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParenCasts())) { |
3695 | if (!FD) |
3696 | return; |
3697 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); |
3698 | // Check if the variable has explicit DSA set and stop analysis if it |
3699 | // so. |
3700 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) |
3701 | return; |
3702 | |
3703 | if (isOpenMPTargetExecutionDirective(DKind) && |
3704 | !Stack->isLoopControlVariable(FD).first && |
3705 | !Stack->checkMappableExprComponentListsForDecl( |
3706 | FD, /*CurrentRegionOnly=*/true, |
3707 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3708 | StackComponents, |
3709 | OpenMPClauseKind) { |
3710 | return isa<CXXThisExpr>( |
3711 | cast<MemberExpr>( |
3712 | StackComponents.back().getAssociatedExpression()) |
3713 | ->getBase() |
3714 | ->IgnoreParens()); |
3715 | })) { |
3716 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] |
3717 | // A bit-field cannot appear in a map clause. |
3718 | // |
3719 | if (FD->isBitField()) |
3720 | return; |
3721 | |
3722 | // Check to see if the member expression is referencing a class that |
3723 | // has already been explicitly mapped |
3724 | if (Stack->isClassPreviouslyMapped(TE->getType())) |
3725 | return; |
3726 | |
3727 | OpenMPDefaultmapClauseModifier Modifier = |
3728 | Stack->getDefaultmapModifier(OMPC_DEFAULTMAP_aggregate); |
3729 | OpenMPDefaultmapClauseKind ClauseKind = |
3730 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), FD); |
3731 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( |
3732 | Modifier, /*IsAggregateOrDeclareTarget*/ true); |
3733 | ImplicitMap[ClauseKind][Kind].emplace_back(E); |
3734 | return; |
3735 | } |
3736 | |
3737 | SourceLocation ELoc = E->getExprLoc(); |
3738 | // OpenMP [2.9.3.6, Restrictions, p.2] |
3739 | // A list item that appears in a reduction clause of the innermost |
3740 | // enclosing worksharing or parallel construct may not be accessed in |
3741 | // an explicit task. |
3742 | DVar = Stack->hasInnermostDSA( |
3743 | FD, |
3744 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
3745 | return C == OMPC_reduction && !AppliedToPointee; |
3746 | }, |
3747 | [](OpenMPDirectiveKind K) { |
3748 | return isOpenMPParallelDirective(K) || |
3749 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); |
3750 | }, |
3751 | /*FromParent=*/true); |
3752 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { |
3753 | ErrorFound = true; |
3754 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); |
3755 | reportOriginalDsa(SemaRef, Stack, FD, DVar); |
3756 | return; |
3757 | } |
3758 | |
3759 | // Define implicit data-sharing attributes for task. |
3760 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); |
3761 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && |
3762 | !Stack->isLoopControlVariable(FD).first) { |
3763 | // Check if there is a captured expression for the current field in the |
3764 | // region. Do not mark it as firstprivate unless there is no captured |
3765 | // expression. |
3766 | // TODO: try to make it firstprivate. |
3767 | if (DVar.CKind != OMPC_unknown) |
3768 | ImplicitFirstprivate.push_back(E); |
3769 | } |
3770 | return; |
3771 | } |
3772 | if (isOpenMPTargetExecutionDirective(DKind)) { |
3773 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; |
3774 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, |
3775 | Stack->getCurrentDirective(), |
3776 | /*NoDiagnose=*/true)) |
3777 | return; |
3778 | const auto *VD = cast<ValueDecl>( |
3779 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); |
3780 | if (!Stack->checkMappableExprComponentListsForDecl( |
3781 | VD, /*CurrentRegionOnly=*/true, |
3782 | [&CurComponents]( |
3783 | OMPClauseMappableExprCommon::MappableExprComponentListRef |
3784 | StackComponents, |
3785 | OpenMPClauseKind) { |
3786 | auto CCI = CurComponents.rbegin(); |
3787 | auto CCE = CurComponents.rend(); |
3788 | for (const auto &SC : llvm::reverse(StackComponents)) { |
3789 | // Do both expressions have the same kind? |
3790 | if (CCI->getAssociatedExpression()->getStmtClass() != |
3791 | SC.getAssociatedExpression()->getStmtClass()) |
3792 | if (!((isa<OMPArraySectionExpr>( |
3793 | SC.getAssociatedExpression()) || |
3794 | isa<OMPArrayShapingExpr>( |
3795 | SC.getAssociatedExpression())) && |
3796 | isa<ArraySubscriptExpr>( |
3797 | CCI->getAssociatedExpression()))) |
3798 | return false; |
3799 | |
3800 | const Decl *CCD = CCI->getAssociatedDeclaration(); |
3801 | const Decl *SCD = SC.getAssociatedDeclaration(); |
3802 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; |
3803 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; |
3804 | if (SCD != CCD) |
3805 | return false; |
3806 | std::advance(CCI, 1); |
3807 | if (CCI == CCE) |
3808 | break; |
3809 | } |
3810 | return true; |
3811 | })) { |
3812 | Visit(E->getBase()); |
3813 | } |
3814 | } else if (!TryCaptureCXXThisMembers) { |
3815 | Visit(E->getBase()); |
3816 | } |
3817 | } |
3818 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { |
3819 | for (OMPClause *C : S->clauses()) { |
3820 | // Skip analysis of arguments of private clauses for task|target |
3821 | // directives. |
3822 | if (isa_and_nonnull<OMPPrivateClause>(C)) |
3823 | continue; |
3824 | // Skip analysis of arguments of implicitly defined firstprivate clause |
3825 | // for task|target directives. |
3826 | // Skip analysis of arguments of implicitly defined map clause for target |
3827 | // directives. |
3828 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && |
3829 | C->isImplicit() && |
3830 | !isOpenMPTaskingDirective(Stack->getCurrentDirective()))) { |
3831 | for (Stmt *CC : C->children()) { |
3832 | if (CC) |
3833 | Visit(CC); |
3834 | } |
3835 | } |
3836 | } |
3837 | // Check implicitly captured variables. |
3838 | VisitSubCaptures(S); |
3839 | } |
3840 | |
3841 | void VisitOMPLoopTransformationDirective(OMPLoopTransformationDirective *S) { |
3842 | // Loop transformation directives do not introduce data sharing |
3843 | VisitStmt(S); |
3844 | } |
3845 | |
3846 | void VisitCallExpr(CallExpr *S) { |
3847 | for (Stmt *C : S->arguments()) { |
3848 | if (C) { |
3849 | // Check implicitly captured variables in the task-based directives to |
3850 | // check if they must be firstprivatized. |
3851 | Visit(C); |
3852 | } |
3853 | } |
3854 | if (Expr *Callee = S->getCallee()) |
3855 | if (auto *CE = dyn_cast<MemberExpr>(Callee->IgnoreParenImpCasts())) |
3856 | Visit(CE->getBase()); |
3857 | } |
3858 | void VisitStmt(Stmt *S) { |
3859 | for (Stmt *C : S->children()) { |
3860 | if (C) { |
3861 | // Check implicitly captured variables in the task-based directives to |
3862 | // check if they must be firstprivatized. |
3863 | Visit(C); |
3864 | } |
3865 | } |
3866 | } |
3867 | |
3868 | void visitSubCaptures(CapturedStmt *S) { |
3869 | for (const CapturedStmt::Capture &Cap : S->captures()) { |
3870 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) |
3871 | continue; |
3872 | VarDecl *VD = Cap.getCapturedVar(); |
3873 | // Do not try to map the variable if it or its sub-component was mapped |
3874 | // already. |
3875 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
3876 | Stack->checkMappableExprComponentListsForDecl( |
3877 | VD, /*CurrentRegionOnly=*/true, |
3878 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
3879 | OpenMPClauseKind) { return true; })) |
3880 | continue; |
3881 | DeclRefExpr *DRE = buildDeclRefExpr( |
3882 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), |
3883 | Cap.getLocation(), /*RefersToCapture=*/true); |
3884 | Visit(DRE); |
3885 | } |
3886 | } |
3887 | bool isErrorFound() const { return ErrorFound; } |
3888 | ArrayRef<Expr *> getImplicitFirstprivate() const { |
3889 | return ImplicitFirstprivate; |
3890 | } |
3891 | ArrayRef<Expr *> getImplicitMap(OpenMPDefaultmapClauseKind DK, |
3892 | OpenMPMapClauseKind MK) const { |
3893 | return ImplicitMap[DK][MK]; |
3894 | } |
3895 | ArrayRef<OpenMPMapModifierKind> |
3896 | getImplicitMapModifier(OpenMPDefaultmapClauseKind Kind) const { |
3897 | return ImplicitMapModifier[Kind]; |
3898 | } |
3899 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { |
3900 | return VarsWithInheritedDSA; |
3901 | } |
3902 | |
3903 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) |
3904 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { |
3905 | // Process declare target link variables for the target directives. |
3906 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { |
3907 | for (DeclRefExpr *E : Stack->getLinkGlobals()) |
3908 | Visit(E); |
3909 | } |
3910 | } |
3911 | }; |
3912 | } // namespace |
3913 | |
3914 | static void handleDeclareVariantConstructTrait(DSAStackTy *Stack, |
3915 | OpenMPDirectiveKind DKind, |
3916 | bool ScopeEntry) { |
3917 | SmallVector<llvm::omp::TraitProperty, 8> Traits; |
3918 | if (isOpenMPTargetExecutionDirective(DKind)) |
3919 | Traits.emplace_back(llvm::omp::TraitProperty::construct_target_target); |
3920 | if (isOpenMPTeamsDirective(DKind)) |
3921 | Traits.emplace_back(llvm::omp::TraitProperty::construct_teams_teams); |
3922 | if (isOpenMPParallelDirective(DKind)) |
3923 | Traits.emplace_back(llvm::omp::TraitProperty::construct_parallel_parallel); |
3924 | if (isOpenMPWorksharingDirective(DKind)) |
3925 | Traits.emplace_back(llvm::omp::TraitProperty::construct_for_for); |
3926 | if (isOpenMPSimdDirective(DKind)) |
3927 | Traits.emplace_back(llvm::omp::TraitProperty::construct_simd_simd); |
3928 | Stack->handleConstructTrait(Traits, ScopeEntry); |
3929 | } |
3930 | |
3931 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { |
3932 | switch (DKind) { |
3933 | case OMPD_parallel: |
3934 | case OMPD_parallel_for: |
3935 | case OMPD_parallel_for_simd: |
3936 | case OMPD_parallel_sections: |
3937 | case OMPD_parallel_master: |
3938 | case OMPD_parallel_loop: |
3939 | case OMPD_teams: |
3940 | case OMPD_teams_distribute: |
3941 | case OMPD_teams_distribute_simd: { |
3942 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
3943 | QualType KmpInt32PtrTy = |
3944 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
3945 | Sema::CapturedParamNameType Params[] = { |
3946 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
3947 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
3948 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3949 | }; |
3950 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3951 | Params); |
3952 | break; |
3953 | } |
3954 | case OMPD_target_teams: |
3955 | case OMPD_target_parallel: |
3956 | case OMPD_target_parallel_for: |
3957 | case OMPD_target_parallel_for_simd: |
3958 | case OMPD_target_teams_loop: |
3959 | case OMPD_target_parallel_loop: |
3960 | case OMPD_target_teams_distribute: |
3961 | case OMPD_target_teams_distribute_simd: { |
3962 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
3963 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
3964 | QualType KmpInt32PtrTy = |
3965 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
3966 | QualType Args[] = {VoidPtrTy}; |
3967 | FunctionProtoType::ExtProtoInfo EPI; |
3968 | EPI.Variadic = true; |
3969 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
3970 | Sema::CapturedParamNameType Params[] = { |
3971 | std::make_pair(".global_tid.", KmpInt32Ty), |
3972 | std::make_pair(".part_id.", KmpInt32PtrTy), |
3973 | std::make_pair(".privates.", VoidPtrTy), |
3974 | std::make_pair( |
3975 | ".copy_fn.", |
3976 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
3977 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
3978 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3979 | }; |
3980 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3981 | Params, /*OpenMPCaptureLevel=*/0); |
3982 | // Mark this captured region as inlined, because we don't use outlined |
3983 | // function directly. |
3984 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
3985 | AlwaysInlineAttr::CreateImplicit( |
3986 | Context, {}, AttributeCommonInfo::AS_Keyword, |
3987 | AlwaysInlineAttr::Keyword_forceinline)); |
3988 | Sema::CapturedParamNameType ParamsTarget[] = { |
3989 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3990 | }; |
3991 | // Start a captured region for 'target' with no implicit parameters. |
3992 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3993 | ParamsTarget, /*OpenMPCaptureLevel=*/1); |
3994 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { |
3995 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
3996 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
3997 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3998 | }; |
3999 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4000 | // the same implicit parameters. |
4001 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4002 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); |
4003 | break; |
4004 | } |
4005 | case OMPD_target: |
4006 | case OMPD_target_simd: { |
4007 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4008 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4009 | QualType KmpInt32PtrTy = |
4010 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4011 | QualType Args[] = {VoidPtrTy}; |
4012 | FunctionProtoType::ExtProtoInfo EPI; |
4013 | EPI.Variadic = true; |
4014 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4015 | Sema::CapturedParamNameType Params[] = { |
4016 | std::make_pair(".global_tid.", KmpInt32Ty), |
4017 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4018 | std::make_pair(".privates.", VoidPtrTy), |
4019 | std::make_pair( |
4020 | ".copy_fn.", |
4021 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4022 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4023 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4024 | }; |
4025 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4026 | Params, /*OpenMPCaptureLevel=*/0); |
4027 | // Mark this captured region as inlined, because we don't use outlined |
4028 | // function directly. |
4029 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4030 | AlwaysInlineAttr::CreateImplicit( |
4031 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4032 | AlwaysInlineAttr::Keyword_forceinline)); |
4033 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4034 | std::make_pair(StringRef(), QualType()), |
4035 | /*OpenMPCaptureLevel=*/1); |
4036 | break; |
4037 | } |
4038 | case OMPD_atomic: |
4039 | case OMPD_critical: |
4040 | case OMPD_section: |
4041 | case OMPD_master: |
4042 | case OMPD_masked: |
4043 | case OMPD_tile: |
4044 | case OMPD_unroll: |
4045 | break; |
4046 | case OMPD_loop: |
4047 | // TODO: 'loop' may require additional parameters depending on the binding. |
4048 | // Treat similar to OMPD_simd/OMPD_for for now. |
4049 | case OMPD_simd: |
4050 | case OMPD_for: |
4051 | case OMPD_for_simd: |
4052 | case OMPD_sections: |
4053 | case OMPD_single: |
4054 | case OMPD_taskgroup: |
4055 | case OMPD_distribute: |
4056 | case OMPD_distribute_simd: |
4057 | case OMPD_ordered: |
4058 | case OMPD_target_data: |
4059 | case OMPD_dispatch: { |
4060 | Sema::CapturedParamNameType Params[] = { |
4061 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4062 | }; |
4063 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4064 | Params); |
4065 | break; |
4066 | } |
4067 | case OMPD_task: { |
4068 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4069 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4070 | QualType KmpInt32PtrTy = |
4071 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4072 | QualType Args[] = {VoidPtrTy}; |
4073 | FunctionProtoType::ExtProtoInfo EPI; |
4074 | EPI.Variadic = true; |
4075 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4076 | Sema::CapturedParamNameType Params[] = { |
4077 | std::make_pair(".global_tid.", KmpInt32Ty), |
4078 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4079 | std::make_pair(".privates.", VoidPtrTy), |
4080 | std::make_pair( |
4081 | ".copy_fn.", |
4082 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4083 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4084 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4085 | }; |
4086 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4087 | Params); |
4088 | // Mark this captured region as inlined, because we don't use outlined |
4089 | // function directly. |
4090 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4091 | AlwaysInlineAttr::CreateImplicit( |
4092 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4093 | AlwaysInlineAttr::Keyword_forceinline)); |
4094 | break; |
4095 | } |
4096 | case OMPD_taskloop: |
4097 | case OMPD_taskloop_simd: |
4098 | case OMPD_master_taskloop: |
4099 | case OMPD_master_taskloop_simd: { |
4100 | QualType KmpInt32Ty = |
4101 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) |
4102 | .withConst(); |
4103 | QualType KmpUInt64Ty = |
4104 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) |
4105 | .withConst(); |
4106 | QualType KmpInt64Ty = |
4107 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) |
4108 | .withConst(); |
4109 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4110 | QualType KmpInt32PtrTy = |
4111 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4112 | QualType Args[] = {VoidPtrTy}; |
4113 | FunctionProtoType::ExtProtoInfo EPI; |
4114 | EPI.Variadic = true; |
4115 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4116 | Sema::CapturedParamNameType Params[] = { |
4117 | std::make_pair(".global_tid.", KmpInt32Ty), |
4118 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4119 | std::make_pair(".privates.", VoidPtrTy), |
4120 | std::make_pair( |
4121 | ".copy_fn.", |
4122 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4123 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4124 | std::make_pair(".lb.", KmpUInt64Ty), |
4125 | std::make_pair(".ub.", KmpUInt64Ty), |
4126 | std::make_pair(".st.", KmpInt64Ty), |
4127 | std::make_pair(".liter.", KmpInt32Ty), |
4128 | std::make_pair(".reductions.", VoidPtrTy), |
4129 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4130 | }; |
4131 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4132 | Params); |
4133 | // Mark this captured region as inlined, because we don't use outlined |
4134 | // function directly. |
4135 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4136 | AlwaysInlineAttr::CreateImplicit( |
4137 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4138 | AlwaysInlineAttr::Keyword_forceinline)); |
4139 | break; |
4140 | } |
4141 | case OMPD_parallel_master_taskloop: |
4142 | case OMPD_parallel_master_taskloop_simd: { |
4143 | QualType KmpInt32Ty = |
4144 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) |
4145 | .withConst(); |
4146 | QualType KmpUInt64Ty = |
4147 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) |
4148 | .withConst(); |
4149 | QualType KmpInt64Ty = |
4150 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) |
4151 | .withConst(); |
4152 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4153 | QualType KmpInt32PtrTy = |
4154 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4155 | Sema::CapturedParamNameType ParamsParallel[] = { |
4156 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4157 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4158 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4159 | }; |
4160 | // Start a captured region for 'parallel'. |
4161 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4162 | ParamsParallel, /*OpenMPCaptureLevel=*/0); |
4163 | QualType Args[] = {VoidPtrTy}; |
4164 | FunctionProtoType::ExtProtoInfo EPI; |
4165 | EPI.Variadic = true; |
4166 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4167 | Sema::CapturedParamNameType Params[] = { |
4168 | std::make_pair(".global_tid.", KmpInt32Ty), |
4169 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4170 | std::make_pair(".privates.", VoidPtrTy), |
4171 | std::make_pair( |
4172 | ".copy_fn.", |
4173 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4174 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4175 | std::make_pair(".lb.", KmpUInt64Ty), |
4176 | std::make_pair(".ub.", KmpUInt64Ty), |
4177 | std::make_pair(".st.", KmpInt64Ty), |
4178 | std::make_pair(".liter.", KmpInt32Ty), |
4179 | std::make_pair(".reductions.", VoidPtrTy), |
4180 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4181 | }; |
4182 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4183 | Params, /*OpenMPCaptureLevel=*/1); |
4184 | // Mark this captured region as inlined, because we don't use outlined |
4185 | // function directly. |
4186 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4187 | AlwaysInlineAttr::CreateImplicit( |
4188 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4189 | AlwaysInlineAttr::Keyword_forceinline)); |
4190 | break; |
4191 | } |
4192 | case OMPD_distribute_parallel_for_simd: |
4193 | case OMPD_distribute_parallel_for: { |
4194 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4195 | QualType KmpInt32PtrTy = |
4196 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4197 | Sema::CapturedParamNameType Params[] = { |
4198 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4199 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4200 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4201 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4202 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4203 | }; |
4204 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4205 | Params); |
4206 | break; |
4207 | } |
4208 | case OMPD_target_teams_distribute_parallel_for: |
4209 | case OMPD_target_teams_distribute_parallel_for_simd: { |
4210 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4211 | QualType KmpInt32PtrTy = |
4212 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4213 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4214 | |
4215 | QualType Args[] = {VoidPtrTy}; |
4216 | FunctionProtoType::ExtProtoInfo EPI; |
4217 | EPI.Variadic = true; |
4218 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4219 | Sema::CapturedParamNameType Params[] = { |
4220 | std::make_pair(".global_tid.", KmpInt32Ty), |
4221 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4222 | std::make_pair(".privates.", VoidPtrTy), |
4223 | std::make_pair( |
4224 | ".copy_fn.", |
4225 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4226 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4227 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4228 | }; |
4229 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4230 | Params, /*OpenMPCaptureLevel=*/0); |
4231 | // Mark this captured region as inlined, because we don't use outlined |
4232 | // function directly. |
4233 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4234 | AlwaysInlineAttr::CreateImplicit( |
4235 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4236 | AlwaysInlineAttr::Keyword_forceinline)); |
4237 | Sema::CapturedParamNameType ParamsTarget[] = { |
4238 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4239 | }; |
4240 | // Start a captured region for 'target' with no implicit parameters. |
4241 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4242 | ParamsTarget, /*OpenMPCaptureLevel=*/1); |
4243 | |
4244 | Sema::CapturedParamNameType ParamsTeams[] = { |
4245 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4246 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4247 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4248 | }; |
4249 | // Start a captured region for 'target' with no implicit parameters. |
4250 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4251 | ParamsTeams, /*OpenMPCaptureLevel=*/2); |
4252 | |
4253 | Sema::CapturedParamNameType ParamsParallel[] = { |
4254 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4255 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4256 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4257 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4258 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4259 | }; |
4260 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4261 | // the same implicit parameters. |
4262 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4263 | ParamsParallel, /*OpenMPCaptureLevel=*/3); |
4264 | break; |
4265 | } |
4266 | |
4267 | case OMPD_teams_loop: { |
4268 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4269 | QualType KmpInt32PtrTy = |
4270 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4271 | |
4272 | Sema::CapturedParamNameType ParamsTeams[] = { |
4273 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4274 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4275 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4276 | }; |
4277 | // Start a captured region for 'teams'. |
4278 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4279 | ParamsTeams, /*OpenMPCaptureLevel=*/0); |
4280 | break; |
4281 | } |
4282 | |
4283 | case OMPD_teams_distribute_parallel_for: |
4284 | case OMPD_teams_distribute_parallel_for_simd: { |
4285 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4286 | QualType KmpInt32PtrTy = |
4287 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4288 | |
4289 | Sema::CapturedParamNameType ParamsTeams[] = { |
4290 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4291 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4292 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4293 | }; |
4294 | // Start a captured region for 'target' with no implicit parameters. |
4295 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4296 | ParamsTeams, /*OpenMPCaptureLevel=*/0); |
4297 | |
4298 | Sema::CapturedParamNameType ParamsParallel[] = { |
4299 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4300 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4301 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4302 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4303 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4304 | }; |
4305 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4306 | // the same implicit parameters. |
4307 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4308 | ParamsParallel, /*OpenMPCaptureLevel=*/1); |
4309 | break; |
4310 | } |
4311 | case OMPD_target_update: |
4312 | case OMPD_target_enter_data: |
4313 | case OMPD_target_exit_data: { |
4314 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4315 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4316 | QualType KmpInt32PtrTy = |
4317 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4318 | QualType Args[] = {VoidPtrTy}; |
4319 | FunctionProtoType::ExtProtoInfo EPI; |
4320 | EPI.Variadic = true; |
4321 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4322 | Sema::CapturedParamNameType Params[] = { |
4323 | std::make_pair(".global_tid.", KmpInt32Ty), |
4324 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4325 | std::make_pair(".privates.", VoidPtrTy), |
4326 | std::make_pair( |
4327 | ".copy_fn.", |
4328 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4329 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4330 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4331 | }; |
4332 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4333 | Params); |
4334 | // Mark this captured region as inlined, because we don't use outlined |
4335 | // function directly. |
4336 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4337 | AlwaysInlineAttr::CreateImplicit( |
4338 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4339 | AlwaysInlineAttr::Keyword_forceinline)); |
4340 | break; |
4341 | } |
4342 | case OMPD_threadprivate: |
4343 | case OMPD_allocate: |
4344 | case OMPD_taskyield: |
4345 | case OMPD_barrier: |
4346 | case OMPD_taskwait: |
4347 | case OMPD_cancellation_point: |
4348 | case OMPD_cancel: |
4349 | case OMPD_flush: |
4350 | case OMPD_depobj: |
4351 | case OMPD_scan: |
4352 | case OMPD_declare_reduction: |
4353 | case OMPD_declare_mapper: |
4354 | case OMPD_declare_simd: |
4355 | case OMPD_declare_target: |
4356 | case OMPD_end_declare_target: |
4357 | case OMPD_requires: |
4358 | case OMPD_declare_variant: |
4359 | case OMPD_begin_declare_variant: |
4360 | case OMPD_end_declare_variant: |
4361 | case OMPD_metadirective: |
4362 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "clang/lib/Sema/SemaOpenMP.cpp", 4362); |
4363 | case OMPD_unknown: |
4364 | default: |
4365 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 4365); |
4366 | } |
4367 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setContext(CurContext); |
4368 | handleDeclareVariantConstructTrait(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), DKind, /* ScopeEntry */ true); |
4369 | } |
4370 | |
4371 | int Sema::getNumberOfConstructScopes(unsigned Level) const { |
4372 | return getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
4373 | } |
4374 | |
4375 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { |
4376 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
4377 | getOpenMPCaptureRegions(CaptureRegions, DKind); |
4378 | return CaptureRegions.size(); |
4379 | } |
4380 | |
4381 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, |
4382 | Expr *CaptureExpr, bool WithInit, |
4383 | bool AsExpression) { |
4384 | assert(CaptureExpr)(static_cast <bool> (CaptureExpr) ? void (0) : __assert_fail ("CaptureExpr", "clang/lib/Sema/SemaOpenMP.cpp", 4384, __extension__ __PRETTY_FUNCTION__)); |
4385 | ASTContext &C = S.getASTContext(); |
4386 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); |
4387 | QualType Ty = Init->getType(); |
4388 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { |
4389 | if (S.getLangOpts().CPlusPlus) { |
4390 | Ty = C.getLValueReferenceType(Ty); |
4391 | } else { |
4392 | Ty = C.getPointerType(Ty); |
4393 | ExprResult Res = |
4394 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); |
4395 | if (!Res.isUsable()) |
4396 | return nullptr; |
4397 | Init = Res.get(); |
4398 | } |
4399 | WithInit = true; |
4400 | } |
4401 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, |
4402 | CaptureExpr->getBeginLoc()); |
4403 | if (!WithInit) |
4404 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); |
4405 | S.CurContext->addHiddenDecl(CED); |
4406 | Sema::TentativeAnalysisScope Trap(S); |
4407 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); |
4408 | return CED; |
4409 | } |
4410 | |
4411 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, |
4412 | bool WithInit) { |
4413 | OMPCapturedExprDecl *CD; |
4414 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) |
4415 | CD = cast<OMPCapturedExprDecl>(VD); |
4416 | else |
4417 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, |
4418 | /*AsExpression=*/false); |
4419 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), |
4420 | CaptureExpr->getExprLoc()); |
4421 | } |
4422 | |
4423 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { |
4424 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); |
4425 | if (!Ref) { |
4426 | OMPCapturedExprDecl *CD = buildCaptureDecl( |
4427 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, |
4428 | /*WithInit=*/true, /*AsExpression=*/true); |
4429 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), |
4430 | CaptureExpr->getExprLoc()); |
4431 | } |
4432 | ExprResult Res = Ref; |
4433 | if (!S.getLangOpts().CPlusPlus && |
4434 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && |
4435 | Ref->getType()->isPointerType()) { |
4436 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); |
4437 | if (!Res.isUsable()) |
4438 | return ExprError(); |
4439 | } |
4440 | return S.DefaultLvalueConversion(Res.get()); |
4441 | } |
4442 | |
4443 | namespace { |
4444 | // OpenMP directives parsed in this section are represented as a |
4445 | // CapturedStatement with an associated statement. If a syntax error |
4446 | // is detected during the parsing of the associated statement, the |
4447 | // compiler must abort processing and close the CapturedStatement. |
4448 | // |
4449 | // Combined directives such as 'target parallel' have more than one |
4450 | // nested CapturedStatements. This RAII ensures that we unwind out |
4451 | // of all the nested CapturedStatements when an error is found. |
4452 | class CaptureRegionUnwinderRAII { |
4453 | private: |
4454 | Sema &S; |
4455 | bool &ErrorFound; |
4456 | OpenMPDirectiveKind DKind = OMPD_unknown; |
4457 | |
4458 | public: |
4459 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, |
4460 | OpenMPDirectiveKind DKind) |
4461 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} |
4462 | ~CaptureRegionUnwinderRAII() { |
4463 | if (ErrorFound) { |
4464 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); |
4465 | while (--ThisCaptureLevel >= 0) |
4466 | S.ActOnCapturedRegionError(); |
4467 | } |
4468 | } |
4469 | }; |
4470 | } // namespace |
4471 | |
4472 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { |
4473 | // Capture variables captured by reference in lambdas for target-based |
4474 | // directives. |
4475 | if (!CurContext->isDependentContext() && |
4476 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || |
4477 | isOpenMPTargetDataManagementDirective( |
4478 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { |
4479 | QualType Type = V->getType(); |
4480 | if (const auto *RD = Type.getCanonicalType() |
4481 | .getNonReferenceType() |
4482 | ->getAsCXXRecordDecl()) { |
4483 | bool SavedForceCaptureByReferenceInTargetExecutable = |
4484 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); |
4485 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( |
4486 | /*V=*/true); |
4487 | if (RD->isLambda()) { |
4488 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; |
4489 | FieldDecl *ThisCapture; |
4490 | RD->getCaptureFields(Captures, ThisCapture); |
4491 | for (const LambdaCapture &LC : RD->captures()) { |
4492 | if (LC.getCaptureKind() == LCK_ByRef) { |
4493 | VarDecl *VD = LC.getCapturedVar(); |
4494 | DeclContext *VDC = VD->getDeclContext(); |
4495 | if (!VDC->Encloses(CurContext)) |
4496 | continue; |
4497 | MarkVariableReferenced(LC.getLocation(), VD); |
4498 | } else if (LC.getCaptureKind() == LCK_This) { |
4499 | QualType ThisTy = getCurrentThisType(); |
4500 | if (!ThisTy.isNull() && |
4501 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) |
4502 | CheckCXXThisCapture(LC.getLocation()); |
4503 | } |
4504 | } |
4505 | } |
4506 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( |
4507 | SavedForceCaptureByReferenceInTargetExecutable); |
4508 | } |
4509 | } |
4510 | } |
4511 | |
4512 | static bool checkOrderedOrderSpecified(Sema &S, |
4513 | const ArrayRef<OMPClause *> Clauses) { |
4514 | const OMPOrderedClause *Ordered = nullptr; |
4515 | const OMPOrderClause *Order = nullptr; |
4516 | |
4517 | for (const OMPClause *Clause : Clauses) { |
4518 | if (Clause->getClauseKind() == OMPC_ordered) |
4519 | Ordered = cast<OMPOrderedClause>(Clause); |
4520 | else if (Clause->getClauseKind() == OMPC_order) { |
4521 | Order = cast<OMPOrderClause>(Clause); |
4522 | if (Order->getKind() != OMPC_ORDER_concurrent) |
4523 | Order = nullptr; |
4524 | } |
4525 | if (Ordered && Order) |
4526 | break; |
4527 | } |
4528 | |
4529 | if (Ordered && Order) { |
4530 | S.Diag(Order->getKindKwLoc(), |
4531 | diag::err_omp_simple_clause_incompatible_with_ordered) |
4532 | << getOpenMPClauseName(OMPC_order) |
4533 | << getOpenMPSimpleClauseTypeName(OMPC_order, OMPC_ORDER_concurrent) |
4534 | << SourceRange(Order->getBeginLoc(), Order->getEndLoc()); |
4535 | S.Diag(Ordered->getBeginLoc(), diag::note_omp_ordered_param) |
4536 | << 0 << SourceRange(Ordered->getBeginLoc(), Ordered->getEndLoc()); |
4537 | return true; |
4538 | } |
4539 | return false; |
4540 | } |
4541 | |
4542 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, |
4543 | ArrayRef<OMPClause *> Clauses) { |
4544 | handleDeclareVariantConstructTrait(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), |
4545 | /* ScopeEntry */ false); |
4546 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_atomic || |
4547 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_critical || |
4548 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_section || |
4549 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_master || |
4550 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_masked) |
4551 | return S; |
4552 | |
4553 | bool ErrorFound = false; |
4554 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( |
4555 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4556 | if (!S.isUsable()) { |
4557 | ErrorFound = true; |
Value stored to 'ErrorFound' is never read | |
4558 | return StmtError(); |
4559 | } |
4560 | |
4561 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
4562 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4563 | OMPOrderedClause *OC = nullptr; |
4564 | OMPScheduleClause *SC = nullptr; |
4565 | SmallVector<const OMPLinearClause *, 4> LCs; |
4566 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; |
4567 | // This is required for proper codegen. |
4568 | for (OMPClause *Clause : Clauses) { |
4569 | if (!LangOpts.OpenMPSimd && |
4570 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
4571 | Clause->getClauseKind() == OMPC_in_reduction) { |
4572 | // Capture taskgroup task_reduction descriptors inside the tasking regions |
4573 | // with the corresponding in_reduction items. |
4574 | auto *IRC = cast<OMPInReductionClause>(Clause); |
4575 | for (Expr *E : IRC->taskgroup_descriptors()) |
4576 | if (E) |
4577 | MarkDeclarationsReferencedInExpr(E); |
4578 | } |
4579 | if (isOpenMPPrivate(Clause->getClauseKind()) || |
4580 | Clause->getClauseKind() == OMPC_copyprivate || |
4581 | (getLangOpts().OpenMPUseTLS && |
4582 | getASTContext().getTargetInfo().isTLSSupported() && |
4583 | Clause->getClauseKind() == OMPC_copyin)) { |
4584 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); |
4585 | // Mark all variables in private list clauses as used in inner region. |
4586 | for (Stmt *VarRef : Clause->children()) { |
4587 | if (auto *E = cast_or_null<Expr>(VarRef)) { |
4588 | MarkDeclarationsReferencedInExpr(E); |
4589 | } |
4590 | } |
4591 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); |
4592 | } else if (isOpenMPLoopTransformationDirective( |
4593 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
4594 | assert(CaptureRegions.empty() &&(static_cast <bool> (CaptureRegions.empty() && "No captured regions in loop transformation directives." ) ? void (0) : __assert_fail ("CaptureRegions.empty() && \"No captured regions in loop transformation directives.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 4595, __extension__ __PRETTY_FUNCTION__ )) |
4595 | "No captured regions in loop transformation directives.")(static_cast <bool> (CaptureRegions.empty() && "No captured regions in loop transformation directives." ) ? void (0) : __assert_fail ("CaptureRegions.empty() && \"No captured regions in loop transformation directives.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 4595, __extension__ __PRETTY_FUNCTION__ )); |
4596 | } else if (CaptureRegions.size() > 1 || |
4597 | CaptureRegions.back() != OMPD_unknown) { |
4598 | if (auto *C = OMPClauseWithPreInit::get(Clause)) |
4599 | PICs.push_back(C); |
4600 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { |
4601 | if (Expr *E = C->getPostUpdateExpr()) |
4602 | MarkDeclarationsReferencedInExpr(E); |
4603 | } |
4604 | } |
4605 | if (Clause->getClauseKind() == OMPC_schedule) |
4606 | SC = cast<OMPScheduleClause>(Clause); |
4607 | else if (Clause->getClauseKind() == OMPC_ordered) |
4608 | OC = cast<OMPOrderedClause>(Clause); |
4609 | else if (Clause->getClauseKind() == OMPC_linear) |
4610 | LCs.push_back(cast<OMPLinearClause>(Clause)); |
4611 | } |
4612 | // Capture allocator expressions if used. |
4613 | for (Expr *E : DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerAllocators()) |
4614 | MarkDeclarationsReferencedInExpr(E); |
4615 | // OpenMP, 2.7.1 Loop Construct, Restrictions |
4616 | // The nonmonotonic modifier cannot be specified if an ordered clause is |
4617 | // specified. |
4618 | if (SC && |
4619 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || |
4620 | SC->getSecondScheduleModifier() == |
4621 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && |
4622 | OC) { |
4623 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic |
4624 | ? SC->getFirstScheduleModifierLoc() |
4625 | : SC->getSecondScheduleModifierLoc(), |
4626 | diag::err_omp_simple_clause_incompatible_with_ordered) |
4627 | << getOpenMPClauseName(OMPC_schedule) |
4628 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, |
4629 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) |
4630 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); |
4631 | ErrorFound = true; |
4632 | } |
4633 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Restrictions. |
4634 | // If an order(concurrent) clause is present, an ordered clause may not appear |
4635 | // on the same directive. |
4636 | if (checkOrderedOrderSpecified(*this, Clauses)) |
4637 | ErrorFound = true; |
4638 | if (!LCs.empty() && OC && OC->getNumForLoops()) { |
4639 | for (const OMPLinearClause *C : LCs) { |
4640 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) |
4641 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); |
4642 | } |
4643 | ErrorFound = true; |
4644 | } |
4645 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
4646 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && |
4647 | OC->getNumForLoops()) { |
4648 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) |
4649 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4650 | ErrorFound = true; |
4651 | } |
4652 | if (ErrorFound) { |
4653 | return StmtError(); |
4654 | } |
4655 | StmtResult SR = S; |
4656 | unsigned CompletedRegions = 0; |
4657 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { |
4658 | // Mark all variables in private list clauses as used in inner region. |
4659 | // Required for proper codegen of combined directives. |
4660 | // TODO: add processing for other clauses. |
4661 | if (ThisCaptureRegion != OMPD_unknown) { |
4662 | for (const clang::OMPClauseWithPreInit *C : PICs) { |
4663 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); |
4664 | // Find the particular capture region for the clause if the |
4665 | // directive is a combined one with multiple capture regions. |
4666 | // If the directive is not a combined one, the capture region |
4667 | // associated with the clause is OMPD_unknown and is generated |
4668 | // only once. |
4669 | if (CaptureRegion == ThisCaptureRegion || |
4670 | CaptureRegion == OMPD_unknown) { |
4671 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { |
4672 | for (Decl *D : DS->decls()) |
4673 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); |
4674 | } |
4675 | } |
4676 | } |
4677 | } |
4678 | if (ThisCaptureRegion == OMPD_target) { |
4679 | // Capture allocator traits in the target region. They are used implicitly |
4680 | // and, thus, are not captured by default. |
4681 | for (OMPClause *C : Clauses) { |
4682 | if (const auto *UAC = dyn_cast<OMPUsesAllocatorsClause>(C)) { |
4683 | for (unsigned I = 0, End = UAC->getNumberOfAllocators(); I < End; |
4684 | ++I) { |
4685 | OMPUsesAllocatorsClause::Data D = UAC->getAllocatorData(I); |
4686 | if (Expr *E = D.AllocatorTraits) |
4687 | MarkDeclarationsReferencedInExpr(E); |
4688 | } |
4689 | continue; |
4690 | } |
4691 | } |
4692 | } |
4693 | if (ThisCaptureRegion == OMPD_parallel) { |
4694 | // Capture temp arrays for inscan reductions and locals in aligned |
4695 | // clauses. |
4696 | for (OMPClause *C : Clauses) { |
4697 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) { |
4698 | if (RC->getModifier() != OMPC_REDUCTION_inscan) |
4699 | continue; |
4700 | for (Expr *E : RC->copy_array_temps()) |
4701 | MarkDeclarationsReferencedInExpr(E); |
4702 | } |
4703 | if (auto *AC = dyn_cast<OMPAlignedClause>(C)) { |
4704 | for (Expr *E : AC->varlists()) |
4705 | MarkDeclarationsReferencedInExpr(E); |
4706 | } |
4707 | } |
4708 | } |
4709 | if (++CompletedRegions == CaptureRegions.size()) |
4710 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); |
4711 | SR = ActOnCapturedRegionEnd(SR.get()); |
4712 | } |
4713 | return SR; |
4714 | } |
4715 | |
4716 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, |
4717 | OpenMPDirectiveKind CancelRegion, |
4718 | SourceLocation StartLoc) { |
4719 | // CancelRegion is only needed for cancel and cancellation_point. |
4720 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) |
4721 | return false; |
4722 | |
4723 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || |
4724 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) |
4725 | return false; |
4726 | |
4727 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) |
4728 | << getOpenMPDirectiveName(CancelRegion); |
4729 | return true; |
4730 | } |
4731 | |
4732 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, |
4733 | OpenMPDirectiveKind CurrentRegion, |
4734 | const DeclarationNameInfo &CurrentName, |
4735 | OpenMPDirectiveKind CancelRegion, |
4736 | OpenMPBindClauseKind BindKind, |
4737 | SourceLocation StartLoc) { |
4738 | if (Stack->getCurScope()) { |
4739 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); |
4740 | OpenMPDirectiveKind OffendingRegion = ParentRegion; |
4741 | bool NestingProhibited = false; |
4742 | bool CloseNesting = true; |
4743 | bool OrphanSeen = false; |
4744 | enum { |
4745 | NoRecommend, |
4746 | ShouldBeInParallelRegion, |
4747 | ShouldBeInOrderedRegion, |
4748 | ShouldBeInTargetRegion, |
4749 | ShouldBeInTeamsRegion, |
4750 | ShouldBeInLoopSimdRegion, |
4751 | } Recommend = NoRecommend; |
4752 | if (isOpenMPSimdDirective(ParentRegion) && |
4753 | ((SemaRef.LangOpts.OpenMP <= 45 && CurrentRegion != OMPD_ordered) || |
4754 | (SemaRef.LangOpts.OpenMP >= 50 && CurrentRegion != OMPD_ordered && |
4755 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_atomic && |
4756 | CurrentRegion != OMPD_scan))) { |
4757 | // OpenMP [2.16, Nesting of Regions] |
4758 | // OpenMP constructs may not be nested inside a simd region. |
4759 | // OpenMP [2.8.1,simd Construct, Restrictions] |
4760 | // An ordered construct with the simd clause is the only OpenMP |
4761 | // construct that can appear in the simd region. |
4762 | // Allowing a SIMD construct nested in another SIMD construct is an |
4763 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning |
4764 | // message. |
4765 | // OpenMP 5.0 [2.9.3.1, simd Construct, Restrictions] |
4766 | // The only OpenMP constructs that can be encountered during execution of |
4767 | // a simd region are the atomic construct, the loop construct, the simd |
4768 | // construct and the ordered construct with the simd clause. |
4769 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) |
4770 | ? diag::err_omp_prohibited_region_simd |
4771 | : diag::warn_omp_nesting_simd) |
4772 | << (SemaRef.LangOpts.OpenMP >= 50 ? 1 : 0); |
4773 | return CurrentRegion != OMPD_simd; |
4774 | } |
4775 | if (ParentRegion == OMPD_atomic) { |
4776 | // OpenMP [2.16, Nesting of Regions] |
4777 | // OpenMP constructs may not be nested inside an atomic region. |
4778 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); |
4779 | return true; |
4780 | } |
4781 | if (CurrentRegion == OMPD_section) { |
4782 | // OpenMP [2.7.2, sections Construct, Restrictions] |
4783 | // Orphaned section directives are prohibited. That is, the section |
4784 | // directives must appear within the sections construct and must not be |
4785 | // encountered elsewhere in the sections region. |
4786 | if (ParentRegion != OMPD_sections && |
4787 | ParentRegion != OMPD_parallel_sections) { |
4788 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) |
4789 | << (ParentRegion != OMPD_unknown) |
4790 | << getOpenMPDirectiveName(ParentRegion); |
4791 | return true; |
4792 | } |
4793 | return false; |
4794 | } |
4795 | // Allow some constructs (except teams and cancellation constructs) to be |
4796 | // orphaned (they could be used in functions, called from OpenMP regions |
4797 | // with the required preconditions). |
4798 | if (ParentRegion == OMPD_unknown && |
4799 | !isOpenMPNestingTeamsDirective(CurrentRegion) && |
4800 | CurrentRegion != OMPD_cancellation_point && |
4801 | CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_scan) |
4802 | return false; |
4803 | if (CurrentRegion == OMPD_cancellation_point || |
4804 | CurrentRegion == OMPD_cancel) { |
4805 | // OpenMP [2.16, Nesting of Regions] |
4806 | // A cancellation point construct for which construct-type-clause is |
4807 | // taskgroup must be nested inside a task construct. A cancellation |
4808 | // point construct for which construct-type-clause is not taskgroup must |
4809 | // be closely nested inside an OpenMP construct that matches the type |
4810 | // specified in construct-type-clause. |
4811 | // A cancel construct for which construct-type-clause is taskgroup must be |
4812 | // nested inside a task construct. A cancel construct for which |
4813 | // construct-type-clause is not taskgroup must be closely nested inside an |
4814 | // OpenMP construct that matches the type specified in |
4815 | // construct-type-clause. |
4816 | NestingProhibited = |
4817 | !((CancelRegion == OMPD_parallel && |
4818 | (ParentRegion == OMPD_parallel || |
4819 | ParentRegion == OMPD_target_parallel)) || |
4820 | (CancelRegion == OMPD_for && |
4821 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || |
4822 | ParentRegion == OMPD_target_parallel_for || |
4823 | ParentRegion == OMPD_distribute_parallel_for || |
4824 | ParentRegion == OMPD_teams_distribute_parallel_for || |
4825 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || |
4826 | (CancelRegion == OMPD_taskgroup && |
4827 | (ParentRegion == OMPD_task || |
4828 | (SemaRef.getLangOpts().OpenMP >= 50 && |
4829 | (ParentRegion == OMPD_taskloop || |
4830 | ParentRegion == OMPD_master_taskloop || |
4831 | ParentRegion == OMPD_parallel_master_taskloop)))) || |
4832 | (CancelRegion == OMPD_sections && |
4833 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || |
4834 | ParentRegion == OMPD_parallel_sections))); |
4835 | OrphanSeen = ParentRegion == OMPD_unknown; |
4836 | } else if (CurrentRegion == OMPD_master || CurrentRegion == OMPD_masked) { |
4837 | // OpenMP 5.1 [2.22, Nesting of Regions] |
4838 | // A masked region may not be closely nested inside a worksharing, loop, |
4839 | // atomic, task, or taskloop region. |
4840 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || |
4841 | isOpenMPGenericLoopDirective(ParentRegion) || |
4842 | isOpenMPTaskingDirective(ParentRegion); |
4843 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { |
4844 | // OpenMP [2.16, Nesting of Regions] |
4845 | // A critical region may not be nested (closely or otherwise) inside a |
4846 | // critical region with the same name. Note that this restriction is not |
4847 | // sufficient to prevent deadlock. |
4848 | SourceLocation PreviousCriticalLoc; |
4849 | bool DeadLock = Stack->hasDirective( |
4850 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, |
4851 | const DeclarationNameInfo &DNI, |
4852 | SourceLocation Loc) { |
4853 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { |
4854 | PreviousCriticalLoc = Loc; |
4855 | return true; |
4856 | } |
4857 | return false; |
4858 | }, |
4859 | false /* skip top directive */); |
4860 | if (DeadLock) { |
4861 | SemaRef.Diag(StartLoc, |
4862 | diag::err_omp_prohibited_region_critical_same_name) |
4863 | << CurrentName.getName(); |
4864 | if (PreviousCriticalLoc.isValid()) |
4865 | SemaRef.Diag(PreviousCriticalLoc, |
4866 | diag::note_omp_previous_critical_region); |
4867 | return true; |
4868 | } |
4869 | } else if (CurrentRegion == OMPD_barrier) { |
4870 | // OpenMP 5.1 [2.22, Nesting of Regions] |
4871 | // A barrier region may not be closely nested inside a worksharing, loop, |
4872 | // task, taskloop, critical, ordered, atomic, or masked region. |
4873 | NestingProhibited = |
4874 | isOpenMPWorksharingDirective(ParentRegion) || |
4875 | isOpenMPGenericLoopDirective(ParentRegion) || |
4876 | isOpenMPTaskingDirective(ParentRegion) || |
4877 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || |
4878 | ParentRegion == OMPD_parallel_master || |
4879 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; |
4880 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && |
4881 | !isOpenMPParallelDirective(CurrentRegion) && |
4882 | !isOpenMPTeamsDirective(CurrentRegion)) { |
4883 | // OpenMP 5.1 [2.22, Nesting of Regions] |
4884 | // A loop region that binds to a parallel region or a worksharing region |
4885 | // may not be closely nested inside a worksharing, loop, task, taskloop, |
4886 | // critical, ordered, atomic, or masked region. |
4887 | NestingProhibited = |
4888 | isOpenMPWorksharingDirective(ParentRegion) || |
4889 | isOpenMPGenericLoopDirective(ParentRegion) || |
4890 | isOpenMPTaskingDirective(ParentRegion) || |
4891 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || |
4892 | ParentRegion == OMPD_parallel_master || |
4893 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; |
4894 | Recommend = ShouldBeInParallelRegion; |
4895 | } else if (CurrentRegion == OMPD_ordered) { |
4896 | // OpenMP [2.16, Nesting of Regions] |
4897 | // An ordered region may not be closely nested inside a critical, |
4898 | // atomic, or explicit task region. |
4899 | // An ordered region must be closely nested inside a loop region (or |
4900 | // parallel loop region) with an ordered clause. |
4901 | // OpenMP [2.8.1,simd Construct, Restrictions] |
4902 | // An ordered construct with the simd clause is the only OpenMP construct |
4903 | // that can appear in the simd region. |
4904 | NestingProhibited = ParentRegion == OMPD_critical || |
4905 | isOpenMPTaskingDirective(ParentRegion) || |
4906 | !(isOpenMPSimdDirective(ParentRegion) || |
4907 | Stack->isParentOrderedRegion()); |
4908 | Recommend = ShouldBeInOrderedRegion; |
4909 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { |
4910 | // OpenMP [2.16, Nesting of Regions] |
4911 | // If specified, a teams construct must be contained within a target |
4912 | // construct. |
4913 | NestingProhibited = |
4914 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || |
4915 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && |
4916 | ParentRegion != OMPD_target); |
4917 | OrphanSeen = ParentRegion == OMPD_unknown; |
4918 | Recommend = ShouldBeInTargetRegion; |
4919 | } else if (CurrentRegion == OMPD_scan) { |
4920 | // OpenMP [2.16, Nesting of Regions] |
4921 | // If specified, a teams construct must be contained within a target |
4922 | // construct. |
4923 | NestingProhibited = |
4924 | SemaRef.LangOpts.OpenMP < 50 || |
4925 | (ParentRegion != OMPD_simd && ParentRegion != OMPD_for && |
4926 | ParentRegion != OMPD_for_simd && ParentRegion != OMPD_parallel_for && |
4927 | ParentRegion != OMPD_parallel_for_simd); |
4928 | OrphanSeen = ParentRegion == OMPD_unknown; |
4929 | Recommend = ShouldBeInLoopSimdRegion; |
4930 | } |
4931 | if (!NestingProhibited && |
4932 | !isOpenMPTargetExecutionDirective(CurrentRegion) && |
4933 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && |
4934 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { |
4935 | // OpenMP [5.1, 2.22, Nesting of Regions] |
4936 | // distribute, distribute simd, distribute parallel worksharing-loop, |
4937 | // distribute parallel worksharing-loop SIMD, loop, parallel regions, |
4938 | // including any parallel regions arising from combined constructs, |
4939 | // omp_get_num_teams() regions, and omp_get_team_num() regions are the |
4940 | // only OpenMP regions that may be strictly nested inside the teams |
4941 | // region. |
4942 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && |
4943 | !isOpenMPDistributeDirective(CurrentRegion) && |
4944 | CurrentRegion != OMPD_loop; |
4945 | Recommend = ShouldBeInParallelRegion; |
4946 | } |
4947 | if (!NestingProhibited && CurrentRegion == OMPD_loop) { |
4948 | // OpenMP [5.1, 2.11.7, loop Construct, Restrictions] |
4949 | // If the bind clause is present on the loop construct and binding is |
4950 | // teams then the corresponding loop region must be strictly nested inside |
4951 | // a teams region. |
4952 | NestingProhibited = BindKind == OMPC_BIND_teams && |
4953 | ParentRegion != OMPD_teams && |
4954 | ParentRegion != OMPD_target_teams; |
4955 | Recommend = ShouldBeInTeamsRegion; |
4956 | } |
4957 | if (!NestingProhibited && |
4958 | isOpenMPNestingDistributeDirective(CurrentRegion)) { |
4959 | // OpenMP 4.5 [2.17 Nesting of Regions] |
4960 | // The region associated with the distribute construct must be strictly |
4961 | // nested inside a teams region |
4962 | NestingProhibited = |
4963 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); |
4964 | Recommend = ShouldBeInTeamsRegion; |
4965 | } |
4966 | if (!NestingProhibited && |
4967 | (isOpenMPTargetExecutionDirective(CurrentRegion) || |
4968 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { |
4969 | // OpenMP 4.5 [2.17 Nesting of Regions] |
4970 | // If a target, target update, target data, target enter data, or |
4971 | // target exit data construct is encountered during execution of a |
4972 | // target region, the behavior is unspecified. |
4973 | NestingProhibited = Stack->hasDirective( |
4974 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, |
4975 | SourceLocation) { |
4976 | if (isOpenMPTargetExecutionDirective(K)) { |
4977 | OffendingRegion = K; |
4978 | return true; |
4979 | } |
4980 | return false; |
4981 | }, |
4982 | false /* don't skip top directive */); |
4983 | CloseNesting = false; |
4984 | } |
4985 | if (NestingProhibited) { |
4986 | if (OrphanSeen) { |
4987 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) |
4988 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; |
4989 | } else { |
4990 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) |
4991 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) |
4992 | << Recommend << getOpenMPDirectiveName(CurrentRegion); |
4993 | } |
4994 | return true; |
4995 | } |
4996 | } |
4997 | return false; |
4998 | } |
4999 | |
5000 | struct Kind2Unsigned { |
5001 | using argument_type = OpenMPDirectiveKind; |
5002 | unsigned operator()(argument_type DK) { return unsigned(DK); } |
5003 | }; |
5004 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, |
5005 | ArrayRef<OMPClause *> Clauses, |
5006 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { |
5007 | bool ErrorFound = false; |
5008 | unsigned NamedModifiersNumber = 0; |
5009 | llvm::IndexedMap<const OMPIfClause *, Kind2Unsigned> FoundNameModifiers; |
5010 | FoundNameModifiers.resize(llvm::omp::Directive_enumSize + 1); |
5011 | SmallVector<SourceLocation, 4> NameModifierLoc; |
5012 | for (const OMPClause *C : Clauses) { |
5013 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { |
5014 | // At most one if clause without a directive-name-modifier can appear on |
5015 | // the directive. |
5016 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); |
5017 | if (FoundNameModifiers[CurNM]) { |
5018 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) |
5019 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) |
5020 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); |
5021 | ErrorFound = true; |
5022 | } else if (CurNM != OMPD_unknown) { |
5023 | NameModifierLoc.push_back(IC->getNameModifierLoc()); |
5024 | ++NamedModifiersNumber; |
5025 | } |
5026 | FoundNameModifiers[CurNM] = IC; |
5027 | if (CurNM == OMPD_unknown) |
5028 | continue; |
5029 | // Check if the specified name modifier is allowed for the current |
5030 | // directive. |
5031 | // At most one if clause with the particular directive-name-modifier can |
5032 | // appear on the directive. |
5033 | if (!llvm::is_contained(AllowedNameModifiers, CurNM)) { |
5034 | S.Diag(IC->getNameModifierLoc(), |
5035 | diag::err_omp_wrong_if_directive_name_modifier) |
5036 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); |
5037 | ErrorFound = true; |
5038 | } |
5039 | } |
5040 | } |
5041 | // If any if clause on the directive includes a directive-name-modifier then |
5042 | // all if clauses on the directive must include a directive-name-modifier. |
5043 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { |
5044 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { |
5045 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), |
5046 | diag::err_omp_no_more_if_clause); |
5047 | } else { |
5048 | std::string Values; |
5049 | std::string Sep(", "); |
5050 | unsigned AllowedCnt = 0; |
5051 | unsigned TotalAllowedNum = |
5052 | AllowedNameModifiers.size() - NamedModifiersNumber; |
5053 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; |
5054 | ++Cnt) { |
5055 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; |
5056 | if (!FoundNameModifiers[NM]) { |
5057 | Values += "'"; |
5058 | Values += getOpenMPDirectiveName(NM); |
5059 | Values += "'"; |
5060 | if (AllowedCnt + 2 == TotalAllowedNum) |
5061 | Values += " or "; |
5062 | else if (AllowedCnt + 1 != TotalAllowedNum) |
5063 | Values += Sep; |
5064 | ++AllowedCnt; |
5065 | } |
5066 | } |
5067 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), |
5068 | diag::err_omp_unnamed_if_clause) |
5069 | << (TotalAllowedNum > 1) << Values; |
5070 | } |
5071 | for (SourceLocation Loc : NameModifierLoc) { |
5072 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); |
5073 | } |
5074 | ErrorFound = true; |
5075 | } |
5076 | return ErrorFound; |
5077 | } |
5078 | |
5079 | static std::pair<ValueDecl *, bool> getPrivateItem(Sema &S, Expr *&RefExpr, |
5080 | SourceLocation &ELoc, |
5081 | SourceRange &ERange, |
5082 | bool AllowArraySection) { |
5083 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || |
5084 | RefExpr->containsUnexpandedParameterPack()) |
5085 | return std::make_pair(nullptr, true); |
5086 | |
5087 | // OpenMP [3.1, C/C++] |
5088 | // A list item is a variable name. |
5089 | // OpenMP [2.9.3.3, Restrictions, p.1] |
5090 | // A variable that is part of another variable (as an array or |
5091 | // structure element) cannot appear in a private clause. |
5092 | RefExpr = RefExpr->IgnoreParens(); |
5093 | enum { |
5094 | NoArrayExpr = -1, |
5095 | ArraySubscript = 0, |
5096 | OMPArraySection = 1 |
5097 | } IsArrayExpr = NoArrayExpr; |
5098 | if (AllowArraySection) { |
5099 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { |
5100 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); |
5101 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) |
5102 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
5103 | RefExpr = Base; |
5104 | IsArrayExpr = ArraySubscript; |
5105 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { |
5106 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); |
5107 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) |
5108 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); |
5109 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) |
5110 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
5111 | RefExpr = Base; |
5112 | IsArrayExpr = OMPArraySection; |
5113 | } |
5114 | } |
5115 | ELoc = RefExpr->getExprLoc(); |
5116 | ERange = RefExpr->getSourceRange(); |
5117 | RefExpr = RefExpr->IgnoreParenImpCasts(); |
5118 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); |
5119 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); |
5120 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && |
5121 | (S.getCurrentThisType().isNull() || !ME || |
5122 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || |
5123 | !isa<FieldDecl>(ME->getMemberDecl()))) { |
5124 | if (IsArrayExpr != NoArrayExpr) { |
5125 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) |
5126 | << IsArrayExpr << ERange; |
5127 | } else { |
5128 | S.Diag(ELoc, |
5129 | AllowArraySection |
5130 | ? diag::err_omp_expected_var_name_member_expr_or_array_item |
5131 | : diag::err_omp_expected_var_name_member_expr) |
5132 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; |
5133 | } |
5134 | return std::make_pair(nullptr, false); |
5135 | } |
5136 | return std::make_pair( |
5137 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); |
5138 | } |
5139 | |
5140 | namespace { |
5141 | /// Checks if the allocator is used in uses_allocators clause to be allowed in |
5142 | /// target regions. |
5143 | class AllocatorChecker final : public ConstStmtVisitor<AllocatorChecker, bool> { |
5144 | DSAStackTy *S = nullptr; |
5145 | |
5146 | public: |
5147 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
5148 | return S->isUsesAllocatorsDecl(E->getDecl()) |
5149 | .getValueOr( |
5150 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == |
5151 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait; |
5152 | } |
5153 | bool VisitStmt(const Stmt *S) { |
5154 | for (const Stmt *Child : S->children()) { |
5155 | if (Child && Visit(Child)) |
5156 | return true; |
5157 | } |
5158 | return false; |
5159 | } |
5160 | explicit AllocatorChecker(DSAStackTy *S) : S(S) {} |
5161 | }; |
5162 | } // namespace |
5163 | |
5164 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, |
5165 | ArrayRef<OMPClause *> Clauses) { |
5166 | assert(!S.CurContext->isDependentContext() &&(static_cast <bool> (!S.CurContext->isDependentContext () && "Expected non-dependent context.") ? void (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5167, __extension__ __PRETTY_FUNCTION__ )) |
5167 | "Expected non-dependent context.")(static_cast <bool> (!S.CurContext->isDependentContext () && "Expected non-dependent context.") ? void (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5167, __extension__ __PRETTY_FUNCTION__ )); |
5168 | auto AllocateRange = |
5169 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); |
5170 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> DeclToCopy; |
5171 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { |
5172 | return isOpenMPPrivate(C->getClauseKind()); |
5173 | }); |
5174 | for (OMPClause *Cl : PrivateRange) { |
5175 | MutableArrayRef<Expr *>::iterator I, It, Et; |
5176 | if (Cl->getClauseKind() == OMPC_private) { |
5177 | auto *PC = cast<OMPPrivateClause>(Cl); |
5178 | I = PC->private_copies().begin(); |
5179 | It = PC->varlist_begin(); |
5180 | Et = PC->varlist_end(); |
5181 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { |
5182 | auto *PC = cast<OMPFirstprivateClause>(Cl); |
5183 | I = PC->private_copies().begin(); |
5184 | It = PC->varlist_begin(); |
5185 | Et = PC->varlist_end(); |
5186 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { |
5187 | auto *PC = cast<OMPLastprivateClause>(Cl); |
5188 | I = PC->private_copies().begin(); |
5189 | It = PC->varlist_begin(); |
5190 | Et = PC->varlist_end(); |
5191 | } else if (Cl->getClauseKind() == OMPC_linear) { |
5192 | auto *PC = cast<OMPLinearClause>(Cl); |
5193 | I = PC->privates().begin(); |
5194 | It = PC->varlist_begin(); |
5195 | Et = PC->varlist_end(); |
5196 | } else if (Cl->getClauseKind() == OMPC_reduction) { |
5197 | auto *PC = cast<OMPReductionClause>(Cl); |
5198 | I = PC->privates().begin(); |
5199 | It = PC->varlist_begin(); |
5200 | Et = PC->varlist_end(); |
5201 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { |
5202 | auto *PC = cast<OMPTaskReductionClause>(Cl); |
5203 | I = PC->privates().begin(); |
5204 | It = PC->varlist_begin(); |
5205 | Et = PC->varlist_end(); |
5206 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { |
5207 | auto *PC = cast<OMPInReductionClause>(Cl); |
5208 | I = PC->privates().begin(); |
5209 | It = PC->varlist_begin(); |
5210 | Et = PC->varlist_end(); |
5211 | } else { |
5212 | llvm_unreachable("Expected private clause.")::llvm::llvm_unreachable_internal("Expected private clause.", "clang/lib/Sema/SemaOpenMP.cpp", 5212); |
5213 | } |
5214 | for (Expr *E : llvm::make_range(It, Et)) { |
5215 | if (!*I) { |
5216 | ++I; |
5217 | continue; |
5218 | } |
5219 | SourceLocation ELoc; |
5220 | SourceRange ERange; |
5221 | Expr *SimpleRefExpr = E; |
5222 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
5223 | /*AllowArraySection=*/true); |
5224 | DeclToCopy.try_emplace(Res.first, |
5225 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); |
5226 | ++I; |
5227 | } |
5228 | } |
5229 | for (OMPClause *C : AllocateRange) { |
5230 | auto *AC = cast<OMPAllocateClause>(C); |
5231 | if (S.getLangOpts().OpenMP >= 50 && |
5232 | !Stack->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>() && |
5233 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
5234 | AC->getAllocator()) { |
5235 | Expr *Allocator = AC->getAllocator(); |
5236 | // OpenMP, 2.12.5 target Construct |
5237 | // Memory allocators that do not appear in a uses_allocators clause cannot |
5238 | // appear as an allocator in an allocate clause or be used in the target |
5239 | // region unless a requires directive with the dynamic_allocators clause |
5240 | // is present in the same compilation unit. |
5241 | AllocatorChecker Checker(Stack); |
5242 | if (Checker.Visit(Allocator)) |
5243 | S.Diag(Allocator->getExprLoc(), |
5244 | diag::err_omp_allocator_not_in_uses_allocators) |
5245 | << Allocator->getSourceRange(); |
5246 | } |
5247 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = |
5248 | getAllocatorKind(S, Stack, AC->getAllocator()); |
5249 | // OpenMP, 2.11.4 allocate Clause, Restrictions. |
5250 | // For task, taskloop or target directives, allocation requests to memory |
5251 | // allocators with the trait access set to thread result in unspecified |
5252 | // behavior. |
5253 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && |
5254 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || |
5255 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { |
5256 | S.Diag(AC->getAllocator()->getExprLoc(), |
5257 | diag::warn_omp_allocate_thread_on_task_target_directive) |
5258 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); |
5259 | } |
5260 | for (Expr *E : AC->varlists()) { |
5261 | SourceLocation ELoc; |
5262 | SourceRange ERange; |
5263 | Expr *SimpleRefExpr = E; |
5264 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); |
5265 | ValueDecl *VD = Res.first; |
5266 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); |
5267 | if (!isOpenMPPrivate(Data.CKind)) { |
5268 | S.Diag(E->getExprLoc(), |
5269 | diag::err_omp_expected_private_copy_for_allocate); |
5270 | continue; |
5271 | } |
5272 | VarDecl *PrivateVD = DeclToCopy[VD]; |
5273 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, |
5274 | AllocatorKind, AC->getAllocator())) |
5275 | continue; |
5276 | // Placeholder until allocate clause supports align modifier. |
5277 | Expr *Alignment = nullptr; |
5278 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), |
5279 | Alignment, E->getSourceRange()); |
5280 | } |
5281 | } |
5282 | } |
5283 | |
5284 | namespace { |
5285 | /// Rewrite statements and expressions for Sema \p Actions CurContext. |
5286 | /// |
5287 | /// Used to wrap already parsed statements/expressions into a new CapturedStmt |
5288 | /// context. DeclRefExpr used inside the new context are changed to refer to the |
5289 | /// captured variable instead. |
5290 | class CaptureVars : public TreeTransform<CaptureVars> { |
5291 | using BaseTransform = TreeTransform<CaptureVars>; |
5292 | |
5293 | public: |
5294 | CaptureVars(Sema &Actions) : BaseTransform(Actions) {} |
5295 | |
5296 | bool AlwaysRebuild() { return true; } |
5297 | }; |
5298 | } // namespace |
5299 | |
5300 | static VarDecl *precomputeExpr(Sema &Actions, |
5301 | SmallVectorImpl<Stmt *> &BodyStmts, Expr *E, |
5302 | StringRef Name) { |
5303 | Expr *NewE = AssertSuccess(CaptureVars(Actions).TransformExpr(E)); |
5304 | VarDecl *NewVar = buildVarDecl(Actions, {}, NewE->getType(), Name, nullptr, |
5305 | dyn_cast<DeclRefExpr>(E->IgnoreImplicit())); |
5306 | auto *NewDeclStmt = cast<DeclStmt>(AssertSuccess( |
5307 | Actions.ActOnDeclStmt(Actions.ConvertDeclToDeclGroup(NewVar), {}, {}))); |
5308 | Actions.AddInitializerToDecl(NewDeclStmt->getSingleDecl(), NewE, false); |
5309 | BodyStmts.push_back(NewDeclStmt); |
5310 | return NewVar; |
5311 | } |
5312 | |
5313 | /// Create a closure that computes the number of iterations of a loop. |
5314 | /// |
5315 | /// \param Actions The Sema object. |
5316 | /// \param LogicalTy Type for the logical iteration number. |
5317 | /// \param Rel Comparison operator of the loop condition. |
5318 | /// \param StartExpr Value of the loop counter at the first iteration. |
5319 | /// \param StopExpr Expression the loop counter is compared against in the loop |
5320 | /// condition. \param StepExpr Amount of increment after each iteration. |
5321 | /// |
5322 | /// \return Closure (CapturedStmt) of the distance calculation. |
5323 | static CapturedStmt *buildDistanceFunc(Sema &Actions, QualType LogicalTy, |
5324 | BinaryOperator::Opcode Rel, |
5325 | Expr *StartExpr, Expr *StopExpr, |
5326 | Expr *StepExpr) { |
5327 | ASTContext &Ctx = Actions.getASTContext(); |
5328 | TypeSourceInfo *LogicalTSI = Ctx.getTrivialTypeSourceInfo(LogicalTy); |
5329 | |
5330 | // Captured regions currently don't support return values, we use an |
5331 | // out-parameter instead. All inputs are implicit captures. |
5332 | // TODO: Instead of capturing each DeclRefExpr occurring in |
5333 | // StartExpr/StopExpr/Step, these could also be passed as a value capture. |
5334 | QualType ResultTy = Ctx.getLValueReferenceType(LogicalTy); |
5335 | Sema::CapturedParamNameType Params[] = {{"Distance", ResultTy}, |
5336 | {StringRef(), QualType()}}; |
5337 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); |
5338 | |
5339 | Stmt *Body; |
5340 | { |
5341 | Sema::CompoundScopeRAII CompoundScope(Actions); |
5342 | CapturedDecl *CS = cast<CapturedDecl>(Actions.CurContext); |
5343 | |
5344 | // Get the LValue expression for the result. |
5345 | ImplicitParamDecl *DistParam = CS->getParam(0); |
5346 | DeclRefExpr *DistRef = Actions.BuildDeclRefExpr( |
5347 | DistParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5348 | |
5349 | SmallVector<Stmt *, 4> BodyStmts; |
5350 | |
5351 | // Capture all referenced variable references. |
5352 | // TODO: Instead of computing NewStart/NewStop/NewStep inside the |
5353 | // CapturedStmt, we could compute them before and capture the result, to be |
5354 | // used jointly with the LoopVar function. |
5355 | VarDecl *NewStart = precomputeExpr(Actions, BodyStmts, StartExpr, ".start"); |
5356 | VarDecl *NewStop = precomputeExpr(Actions, BodyStmts, StopExpr, ".stop"); |
5357 | VarDecl *NewStep = precomputeExpr(Actions, BodyStmts, StepExpr, ".step"); |
5358 | auto BuildVarRef = [&](VarDecl *VD) { |
5359 | return buildDeclRefExpr(Actions, VD, VD->getType(), {}); |
5360 | }; |
5361 | |
5362 | IntegerLiteral *Zero = IntegerLiteral::Create( |
5363 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 0), LogicalTy, {}); |
5364 | IntegerLiteral *One = IntegerLiteral::Create( |
5365 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 1), LogicalTy, {}); |
5366 | Expr *Dist; |
5367 | if (Rel == BO_NE) { |
5368 | // When using a != comparison, the increment can be +1 or -1. This can be |
5369 | // dynamic at runtime, so we need to check for the direction. |
5370 | Expr *IsNegStep = AssertSuccess( |
5371 | Actions.BuildBinOp(nullptr, {}, BO_LT, BuildVarRef(NewStep), Zero)); |
5372 | |
5373 | // Positive increment. |
5374 | Expr *ForwardRange = AssertSuccess(Actions.BuildBinOp( |
5375 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); |
5376 | ForwardRange = AssertSuccess( |
5377 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, ForwardRange)); |
5378 | Expr *ForwardDist = AssertSuccess(Actions.BuildBinOp( |
5379 | nullptr, {}, BO_Div, ForwardRange, BuildVarRef(NewStep))); |
5380 | |
5381 | // Negative increment. |
5382 | Expr *BackwardRange = AssertSuccess(Actions.BuildBinOp( |
5383 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5384 | BackwardRange = AssertSuccess( |
5385 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, BackwardRange)); |
5386 | Expr *NegIncAmount = AssertSuccess( |
5387 | Actions.BuildUnaryOp(nullptr, {}, UO_Minus, BuildVarRef(NewStep))); |
5388 | Expr *BackwardDist = AssertSuccess( |
5389 | Actions.BuildBinOp(nullptr, {}, BO_Div, BackwardRange, NegIncAmount)); |
5390 | |
5391 | // Use the appropriate case. |
5392 | Dist = AssertSuccess(Actions.ActOnConditionalOp( |
5393 | {}, {}, IsNegStep, BackwardDist, ForwardDist)); |
5394 | } else { |
5395 | assert((Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) &&(static_cast <bool> ((Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) && "Expected one of these relational operators" ) ? void (0) : __assert_fail ("(Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) && \"Expected one of these relational operators\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5396, __extension__ __PRETTY_FUNCTION__ )) |
5396 | "Expected one of these relational operators")(static_cast <bool> ((Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) && "Expected one of these relational operators" ) ? void (0) : __assert_fail ("(Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) && \"Expected one of these relational operators\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5396, __extension__ __PRETTY_FUNCTION__ )); |
5397 | |
5398 | // We can derive the direction from any other comparison operator. It is |
5399 | // non well-formed OpenMP if Step increments/decrements in the other |
5400 | // directions. Whether at least the first iteration passes the loop |
5401 | // condition. |
5402 | Expr *HasAnyIteration = AssertSuccess(Actions.BuildBinOp( |
5403 | nullptr, {}, Rel, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5404 | |
5405 | // Compute the range between first and last counter value. |
5406 | Expr *Range; |
5407 | if (Rel == BO_GE || Rel == BO_GT) |
5408 | Range = AssertSuccess(Actions.BuildBinOp( |
5409 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5410 | else |
5411 | Range = AssertSuccess(Actions.BuildBinOp( |
5412 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); |
5413 | |
5414 | // Ensure unsigned range space. |
5415 | Range = |
5416 | AssertSuccess(Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, Range)); |
5417 | |
5418 | if (Rel == BO_LE || Rel == BO_GE) { |
5419 | // Add one to the range if the relational operator is inclusive. |
5420 | Range = |
5421 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Add, Range, One)); |
5422 | } |
5423 | |
5424 | // Divide by the absolute step amount. If the range is not a multiple of |
5425 | // the step size, rounding-up the effective upper bound ensures that the |
5426 | // last iteration is included. |
5427 | // Note that the rounding-up may cause an overflow in a temporry that |
5428 | // could be avoided, but would have occurred in a C-style for-loop as well. |
5429 | Expr *Divisor = BuildVarRef(NewStep); |
5430 | if (Rel == BO_GE || Rel == BO_GT) |
5431 | Divisor = |
5432 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Minus, Divisor)); |
5433 | Expr *DivisorMinusOne = |
5434 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Sub, Divisor, One)); |
5435 | Expr *RangeRoundUp = AssertSuccess( |
5436 | Actions.BuildBinOp(nullptr, {}, BO_Add, Range, DivisorMinusOne)); |
5437 | Dist = AssertSuccess( |
5438 | Actions.BuildBinOp(nullptr, {}, BO_Div, RangeRoundUp, Divisor)); |
5439 | |
5440 | // If there is not at least one iteration, the range contains garbage. Fix |
5441 | // to zero in this case. |
5442 | Dist = AssertSuccess( |
5443 | Actions.ActOnConditionalOp({}, {}, HasAnyIteration, Dist, Zero)); |
5444 | } |
5445 | |
5446 | // Assign the result to the out-parameter. |
5447 | Stmt *ResultAssign = AssertSuccess(Actions.BuildBinOp( |
5448 | Actions.getCurScope(), {}, BO_Assign, DistRef, Dist)); |
5449 | BodyStmts.push_back(ResultAssign); |
5450 | |
5451 | Body = AssertSuccess(Actions.ActOnCompoundStmt({}, {}, BodyStmts, false)); |
5452 | } |
5453 | |
5454 | return cast<CapturedStmt>( |
5455 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); |
5456 | } |
5457 | |
5458 | /// Create a closure that computes the loop variable from the logical iteration |
5459 | /// number. |
5460 | /// |
5461 | /// \param Actions The Sema object. |
5462 | /// \param LoopVarTy Type for the loop variable used for result value. |
5463 | /// \param LogicalTy Type for the logical iteration number. |
5464 | /// \param StartExpr Value of the loop counter at the first iteration. |
5465 | /// \param Step Amount of increment after each iteration. |
5466 | /// \param Deref Whether the loop variable is a dereference of the loop |
5467 | /// counter variable. |
5468 | /// |
5469 | /// \return Closure (CapturedStmt) of the loop value calculation. |
5470 | static CapturedStmt *buildLoopVarFunc(Sema &Actions, QualType LoopVarTy, |
5471 | QualType LogicalTy, |
5472 | DeclRefExpr *StartExpr, Expr *Step, |
5473 | bool Deref) { |
5474 | ASTContext &Ctx = Actions.getASTContext(); |
5475 | |
5476 | // Pass the result as an out-parameter. Passing as return value would require |
5477 | // the OpenMPIRBuilder to know additional C/C++ semantics, such as how to |
5478 | // invoke a copy constructor. |
5479 | QualType TargetParamTy = Ctx.getLValueReferenceType(LoopVarTy); |
5480 | Sema::CapturedParamNameType Params[] = {{"LoopVar", TargetParamTy}, |
5481 | {"Logical", LogicalTy}, |
5482 | {StringRef(), QualType()}}; |
5483 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); |
5484 | |
5485 | // Capture the initial iterator which represents the LoopVar value at the |
5486 | // zero's logical iteration. Since the original ForStmt/CXXForRangeStmt update |
5487 | // it in every iteration, capture it by value before it is modified. |
5488 | VarDecl *StartVar = cast<VarDecl>(StartExpr->getDecl()); |
5489 | bool Invalid = Actions.tryCaptureVariable(StartVar, {}, |
5490 | Sema::TryCapture_ExplicitByVal, {}); |
5491 | (void)Invalid; |
5492 | assert(!Invalid && "Expecting capture-by-value to work.")(static_cast <bool> (!Invalid && "Expecting capture-by-value to work." ) ? void (0) : __assert_fail ("!Invalid && \"Expecting capture-by-value to work.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5492, __extension__ __PRETTY_FUNCTION__ )); |
5493 | |
5494 | Expr *Body; |
5495 | { |
5496 | Sema::CompoundScopeRAII CompoundScope(Actions); |
5497 | auto *CS = cast<CapturedDecl>(Actions.CurContext); |
5498 | |
5499 | ImplicitParamDecl *TargetParam = CS->getParam(0); |
5500 | DeclRefExpr *TargetRef = Actions.BuildDeclRefExpr( |
5501 | TargetParam, LoopVarTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5502 | ImplicitParamDecl *IndvarParam = CS->getParam(1); |
5503 | DeclRefExpr *LogicalRef = Actions.BuildDeclRefExpr( |
5504 | IndvarParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5505 | |
5506 | // Capture the Start expression. |
5507 | CaptureVars Recap(Actions); |
5508 | Expr *NewStart = AssertSuccess(Recap.TransformExpr(StartExpr)); |
5509 | Expr *NewStep = AssertSuccess(Recap.TransformExpr(Step)); |
5510 | |
5511 | Expr *Skip = AssertSuccess( |
5512 | Actions.BuildBinOp(nullptr, {}, BO_Mul, NewStep, LogicalRef)); |
5513 | // TODO: Explicitly cast to the iterator's difference_type instead of |
5514 | // relying on implicit conversion. |
5515 | Expr *Advanced = |
5516 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Add, NewStart, Skip)); |
5517 | |
5518 | if (Deref) { |
5519 | // For range-based for-loops convert the loop counter value to a concrete |
5520 | // loop variable value by dereferencing the iterator. |
5521 | Advanced = |
5522 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Deref, Advanced)); |
5523 | } |
5524 | |
5525 | // Assign the result to the output parameter. |
5526 | Body = AssertSuccess(Actions.BuildBinOp(Actions.getCurScope(), {}, |
5527 | BO_Assign, TargetRef, Advanced)); |
5528 | } |
5529 | return cast<CapturedStmt>( |
5530 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); |
5531 | } |
5532 | |
5533 | StmtResult Sema::ActOnOpenMPCanonicalLoop(Stmt *AStmt) { |
5534 | ASTContext &Ctx = getASTContext(); |
5535 | |
5536 | // Extract the common elements of ForStmt and CXXForRangeStmt: |
5537 | // Loop variable, repeat condition, increment |
5538 | Expr *Cond, *Inc; |
5539 | VarDecl *LIVDecl, *LUVDecl; |
5540 | if (auto *For = dyn_cast<ForStmt>(AStmt)) { |
5541 | Stmt *Init = For->getInit(); |
5542 | if (auto *LCVarDeclStmt = dyn_cast<DeclStmt>(Init)) { |
5543 | // For statement declares loop variable. |
5544 | LIVDecl = cast<VarDecl>(LCVarDeclStmt->getSingleDecl()); |
5545 | } else if (auto *LCAssign = dyn_cast<BinaryOperator>(Init)) { |
5546 | // For statement reuses variable. |
5547 | assert(LCAssign->getOpcode() == BO_Assign &&(static_cast <bool> (LCAssign->getOpcode() == BO_Assign && "init part must be a loop variable assignment") ? void (0) : __assert_fail ("LCAssign->getOpcode() == BO_Assign && \"init part must be a loop variable assignment\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5548, __extension__ __PRETTY_FUNCTION__ )) |
5548 | "init part must be a loop variable assignment")(static_cast <bool> (LCAssign->getOpcode() == BO_Assign && "init part must be a loop variable assignment") ? void (0) : __assert_fail ("LCAssign->getOpcode() == BO_Assign && \"init part must be a loop variable assignment\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5548, __extension__ __PRETTY_FUNCTION__ )); |
5549 | auto *CounterRef = cast<DeclRefExpr>(LCAssign->getLHS()); |
5550 | LIVDecl = cast<VarDecl>(CounterRef->getDecl()); |
5551 | } else |
5552 | llvm_unreachable("Cannot determine loop variable")::llvm::llvm_unreachable_internal("Cannot determine loop variable" , "clang/lib/Sema/SemaOpenMP.cpp", 5552); |
5553 | LUVDecl = LIVDecl; |
5554 | |
5555 | Cond = For->getCond(); |
5556 | Inc = For->getInc(); |
5557 | } else if (auto *RangeFor = dyn_cast<CXXForRangeStmt>(AStmt)) { |
5558 | DeclStmt *BeginStmt = RangeFor->getBeginStmt(); |
5559 | LIVDecl = cast<VarDecl>(BeginStmt->getSingleDecl()); |
5560 | LUVDecl = RangeFor->getLoopVariable(); |
5561 | |
5562 | Cond = RangeFor->getCond(); |
5563 | Inc = RangeFor->getInc(); |
5564 | } else |
5565 | llvm_unreachable("unhandled kind of loop")::llvm::llvm_unreachable_internal("unhandled kind of loop", "clang/lib/Sema/SemaOpenMP.cpp" , 5565); |
5566 | |
5567 | QualType CounterTy = LIVDecl->getType(); |
5568 | QualType LVTy = LUVDecl->getType(); |
5569 | |
5570 | // Analyze the loop condition. |
5571 | Expr *LHS, *RHS; |
5572 | BinaryOperator::Opcode CondRel; |
5573 | Cond = Cond->IgnoreImplicit(); |
5574 | if (auto *CondBinExpr = dyn_cast<BinaryOperator>(Cond)) { |
5575 | LHS = CondBinExpr->getLHS(); |
5576 | RHS = CondBinExpr->getRHS(); |
5577 | CondRel = CondBinExpr->getOpcode(); |
5578 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Cond)) { |
5579 | assert(CondCXXOp->getNumArgs() == 2 && "Comparison should have 2 operands")(static_cast <bool> (CondCXXOp->getNumArgs() == 2 && "Comparison should have 2 operands") ? void (0) : __assert_fail ("CondCXXOp->getNumArgs() == 2 && \"Comparison should have 2 operands\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5579, __extension__ __PRETTY_FUNCTION__ )); |
5580 | LHS = CondCXXOp->getArg(0); |
5581 | RHS = CondCXXOp->getArg(1); |
5582 | switch (CondCXXOp->getOperator()) { |
5583 | case OO_ExclaimEqual: |
5584 | CondRel = BO_NE; |
5585 | break; |
5586 | case OO_Less: |
5587 | CondRel = BO_LT; |
5588 | break; |
5589 | case OO_LessEqual: |
5590 | CondRel = BO_LE; |
5591 | break; |
5592 | case OO_Greater: |
5593 | CondRel = BO_GT; |
5594 | break; |
5595 | case OO_GreaterEqual: |
5596 | CondRel = BO_GE; |
5597 | break; |
5598 | default: |
5599 | llvm_unreachable("unexpected iterator operator")::llvm::llvm_unreachable_internal("unexpected iterator operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5599); |
5600 | } |
5601 | } else |
5602 | llvm_unreachable("unexpected loop condition")::llvm::llvm_unreachable_internal("unexpected loop condition" , "clang/lib/Sema/SemaOpenMP.cpp", 5602); |
5603 | |
5604 | // Normalize such that the loop counter is on the LHS. |
5605 | if (!isa<DeclRefExpr>(LHS->IgnoreImplicit()) || |
5606 | cast<DeclRefExpr>(LHS->IgnoreImplicit())->getDecl() != LIVDecl) { |
5607 | std::swap(LHS, RHS); |
5608 | CondRel = BinaryOperator::reverseComparisonOp(CondRel); |
5609 | } |
5610 | auto *CounterRef = cast<DeclRefExpr>(LHS->IgnoreImplicit()); |
5611 | |
5612 | // Decide the bit width for the logical iteration counter. By default use the |
5613 | // unsigned ptrdiff_t integer size (for iterators and pointers). |
5614 | // TODO: For iterators, use iterator::difference_type, |
5615 | // std::iterator_traits<>::difference_type or decltype(it - end). |
5616 | QualType LogicalTy = Ctx.getUnsignedPointerDiffType(); |
5617 | if (CounterTy->isIntegerType()) { |
5618 | unsigned BitWidth = Ctx.getIntWidth(CounterTy); |
5619 | LogicalTy = Ctx.getIntTypeForBitwidth(BitWidth, false); |
5620 | } |
5621 | |
5622 | // Analyze the loop increment. |
5623 | Expr *Step; |
5624 | if (auto *IncUn = dyn_cast<UnaryOperator>(Inc)) { |
5625 | int Direction; |
5626 | switch (IncUn->getOpcode()) { |
5627 | case UO_PreInc: |
5628 | case UO_PostInc: |
5629 | Direction = 1; |
5630 | break; |
5631 | case UO_PreDec: |
5632 | case UO_PostDec: |
5633 | Direction = -1; |
5634 | break; |
5635 | default: |
5636 | llvm_unreachable("unhandled unary increment operator")::llvm::llvm_unreachable_internal("unhandled unary increment operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5636); |
5637 | } |
5638 | Step = IntegerLiteral::Create( |
5639 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), Direction), LogicalTy, {}); |
5640 | } else if (auto *IncBin = dyn_cast<BinaryOperator>(Inc)) { |
5641 | if (IncBin->getOpcode() == BO_AddAssign) { |
5642 | Step = IncBin->getRHS(); |
5643 | } else if (IncBin->getOpcode() == BO_SubAssign) { |
5644 | Step = |
5645 | AssertSuccess(BuildUnaryOp(nullptr, {}, UO_Minus, IncBin->getRHS())); |
5646 | } else |
5647 | llvm_unreachable("unhandled binary increment operator")::llvm::llvm_unreachable_internal("unhandled binary increment operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5647); |
5648 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Inc)) { |
5649 | switch (CondCXXOp->getOperator()) { |
5650 | case OO_PlusPlus: |
5651 | Step = IntegerLiteral::Create( |
5652 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 1), LogicalTy, {}); |
5653 | break; |
5654 | case OO_MinusMinus: |
5655 | Step = IntegerLiteral::Create( |
5656 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), -1), LogicalTy, {}); |
5657 | break; |
5658 | case OO_PlusEqual: |
5659 | Step = CondCXXOp->getArg(1); |
5660 | break; |
5661 | case OO_MinusEqual: |
5662 | Step = AssertSuccess( |
5663 | BuildUnaryOp(nullptr, {}, UO_Minus, CondCXXOp->getArg(1))); |
5664 | break; |
5665 | default: |
5666 | llvm_unreachable("unhandled overloaded increment operator")::llvm::llvm_unreachable_internal("unhandled overloaded increment operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5666); |
5667 | } |
5668 | } else |
5669 | llvm_unreachable("unknown increment expression")::llvm::llvm_unreachable_internal("unknown increment expression" , "clang/lib/Sema/SemaOpenMP.cpp", 5669); |
5670 | |
5671 | CapturedStmt *DistanceFunc = |
5672 | buildDistanceFunc(*this, LogicalTy, CondRel, LHS, RHS, Step); |
5673 | CapturedStmt *LoopVarFunc = buildLoopVarFunc( |
5674 | *this, LVTy, LogicalTy, CounterRef, Step, isa<CXXForRangeStmt>(AStmt)); |
5675 | DeclRefExpr *LVRef = BuildDeclRefExpr(LUVDecl, LUVDecl->getType(), VK_LValue, |
5676 | {}, nullptr, nullptr, {}, nullptr); |
5677 | return OMPCanonicalLoop::create(getASTContext(), AStmt, DistanceFunc, |
5678 | LoopVarFunc, LVRef); |
5679 | } |
5680 | |
5681 | StmtResult Sema::ActOnOpenMPLoopnest(Stmt *AStmt) { |
5682 | // Handle a literal loop. |
5683 | if (isa<ForStmt>(AStmt) || isa<CXXForRangeStmt>(AStmt)) |
5684 | return ActOnOpenMPCanonicalLoop(AStmt); |
5685 | |
5686 | // If not a literal loop, it must be the result of a loop transformation. |
5687 | OMPExecutableDirective *LoopTransform = cast<OMPExecutableDirective>(AStmt); |
5688 | assert((static_cast <bool> (isOpenMPLoopTransformationDirective (LoopTransform->getDirectiveKind()) && "Loop transformation directive expected" ) ? void (0) : __assert_fail ("isOpenMPLoopTransformationDirective(LoopTransform->getDirectiveKind()) && \"Loop transformation directive expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5690, __extension__ __PRETTY_FUNCTION__ )) |
5689 | isOpenMPLoopTransformationDirective(LoopTransform->getDirectiveKind()) &&(static_cast <bool> (isOpenMPLoopTransformationDirective (LoopTransform->getDirectiveKind()) && "Loop transformation directive expected" ) ? void (0) : __assert_fail ("isOpenMPLoopTransformationDirective(LoopTransform->getDirectiveKind()) && \"Loop transformation directive expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5690, __extension__ __PRETTY_FUNCTION__ )) |
5690 | "Loop transformation directive expected")(static_cast <bool> (isOpenMPLoopTransformationDirective (LoopTransform->getDirectiveKind()) && "Loop transformation directive expected" ) ? void (0) : __assert_fail ("isOpenMPLoopTransformationDirective(LoopTransform->getDirectiveKind()) && \"Loop transformation directive expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5690, __extension__ __PRETTY_FUNCTION__ )); |
5691 | return LoopTransform; |
5692 | } |
5693 | |
5694 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, |
5695 | CXXScopeSpec &MapperIdScopeSpec, |
5696 | const DeclarationNameInfo &MapperId, |
5697 | QualType Type, |
5698 | Expr *UnresolvedMapper); |
5699 | |
5700 | /// Perform DFS through the structure/class data members trying to find |
5701 | /// member(s) with user-defined 'default' mapper and generate implicit map |
5702 | /// clauses for such members with the found 'default' mapper. |
5703 | static void |
5704 | processImplicitMapsWithDefaultMappers(Sema &S, DSAStackTy *Stack, |
5705 | SmallVectorImpl<OMPClause *> &Clauses) { |
5706 | // Check for the deault mapper for data members. |
5707 | if (S.getLangOpts().OpenMP < 50) |
5708 | return; |
5709 | SmallVector<OMPClause *, 4> ImplicitMaps; |
5710 | for (int Cnt = 0, EndCnt = Clauses.size(); Cnt < EndCnt; ++Cnt) { |
5711 | auto *C = dyn_cast<OMPMapClause>(Clauses[Cnt]); |
5712 | if (!C) |
5713 | continue; |
5714 | SmallVector<Expr *, 4> SubExprs; |
5715 | auto *MI = C->mapperlist_begin(); |
5716 | for (auto I = C->varlist_begin(), End = C->varlist_end(); I != End; |
5717 | ++I, ++MI) { |
5718 | // Expression is mapped using mapper - skip it. |
5719 | if (*MI) |
5720 | continue; |
5721 | Expr *E = *I; |
5722 | // Expression is dependent - skip it, build the mapper when it gets |
5723 | // instantiated. |
5724 | if (E->isTypeDependent() || E->isValueDependent() || |
5725 | E->containsUnexpandedParameterPack()) |
5726 | continue; |
5727 | // Array section - need to check for the mapping of the array section |
5728 | // element. |
5729 | QualType CanonType = E->getType().getCanonicalType(); |
5730 | if (CanonType->isSpecificBuiltinType(BuiltinType::OMPArraySection)) { |
5731 | const auto *OASE = cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts()); |
5732 | QualType BaseType = |
5733 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
5734 | QualType ElemType; |
5735 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
5736 | ElemType = ATy->getElementType(); |
5737 | else |
5738 | ElemType = BaseType->getPointeeType(); |
5739 | CanonType = ElemType; |
5740 | } |
5741 | |
5742 | // DFS over data members in structures/classes. |
5743 | SmallVector<std::pair<QualType, FieldDecl *>, 4> Types( |
5744 | 1, {CanonType, nullptr}); |
5745 | llvm::DenseMap<const Type *, Expr *> Visited; |
5746 | SmallVector<std::pair<FieldDecl *, unsigned>, 4> ParentChain( |
5747 | 1, {nullptr, 1}); |
5748 | while (!Types.empty()) { |
5749 | QualType BaseType; |
5750 | FieldDecl *CurFD; |
5751 | std::tie(BaseType, CurFD) = Types.pop_back_val(); |
5752 | while (ParentChain.back().second == 0) |
5753 | ParentChain.pop_back(); |
5754 | --ParentChain.back().second; |
5755 | if (BaseType.isNull()) |
5756 | continue; |
5757 | // Only structs/classes are allowed to have mappers. |
5758 | const RecordDecl *RD = BaseType.getCanonicalType()->getAsRecordDecl(); |
5759 | if (!RD) |
5760 | continue; |
5761 | auto It = Visited.find(BaseType.getTypePtr()); |
5762 | if (It == Visited.end()) { |
5763 | // Try to find the associated user-defined mapper. |
5764 | CXXScopeSpec MapperIdScopeSpec; |
5765 | DeclarationNameInfo DefaultMapperId; |
5766 | DefaultMapperId.setName(S.Context.DeclarationNames.getIdentifier( |
5767 | &S.Context.Idents.get("default"))); |
5768 | DefaultMapperId.setLoc(E->getExprLoc()); |
5769 | ExprResult ER = buildUserDefinedMapperRef( |
5770 | S, Stack->getCurScope(), MapperIdScopeSpec, DefaultMapperId, |
5771 | BaseType, /*UnresolvedMapper=*/nullptr); |
5772 | if (ER.isInvalid()) |
5773 | continue; |
5774 | It = Visited.try_emplace(BaseType.getTypePtr(), ER.get()).first; |
5775 | } |
5776 | // Found default mapper. |
5777 | if (It->second) { |
5778 | auto *OE = new (S.Context) OpaqueValueExpr(E->getExprLoc(), CanonType, |
5779 | VK_LValue, OK_Ordinary, E); |
5780 | OE->setIsUnique(/*V=*/true); |
5781 | Expr *BaseExpr = OE; |
5782 | for (const auto &P : ParentChain) { |
5783 | if (P.first) { |
5784 | BaseExpr = S.BuildMemberExpr( |
5785 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), |
5786 | NestedNameSpecifierLoc(), SourceLocation(), P.first, |
5787 | DeclAccessPair::make(P.first, P.first->getAccess()), |
5788 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), |
5789 | P.first->getType(), VK_LValue, OK_Ordinary); |
5790 | BaseExpr = S.DefaultLvalueConversion(BaseExpr).get(); |
5791 | } |
5792 | } |
5793 | if (CurFD) |
5794 | BaseExpr = S.BuildMemberExpr( |
5795 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), |
5796 | NestedNameSpecifierLoc(), SourceLocation(), CurFD, |
5797 | DeclAccessPair::make(CurFD, CurFD->getAccess()), |
5798 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), |
5799 | CurFD->getType(), VK_LValue, OK_Ordinary); |
5800 | SubExprs.push_back(BaseExpr); |
5801 | continue; |
5802 | } |
5803 | // Check for the "default" mapper for data members. |
5804 | bool FirstIter = true; |
5805 | for (FieldDecl *FD : RD->fields()) { |
5806 | if (!FD) |
5807 | continue; |
5808 | QualType FieldTy = FD->getType(); |
5809 | if (FieldTy.isNull() || |
5810 | !(FieldTy->isStructureOrClassType() || FieldTy->isUnionType())) |
5811 | continue; |
5812 | if (FirstIter) { |
5813 | FirstIter = false; |
5814 | ParentChain.emplace_back(CurFD, 1); |
5815 | } else { |
5816 | ++ParentChain.back().second; |
5817 | } |
5818 | Types.emplace_back(FieldTy, FD); |
5819 | } |
5820 | } |
5821 | } |
5822 | if (SubExprs.empty()) |
5823 | continue; |
5824 | CXXScopeSpec MapperIdScopeSpec; |
5825 | DeclarationNameInfo MapperId; |
5826 | if (OMPClause *NewClause = S.ActOnOpenMPMapClause( |
5827 | C->getMapTypeModifiers(), C->getMapTypeModifiersLoc(), |
5828 | MapperIdScopeSpec, MapperId, C->getMapType(), |
5829 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), |
5830 | SubExprs, OMPVarListLocTy())) |
5831 | Clauses.push_back(NewClause); |
5832 | } |
5833 | } |
5834 | |
5835 | StmtResult Sema::ActOnOpenMPExecutableDirective( |
5836 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, |
5837 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, |
5838 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { |
5839 | StmtResult Res = StmtError(); |
5840 | OpenMPBindClauseKind BindKind = OMPC_BIND_unknown; |
5841 | if (const OMPBindClause *BC = |
5842 | OMPExecutableDirective::getSingleClause<OMPBindClause>(Clauses)) |
5843 | BindKind = BC->getBindKind(); |
5844 | // First check CancelRegion which is then used in checkNestingOfRegions. |
5845 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || |
5846 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, |
5847 | BindKind, StartLoc)) |
5848 | return StmtError(); |
5849 | |
5850 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; |
5851 | VarsWithInheritedDSAType VarsWithInheritedDSA; |
5852 | bool ErrorFound = false; |
5853 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); |
5854 | if (AStmt && !CurContext->isDependentContext() && Kind != OMPD_atomic && |
5855 | Kind != OMPD_critical && Kind != OMPD_section && Kind != OMPD_master && |
5856 | Kind != OMPD_masked && !isOpenMPLoopTransformationDirective(Kind)) { |
5857 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 5857, __extension__ __PRETTY_FUNCTION__ )); |
5858 | |
5859 | // Check default data sharing attributes for referenced variables. |
5860 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); |
5861 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); |
5862 | Stmt *S = AStmt; |
5863 | while (--ThisCaptureLevel >= 0) |
5864 | S = cast<CapturedStmt>(S)->getCapturedStmt(); |
5865 | DSAChecker.Visit(S); |
5866 | if (!isOpenMPTargetDataManagementDirective(Kind) && |
5867 | !isOpenMPTaskingDirective(Kind)) { |
5868 | // Visit subcaptures to generate implicit clauses for captured vars. |
5869 | auto *CS = cast<CapturedStmt>(AStmt); |
5870 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
5871 | getOpenMPCaptureRegions(CaptureRegions, Kind); |
5872 | // Ignore outer tasking regions for target directives. |
5873 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) |
5874 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
5875 | DSAChecker.visitSubCaptures(CS); |
5876 | } |
5877 | if (DSAChecker.isErrorFound()) |
5878 | return StmtError(); |
5879 | // Generate list of implicitly defined firstprivate variables. |
5880 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); |
5881 | |
5882 | SmallVector<Expr *, 4> ImplicitFirstprivates( |
5883 | DSAChecker.getImplicitFirstprivate().begin(), |
5884 | DSAChecker.getImplicitFirstprivate().end()); |
5885 | const unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; |
5886 | SmallVector<Expr *, 4> ImplicitMaps[DefaultmapKindNum][OMPC_MAP_delete]; |
5887 | SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> |
5888 | ImplicitMapModifiers[DefaultmapKindNum]; |
5889 | SmallVector<SourceLocation, NumberOfOMPMapClauseModifiers> |
5890 | ImplicitMapModifiersLoc[DefaultmapKindNum]; |
5891 | // Get the original location of present modifier from Defaultmap clause. |
5892 | SourceLocation PresentModifierLocs[DefaultmapKindNum]; |
5893 | for (OMPClause *C : Clauses) { |
5894 | if (auto *DMC = dyn_cast<OMPDefaultmapClause>(C)) |
5895 | if (DMC->getDefaultmapModifier() == OMPC_DEFAULTMAP_MODIFIER_present) |
5896 | PresentModifierLocs[DMC->getDefaultmapKind()] = |
5897 | DMC->getDefaultmapModifierLoc(); |
5898 | } |
5899 | for (unsigned VC = 0; VC < DefaultmapKindNum; ++VC) { |
5900 | auto Kind = static_cast<OpenMPDefaultmapClauseKind>(VC); |
5901 | for (unsigned I = 0; I < OMPC_MAP_delete; ++I) { |
5902 | ArrayRef<Expr *> ImplicitMap = DSAChecker.getImplicitMap( |
5903 | Kind, static_cast<OpenMPMapClauseKind>(I)); |
5904 | ImplicitMaps[VC][I].append(ImplicitMap.begin(), ImplicitMap.end()); |
5905 | } |
5906 | ArrayRef<OpenMPMapModifierKind> ImplicitModifier = |
5907 | DSAChecker.getImplicitMapModifier(Kind); |
5908 | ImplicitMapModifiers[VC].append(ImplicitModifier.begin(), |
5909 | ImplicitModifier.end()); |
5910 | std::fill_n(std::back_inserter(ImplicitMapModifiersLoc[VC]), |
5911 | ImplicitModifier.size(), PresentModifierLocs[VC]); |
5912 | } |
5913 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. |
5914 | for (OMPClause *C : Clauses) { |
5915 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { |
5916 | for (Expr *E : IRC->taskgroup_descriptors()) |
5917 | if (E) |
5918 | ImplicitFirstprivates.emplace_back(E); |
5919 | } |
5920 | // OpenMP 5.0, 2.10.1 task Construct |
5921 | // [detach clause]... The event-handle will be considered as if it was |
5922 | // specified on a firstprivate clause. |
5923 | if (auto *DC = dyn_cast<OMPDetachClause>(C)) |
5924 | ImplicitFirstprivates.push_back(DC->getEventHandler()); |
5925 | } |
5926 | if (!ImplicitFirstprivates.empty()) { |
5927 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( |
5928 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), |
5929 | SourceLocation())) { |
5930 | ClausesWithImplicit.push_back(Implicit); |
5931 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != |
5932 | ImplicitFirstprivates.size(); |
5933 | } else { |
5934 | ErrorFound = true; |
5935 | } |
5936 | } |
5937 | // OpenMP 5.0 [2.19.7] |
5938 | // If a list item appears in a reduction, lastprivate or linear |
5939 | // clause on a combined target construct then it is treated as |
5940 | // if it also appears in a map clause with a map-type of tofrom |
5941 | if (getLangOpts().OpenMP >= 50 && Kind != OMPD_target && |
5942 | isOpenMPTargetExecutionDirective(Kind)) { |
5943 | SmallVector<Expr *, 4> ImplicitExprs; |
5944 | for (OMPClause *C : Clauses) { |
5945 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) |
5946 | for (Expr *E : RC->varlists()) |
5947 | if (!isa<DeclRefExpr>(E->IgnoreParenImpCasts())) |
5948 | ImplicitExprs.emplace_back(E); |
5949 | } |
5950 | if (!ImplicitExprs.empty()) { |
5951 | ArrayRef<Expr *> Exprs = ImplicitExprs; |
5952 | CXXScopeSpec MapperIdScopeSpec; |
5953 | DeclarationNameInfo MapperId; |
5954 | if (OMPClause *Implicit = ActOnOpenMPMapClause( |
5955 | OMPC_MAP_MODIFIER_unknown, SourceLocation(), MapperIdScopeSpec, |
5956 | MapperId, OMPC_MAP_tofrom, |
5957 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), |
5958 | Exprs, OMPVarListLocTy(), /*NoDiagnose=*/true)) |
5959 | ClausesWithImplicit.emplace_back(Implicit); |
5960 | } |
5961 | } |
5962 | for (unsigned I = 0, E = DefaultmapKindNum; I < E; ++I) { |
5963 | int ClauseKindCnt = -1; |
5964 | for (ArrayRef<Expr *> ImplicitMap : ImplicitMaps[I]) { |
5965 | ++ClauseKindCnt; |
5966 | if (ImplicitMap.empty()) |
5967 | continue; |
5968 | CXXScopeSpec MapperIdScopeSpec; |
5969 | DeclarationNameInfo MapperId; |
5970 | auto Kind = static_cast<OpenMPMapClauseKind>(ClauseKindCnt); |
5971 | if (OMPClause *Implicit = ActOnOpenMPMapClause( |
5972 | ImplicitMapModifiers[I], ImplicitMapModifiersLoc[I], |
5973 | MapperIdScopeSpec, MapperId, Kind, /*IsMapTypeImplicit=*/true, |
5974 | SourceLocation(), SourceLocation(), ImplicitMap, |
5975 | OMPVarListLocTy())) { |
5976 | ClausesWithImplicit.emplace_back(Implicit); |
5977 | ErrorFound |= cast<OMPMapClause>(Implicit)->varlist_size() != |
5978 | ImplicitMap.size(); |
5979 | } else { |
5980 | ErrorFound = true; |
5981 | } |
5982 | } |
5983 | } |
5984 | // Build expressions for implicit maps of data members with 'default' |
5985 | // mappers. |
5986 | if (LangOpts.OpenMP >= 50) |
5987 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
5988 | ClausesWithImplicit); |
5989 | } |
5990 | |
5991 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; |
5992 | switch (Kind) { |
5993 | case OMPD_parallel: |
5994 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, |
5995 | EndLoc); |
5996 | AllowedNameModifiers.push_back(OMPD_parallel); |
5997 | break; |
5998 | case OMPD_simd: |
5999 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, |
6000 | VarsWithInheritedDSA); |
6001 | if (LangOpts.OpenMP >= 50) |
6002 | AllowedNameModifiers.push_back(OMPD_simd); |
6003 | break; |
6004 | case OMPD_tile: |
6005 | Res = |
6006 | ActOnOpenMPTileDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
6007 | break; |
6008 | case OMPD_unroll: |
6009 | Res = ActOnOpenMPUnrollDirective(ClausesWithImplicit, AStmt, StartLoc, |
6010 | EndLoc); |
6011 | break; |
6012 | case OMPD_for: |
6013 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, |
6014 | VarsWithInheritedDSA); |
6015 | break; |
6016 | case OMPD_for_simd: |
6017 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6018 | EndLoc, VarsWithInheritedDSA); |
6019 | if (LangOpts.OpenMP >= 50) |
6020 | AllowedNameModifiers.push_back(OMPD_simd); |
6021 | break; |
6022 | case OMPD_sections: |
6023 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, |
6024 | EndLoc); |
6025 | break; |
6026 | case OMPD_section: |
6027 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6028, __extension__ __PRETTY_FUNCTION__ )) |
6028 | "No clauses are allowed for 'omp section' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6028, __extension__ __PRETTY_FUNCTION__ )); |
6029 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); |
6030 | break; |
6031 | case OMPD_single: |
6032 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, |
6033 | EndLoc); |
6034 | break; |
6035 | case OMPD_master: |
6036 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive") ? void ( 0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6037, __extension__ __PRETTY_FUNCTION__ )) |
6037 | "No clauses are allowed for 'omp master' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive") ? void ( 0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6037, __extension__ __PRETTY_FUNCTION__ )); |
6038 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); |
6039 | break; |
6040 | case OMPD_masked: |
6041 | Res = ActOnOpenMPMaskedDirective(ClausesWithImplicit, AStmt, StartLoc, |
6042 | EndLoc); |
6043 | break; |
6044 | case OMPD_critical: |
6045 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, |
6046 | StartLoc, EndLoc); |
6047 | break; |
6048 | case OMPD_parallel_for: |
6049 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, |
6050 | EndLoc, VarsWithInheritedDSA); |
6051 | AllowedNameModifiers.push_back(OMPD_parallel); |
6052 | break; |
6053 | case OMPD_parallel_for_simd: |
6054 | Res = ActOnOpenMPParallelForSimdDirective( |
6055 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6056 | AllowedNameModifiers.push_back(OMPD_parallel); |
6057 | if (LangOpts.OpenMP >= 50) |
6058 | AllowedNameModifiers.push_back(OMPD_simd); |
6059 | break; |
6060 | case OMPD_parallel_master: |
6061 | Res = ActOnOpenMPParallelMasterDirective(ClausesWithImplicit, AStmt, |
6062 | StartLoc, EndLoc); |
6063 | AllowedNameModifiers.push_back(OMPD_parallel); |
6064 | break; |
6065 | case OMPD_parallel_sections: |
6066 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, |
6067 | StartLoc, EndLoc); |
6068 | AllowedNameModifiers.push_back(OMPD_parallel); |
6069 | break; |
6070 | case OMPD_task: |
6071 | Res = |
6072 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
6073 | AllowedNameModifiers.push_back(OMPD_task); |
6074 | break; |
6075 | case OMPD_taskyield: |
6076 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6077, __extension__ __PRETTY_FUNCTION__ )) |
6077 | "No clauses are allowed for 'omp taskyield' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6077, __extension__ __PRETTY_FUNCTION__ )); |
6078 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6079, __extension__ __PRETTY_FUNCTION__ )) |
6079 | "No associated statement allowed for 'omp taskyield' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6079, __extension__ __PRETTY_FUNCTION__ )); |
6080 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); |
6081 | break; |
6082 | case OMPD_barrier: |
6083 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6084, __extension__ __PRETTY_FUNCTION__ )) |
6084 | "No clauses are allowed for 'omp barrier' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6084, __extension__ __PRETTY_FUNCTION__ )); |
6085 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6086, __extension__ __PRETTY_FUNCTION__ )) |
6086 | "No associated statement allowed for 'omp barrier' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6086, __extension__ __PRETTY_FUNCTION__ )); |
6087 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); |
6088 | break; |
6089 | case OMPD_taskwait: |
6090 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6091, __extension__ __PRETTY_FUNCTION__ )) |
6091 | "No associated statement allowed for 'omp taskwait' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6091, __extension__ __PRETTY_FUNCTION__ )); |
6092 | Res = ActOnOpenMPTaskwaitDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6093 | break; |
6094 | case OMPD_taskgroup: |
6095 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, |
6096 | EndLoc); |
6097 | break; |
6098 | case OMPD_flush: |
6099 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6100, __extension__ __PRETTY_FUNCTION__ )) |
6100 | "No associated statement allowed for 'omp flush' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6100, __extension__ __PRETTY_FUNCTION__ )); |
6101 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6102 | break; |
6103 | case OMPD_depobj: |
6104 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp depobj' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp depobj' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6105, __extension__ __PRETTY_FUNCTION__ )) |
6105 | "No associated statement allowed for 'omp depobj' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp depobj' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp depobj' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6105, __extension__ __PRETTY_FUNCTION__ )); |
6106 | Res = ActOnOpenMPDepobjDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6107 | break; |
6108 | case OMPD_scan: |
6109 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp scan' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp scan' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6110, __extension__ __PRETTY_FUNCTION__ )) |
6110 | "No associated statement allowed for 'omp scan' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp scan' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp scan' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6110, __extension__ __PRETTY_FUNCTION__ )); |
6111 | Res = ActOnOpenMPScanDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6112 | break; |
6113 | case OMPD_ordered: |
6114 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, |
6115 | EndLoc); |
6116 | break; |
6117 | case OMPD_atomic: |
6118 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, |
6119 | EndLoc); |
6120 | break; |
6121 | case OMPD_teams: |
6122 | Res = |
6123 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
6124 | break; |
6125 | case OMPD_target: |
6126 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, |
6127 | EndLoc); |
6128 | AllowedNameModifiers.push_back(OMPD_target); |
6129 | break; |
6130 | case OMPD_target_parallel: |
6131 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, |
6132 | StartLoc, EndLoc); |
6133 | AllowedNameModifiers.push_back(OMPD_target); |
6134 | AllowedNameModifiers.push_back(OMPD_parallel); |
6135 | break; |
6136 | case OMPD_target_parallel_for: |
6137 | Res = ActOnOpenMPTargetParallelForDirective( |
6138 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6139 | AllowedNameModifiers.push_back(OMPD_target); |
6140 | AllowedNameModifiers.push_back(OMPD_parallel); |
6141 | break; |
6142 | case OMPD_cancellation_point: |
6143 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6144, __extension__ __PRETTY_FUNCTION__ )) |
6144 | "No clauses are allowed for 'omp cancellation point' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6144, __extension__ __PRETTY_FUNCTION__ )); |
6145 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? void (0) : __assert_fail ( "AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6146, __extension__ __PRETTY_FUNCTION__ )) |
6146 | "cancellation point' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? void (0) : __assert_fail ( "AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6146, __extension__ __PRETTY_FUNCTION__ )); |
6147 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); |
6148 | break; |
6149 | case OMPD_cancel: |
6150 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6151, __extension__ __PRETTY_FUNCTION__ )) |
6151 | "No associated statement allowed for 'omp cancel' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6151, __extension__ __PRETTY_FUNCTION__ )); |
6152 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, |
6153 | CancelRegion); |
6154 | AllowedNameModifiers.push_back(OMPD_cancel); |
6155 | break; |
6156 | case OMPD_target_data: |
6157 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, |
6158 | EndLoc); |
6159 | AllowedNameModifiers.push_back(OMPD_target_data); |
6160 | break; |
6161 | case OMPD_target_enter_data: |
6162 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, |
6163 | EndLoc, AStmt); |
6164 | AllowedNameModifiers.push_back(OMPD_target_enter_data); |
6165 | break; |
6166 | case OMPD_target_exit_data: |
6167 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, |
6168 | EndLoc, AStmt); |
6169 | AllowedNameModifiers.push_back(OMPD_target_exit_data); |
6170 | break; |
6171 | case OMPD_taskloop: |
6172 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, |
6173 | EndLoc, VarsWithInheritedDSA); |
6174 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6175 | break; |
6176 | case OMPD_taskloop_simd: |
6177 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6178 | EndLoc, VarsWithInheritedDSA); |
6179 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6180 | if (LangOpts.OpenMP >= 50) |
6181 | AllowedNameModifiers.push_back(OMPD_simd); |
6182 | break; |
6183 | case OMPD_master_taskloop: |
6184 | Res = ActOnOpenMPMasterTaskLoopDirective( |
6185 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6186 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6187 | break; |
6188 | case OMPD_master_taskloop_simd: |
6189 | Res = ActOnOpenMPMasterTaskLoopSimdDirective( |
6190 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6191 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6192 | if (LangOpts.OpenMP >= 50) |
6193 | AllowedNameModifiers.push_back(OMPD_simd); |
6194 | break; |
6195 | case OMPD_parallel_master_taskloop: |
6196 | Res = ActOnOpenMPParallelMasterTaskLoopDirective( |
6197 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6198 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6199 | AllowedNameModifiers.push_back(OMPD_parallel); |
6200 | break; |
6201 | case OMPD_parallel_master_taskloop_simd: |
6202 | Res = ActOnOpenMPParallelMasterTaskLoopSimdDirective( |
6203 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6204 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6205 | AllowedNameModifiers.push_back(OMPD_parallel); |
6206 | if (LangOpts.OpenMP >= 50) |
6207 | AllowedNameModifiers.push_back(OMPD_simd); |
6208 | break; |
6209 | case OMPD_distribute: |
6210 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, |
6211 | EndLoc, VarsWithInheritedDSA); |
6212 | break; |
6213 | case OMPD_target_update: |
6214 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, |
6215 | EndLoc, AStmt); |
6216 | AllowedNameModifiers.push_back(OMPD_target_update); |
6217 | break; |
6218 | case OMPD_distribute_parallel_for: |
6219 | Res = ActOnOpenMPDistributeParallelForDirective( |
6220 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6221 | AllowedNameModifiers.push_back(OMPD_parallel); |
6222 | break; |
6223 | case OMPD_distribute_parallel_for_simd: |
6224 | Res = ActOnOpenMPDistributeParallelForSimdDirective( |
6225 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6226 | AllowedNameModifiers.push_back(OMPD_parallel); |
6227 | if (LangOpts.OpenMP >= 50) |
6228 | AllowedNameModifiers.push_back(OMPD_simd); |
6229 | break; |
6230 | case OMPD_distribute_simd: |
6231 | Res = ActOnOpenMPDistributeSimdDirective( |
6232 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6233 | if (LangOpts.OpenMP >= 50) |
6234 | AllowedNameModifiers.push_back(OMPD_simd); |
6235 | break; |
6236 | case OMPD_target_parallel_for_simd: |
6237 | Res = ActOnOpenMPTargetParallelForSimdDirective( |
6238 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6239 | AllowedNameModifiers.push_back(OMPD_target); |
6240 | AllowedNameModifiers.push_back(OMPD_parallel); |
6241 | if (LangOpts.OpenMP >= 50) |
6242 | AllowedNameModifiers.push_back(OMPD_simd); |
6243 | break; |
6244 | case OMPD_target_simd: |
6245 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6246 | EndLoc, VarsWithInheritedDSA); |
6247 | AllowedNameModifiers.push_back(OMPD_target); |
6248 | if (LangOpts.OpenMP >= 50) |
6249 | AllowedNameModifiers.push_back(OMPD_simd); |
6250 | break; |
6251 | case OMPD_teams_distribute: |
6252 | Res = ActOnOpenMPTeamsDistributeDirective( |
6253 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6254 | break; |
6255 | case OMPD_teams_distribute_simd: |
6256 | Res = ActOnOpenMPTeamsDistributeSimdDirective( |
6257 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6258 | if (LangOpts.OpenMP >= 50) |
6259 | AllowedNameModifiers.push_back(OMPD_simd); |
6260 | break; |
6261 | case OMPD_teams_distribute_parallel_for_simd: |
6262 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( |
6263 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6264 | AllowedNameModifiers.push_back(OMPD_parallel); |
6265 | if (LangOpts.OpenMP >= 50) |
6266 | AllowedNameModifiers.push_back(OMPD_simd); |
6267 | break; |
6268 | case OMPD_teams_distribute_parallel_for: |
6269 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( |
6270 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6271 | AllowedNameModifiers.push_back(OMPD_parallel); |
6272 | break; |
6273 | case OMPD_target_teams: |
6274 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, |
6275 | EndLoc); |
6276 | AllowedNameModifiers.push_back(OMPD_target); |
6277 | break; |
6278 | case OMPD_target_teams_distribute: |
6279 | Res = ActOnOpenMPTargetTeamsDistributeDirective( |
6280 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6281 | AllowedNameModifiers.push_back(OMPD_target); |
6282 | break; |
6283 | case OMPD_target_teams_distribute_parallel_for: |
6284 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( |
6285 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6286 | AllowedNameModifiers.push_back(OMPD_target); |
6287 | AllowedNameModifiers.push_back(OMPD_parallel); |
6288 | break; |
6289 | case OMPD_target_teams_distribute_parallel_for_simd: |
6290 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( |
6291 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6292 | AllowedNameModifiers.push_back(OMPD_target); |
6293 | AllowedNameModifiers.push_back(OMPD_parallel); |
6294 | if (LangOpts.OpenMP >= 50) |
6295 | AllowedNameModifiers.push_back(OMPD_simd); |
6296 | break; |
6297 | case OMPD_target_teams_distribute_simd: |
6298 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( |
6299 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6300 | AllowedNameModifiers.push_back(OMPD_target); |
6301 | if (LangOpts.OpenMP >= 50) |
6302 | AllowedNameModifiers.push_back(OMPD_simd); |
6303 | break; |
6304 | case OMPD_interop: |
6305 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp interop' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp interop' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6306, __extension__ __PRETTY_FUNCTION__ )) |
6306 | "No associated statement allowed for 'omp interop' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp interop' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp interop' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6306, __extension__ __PRETTY_FUNCTION__ )); |
6307 | Res = ActOnOpenMPInteropDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6308 | break; |
6309 | case OMPD_dispatch: |
6310 | Res = ActOnOpenMPDispatchDirective(ClausesWithImplicit, AStmt, StartLoc, |
6311 | EndLoc); |
6312 | break; |
6313 | case OMPD_loop: |
6314 | Res = ActOnOpenMPGenericLoopDirective(ClausesWithImplicit, AStmt, StartLoc, |
6315 | EndLoc, VarsWithInheritedDSA); |
6316 | break; |
6317 | case OMPD_teams_loop: |
6318 | Res = ActOnOpenMPTeamsGenericLoopDirective( |
6319 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6320 | break; |
6321 | case OMPD_target_teams_loop: |
6322 | Res = ActOnOpenMPTargetTeamsGenericLoopDirective( |
6323 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6324 | break; |
6325 | case OMPD_parallel_loop: |
6326 | Res = ActOnOpenMPParallelGenericLoopDirective( |
6327 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6328 | break; |
6329 | case OMPD_target_parallel_loop: |
6330 | Res = ActOnOpenMPTargetParallelGenericLoopDirective( |
6331 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6332 | break; |
6333 | case OMPD_declare_target: |
6334 | case OMPD_end_declare_target: |
6335 | case OMPD_threadprivate: |
6336 | case OMPD_allocate: |
6337 | case OMPD_declare_reduction: |
6338 | case OMPD_declare_mapper: |
6339 | case OMPD_declare_simd: |
6340 | case OMPD_requires: |
6341 | case OMPD_declare_variant: |
6342 | case OMPD_begin_declare_variant: |
6343 | case OMPD_end_declare_variant: |
6344 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "clang/lib/Sema/SemaOpenMP.cpp", 6344); |
6345 | case OMPD_unknown: |
6346 | default: |
6347 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 6347); |
6348 | } |
6349 | |
6350 | ErrorFound = Res.isInvalid() || ErrorFound; |
6351 | |
6352 | // Check variables in the clauses if default(none) or |
6353 | // default(firstprivate) was specified. |
6354 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
6355 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { |
6356 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); |
6357 | for (OMPClause *C : Clauses) { |
6358 | switch (C->getClauseKind()) { |
6359 | case OMPC_num_threads: |
6360 | case OMPC_dist_schedule: |
6361 | // Do not analyse if no parent teams directive. |
6362 | if (isOpenMPTeamsDirective(Kind)) |
6363 | break; |
6364 | continue; |
6365 | case OMPC_if: |
6366 | if (isOpenMPTeamsDirective(Kind) && |
6367 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) |
6368 | break; |
6369 | if (isOpenMPParallelDirective(Kind) && |
6370 | isOpenMPTaskLoopDirective(Kind) && |
6371 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_parallel) |
6372 | break; |
6373 | continue; |
6374 | case OMPC_schedule: |
6375 | case OMPC_detach: |
6376 | break; |
6377 | case OMPC_grainsize: |
6378 | case OMPC_num_tasks: |
6379 | case OMPC_final: |
6380 | case OMPC_priority: |
6381 | case OMPC_novariants: |
6382 | case OMPC_nocontext: |
6383 | // Do not analyze if no parent parallel directive. |
6384 | if (isOpenMPParallelDirective(Kind)) |
6385 | break; |
6386 | continue; |
6387 | case OMPC_ordered: |
6388 | case OMPC_device: |
6389 | case OMPC_num_teams: |
6390 | case OMPC_thread_limit: |
6391 | case OMPC_hint: |
6392 | case OMPC_collapse: |
6393 | case OMPC_safelen: |
6394 | case OMPC_simdlen: |
6395 | case OMPC_sizes: |
6396 | case OMPC_default: |
6397 | case OMPC_proc_bind: |
6398 | case OMPC_private: |
6399 | case OMPC_firstprivate: |
6400 | case OMPC_lastprivate: |
6401 | case OMPC_shared: |
6402 | case OMPC_reduction: |
6403 | case OMPC_task_reduction: |
6404 | case OMPC_in_reduction: |
6405 | case OMPC_linear: |
6406 | case OMPC_aligned: |
6407 | case OMPC_copyin: |
6408 | case OMPC_copyprivate: |
6409 | case OMPC_nowait: |
6410 | case OMPC_untied: |
6411 | case OMPC_mergeable: |
6412 | case OMPC_allocate: |
6413 | case OMPC_read: |
6414 | case OMPC_write: |
6415 | case OMPC_update: |
6416 | case OMPC_capture: |
6417 | case OMPC_compare: |
6418 | case OMPC_seq_cst: |
6419 | case OMPC_acq_rel: |
6420 | case OMPC_acquire: |
6421 | case OMPC_release: |
6422 | case OMPC_relaxed: |
6423 | case OMPC_depend: |
6424 | case OMPC_threads: |
6425 | case OMPC_simd: |
6426 | case OMPC_map: |
6427 | case OMPC_nogroup: |
6428 | case OMPC_defaultmap: |
6429 | case OMPC_to: |
6430 | case OMPC_from: |
6431 | case OMPC_use_device_ptr: |
6432 | case OMPC_use_device_addr: |
6433 | case OMPC_is_device_ptr: |
6434 | case OMPC_has_device_addr: |
6435 | case OMPC_nontemporal: |
6436 | case OMPC_order: |
6437 | case OMPC_destroy: |
6438 | case OMPC_inclusive: |
6439 | case OMPC_exclusive: |
6440 | case OMPC_uses_allocators: |
6441 | case OMPC_affinity: |
6442 | case OMPC_bind: |
6443 | continue; |
6444 | case OMPC_allocator: |
6445 | case OMPC_flush: |
6446 | case OMPC_depobj: |
6447 | case OMPC_threadprivate: |
6448 | case OMPC_uniform: |
6449 | case OMPC_unknown: |
6450 | case OMPC_unified_address: |
6451 | case OMPC_unified_shared_memory: |
6452 | case OMPC_reverse_offload: |
6453 | case OMPC_dynamic_allocators: |
6454 | case OMPC_atomic_default_mem_order: |
6455 | case OMPC_device_type: |
6456 | case OMPC_match: |
6457 | case OMPC_when: |
6458 | default: |
6459 | llvm_unreachable("Unexpected clause")::llvm::llvm_unreachable_internal("Unexpected clause", "clang/lib/Sema/SemaOpenMP.cpp" , 6459); |
6460 | } |
6461 | for (Stmt *CC : C->children()) { |
6462 | if (CC) |
6463 | DSAChecker.Visit(CC); |
6464 | } |
6465 | } |
6466 | for (const auto &P : DSAChecker.getVarsWithInheritedDSA()) |
6467 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); |
6468 | } |
6469 | for (const auto &P : VarsWithInheritedDSA) { |
6470 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) |
6471 | continue; |
6472 | ErrorFound = true; |
6473 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
6474 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { |
6475 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) |
6476 | << P.first << P.second->getSourceRange(); |
6477 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); |
6478 | } else if (getLangOpts().OpenMP >= 50) { |
6479 | Diag(P.second->getExprLoc(), |
6480 | diag::err_omp_defaultmap_no_attr_for_variable) |
6481 | << P.first << P.second->getSourceRange(); |
6482 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), |
6483 | diag::note_omp_defaultmap_attr_none); |
6484 | } |
6485 | } |
6486 | |
6487 | if (!AllowedNameModifiers.empty()) |
6488 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || |
6489 | ErrorFound; |
6490 | |
6491 | if (ErrorFound) |
6492 | return StmtError(); |
6493 | |
6494 | if (!CurContext->isDependentContext() && |
6495 | isOpenMPTargetExecutionDirective(Kind) && |
6496 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || |
6497 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || |
6498 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || |
6499 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { |
6500 | // Register target to DSA Stack. |
6501 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); |
6502 | } |
6503 | |
6504 | return Res; |
6505 | } |
6506 | |
6507 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( |
6508 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, |
6509 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, |
6510 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, |
6511 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { |
6512 | assert(Aligneds.size() == Alignments.size())(static_cast <bool> (Aligneds.size() == Alignments.size ()) ? void (0) : __assert_fail ("Aligneds.size() == Alignments.size()" , "clang/lib/Sema/SemaOpenMP.cpp", 6512, __extension__ __PRETTY_FUNCTION__ )); |
6513 | assert(Linears.size() == LinModifiers.size())(static_cast <bool> (Linears.size() == LinModifiers.size ()) ? void (0) : __assert_fail ("Linears.size() == LinModifiers.size()" , "clang/lib/Sema/SemaOpenMP.cpp", 6513, __extension__ __PRETTY_FUNCTION__ )); |
6514 | assert(Linears.size() == Steps.size())(static_cast <bool> (Linears.size() == Steps.size()) ? void (0) : __assert_fail ("Linears.size() == Steps.size()", "clang/lib/Sema/SemaOpenMP.cpp" , 6514, __extension__ __PRETTY_FUNCTION__)); |
6515 | if (!DG || DG.get().isNull()) |
6516 | return DeclGroupPtrTy(); |
6517 | |
6518 | const int SimdId = 0; |
6519 | if (!DG.get().isSingleDecl()) { |
6520 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) |
6521 | << SimdId; |
6522 | return DG; |
6523 | } |
6524 | Decl *ADecl = DG.get().getSingleDecl(); |
6525 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) |
6526 | ADecl = FTD->getTemplatedDecl(); |
6527 | |
6528 | auto *FD = dyn_cast<FunctionDecl>(ADecl); |
6529 | if (!FD) { |
6530 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; |
6531 | return DeclGroupPtrTy(); |
6532 | } |
6533 | |
6534 | // OpenMP [2.8.2, declare simd construct, Description] |
6535 | // The parameter of the simdlen clause must be a constant positive integer |
6536 | // expression. |
6537 | ExprResult SL; |
6538 | if (Simdlen) |
6539 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); |
6540 | // OpenMP [2.8.2, declare simd construct, Description] |
6541 | // The special this pointer can be used as if was one of the arguments to the |
6542 | // function in any of the linear, aligned, or uniform clauses. |
6543 | // The uniform clause declares one or more arguments to have an invariant |
6544 | // value for all concurrent invocations of the function in the execution of a |
6545 | // single SIMD loop. |
6546 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; |
6547 | const Expr *UniformedLinearThis = nullptr; |
6548 | for (const Expr *E : Uniforms) { |
6549 | E = E->IgnoreParenImpCasts(); |
6550 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6551 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) |
6552 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6553 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6554 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { |
6555 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); |
6556 | continue; |
6557 | } |
6558 | if (isa<CXXThisExpr>(E)) { |
6559 | UniformedLinearThis = E; |
6560 | continue; |
6561 | } |
6562 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6563 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6564 | } |
6565 | // OpenMP [2.8.2, declare simd construct, Description] |
6566 | // The aligned clause declares that the object to which each list item points |
6567 | // is aligned to the number of bytes expressed in the optional parameter of |
6568 | // the aligned clause. |
6569 | // The special this pointer can be used as if was one of the arguments to the |
6570 | // function in any of the linear, aligned, or uniform clauses. |
6571 | // The type of list items appearing in the aligned clause must be array, |
6572 | // pointer, reference to array, or reference to pointer. |
6573 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; |
6574 | const Expr *AlignedThis = nullptr; |
6575 | for (const Expr *E : Aligneds) { |
6576 | E = E->IgnoreParenImpCasts(); |
6577 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6578 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6579 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6580 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6581 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6582 | ->getCanonicalDecl() == CanonPVD) { |
6583 | // OpenMP [2.8.1, simd construct, Restrictions] |
6584 | // A list-item cannot appear in more than one aligned clause. |
6585 | if (AlignedArgs.count(CanonPVD) > 0) { |
6586 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) |
6587 | << 1 << getOpenMPClauseName(OMPC_aligned) |
6588 | << E->getSourceRange(); |
6589 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), |
6590 | diag::note_omp_explicit_dsa) |
6591 | << getOpenMPClauseName(OMPC_aligned); |
6592 | continue; |
6593 | } |
6594 | AlignedArgs[CanonPVD] = E; |
6595 | QualType QTy = PVD->getType() |
6596 | .getNonReferenceType() |
6597 | .getUnqualifiedType() |
6598 | .getCanonicalType(); |
6599 | const Type *Ty = QTy.getTypePtrOrNull(); |
6600 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { |
6601 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) |
6602 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); |
6603 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; |
6604 | } |
6605 | continue; |
6606 | } |
6607 | } |
6608 | if (isa<CXXThisExpr>(E)) { |
6609 | if (AlignedThis) { |
6610 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) |
6611 | << 2 << getOpenMPClauseName(OMPC_aligned) << E->getSourceRange(); |
6612 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) |
6613 | << getOpenMPClauseName(OMPC_aligned); |
6614 | } |
6615 | AlignedThis = E; |
6616 | continue; |
6617 | } |
6618 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6619 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6620 | } |
6621 | // The optional parameter of the aligned clause, alignment, must be a constant |
6622 | // positive integer expression. If no optional parameter is specified, |
6623 | // implementation-defined default alignments for SIMD instructions on the |
6624 | // target platforms are assumed. |
6625 | SmallVector<const Expr *, 4> NewAligns; |
6626 | for (Expr *E : Alignments) { |
6627 | ExprResult Align; |
6628 | if (E) |
6629 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); |
6630 | NewAligns.push_back(Align.get()); |
6631 | } |
6632 | // OpenMP [2.8.2, declare simd construct, Description] |
6633 | // The linear clause declares one or more list items to be private to a SIMD |
6634 | // lane and to have a linear relationship with respect to the iteration space |
6635 | // of a loop. |
6636 | // The special this pointer can be used as if was one of the arguments to the |
6637 | // function in any of the linear, aligned, or uniform clauses. |
6638 | // When a linear-step expression is specified in a linear clause it must be |
6639 | // either a constant integer expression or an integer-typed parameter that is |
6640 | // specified in a uniform clause on the directive. |
6641 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; |
6642 | const bool IsUniformedThis = UniformedLinearThis != nullptr; |
6643 | auto MI = LinModifiers.begin(); |
6644 | for (const Expr *E : Linears) { |
6645 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); |
6646 | ++MI; |
6647 | E = E->IgnoreParenImpCasts(); |
6648 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6649 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6650 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6651 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6652 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6653 | ->getCanonicalDecl() == CanonPVD) { |
6654 | // OpenMP [2.15.3.7, linear Clause, Restrictions] |
6655 | // A list-item cannot appear in more than one linear clause. |
6656 | if (LinearArgs.count(CanonPVD) > 0) { |
6657 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
6658 | << getOpenMPClauseName(OMPC_linear) |
6659 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); |
6660 | Diag(LinearArgs[CanonPVD]->getExprLoc(), |
6661 | diag::note_omp_explicit_dsa) |
6662 | << getOpenMPClauseName(OMPC_linear); |
6663 | continue; |
6664 | } |
6665 | // Each argument can appear in at most one uniform or linear clause. |
6666 | if (UniformedArgs.count(CanonPVD) > 0) { |
6667 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
6668 | << getOpenMPClauseName(OMPC_linear) |
6669 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); |
6670 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), |
6671 | diag::note_omp_explicit_dsa) |
6672 | << getOpenMPClauseName(OMPC_uniform); |
6673 | continue; |
6674 | } |
6675 | LinearArgs[CanonPVD] = E; |
6676 | if (E->isValueDependent() || E->isTypeDependent() || |
6677 | E->isInstantiationDependent() || |
6678 | E->containsUnexpandedParameterPack()) |
6679 | continue; |
6680 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, |
6681 | PVD->getOriginalType(), |
6682 | /*IsDeclareSimd=*/true); |
6683 | continue; |
6684 | } |
6685 | } |
6686 | if (isa<CXXThisExpr>(E)) { |
6687 | if (UniformedLinearThis) { |
6688 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
6689 | << getOpenMPClauseName(OMPC_linear) |
6690 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) |
6691 | << E->getSourceRange(); |
6692 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) |
6693 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform |
6694 | : OMPC_linear); |
6695 | continue; |
6696 | } |
6697 | UniformedLinearThis = E; |
6698 | if (E->isValueDependent() || E->isTypeDependent() || |
6699 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
6700 | continue; |
6701 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, |
6702 | E->getType(), /*IsDeclareSimd=*/true); |
6703 | continue; |
6704 | } |
6705 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6706 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6707 | } |
6708 | Expr *Step = nullptr; |
6709 | Expr *NewStep = nullptr; |
6710 | SmallVector<Expr *, 4> NewSteps; |
6711 | for (Expr *E : Steps) { |
6712 | // Skip the same step expression, it was checked already. |
6713 | if (Step == E || !E) { |
6714 | NewSteps.push_back(E ? NewStep : nullptr); |
6715 | continue; |
6716 | } |
6717 | Step = E; |
6718 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) |
6719 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6720 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6721 | if (UniformedArgs.count(CanonPVD) == 0) { |
6722 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) |
6723 | << Step->getSourceRange(); |
6724 | } else if (E->isValueDependent() || E->isTypeDependent() || |
6725 | E->isInstantiationDependent() || |
6726 | E->containsUnexpandedParameterPack() || |
6727 | CanonPVD->getType()->hasIntegerRepresentation()) { |
6728 | NewSteps.push_back(Step); |
6729 | } else { |
6730 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) |
6731 | << Step->getSourceRange(); |
6732 | } |
6733 | continue; |
6734 | } |
6735 | NewStep = Step; |
6736 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && |
6737 | !Step->isInstantiationDependent() && |
6738 | !Step->containsUnexpandedParameterPack()) { |
6739 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) |
6740 | .get(); |
6741 | if (NewStep) |
6742 | NewStep = |
6743 | VerifyIntegerConstantExpression(NewStep, /*FIXME*/ AllowFold).get(); |
6744 | } |
6745 | NewSteps.push_back(NewStep); |
6746 | } |
6747 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( |
6748 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), |
6749 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), |
6750 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), |
6751 | const_cast<Expr **>(Linears.data()), Linears.size(), |
6752 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), |
6753 | NewSteps.data(), NewSteps.size(), SR); |
6754 | ADecl->addAttr(NewAttr); |
6755 | return DG; |
6756 | } |
6757 | |
6758 | static void setPrototype(Sema &S, FunctionDecl *FD, FunctionDecl *FDWithProto, |
6759 | QualType NewType) { |
6760 | assert(NewType->isFunctionProtoType() &&(static_cast <bool> (NewType->isFunctionProtoType() && "Expected function type with prototype.") ? void (0) : __assert_fail ("NewType->isFunctionProtoType() && \"Expected function type with prototype.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6761, __extension__ __PRETTY_FUNCTION__ )) |
6761 | "Expected function type with prototype.")(static_cast <bool> (NewType->isFunctionProtoType() && "Expected function type with prototype.") ? void (0) : __assert_fail ("NewType->isFunctionProtoType() && \"Expected function type with prototype.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6761, __extension__ __PRETTY_FUNCTION__ )); |
6762 | assert(FD->getType()->isFunctionNoProtoType() &&(static_cast <bool> (FD->getType()->isFunctionNoProtoType () && "Expected function with type with no prototype." ) ? void (0) : __assert_fail ("FD->getType()->isFunctionNoProtoType() && \"Expected function with type with no prototype.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6763, __extension__ __PRETTY_FUNCTION__ )) |
6763 | "Expected function with type with no prototype.")(static_cast <bool> (FD->getType()->isFunctionNoProtoType () && "Expected function with type with no prototype." ) ? void (0) : __assert_fail ("FD->getType()->isFunctionNoProtoType() && \"Expected function with type with no prototype.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6763, __extension__ __PRETTY_FUNCTION__ )); |
6764 | assert(FDWithProto->getType()->isFunctionProtoType() &&(static_cast <bool> (FDWithProto->getType()->isFunctionProtoType () && "Expected function with prototype.") ? void (0) : __assert_fail ("FDWithProto->getType()->isFunctionProtoType() && \"Expected function with prototype.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6765, __extension__ __PRETTY_FUNCTION__ )) |
6765 | "Expected function with prototype.")(static_cast <bool> (FDWithProto->getType()->isFunctionProtoType () && "Expected function with prototype.") ? void (0) : __assert_fail ("FDWithProto->getType()->isFunctionProtoType() && \"Expected function with prototype.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6765, __extension__ __PRETTY_FUNCTION__ )); |
6766 | // Synthesize parameters with the same types. |
6767 | FD->setType(NewType); |
6768 | SmallVector<ParmVarDecl *, 16> Params; |
6769 | for (const ParmVarDecl *P : FDWithProto->parameters()) { |
6770 | auto *Param = ParmVarDecl::Create(S.getASTContext(), FD, SourceLocation(), |
6771 | SourceLocation(), nullptr, P->getType(), |
6772 | /*TInfo=*/nullptr, SC_None, nullptr); |
6773 | Param->setScopeInfo(0, Params.size()); |
6774 | Param->setImplicit(); |
6775 | Params.push_back(Param); |
6776 | } |
6777 | |
6778 | FD->setParams(Params); |
6779 | } |
6780 | |
6781 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPAssumeScope(Decl *D) { |
6782 | if (D->isInvalidDecl()) |
6783 | return; |
6784 | FunctionDecl *FD = nullptr; |
6785 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) |
6786 | FD = UTemplDecl->getTemplatedDecl(); |
6787 | else |
6788 | FD = cast<FunctionDecl>(D); |
6789 | assert(FD && "Expected a function declaration!")(static_cast <bool> (FD && "Expected a function declaration!" ) ? void (0) : __assert_fail ("FD && \"Expected a function declaration!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6789, __extension__ __PRETTY_FUNCTION__ )); |
6790 | |
6791 | // If we are instantiating templates we do *not* apply scoped assumptions but |
6792 | // only global ones. We apply scoped assumption to the template definition |
6793 | // though. |
6794 | if (!inTemplateInstantiation()) { |
6795 | for (AssumptionAttr *AA : OMPAssumeScoped) |
6796 | FD->addAttr(AA); |
6797 | } |
6798 | for (AssumptionAttr *AA : OMPAssumeGlobal) |
6799 | FD->addAttr(AA); |
6800 | } |
6801 | |
6802 | Sema::OMPDeclareVariantScope::OMPDeclareVariantScope(OMPTraitInfo &TI) |
6803 | : TI(&TI), NameSuffix(TI.getMangledName()) {} |
6804 | |
6805 | void Sema::ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( |
6806 | Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists, |
6807 | SmallVectorImpl<FunctionDecl *> &Bases) { |
6808 | if (!D.getIdentifier()) |
6809 | return; |
6810 | |
6811 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); |
6812 | |
6813 | // Template specialization is an extension, check if we do it. |
6814 | bool IsTemplated = !TemplateParamLists.empty(); |
6815 | if (IsTemplated & |
6816 | !DVScope.TI->isExtensionActive( |
6817 | llvm::omp::TraitProperty::implementation_extension_allow_templates)) |
6818 | return; |
6819 | |
6820 | IdentifierInfo *BaseII = D.getIdentifier(); |
6821 | LookupResult Lookup(*this, DeclarationName(BaseII), D.getIdentifierLoc(), |
6822 | LookupOrdinaryName); |
6823 | LookupParsedName(Lookup, S, &D.getCXXScopeSpec()); |
6824 | |
6825 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); |
6826 | QualType FType = TInfo->getType(); |
6827 | |
6828 | bool IsConstexpr = |
6829 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Constexpr; |
6830 | bool IsConsteval = |
6831 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Consteval; |
6832 | |
6833 | for (auto *Candidate : Lookup) { |
6834 | auto *CandidateDecl = Candidate->getUnderlyingDecl(); |
6835 | FunctionDecl *UDecl = nullptr; |
6836 | if (IsTemplated && isa<FunctionTemplateDecl>(CandidateDecl)) { |
6837 | auto *FTD = cast<FunctionTemplateDecl>(CandidateDecl); |
6838 | if (FTD->getTemplateParameters()->size() == TemplateParamLists.size()) |
6839 | UDecl = FTD->getTemplatedDecl(); |
6840 | } else if (!IsTemplated) |
6841 | UDecl = dyn_cast<FunctionDecl>(CandidateDecl); |
6842 | if (!UDecl) |
6843 | continue; |
6844 | |
6845 | // Don't specialize constexpr/consteval functions with |
6846 | // non-constexpr/consteval functions. |
6847 | if (UDecl->isConstexpr() && !IsConstexpr) |
6848 | continue; |
6849 | if (UDecl->isConsteval() && !IsConsteval) |
6850 | continue; |
6851 | |
6852 | QualType UDeclTy = UDecl->getType(); |
6853 | if (!UDeclTy->isDependentType()) { |
6854 | QualType NewType = Context.mergeFunctionTypes( |
6855 | FType, UDeclTy, /* OfBlockPointer */ false, |
6856 | /* Unqualified */ false, /* AllowCXX */ true); |
6857 | if (NewType.isNull()) |
6858 | continue; |
6859 | } |
6860 | |
6861 | // Found a base! |
6862 | Bases.push_back(UDecl); |
6863 | } |
6864 | |
6865 | bool UseImplicitBase = !DVScope.TI->isExtensionActive( |
6866 | llvm::omp::TraitProperty::implementation_extension_disable_implicit_base); |
6867 | // If no base was found we create a declaration that we use as base. |
6868 | if (Bases.empty() && UseImplicitBase) { |
6869 | D.setFunctionDefinitionKind(FunctionDefinitionKind::Declaration); |
6870 | Decl *BaseD = HandleDeclarator(S, D, TemplateParamLists); |
6871 | BaseD->setImplicit(true); |
6872 | if (auto *BaseTemplD = dyn_cast<FunctionTemplateDecl>(BaseD)) |
6873 | Bases.push_back(BaseTemplD->getTemplatedDecl()); |
6874 | else |
6875 | Bases.push_back(cast<FunctionDecl>(BaseD)); |
6876 | } |
6877 | |
6878 | std::string MangledName; |
6879 | MangledName += D.getIdentifier()->getName(); |
6880 | MangledName += getOpenMPVariantManglingSeparatorStr(); |
6881 | MangledName += DVScope.NameSuffix; |
6882 | IdentifierInfo &VariantII = Context.Idents.get(MangledName); |
6883 | |
6884 | VariantII.setMangledOpenMPVariantName(true); |
6885 | D.SetIdentifier(&VariantII, D.getBeginLoc()); |
6886 | } |
6887 | |
6888 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPDeclareVariantScope( |
6889 | Decl *D, SmallVectorImpl<FunctionDecl *> &Bases) { |
6890 | // Do not mark function as is used to prevent its emission if this is the |
6891 | // only place where it is used. |
6892 | EnterExpressionEvaluationContext Unevaluated( |
6893 | *this, Sema::ExpressionEvaluationContext::Unevaluated); |
6894 | |
6895 | FunctionDecl *FD = nullptr; |
6896 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) |
6897 | FD = UTemplDecl->getTemplatedDecl(); |
6898 | else |
6899 | FD = cast<FunctionDecl>(D); |
6900 | auto *VariantFuncRef = DeclRefExpr::Create( |
6901 | Context, NestedNameSpecifierLoc(), SourceLocation(), FD, |
6902 | /* RefersToEnclosingVariableOrCapture */ false, |
6903 | /* NameLoc */ FD->getLocation(), FD->getType(), |
6904 | ExprValueKind::VK_PRValue); |
6905 | |
6906 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); |
6907 | auto *OMPDeclareVariantA = OMPDeclareVariantAttr::CreateImplicit( |
6908 | Context, VariantFuncRef, DVScope.TI, |
6909 | /*NothingArgs=*/nullptr, /*NothingArgsSize=*/0, |
6910 | /*NeedDevicePtrArgs=*/nullptr, /*NeedDevicePtrArgsSize=*/0, |
6911 | /*AppendArgs=*/nullptr, /*AppendArgsSize=*/0); |
6912 | for (FunctionDecl *BaseFD : Bases) |
6913 | BaseFD->addAttr(OMPDeclareVariantA); |
6914 | } |
6915 | |
6916 | ExprResult Sema::ActOnOpenMPCall(ExprResult Call, Scope *Scope, |
6917 | SourceLocation LParenLoc, |
6918 | MultiExprArg ArgExprs, |
6919 | SourceLocation RParenLoc, Expr *ExecConfig) { |
6920 | // The common case is a regular call we do not want to specialize at all. Try |
6921 | // to make that case fast by bailing early. |
6922 | CallExpr *CE = dyn_cast<CallExpr>(Call.get()); |
6923 | if (!CE) |
6924 | return Call; |
6925 | |
6926 | FunctionDecl *CalleeFnDecl = CE->getDirectCallee(); |
6927 | if (!CalleeFnDecl) |
6928 | return Call; |
6929 | |
6930 | if (!CalleeFnDecl->hasAttr<OMPDeclareVariantAttr>()) |
6931 | return Call; |
6932 | |
6933 | ASTContext &Context = getASTContext(); |
6934 | std::function<void(StringRef)> DiagUnknownTrait = [this, |
6935 | CE](StringRef ISATrait) { |
6936 | // TODO Track the selector locations in a way that is accessible here to |
6937 | // improve the diagnostic location. |
6938 | Diag(CE->getBeginLoc(), diag::warn_unknown_declare_variant_isa_trait) |
6939 | << ISATrait; |
6940 | }; |
6941 | TargetOMPContext OMPCtx(Context, std::move(DiagUnknownTrait), |
6942 | getCurFunctionDecl(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructTraits()); |
6943 | |
6944 | QualType CalleeFnType = CalleeFnDecl->getType(); |
6945 | |
6946 | SmallVector<Expr *, 4> Exprs; |
6947 | SmallVector<VariantMatchInfo, 4> VMIs; |
6948 | while (CalleeFnDecl) { |
6949 | for (OMPDeclareVariantAttr *A : |
6950 | CalleeFnDecl->specific_attrs<OMPDeclareVariantAttr>()) { |
6951 | Expr *VariantRef = A->getVariantFuncRef(); |
6952 | |
6953 | VariantMatchInfo VMI; |
6954 | OMPTraitInfo &TI = A->getTraitInfo(); |
6955 | TI.getAsVariantMatchInfo(Context, VMI); |
6956 | if (!isVariantApplicableInContext(VMI, OMPCtx, |
6957 | /* DeviceSetOnly */ false)) |
6958 | continue; |
6959 | |
6960 | VMIs.push_back(VMI); |
6961 | Exprs.push_back(VariantRef); |
6962 | } |
6963 | |
6964 | CalleeFnDecl = CalleeFnDecl->getPreviousDecl(); |
6965 | } |
6966 | |
6967 | ExprResult NewCall; |
6968 | do { |
6969 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); |
6970 | if (BestIdx < 0) |
6971 | return Call; |
6972 | Expr *BestExpr = cast<DeclRefExpr>(Exprs[BestIdx]); |
6973 | Decl *BestDecl = cast<DeclRefExpr>(BestExpr)->getDecl(); |
6974 | |
6975 | { |
6976 | // Try to build a (member) call expression for the current best applicable |
6977 | // variant expression. We allow this to fail in which case we continue |
6978 | // with the next best variant expression. The fail case is part of the |
6979 | // implementation defined behavior in the OpenMP standard when it talks |
6980 | // about what differences in the function prototypes: "Any differences |
6981 | // that the specific OpenMP context requires in the prototype of the |
6982 | // variant from the base function prototype are implementation defined." |
6983 | // This wording is there to allow the specialized variant to have a |
6984 | // different type than the base function. This is intended and OK but if |
6985 | // we cannot create a call the difference is not in the "implementation |
6986 | // defined range" we allow. |
6987 | Sema::TentativeAnalysisScope Trap(*this); |
6988 | |
6989 | if (auto *SpecializedMethod = dyn_cast<CXXMethodDecl>(BestDecl)) { |
6990 | auto *MemberCall = dyn_cast<CXXMemberCallExpr>(CE); |
6991 | BestExpr = MemberExpr::CreateImplicit( |
6992 | Context, MemberCall->getImplicitObjectArgument(), |
6993 | /* IsArrow */ false, SpecializedMethod, Context.BoundMemberTy, |
6994 | MemberCall->getValueKind(), MemberCall->getObjectKind()); |
6995 | } |
6996 | NewCall = BuildCallExpr(Scope, BestExpr, LParenLoc, ArgExprs, RParenLoc, |
6997 | ExecConfig); |
6998 | if (NewCall.isUsable()) { |
6999 | if (CallExpr *NCE = dyn_cast<CallExpr>(NewCall.get())) { |
7000 | FunctionDecl *NewCalleeFnDecl = NCE->getDirectCallee(); |
7001 | QualType NewType = Context.mergeFunctionTypes( |
7002 | CalleeFnType, NewCalleeFnDecl->getType(), |
7003 | /* OfBlockPointer */ false, |
7004 | /* Unqualified */ false, /* AllowCXX */ true); |
7005 | if (!NewType.isNull()) |
7006 | break; |
7007 | // Don't use the call if the function type was not compatible. |
7008 | NewCall = nullptr; |
7009 | } |
7010 | } |
7011 | } |
7012 | |
7013 | VMIs.erase(VMIs.begin() + BestIdx); |
7014 | Exprs.erase(Exprs.begin() + BestIdx); |
7015 | } while (!VMIs.empty()); |
7016 | |
7017 | if (!NewCall.isUsable()) |
7018 | return Call; |
7019 | return PseudoObjectExpr::Create(Context, CE, {NewCall.get()}, 0); |
7020 | } |
7021 | |
7022 | Optional<std::pair<FunctionDecl *, Expr *>> |
7023 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, |
7024 | Expr *VariantRef, OMPTraitInfo &TI, |
7025 | unsigned NumAppendArgs, |
7026 | SourceRange SR) { |
7027 | if (!DG || DG.get().isNull()) |
7028 | return None; |
7029 | |
7030 | const int VariantId = 1; |
7031 | // Must be applied only to single decl. |
7032 | if (!DG.get().isSingleDecl()) { |
7033 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) |
7034 | << VariantId << SR; |
7035 | return None; |
7036 | } |
7037 | Decl *ADecl = DG.get().getSingleDecl(); |
7038 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) |
7039 | ADecl = FTD->getTemplatedDecl(); |
7040 | |
7041 | // Decl must be a function. |
7042 | auto *FD = dyn_cast<FunctionDecl>(ADecl); |
7043 | if (!FD) { |
7044 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) |
7045 | << VariantId << SR; |
7046 | return None; |
7047 | } |
7048 | |
7049 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { |
7050 | // The 'target' attribute needs to be separately checked because it does |
7051 | // not always signify a multiversion function declaration. |
7052 | return FD->isMultiVersion() || FD->hasAttr<TargetAttr>(); |
7053 | }; |
7054 | // OpenMP is not compatible with multiversion function attributes. |
7055 | if (HasMultiVersionAttributes(FD)) { |
7056 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) |
7057 | << SR; |
7058 | return None; |
7059 | } |
7060 | |
7061 | // Allow #pragma omp declare variant only if the function is not used. |
7062 | if (FD->isUsed(false)) |
7063 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) |
7064 | << FD->getLocation(); |
7065 | |
7066 | // Check if the function was emitted already. |
7067 | const FunctionDecl *Definition; |
7068 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && |
7069 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) |
7070 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) |
7071 | << FD->getLocation(); |
7072 | |
7073 | // The VariantRef must point to function. |
7074 | if (!VariantRef) { |
7075 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; |
7076 | return None; |
7077 | } |
7078 | |
7079 | auto ShouldDelayChecks = [](Expr *&E, bool) { |
7080 | return E && (E->isTypeDependent() || E->isValueDependent() || |
7081 | E->containsUnexpandedParameterPack() || |
7082 | E->isInstantiationDependent()); |
7083 | }; |
7084 | // Do not check templates, wait until instantiation. |
7085 | if (FD->isDependentContext() || ShouldDelayChecks(VariantRef, false) || |
7086 | TI.anyScoreOrCondition(ShouldDelayChecks)) |
7087 | return std::make_pair(FD, VariantRef); |
7088 | |
7089 | // Deal with non-constant score and user condition expressions. |
7090 | auto HandleNonConstantScoresAndConditions = [this](Expr *&E, |
7091 | bool IsScore) -> bool { |
7092 | if (!E || E->isIntegerConstantExpr(Context)) |
7093 | return false; |
7094 | |
7095 | if (IsScore) { |
7096 | // We warn on non-constant scores and pretend they were not present. |
7097 | Diag(E->getExprLoc(), diag::warn_omp_declare_variant_score_not_constant) |
7098 | << E; |
7099 | E = nullptr; |
7100 | } else { |
7101 | // We could replace a non-constant user condition with "false" but we |
7102 | // will soon need to handle these anyway for the dynamic version of |
7103 | // OpenMP context selectors. |
7104 | Diag(E->getExprLoc(), |
7105 | diag::err_omp_declare_variant_user_condition_not_constant) |
7106 | << E; |
7107 | } |
7108 | return true; |
7109 | }; |
7110 | if (TI.anyScoreOrCondition(HandleNonConstantScoresAndConditions)) |
7111 | return None; |
7112 | |
7113 | QualType AdjustedFnType = FD->getType(); |
7114 | if (NumAppendArgs) { |
7115 | const auto *PTy = AdjustedFnType->getAsAdjusted<FunctionProtoType>(); |
7116 | if (!PTy) { |
7117 | Diag(FD->getLocation(), diag::err_omp_declare_variant_prototype_required) |
7118 | << SR; |
7119 | return None; |
7120 | } |
7121 | // Adjust the function type to account for an extra omp_interop_t for each |
7122 | // specified in the append_args clause. |
7123 | const TypeDecl *TD = nullptr; |
7124 | LookupResult Result(*this, &Context.Idents.get("omp_interop_t"), |
7125 | SR.getBegin(), Sema::LookupOrdinaryName); |
7126 | if (LookupName(Result, getCurScope())) { |
7127 | NamedDecl *ND = Result.getFoundDecl(); |
7128 | TD = dyn_cast_or_null<TypeDecl>(ND); |
7129 | } |
7130 | if (!TD) { |
7131 | Diag(SR.getBegin(), diag::err_omp_interop_type_not_found) << SR; |
7132 | return None; |
7133 | } |
7134 | QualType InteropType = Context.getTypeDeclType(TD); |
7135 | if (PTy->isVariadic()) { |
7136 | Diag(FD->getLocation(), diag::err_omp_append_args_with_varargs) << SR; |
7137 | return None; |
7138 | } |
7139 | llvm::SmallVector<QualType, 8> Params; |
7140 | Params.append(PTy->param_type_begin(), PTy->param_type_end()); |
7141 | Params.insert(Params.end(), NumAppendArgs, InteropType); |
7142 | AdjustedFnType = Context.getFunctionType(PTy->getReturnType(), Params, |
7143 | PTy->getExtProtoInfo()); |
7144 | } |
7145 | |
7146 | // Convert VariantRef expression to the type of the original function to |
7147 | // resolve possible conflicts. |
7148 | ExprResult VariantRefCast = VariantRef; |
7149 | if (LangOpts.CPlusPlus) { |
7150 | QualType FnPtrType; |
7151 | auto *Method = dyn_cast<CXXMethodDecl>(FD); |
7152 | if (Method && !Method->isStatic()) { |
7153 | const Type *ClassType = |
7154 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); |
7155 | FnPtrType = Context.getMemberPointerType(AdjustedFnType, ClassType); |
7156 | ExprResult ER; |
7157 | { |
7158 | // Build adrr_of unary op to correctly handle type checks for member |
7159 | // functions. |
7160 | Sema::TentativeAnalysisScope Trap(*this); |
7161 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, |
7162 | VariantRef); |
7163 | } |
7164 | if (!ER.isUsable()) { |
7165 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7166 | << VariantId << VariantRef->getSourceRange(); |
7167 | return None; |
7168 | } |
7169 | VariantRef = ER.get(); |
7170 | } else { |
7171 | FnPtrType = Context.getPointerType(AdjustedFnType); |
7172 | } |
7173 | QualType VarianPtrType = Context.getPointerType(VariantRef->getType()); |
7174 | if (VarianPtrType.getUnqualifiedType() != FnPtrType.getUnqualifiedType()) { |
7175 | ImplicitConversionSequence ICS = TryImplicitConversion( |
7176 | VariantRef, FnPtrType.getUnqualifiedType(), |
7177 | /*SuppressUserConversions=*/false, AllowedExplicit::None, |
7178 | /*InOverloadResolution=*/false, |
7179 | /*CStyle=*/false, |
7180 | /*AllowObjCWritebackConversion=*/false); |
7181 | if (ICS.isFailure()) { |
7182 | Diag(VariantRef->getExprLoc(), |
7183 | diag::err_omp_declare_variant_incompat_types) |
7184 | << VariantRef->getType() |
7185 | << ((Method && !Method->isStatic()) ? FnPtrType : FD->getType()) |
7186 | << (NumAppendArgs ? 1 : 0) << VariantRef->getSourceRange(); |
7187 | return None; |
7188 | } |
7189 | VariantRefCast = PerformImplicitConversion( |
7190 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); |
7191 | if (!VariantRefCast.isUsable()) |
7192 | return None; |
7193 | } |
7194 | // Drop previously built artificial addr_of unary op for member functions. |
7195 | if (Method && !Method->isStatic()) { |
7196 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); |
7197 | if (auto *UO = dyn_cast<UnaryOperator>( |
7198 | PossibleAddrOfVariantRef->IgnoreImplicit())) |
7199 | VariantRefCast = UO->getSubExpr(); |
7200 | } |
7201 | } |
7202 | |
7203 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); |
7204 | if (!ER.isUsable() || |
7205 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { |
7206 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7207 | << VariantId << VariantRef->getSourceRange(); |
7208 | return None; |
7209 | } |
7210 | |
7211 | // The VariantRef must point to function. |
7212 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); |
7213 | if (!DRE) { |
7214 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7215 | << VariantId << VariantRef->getSourceRange(); |
7216 | return None; |
7217 | } |
7218 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); |
7219 | if (!NewFD) { |
7220 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7221 | << VariantId << VariantRef->getSourceRange(); |
7222 | return None; |
7223 | } |
7224 | |
7225 | if (FD->getCanonicalDecl() == NewFD->getCanonicalDecl()) { |
7226 | Diag(VariantRef->getExprLoc(), |
7227 | diag::err_omp_declare_variant_same_base_function) |
7228 | << VariantRef->getSourceRange(); |
7229 | return None; |
7230 | } |
7231 | |
7232 | // Check if function types are compatible in C. |
7233 | if (!LangOpts.CPlusPlus) { |
7234 | QualType NewType = |
7235 | Context.mergeFunctionTypes(AdjustedFnType, NewFD->getType()); |
7236 | if (NewType.isNull()) { |
7237 | Diag(VariantRef->getExprLoc(), |
7238 | diag::err_omp_declare_variant_incompat_types) |
7239 | << NewFD->getType() << FD->getType() << (NumAppendArgs ? 1 : 0) |
7240 | << VariantRef->getSourceRange(); |
7241 | return None; |
7242 | } |
7243 | if (NewType->isFunctionProtoType()) { |
7244 | if (FD->getType()->isFunctionNoProtoType()) |
7245 | setPrototype(*this, FD, NewFD, NewType); |
7246 | else if (NewFD->getType()->isFunctionNoProtoType()) |
7247 | setPrototype(*this, NewFD, FD, NewType); |
7248 | } |
7249 | } |
7250 | |
7251 | // Check if variant function is not marked with declare variant directive. |
7252 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { |
7253 | Diag(VariantRef->getExprLoc(), |
7254 | diag::warn_omp_declare_variant_marked_as_declare_variant) |
7255 | << VariantRef->getSourceRange(); |
7256 | SourceRange SR = |
7257 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); |
7258 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; |
7259 | return None; |
7260 | } |
7261 | |
7262 | enum DoesntSupport { |
7263 | VirtFuncs = 1, |
7264 | Constructors = 3, |
7265 | Destructors = 4, |
7266 | DeletedFuncs = 5, |
7267 | DefaultedFuncs = 6, |
7268 | ConstexprFuncs = 7, |
7269 | ConstevalFuncs = 8, |
7270 | }; |
7271 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { |
7272 | if (CXXFD->isVirtual()) { |
7273 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7274 | << VirtFuncs; |
7275 | return None; |
7276 | } |
7277 | |
7278 | if (isa<CXXConstructorDecl>(FD)) { |
7279 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7280 | << Constructors; |
7281 | return None; |
7282 | } |
7283 | |
7284 | if (isa<CXXDestructorDecl>(FD)) { |
7285 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7286 | << Destructors; |
7287 | return None; |
7288 | } |
7289 | } |
7290 | |
7291 | if (FD->isDeleted()) { |
7292 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7293 | << DeletedFuncs; |
7294 | return None; |
7295 | } |
7296 | |
7297 | if (FD->isDefaulted()) { |
7298 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7299 | << DefaultedFuncs; |
7300 | return None; |
7301 | } |
7302 | |
7303 | if (FD->isConstexpr()) { |
7304 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7305 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); |
7306 | return None; |
7307 | } |
7308 | |
7309 | // Check general compatibility. |
7310 | if (areMultiversionVariantFunctionsCompatible( |
7311 | FD, NewFD, PartialDiagnostic::NullDiagnostic(), |
7312 | PartialDiagnosticAt(SourceLocation(), |
7313 | PartialDiagnostic::NullDiagnostic()), |
7314 | PartialDiagnosticAt( |
7315 | VariantRef->getExprLoc(), |
7316 | PDiag(diag::err_omp_declare_variant_doesnt_support)), |
7317 | PartialDiagnosticAt(VariantRef->getExprLoc(), |
7318 | PDiag(diag::err_omp_declare_variant_diff) |
7319 | << FD->getLocation()), |
7320 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false, |
7321 | /*CLinkageMayDiffer=*/true)) |
7322 | return None; |
7323 | return std::make_pair(FD, cast<Expr>(DRE)); |
7324 | } |
7325 | |
7326 | void Sema::ActOnOpenMPDeclareVariantDirective( |
7327 | FunctionDecl *FD, Expr *VariantRef, OMPTraitInfo &TI, |
7328 | ArrayRef<Expr *> AdjustArgsNothing, |
7329 | ArrayRef<Expr *> AdjustArgsNeedDevicePtr, |
7330 | ArrayRef<OMPDeclareVariantAttr::InteropType> AppendArgs, |
7331 | SourceLocation AdjustArgsLoc, SourceLocation AppendArgsLoc, |
7332 | SourceRange SR) { |
7333 | |
7334 | // OpenMP 5.1 [2.3.5, declare variant directive, Restrictions] |
7335 | // An adjust_args clause or append_args clause can only be specified if the |
7336 | // dispatch selector of the construct selector set appears in the match |
7337 | // clause. |
7338 | |
7339 | SmallVector<Expr *, 8> AllAdjustArgs; |
7340 | llvm::append_range(AllAdjustArgs, AdjustArgsNothing); |
7341 | llvm::append_range(AllAdjustArgs, AdjustArgsNeedDevicePtr); |
7342 | |
7343 | if (!AllAdjustArgs.empty() || !AppendArgs.empty()) { |
7344 | VariantMatchInfo VMI; |
7345 | TI.getAsVariantMatchInfo(Context, VMI); |
7346 | if (!llvm::is_contained( |
7347 | VMI.ConstructTraits, |
7348 | llvm::omp::TraitProperty::construct_dispatch_dispatch)) { |
7349 | if (!AllAdjustArgs.empty()) |
7350 | Diag(AdjustArgsLoc, diag::err_omp_clause_requires_dispatch_construct) |
7351 | << getOpenMPClauseName(OMPC_adjust_args); |
7352 | if (!AppendArgs.empty()) |
7353 | Diag(AppendArgsLoc, diag::err_omp_clause_requires_dispatch_construct) |
7354 | << getOpenMPClauseName(OMPC_append_args); |
7355 | return; |
7356 | } |
7357 | } |
7358 | |
7359 | // OpenMP 5.1 [2.3.5, declare variant directive, Restrictions] |
7360 | // Each argument can only appear in a single adjust_args clause for each |
7361 | // declare variant directive. |
7362 | llvm::SmallPtrSet<const VarDecl *, 4> AdjustVars; |
7363 | |
7364 | for (Expr *E : AllAdjustArgs) { |
7365 | E = E->IgnoreParenImpCasts(); |
7366 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) { |
7367 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
7368 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
7369 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
7370 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
7371 | ->getCanonicalDecl() == CanonPVD) { |
7372 | // It's a parameter of the function, check duplicates. |
7373 | if (!AdjustVars.insert(CanonPVD).second) { |
7374 | Diag(DRE->getLocation(), diag::err_omp_adjust_arg_multiple_clauses) |
7375 | << PVD; |
7376 | return; |
7377 | } |
7378 | continue; |
7379 | } |
7380 | } |
7381 | } |
7382 | // Anything that is not a function parameter is an error. |
7383 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) << FD << 0; |
7384 | return; |
7385 | } |
7386 | |
7387 | auto *NewAttr = OMPDeclareVariantAttr::CreateImplicit( |
7388 | Context, VariantRef, &TI, const_cast<Expr **>(AdjustArgsNothing.data()), |
7389 | AdjustArgsNothing.size(), |
7390 | const_cast<Expr **>(AdjustArgsNeedDevicePtr.data()), |
7391 | AdjustArgsNeedDevicePtr.size(), |
7392 | const_cast<OMPDeclareVariantAttr::InteropType *>(AppendArgs.data()), |
7393 | AppendArgs.size(), SR); |
7394 | FD->addAttr(NewAttr); |
7395 | } |
7396 | |
7397 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, |
7398 | Stmt *AStmt, |
7399 | SourceLocation StartLoc, |
7400 | SourceLocation EndLoc) { |
7401 | if (!AStmt) |
7402 | return StmtError(); |
7403 | |
7404 | auto *CS = cast<CapturedStmt>(AStmt); |
7405 | // 1.2.2 OpenMP Language Terminology |
7406 | // Structured block - An executable statement with a single entry at the |
7407 | // top and a single exit at the bottom. |
7408 | // The point of exit cannot be a branch out of the structured block. |
7409 | // longjmp() and throw() must not violate the entry/exit criteria. |
7410 | CS->getCapturedDecl()->setNothrow(); |
7411 | |
7412 | setFunctionHasBranchProtectedScope(); |
7413 | |
7414 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
7415 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), |
7416 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
7417 | } |
7418 | |
7419 | namespace { |
7420 | /// Iteration space of a single for loop. |
7421 | struct LoopIterationSpace final { |
7422 | /// True if the condition operator is the strict compare operator (<, > or |
7423 | /// !=). |
7424 | bool IsStrictCompare = false; |
7425 | /// Condition of the loop. |
7426 | Expr *PreCond = nullptr; |
7427 | /// This expression calculates the number of iterations in the loop. |
7428 | /// It is always possible to calculate it before starting the loop. |
7429 | Expr *NumIterations = nullptr; |
7430 | /// The loop counter variable. |
7431 | Expr *CounterVar = nullptr; |
7432 | /// Private loop counter variable. |
7433 | Expr *PrivateCounterVar = nullptr; |
7434 | /// This is initializer for the initial value of #CounterVar. |
7435 | Expr *CounterInit = nullptr; |
7436 | /// This is step for the #CounterVar used to generate its update: |
7437 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. |
7438 | Expr *CounterStep = nullptr; |
7439 | /// Should step be subtracted? |
7440 | bool Subtract = false; |
7441 | /// Source range of the loop init. |
7442 | SourceRange InitSrcRange; |
7443 | /// Source range of the loop condition. |
7444 | SourceRange CondSrcRange; |
7445 | /// Source range of the loop increment. |
7446 | SourceRange IncSrcRange; |
7447 | /// Minimum value that can have the loop control variable. Used to support |
7448 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, |
7449 | /// since only such variables can be used in non-loop invariant expressions. |
7450 | Expr *MinValue = nullptr; |
7451 | /// Maximum value that can have the loop control variable. Used to support |
7452 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, |
7453 | /// since only such variables can be used in non-loop invariant expressions. |
7454 | Expr *MaxValue = nullptr; |
7455 | /// true, if the lower bound depends on the outer loop control var. |
7456 | bool IsNonRectangularLB = false; |
7457 | /// true, if the upper bound depends on the outer loop control var. |
7458 | bool IsNonRectangularUB = false; |
7459 | /// Index of the loop this loop depends on and forms non-rectangular loop |
7460 | /// nest. |
7461 | unsigned LoopDependentIdx = 0; |
7462 | /// Final condition for the non-rectangular loop nest support. It is used to |
7463 | /// check that the number of iterations for this particular counter must be |
7464 | /// finished. |
7465 | Expr *FinalCondition = nullptr; |
7466 | }; |
7467 | |
7468 | /// Helper class for checking canonical form of the OpenMP loops and |
7469 | /// extracting iteration space of each loop in the loop nest, that will be used |
7470 | /// for IR generation. |
7471 | class OpenMPIterationSpaceChecker { |
7472 | /// Reference to Sema. |
7473 | Sema &SemaRef; |
7474 | /// Does the loop associated directive support non-rectangular loops? |
7475 | bool SupportsNonRectangular; |
7476 | /// Data-sharing stack. |
7477 | DSAStackTy &Stack; |
7478 | /// A location for diagnostics (when there is no some better location). |
7479 | SourceLocation DefaultLoc; |
7480 | /// A location for diagnostics (when increment is not compatible). |
7481 | SourceLocation ConditionLoc; |
7482 | /// A source location for referring to loop init later. |
7483 | SourceRange InitSrcRange; |
7484 | /// A source location for referring to condition later. |
7485 | SourceRange ConditionSrcRange; |
7486 | /// A source location for referring to increment later. |
7487 | SourceRange IncrementSrcRange; |
7488 | /// Loop variable. |
7489 | ValueDecl *LCDecl = nullptr; |
7490 | /// Reference to loop variable. |
7491 | Expr *LCRef = nullptr; |
7492 | /// Lower bound (initializer for the var). |
7493 | Expr *LB = nullptr; |
7494 | /// Upper bound. |
7495 | Expr *UB = nullptr; |
7496 | /// Loop step (increment). |
7497 | Expr *Step = nullptr; |
7498 | /// This flag is true when condition is one of: |
7499 | /// Var < UB |
7500 | /// Var <= UB |
7501 | /// UB > Var |
7502 | /// UB >= Var |
7503 | /// This will have no value when the condition is != |
7504 | llvm::Optional<bool> TestIsLessOp; |
7505 | /// This flag is true when condition is strict ( < or > ). |
7506 | bool TestIsStrictOp = false; |
7507 | /// This flag is true when step is subtracted on each iteration. |
7508 | bool SubtractStep = false; |
7509 | /// The outer loop counter this loop depends on (if any). |
7510 | const ValueDecl *DepDecl = nullptr; |
7511 | /// Contains number of loop (starts from 1) on which loop counter init |
7512 | /// expression of this loop depends on. |
7513 | Optional<unsigned> InitDependOnLC; |
7514 | /// Contains number of loop (starts from 1) on which loop counter condition |
7515 | /// expression of this loop depends on. |
7516 | Optional<unsigned> CondDependOnLC; |
7517 | /// Checks if the provide statement depends on the loop counter. |
7518 | Optional<unsigned> doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); |
7519 | /// Original condition required for checking of the exit condition for |
7520 | /// non-rectangular loop. |
7521 | Expr *Condition = nullptr; |
7522 | |
7523 | public: |
7524 | OpenMPIterationSpaceChecker(Sema &SemaRef, bool SupportsNonRectangular, |
7525 | DSAStackTy &Stack, SourceLocation DefaultLoc) |
7526 | : SemaRef(SemaRef), SupportsNonRectangular(SupportsNonRectangular), |
7527 | Stack(Stack), DefaultLoc(DefaultLoc), ConditionLoc(DefaultLoc) {} |
7528 | /// Check init-expr for canonical loop form and save loop counter |
7529 | /// variable - #Var and its initialization value - #LB. |
7530 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); |
7531 | /// Check test-expr for canonical form, save upper-bound (#UB), flags |
7532 | /// for less/greater and for strict/non-strict comparison. |
7533 | bool checkAndSetCond(Expr *S); |
7534 | /// Check incr-expr for canonical loop form and return true if it |
7535 | /// does not conform, otherwise save loop step (#Step). |
7536 | bool checkAndSetInc(Expr *S); |
7537 | /// Return the loop counter variable. |
7538 | ValueDecl *getLoopDecl() const { return LCDecl; } |
7539 | /// Return the reference expression to loop counter variable. |
7540 | Expr *getLoopDeclRefExpr() const { return LCRef; } |
7541 | /// Source range of the loop init. |
7542 | SourceRange getInitSrcRange() const { return InitSrcRange; } |
7543 | /// Source range of the loop condition. |
7544 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } |
7545 | /// Source range of the loop increment. |
7546 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } |
7547 | /// True if the step should be subtracted. |
7548 | bool shouldSubtractStep() const { return SubtractStep; } |
7549 | /// True, if the compare operator is strict (<, > or !=). |
7550 | bool isStrictTestOp() const { return TestIsStrictOp; } |
7551 | /// Build the expression to calculate the number of iterations. |
7552 | Expr *buildNumIterations( |
7553 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, |
7554 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7555 | /// Build the precondition expression for the loops. |
7556 | Expr * |
7557 | buildPreCond(Scope *S, Expr *Cond, |
7558 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7559 | /// Build reference expression to the counter be used for codegen. |
7560 | DeclRefExpr * |
7561 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
7562 | DSAStackTy &DSA) const; |
7563 | /// Build reference expression to the private counter be used for |
7564 | /// codegen. |
7565 | Expr *buildPrivateCounterVar() const; |
7566 | /// Build initialization of the counter be used for codegen. |
7567 | Expr *buildCounterInit() const; |
7568 | /// Build step of the counter be used for codegen. |
7569 | Expr *buildCounterStep() const; |
7570 | /// Build loop data with counter value for depend clauses in ordered |
7571 | /// directives. |
7572 | Expr * |
7573 | buildOrderedLoopData(Scope *S, Expr *Counter, |
7574 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
7575 | SourceLocation Loc, Expr *Inc = nullptr, |
7576 | OverloadedOperatorKind OOK = OO_Amp); |
7577 | /// Builds the minimum value for the loop counter. |
7578 | std::pair<Expr *, Expr *> buildMinMaxValues( |
7579 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7580 | /// Builds final condition for the non-rectangular loops. |
7581 | Expr *buildFinalCondition(Scope *S) const; |
7582 | /// Return true if any expression is dependent. |
7583 | bool dependent() const; |
7584 | /// Returns true if the initializer forms non-rectangular loop. |
7585 | bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } |
7586 | /// Returns true if the condition forms non-rectangular loop. |
7587 | bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } |
7588 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. |
7589 | unsigned getLoopDependentIdx() const { |
7590 | return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); |
7591 | } |
7592 | |
7593 | private: |
7594 | /// Check the right-hand side of an assignment in the increment |
7595 | /// expression. |
7596 | bool checkAndSetIncRHS(Expr *RHS); |
7597 | /// Helper to set loop counter variable and its initializer. |
7598 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, |
7599 | bool EmitDiags); |
7600 | /// Helper to set upper bound. |
7601 | bool setUB(Expr *NewUB, llvm::Optional<bool> LessOp, bool StrictOp, |
7602 | SourceRange SR, SourceLocation SL); |
7603 | /// Helper to set loop increment. |
7604 | bool setStep(Expr *NewStep, bool Subtract); |
7605 | }; |
7606 | |
7607 | bool OpenMPIterationSpaceChecker::dependent() const { |
7608 | if (!LCDecl) { |
7609 | assert(!LB && !UB && !Step)(static_cast <bool> (!LB && !UB && !Step ) ? void (0) : __assert_fail ("!LB && !UB && !Step" , "clang/lib/Sema/SemaOpenMP.cpp", 7609, __extension__ __PRETTY_FUNCTION__ )); |
7610 | return false; |
7611 | } |
7612 | return LCDecl->getType()->isDependentType() || |
7613 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || |
7614 | (Step && Step->isValueDependent()); |
7615 | } |
7616 | |
7617 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, |
7618 | Expr *NewLCRefExpr, |
7619 | Expr *NewLB, bool EmitDiags) { |
7620 | // State consistency checking to ensure correct usage. |
7621 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&(static_cast <bool> (LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "clang/lib/Sema/SemaOpenMP.cpp", 7622, __extension__ __PRETTY_FUNCTION__ )) |
7622 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)(static_cast <bool> (LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "clang/lib/Sema/SemaOpenMP.cpp", 7622, __extension__ __PRETTY_FUNCTION__ )); |
7623 | if (!NewLCDecl || !NewLB || NewLB->containsErrors()) |
7624 | return true; |
7625 | LCDecl = getCanonicalDecl(NewLCDecl); |
7626 | LCRef = NewLCRefExpr; |
7627 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) |
7628 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) |
7629 | if ((Ctor->isCopyOrMoveConstructor() || |
7630 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && |
7631 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) |
7632 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); |
7633 | LB = NewLB; |
7634 | if (EmitDiags) |
7635 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); |
7636 | return false; |
7637 | } |
7638 | |
7639 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, |
7640 | llvm::Optional<bool> LessOp, |
7641 | bool StrictOp, SourceRange SR, |
7642 | SourceLocation SL) { |
7643 | // State consistency checking to ensure correct usage. |
7644 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&(static_cast <bool> (LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "clang/lib/Sema/SemaOpenMP.cpp", 7645, __extension__ __PRETTY_FUNCTION__ )) |
7645 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)(static_cast <bool> (LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "clang/lib/Sema/SemaOpenMP.cpp", 7645, __extension__ __PRETTY_FUNCTION__ )); |
7646 | if (!NewUB || NewUB->containsErrors()) |
7647 | return true; |
7648 | UB = NewUB; |
7649 | if (LessOp) |
7650 | TestIsLessOp = LessOp; |
7651 | TestIsStrictOp = StrictOp; |
7652 | ConditionSrcRange = SR; |
7653 | ConditionLoc = SL; |
7654 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); |
7655 | return false; |
7656 | } |
7657 | |
7658 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { |
7659 | // State consistency checking to ensure correct usage. |
7660 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)(static_cast <bool> (LCDecl != nullptr && LB != nullptr && Step == nullptr) ? void (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && Step == nullptr" , "clang/lib/Sema/SemaOpenMP.cpp", 7660, __extension__ __PRETTY_FUNCTION__ )); |
7661 | if (!NewStep || NewStep->containsErrors()) |
7662 | return true; |
7663 | if (!NewStep->isValueDependent()) { |
7664 | // Check that the step is integer expression. |
7665 | SourceLocation StepLoc = NewStep->getBeginLoc(); |
7666 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( |
7667 | StepLoc, getExprAsWritten(NewStep)); |
7668 | if (Val.isInvalid()) |
7669 | return true; |
7670 | NewStep = Val.get(); |
7671 | |
7672 | // OpenMP [2.6, Canonical Loop Form, Restrictions] |
7673 | // If test-expr is of form var relational-op b and relational-op is < or |
7674 | // <= then incr-expr must cause var to increase on each iteration of the |
7675 | // loop. If test-expr is of form var relational-op b and relational-op is |
7676 | // > or >= then incr-expr must cause var to decrease on each iteration of |
7677 | // the loop. |
7678 | // If test-expr is of form b relational-op var and relational-op is < or |
7679 | // <= then incr-expr must cause var to decrease on each iteration of the |
7680 | // loop. If test-expr is of form b relational-op var and relational-op is |
7681 | // > or >= then incr-expr must cause var to increase on each iteration of |
7682 | // the loop. |
7683 | Optional<llvm::APSInt> Result = |
7684 | NewStep->getIntegerConstantExpr(SemaRef.Context); |
7685 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); |
7686 | bool IsConstNeg = |
7687 | Result && Result->isSigned() && (Subtract != Result->isNegative()); |
7688 | bool IsConstPos = |
7689 | Result && Result->isSigned() && (Subtract == Result->isNegative()); |
7690 | bool IsConstZero = Result && !Result->getBoolValue(); |
7691 | |
7692 | // != with increment is treated as <; != with decrement is treated as > |
7693 | if (!TestIsLessOp.hasValue()) |
7694 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); |
7695 | if (UB && |
7696 | (IsConstZero || (TestIsLessOp.getValue() |
7697 | ? (IsConstNeg || (IsUnsigned && Subtract)) |
7698 | : (IsConstPos || (IsUnsigned && !Subtract))))) { |
7699 | SemaRef.Diag(NewStep->getExprLoc(), |
7700 | diag::err_omp_loop_incr_not_compatible) |
7701 | << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); |
7702 | SemaRef.Diag(ConditionLoc, |
7703 | diag::note_omp_loop_cond_requres_compatible_incr) |
7704 | << TestIsLessOp.getValue() << ConditionSrcRange; |
7705 | return true; |
7706 | } |
7707 | if (TestIsLessOp.getValue() == Subtract) { |
7708 | NewStep = |
7709 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) |
7710 | .get(); |
7711 | Subtract = !Subtract; |
7712 | } |
7713 | } |
7714 | |
7715 | Step = NewStep; |
7716 | SubtractStep = Subtract; |
7717 | return false; |
7718 | } |
7719 | |
7720 | namespace { |
7721 | /// Checker for the non-rectangular loops. Checks if the initializer or |
7722 | /// condition expression references loop counter variable. |
7723 | class LoopCounterRefChecker final |
7724 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { |
7725 | Sema &SemaRef; |
7726 | DSAStackTy &Stack; |
7727 | const ValueDecl *CurLCDecl = nullptr; |
7728 | const ValueDecl *DepDecl = nullptr; |
7729 | const ValueDecl *PrevDepDecl = nullptr; |
7730 | bool IsInitializer = true; |
7731 | bool SupportsNonRectangular; |
7732 | unsigned BaseLoopId = 0; |
7733 | bool checkDecl(const Expr *E, const ValueDecl *VD) { |
7734 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { |
7735 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) |
7736 | << (IsInitializer ? 0 : 1); |
7737 | return false; |
7738 | } |
7739 | const auto &&Data = Stack.isLoopControlVariable(VD); |
7740 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. |
7741 | // The type of the loop iterator on which we depend may not have a random |
7742 | // access iterator type. |
7743 | if (Data.first && VD->getType()->isRecordType()) { |
7744 | SmallString<128> Name; |
7745 | llvm::raw_svector_ostream OS(Name); |
7746 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), |
7747 | /*Qualified=*/true); |
7748 | SemaRef.Diag(E->getExprLoc(), |
7749 | diag::err_omp_wrong_dependency_iterator_type) |
7750 | << OS.str(); |
7751 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; |
7752 | return false; |
7753 | } |
7754 | if (Data.first && !SupportsNonRectangular) { |
7755 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_invariant_dependency); |
7756 | return false; |
7757 | } |
7758 | if (Data.first && |
7759 | (DepDecl || (PrevDepDecl && |
7760 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { |
7761 | if (!DepDecl && PrevDepDecl) |
7762 | DepDecl = PrevDepDecl; |
7763 | SmallString<128> Name; |
7764 | llvm::raw_svector_ostream OS(Name); |
7765 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), |
7766 | /*Qualified=*/true); |
7767 | SemaRef.Diag(E->getExprLoc(), |
7768 | diag::err_omp_invariant_or_linear_dependency) |
7769 | << OS.str(); |
7770 | return false; |
7771 | } |
7772 | if (Data.first) { |
7773 | DepDecl = VD; |
7774 | BaseLoopId = Data.first; |
7775 | } |
7776 | return Data.first; |
7777 | } |
7778 | |
7779 | public: |
7780 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
7781 | const ValueDecl *VD = E->getDecl(); |
7782 | if (isa<VarDecl>(VD)) |
7783 | return checkDecl(E, VD); |
7784 | return false; |
7785 | } |
7786 | bool VisitMemberExpr(const MemberExpr *E) { |
7787 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { |
7788 | const ValueDecl *VD = E->getMemberDecl(); |
7789 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) |
7790 | return checkDecl(E, VD); |
7791 | } |
7792 | return false; |
7793 | } |
7794 | bool VisitStmt(const Stmt *S) { |
7795 | bool Res = false; |
7796 | for (const Stmt *Child : S->children()) |
7797 | Res = (Child && Visit(Child)) || Res; |
7798 | return Res; |
7799 | } |
7800 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, |
7801 | const ValueDecl *CurLCDecl, bool IsInitializer, |
7802 | const ValueDecl *PrevDepDecl = nullptr, |
7803 | bool SupportsNonRectangular = true) |
7804 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), |
7805 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer), |
7806 | SupportsNonRectangular(SupportsNonRectangular) {} |
7807 | unsigned getBaseLoopId() const { |
7808 | assert(CurLCDecl && "Expected loop dependency.")(static_cast <bool> (CurLCDecl && "Expected loop dependency." ) ? void (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 7808, __extension__ __PRETTY_FUNCTION__ )); |
7809 | return BaseLoopId; |
7810 | } |
7811 | const ValueDecl *getDepDecl() const { |
7812 | assert(CurLCDecl && "Expected loop dependency.")(static_cast <bool> (CurLCDecl && "Expected loop dependency." ) ? void (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 7812, __extension__ __PRETTY_FUNCTION__ )); |
7813 | return DepDecl; |
7814 | } |
7815 | }; |
7816 | } // namespace |
7817 | |
7818 | Optional<unsigned> |
7819 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, |
7820 | bool IsInitializer) { |
7821 | // Check for the non-rectangular loops. |
7822 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, |
7823 | DepDecl, SupportsNonRectangular); |
7824 | if (LoopStmtChecker.Visit(S)) { |
7825 | DepDecl = LoopStmtChecker.getDepDecl(); |
7826 | return LoopStmtChecker.getBaseLoopId(); |
7827 | } |
7828 | return llvm::None; |
7829 | } |
7830 | |
7831 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { |
7832 | // Check init-expr for canonical loop form and save loop counter |
7833 | // variable - #Var and its initialization value - #LB. |
7834 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: |
7835 | // var = lb |
7836 | // integer-type var = lb |
7837 | // random-access-iterator-type var = lb |
7838 | // pointer-type var = lb |
7839 | // |
7840 | if (!S) { |
7841 | if (EmitDiags) { |
7842 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); |
7843 | } |
7844 | return true; |
7845 | } |
7846 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) |
7847 | if (!ExprTemp->cleanupsHaveSideEffects()) |
7848 | S = ExprTemp->getSubExpr(); |
7849 | |
7850 | InitSrcRange = S->getSourceRange(); |
7851 | if (Expr *E = dyn_cast<Expr>(S)) |
7852 | S = E->IgnoreParens(); |
7853 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
7854 | if (BO->getOpcode() == BO_Assign) { |
7855 | Expr *LHS = BO->getLHS()->IgnoreParens(); |
7856 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { |
7857 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) |
7858 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
7859 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7860 | EmitDiags); |
7861 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); |
7862 | } |
7863 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { |
7864 | if (ME->isArrow() && |
7865 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
7866 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7867 | EmitDiags); |
7868 | } |
7869 | } |
7870 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { |
7871 | if (DS->isSingleDecl()) { |
7872 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { |
7873 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { |
7874 | // Accept non-canonical init form here but emit ext. warning. |
7875 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) |
7876 | SemaRef.Diag(S->getBeginLoc(), |
7877 | diag::ext_omp_loop_not_canonical_init) |
7878 | << S->getSourceRange(); |
7879 | return setLCDeclAndLB( |
7880 | Var, |
7881 | buildDeclRefExpr(SemaRef, Var, |
7882 | Var->getType().getNonReferenceType(), |
7883 | DS->getBeginLoc()), |
7884 | Var->getInit(), EmitDiags); |
7885 | } |
7886 | } |
7887 | } |
7888 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
7889 | if (CE->getOperator() == OO_Equal) { |
7890 | Expr *LHS = CE->getArg(0); |
7891 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { |
7892 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) |
7893 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
7894 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7895 | EmitDiags); |
7896 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); |
7897 | } |
7898 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { |
7899 | if (ME->isArrow() && |
7900 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
7901 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7902 | EmitDiags); |
7903 | } |
7904 | } |
7905 | } |
7906 | |
7907 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
7908 | return false; |
7909 | if (EmitDiags) { |
7910 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) |
7911 | << S->getSourceRange(); |
7912 | } |
7913 | return true; |
7914 | } |
7915 | |
7916 | /// Ignore parenthesizes, implicit casts, copy constructor and return the |
7917 | /// variable (which may be the loop variable) if possible. |
7918 | static const ValueDecl *getInitLCDecl(const Expr *E) { |
7919 | if (!E) |
7920 | return nullptr; |
7921 | E = getExprAsWritten(E); |
7922 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) |
7923 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) |
7924 | if ((Ctor->isCopyOrMoveConstructor() || |
7925 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && |
7926 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) |
7927 | E = CE->getArg(0)->IgnoreParenImpCasts(); |
7928 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { |
7929 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) |
7930 | return getCanonicalDecl(VD); |
7931 | } |
7932 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) |
7933 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
7934 | return getCanonicalDecl(ME->getMemberDecl()); |
7935 | return nullptr; |
7936 | } |
7937 | |
7938 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { |
7939 | // Check test-expr for canonical form, save upper-bound UB, flags for |
7940 | // less/greater and for strict/non-strict comparison. |
7941 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: |
7942 | // var relational-op b |
7943 | // b relational-op var |
7944 | // |
7945 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; |
7946 | if (!S) { |
7947 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) |
7948 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; |
7949 | return true; |
7950 | } |
7951 | Condition = S; |
7952 | S = getExprAsWritten(S); |
7953 | SourceLocation CondLoc = S->getBeginLoc(); |
7954 | auto &&CheckAndSetCond = [this, IneqCondIsCanonical]( |
7955 | BinaryOperatorKind Opcode, const Expr *LHS, |
7956 | const Expr *RHS, SourceRange SR, |
7957 | SourceLocation OpLoc) -> llvm::Optional<bool> { |
7958 | if (BinaryOperator::isRelationalOp(Opcode)) { |
7959 | if (getInitLCDecl(LHS) == LCDecl) |
7960 | return setUB(const_cast<Expr *>(RHS), |
7961 | (Opcode == BO_LT || Opcode == BO_LE), |
7962 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); |
7963 | if (getInitLCDecl(RHS) == LCDecl) |
7964 | return setUB(const_cast<Expr *>(LHS), |
7965 | (Opcode == BO_GT || Opcode == BO_GE), |
7966 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); |
7967 | } else if (IneqCondIsCanonical && Opcode == BO_NE) { |
7968 | return setUB(const_cast<Expr *>(getInitLCDecl(LHS) == LCDecl ? RHS : LHS), |
7969 | /*LessOp=*/llvm::None, |
7970 | /*StrictOp=*/true, SR, OpLoc); |
7971 | } |
7972 | return llvm::None; |
7973 | }; |
7974 | llvm::Optional<bool> Res; |
7975 | if (auto *RBO = dyn_cast<CXXRewrittenBinaryOperator>(S)) { |
7976 | CXXRewrittenBinaryOperator::DecomposedForm DF = RBO->getDecomposedForm(); |
7977 | Res = CheckAndSetCond(DF.Opcode, DF.LHS, DF.RHS, RBO->getSourceRange(), |
7978 | RBO->getOperatorLoc()); |
7979 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
7980 | Res = CheckAndSetCond(BO->getOpcode(), BO->getLHS(), BO->getRHS(), |
7981 | BO->getSourceRange(), BO->getOperatorLoc()); |
7982 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
7983 | if (CE->getNumArgs() == 2) { |
7984 | Res = CheckAndSetCond( |
7985 | BinaryOperator::getOverloadedOpcode(CE->getOperator()), CE->getArg(0), |
7986 | CE->getArg(1), CE->getSourceRange(), CE->getOperatorLoc()); |
7987 | } |
7988 | } |
7989 | if (Res.hasValue()) |
7990 | return *Res; |
7991 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
7992 | return false; |
7993 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) |
7994 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; |
7995 | return true; |
7996 | } |
7997 | |
7998 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { |
7999 | // RHS of canonical loop form increment can be: |
8000 | // var + incr |
8001 | // incr + var |
8002 | // var - incr |
8003 | // |
8004 | RHS = RHS->IgnoreParenImpCasts(); |
8005 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { |
8006 | if (BO->isAdditiveOp()) { |
8007 | bool IsAdd = BO->getOpcode() == BO_Add; |
8008 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
8009 | return setStep(BO->getRHS(), !IsAdd); |
8010 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) |
8011 | return setStep(BO->getLHS(), /*Subtract=*/false); |
8012 | } |
8013 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { |
8014 | bool IsAdd = CE->getOperator() == OO_Plus; |
8015 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { |
8016 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8017 | return setStep(CE->getArg(1), !IsAdd); |
8018 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) |
8019 | return setStep(CE->getArg(0), /*Subtract=*/false); |
8020 | } |
8021 | } |
8022 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
8023 | return false; |
8024 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) |
8025 | << RHS->getSourceRange() << LCDecl; |
8026 | return true; |
8027 | } |
8028 | |
8029 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { |
8030 | // Check incr-expr for canonical loop form and return true if it |
8031 | // does not conform. |
8032 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: |
8033 | // ++var |
8034 | // var++ |
8035 | // --var |
8036 | // var-- |
8037 | // var += incr |
8038 | // var -= incr |
8039 | // var = var + incr |
8040 | // var = incr + var |
8041 | // var = var - incr |
8042 | // |
8043 | if (!S) { |
8044 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; |
8045 | return true; |
8046 | } |
8047 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) |
8048 | if (!ExprTemp->cleanupsHaveSideEffects()) |
8049 | S = ExprTemp->getSubExpr(); |
8050 | |
8051 | IncrementSrcRange = S->getSourceRange(); |
8052 | S = S->IgnoreParens(); |
8053 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { |
8054 | if (UO->isIncrementDecrementOp() && |
8055 | getInitLCDecl(UO->getSubExpr()) == LCDecl) |
8056 | return setStep(SemaRef |
8057 | .ActOnIntegerConstant(UO->getBeginLoc(), |
8058 | (UO->isDecrementOp() ? -1 : 1)) |
8059 | .get(), |
8060 | /*Subtract=*/false); |
8061 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
8062 | switch (BO->getOpcode()) { |
8063 | case BO_AddAssign: |
8064 | case BO_SubAssign: |
8065 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
8066 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); |
8067 | break; |
8068 | case BO_Assign: |
8069 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
8070 | return checkAndSetIncRHS(BO->getRHS()); |
8071 | break; |
8072 | default: |
8073 | break; |
8074 | } |
8075 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
8076 | switch (CE->getOperator()) { |
8077 | case OO_PlusPlus: |
8078 | case OO_MinusMinus: |
8079 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8080 | return setStep(SemaRef |
8081 | .ActOnIntegerConstant( |
8082 | CE->getBeginLoc(), |
8083 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) |
8084 | .get(), |
8085 | /*Subtract=*/false); |
8086 | break; |
8087 | case OO_PlusEqual: |
8088 | case OO_MinusEqual: |
8089 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8090 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); |
8091 | break; |
8092 | case OO_Equal: |
8093 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8094 | return checkAndSetIncRHS(CE->getArg(1)); |
8095 | break; |
8096 | default: |
8097 | break; |
8098 | } |
8099 | } |
8100 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
8101 | return false; |
8102 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) |
8103 | << S->getSourceRange() << LCDecl; |
8104 | return true; |
8105 | } |
8106 | |
8107 | static ExprResult |
8108 | tryBuildCapture(Sema &SemaRef, Expr *Capture, |
8109 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
8110 | if (SemaRef.CurContext->isDependentContext() || Capture->containsErrors()) |
8111 | return Capture; |
8112 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) |
8113 | return SemaRef.PerformImplicitConversion( |
8114 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, |
8115 | /*AllowExplicit=*/true); |
8116 | auto I = Captures.find(Capture); |
8117 | if (I != Captures.end()) |
8118 | return buildCapture(SemaRef, Capture, I->second); |
8119 | DeclRefExpr *Ref = nullptr; |
8120 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); |
8121 | Captures[Capture] = Ref; |
8122 | return Res; |
8123 | } |
8124 | |
8125 | /// Calculate number of iterations, transforming to unsigned, if number of |
8126 | /// iterations may be larger than the original type. |
8127 | static Expr * |
8128 | calculateNumIters(Sema &SemaRef, Scope *S, SourceLocation DefaultLoc, |
8129 | Expr *Lower, Expr *Upper, Expr *Step, QualType LCTy, |
8130 | bool TestIsStrictOp, bool RoundToStep, |
8131 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
8132 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); |
8133 | if (!NewStep.isUsable()) |
8134 | return nullptr; |
8135 | llvm::APSInt LRes, SRes; |
8136 | bool IsLowerConst = false, IsStepConst = false; |
8137 | if (Optional<llvm::APSInt> Res = |
8138 | Lower->getIntegerConstantExpr(SemaRef.Context)) { |
8139 | LRes = *Res; |
8140 | IsLowerConst = true; |
8141 | } |
8142 | if (Optional<llvm::APSInt> Res = |
8143 | Step->getIntegerConstantExpr(SemaRef.Context)) { |
8144 | SRes = *Res; |
8145 | IsStepConst = true; |
8146 | } |
8147 | bool NoNeedToConvert = IsLowerConst && !RoundToStep && |
8148 | ((!TestIsStrictOp && LRes.isNonNegative()) || |
8149 | (TestIsStrictOp && LRes.isStrictlyPositive())); |
8150 | bool NeedToReorganize = false; |
8151 | // Check if any subexpressions in Lower -Step [+ 1] lead to overflow. |
8152 | if (!NoNeedToConvert && IsLowerConst && |
8153 | (TestIsStrictOp || (RoundToStep && IsStepConst))) { |
8154 | NoNeedToConvert = true; |
8155 | if (RoundToStep) { |
8156 | unsigned BW = LRes.getBitWidth() > SRes.getBitWidth() |
8157 | ? LRes.getBitWidth() |
8158 | : SRes.getBitWidth(); |
8159 | LRes = LRes.extend(BW + 1); |
8160 | LRes.setIsSigned(true); |
8161 | SRes = SRes.extend(BW + 1); |
8162 | SRes.setIsSigned(true); |
8163 | LRes -= SRes; |
8164 | NoNeedToConvert = LRes.trunc(BW).extend(BW + 1) == LRes; |
8165 | LRes = LRes.trunc(BW); |
8166 | } |
8167 | if (TestIsStrictOp) { |
8168 | unsigned BW = LRes.getBitWidth(); |
8169 | LRes = LRes.extend(BW + 1); |
8170 | LRes.setIsSigned(true); |
8171 | ++LRes; |
8172 | NoNeedToConvert = |
8173 | NoNeedToConvert && LRes.trunc(BW).extend(BW + 1) == LRes; |
8174 | // truncate to the original bitwidth. |
8175 | LRes = LRes.trunc(BW); |
8176 | } |
8177 | NeedToReorganize = NoNeedToConvert; |
8178 | } |
8179 | llvm::APSInt URes; |
8180 | bool IsUpperConst = false; |
8181 | if (Optional<llvm::APSInt> Res = |
8182 | Upper->getIntegerConstantExpr(SemaRef.Context)) { |
8183 | URes = *Res; |
8184 | IsUpperConst = true; |
8185 | } |
8186 | if (NoNeedToConvert && IsLowerConst && IsUpperConst && |
8187 | (!RoundToStep || IsStepConst)) { |
8188 | unsigned BW = LRes.getBitWidth() > URes.getBitWidth() ? LRes.getBitWidth() |
8189 | : URes.getBitWidth(); |
8190 | LRes = LRes.extend(BW + 1); |
8191 | LRes.setIsSigned(true); |
8192 | URes = URes.extend(BW + 1); |
8193 | URes.setIsSigned(true); |
8194 | URes -= LRes; |
8195 | NoNeedToConvert = URes.trunc(BW).extend(BW + 1) == URes; |
8196 | NeedToReorganize = NoNeedToConvert; |
8197 | } |
8198 | // If the boundaries are not constant or (Lower - Step [+ 1]) is not constant |
8199 | // or less than zero (Upper - (Lower - Step [+ 1]) may overflow) - promote to |
8200 | // unsigned. |
8201 | if ((!NoNeedToConvert || (LRes.isNegative() && !IsUpperConst)) && |
8202 | !LCTy->isDependentType() && LCTy->isIntegerType()) { |
8203 | QualType LowerTy = Lower->getType(); |
8204 | QualType UpperTy = Upper->getType(); |
8205 | uint64_t LowerSize = SemaRef.Context.getTypeSize(LowerTy); |
8206 | uint64_t UpperSize = SemaRef.Context.getTypeSize(UpperTy); |
8207 | if ((LowerSize <= UpperSize && UpperTy->hasSignedIntegerRepresentation()) || |
8208 | (LowerSize > UpperSize && LowerTy->hasSignedIntegerRepresentation())) { |
8209 | QualType CastType = SemaRef.Context.getIntTypeForBitwidth( |
8210 | LowerSize > UpperSize ? LowerSize : UpperSize, /*Signed=*/0); |
8211 | Upper = |
8212 | SemaRef |
8213 | .PerformImplicitConversion( |
8214 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), |
8215 | CastType, Sema::AA_Converting) |
8216 | .get(); |
8217 | Lower = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(); |
8218 | NewStep = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, NewStep.get()); |
8219 | } |
8220 | } |
8221 | if (!Lower || !Upper || NewStep.isInvalid()) |
8222 | return nullptr; |
8223 | |
8224 | ExprResult Diff; |
8225 | // If need to reorganize, then calculate the form as Upper - (Lower - Step [+ |
8226 | // 1]). |
8227 | if (NeedToReorganize) { |
8228 | Diff = Lower; |
8229 | |
8230 | if (RoundToStep) { |
8231 | // Lower - Step |
8232 | Diff = |
8233 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Diff.get(), NewStep.get()); |
8234 | if (!Diff.isUsable()) |
8235 | return nullptr; |
8236 | } |
8237 | |
8238 | // Lower - Step [+ 1] |
8239 | if (TestIsStrictOp) |
8240 | Diff = SemaRef.BuildBinOp( |
8241 | S, DefaultLoc, BO_Add, Diff.get(), |
8242 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
8243 | if (!Diff.isUsable()) |
8244 | return nullptr; |
8245 | |
8246 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8247 | if (!Diff.isUsable()) |
8248 | return nullptr; |
8249 | |
8250 | // Upper - (Lower - Step [+ 1]). |
8251 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); |
8252 | if (!Diff.isUsable()) |
8253 | return nullptr; |
8254 | } else { |
8255 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); |
8256 | |
8257 | if (!Diff.isUsable() && LCTy->getAsCXXRecordDecl()) { |
8258 | // BuildBinOp already emitted error, this one is to point user to upper |
8259 | // and lower bound, and to tell what is passed to 'operator-'. |
8260 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) |
8261 | << Upper->getSourceRange() << Lower->getSourceRange(); |
8262 | return nullptr; |
8263 | } |
8264 | |
8265 | if (!Diff.isUsable()) |
8266 | return nullptr; |
8267 | |
8268 | // Upper - Lower [- 1] |
8269 | if (TestIsStrictOp) |
8270 | Diff = SemaRef.BuildBinOp( |
8271 | S, DefaultLoc, BO_Sub, Diff.get(), |
8272 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
8273 | if (!Diff.isUsable()) |
8274 | return nullptr; |
8275 | |
8276 | if (RoundToStep) { |
8277 | // Upper - Lower [- 1] + Step |
8278 | Diff = |
8279 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); |
8280 | if (!Diff.isUsable()) |
8281 | return nullptr; |
8282 | } |
8283 | } |
8284 | |
8285 | // Parentheses (for dumping/debugging purposes only). |
8286 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8287 | if (!Diff.isUsable()) |
8288 | return nullptr; |
8289 | |
8290 | // (Upper - Lower [- 1] + Step) / Step or (Upper - Lower) / Step |
8291 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); |
8292 | if (!Diff.isUsable()) |
8293 | return nullptr; |
8294 | |
8295 | return Diff.get(); |
8296 | } |
8297 | |
8298 | /// Build the expression to calculate the number of iterations. |
8299 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( |
8300 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, |
8301 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8302 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8303 | if (!VarType->isIntegerType() && !VarType->isPointerType() && |
8304 | !SemaRef.getLangOpts().CPlusPlus) |
8305 | return nullptr; |
8306 | Expr *LBVal = LB; |
8307 | Expr *UBVal = UB; |
8308 | // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : |
8309 | // max(LB(MinVal), LB(MaxVal)) |
8310 | if (InitDependOnLC) { |
8311 | const LoopIterationSpace &IS = ResultIterSpaces[*InitDependOnLC - 1]; |
8312 | if (!IS.MinValue || !IS.MaxValue) |
8313 | return nullptr; |
8314 | // OuterVar = Min |
8315 | ExprResult MinValue = |
8316 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); |
8317 | if (!MinValue.isUsable()) |
8318 | return nullptr; |
8319 | |
8320 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8321 | IS.CounterVar, MinValue.get()); |
8322 | if (!LBMinVal.isUsable()) |
8323 | return nullptr; |
8324 | // OuterVar = Min, LBVal |
8325 | LBMinVal = |
8326 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); |
8327 | if (!LBMinVal.isUsable()) |
8328 | return nullptr; |
8329 | // (OuterVar = Min, LBVal) |
8330 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); |
8331 | if (!LBMinVal.isUsable()) |
8332 | return nullptr; |
8333 | |
8334 | // OuterVar = Max |
8335 | ExprResult MaxValue = |
8336 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); |
8337 | if (!MaxValue.isUsable()) |
8338 | return nullptr; |
8339 | |
8340 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8341 | IS.CounterVar, MaxValue.get()); |
8342 | if (!LBMaxVal.isUsable()) |
8343 | return nullptr; |
8344 | // OuterVar = Max, LBVal |
8345 | LBMaxVal = |
8346 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); |
8347 | if (!LBMaxVal.isUsable()) |
8348 | return nullptr; |
8349 | // (OuterVar = Max, LBVal) |
8350 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); |
8351 | if (!LBMaxVal.isUsable()) |
8352 | return nullptr; |
8353 | |
8354 | Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); |
8355 | Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); |
8356 | if (!LBMin || !LBMax) |
8357 | return nullptr; |
8358 | // LB(MinVal) < LB(MaxVal) |
8359 | ExprResult MinLessMaxRes = |
8360 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); |
8361 | if (!MinLessMaxRes.isUsable()) |
8362 | return nullptr; |
8363 | Expr *MinLessMax = |
8364 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); |
8365 | if (!MinLessMax) |
8366 | return nullptr; |
8367 | if (TestIsLessOp.getValue()) { |
8368 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), |
8369 | // LB(MaxVal)) |
8370 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, |
8371 | MinLessMax, LBMin, LBMax); |
8372 | if (!MinLB.isUsable()) |
8373 | return nullptr; |
8374 | LBVal = MinLB.get(); |
8375 | } else { |
8376 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), |
8377 | // LB(MaxVal)) |
8378 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, |
8379 | MinLessMax, LBMax, LBMin); |
8380 | if (!MaxLB.isUsable()) |
8381 | return nullptr; |
8382 | LBVal = MaxLB.get(); |
8383 | } |
8384 | } |
8385 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : |
8386 | // min(UB(MinVal), UB(MaxVal)) |
8387 | if (CondDependOnLC) { |
8388 | const LoopIterationSpace &IS = ResultIterSpaces[*CondDependOnLC - 1]; |
8389 | if (!IS.MinValue || !IS.MaxValue) |
8390 | return nullptr; |
8391 | // OuterVar = Min |
8392 | ExprResult MinValue = |
8393 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); |
8394 | if (!MinValue.isUsable()) |
8395 | return nullptr; |
8396 | |
8397 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8398 | IS.CounterVar, MinValue.get()); |
8399 | if (!UBMinVal.isUsable()) |
8400 | return nullptr; |
8401 | // OuterVar = Min, UBVal |
8402 | UBMinVal = |
8403 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); |
8404 | if (!UBMinVal.isUsable()) |
8405 | return nullptr; |
8406 | // (OuterVar = Min, UBVal) |
8407 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); |
8408 | if (!UBMinVal.isUsable()) |
8409 | return nullptr; |
8410 | |
8411 | // OuterVar = Max |
8412 | ExprResult MaxValue = |
8413 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); |
8414 | if (!MaxValue.isUsable()) |
8415 | return nullptr; |
8416 | |
8417 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8418 | IS.CounterVar, MaxValue.get()); |
8419 | if (!UBMaxVal.isUsable()) |
8420 | return nullptr; |
8421 | // OuterVar = Max, UBVal |
8422 | UBMaxVal = |
8423 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); |
8424 | if (!UBMaxVal.isUsable()) |
8425 | return nullptr; |
8426 | // (OuterVar = Max, UBVal) |
8427 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); |
8428 | if (!UBMaxVal.isUsable()) |
8429 | return nullptr; |
8430 | |
8431 | Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); |
8432 | Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); |
8433 | if (!UBMin || !UBMax) |
8434 | return nullptr; |
8435 | // UB(MinVal) > UB(MaxVal) |
8436 | ExprResult MinGreaterMaxRes = |
8437 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); |
8438 | if (!MinGreaterMaxRes.isUsable()) |
8439 | return nullptr; |
8440 | Expr *MinGreaterMax = |
8441 | tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); |
8442 | if (!MinGreaterMax) |
8443 | return nullptr; |
8444 | if (TestIsLessOp.getValue()) { |
8445 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), |
8446 | // UB(MaxVal)) |
8447 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( |
8448 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); |
8449 | if (!MaxUB.isUsable()) |
8450 | return nullptr; |
8451 | UBVal = MaxUB.get(); |
8452 | } else { |
8453 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), |
8454 | // UB(MaxVal)) |
8455 | ExprResult MinUB = SemaRef.ActOnConditionalOp( |
8456 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); |
8457 | if (!MinUB.isUsable()) |
8458 | return nullptr; |
8459 | UBVal = MinUB.get(); |
8460 | } |
8461 | } |
8462 | Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; |
8463 | Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; |
8464 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); |
8465 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); |
8466 | if (!Upper || !Lower) |
8467 | return nullptr; |
8468 | |
8469 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, |
8470 | Step, VarType, TestIsStrictOp, |
8471 | /*RoundToStep=*/true, Captures); |
8472 | if (!Diff.isUsable()) |
8473 | return nullptr; |
8474 | |
8475 | // OpenMP runtime requires 32-bit or 64-bit loop variables. |
8476 | QualType Type = Diff.get()->getType(); |
8477 | ASTContext &C = SemaRef.Context; |
8478 | bool UseVarType = VarType->hasIntegerRepresentation() && |
8479 | C.getTypeSize(Type) > C.getTypeSize(VarType); |
8480 | if (!Type->isIntegerType() || UseVarType) { |
8481 | unsigned NewSize = |
8482 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); |
8483 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() |
8484 | : Type->hasSignedIntegerRepresentation(); |
8485 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); |
8486 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { |
8487 | Diff = SemaRef.PerformImplicitConversion( |
8488 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); |
8489 | if (!Diff.isUsable()) |
8490 | return nullptr; |
8491 | } |
8492 | } |
8493 | if (LimitedType) { |
8494 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; |
8495 | if (NewSize != C.getTypeSize(Type)) { |
8496 | if (NewSize < C.getTypeSize(Type)) { |
8497 | assert(NewSize == 64 && "incorrect loop var size")(static_cast <bool> (NewSize == 64 && "incorrect loop var size" ) ? void (0) : __assert_fail ("NewSize == 64 && \"incorrect loop var size\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8497, __extension__ __PRETTY_FUNCTION__ )); |
8498 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) |
8499 | << InitSrcRange << ConditionSrcRange; |
8500 | } |
8501 | QualType NewType = C.getIntTypeForBitwidth( |
8502 | NewSize, Type->hasSignedIntegerRepresentation() || |
8503 | C.getTypeSize(Type) < NewSize); |
8504 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { |
8505 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, |
8506 | Sema::AA_Converting, true); |
8507 | if (!Diff.isUsable()) |
8508 | return nullptr; |
8509 | } |
8510 | } |
8511 | } |
8512 | |
8513 | return Diff.get(); |
8514 | } |
8515 | |
8516 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( |
8517 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8518 | // Do not build for iterators, they cannot be used in non-rectangular loop |
8519 | // nests. |
8520 | if (LCDecl->getType()->isRecordType()) |
8521 | return std::make_pair(nullptr, nullptr); |
8522 | // If we subtract, the min is in the condition, otherwise the min is in the |
8523 | // init value. |
8524 | Expr *MinExpr = nullptr; |
8525 | Expr *MaxExpr = nullptr; |
8526 | Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; |
8527 | Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; |
8528 | bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() |
8529 | : CondDependOnLC.hasValue(); |
8530 | bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() |
8531 | : InitDependOnLC.hasValue(); |
8532 | Expr *Lower = |
8533 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); |
8534 | Expr *Upper = |
8535 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); |
8536 | if (!Upper || !Lower) |
8537 | return std::make_pair(nullptr, nullptr); |
8538 | |
8539 | if (TestIsLessOp.getValue()) |
8540 | MinExpr = Lower; |
8541 | else |
8542 | MaxExpr = Upper; |
8543 | |
8544 | // Build minimum/maximum value based on number of iterations. |
8545 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8546 | |
8547 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, |
8548 | Step, VarType, TestIsStrictOp, |
8549 | /*RoundToStep=*/false, Captures); |
8550 | if (!Diff.isUsable()) |
8551 | return std::make_pair(nullptr, nullptr); |
8552 | |
8553 | // ((Upper - Lower [- 1]) / Step) * Step |
8554 | // Parentheses (for dumping/debugging purposes only). |
8555 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8556 | if (!Diff.isUsable()) |
8557 | return std::make_pair(nullptr, nullptr); |
8558 | |
8559 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); |
8560 | if (!NewStep.isUsable()) |
8561 | return std::make_pair(nullptr, nullptr); |
8562 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); |
8563 | if (!Diff.isUsable()) |
8564 | return std::make_pair(nullptr, nullptr); |
8565 | |
8566 | // Parentheses (for dumping/debugging purposes only). |
8567 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8568 | if (!Diff.isUsable()) |
8569 | return std::make_pair(nullptr, nullptr); |
8570 | |
8571 | // Convert to the ptrdiff_t, if original type is pointer. |
8572 | if (VarType->isAnyPointerType() && |
8573 | !SemaRef.Context.hasSameType( |
8574 | Diff.get()->getType(), |
8575 | SemaRef.Context.getUnsignedPointerDiffType())) { |
8576 | Diff = SemaRef.PerformImplicitConversion( |
8577 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), |
8578 | Sema::AA_Converting, /*AllowExplicit=*/true); |
8579 | } |
8580 | if (!Diff.isUsable()) |
8581 | return std::make_pair(nullptr, nullptr); |
8582 | |
8583 | if (TestIsLessOp.getValue()) { |
8584 | // MinExpr = Lower; |
8585 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) |
8586 | Diff = SemaRef.BuildBinOp( |
8587 | S, DefaultLoc, BO_Add, |
8588 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(), |
8589 | Diff.get()); |
8590 | if (!Diff.isUsable()) |
8591 | return std::make_pair(nullptr, nullptr); |
8592 | } else { |
8593 | // MaxExpr = Upper; |
8594 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) |
8595 | Diff = SemaRef.BuildBinOp( |
8596 | S, DefaultLoc, BO_Sub, |
8597 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), |
8598 | Diff.get()); |
8599 | if (!Diff.isUsable()) |
8600 | return std::make_pair(nullptr, nullptr); |
8601 | } |
8602 | |
8603 | // Convert to the original type. |
8604 | if (SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) |
8605 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), VarType, |
8606 | Sema::AA_Converting, |
8607 | /*AllowExplicit=*/true); |
8608 | if (!Diff.isUsable()) |
8609 | return std::make_pair(nullptr, nullptr); |
8610 | |
8611 | Sema::TentativeAnalysisScope Trap(SemaRef); |
8612 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue=*/false); |
8613 | if (!Diff.isUsable()) |
8614 | return std::make_pair(nullptr, nullptr); |
8615 | |
8616 | if (TestIsLessOp.getValue()) |
8617 | MaxExpr = Diff.get(); |
8618 | else |
8619 | MinExpr = Diff.get(); |
8620 | |
8621 | return std::make_pair(MinExpr, MaxExpr); |
8622 | } |
8623 | |
8624 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { |
8625 | if (InitDependOnLC || CondDependOnLC) |
8626 | return Condition; |
8627 | return nullptr; |
8628 | } |
8629 | |
8630 | Expr *OpenMPIterationSpaceChecker::buildPreCond( |
8631 | Scope *S, Expr *Cond, |
8632 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8633 | // Do not build a precondition when the condition/initialization is dependent |
8634 | // to prevent pessimistic early loop exit. |
8635 | // TODO: this can be improved by calculating min/max values but not sure that |
8636 | // it will be very effective. |
8637 | if (CondDependOnLC || InitDependOnLC) |
8638 | return SemaRef |
8639 | .PerformImplicitConversion( |
8640 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), |
8641 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, |
8642 | /*AllowExplicit=*/true) |
8643 | .get(); |
8644 | |
8645 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. |
8646 | Sema::TentativeAnalysisScope Trap(SemaRef); |
8647 | |
8648 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); |
8649 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); |
8650 | if (!NewLB.isUsable() || !NewUB.isUsable()) |
8651 | return nullptr; |
8652 | |
8653 | ExprResult CondExpr = SemaRef.BuildBinOp( |
8654 | S, DefaultLoc, |
8655 | TestIsLessOp.getValue() ? (TestIsStrictOp ? BO_LT : BO_LE) |
8656 | : (TestIsStrictOp ? BO_GT : BO_GE), |
8657 | NewLB.get(), NewUB.get()); |
8658 | if (CondExpr.isUsable()) { |
8659 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), |
8660 | SemaRef.Context.BoolTy)) |
8661 | CondExpr = SemaRef.PerformImplicitConversion( |
8662 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, |
8663 | /*AllowExplicit=*/true); |
8664 | } |
8665 | |
8666 | // Otherwise use original loop condition and evaluate it in runtime. |
8667 | return CondExpr.isUsable() ? CondExpr.get() : Cond; |
8668 | } |
8669 | |
8670 | /// Build reference expression to the counter be used for codegen. |
8671 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( |
8672 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
8673 | DSAStackTy &DSA) const { |
8674 | auto *VD = dyn_cast<VarDecl>(LCDecl); |
8675 | if (!VD) { |
8676 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); |
8677 | DeclRefExpr *Ref = buildDeclRefExpr( |
8678 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); |
8679 | const DSAStackTy::DSAVarData Data = |
8680 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); |
8681 | // If the loop control decl is explicitly marked as private, do not mark it |
8682 | // as captured again. |
8683 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) |
8684 | Captures.insert(std::make_pair(LCRef, Ref)); |
8685 | return Ref; |
8686 | } |
8687 | return cast<DeclRefExpr>(LCRef); |
8688 | } |
8689 | |
8690 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { |
8691 | if (LCDecl && !LCDecl->isInvalidDecl()) { |
8692 | QualType Type = LCDecl->getType().getNonReferenceType(); |
8693 | VarDecl *PrivateVar = buildVarDecl( |
8694 | SemaRef, DefaultLoc, Type, LCDecl->getName(), |
8695 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, |
8696 | isa<VarDecl>(LCDecl) |
8697 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) |
8698 | : nullptr); |
8699 | if (PrivateVar->isInvalidDecl()) |
8700 | return nullptr; |
8701 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); |
8702 | } |
8703 | return nullptr; |
8704 | } |
8705 | |
8706 | /// Build initialization of the counter to be used for codegen. |
8707 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } |
8708 | |
8709 | /// Build step of the counter be used for codegen. |
8710 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } |
8711 | |
8712 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( |
8713 | Scope *S, Expr *Counter, |
8714 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, |
8715 | Expr *Inc, OverloadedOperatorKind OOK) { |
8716 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); |
8717 | if (!Cnt) |
8718 | return nullptr; |
8719 | if (Inc) { |
8720 | assert((OOK == OO_Plus || OOK == OO_Minus) &&(static_cast <bool> ((OOK == OO_Plus || OOK == OO_Minus ) && "Expected only + or - operations for depend clauses." ) ? void (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8721, __extension__ __PRETTY_FUNCTION__ )) |
8721 | "Expected only + or - operations for depend clauses.")(static_cast <bool> ((OOK == OO_Plus || OOK == OO_Minus ) && "Expected only + or - operations for depend clauses." ) ? void (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8721, __extension__ __PRETTY_FUNCTION__ )); |
8722 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; |
8723 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); |
8724 | if (!Cnt) |
8725 | return nullptr; |
8726 | } |
8727 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8728 | if (!VarType->isIntegerType() && !VarType->isPointerType() && |
8729 | !SemaRef.getLangOpts().CPlusPlus) |
8730 | return nullptr; |
8731 | // Upper - Lower |
8732 | Expr *Upper = TestIsLessOp.getValue() |
8733 | ? Cnt |
8734 | : tryBuildCapture(SemaRef, LB, Captures).get(); |
8735 | Expr *Lower = TestIsLessOp.getValue() |
8736 | ? tryBuildCapture(SemaRef, LB, Captures).get() |
8737 | : Cnt; |
8738 | if (!Upper || !Lower) |
8739 | return nullptr; |
8740 | |
8741 | ExprResult Diff = calculateNumIters( |
8742 | SemaRef, S, DefaultLoc, Lower, Upper, Step, VarType, |
8743 | /*TestIsStrictOp=*/false, /*RoundToStep=*/false, Captures); |
8744 | if (!Diff.isUsable()) |
8745 | return nullptr; |
8746 | |
8747 | return Diff.get(); |
8748 | } |
8749 | } // namespace |
8750 | |
8751 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { |
8752 | assert(getLangOpts().OpenMP && "OpenMP is not active.")(static_cast <bool> (getLangOpts().OpenMP && "OpenMP is not active." ) ? void (0) : __assert_fail ("getLangOpts().OpenMP && \"OpenMP is not active.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8752, __extension__ __PRETTY_FUNCTION__ )); |
8753 | assert(Init && "Expected loop in canonical form.")(static_cast <bool> (Init && "Expected loop in canonical form." ) ? void (0) : __assert_fail ("Init && \"Expected loop in canonical form.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8753, __extension__ __PRETTY_FUNCTION__ )); |
8754 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); |
8755 | if (AssociatedLoops > 0 && |
8756 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
8757 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
8758 | OpenMPIterationSpaceChecker ISC(*this, /*SupportsNonRectangular=*/true, |
8759 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); |
8760 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { |
8761 | if (ValueDecl *D = ISC.getLoopDecl()) { |
8762 | auto *VD = dyn_cast<VarDecl>(D); |
8763 | DeclRefExpr *PrivateRef = nullptr; |
8764 | if (!VD) { |
8765 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { |
8766 | VD = Private; |
8767 | } else { |
8768 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), |
8769 | /*WithInit=*/false); |
8770 | VD = cast<VarDecl>(PrivateRef->getDecl()); |
8771 | } |
8772 | } |
8773 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); |
8774 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); |
8775 | if (LD != D->getCanonicalDecl()) { |
8776 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); |
8777 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) |
8778 | MarkDeclarationsReferencedInExpr( |
8779 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), |
8780 | Var->getType().getNonLValueExprType(Context), |
8781 | ForLoc, /*RefersToCapture=*/true)); |
8782 | } |
8783 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
8784 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables |
8785 | // Referenced in a Construct, C/C++]. The loop iteration variable in the |
8786 | // associated for-loop of a simd construct with just one associated |
8787 | // for-loop may be listed in a linear clause with a constant-linear-step |
8788 | // that is the increment of the associated for-loop. The loop iteration |
8789 | // variable(s) in the associated for-loop(s) of a for or parallel for |
8790 | // construct may be listed in a private or lastprivate clause. |
8791 | DSAStackTy::DSAVarData DVar = |
8792 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
8793 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable |
8794 | // is declared in the loop and it is predetermined as a private. |
8795 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); |
8796 | OpenMPClauseKind PredeterminedCKind = |
8797 | isOpenMPSimdDirective(DKind) |
8798 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) |
8799 | : OMPC_private; |
8800 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && |
8801 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && |
8802 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && |
8803 | DVar.CKind != OMPC_private))) || |
8804 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || |
8805 | DKind == OMPD_master_taskloop || |
8806 | DKind == OMPD_parallel_master_taskloop || |
8807 | isOpenMPDistributeDirective(DKind)) && |
8808 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && |
8809 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && |
8810 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { |
8811 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) |
8812 | << getOpenMPClauseName(DVar.CKind) |
8813 | << getOpenMPDirectiveName(DKind) |
8814 | << getOpenMPClauseName(PredeterminedCKind); |
8815 | if (DVar.RefExpr == nullptr) |
8816 | DVar.CKind = PredeterminedCKind; |
8817 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, |
8818 | /*IsLoopIterVar=*/true); |
8819 | } else if (LoopDeclRefExpr) { |
8820 | // Make the loop iteration variable private (for worksharing |
8821 | // constructs), linear (for simd directives with the only one |
8822 | // associated loop) or lastprivate (for simd directives with several |
8823 | // collapsed or ordered loops). |
8824 | if (DVar.CKind == OMPC_unknown) |
8825 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, |
8826 | PrivateRef); |
8827 | } |
8828 | } |
8829 | } |
8830 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); |
8831 | } |
8832 | } |
8833 | |
8834 | /// Called on a for stmt to check and extract its iteration space |
8835 | /// for further processing (such as collapsing). |
8836 | static bool checkOpenMPIterationSpace( |
8837 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, |
8838 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, |
8839 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, |
8840 | Expr *OrderedLoopCountExpr, |
8841 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, |
8842 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, |
8843 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
8844 | bool SupportsNonRectangular = !isOpenMPLoopTransformationDirective(DKind); |
8845 | // OpenMP [2.9.1, Canonical Loop Form] |
8846 | // for (init-expr; test-expr; incr-expr) structured-block |
8847 | // for (range-decl: range-expr) structured-block |
8848 | if (auto *CanonLoop = dyn_cast_or_null<OMPCanonicalLoop>(S)) |
8849 | S = CanonLoop->getLoopStmt(); |
8850 | auto *For = dyn_cast_or_null<ForStmt>(S); |
8851 | auto *CXXFor = dyn_cast_or_null<CXXForRangeStmt>(S); |
8852 | // Ranged for is supported only in OpenMP 5.0. |
8853 | if (!For && (SemaRef.LangOpts.OpenMP <= 45 || !CXXFor)) { |
8854 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) |
8855 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) |
8856 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount |
8857 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; |
8858 | if (TotalNestedLoopCount > 1) { |
8859 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) |
8860 | SemaRef.Diag(DSA.getConstructLoc(), |
8861 | diag::note_omp_collapse_ordered_expr) |
8862 | << 2 << CollapseLoopCountExpr->getSourceRange() |
8863 | << OrderedLoopCountExpr->getSourceRange(); |
8864 | else if (CollapseLoopCountExpr) |
8865 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), |
8866 | diag::note_omp_collapse_ordered_expr) |
8867 | << 0 << CollapseLoopCountExpr->getSourceRange(); |
8868 | else |
8869 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), |
8870 | diag::note_omp_collapse_ordered_expr) |
8871 | << 1 << OrderedLoopCountExpr->getSourceRange(); |
8872 | } |
8873 | return true; |
8874 | } |
8875 | assert(((For && For->getBody()) || (CXXFor && CXXFor->getBody())) &&(static_cast <bool> (((For && For->getBody() ) || (CXXFor && CXXFor->getBody())) && "No loop body." ) ? void (0) : __assert_fail ("((For && For->getBody()) || (CXXFor && CXXFor->getBody())) && \"No loop body.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8876, __extension__ __PRETTY_FUNCTION__ )) |
8876 | "No loop body.")(static_cast <bool> (((For && For->getBody() ) || (CXXFor && CXXFor->getBody())) && "No loop body." ) ? void (0) : __assert_fail ("((For && For->getBody()) || (CXXFor && CXXFor->getBody())) && \"No loop body.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8876, __extension__ __PRETTY_FUNCTION__ )); |
8877 | // Postpone analysis in dependent contexts for ranged for loops. |
8878 | if (CXXFor && SemaRef.CurContext->isDependentContext()) |
8879 | return false; |
8880 | |
8881 | OpenMPIterationSpaceChecker ISC(SemaRef, SupportsNonRectangular, DSA, |
8882 | For ? For->getForLoc() : CXXFor->getForLoc()); |
8883 | |
8884 | // Check init. |
8885 | Stmt *Init = For ? For->getInit() : CXXFor->getBeginStmt(); |
8886 | if (ISC.checkAndSetInit(Init)) |
8887 | return true; |
8888 | |
8889 | bool HasErrors = false; |
8890 | |
8891 | // Check loop variable's type. |
8892 | if (ValueDecl *LCDecl = ISC.getLoopDecl()) { |
8893 | // OpenMP [2.6, Canonical Loop Form] |
8894 | // Var is one of the following: |
8895 | // A variable of signed or unsigned integer type. |
8896 | // For C++, a variable of a random access iterator type. |
8897 | // For C, a variable of a pointer type. |
8898 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8899 | if (!VarType->isDependentType() && !VarType->isIntegerType() && |
8900 | !VarType->isPointerType() && |
8901 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { |
8902 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) |
8903 | << SemaRef.getLangOpts().CPlusPlus; |
8904 | HasErrors = true; |
8905 | } |
8906 | |
8907 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in |
8908 | // a Construct |
8909 | // The loop iteration variable(s) in the associated for-loop(s) of a for or |
8910 | // parallel for construct is (are) private. |
8911 | // The loop iteration variable in the associated for-loop of a simd |
8912 | // construct with just one associated for-loop is linear with a |
8913 | // constant-linear-step that is the increment of the associated for-loop. |
8914 | // Exclude loop var from the list of variables with implicitly defined data |
8915 | // sharing attributes. |
8916 | VarsWithImplicitDSA.erase(LCDecl); |
8917 | |
8918 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")(static_cast <bool> (isOpenMPLoopDirective(DKind) && "DSA for non-loop vars") ? void (0) : __assert_fail ("isOpenMPLoopDirective(DKind) && \"DSA for non-loop vars\"" , "clang/lib/Sema/SemaOpenMP.cpp", 8918, __extension__ __PRETTY_FUNCTION__ )); |
8919 | |
8920 | // Check test-expr. |
8921 | HasErrors |= ISC.checkAndSetCond(For ? For->getCond() : CXXFor->getCond()); |
8922 | |
8923 | // Check incr-expr. |
8924 | HasErrors |= ISC.checkAndSetInc(For ? For->getInc() : CXXFor->getInc()); |
8925 | } |
8926 | |
8927 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) |
8928 | return HasErrors; |
8929 | |
8930 | // Build the loop's iteration space representation. |
8931 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond( |
8932 | DSA.getCurScope(), For ? For->getCond() : CXXFor->getCond(), Captures); |
8933 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = |
8934 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, |
8935 | (isOpenMPWorksharingDirective(DKind) || |
8936 | isOpenMPGenericLoopDirective(DKind) || |
8937 | isOpenMPTaskLoopDirective(DKind) || |
8938 | isOpenMPDistributeDirective(DKind) || |
8939 | isOpenMPLoopTransformationDirective(DKind)), |
8940 | Captures); |
8941 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = |
8942 | ISC.buildCounterVar(Captures, DSA); |
8943 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = |
8944 | ISC.buildPrivateCounterVar(); |
8945 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); |
8946 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); |
8947 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); |
8948 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = |
8949 | ISC.getConditionSrcRange(); |
8950 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = |
8951 | ISC.getIncrementSrcRange(); |
8952 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); |
8953 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = |
8954 | ISC.isStrictTestOp(); |
8955 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, |
8956 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = |
8957 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); |
8958 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = |
8959 | ISC.buildFinalCondition(DSA.getCurScope()); |
8960 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = |
8961 | ISC.doesInitDependOnLC(); |
8962 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = |
8963 | ISC.doesCondDependOnLC(); |
8964 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = |
8965 | ISC.getLoopDependentIdx(); |
8966 | |
8967 | HasErrors |= |
8968 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || |
8969 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || |
8970 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || |
8971 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || |
8972 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || |
8973 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); |
8974 | if (!HasErrors && DSA.isOrderedRegion()) { |
8975 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { |
8976 | if (CurrentNestedLoopCount < |
8977 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { |
8978 | DSA.getOrderedRegionParam().second->setLoopNumIterations( |
8979 | CurrentNestedLoopCount, |
8980 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); |
8981 | DSA.getOrderedRegionParam().second->setLoopCounter( |
8982 | CurrentNestedLoopCount, |
8983 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); |
8984 | } |
8985 | } |
8986 | for (auto &Pair : DSA.getDoacrossDependClauses()) { |
8987 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { |
8988 | // Erroneous case - clause has some problems. |
8989 | continue; |
8990 | } |
8991 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && |
8992 | Pair.second.size() <= CurrentNestedLoopCount) { |
8993 | // Erroneous case - clause has some problems. |
8994 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); |
8995 | continue; |
8996 | } |
8997 | Expr *CntValue; |
8998 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) |
8999 | CntValue = ISC.buildOrderedLoopData( |
9000 | DSA.getCurScope(), |
9001 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, |
9002 | Pair.first->getDependencyLoc()); |
9003 | else |
9004 | CntValue = ISC.buildOrderedLoopData( |
9005 | DSA.getCurScope(), |
9006 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, |
9007 | Pair.first->getDependencyLoc(), |
9008 | Pair.second[CurrentNestedLoopCount].first, |
9009 | Pair.second[CurrentNestedLoopCount].second); |
9010 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); |
9011 | } |
9012 | } |
9013 | |
9014 | return HasErrors; |
9015 | } |
9016 | |
9017 | /// Build 'VarRef = Start. |
9018 | static ExprResult |
9019 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, |
9020 | ExprResult Start, bool IsNonRectangularLB, |
9021 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
9022 | // Build 'VarRef = Start. |
9023 | ExprResult NewStart = IsNonRectangularLB |
9024 | ? Start.get() |
9025 | : tryBuildCapture(SemaRef, Start.get(), Captures); |
9026 | if (!NewStart.isUsable()) |
9027 | return ExprError(); |
9028 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), |
9029 | VarRef.get()->getType())) { |
9030 | NewStart = SemaRef.PerformImplicitConversion( |
9031 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, |
9032 | /*AllowExplicit=*/true); |
9033 | if (!NewStart.isUsable()) |
9034 | return ExprError(); |
9035 | } |
9036 | |
9037 | ExprResult Init = |
9038 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); |
9039 | return Init; |
9040 | } |
9041 | |
9042 | /// Build 'VarRef = Start + Iter * Step'. |
9043 | static ExprResult buildCounterUpdate( |
9044 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, |
9045 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, |
9046 | bool IsNonRectangularLB, |
9047 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { |
9048 | // Add parentheses (for debugging purposes only). |
9049 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); |
9050 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || |
9051 | !Step.isUsable()) |
9052 | return ExprError(); |
9053 | |
9054 | ExprResult NewStep = Step; |
9055 | if (Captures) |
9056 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); |
9057 | if (NewStep.isInvalid()) |
9058 | return ExprError(); |
9059 | ExprResult Update = |
9060 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); |
9061 | if (!Update.isUsable()) |
9062 | return ExprError(); |
9063 | |
9064 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or |
9065 | // 'VarRef = Start (+|-) Iter * Step'. |
9066 | if (!Start.isUsable()) |
9067 | return ExprError(); |
9068 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); |
9069 | if (!NewStart.isUsable()) |
9070 | return ExprError(); |
9071 | if (Captures && !IsNonRectangularLB) |
9072 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); |
9073 | if (NewStart.isInvalid()) |
9074 | return ExprError(); |
9075 | |
9076 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. |
9077 | ExprResult SavedUpdate = Update; |
9078 | ExprResult UpdateVal; |
9079 | if (VarRef.get()->getType()->isOverloadableType() || |
9080 | NewStart.get()->getType()->isOverloadableType() || |
9081 | Update.get()->getType()->isOverloadableType()) { |
9082 | Sema::TentativeAnalysisScope Trap(SemaRef); |
9083 | |
9084 | Update = |
9085 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); |
9086 | if (Update.isUsable()) { |
9087 | UpdateVal = |
9088 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, |
9089 | VarRef.get(), SavedUpdate.get()); |
9090 | if (UpdateVal.isUsable()) { |
9091 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), |
9092 | UpdateVal.get()); |
9093 | } |
9094 | } |
9095 | } |
9096 | |
9097 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. |
9098 | if (!Update.isUsable() || !UpdateVal.isUsable()) { |
9099 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, |
9100 | NewStart.get(), SavedUpdate.get()); |
9101 | if (!Update.isUsable()) |
9102 | return ExprError(); |
9103 | |
9104 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), |
9105 | VarRef.get()->getType())) { |
9106 | Update = SemaRef.PerformImplicitConversion( |
9107 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); |
9108 | if (!Update.isUsable()) |
9109 | return ExprError(); |
9110 | } |
9111 | |
9112 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); |
9113 | } |
9114 | return Update; |
9115 | } |
9116 | |
9117 | /// Convert integer expression \a E to make it have at least \a Bits |
9118 | /// bits. |
9119 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { |
9120 | if (E == nullptr) |
9121 | return ExprError(); |
9122 | ASTContext &C = SemaRef.Context; |
9123 | QualType OldType = E->getType(); |
9124 | unsigned HasBits = C.getTypeSize(OldType); |
9125 | if (HasBits >= Bits) |
9126 | return ExprResult(E); |
9127 | // OK to convert to signed, because new type has more bits than old. |
9128 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); |
9129 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, |
9130 | true); |
9131 | } |
9132 | |
9133 | /// Check if the given expression \a E is a constant integer that fits |
9134 | /// into \a Bits bits. |
9135 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { |
9136 | if (E == nullptr) |
9137 | return false; |
9138 | if (Optional<llvm::APSInt> Result = |
9139 | E->getIntegerConstantExpr(SemaRef.Context)) |
9140 | return Signed ? Result->isSignedIntN(Bits) : Result->isIntN(Bits); |
9141 | return false; |
9142 | } |
9143 | |
9144 | /// Build preinits statement for the given declarations. |
9145 | static Stmt *buildPreInits(ASTContext &Context, |
9146 | MutableArrayRef<Decl *> PreInits) { |
9147 | if (!PreInits.empty()) { |
9148 | return new (Context) DeclStmt( |
9149 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), |
9150 | SourceLocation(), SourceLocation()); |
9151 | } |
9152 | return nullptr; |
9153 | } |
9154 | |
9155 | /// Build preinits statement for the given declarations. |
9156 | static Stmt * |
9157 | buildPreInits(ASTContext &Context, |
9158 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
9159 | if (!Captures.empty()) { |
9160 | SmallVector<Decl *, 16> PreInits; |
9161 | for (const auto &Pair : Captures) |
9162 | PreInits.push_back(Pair.second->getDecl()); |
9163 | return buildPreInits(Context, PreInits); |
9164 | } |
9165 | return nullptr; |
9166 | } |
9167 | |
9168 | /// Build postupdate expression for the given list of postupdates expressions. |
9169 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { |
9170 | Expr *PostUpdate = nullptr; |
9171 | if (!PostUpdates.empty()) { |
9172 | for (Expr *E : PostUpdates) { |
9173 | Expr *ConvE = S.BuildCStyleCastExpr( |
9174 | E->getExprLoc(), |
9175 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), |
9176 | E->getExprLoc(), E) |
9177 | .get(); |
9178 | PostUpdate = PostUpdate |
9179 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, |
9180 | PostUpdate, ConvE) |
9181 | .get() |
9182 | : ConvE; |
9183 | } |
9184 | } |
9185 | return PostUpdate; |
9186 | } |
9187 | |
9188 | /// Called on a for stmt to check itself and nested loops (if any). |
9189 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, |
9190 | /// number of collapsed loops otherwise. |
9191 | static unsigned |
9192 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, |
9193 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, |
9194 | DSAStackTy &DSA, |
9195 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, |
9196 | OMPLoopBasedDirective::HelperExprs &Built) { |
9197 | unsigned NestedLoopCount = 1; |
9198 | bool SupportsNonPerfectlyNested = (SemaRef.LangOpts.OpenMP >= 50) && |
9199 | !isOpenMPLoopTransformationDirective(DKind); |
9200 | |
9201 | if (CollapseLoopCountExpr) { |
9202 | // Found 'collapse' clause - calculate collapse number. |
9203 | Expr::EvalResult Result; |
9204 | if (!CollapseLoopCountExpr->isValueDependent() && |
9205 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { |
9206 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); |
9207 | } else { |
9208 | Built.clear(/*Size=*/1); |
9209 | return 1; |
9210 | } |
9211 | } |
9212 | unsigned OrderedLoopCount = 1; |
9213 | if (OrderedLoopCountExpr) { |
9214 | // Found 'ordered' clause - calculate collapse number. |
9215 | Expr::EvalResult EVResult; |
9216 | if (!OrderedLoopCountExpr->isValueDependent() && |
9217 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, |
9218 | SemaRef.getASTContext())) { |
9219 | llvm::APSInt Result = EVResult.Val.getInt(); |
9220 | if (Result.getLimitedValue() < NestedLoopCount) { |
9221 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), |
9222 | diag::err_omp_wrong_ordered_loop_count) |
9223 | << OrderedLoopCountExpr->getSourceRange(); |
9224 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), |
9225 | diag::note_collapse_loop_count) |
9226 | << CollapseLoopCountExpr->getSourceRange(); |
9227 | } |
9228 | OrderedLoopCount = Result.getLimitedValue(); |
9229 | } else { |
9230 | Built.clear(/*Size=*/1); |
9231 | return 1; |
9232 | } |
9233 | } |
9234 | // This is helper routine for loop directives (e.g., 'for', 'simd', |
9235 | // 'for simd', etc.). |
9236 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
9237 | unsigned NumLoops = std::max(OrderedLoopCount, NestedLoopCount); |
9238 | SmallVector<LoopIterationSpace, 4> IterSpaces(NumLoops); |
9239 | if (!OMPLoopBasedDirective::doForAllLoops( |
9240 | AStmt->IgnoreContainers(!isOpenMPLoopTransformationDirective(DKind)), |
9241 | SupportsNonPerfectlyNested, NumLoops, |
9242 | [DKind, &SemaRef, &DSA, NumLoops, NestedLoopCount, |
9243 | CollapseLoopCountExpr, OrderedLoopCountExpr, &VarsWithImplicitDSA, |
9244 | &IterSpaces, &Captures](unsigned Cnt, Stmt *CurStmt) { |
9245 | if (checkOpenMPIterationSpace( |
9246 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, |
9247 | NumLoops, CollapseLoopCountExpr, OrderedLoopCountExpr, |
9248 | VarsWithImplicitDSA, IterSpaces, Captures)) |
9249 | return true; |
9250 | if (Cnt > 0 && Cnt >= NestedLoopCount && |
9251 | IterSpaces[Cnt].CounterVar) { |
9252 | // Handle initialization of captured loop iterator variables. |
9253 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); |
9254 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { |
9255 | Captures[DRE] = DRE; |
9256 | } |
9257 | } |
9258 | return false; |
9259 | }, |
9260 | [&SemaRef, &Captures](OMPLoopTransformationDirective *Transform) { |
9261 | Stmt *DependentPreInits = Transform->getPreInits(); |
9262 | if (!DependentPreInits) |
9263 | return; |
9264 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) { |
9265 | auto *D = cast<VarDecl>(C); |
9266 | DeclRefExpr *Ref = buildDeclRefExpr(SemaRef, D, D->getType(), |
9267 | Transform->getBeginLoc()); |
9268 | Captures[Ref] = Ref; |
9269 | } |
9270 | })) |
9271 | return 0; |
9272 | |
9273 | Built.clear(/* size */ NestedLoopCount); |
9274 | |
9275 | if (SemaRef.CurContext->isDependentContext()) |
9276 | return NestedLoopCount; |
9277 | |
9278 | // An example of what is generated for the following code: |
9279 | // |
9280 | // #pragma omp simd collapse(2) ordered(2) |
9281 | // for (i = 0; i < NI; ++i) |
9282 | // for (k = 0; k < NK; ++k) |
9283 | // for (j = J0; j < NJ; j+=2) { |
9284 | // <loop body> |
9285 | // } |
9286 | // |
9287 | // We generate the code below. |
9288 | // Note: the loop body may be outlined in CodeGen. |
9289 | // Note: some counters may be C++ classes, operator- is used to find number of |
9290 | // iterations and operator+= to calculate counter value. |
9291 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 |
9292 | // or i64 is currently supported). |
9293 | // |
9294 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) |
9295 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { |
9296 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); |
9297 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; |
9298 | // // similar updates for vars in clauses (e.g. 'linear') |
9299 | // <loop body (using local i and j)> |
9300 | // } |
9301 | // i = NI; // assign final values of counters |
9302 | // j = NJ; |
9303 | // |
9304 | |
9305 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are |
9306 | // the iteration counts of the collapsed for loops. |
9307 | // Precondition tests if there is at least one iteration (all conditions are |
9308 | // true). |
9309 | auto PreCond = ExprResult(IterSpaces[0].PreCond); |
9310 | Expr *N0 = IterSpaces[0].NumIterations; |
9311 | ExprResult LastIteration32 = |
9312 | widenIterationCount(/*Bits=*/32, |
9313 | SemaRef |
9314 | .PerformImplicitConversion( |
9315 | N0->IgnoreImpCasts(), N0->getType(), |
9316 | Sema::AA_Converting, /*AllowExplicit=*/true) |
9317 | .get(), |
9318 | SemaRef); |
9319 | ExprResult LastIteration64 = widenIterationCount( |
9320 | /*Bits=*/64, |
9321 | SemaRef |
9322 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), |
9323 | Sema::AA_Converting, |
9324 | /*AllowExplicit=*/true) |
9325 | .get(), |
9326 | SemaRef); |
9327 | |
9328 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) |
9329 | return NestedLoopCount; |
9330 | |
9331 | ASTContext &C = SemaRef.Context; |
9332 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; |
9333 | |
9334 | Scope *CurScope = DSA.getCurScope(); |
9335 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { |
9336 | if (PreCond.isUsable()) { |
9337 | PreCond = |
9338 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, |
9339 | PreCond.get(), IterSpaces[Cnt].PreCond); |
9340 | } |
9341 | Expr *N = IterSpaces[Cnt].NumIterations; |
9342 | SourceLocation Loc = N->getExprLoc(); |
9343 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; |
9344 | if (LastIteration32.isUsable()) |
9345 | LastIteration32 = SemaRef.BuildBinOp( |
9346 | CurScope, Loc, BO_Mul, LastIteration32.get(), |
9347 | SemaRef |
9348 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), |
9349 | Sema::AA_Converting, |
9350 | /*AllowExplicit=*/true) |
9351 | .get()); |
9352 | if (LastIteration64.isUsable()) |
9353 | LastIteration64 = SemaRef.BuildBinOp( |
9354 | CurScope, Loc, BO_Mul, LastIteration64.get(), |
9355 | SemaRef |
9356 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), |
9357 | Sema::AA_Converting, |
9358 | /*AllowExplicit=*/true) |
9359 | .get()); |
9360 | } |
9361 | |
9362 | // Choose either the 32-bit or 64-bit version. |
9363 | ExprResult LastIteration = LastIteration64; |
9364 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || |
9365 | (LastIteration32.isUsable() && |
9366 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && |
9367 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || |
9368 | fitsInto( |
9369 | /*Bits=*/32, |
9370 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), |
9371 | LastIteration64.get(), SemaRef)))) |
9372 | LastIteration = LastIteration32; |
9373 | QualType VType = LastIteration.get()->getType(); |
9374 | QualType RealVType = VType; |
9375 | QualType StrideVType = VType; |
9376 | if (isOpenMPTaskLoopDirective(DKind)) { |
9377 | VType = |
9378 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); |
9379 | StrideVType = |
9380 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); |
9381 | } |
9382 | |
9383 | if (!LastIteration.isUsable()) |
9384 | return 0; |
9385 | |
9386 | // Save the number of iterations. |
9387 | ExprResult NumIterations = LastIteration; |
9388 | { |
9389 | LastIteration = SemaRef.BuildBinOp( |
9390 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, |
9391 | LastIteration.get(), |
9392 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
9393 | if (!LastIteration.isUsable()) |
9394 | return 0; |
9395 | } |
9396 | |
9397 | // Calculate the last iteration number beforehand instead of doing this on |
9398 | // each iteration. Do not do this if the number of iterations may be kfold-ed. |
9399 | bool IsConstant = LastIteration.get()->isIntegerConstantExpr(SemaRef.Context); |
9400 | ExprResult CalcLastIteration; |
9401 | if (!IsConstant) { |
9402 | ExprResult SaveRef = |
9403 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); |
9404 | LastIteration = SaveRef; |
9405 | |
9406 | // Prepare SaveRef + 1. |
9407 | NumIterations = SemaRef.BuildBinOp( |
9408 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), |
9409 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
9410 | if (!NumIterations.isUsable()) |
9411 | return 0; |
9412 | } |
9413 | |
9414 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); |
9415 | |
9416 | // Build variables passed into runtime, necessary for worksharing directives. |
9417 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; |
9418 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || |
9419 | isOpenMPDistributeDirective(DKind) || |
9420 | isOpenMPGenericLoopDirective(DKind) || |
9421 | isOpenMPLoopTransformationDirective(DKind)) { |
9422 | // Lower bound variable, initialized with zero. |
9423 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); |
9424 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); |
9425 | SemaRef.AddInitializerToDecl(LBDecl, |
9426 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9427 | /*DirectInit*/ false); |
9428 | |
9429 | // Upper bound variable, initialized with last iteration number. |
9430 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); |
9431 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); |
9432 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), |
9433 | /*DirectInit*/ false); |
9434 | |
9435 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. |
9436 | // This will be used to implement clause 'lastprivate'. |
9437 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); |
9438 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); |
9439 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); |
9440 | SemaRef.AddInitializerToDecl(ILDecl, |
9441 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9442 | /*DirectInit*/ false); |
9443 | |
9444 | // Stride variable returned by runtime (we initialize it to 1 by default). |
9445 | VarDecl *STDecl = |
9446 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); |
9447 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); |
9448 | SemaRef.AddInitializerToDecl(STDecl, |
9449 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), |
9450 | /*DirectInit*/ false); |
9451 | |
9452 | // Build expression: UB = min(UB, LastIteration) |
9453 | // It is necessary for CodeGen of directives with static scheduling. |
9454 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, |
9455 | UB.get(), LastIteration.get()); |
9456 | ExprResult CondOp = SemaRef.ActOnConditionalOp( |
9457 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), |
9458 | LastIteration.get(), UB.get()); |
9459 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), |
9460 | CondOp.get()); |
9461 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); |
9462 | |
9463 | // If we have a combined directive that combines 'distribute', 'for' or |
9464 | // 'simd' we need to be able to access the bounds of the schedule of the |
9465 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained |
9466 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. |
9467 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9468 | // Lower bound variable, initialized with zero. |
9469 | VarDecl *CombLBDecl = |
9470 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); |
9471 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); |
9472 | SemaRef.AddInitializerToDecl( |
9473 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9474 | /*DirectInit*/ false); |
9475 | |
9476 | // Upper bound variable, initialized with last iteration number. |
9477 | VarDecl *CombUBDecl = |
9478 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); |
9479 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); |
9480 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), |
9481 | /*DirectInit*/ false); |
9482 | |
9483 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( |
9484 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); |
9485 | ExprResult CombCondOp = |
9486 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), |
9487 | LastIteration.get(), CombUB.get()); |
9488 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), |
9489 | CombCondOp.get()); |
9490 | CombEUB = |
9491 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); |
9492 | |
9493 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); |
9494 | // We expect to have at least 2 more parameters than the 'parallel' |
9495 | // directive does - the lower and upper bounds of the previous schedule. |
9496 | assert(CD->getNumParams() >= 4 &&(static_cast <bool> (CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? void (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9497, __extension__ __PRETTY_FUNCTION__ )) |
9497 | "Unexpected number of parameters in loop combined directive")(static_cast <bool> (CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? void (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9497, __extension__ __PRETTY_FUNCTION__ )); |
9498 | |
9499 | // Set the proper type for the bounds given what we learned from the |
9500 | // enclosed loops. |
9501 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); |
9502 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); |
9503 | |
9504 | // Previous lower and upper bounds are obtained from the region |
9505 | // parameters. |
9506 | PrevLB = |
9507 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); |
9508 | PrevUB = |
9509 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); |
9510 | } |
9511 | } |
9512 | |
9513 | // Build the iteration variable and its initialization before loop. |
9514 | ExprResult IV; |
9515 | ExprResult Init, CombInit; |
9516 | { |
9517 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); |
9518 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); |
9519 | Expr *RHS = (isOpenMPWorksharingDirective(DKind) || |
9520 | isOpenMPGenericLoopDirective(DKind) || |
9521 | isOpenMPTaskLoopDirective(DKind) || |
9522 | isOpenMPDistributeDirective(DKind) || |
9523 | isOpenMPLoopTransformationDirective(DKind)) |
9524 | ? LB.get() |
9525 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); |
9526 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); |
9527 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); |
9528 | |
9529 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9530 | Expr *CombRHS = |
9531 | (isOpenMPWorksharingDirective(DKind) || |
9532 | isOpenMPGenericLoopDirective(DKind) || |
9533 | isOpenMPTaskLoopDirective(DKind) || |
9534 | isOpenMPDistributeDirective(DKind)) |
9535 | ? CombLB.get() |
9536 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); |
9537 | CombInit = |
9538 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); |
9539 | CombInit = |
9540 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); |
9541 | } |
9542 | } |
9543 | |
9544 | bool UseStrictCompare = |
9545 | RealVType->hasUnsignedIntegerRepresentation() && |
9546 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { |
9547 | return LIS.IsStrictCompare; |
9548 | }); |
9549 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for |
9550 | // unsigned IV)) for worksharing loops. |
9551 | SourceLocation CondLoc = AStmt->getBeginLoc(); |
9552 | Expr *BoundUB = UB.get(); |
9553 | if (UseStrictCompare) { |
9554 | BoundUB = |
9555 | SemaRef |
9556 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, |
9557 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9558 | .get(); |
9559 | BoundUB = |
9560 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); |
9561 | } |
9562 | ExprResult Cond = |
9563 | (isOpenMPWorksharingDirective(DKind) || |
9564 | isOpenMPGenericLoopDirective(DKind) || |
9565 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind) || |
9566 | isOpenMPLoopTransformationDirective(DKind)) |
9567 | ? SemaRef.BuildBinOp(CurScope, CondLoc, |
9568 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), |
9569 | BoundUB) |
9570 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), |
9571 | NumIterations.get()); |
9572 | ExprResult CombDistCond; |
9573 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9574 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), |
9575 | NumIterations.get()); |
9576 | } |
9577 | |
9578 | ExprResult CombCond; |
9579 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9580 | Expr *BoundCombUB = CombUB.get(); |
9581 | if (UseStrictCompare) { |
9582 | BoundCombUB = |
9583 | SemaRef |
9584 | .BuildBinOp( |
9585 | CurScope, CondLoc, BO_Add, BoundCombUB, |
9586 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9587 | .get(); |
9588 | BoundCombUB = |
9589 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) |
9590 | .get(); |
9591 | } |
9592 | CombCond = |
9593 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, |
9594 | IV.get(), BoundCombUB); |
9595 | } |
9596 | // Loop increment (IV = IV + 1) |
9597 | SourceLocation IncLoc = AStmt->getBeginLoc(); |
9598 | ExprResult Inc = |
9599 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), |
9600 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); |
9601 | if (!Inc.isUsable()) |
9602 | return 0; |
9603 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); |
9604 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); |
9605 | if (!Inc.isUsable()) |
9606 | return 0; |
9607 | |
9608 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). |
9609 | // Used for directives with static scheduling. |
9610 | // In combined construct, add combined version that use CombLB and CombUB |
9611 | // base variables for the update |
9612 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; |
9613 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || |
9614 | isOpenMPGenericLoopDirective(DKind) || |
9615 | isOpenMPDistributeDirective(DKind) || |
9616 | isOpenMPLoopTransformationDirective(DKind)) { |
9617 | // LB + ST |
9618 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); |
9619 | if (!NextLB.isUsable()) |
9620 | return 0; |
9621 | // LB = LB + ST |
9622 | NextLB = |
9623 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); |
9624 | NextLB = |
9625 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); |
9626 | if (!NextLB.isUsable()) |
9627 | return 0; |
9628 | // UB + ST |
9629 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); |
9630 | if (!NextUB.isUsable()) |
9631 | return 0; |
9632 | // UB = UB + ST |
9633 | NextUB = |
9634 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); |
9635 | NextUB = |
9636 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); |
9637 | if (!NextUB.isUsable()) |
9638 | return 0; |
9639 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9640 | CombNextLB = |
9641 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); |
9642 | if (!NextLB.isUsable()) |
9643 | return 0; |
9644 | // LB = LB + ST |
9645 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), |
9646 | CombNextLB.get()); |
9647 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), |
9648 | /*DiscardedValue*/ false); |
9649 | if (!CombNextLB.isUsable()) |
9650 | return 0; |
9651 | // UB + ST |
9652 | CombNextUB = |
9653 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); |
9654 | if (!CombNextUB.isUsable()) |
9655 | return 0; |
9656 | // UB = UB + ST |
9657 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), |
9658 | CombNextUB.get()); |
9659 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), |
9660 | /*DiscardedValue*/ false); |
9661 | if (!CombNextUB.isUsable()) |
9662 | return 0; |
9663 | } |
9664 | } |
9665 | |
9666 | // Create increment expression for distribute loop when combined in a same |
9667 | // directive with for as IV = IV + ST; ensure upper bound expression based |
9668 | // on PrevUB instead of NumIterations - used to implement 'for' when found |
9669 | // in combination with 'distribute', like in 'distribute parallel for' |
9670 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); |
9671 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; |
9672 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9673 | DistCond = SemaRef.BuildBinOp( |
9674 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); |
9675 | assert(DistCond.isUsable() && "distribute cond expr was not built")(static_cast <bool> (DistCond.isUsable() && "distribute cond expr was not built" ) ? void (0) : __assert_fail ("DistCond.isUsable() && \"distribute cond expr was not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9675, __extension__ __PRETTY_FUNCTION__ )); |
9676 | |
9677 | DistInc = |
9678 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); |
9679 | assert(DistInc.isUsable() && "distribute inc expr was not built")(static_cast <bool> (DistInc.isUsable() && "distribute inc expr was not built" ) ? void (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9679, __extension__ __PRETTY_FUNCTION__ )); |
9680 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), |
9681 | DistInc.get()); |
9682 | DistInc = |
9683 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); |
9684 | assert(DistInc.isUsable() && "distribute inc expr was not built")(static_cast <bool> (DistInc.isUsable() && "distribute inc expr was not built" ) ? void (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9684, __extension__ __PRETTY_FUNCTION__ )); |
9685 | |
9686 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined |
9687 | // construct |
9688 | ExprResult NewPrevUB = PrevUB; |
9689 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); |
9690 | if (!SemaRef.Context.hasSameType(UB.get()->getType(), |
9691 | PrevUB.get()->getType())) { |
9692 | NewPrevUB = SemaRef.BuildCStyleCastExpr( |
9693 | DistEUBLoc, |
9694 | SemaRef.Context.getTrivialTypeSourceInfo(UB.get()->getType()), |
9695 | DistEUBLoc, NewPrevUB.get()); |
9696 | if (!NewPrevUB.isUsable()) |
9697 | return 0; |
9698 | } |
9699 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, |
9700 | UB.get(), NewPrevUB.get()); |
9701 | ExprResult CondOp = SemaRef.ActOnConditionalOp( |
9702 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), NewPrevUB.get(), UB.get()); |
9703 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), |
9704 | CondOp.get()); |
9705 | PrevEUB = |
9706 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); |
9707 | |
9708 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in |
9709 | // parallel for is in combination with a distribute directive with |
9710 | // schedule(static, 1) |
9711 | Expr *BoundPrevUB = PrevUB.get(); |
9712 | if (UseStrictCompare) { |
9713 | BoundPrevUB = |
9714 | SemaRef |
9715 | .BuildBinOp( |
9716 | CurScope, CondLoc, BO_Add, BoundPrevUB, |
9717 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9718 | .get(); |
9719 | BoundPrevUB = |
9720 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) |
9721 | .get(); |
9722 | } |
9723 | ParForInDistCond = |
9724 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, |
9725 | IV.get(), BoundPrevUB); |
9726 | } |
9727 | |
9728 | // Build updates and final values of the loop counters. |
9729 | bool HasErrors = false; |
9730 | Built.Counters.resize(NestedLoopCount); |
9731 | Built.Inits.resize(NestedLoopCount); |
9732 | Built.Updates.resize(NestedLoopCount); |
9733 | Built.Finals.resize(NestedLoopCount); |
9734 | Built.DependentCounters.resize(NestedLoopCount); |
9735 | Built.DependentInits.resize(NestedLoopCount); |
9736 | Built.FinalsConditions.resize(NestedLoopCount); |
9737 | { |
9738 | // We implement the following algorithm for obtaining the |
9739 | // original loop iteration variable values based on the |
9740 | // value of the collapsed loop iteration variable IV. |
9741 | // |
9742 | // Let n+1 be the number of collapsed loops in the nest. |
9743 | // Iteration variables (I0, I1, .... In) |
9744 | // Iteration counts (N0, N1, ... Nn) |
9745 | // |
9746 | // Acc = IV; |
9747 | // |
9748 | // To compute Ik for loop k, 0 <= k <= n, generate: |
9749 | // Prod = N(k+1) * N(k+2) * ... * Nn; |
9750 | // Ik = Acc / Prod; |
9751 | // Acc -= Ik * Prod; |
9752 | // |
9753 | ExprResult Acc = IV; |
9754 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { |
9755 | LoopIterationSpace &IS = IterSpaces[Cnt]; |
9756 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); |
9757 | ExprResult Iter; |
9758 | |
9759 | // Compute prod |
9760 | ExprResult Prod = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); |
9761 | for (unsigned int K = Cnt + 1; K < NestedLoopCount; ++K) |
9762 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), |
9763 | IterSpaces[K].NumIterations); |
9764 | |
9765 | // Iter = Acc / Prod |
9766 | // If there is at least one more inner loop to avoid |
9767 | // multiplication by 1. |
9768 | if (Cnt + 1 < NestedLoopCount) |
9769 | Iter = |
9770 | SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, Acc.get(), Prod.get()); |
9771 | else |
9772 | Iter = Acc; |
9773 | if (!Iter.isUsable()) { |
9774 | HasErrors = true; |
9775 | break; |
9776 | } |
9777 | |
9778 | // Update Acc: |
9779 | // Acc -= Iter * Prod |
9780 | // Check if there is at least one more inner loop to avoid |
9781 | // multiplication by 1. |
9782 | if (Cnt + 1 < NestedLoopCount) |
9783 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Iter.get(), |
9784 | Prod.get()); |
9785 | else |
9786 | Prod = Iter; |
9787 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, Acc.get(), Prod.get()); |
9788 | |
9789 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step |
9790 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); |
9791 | DeclRefExpr *CounterVar = buildDeclRefExpr( |
9792 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), |
9793 | /*RefersToCapture=*/true); |
9794 | ExprResult Init = |
9795 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, |
9796 | IS.CounterInit, IS.IsNonRectangularLB, Captures); |
9797 | if (!Init.isUsable()) { |
9798 | HasErrors = true; |
9799 | break; |
9800 | } |
9801 | ExprResult Update = buildCounterUpdate( |
9802 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, |
9803 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); |
9804 | if (!Update.isUsable()) { |
9805 | HasErrors = true; |
9806 | break; |
9807 | } |
9808 | |
9809 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step |
9810 | ExprResult Final = |
9811 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, |
9812 | IS.CounterInit, IS.NumIterations, IS.CounterStep, |
9813 | IS.Subtract, IS.IsNonRectangularLB, &Captures); |
9814 | if (!Final.isUsable()) { |
9815 | HasErrors = true; |
9816 | break; |
9817 | } |
9818 | |
9819 | if (!Update.isUsable() || !Final.isUsable()) { |
9820 | HasErrors = true; |
9821 | break; |
9822 | } |
9823 | // Save results |
9824 | Built.Counters[Cnt] = IS.CounterVar; |
9825 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; |
9826 | Built.Inits[Cnt] = Init.get(); |
9827 | Built.Updates[Cnt] = Update.get(); |
9828 | Built.Finals[Cnt] = Final.get(); |
9829 | Built.DependentCounters[Cnt] = nullptr; |
9830 | Built.DependentInits[Cnt] = nullptr; |
9831 | Built.FinalsConditions[Cnt] = nullptr; |
9832 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { |
9833 | Built.DependentCounters[Cnt] = |
9834 | Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; |
9835 | Built.DependentInits[Cnt] = |
9836 | Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; |
9837 | Built.FinalsConditions[Cnt] = IS.FinalCondition; |
9838 | } |
9839 | } |
9840 | } |
9841 | |
9842 | if (HasErrors) |
9843 | return 0; |
9844 | |
9845 | // Save results |
9846 | Built.IterationVarRef = IV.get(); |
9847 | Built.LastIteration = LastIteration.get(); |
9848 | Built.NumIterations = NumIterations.get(); |
9849 | Built.CalcLastIteration = SemaRef |
9850 | .ActOnFinishFullExpr(CalcLastIteration.get(), |
9851 | /*DiscardedValue=*/false) |
9852 | .get(); |
9853 | Built.PreCond = PreCond.get(); |
9854 | Built.PreInits = buildPreInits(C, Captures); |
9855 | Built.Cond = Cond.get(); |
9856 | Built.Init = Init.get(); |
9857 | Built.Inc = Inc.get(); |
9858 | Built.LB = LB.get(); |
9859 | Built.UB = UB.get(); |
9860 | Built.IL = IL.get(); |
9861 | Built.ST = ST.get(); |
9862 | Built.EUB = EUB.get(); |
9863 | Built.NLB = NextLB.get(); |
9864 | Built.NUB = NextUB.get(); |
9865 | Built.PrevLB = PrevLB.get(); |
9866 | Built.PrevUB = PrevUB.get(); |
9867 | Built.DistInc = DistInc.get(); |
9868 | Built.PrevEUB = PrevEUB.get(); |
9869 | Built.DistCombinedFields.LB = CombLB.get(); |
9870 | Built.DistCombinedFields.UB = CombUB.get(); |
9871 | Built.DistCombinedFields.EUB = CombEUB.get(); |
9872 | Built.DistCombinedFields.Init = CombInit.get(); |
9873 | Built.DistCombinedFields.Cond = CombCond.get(); |
9874 | Built.DistCombinedFields.NLB = CombNextLB.get(); |
9875 | Built.DistCombinedFields.NUB = CombNextUB.get(); |
9876 | Built.DistCombinedFields.DistCond = CombDistCond.get(); |
9877 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); |
9878 | |
9879 | return NestedLoopCount; |
9880 | } |
9881 | |
9882 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { |
9883 | auto CollapseClauses = |
9884 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); |
9885 | if (CollapseClauses.begin() != CollapseClauses.end()) |
9886 | return (*CollapseClauses.begin())->getNumForLoops(); |
9887 | return nullptr; |
9888 | } |
9889 | |
9890 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { |
9891 | auto OrderedClauses = |
9892 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); |
9893 | if (OrderedClauses.begin() != OrderedClauses.end()) |
9894 | return (*OrderedClauses.begin())->getNumForLoops(); |
9895 | return nullptr; |
9896 | } |
9897 | |
9898 | static bool checkSimdlenSafelenSpecified(Sema &S, |
9899 | const ArrayRef<OMPClause *> Clauses) { |
9900 | const OMPSafelenClause *Safelen = nullptr; |
9901 | const OMPSimdlenClause *Simdlen = nullptr; |
9902 | |
9903 | for (const OMPClause *Clause : Clauses) { |
9904 | if (Clause->getClauseKind() == OMPC_safelen) |
9905 | Safelen = cast<OMPSafelenClause>(Clause); |
9906 | else if (Clause->getClauseKind() == OMPC_simdlen) |
9907 | Simdlen = cast<OMPSimdlenClause>(Clause); |
9908 | if (Safelen && Simdlen) |
9909 | break; |
9910 | } |
9911 | |
9912 | if (Simdlen && Safelen) { |
9913 | const Expr *SimdlenLength = Simdlen->getSimdlen(); |
9914 | const Expr *SafelenLength = Safelen->getSafelen(); |
9915 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || |
9916 | SimdlenLength->isInstantiationDependent() || |
9917 | SimdlenLength->containsUnexpandedParameterPack()) |
9918 | return false; |
9919 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || |
9920 | SafelenLength->isInstantiationDependent() || |
9921 | SafelenLength->containsUnexpandedParameterPack()) |
9922 | return false; |
9923 | Expr::EvalResult SimdlenResult, SafelenResult; |
9924 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); |
9925 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); |
9926 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); |
9927 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); |
9928 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] |
9929 | // If both simdlen and safelen clauses are specified, the value of the |
9930 | // simdlen parameter must be less than or equal to the value of the safelen |
9931 | // parameter. |
9932 | if (SimdlenRes > SafelenRes) { |
9933 | S.Diag(SimdlenLength->getExprLoc(), |
9934 | diag::err_omp_wrong_simdlen_safelen_values) |
9935 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); |
9936 | return true; |
9937 | } |
9938 | } |
9939 | return false; |
9940 | } |
9941 | |
9942 | StmtResult |
9943 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
9944 | SourceLocation StartLoc, SourceLocation EndLoc, |
9945 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
9946 | if (!AStmt) |
9947 | return StmtError(); |
9948 | |
9949 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9949, __extension__ __PRETTY_FUNCTION__ )); |
9950 | OMPLoopBasedDirective::HelperExprs B; |
9951 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
9952 | // define the nested loops number. |
9953 | unsigned NestedLoopCount = checkOpenMPLoop( |
9954 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
9955 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
9956 | if (NestedLoopCount == 0) |
9957 | return StmtError(); |
9958 | |
9959 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9960, __extension__ __PRETTY_FUNCTION__ )) |
9960 | "omp simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9960, __extension__ __PRETTY_FUNCTION__ )); |
9961 | |
9962 | if (!CurContext->isDependentContext()) { |
9963 | // Finalize the clauses that need pre-built expressions for CodeGen. |
9964 | for (OMPClause *C : Clauses) { |
9965 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
9966 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
9967 | B.NumIterations, *this, CurScope, |
9968 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
9969 | return StmtError(); |
9970 | } |
9971 | } |
9972 | |
9973 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
9974 | return StmtError(); |
9975 | |
9976 | setFunctionHasBranchProtectedScope(); |
9977 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, |
9978 | Clauses, AStmt, B); |
9979 | } |
9980 | |
9981 | StmtResult |
9982 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
9983 | SourceLocation StartLoc, SourceLocation EndLoc, |
9984 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
9985 | if (!AStmt) |
9986 | return StmtError(); |
9987 | |
9988 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9988, __extension__ __PRETTY_FUNCTION__ )); |
9989 | OMPLoopBasedDirective::HelperExprs B; |
9990 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
9991 | // define the nested loops number. |
9992 | unsigned NestedLoopCount = checkOpenMPLoop( |
9993 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
9994 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
9995 | if (NestedLoopCount == 0) |
9996 | return StmtError(); |
9997 | |
9998 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9999, __extension__ __PRETTY_FUNCTION__ )) |
9999 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 9999, __extension__ __PRETTY_FUNCTION__ )); |
10000 | |
10001 | if (!CurContext->isDependentContext()) { |
10002 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10003 | for (OMPClause *C : Clauses) { |
10004 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10005 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10006 | B.NumIterations, *this, CurScope, |
10007 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10008 | return StmtError(); |
10009 | } |
10010 | } |
10011 | |
10012 | setFunctionHasBranchProtectedScope(); |
10013 | return OMPForDirective::Create( |
10014 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
10015 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10016 | } |
10017 | |
10018 | StmtResult Sema::ActOnOpenMPForSimdDirective( |
10019 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10020 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10021 | if (!AStmt) |
10022 | return StmtError(); |
10023 | |
10024 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10024, __extension__ __PRETTY_FUNCTION__ )); |
10025 | OMPLoopBasedDirective::HelperExprs B; |
10026 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10027 | // define the nested loops number. |
10028 | unsigned NestedLoopCount = |
10029 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), |
10030 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10031 | VarsWithImplicitDSA, B); |
10032 | if (NestedLoopCount == 0) |
10033 | return StmtError(); |
10034 | |
10035 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10036, __extension__ __PRETTY_FUNCTION__ )) |
10036 | "omp for simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10036, __extension__ __PRETTY_FUNCTION__ )); |
10037 | |
10038 | if (!CurContext->isDependentContext()) { |
10039 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10040 | for (OMPClause *C : Clauses) { |
10041 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10042 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10043 | B.NumIterations, *this, CurScope, |
10044 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10045 | return StmtError(); |
10046 | } |
10047 | } |
10048 | |
10049 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
10050 | return StmtError(); |
10051 | |
10052 | setFunctionHasBranchProtectedScope(); |
10053 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, |
10054 | Clauses, AStmt, B); |
10055 | } |
10056 | |
10057 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, |
10058 | Stmt *AStmt, |
10059 | SourceLocation StartLoc, |
10060 | SourceLocation EndLoc) { |
10061 | if (!AStmt) |
10062 | return StmtError(); |
10063 | |
10064 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10064, __extension__ __PRETTY_FUNCTION__ )); |
10065 | auto BaseStmt = AStmt; |
10066 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) |
10067 | BaseStmt = CS->getCapturedStmt(); |
10068 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { |
10069 | auto S = C->children(); |
10070 | if (S.begin() == S.end()) |
10071 | return StmtError(); |
10072 | // All associated statements must be '#pragma omp section' except for |
10073 | // the first one. |
10074 | for (Stmt *SectionStmt : llvm::drop_begin(S)) { |
10075 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { |
10076 | if (SectionStmt) |
10077 | Diag(SectionStmt->getBeginLoc(), |
10078 | diag::err_omp_sections_substmt_not_section); |
10079 | return StmtError(); |
10080 | } |
10081 | cast<OMPSectionDirective>(SectionStmt) |
10082 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10083 | } |
10084 | } else { |
10085 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); |
10086 | return StmtError(); |
10087 | } |
10088 | |
10089 | setFunctionHasBranchProtectedScope(); |
10090 | |
10091 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
10092 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), |
10093 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10094 | } |
10095 | |
10096 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, |
10097 | SourceLocation StartLoc, |
10098 | SourceLocation EndLoc) { |
10099 | if (!AStmt) |
10100 | return StmtError(); |
10101 | |
10102 | setFunctionHasBranchProtectedScope(); |
10103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10104 | |
10105 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, |
10106 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10107 | } |
10108 | |
10109 | static Expr *getDirectCallExpr(Expr *E) { |
10110 | E = E->IgnoreParenCasts()->IgnoreImplicit(); |
10111 | if (auto *CE = dyn_cast<CallExpr>(E)) |
10112 | if (CE->getDirectCallee()) |
10113 | return E; |
10114 | return nullptr; |
10115 | } |
10116 | |
10117 | StmtResult Sema::ActOnOpenMPDispatchDirective(ArrayRef<OMPClause *> Clauses, |
10118 | Stmt *AStmt, |
10119 | SourceLocation StartLoc, |
10120 | SourceLocation EndLoc) { |
10121 | if (!AStmt) |
10122 | return StmtError(); |
10123 | |
10124 | Stmt *S = cast<CapturedStmt>(AStmt)->getCapturedStmt(); |
10125 | |
10126 | // 5.1 OpenMP |
10127 | // expression-stmt : an expression statement with one of the following forms: |
10128 | // expression = target-call ( [expression-list] ); |
10129 | // target-call ( [expression-list] ); |
10130 | |
10131 | SourceLocation TargetCallLoc; |
10132 | |
10133 | if (!CurContext->isDependentContext()) { |
10134 | Expr *TargetCall = nullptr; |
10135 | |
10136 | auto *E = dyn_cast<Expr>(S); |
10137 | if (!E) { |
10138 | Diag(S->getBeginLoc(), diag::err_omp_dispatch_statement_call); |
10139 | return StmtError(); |
10140 | } |
10141 | |
10142 | E = E->IgnoreParenCasts()->IgnoreImplicit(); |
10143 | |
10144 | if (auto *BO = dyn_cast<BinaryOperator>(E)) { |
10145 | if (BO->getOpcode() == BO_Assign) |
10146 | TargetCall = getDirectCallExpr(BO->getRHS()); |
10147 | } else { |
10148 | if (auto *COCE = dyn_cast<CXXOperatorCallExpr>(E)) |
10149 | if (COCE->getOperator() == OO_Equal) |
10150 | TargetCall = getDirectCallExpr(COCE->getArg(1)); |
10151 | if (!TargetCall) |
10152 | TargetCall = getDirectCallExpr(E); |
10153 | } |
10154 | if (!TargetCall) { |
10155 | Diag(E->getBeginLoc(), diag::err_omp_dispatch_statement_call); |
10156 | return StmtError(); |
10157 | } |
10158 | TargetCallLoc = TargetCall->getExprLoc(); |
10159 | } |
10160 | |
10161 | setFunctionHasBranchProtectedScope(); |
10162 | |
10163 | return OMPDispatchDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
10164 | TargetCallLoc); |
10165 | } |
10166 | |
10167 | static bool checkGenericLoopLastprivate(Sema &S, ArrayRef<OMPClause *> Clauses, |
10168 | OpenMPDirectiveKind K, |
10169 | DSAStackTy *Stack) { |
10170 | bool ErrorFound = false; |
10171 | for (OMPClause *C : Clauses) { |
10172 | if (auto *LPC = dyn_cast<OMPLastprivateClause>(C)) { |
10173 | for (Expr *RefExpr : LPC->varlists()) { |
10174 | SourceLocation ELoc; |
10175 | SourceRange ERange; |
10176 | Expr *SimpleRefExpr = RefExpr; |
10177 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); |
10178 | if (ValueDecl *D = Res.first) { |
10179 | auto &&Info = Stack->isLoopControlVariable(D); |
10180 | if (!Info.first) { |
10181 | S.Diag(ELoc, diag::err_omp_lastprivate_loop_var_non_loop_iteration) |
10182 | << getOpenMPDirectiveName(K); |
10183 | ErrorFound = true; |
10184 | } |
10185 | } |
10186 | } |
10187 | } |
10188 | } |
10189 | return ErrorFound; |
10190 | } |
10191 | |
10192 | StmtResult Sema::ActOnOpenMPGenericLoopDirective( |
10193 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10194 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10195 | if (!AStmt) |
10196 | return StmtError(); |
10197 | |
10198 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10199 | // A list item may not appear in a lastprivate clause unless it is the |
10200 | // loop iteration variable of a loop that is associated with the construct. |
10201 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_loop, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10202 | return StmtError(); |
10203 | |
10204 | auto *CS = cast<CapturedStmt>(AStmt); |
10205 | // 1.2.2 OpenMP Language Terminology |
10206 | // Structured block - An executable statement with a single entry at the |
10207 | // top and a single exit at the bottom. |
10208 | // The point of exit cannot be a branch out of the structured block. |
10209 | // longjmp() and throw() must not violate the entry/exit criteria. |
10210 | CS->getCapturedDecl()->setNothrow(); |
10211 | |
10212 | OMPLoopDirective::HelperExprs B; |
10213 | // In presence of clause 'collapse', it will define the nested loops number. |
10214 | unsigned NestedLoopCount = checkOpenMPLoop( |
10215 | OMPD_loop, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
10216 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
10217 | if (NestedLoopCount == 0) |
10218 | return StmtError(); |
10219 | |
10220 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10221, __extension__ __PRETTY_FUNCTION__ )) |
10221 | "omp loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10221, __extension__ __PRETTY_FUNCTION__ )); |
10222 | |
10223 | setFunctionHasBranchProtectedScope(); |
10224 | return OMPGenericLoopDirective::Create(Context, StartLoc, EndLoc, |
10225 | NestedLoopCount, Clauses, AStmt, B); |
10226 | } |
10227 | |
10228 | StmtResult Sema::ActOnOpenMPTeamsGenericLoopDirective( |
10229 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10230 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10231 | if (!AStmt) |
10232 | return StmtError(); |
10233 | |
10234 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10235 | // A list item may not appear in a lastprivate clause unless it is the |
10236 | // loop iteration variable of a loop that is associated with the construct. |
10237 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_teams_loop, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10238 | return StmtError(); |
10239 | |
10240 | auto *CS = cast<CapturedStmt>(AStmt); |
10241 | // 1.2.2 OpenMP Language Terminology |
10242 | // Structured block - An executable statement with a single entry at the |
10243 | // top and a single exit at the bottom. |
10244 | // The point of exit cannot be a branch out of the structured block. |
10245 | // longjmp() and throw() must not violate the entry/exit criteria. |
10246 | CS->getCapturedDecl()->setNothrow(); |
10247 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_loop); |
10248 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10249 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10250 | // 1.2.2 OpenMP Language Terminology |
10251 | // Structured block - An executable statement with a single entry at the |
10252 | // top and a single exit at the bottom. |
10253 | // The point of exit cannot be a branch out of the structured block. |
10254 | // longjmp() and throw() must not violate the entry/exit criteria. |
10255 | CS->getCapturedDecl()->setNothrow(); |
10256 | } |
10257 | |
10258 | OMPLoopDirective::HelperExprs B; |
10259 | // In presence of clause 'collapse', it will define the nested loops number. |
10260 | unsigned NestedLoopCount = |
10261 | checkOpenMPLoop(OMPD_teams_loop, getCollapseNumberExpr(Clauses), |
10262 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10263 | VarsWithImplicitDSA, B); |
10264 | if (NestedLoopCount == 0) |
10265 | return StmtError(); |
10266 | |
10267 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10268, __extension__ __PRETTY_FUNCTION__ )) |
10268 | "omp loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10268, __extension__ __PRETTY_FUNCTION__ )); |
10269 | |
10270 | setFunctionHasBranchProtectedScope(); |
10271 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
10272 | |
10273 | return OMPTeamsGenericLoopDirective::Create( |
10274 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10275 | } |
10276 | |
10277 | StmtResult Sema::ActOnOpenMPTargetTeamsGenericLoopDirective( |
10278 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10279 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10280 | if (!AStmt) |
10281 | return StmtError(); |
10282 | |
10283 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10284 | // A list item may not appear in a lastprivate clause unless it is the |
10285 | // loop iteration variable of a loop that is associated with the construct. |
10286 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_target_teams_loop, |
10287 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10288 | return StmtError(); |
10289 | |
10290 | auto *CS = cast<CapturedStmt>(AStmt); |
10291 | // 1.2.2 OpenMP Language Terminology |
10292 | // Structured block - An executable statement with a single entry at the |
10293 | // top and a single exit at the bottom. |
10294 | // The point of exit cannot be a branch out of the structured block. |
10295 | // longjmp() and throw() must not violate the entry/exit criteria. |
10296 | CS->getCapturedDecl()->setNothrow(); |
10297 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams_loop); |
10298 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10299 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10300 | // 1.2.2 OpenMP Language Terminology |
10301 | // Structured block - An executable statement with a single entry at the |
10302 | // top and a single exit at the bottom. |
10303 | // The point of exit cannot be a branch out of the structured block. |
10304 | // longjmp() and throw() must not violate the entry/exit criteria. |
10305 | CS->getCapturedDecl()->setNothrow(); |
10306 | } |
10307 | |
10308 | OMPLoopDirective::HelperExprs B; |
10309 | // In presence of clause 'collapse', it will define the nested loops number. |
10310 | unsigned NestedLoopCount = |
10311 | checkOpenMPLoop(OMPD_target_teams_loop, getCollapseNumberExpr(Clauses), |
10312 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10313 | VarsWithImplicitDSA, B); |
10314 | if (NestedLoopCount == 0) |
10315 | return StmtError(); |
10316 | |
10317 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10318, __extension__ __PRETTY_FUNCTION__ )) |
10318 | "omp loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10318, __extension__ __PRETTY_FUNCTION__ )); |
10319 | |
10320 | setFunctionHasBranchProtectedScope(); |
10321 | |
10322 | return OMPTargetTeamsGenericLoopDirective::Create( |
10323 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10324 | } |
10325 | |
10326 | StmtResult Sema::ActOnOpenMPParallelGenericLoopDirective( |
10327 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10328 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10329 | if (!AStmt) |
10330 | return StmtError(); |
10331 | |
10332 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10333 | // A list item may not appear in a lastprivate clause unless it is the |
10334 | // loop iteration variable of a loop that is associated with the construct. |
10335 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_parallel_loop, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10336 | return StmtError(); |
10337 | |
10338 | auto *CS = cast<CapturedStmt>(AStmt); |
10339 | // 1.2.2 OpenMP Language Terminology |
10340 | // Structured block - An executable statement with a single entry at the |
10341 | // top and a single exit at the bottom. |
10342 | // The point of exit cannot be a branch out of the structured block. |
10343 | // longjmp() and throw() must not violate the entry/exit criteria. |
10344 | CS->getCapturedDecl()->setNothrow(); |
10345 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_parallel_loop); |
10346 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10347 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10348 | // 1.2.2 OpenMP Language Terminology |
10349 | // Structured block - An executable statement with a single entry at the |
10350 | // top and a single exit at the bottom. |
10351 | // The point of exit cannot be a branch out of the structured block. |
10352 | // longjmp() and throw() must not violate the entry/exit criteria. |
10353 | CS->getCapturedDecl()->setNothrow(); |
10354 | } |
10355 | |
10356 | OMPLoopDirective::HelperExprs B; |
10357 | // In presence of clause 'collapse', it will define the nested loops number. |
10358 | unsigned NestedLoopCount = |
10359 | checkOpenMPLoop(OMPD_parallel_loop, getCollapseNumberExpr(Clauses), |
10360 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10361 | VarsWithImplicitDSA, B); |
10362 | if (NestedLoopCount == 0) |
10363 | return StmtError(); |
10364 | |
10365 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10366, __extension__ __PRETTY_FUNCTION__ )) |
10366 | "omp loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10366, __extension__ __PRETTY_FUNCTION__ )); |
10367 | |
10368 | setFunctionHasBranchProtectedScope(); |
10369 | |
10370 | return OMPParallelGenericLoopDirective::Create( |
10371 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10372 | } |
10373 | |
10374 | StmtResult Sema::ActOnOpenMPTargetParallelGenericLoopDirective( |
10375 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10376 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10377 | if (!AStmt) |
10378 | return StmtError(); |
10379 | |
10380 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10381 | // A list item may not appear in a lastprivate clause unless it is the |
10382 | // loop iteration variable of a loop that is associated with the construct. |
10383 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_target_parallel_loop, |
10384 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10385 | return StmtError(); |
10386 | |
10387 | auto *CS = cast<CapturedStmt>(AStmt); |
10388 | // 1.2.2 OpenMP Language Terminology |
10389 | // Structured block - An executable statement with a single entry at the |
10390 | // top and a single exit at the bottom. |
10391 | // The point of exit cannot be a branch out of the structured block. |
10392 | // longjmp() and throw() must not violate the entry/exit criteria. |
10393 | CS->getCapturedDecl()->setNothrow(); |
10394 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_loop); |
10395 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10396 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10397 | // 1.2.2 OpenMP Language Terminology |
10398 | // Structured block - An executable statement with a single entry at the |
10399 | // top and a single exit at the bottom. |
10400 | // The point of exit cannot be a branch out of the structured block. |
10401 | // longjmp() and throw() must not violate the entry/exit criteria. |
10402 | CS->getCapturedDecl()->setNothrow(); |
10403 | } |
10404 | |
10405 | OMPLoopDirective::HelperExprs B; |
10406 | // In presence of clause 'collapse', it will define the nested loops number. |
10407 | unsigned NestedLoopCount = |
10408 | checkOpenMPLoop(OMPD_target_parallel_loop, getCollapseNumberExpr(Clauses), |
10409 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10410 | VarsWithImplicitDSA, B); |
10411 | if (NestedLoopCount == 0) |
10412 | return StmtError(); |
10413 | |
10414 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10415, __extension__ __PRETTY_FUNCTION__ )) |
10415 | "omp loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10415, __extension__ __PRETTY_FUNCTION__ )); |
10416 | |
10417 | setFunctionHasBranchProtectedScope(); |
10418 | |
10419 | return OMPTargetParallelGenericLoopDirective::Create( |
10420 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10421 | } |
10422 | |
10423 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, |
10424 | Stmt *AStmt, |
10425 | SourceLocation StartLoc, |
10426 | SourceLocation EndLoc) { |
10427 | if (!AStmt) |
10428 | return StmtError(); |
10429 | |
10430 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10430, __extension__ __PRETTY_FUNCTION__ )); |
10431 | |
10432 | setFunctionHasBranchProtectedScope(); |
10433 | |
10434 | // OpenMP [2.7.3, single Construct, Restrictions] |
10435 | // The copyprivate clause must not be used with the nowait clause. |
10436 | const OMPClause *Nowait = nullptr; |
10437 | const OMPClause *Copyprivate = nullptr; |
10438 | for (const OMPClause *Clause : Clauses) { |
10439 | if (Clause->getClauseKind() == OMPC_nowait) |
10440 | Nowait = Clause; |
10441 | else if (Clause->getClauseKind() == OMPC_copyprivate) |
10442 | Copyprivate = Clause; |
10443 | if (Copyprivate && Nowait) { |
10444 | Diag(Copyprivate->getBeginLoc(), |
10445 | diag::err_omp_single_copyprivate_with_nowait); |
10446 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); |
10447 | return StmtError(); |
10448 | } |
10449 | } |
10450 | |
10451 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
10452 | } |
10453 | |
10454 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, |
10455 | SourceLocation StartLoc, |
10456 | SourceLocation EndLoc) { |
10457 | if (!AStmt) |
10458 | return StmtError(); |
10459 | |
10460 | setFunctionHasBranchProtectedScope(); |
10461 | |
10462 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); |
10463 | } |
10464 | |
10465 | StmtResult Sema::ActOnOpenMPMaskedDirective(ArrayRef<OMPClause *> Clauses, |
10466 | Stmt *AStmt, |
10467 | SourceLocation StartLoc, |
10468 | SourceLocation EndLoc) { |
10469 | if (!AStmt) |
10470 | return StmtError(); |
10471 | |
10472 | setFunctionHasBranchProtectedScope(); |
10473 | |
10474 | return OMPMaskedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
10475 | } |
10476 | |
10477 | StmtResult Sema::ActOnOpenMPCriticalDirective( |
10478 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, |
10479 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { |
10480 | if (!AStmt) |
10481 | return StmtError(); |
10482 | |
10483 | bool ErrorFound = false; |
10484 | llvm::APSInt Hint; |
10485 | SourceLocation HintLoc; |
10486 | bool DependentHint = false; |
10487 | for (const OMPClause *C : Clauses) { |
10488 | if (C->getClauseKind() == OMPC_hint) { |
10489 | if (!DirName.getName()) { |
10490 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); |
10491 | ErrorFound = true; |
10492 | } |
10493 | Expr *E = cast<OMPHintClause>(C)->getHint(); |
10494 | if (E->isTypeDependent() || E->isValueDependent() || |
10495 | E->isInstantiationDependent()) { |
10496 | DependentHint = true; |
10497 | } else { |
10498 | Hint = E->EvaluateKnownConstInt(Context); |
10499 | HintLoc = C->getBeginLoc(); |
10500 | } |
10501 | } |
10502 | } |
10503 | if (ErrorFound) |
10504 | return StmtError(); |
10505 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); |
10506 | if (Pair.first && DirName.getName() && !DependentHint) { |
10507 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { |
10508 | Diag(StartLoc, diag::err_omp_critical_with_hint); |
10509 | if (HintLoc.isValid()) |
10510 | Diag(HintLoc, diag::note_omp_critical_hint_here) |
10511 | << 0 << toString(Hint, /*Radix=*/10, /*Signed=*/false); |
10512 | else |
10513 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; |
10514 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { |
10515 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) |
10516 | << 1 |
10517 | << toString(C->getHint()->EvaluateKnownConstInt(Context), |
10518 | /*Radix=*/10, /*Signed=*/false); |
10519 | } else { |
10520 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; |
10521 | } |
10522 | } |
10523 | } |
10524 | |
10525 | setFunctionHasBranchProtectedScope(); |
10526 | |
10527 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, |
10528 | Clauses, AStmt); |
10529 | if (!Pair.first && DirName.getName() && !DependentHint) |
10530 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); |
10531 | return Dir; |
10532 | } |
10533 | |
10534 | StmtResult Sema::ActOnOpenMPParallelForDirective( |
10535 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10536 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10537 | if (!AStmt) |
10538 | return StmtError(); |
10539 | |
10540 | auto *CS = cast<CapturedStmt>(AStmt); |
10541 | // 1.2.2 OpenMP Language Terminology |
10542 | // Structured block - An executable statement with a single entry at the |
10543 | // top and a single exit at the bottom. |
10544 | // The point of exit cannot be a branch out of the structured block. |
10545 | // longjmp() and throw() must not violate the entry/exit criteria. |
10546 | CS->getCapturedDecl()->setNothrow(); |
10547 | |
10548 | OMPLoopBasedDirective::HelperExprs B; |
10549 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10550 | // define the nested loops number. |
10551 | unsigned NestedLoopCount = |
10552 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), |
10553 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10554 | VarsWithImplicitDSA, B); |
10555 | if (NestedLoopCount == 0) |
10556 | return StmtError(); |
10557 | |
10558 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10559, __extension__ __PRETTY_FUNCTION__ )) |
10559 | "omp parallel for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10559, __extension__ __PRETTY_FUNCTION__ )); |
10560 | |
10561 | if (!CurContext->isDependentContext()) { |
10562 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10563 | for (OMPClause *C : Clauses) { |
10564 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10565 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10566 | B.NumIterations, *this, CurScope, |
10567 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10568 | return StmtError(); |
10569 | } |
10570 | } |
10571 | |
10572 | setFunctionHasBranchProtectedScope(); |
10573 | return OMPParallelForDirective::Create( |
10574 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
10575 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10576 | } |
10577 | |
10578 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( |
10579 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10580 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10581 | if (!AStmt) |
10582 | return StmtError(); |
10583 | |
10584 | auto *CS = cast<CapturedStmt>(AStmt); |
10585 | // 1.2.2 OpenMP Language Terminology |
10586 | // Structured block - An executable statement with a single entry at the |
10587 | // top and a single exit at the bottom. |
10588 | // The point of exit cannot be a branch out of the structured block. |
10589 | // longjmp() and throw() must not violate the entry/exit criteria. |
10590 | CS->getCapturedDecl()->setNothrow(); |
10591 | |
10592 | OMPLoopBasedDirective::HelperExprs B; |
10593 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10594 | // define the nested loops number. |
10595 | unsigned NestedLoopCount = |
10596 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), |
10597 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10598 | VarsWithImplicitDSA, B); |
10599 | if (NestedLoopCount == 0) |
10600 | return StmtError(); |
10601 | |
10602 | if (!CurContext->isDependentContext()) { |
10603 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10604 | for (OMPClause *C : Clauses) { |
10605 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10606 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10607 | B.NumIterations, *this, CurScope, |
10608 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10609 | return StmtError(); |
10610 | } |
10611 | } |
10612 | |
10613 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
10614 | return StmtError(); |
10615 | |
10616 | setFunctionHasBranchProtectedScope(); |
10617 | return OMPParallelForSimdDirective::Create( |
10618 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10619 | } |
10620 | |
10621 | StmtResult |
10622 | Sema::ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, |
10623 | Stmt *AStmt, SourceLocation StartLoc, |
10624 | SourceLocation EndLoc) { |
10625 | if (!AStmt) |
10626 | return StmtError(); |
10627 | |
10628 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10628, __extension__ __PRETTY_FUNCTION__ )); |
10629 | auto *CS = cast<CapturedStmt>(AStmt); |
10630 | // 1.2.2 OpenMP Language Terminology |
10631 | // Structured block - An executable statement with a single entry at the |
10632 | // top and a single exit at the bottom. |
10633 | // The point of exit cannot be a branch out of the structured block. |
10634 | // longjmp() and throw() must not violate the entry/exit criteria. |
10635 | CS->getCapturedDecl()->setNothrow(); |
10636 | |
10637 | setFunctionHasBranchProtectedScope(); |
10638 | |
10639 | return OMPParallelMasterDirective::Create( |
10640 | Context, StartLoc, EndLoc, Clauses, AStmt, |
10641 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); |
10642 | } |
10643 | |
10644 | StmtResult |
10645 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, |
10646 | Stmt *AStmt, SourceLocation StartLoc, |
10647 | SourceLocation EndLoc) { |
10648 | if (!AStmt) |
10649 | return StmtError(); |
10650 | |
10651 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10651, __extension__ __PRETTY_FUNCTION__ )); |
10652 | auto BaseStmt = AStmt; |
10653 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) |
10654 | BaseStmt = CS->getCapturedStmt(); |
10655 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { |
10656 | auto S = C->children(); |
10657 | if (S.begin() == S.end()) |
10658 | return StmtError(); |
10659 | // All associated statements must be '#pragma omp section' except for |
10660 | // the first one. |
10661 | for (Stmt *SectionStmt : llvm::drop_begin(S)) { |
10662 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { |
10663 | if (SectionStmt) |
10664 | Diag(SectionStmt->getBeginLoc(), |
10665 | diag::err_omp_parallel_sections_substmt_not_section); |
10666 | return StmtError(); |
10667 | } |
10668 | cast<OMPSectionDirective>(SectionStmt) |
10669 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10670 | } |
10671 | } else { |
10672 | Diag(AStmt->getBeginLoc(), |
10673 | diag::err_omp_parallel_sections_not_compound_stmt); |
10674 | return StmtError(); |
10675 | } |
10676 | |
10677 | setFunctionHasBranchProtectedScope(); |
10678 | |
10679 | return OMPParallelSectionsDirective::Create( |
10680 | Context, StartLoc, EndLoc, Clauses, AStmt, |
10681 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10682 | } |
10683 | |
10684 | /// Find and diagnose mutually exclusive clause kinds. |
10685 | static bool checkMutuallyExclusiveClauses( |
10686 | Sema &S, ArrayRef<OMPClause *> Clauses, |
10687 | ArrayRef<OpenMPClauseKind> MutuallyExclusiveClauses) { |
10688 | const OMPClause *PrevClause = nullptr; |
10689 | bool ErrorFound = false; |
10690 | for (const OMPClause *C : Clauses) { |
10691 | if (llvm::is_contained(MutuallyExclusiveClauses, C->getClauseKind())) { |
10692 | if (!PrevClause) { |
10693 | PrevClause = C; |
10694 | } else if (PrevClause->getClauseKind() != C->getClauseKind()) { |
10695 | S.Diag(C->getBeginLoc(), diag::err_omp_clauses_mutually_exclusive) |
10696 | << getOpenMPClauseName(C->getClauseKind()) |
10697 | << getOpenMPClauseName(PrevClause->getClauseKind()); |
10698 | S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_clause) |
10699 | << getOpenMPClauseName(PrevClause->getClauseKind()); |
10700 | ErrorFound = true; |
10701 | } |
10702 | } |
10703 | } |
10704 | return ErrorFound; |
10705 | } |
10706 | |
10707 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, |
10708 | Stmt *AStmt, SourceLocation StartLoc, |
10709 | SourceLocation EndLoc) { |
10710 | if (!AStmt) |
10711 | return StmtError(); |
10712 | |
10713 | // OpenMP 5.0, 2.10.1 task Construct |
10714 | // If a detach clause appears on the directive, then a mergeable clause cannot |
10715 | // appear on the same directive. |
10716 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
10717 | {OMPC_detach, OMPC_mergeable})) |
10718 | return StmtError(); |
10719 | |
10720 | auto *CS = cast<CapturedStmt>(AStmt); |
10721 | // 1.2.2 OpenMP Language Terminology |
10722 | // Structured block - An executable statement with a single entry at the |
10723 | // top and a single exit at the bottom. |
10724 | // The point of exit cannot be a branch out of the structured block. |
10725 | // longjmp() and throw() must not violate the entry/exit criteria. |
10726 | CS->getCapturedDecl()->setNothrow(); |
10727 | |
10728 | setFunctionHasBranchProtectedScope(); |
10729 | |
10730 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
10731 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10732 | } |
10733 | |
10734 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, |
10735 | SourceLocation EndLoc) { |
10736 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); |
10737 | } |
10738 | |
10739 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, |
10740 | SourceLocation EndLoc) { |
10741 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); |
10742 | } |
10743 | |
10744 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(ArrayRef<OMPClause *> Clauses, |
10745 | SourceLocation StartLoc, |
10746 | SourceLocation EndLoc) { |
10747 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc, Clauses); |
10748 | } |
10749 | |
10750 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, |
10751 | Stmt *AStmt, |
10752 | SourceLocation StartLoc, |
10753 | SourceLocation EndLoc) { |
10754 | if (!AStmt) |
10755 | return StmtError(); |
10756 | |
10757 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10757, __extension__ __PRETTY_FUNCTION__ )); |
10758 | |
10759 | setFunctionHasBranchProtectedScope(); |
10760 | |
10761 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, |
10762 | AStmt, |
10763 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); |
10764 | } |
10765 | |
10766 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, |
10767 | SourceLocation StartLoc, |
10768 | SourceLocation EndLoc) { |
10769 | OMPFlushClause *FC = nullptr; |
10770 | OMPClause *OrderClause = nullptr; |
10771 | for (OMPClause *C : Clauses) { |
10772 | if (C->getClauseKind() == OMPC_flush) |
10773 | FC = cast<OMPFlushClause>(C); |
10774 | else |
10775 | OrderClause = C; |
10776 | } |
10777 | OpenMPClauseKind MemOrderKind = OMPC_unknown; |
10778 | SourceLocation MemOrderLoc; |
10779 | for (const OMPClause *C : Clauses) { |
10780 | if (C->getClauseKind() == OMPC_acq_rel || |
10781 | C->getClauseKind() == OMPC_acquire || |
10782 | C->getClauseKind() == OMPC_release) { |
10783 | if (MemOrderKind != OMPC_unknown) { |
10784 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) |
10785 | << getOpenMPDirectiveName(OMPD_flush) << 1 |
10786 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
10787 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
10788 | << getOpenMPClauseName(MemOrderKind); |
10789 | } else { |
10790 | MemOrderKind = C->getClauseKind(); |
10791 | MemOrderLoc = C->getBeginLoc(); |
10792 | } |
10793 | } |
10794 | } |
10795 | if (FC && OrderClause) { |
10796 | Diag(FC->getLParenLoc(), diag::err_omp_flush_order_clause_and_list) |
10797 | << getOpenMPClauseName(OrderClause->getClauseKind()); |
10798 | Diag(OrderClause->getBeginLoc(), diag::note_omp_flush_order_clause_here) |
10799 | << getOpenMPClauseName(OrderClause->getClauseKind()); |
10800 | return StmtError(); |
10801 | } |
10802 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); |
10803 | } |
10804 | |
10805 | StmtResult Sema::ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, |
10806 | SourceLocation StartLoc, |
10807 | SourceLocation EndLoc) { |
10808 | if (Clauses.empty()) { |
10809 | Diag(StartLoc, diag::err_omp_depobj_expected); |
10810 | return StmtError(); |
10811 | } else if (Clauses[0]->getClauseKind() != OMPC_depobj) { |
10812 | Diag(Clauses[0]->getBeginLoc(), diag::err_omp_depobj_expected); |
10813 | return StmtError(); |
10814 | } |
10815 | // Only depobj expression and another single clause is allowed. |
10816 | if (Clauses.size() > 2) { |
10817 | Diag(Clauses[2]->getBeginLoc(), |
10818 | diag::err_omp_depobj_single_clause_expected); |
10819 | return StmtError(); |
10820 | } else if (Clauses.size() < 1) { |
10821 | Diag(Clauses[0]->getEndLoc(), diag::err_omp_depobj_single_clause_expected); |
10822 | return StmtError(); |
10823 | } |
10824 | return OMPDepobjDirective::Create(Context, StartLoc, EndLoc, Clauses); |
10825 | } |
10826 | |
10827 | StmtResult Sema::ActOnOpenMPScanDirective(ArrayRef<OMPClause *> Clauses, |
10828 | SourceLocation StartLoc, |
10829 | SourceLocation EndLoc) { |
10830 | // Check that exactly one clause is specified. |
10831 | if (Clauses.size() != 1) { |
10832 | Diag(Clauses.empty() ? EndLoc : Clauses[1]->getBeginLoc(), |
10833 | diag::err_omp_scan_single_clause_expected); |
10834 | return StmtError(); |
10835 | } |
10836 | // Check that scan directive is used in the scopeof the OpenMP loop body. |
10837 | if (Scope *S = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()) { |
10838 | Scope *ParentS = S->getParent(); |
10839 | if (!ParentS || ParentS->getParent() != ParentS->getBreakParent() || |
10840 | !ParentS->getBreakParent()->isOpenMPLoopScope()) |
10841 | return StmtError(Diag(StartLoc, diag::err_omp_orphaned_device_directive) |
10842 | << getOpenMPDirectiveName(OMPD_scan) << 5); |
10843 | } |
10844 | // Check that only one instance of scan directives is used in the same outer |
10845 | // region. |
10846 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasScanDirective()) { |
10847 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "scan"; |
10848 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentScanDirectiveLoc(), |
10849 | diag::note_omp_previous_directive) |
10850 | << "scan"; |
10851 | return StmtError(); |
10852 | } |
10853 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasScanDirective(StartLoc); |
10854 | return OMPScanDirective::Create(Context, StartLoc, EndLoc, Clauses); |
10855 | } |
10856 | |
10857 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, |
10858 | Stmt *AStmt, |
10859 | SourceLocation StartLoc, |
10860 | SourceLocation EndLoc) { |
10861 | const OMPClause *DependFound = nullptr; |
10862 | const OMPClause *DependSourceClause = nullptr; |
10863 | const OMPClause *DependSinkClause = nullptr; |
10864 | bool ErrorFound = false; |
10865 | const OMPThreadsClause *TC = nullptr; |
10866 | const OMPSIMDClause *SC = nullptr; |
10867 | for (const OMPClause *C : Clauses) { |
10868 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { |
10869 | DependFound = C; |
10870 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { |
10871 | if (DependSourceClause) { |
10872 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) |
10873 | << getOpenMPDirectiveName(OMPD_ordered) |
10874 | << getOpenMPClauseName(OMPC_depend) << 2; |
10875 | ErrorFound = true; |
10876 | } else { |
10877 | DependSourceClause = C; |
10878 | } |
10879 | if (DependSinkClause) { |
10880 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) |
10881 | << 0; |
10882 | ErrorFound = true; |
10883 | } |
10884 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { |
10885 | if (DependSourceClause) { |
10886 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) |
10887 | << 1; |
10888 | ErrorFound = true; |
10889 | } |
10890 | DependSinkClause = C; |
10891 | } |
10892 | } else if (C->getClauseKind() == OMPC_threads) { |
10893 | TC = cast<OMPThreadsClause>(C); |
10894 | } else if (C->getClauseKind() == OMPC_simd) { |
10895 | SC = cast<OMPSIMDClause>(C); |
10896 | } |
10897 | } |
10898 | if (!ErrorFound && !SC && |
10899 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { |
10900 | // OpenMP [2.8.1,simd Construct, Restrictions] |
10901 | // An ordered construct with the simd clause is the only OpenMP construct |
10902 | // that can appear in the simd region. |
10903 | Diag(StartLoc, diag::err_omp_prohibited_region_simd) |
10904 | << (LangOpts.OpenMP >= 50 ? 1 : 0); |
10905 | ErrorFound = true; |
10906 | } else if (DependFound && (TC || SC)) { |
10907 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) |
10908 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); |
10909 | ErrorFound = true; |
10910 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
10911 | Diag(DependFound->getBeginLoc(), |
10912 | diag::err_omp_ordered_directive_without_param); |
10913 | ErrorFound = true; |
10914 | } else if (TC || Clauses.empty()) { |
10915 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
10916 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; |
10917 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) |
10918 | << (TC != nullptr); |
10919 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param) << 1; |
10920 | ErrorFound = true; |
10921 | } |
10922 | } |
10923 | if ((!AStmt && !DependFound) || ErrorFound) |
10924 | return StmtError(); |
10925 | |
10926 | // OpenMP 5.0, 2.17.9, ordered Construct, Restrictions. |
10927 | // During execution of an iteration of a worksharing-loop or a loop nest |
10928 | // within a worksharing-loop, simd, or worksharing-loop SIMD region, a thread |
10929 | // must not execute more than one ordered region corresponding to an ordered |
10930 | // construct without a depend clause. |
10931 | if (!DependFound) { |
10932 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasOrderedDirective()) { |
10933 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "ordered"; |
10934 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedDirectiveLoc(), |
10935 | diag::note_omp_previous_directive) |
10936 | << "ordered"; |
10937 | return StmtError(); |
10938 | } |
10939 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasOrderedDirective(StartLoc); |
10940 | } |
10941 | |
10942 | if (AStmt) { |
10943 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 10943, __extension__ __PRETTY_FUNCTION__ )); |
10944 | |
10945 | setFunctionHasBranchProtectedScope(); |
10946 | } |
10947 | |
10948 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
10949 | } |
10950 | |
10951 | namespace { |
10952 | /// Helper class for checking expression in 'omp atomic [update]' |
10953 | /// construct. |
10954 | class OpenMPAtomicUpdateChecker { |
10955 | /// Error results for atomic update expressions. |
10956 | enum ExprAnalysisErrorCode { |
10957 | /// A statement is not an expression statement. |
10958 | NotAnExpression, |
10959 | /// Expression is not builtin binary or unary operation. |
10960 | NotABinaryOrUnaryExpression, |
10961 | /// Unary operation is not post-/pre- increment/decrement operation. |
10962 | NotAnUnaryIncDecExpression, |
10963 | /// An expression is not of scalar type. |
10964 | NotAScalarType, |
10965 | /// A binary operation is not an assignment operation. |
10966 | NotAnAssignmentOp, |
10967 | /// RHS part of the binary operation is not a binary expression. |
10968 | NotABinaryExpression, |
10969 | /// RHS part is not additive/multiplicative/shift/biwise binary |
10970 | /// expression. |
10971 | NotABinaryOperator, |
10972 | /// RHS binary operation does not have reference to the updated LHS |
10973 | /// part. |
10974 | NotAnUpdateExpression, |
10975 | /// No errors is found. |
10976 | NoError |
10977 | }; |
10978 | /// Reference to Sema. |
10979 | Sema &SemaRef; |
10980 | /// A location for note diagnostics (when error is found). |
10981 | SourceLocation NoteLoc; |
10982 | /// 'x' lvalue part of the source atomic expression. |
10983 | Expr *X; |
10984 | /// 'expr' rvalue part of the source atomic expression. |
10985 | Expr *E; |
10986 | /// Helper expression of the form |
10987 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or |
10988 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. |
10989 | Expr *UpdateExpr; |
10990 | /// Is 'x' a LHS in a RHS part of full update expression. It is |
10991 | /// important for non-associative operations. |
10992 | bool IsXLHSInRHSPart; |
10993 | BinaryOperatorKind Op; |
10994 | SourceLocation OpLoc; |
10995 | /// true if the source expression is a postfix unary operation, false |
10996 | /// if it is a prefix unary operation. |
10997 | bool IsPostfixUpdate; |
10998 | |
10999 | public: |
11000 | OpenMPAtomicUpdateChecker(Sema &SemaRef) |
11001 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), |
11002 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} |
11003 | /// Check specified statement that it is suitable for 'atomic update' |
11004 | /// constructs and extract 'x', 'expr' and Operation from the original |
11005 | /// expression. If DiagId and NoteId == 0, then only check is performed |
11006 | /// without error notification. |
11007 | /// \param DiagId Diagnostic which should be emitted if error is found. |
11008 | /// \param NoteId Diagnostic note for the main error message. |
11009 | /// \return true if statement is not an update expression, false otherwise. |
11010 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); |
11011 | /// Return the 'x' lvalue part of the source atomic expression. |
11012 | Expr *getX() const { return X; } |
11013 | /// Return the 'expr' rvalue part of the source atomic expression. |
11014 | Expr *getExpr() const { return E; } |
11015 | /// Return the update expression used in calculation of the updated |
11016 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or |
11017 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. |
11018 | Expr *getUpdateExpr() const { return UpdateExpr; } |
11019 | /// Return true if 'x' is LHS in RHS part of full update expression, |
11020 | /// false otherwise. |
11021 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } |
11022 | |
11023 | /// true if the source expression is a postfix unary operation, false |
11024 | /// if it is a prefix unary operation. |
11025 | bool isPostfixUpdate() const { return IsPostfixUpdate; } |
11026 | |
11027 | private: |
11028 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, |
11029 | unsigned NoteId = 0); |
11030 | }; |
11031 | |
11032 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( |
11033 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { |
11034 | ExprAnalysisErrorCode ErrorFound = NoError; |
11035 | SourceLocation ErrorLoc, NoteLoc; |
11036 | SourceRange ErrorRange, NoteRange; |
11037 | // Allowed constructs are: |
11038 | // x = x binop expr; |
11039 | // x = expr binop x; |
11040 | if (AtomicBinOp->getOpcode() == BO_Assign) { |
11041 | X = AtomicBinOp->getLHS(); |
11042 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( |
11043 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { |
11044 | if (AtomicInnerBinOp->isMultiplicativeOp() || |
11045 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || |
11046 | AtomicInnerBinOp->isBitwiseOp()) { |
11047 | Op = AtomicInnerBinOp->getOpcode(); |
11048 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); |
11049 | Expr *LHS = AtomicInnerBinOp->getLHS(); |
11050 | Expr *RHS = AtomicInnerBinOp->getRHS(); |
11051 | llvm::FoldingSetNodeID XId, LHSId, RHSId; |
11052 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), |
11053 | /*Canonical=*/true); |
11054 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), |
11055 | /*Canonical=*/true); |
11056 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), |
11057 | /*Canonical=*/true); |
11058 | if (XId == LHSId) { |
11059 | E = RHS; |
11060 | IsXLHSInRHSPart = true; |
11061 | } else if (XId == RHSId) { |
11062 | E = LHS; |
11063 | IsXLHSInRHSPart = false; |
11064 | } else { |
11065 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); |
11066 | ErrorRange = AtomicInnerBinOp->getSourceRange(); |
11067 | NoteLoc = X->getExprLoc(); |
11068 | NoteRange = X->getSourceRange(); |
11069 | ErrorFound = NotAnUpdateExpression; |
11070 | } |
11071 | } else { |
11072 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); |
11073 | ErrorRange = AtomicInnerBinOp->getSourceRange(); |
11074 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); |
11075 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
11076 | ErrorFound = NotABinaryOperator; |
11077 | } |
11078 | } else { |
11079 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); |
11080 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); |
11081 | ErrorFound = NotABinaryExpression; |
11082 | } |
11083 | } else { |
11084 | ErrorLoc = AtomicBinOp->getExprLoc(); |
11085 | ErrorRange = AtomicBinOp->getSourceRange(); |
11086 | NoteLoc = AtomicBinOp->getOperatorLoc(); |
11087 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
11088 | ErrorFound = NotAnAssignmentOp; |
11089 | } |
11090 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { |
11091 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; |
11092 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; |
11093 | return true; |
11094 | } |
11095 | if (SemaRef.CurContext->isDependentContext()) |
11096 | E = X = UpdateExpr = nullptr; |
11097 | return ErrorFound != NoError; |
11098 | } |
11099 | |
11100 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, |
11101 | unsigned NoteId) { |
11102 | ExprAnalysisErrorCode ErrorFound = NoError; |
11103 | SourceLocation ErrorLoc, NoteLoc; |
11104 | SourceRange ErrorRange, NoteRange; |
11105 | // Allowed constructs are: |
11106 | // x++; |
11107 | // x--; |
11108 | // ++x; |
11109 | // --x; |
11110 | // x binop= expr; |
11111 | // x = x binop expr; |
11112 | // x = expr binop x; |
11113 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { |
11114 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); |
11115 | if (AtomicBody->getType()->isScalarType() || |
11116 | AtomicBody->isInstantiationDependent()) { |
11117 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( |
11118 | AtomicBody->IgnoreParenImpCasts())) { |
11119 | // Check for Compound Assignment Operation |
11120 | Op = BinaryOperator::getOpForCompoundAssignment( |
11121 | AtomicCompAssignOp->getOpcode()); |
11122 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); |
11123 | E = AtomicCompAssignOp->getRHS(); |
11124 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); |
11125 | IsXLHSInRHSPart = true; |
11126 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( |
11127 | AtomicBody->IgnoreParenImpCasts())) { |
11128 | // Check for Binary Operation |
11129 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) |
11130 | return true; |
11131 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( |
11132 | AtomicBody->IgnoreParenImpCasts())) { |
11133 | // Check for Unary Operation |
11134 | if (AtomicUnaryOp->isIncrementDecrementOp()) { |
11135 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); |
11136 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; |
11137 | OpLoc = AtomicUnaryOp->getOperatorLoc(); |
11138 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); |
11139 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); |
11140 | IsXLHSInRHSPart = true; |
11141 | } else { |
11142 | ErrorFound = NotAnUnaryIncDecExpression; |
11143 | ErrorLoc = AtomicUnaryOp->getExprLoc(); |
11144 | ErrorRange = AtomicUnaryOp->getSourceRange(); |
11145 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); |
11146 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
11147 | } |
11148 | } else if (!AtomicBody->isInstantiationDependent()) { |
11149 | ErrorFound = NotABinaryOrUnaryExpression; |
11150 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); |
11151 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); |
11152 | } |
11153 | } else { |
11154 | ErrorFound = NotAScalarType; |
11155 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); |
11156 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
11157 | } |
11158 | } else { |
11159 | ErrorFound = NotAnExpression; |
11160 | NoteLoc = ErrorLoc = S->getBeginLoc(); |
11161 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
11162 | } |
11163 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { |
11164 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; |
11165 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; |
11166 | return true; |
11167 | } |
11168 | if (SemaRef.CurContext->isDependentContext()) |
11169 | E = X = UpdateExpr = nullptr; |
11170 | if (ErrorFound == NoError && E && X) { |
11171 | // Build an update expression of form 'OpaqueValueExpr(x) binop |
11172 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop |
11173 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. |
11174 | auto *OVEX = new (SemaRef.getASTContext()) |
11175 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_PRValue); |
11176 | auto *OVEExpr = new (SemaRef.getASTContext()) |
11177 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_PRValue); |
11178 | ExprResult Update = |
11179 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, |
11180 | IsXLHSInRHSPart ? OVEExpr : OVEX); |
11181 | if (Update.isInvalid()) |
11182 | return true; |
11183 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), |
11184 | Sema::AA_Casting); |
11185 | if (Update.isInvalid()) |
11186 | return true; |
11187 | UpdateExpr = Update.get(); |
11188 | } |
11189 | return ErrorFound != NoError; |
11190 | } |
11191 | |
11192 | /// Get the node id of the fixed point of an expression \a S. |
11193 | llvm::FoldingSetNodeID getNodeId(ASTContext &Context, const Expr *S) { |
11194 | llvm::FoldingSetNodeID Id; |
11195 | S->IgnoreParenImpCasts()->Profile(Id, Context, true); |
11196 | return Id; |
11197 | } |
11198 | |
11199 | /// Check if two expressions are same. |
11200 | bool checkIfTwoExprsAreSame(ASTContext &Context, const Expr *LHS, |
11201 | const Expr *RHS) { |
11202 | return getNodeId(Context, LHS) == getNodeId(Context, RHS); |
11203 | } |
11204 | |
11205 | class OpenMPAtomicCompareChecker { |
11206 | public: |
11207 | /// All kinds of errors that can occur in `atomic compare` |
11208 | enum ErrorTy { |
11209 | /// Empty compound statement. |
11210 | NoStmt = 0, |
11211 | /// More than one statement in a compound statement. |
11212 | MoreThanOneStmt, |
11213 | /// Not an assignment binary operator. |
11214 | NotAnAssignment, |
11215 | /// Not a conditional operator. |
11216 | NotCondOp, |
11217 | /// Wrong false expr. According to the spec, 'x' should be at the false |
11218 | /// expression of a conditional expression. |
11219 | WrongFalseExpr, |
11220 | /// The condition of a conditional expression is not a binary operator. |
11221 | NotABinaryOp, |
11222 | /// Invalid binary operator (not <, >, or ==). |
11223 | InvalidBinaryOp, |
11224 | /// Invalid comparison (not x == e, e == x, x ordop expr, or expr ordop x). |
11225 | InvalidComparison, |
11226 | /// X is not a lvalue. |
11227 | XNotLValue, |
11228 | /// Not a scalar. |
11229 | NotScalar, |
11230 | /// Not an integer. |
11231 | NotInteger, |
11232 | /// 'else' statement is not expected. |
11233 | UnexpectedElse, |
11234 | /// Not an equality operator. |
11235 | NotEQ, |
11236 | /// Invalid assignment (not v == x). |
11237 | InvalidAssignment, |
11238 | /// Not if statement |
11239 | NotIfStmt, |
11240 | /// More than two statements in a compund statement. |
11241 | MoreThanTwoStmts, |
11242 | /// Not a compound statement. |
11243 | NotCompoundStmt, |
11244 | /// No else statement. |
11245 | NoElse, |
11246 | /// Not 'if (r)'. |
11247 | InvalidCondition, |
11248 | /// No error. |
11249 | NoError, |
11250 | }; |
11251 | |
11252 | struct ErrorInfoTy { |
11253 | ErrorTy Error; |
11254 | SourceLocation ErrorLoc; |
11255 | SourceRange ErrorRange; |
11256 | SourceLocation NoteLoc; |
11257 | SourceRange NoteRange; |
11258 | }; |
11259 | |
11260 | OpenMPAtomicCompareChecker(Sema &S) : ContextRef(S.getASTContext()) {} |
11261 | |
11262 | /// Check if statement \a S is valid for <tt>atomic compare</tt>. |
11263 | bool checkStmt(Stmt *S, ErrorInfoTy &ErrorInfo); |
11264 | |
11265 | Expr *getX() const { return X; } |
11266 | Expr *getE() const { return E; } |
11267 | Expr *getD() const { return D; } |
11268 | Expr *getCond() const { return C; } |
11269 | bool isXBinopExpr() const { return IsXBinopExpr; } |
11270 | |
11271 | protected: |
11272 | /// Reference to ASTContext |
11273 | ASTContext &ContextRef; |
11274 | /// 'x' lvalue part of the source atomic expression. |
11275 | Expr *X = nullptr; |
11276 | /// 'expr' or 'e' rvalue part of the source atomic expression. |
11277 | Expr *E = nullptr; |
11278 | /// 'd' rvalue part of the source atomic expression. |
11279 | Expr *D = nullptr; |
11280 | /// 'cond' part of the source atomic expression. It is in one of the following |
11281 | /// forms: |
11282 | /// expr ordop x |
11283 | /// x ordop expr |
11284 | /// x == e |
11285 | /// e == x |
11286 | Expr *C = nullptr; |
11287 | /// True if the cond expr is in the form of 'x ordop expr'. |
11288 | bool IsXBinopExpr = true; |
11289 | |
11290 | /// Check if it is a valid conditional update statement (cond-update-stmt). |
11291 | bool checkCondUpdateStmt(IfStmt *S, ErrorInfoTy &ErrorInfo); |
11292 | |
11293 | /// Check if it is a valid conditional expression statement (cond-expr-stmt). |
11294 | bool checkCondExprStmt(Stmt *S, ErrorInfoTy &ErrorInfo); |
11295 | |
11296 | /// Check if all captured values have right type. |
11297 | bool checkType(ErrorInfoTy &ErrorInfo) const; |
11298 | |
11299 | static bool CheckValue(const Expr *E, ErrorInfoTy &ErrorInfo, |
11300 | bool ShouldBeLValue) { |
11301 | if (ShouldBeLValue && !E->isLValue()) { |
11302 | ErrorInfo.Error = ErrorTy::XNotLValue; |
11303 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = E->getExprLoc(); |
11304 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = E->getSourceRange(); |
11305 | return false; |
11306 | } |
11307 | |
11308 | if (!E->isInstantiationDependent()) { |
11309 | QualType QTy = E->getType(); |
11310 | if (!QTy->isScalarType()) { |
11311 | ErrorInfo.Error = ErrorTy::NotScalar; |
11312 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = E->getExprLoc(); |
11313 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = E->getSourceRange(); |
11314 | return false; |
11315 | } |
11316 | |
11317 | if (!QTy->isIntegerType()) { |
11318 | ErrorInfo.Error = ErrorTy::NotInteger; |
11319 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = E->getExprLoc(); |
11320 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = E->getSourceRange(); |
11321 | return false; |
11322 | } |
11323 | } |
11324 | |
11325 | return true; |
11326 | } |
11327 | }; |
11328 | |
11329 | bool OpenMPAtomicCompareChecker::checkCondUpdateStmt(IfStmt *S, |
11330 | ErrorInfoTy &ErrorInfo) { |
11331 | auto *Then = S->getThen(); |
11332 | if (auto *CS = dyn_cast<CompoundStmt>(Then)) { |
11333 | if (CS->body_empty()) { |
11334 | ErrorInfo.Error = ErrorTy::NoStmt; |
11335 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11336 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11337 | return false; |
11338 | } |
11339 | if (CS->size() > 1) { |
11340 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11341 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11342 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
11343 | return false; |
11344 | } |
11345 | Then = CS->body_front(); |
11346 | } |
11347 | |
11348 | auto *BO = dyn_cast<BinaryOperator>(Then); |
11349 | if (!BO) { |
11350 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11351 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Then->getBeginLoc(); |
11352 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Then->getSourceRange(); |
11353 | return false; |
11354 | } |
11355 | if (BO->getOpcode() != BO_Assign) { |
11356 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11357 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
11358 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
11359 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11360 | return false; |
11361 | } |
11362 | |
11363 | X = BO->getLHS(); |
11364 | |
11365 | auto *Cond = dyn_cast<BinaryOperator>(S->getCond()); |
11366 | if (!Cond) { |
11367 | ErrorInfo.Error = ErrorTy::NotABinaryOp; |
11368 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getCond()->getExprLoc(); |
11369 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getCond()->getSourceRange(); |
11370 | return false; |
11371 | } |
11372 | |
11373 | switch (Cond->getOpcode()) { |
11374 | case BO_EQ: { |
11375 | C = Cond; |
11376 | D = BO->getRHS()->IgnoreImpCasts(); |
11377 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS())) { |
11378 | E = Cond->getRHS()->IgnoreImpCasts(); |
11379 | } else if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11380 | E = Cond->getLHS()->IgnoreImpCasts(); |
11381 | } else { |
11382 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11383 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11384 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11385 | return false; |
11386 | } |
11387 | break; |
11388 | } |
11389 | case BO_LT: |
11390 | case BO_GT: { |
11391 | E = BO->getRHS()->IgnoreImpCasts(); |
11392 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS()) && |
11393 | checkIfTwoExprsAreSame(ContextRef, E, Cond->getRHS())) { |
11394 | C = Cond; |
11395 | } else if (checkIfTwoExprsAreSame(ContextRef, E, Cond->getLHS()) && |
11396 | checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11397 | C = Cond; |
11398 | IsXBinopExpr = false; |
11399 | } else { |
11400 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11401 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11402 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11403 | return false; |
11404 | } |
11405 | break; |
11406 | } |
11407 | default: |
11408 | ErrorInfo.Error = ErrorTy::InvalidBinaryOp; |
11409 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11410 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11411 | return false; |
11412 | } |
11413 | |
11414 | if (S->getElse()) { |
11415 | ErrorInfo.Error = ErrorTy::UnexpectedElse; |
11416 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getElse()->getBeginLoc(); |
11417 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getElse()->getSourceRange(); |
11418 | return false; |
11419 | } |
11420 | |
11421 | return true; |
11422 | } |
11423 | |
11424 | bool OpenMPAtomicCompareChecker::checkCondExprStmt(Stmt *S, |
11425 | ErrorInfoTy &ErrorInfo) { |
11426 | auto *BO = dyn_cast<BinaryOperator>(S); |
11427 | if (!BO) { |
11428 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11429 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getBeginLoc(); |
11430 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
11431 | return false; |
11432 | } |
11433 | if (BO->getOpcode() != BO_Assign) { |
11434 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11435 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
11436 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
11437 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11438 | return false; |
11439 | } |
11440 | |
11441 | X = BO->getLHS(); |
11442 | |
11443 | auto *CO = dyn_cast<ConditionalOperator>(BO->getRHS()->IgnoreParenImpCasts()); |
11444 | if (!CO) { |
11445 | ErrorInfo.Error = ErrorTy::NotCondOp; |
11446 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = BO->getRHS()->getExprLoc(); |
11447 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getRHS()->getSourceRange(); |
11448 | return false; |
11449 | } |
11450 | |
11451 | if (!checkIfTwoExprsAreSame(ContextRef, X, CO->getFalseExpr())) { |
11452 | ErrorInfo.Error = ErrorTy::WrongFalseExpr; |
11453 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CO->getFalseExpr()->getExprLoc(); |
11454 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
11455 | CO->getFalseExpr()->getSourceRange(); |
11456 | return false; |
11457 | } |
11458 | |
11459 | auto *Cond = dyn_cast<BinaryOperator>(CO->getCond()); |
11460 | if (!Cond) { |
11461 | ErrorInfo.Error = ErrorTy::NotABinaryOp; |
11462 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CO->getCond()->getExprLoc(); |
11463 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
11464 | CO->getCond()->getSourceRange(); |
11465 | return false; |
11466 | } |
11467 | |
11468 | switch (Cond->getOpcode()) { |
11469 | case BO_EQ: { |
11470 | C = Cond; |
11471 | D = CO->getTrueExpr()->IgnoreImpCasts(); |
11472 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS())) { |
11473 | E = Cond->getRHS()->IgnoreImpCasts(); |
11474 | } else if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11475 | E = Cond->getLHS()->IgnoreImpCasts(); |
11476 | } else { |
11477 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11478 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11479 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11480 | return false; |
11481 | } |
11482 | break; |
11483 | } |
11484 | case BO_LT: |
11485 | case BO_GT: { |
11486 | E = CO->getTrueExpr()->IgnoreImpCasts(); |
11487 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS()) && |
11488 | checkIfTwoExprsAreSame(ContextRef, E, Cond->getRHS())) { |
11489 | C = Cond; |
11490 | } else if (checkIfTwoExprsAreSame(ContextRef, E, Cond->getLHS()) && |
11491 | checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11492 | C = Cond; |
11493 | IsXBinopExpr = false; |
11494 | } else { |
11495 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11496 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11497 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11498 | return false; |
11499 | } |
11500 | break; |
11501 | } |
11502 | default: |
11503 | ErrorInfo.Error = ErrorTy::InvalidBinaryOp; |
11504 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11505 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11506 | return false; |
11507 | } |
11508 | |
11509 | return true; |
11510 | } |
11511 | |
11512 | bool OpenMPAtomicCompareChecker::checkType(ErrorInfoTy &ErrorInfo) const { |
11513 | // 'x' and 'e' cannot be nullptr |
11514 | assert(X && E && "X and E cannot be nullptr")(static_cast <bool> (X && E && "X and E cannot be nullptr" ) ? void (0) : __assert_fail ("X && E && \"X and E cannot be nullptr\"" , "clang/lib/Sema/SemaOpenMP.cpp", 11514, __extension__ __PRETTY_FUNCTION__ )); |
11515 | |
11516 | if (!CheckValue(X, ErrorInfo, true)) |
11517 | return false; |
11518 | |
11519 | if (!CheckValue(E, ErrorInfo, false)) |
11520 | return false; |
11521 | |
11522 | if (D && !CheckValue(D, ErrorInfo, false)) |
11523 | return false; |
11524 | |
11525 | return true; |
11526 | } |
11527 | |
11528 | bool OpenMPAtomicCompareChecker::checkStmt( |
11529 | Stmt *S, OpenMPAtomicCompareChecker::ErrorInfoTy &ErrorInfo) { |
11530 | auto *CS = dyn_cast<CompoundStmt>(S); |
11531 | if (CS) { |
11532 | if (CS->body_empty()) { |
11533 | ErrorInfo.Error = ErrorTy::NoStmt; |
11534 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11535 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11536 | return false; |
11537 | } |
11538 | |
11539 | if (CS->size() != 1) { |
11540 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11541 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11542 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11543 | return false; |
11544 | } |
11545 | S = CS->body_front(); |
11546 | } |
11547 | |
11548 | auto Res = false; |
11549 | |
11550 | if (auto *IS = dyn_cast<IfStmt>(S)) { |
11551 | // Check if the statement is in one of the following forms |
11552 | // (cond-update-stmt): |
11553 | // if (expr ordop x) { x = expr; } |
11554 | // if (x ordop expr) { x = expr; } |
11555 | // if (x == e) { x = d; } |
11556 | Res = checkCondUpdateStmt(IS, ErrorInfo); |
11557 | } else { |
11558 | // Check if the statement is in one of the following forms (cond-expr-stmt): |
11559 | // x = expr ordop x ? expr : x; |
11560 | // x = x ordop expr ? expr : x; |
11561 | // x = x == e ? d : x; |
11562 | Res = checkCondExprStmt(S, ErrorInfo); |
11563 | } |
11564 | |
11565 | if (!Res) |
11566 | return false; |
11567 | |
11568 | return checkType(ErrorInfo); |
11569 | } |
11570 | |
11571 | class OpenMPAtomicCompareCaptureChecker final |
11572 | : public OpenMPAtomicCompareChecker { |
11573 | public: |
11574 | OpenMPAtomicCompareCaptureChecker(Sema &S) : OpenMPAtomicCompareChecker(S) {} |
11575 | |
11576 | Expr *getV() const { return V; } |
11577 | Expr *getR() const { return R; } |
11578 | bool isFailOnly() const { return IsFailOnly; } |
11579 | |
11580 | /// Check if statement \a S is valid for <tt>atomic compare capture</tt>. |
11581 | bool checkStmt(Stmt *S, ErrorInfoTy &ErrorInfo); |
11582 | |
11583 | private: |
11584 | bool checkType(ErrorInfoTy &ErrorInfo); |
11585 | |
11586 | // NOTE: Form 3, 4, 5 in the following comments mean the 3rd, 4th, and 5th |
11587 | // form of 'conditional-update-capture-atomic' structured block on the v5.2 |
11588 | // spec p.p. 82: |
11589 | // (1) { v = x; cond-update-stmt } |
11590 | // (2) { cond-update-stmt v = x; } |
11591 | // (3) if(x == e) { x = d; } else { v = x; } |
11592 | // (4) { r = x == e; if(r) { x = d; } } |
11593 | // (5) { r = x == e; if(r) { x = d; } else { v = x; } } |
11594 | |
11595 | /// Check if it is valid 'if(x == e) { x = d; } else { v = x; }' (form 3) |
11596 | bool checkForm3(IfStmt *S, ErrorInfoTy &ErrorInfo); |
11597 | |
11598 | /// Check if it is valid '{ r = x == e; if(r) { x = d; } }', |
11599 | /// or '{ r = x == e; if(r) { x = d; } else { v = x; } }' (form 4 and 5) |
11600 | bool checkForm45(Stmt *S, ErrorInfoTy &ErrorInfo); |
11601 | |
11602 | /// 'v' lvalue part of the source atomic expression. |
11603 | Expr *V = nullptr; |
11604 | /// 'r' lvalue part of the source atomic expression. |
11605 | Expr *R = nullptr; |
11606 | /// If 'v' is only updated when the comparison fails. |
11607 | bool IsFailOnly = false; |
11608 | }; |
11609 | |
11610 | bool OpenMPAtomicCompareCaptureChecker::checkType(ErrorInfoTy &ErrorInfo) { |
11611 | if (!OpenMPAtomicCompareChecker::checkType(ErrorInfo)) |
11612 | return false; |
11613 | |
11614 | if (V && !CheckValue(V, ErrorInfo, true)) |
11615 | return false; |
11616 | |
11617 | if (R && !CheckValue(R, ErrorInfo, true)) |
11618 | return false; |
11619 | |
11620 | return true; |
11621 | } |
11622 | |
11623 | bool OpenMPAtomicCompareCaptureChecker::checkForm3(IfStmt *S, |
11624 | ErrorInfoTy &ErrorInfo) { |
11625 | IsFailOnly = true; |
11626 | |
11627 | auto *Then = S->getThen(); |
11628 | if (auto *CS = dyn_cast<CompoundStmt>(Then)) { |
11629 | if (CS->body_empty()) { |
11630 | ErrorInfo.Error = ErrorTy::NoStmt; |
11631 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11632 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11633 | return false; |
11634 | } |
11635 | if (CS->size() > 1) { |
11636 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11637 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11638 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11639 | return false; |
11640 | } |
11641 | Then = CS->body_front(); |
11642 | } |
11643 | |
11644 | auto *BO = dyn_cast<BinaryOperator>(Then); |
11645 | if (!BO) { |
11646 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11647 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Then->getBeginLoc(); |
11648 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Then->getSourceRange(); |
11649 | return false; |
11650 | } |
11651 | if (BO->getOpcode() != BO_Assign) { |
11652 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11653 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
11654 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
11655 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11656 | return false; |
11657 | } |
11658 | |
11659 | X = BO->getLHS(); |
11660 | D = BO->getRHS(); |
11661 | |
11662 | auto *Cond = dyn_cast<BinaryOperator>(S->getCond()); |
11663 | if (!Cond) { |
11664 | ErrorInfo.Error = ErrorTy::NotABinaryOp; |
11665 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getCond()->getExprLoc(); |
11666 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getCond()->getSourceRange(); |
11667 | return false; |
11668 | } |
11669 | if (Cond->getOpcode() != BO_EQ) { |
11670 | ErrorInfo.Error = ErrorTy::NotEQ; |
11671 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11672 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11673 | return false; |
11674 | } |
11675 | |
11676 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS())) { |
11677 | E = Cond->getRHS(); |
11678 | } else if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11679 | E = Cond->getLHS(); |
11680 | } else { |
11681 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11682 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11683 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11684 | return false; |
11685 | } |
11686 | |
11687 | C = Cond; |
11688 | |
11689 | if (!S->getElse()) { |
11690 | ErrorInfo.Error = ErrorTy::NoElse; |
11691 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getBeginLoc(); |
11692 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
11693 | return false; |
11694 | } |
11695 | |
11696 | auto *Else = S->getElse(); |
11697 | if (auto *CS = dyn_cast<CompoundStmt>(Else)) { |
11698 | if (CS->body_empty()) { |
11699 | ErrorInfo.Error = ErrorTy::NoStmt; |
11700 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11701 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11702 | return false; |
11703 | } |
11704 | if (CS->size() > 1) { |
11705 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11706 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11707 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
11708 | return false; |
11709 | } |
11710 | Else = CS->body_front(); |
11711 | } |
11712 | |
11713 | auto *ElseBO = dyn_cast<BinaryOperator>(Else); |
11714 | if (!ElseBO) { |
11715 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11716 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Else->getBeginLoc(); |
11717 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Else->getSourceRange(); |
11718 | return false; |
11719 | } |
11720 | if (ElseBO->getOpcode() != BO_Assign) { |
11721 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11722 | ErrorInfo.ErrorLoc = ElseBO->getExprLoc(); |
11723 | ErrorInfo.NoteLoc = ElseBO->getOperatorLoc(); |
11724 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseBO->getSourceRange(); |
11725 | return false; |
11726 | } |
11727 | |
11728 | if (!checkIfTwoExprsAreSame(ContextRef, X, ElseBO->getRHS())) { |
11729 | ErrorInfo.Error = ErrorTy::InvalidAssignment; |
11730 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ElseBO->getRHS()->getExprLoc(); |
11731 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
11732 | ElseBO->getRHS()->getSourceRange(); |
11733 | return false; |
11734 | } |
11735 | |
11736 | V = ElseBO->getLHS(); |
11737 | |
11738 | return checkType(ErrorInfo); |
11739 | } |
11740 | |
11741 | bool OpenMPAtomicCompareCaptureChecker::checkForm45(Stmt *S, |
11742 | ErrorInfoTy &ErrorInfo) { |
11743 | // We don't check here as they should be already done before call this |
11744 | // function. |
11745 | auto *CS = cast<CompoundStmt>(S); |
11746 | assert(CS->size() == 2 && "CompoundStmt size is not expected")(static_cast <bool> (CS->size() == 2 && "CompoundStmt size is not expected" ) ? void (0) : __assert_fail ("CS->size() == 2 && \"CompoundStmt size is not expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 11746, __extension__ __PRETTY_FUNCTION__ )); |
11747 | auto *S1 = cast<BinaryOperator>(CS->body_front()); |
11748 | auto *S2 = cast<IfStmt>(CS->body_back()); |
11749 | assert(S1->getOpcode() == BO_Assign && "unexpected binary operator")(static_cast <bool> (S1->getOpcode() == BO_Assign && "unexpected binary operator") ? void (0) : __assert_fail ("S1->getOpcode() == BO_Assign && \"unexpected binary operator\"" , "clang/lib/Sema/SemaOpenMP.cpp", 11749, __extension__ __PRETTY_FUNCTION__ )); |
11750 | |
11751 | if (!checkIfTwoExprsAreSame(ContextRef, S1->getLHS(), S2->getCond())) { |
11752 | ErrorInfo.Error = ErrorTy::InvalidCondition; |
11753 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S2->getCond()->getExprLoc(); |
11754 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S1->getLHS()->getSourceRange(); |
11755 | return false; |
11756 | } |
11757 | |
11758 | R = S1->getLHS(); |
11759 | |
11760 | auto *Then = S2->getThen(); |
11761 | if (auto *ThenCS = dyn_cast<CompoundStmt>(Then)) { |
11762 | if (ThenCS->body_empty()) { |
11763 | ErrorInfo.Error = ErrorTy::NoStmt; |
11764 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ThenCS->getBeginLoc(); |
11765 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ThenCS->getSourceRange(); |
11766 | return false; |
11767 | } |
11768 | if (ThenCS->size() > 1) { |
11769 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11770 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ThenCS->getBeginLoc(); |
11771 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ThenCS->getSourceRange(); |
11772 | return false; |
11773 | } |
11774 | Then = ThenCS->body_front(); |
11775 | } |
11776 | |
11777 | auto *ThenBO = dyn_cast<BinaryOperator>(Then); |
11778 | if (!ThenBO) { |
11779 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11780 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S2->getBeginLoc(); |
11781 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S2->getSourceRange(); |
11782 | return false; |
11783 | } |
11784 | if (ThenBO->getOpcode() != BO_Assign) { |
11785 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11786 | ErrorInfo.ErrorLoc = ThenBO->getExprLoc(); |
11787 | ErrorInfo.NoteLoc = ThenBO->getOperatorLoc(); |
11788 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ThenBO->getSourceRange(); |
11789 | return false; |
11790 | } |
11791 | |
11792 | X = ThenBO->getLHS(); |
11793 | D = ThenBO->getRHS(); |
11794 | |
11795 | auto *BO = cast<BinaryOperator>(S1->getRHS()->IgnoreImpCasts()); |
11796 | if (BO->getOpcode() != BO_EQ) { |
11797 | ErrorInfo.Error = ErrorTy::NotEQ; |
11798 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
11799 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
11800 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11801 | return false; |
11802 | } |
11803 | |
11804 | C = BO; |
11805 | |
11806 | if (checkIfTwoExprsAreSame(ContextRef, X, BO->getLHS())) { |
11807 | E = BO->getRHS(); |
11808 | } else if (checkIfTwoExprsAreSame(ContextRef, X, BO->getRHS())) { |
11809 | E = BO->getLHS(); |
11810 | } else { |
11811 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11812 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = BO->getExprLoc(); |
11813 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11814 | return false; |
11815 | } |
11816 | |
11817 | if (S2->getElse()) { |
11818 | IsFailOnly = true; |
11819 | |
11820 | auto *Else = S2->getElse(); |
11821 | if (auto *ElseCS = dyn_cast<CompoundStmt>(Else)) { |
11822 | if (ElseCS->body_empty()) { |
11823 | ErrorInfo.Error = ErrorTy::NoStmt; |
11824 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ElseCS->getBeginLoc(); |
11825 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseCS->getSourceRange(); |
11826 | return false; |
11827 | } |
11828 | if (ElseCS->size() > 1) { |
11829 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11830 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ElseCS->getBeginLoc(); |
11831 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseCS->getSourceRange(); |
11832 | return false; |
11833 | } |
11834 | Else = ElseCS->body_front(); |
11835 | } |
11836 | |
11837 | auto *ElseBO = dyn_cast<BinaryOperator>(Else); |
11838 | if (!ElseBO) { |
11839 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11840 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Else->getBeginLoc(); |
11841 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Else->getSourceRange(); |
11842 | return false; |
11843 | } |
11844 | if (ElseBO->getOpcode() != BO_Assign) { |
11845 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11846 | ErrorInfo.ErrorLoc = ElseBO->getExprLoc(); |
11847 | ErrorInfo.NoteLoc = ElseBO->getOperatorLoc(); |
11848 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseBO->getSourceRange(); |
11849 | return false; |
11850 | } |
11851 | if (!checkIfTwoExprsAreSame(ContextRef, X, ElseBO->getRHS())) { |
11852 | ErrorInfo.Error = ErrorTy::InvalidAssignment; |
11853 | ErrorInfo.ErrorLoc = ElseBO->getRHS()->getExprLoc(); |
11854 | ErrorInfo.NoteLoc = X->getExprLoc(); |
11855 | ErrorInfo.ErrorRange = ElseBO->getRHS()->getSourceRange(); |
11856 | ErrorInfo.NoteRange = X->getSourceRange(); |
11857 | return false; |
11858 | } |
11859 | |
11860 | V = ElseBO->getLHS(); |
11861 | } |
11862 | |
11863 | return checkType(ErrorInfo); |
11864 | } |
11865 | |
11866 | bool OpenMPAtomicCompareCaptureChecker::checkStmt(Stmt *S, |
11867 | ErrorInfoTy &ErrorInfo) { |
11868 | // if(x == e) { x = d; } else { v = x; } |
11869 | if (auto *IS = dyn_cast<IfStmt>(S)) |
11870 | return checkForm3(IS, ErrorInfo); |
11871 | |
11872 | auto *CS = dyn_cast<CompoundStmt>(S); |
11873 | if (!CS) { |
11874 | ErrorInfo.Error = ErrorTy::NotCompoundStmt; |
11875 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getBeginLoc(); |
11876 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
11877 | return false; |
11878 | } |
11879 | if (CS->body_empty()) { |
11880 | ErrorInfo.Error = ErrorTy::NoStmt; |
11881 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11882 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11883 | return false; |
11884 | } |
11885 | |
11886 | // { if(x == e) { x = d; } else { v = x; } } |
11887 | if (CS->size() == 1) { |
11888 | auto *IS = dyn_cast<IfStmt>(CS->body_front()); |
11889 | if (!IS) { |
11890 | ErrorInfo.Error = ErrorTy::NotIfStmt; |
11891 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->body_front()->getBeginLoc(); |
11892 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
11893 | CS->body_front()->getSourceRange(); |
11894 | return false; |
11895 | } |
11896 | |
11897 | return checkForm3(IS, ErrorInfo); |
11898 | } else if (CS->size() == 2) { |
11899 | auto *S1 = CS->body_front(); |
11900 | auto *S2 = CS->body_back(); |
11901 | |
11902 | Stmt *UpdateStmt = nullptr; |
11903 | Stmt *CondUpdateStmt = nullptr; |
11904 | |
11905 | if (auto *BO = dyn_cast<BinaryOperator>(S1)) { |
11906 | // { v = x; cond-update-stmt } or form 45. |
11907 | UpdateStmt = S1; |
11908 | CondUpdateStmt = S2; |
11909 | // Check if form 45. |
11910 | if (dyn_cast<BinaryOperator>(BO->getRHS()->IgnoreImpCasts()) && |
11911 | dyn_cast<IfStmt>(S2)) |
11912 | return checkForm45(CS, ErrorInfo); |
11913 | } else { |
11914 | // { cond-update-stmt v = x; } |
11915 | UpdateStmt = S2; |
11916 | CondUpdateStmt = S1; |
11917 | } |
11918 | |
11919 | auto CheckCondUpdateStmt = [this, &ErrorInfo](Stmt *CUS) { |
11920 | auto *IS = dyn_cast<IfStmt>(CUS); |
11921 | if (!IS) { |
11922 | ErrorInfo.Error = ErrorTy::NotIfStmt; |
11923 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CUS->getBeginLoc(); |
11924 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CUS->getSourceRange(); |
11925 | return false; |
11926 | } |
11927 | |
11928 | if (!checkCondUpdateStmt(IS, ErrorInfo)) |
11929 | return false; |
11930 | |
11931 | return true; |
11932 | }; |
11933 | |
11934 | // CheckUpdateStmt has to be called *after* CheckCondUpdateStmt. |
11935 | auto CheckUpdateStmt = [this, &ErrorInfo](Stmt *US) { |
11936 | auto *BO = dyn_cast<BinaryOperator>(US); |
11937 | if (!BO) { |
11938 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11939 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = US->getBeginLoc(); |
11940 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = US->getSourceRange(); |
11941 | return false; |
11942 | } |
11943 | if (BO->getOpcode() != BO_Assign) { |
11944 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11945 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
11946 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
11947 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11948 | return false; |
11949 | } |
11950 | if (!checkIfTwoExprsAreSame(ContextRef, this->X, BO->getRHS())) { |
11951 | ErrorInfo.Error = ErrorTy::InvalidAssignment; |
11952 | ErrorInfo.ErrorLoc = BO->getRHS()->getExprLoc(); |
11953 | ErrorInfo.NoteLoc = this->X->getExprLoc(); |
11954 | ErrorInfo.ErrorRange = BO->getRHS()->getSourceRange(); |
11955 | ErrorInfo.NoteRange = this->X->getSourceRange(); |
11956 | return false; |
11957 | } |
11958 | |
11959 | this->V = BO->getLHS(); |
11960 | |
11961 | return true; |
11962 | }; |
11963 | |
11964 | if (!CheckCondUpdateStmt(CondUpdateStmt)) |
11965 | return false; |
11966 | if (!CheckUpdateStmt(UpdateStmt)) |
11967 | return false; |
11968 | } else { |
11969 | ErrorInfo.Error = ErrorTy::MoreThanTwoStmts; |
11970 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11971 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11972 | return false; |
11973 | } |
11974 | |
11975 | return checkType(ErrorInfo); |
11976 | } |
11977 | } // namespace |
11978 | |
11979 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, |
11980 | Stmt *AStmt, |
11981 | SourceLocation StartLoc, |
11982 | SourceLocation EndLoc) { |
11983 | // Register location of the first atomic directive. |
11984 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addAtomicDirectiveLoc(StartLoc); |
11985 | if (!AStmt) |
11986 | return StmtError(); |
11987 | |
11988 | // 1.2.2 OpenMP Language Terminology |
11989 | // Structured block - An executable statement with a single entry at the |
11990 | // top and a single exit at the bottom. |
11991 | // The point of exit cannot be a branch out of the structured block. |
11992 | // longjmp() and throw() must not violate the entry/exit criteria. |
11993 | OpenMPClauseKind AtomicKind = OMPC_unknown; |
11994 | SourceLocation AtomicKindLoc; |
11995 | OpenMPClauseKind MemOrderKind = OMPC_unknown; |
11996 | SourceLocation MemOrderLoc; |
11997 | bool MutexClauseEncountered = false; |
11998 | llvm::SmallSet<OpenMPClauseKind, 2> EncounteredAtomicKinds; |
11999 | for (const OMPClause *C : Clauses) { |
12000 | switch (C->getClauseKind()) { |
12001 | case OMPC_read: |
12002 | case OMPC_write: |
12003 | case OMPC_update: |
12004 | MutexClauseEncountered = true; |
12005 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
12006 | case OMPC_capture: |
12007 | case OMPC_compare: { |
12008 | if (AtomicKind != OMPC_unknown && MutexClauseEncountered) { |
12009 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) |
12010 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
12011 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) |
12012 | << getOpenMPClauseName(AtomicKind); |
12013 | } else { |
12014 | AtomicKind = C->getClauseKind(); |
12015 | AtomicKindLoc = C->getBeginLoc(); |
12016 | if (!EncounteredAtomicKinds.insert(C->getClauseKind()).second) { |
12017 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) |
12018 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
12019 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) |
12020 | << getOpenMPClauseName(AtomicKind); |
12021 | } |
12022 | } |
12023 | break; |
12024 | } |
12025 | case OMPC_seq_cst: |
12026 | case OMPC_acq_rel: |
12027 | case OMPC_acquire: |
12028 | case OMPC_release: |
12029 | case OMPC_relaxed: { |
12030 | if (MemOrderKind != OMPC_unknown) { |
12031 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) |
12032 | << getOpenMPDirectiveName(OMPD_atomic) << 0 |
12033 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
12034 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
12035 | << getOpenMPClauseName(MemOrderKind); |
12036 | } else { |
12037 | MemOrderKind = C->getClauseKind(); |
12038 | MemOrderLoc = C->getBeginLoc(); |
12039 | } |
12040 | break; |
12041 | } |
12042 | // The following clauses are allowed, but we don't need to do anything here. |
12043 | case OMPC_hint: |
12044 | break; |
12045 | default: |
12046 | llvm_unreachable("unknown clause is encountered")::llvm::llvm_unreachable_internal("unknown clause is encountered" , "clang/lib/Sema/SemaOpenMP.cpp", 12046); |
12047 | } |
12048 | } |
12049 | bool IsCompareCapture = false; |
12050 | if (EncounteredAtomicKinds.contains(OMPC_compare) && |
12051 | EncounteredAtomicKinds.contains(OMPC_capture)) { |
12052 | IsCompareCapture = true; |
12053 | AtomicKind = OMPC_compare; |
12054 | } |
12055 | // OpenMP 5.0, 2.17.7 atomic Construct, Restrictions |
12056 | // If atomic-clause is read then memory-order-clause must not be acq_rel or |
12057 | // release. |
12058 | // If atomic-clause is write then memory-order-clause must not be acq_rel or |
12059 | // acquire. |
12060 | // If atomic-clause is update or not present then memory-order-clause must not |
12061 | // be acq_rel or acquire. |
12062 | if ((AtomicKind == OMPC_read && |
12063 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_release)) || |
12064 | ((AtomicKind == OMPC_write || AtomicKind == OMPC_update || |
12065 | AtomicKind == OMPC_unknown) && |
12066 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_acquire))) { |
12067 | SourceLocation Loc = AtomicKindLoc; |
12068 | if (AtomicKind == OMPC_unknown) |
12069 | Loc = StartLoc; |
12070 | Diag(Loc, diag::err_omp_atomic_incompatible_mem_order_clause) |
12071 | << getOpenMPClauseName(AtomicKind) |
12072 | << (AtomicKind == OMPC_unknown ? 1 : 0) |
12073 | << getOpenMPClauseName(MemOrderKind); |
12074 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
12075 | << getOpenMPClauseName(MemOrderKind); |
12076 | } |
12077 | |
12078 | Stmt *Body = AStmt; |
12079 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) |
12080 | Body = EWC->getSubExpr(); |
12081 | |
12082 | Expr *X = nullptr; |
12083 | Expr *V = nullptr; |
12084 | Expr *E = nullptr; |
12085 | Expr *UE = nullptr; |
12086 | Expr *D = nullptr; |
12087 | Expr *CE = nullptr; |
12088 | bool IsXLHSInRHSPart = false; |
12089 | bool IsPostfixUpdate = false; |
12090 | // OpenMP [2.12.6, atomic Construct] |
12091 | // In the next expressions: |
12092 | // * x and v (as applicable) are both l-value expressions with scalar type. |
12093 | // * During the execution of an atomic region, multiple syntactic |
12094 | // occurrences of x must designate the same storage location. |
12095 | // * Neither of v and expr (as applicable) may access the storage location |
12096 | // designated by x. |
12097 | // * Neither of x and expr (as applicable) may access the storage location |
12098 | // designated by v. |
12099 | // * expr is an expression with scalar type. |
12100 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. |
12101 | // * binop, binop=, ++, and -- are not overloaded operators. |
12102 | // * The expression x binop expr must be numerically equivalent to x binop |
12103 | // (expr). This requirement is satisfied if the operators in expr have |
12104 | // precedence greater than binop, or by using parentheses around expr or |
12105 | // subexpressions of expr. |
12106 | // * The expression expr binop x must be numerically equivalent to (expr) |
12107 | // binop x. This requirement is satisfied if the operators in expr have |
12108 | // precedence equal to or greater than binop, or by using parentheses around |
12109 | // expr or subexpressions of expr. |
12110 | // * For forms that allow multiple occurrences of x, the number of times |
12111 | // that x is evaluated is unspecified. |
12112 | if (AtomicKind == OMPC_read) { |
12113 | enum { |
12114 | NotAnExpression, |
12115 | NotAnAssignmentOp, |
12116 | NotAScalarType, |
12117 | NotAnLValue, |
12118 | NoError |
12119 | } ErrorFound = NoError; |
12120 | SourceLocation ErrorLoc, NoteLoc; |
12121 | SourceRange ErrorRange, NoteRange; |
12122 | // If clause is read: |
12123 | // v = x; |
12124 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
12125 | const auto *AtomicBinOp = |
12126 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
12127 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
12128 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); |
12129 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); |
12130 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && |
12131 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { |
12132 | if (!X->isLValue() || !V->isLValue()) { |
12133 | const Expr *NotLValueExpr = X->isLValue() ? V : X; |
12134 | ErrorFound = NotAnLValue; |
12135 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12136 | ErrorRange = AtomicBinOp->getSourceRange(); |
12137 | NoteLoc = NotLValueExpr->getExprLoc(); |
12138 | NoteRange = NotLValueExpr->getSourceRange(); |
12139 | } |
12140 | } else if (!X->isInstantiationDependent() || |
12141 | !V->isInstantiationDependent()) { |
12142 | const Expr *NotScalarExpr = |
12143 | (X->isInstantiationDependent() || X->getType()->isScalarType()) |
12144 | ? V |
12145 | : X; |
12146 | ErrorFound = NotAScalarType; |
12147 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12148 | ErrorRange = AtomicBinOp->getSourceRange(); |
12149 | NoteLoc = NotScalarExpr->getExprLoc(); |
12150 | NoteRange = NotScalarExpr->getSourceRange(); |
12151 | } |
12152 | } else if (!AtomicBody->isInstantiationDependent()) { |
12153 | ErrorFound = NotAnAssignmentOp; |
12154 | ErrorLoc = AtomicBody->getExprLoc(); |
12155 | ErrorRange = AtomicBody->getSourceRange(); |
12156 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
12157 | : AtomicBody->getExprLoc(); |
12158 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
12159 | : AtomicBody->getSourceRange(); |
12160 | } |
12161 | } else { |
12162 | ErrorFound = NotAnExpression; |
12163 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12164 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
12165 | } |
12166 | if (ErrorFound != NoError) { |
12167 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) |
12168 | << ErrorRange; |
12169 | Diag(NoteLoc, diag::note_omp_atomic_read_write) |
12170 | << ErrorFound << NoteRange; |
12171 | return StmtError(); |
12172 | } |
12173 | if (CurContext->isDependentContext()) |
12174 | V = X = nullptr; |
12175 | } else if (AtomicKind == OMPC_write) { |
12176 | enum { |
12177 | NotAnExpression, |
12178 | NotAnAssignmentOp, |
12179 | NotAScalarType, |
12180 | NotAnLValue, |
12181 | NoError |
12182 | } ErrorFound = NoError; |
12183 | SourceLocation ErrorLoc, NoteLoc; |
12184 | SourceRange ErrorRange, NoteRange; |
12185 | // If clause is write: |
12186 | // x = expr; |
12187 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
12188 | const auto *AtomicBinOp = |
12189 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
12190 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
12191 | X = AtomicBinOp->getLHS(); |
12192 | E = AtomicBinOp->getRHS(); |
12193 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && |
12194 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { |
12195 | if (!X->isLValue()) { |
12196 | ErrorFound = NotAnLValue; |
12197 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12198 | ErrorRange = AtomicBinOp->getSourceRange(); |
12199 | NoteLoc = X->getExprLoc(); |
12200 | NoteRange = X->getSourceRange(); |
12201 | } |
12202 | } else if (!X->isInstantiationDependent() || |
12203 | !E->isInstantiationDependent()) { |
12204 | const Expr *NotScalarExpr = |
12205 | (X->isInstantiationDependent() || X->getType()->isScalarType()) |
12206 | ? E |
12207 | : X; |
12208 | ErrorFound = NotAScalarType; |
12209 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12210 | ErrorRange = AtomicBinOp->getSourceRange(); |
12211 | NoteLoc = NotScalarExpr->getExprLoc(); |
12212 | NoteRange = NotScalarExpr->getSourceRange(); |
12213 | } |
12214 | } else if (!AtomicBody->isInstantiationDependent()) { |
12215 | ErrorFound = NotAnAssignmentOp; |
12216 | ErrorLoc = AtomicBody->getExprLoc(); |
12217 | ErrorRange = AtomicBody->getSourceRange(); |
12218 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
12219 | : AtomicBody->getExprLoc(); |
12220 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
12221 | : AtomicBody->getSourceRange(); |
12222 | } |
12223 | } else { |
12224 | ErrorFound = NotAnExpression; |
12225 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12226 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
12227 | } |
12228 | if (ErrorFound != NoError) { |
12229 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) |
12230 | << ErrorRange; |
12231 | Diag(NoteLoc, diag::note_omp_atomic_read_write) |
12232 | << ErrorFound << NoteRange; |
12233 | return StmtError(); |
12234 | } |
12235 | if (CurContext->isDependentContext()) |
12236 | E = X = nullptr; |
12237 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { |
12238 | // If clause is update: |
12239 | // x++; |
12240 | // x--; |
12241 | // ++x; |
12242 | // --x; |
12243 | // x binop= expr; |
12244 | // x = x binop expr; |
12245 | // x = expr binop x; |
12246 | OpenMPAtomicUpdateChecker Checker(*this); |
12247 | if (Checker.checkStatement( |
12248 | Body, |
12249 | (AtomicKind == OMPC_update) |
12250 | ? diag::err_omp_atomic_update_not_expression_statement |
12251 | : diag::err_omp_atomic_not_expression_statement, |
12252 | diag::note_omp_atomic_update)) |
12253 | return StmtError(); |
12254 | if (!CurContext->isDependentContext()) { |
12255 | E = Checker.getExpr(); |
12256 | X = Checker.getX(); |
12257 | UE = Checker.getUpdateExpr(); |
12258 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12259 | } |
12260 | } else if (AtomicKind == OMPC_capture) { |
12261 | enum { |
12262 | NotAnAssignmentOp, |
12263 | NotACompoundStatement, |
12264 | NotTwoSubstatements, |
12265 | NotASpecificExpression, |
12266 | NoError |
12267 | } ErrorFound = NoError; |
12268 | SourceLocation ErrorLoc, NoteLoc; |
12269 | SourceRange ErrorRange, NoteRange; |
12270 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
12271 | // If clause is a capture: |
12272 | // v = x++; |
12273 | // v = x--; |
12274 | // v = ++x; |
12275 | // v = --x; |
12276 | // v = x binop= expr; |
12277 | // v = x = x binop expr; |
12278 | // v = x = expr binop x; |
12279 | const auto *AtomicBinOp = |
12280 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
12281 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
12282 | V = AtomicBinOp->getLHS(); |
12283 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); |
12284 | OpenMPAtomicUpdateChecker Checker(*this); |
12285 | if (Checker.checkStatement( |
12286 | Body, diag::err_omp_atomic_capture_not_expression_statement, |
12287 | diag::note_omp_atomic_update)) |
12288 | return StmtError(); |
12289 | E = Checker.getExpr(); |
12290 | X = Checker.getX(); |
12291 | UE = Checker.getUpdateExpr(); |
12292 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12293 | IsPostfixUpdate = Checker.isPostfixUpdate(); |
12294 | } else if (!AtomicBody->isInstantiationDependent()) { |
12295 | ErrorLoc = AtomicBody->getExprLoc(); |
12296 | ErrorRange = AtomicBody->getSourceRange(); |
12297 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
12298 | : AtomicBody->getExprLoc(); |
12299 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
12300 | : AtomicBody->getSourceRange(); |
12301 | ErrorFound = NotAnAssignmentOp; |
12302 | } |
12303 | if (ErrorFound != NoError) { |
12304 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) |
12305 | << ErrorRange; |
12306 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; |
12307 | return StmtError(); |
12308 | } |
12309 | if (CurContext->isDependentContext()) |
12310 | UE = V = E = X = nullptr; |
12311 | } else { |
12312 | // If clause is a capture: |
12313 | // { v = x; x = expr; } |
12314 | // { v = x; x++; } |
12315 | // { v = x; x--; } |
12316 | // { v = x; ++x; } |
12317 | // { v = x; --x; } |
12318 | // { v = x; x binop= expr; } |
12319 | // { v = x; x = x binop expr; } |
12320 | // { v = x; x = expr binop x; } |
12321 | // { x++; v = x; } |
12322 | // { x--; v = x; } |
12323 | // { ++x; v = x; } |
12324 | // { --x; v = x; } |
12325 | // { x binop= expr; v = x; } |
12326 | // { x = x binop expr; v = x; } |
12327 | // { x = expr binop x; v = x; } |
12328 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { |
12329 | // Check that this is { expr1; expr2; } |
12330 | if (CS->size() == 2) { |
12331 | Stmt *First = CS->body_front(); |
12332 | Stmt *Second = CS->body_back(); |
12333 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) |
12334 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); |
12335 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) |
12336 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); |
12337 | // Need to find what subexpression is 'v' and what is 'x'. |
12338 | OpenMPAtomicUpdateChecker Checker(*this); |
12339 | bool IsUpdateExprFound = !Checker.checkStatement(Second); |
12340 | BinaryOperator *BinOp = nullptr; |
12341 | if (IsUpdateExprFound) { |
12342 | BinOp = dyn_cast<BinaryOperator>(First); |
12343 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; |
12344 | } |
12345 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { |
12346 | // { v = x; x++; } |
12347 | // { v = x; x--; } |
12348 | // { v = x; ++x; } |
12349 | // { v = x; --x; } |
12350 | // { v = x; x binop= expr; } |
12351 | // { v = x; x = x binop expr; } |
12352 | // { v = x; x = expr binop x; } |
12353 | // Check that the first expression has form v = x. |
12354 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); |
12355 | llvm::FoldingSetNodeID XId, PossibleXId; |
12356 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); |
12357 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); |
12358 | IsUpdateExprFound = XId == PossibleXId; |
12359 | if (IsUpdateExprFound) { |
12360 | V = BinOp->getLHS(); |
12361 | X = Checker.getX(); |
12362 | E = Checker.getExpr(); |
12363 | UE = Checker.getUpdateExpr(); |
12364 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12365 | IsPostfixUpdate = true; |
12366 | } |
12367 | } |
12368 | if (!IsUpdateExprFound) { |
12369 | IsUpdateExprFound = !Checker.checkStatement(First); |
12370 | BinOp = nullptr; |
12371 | if (IsUpdateExprFound) { |
12372 | BinOp = dyn_cast<BinaryOperator>(Second); |
12373 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; |
12374 | } |
12375 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { |
12376 | // { x++; v = x; } |
12377 | // { x--; v = x; } |
12378 | // { ++x; v = x; } |
12379 | // { --x; v = x; } |
12380 | // { x binop= expr; v = x; } |
12381 | // { x = x binop expr; v = x; } |
12382 | // { x = expr binop x; v = x; } |
12383 | // Check that the second expression has form v = x. |
12384 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); |
12385 | llvm::FoldingSetNodeID XId, PossibleXId; |
12386 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); |
12387 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); |
12388 | IsUpdateExprFound = XId == PossibleXId; |
12389 | if (IsUpdateExprFound) { |
12390 | V = BinOp->getLHS(); |
12391 | X = Checker.getX(); |
12392 | E = Checker.getExpr(); |
12393 | UE = Checker.getUpdateExpr(); |
12394 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12395 | IsPostfixUpdate = false; |
12396 | } |
12397 | } |
12398 | } |
12399 | if (!IsUpdateExprFound) { |
12400 | // { v = x; x = expr; } |
12401 | auto *FirstExpr = dyn_cast<Expr>(First); |
12402 | auto *SecondExpr = dyn_cast<Expr>(Second); |
12403 | if (!FirstExpr || !SecondExpr || |
12404 | !(FirstExpr->isInstantiationDependent() || |
12405 | SecondExpr->isInstantiationDependent())) { |
12406 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); |
12407 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { |
12408 | ErrorFound = NotAnAssignmentOp; |
12409 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() |
12410 | : First->getBeginLoc(); |
12411 | NoteRange = ErrorRange = FirstBinOp |
12412 | ? FirstBinOp->getSourceRange() |
12413 | : SourceRange(ErrorLoc, ErrorLoc); |
12414 | } else { |
12415 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); |
12416 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { |
12417 | ErrorFound = NotAnAssignmentOp; |
12418 | NoteLoc = ErrorLoc = SecondBinOp |
12419 | ? SecondBinOp->getOperatorLoc() |
12420 | : Second->getBeginLoc(); |
12421 | NoteRange = ErrorRange = |
12422 | SecondBinOp ? SecondBinOp->getSourceRange() |
12423 | : SourceRange(ErrorLoc, ErrorLoc); |
12424 | } else { |
12425 | Expr *PossibleXRHSInFirst = |
12426 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); |
12427 | Expr *PossibleXLHSInSecond = |
12428 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); |
12429 | llvm::FoldingSetNodeID X1Id, X2Id; |
12430 | PossibleXRHSInFirst->Profile(X1Id, Context, |
12431 | /*Canonical=*/true); |
12432 | PossibleXLHSInSecond->Profile(X2Id, Context, |
12433 | /*Canonical=*/true); |
12434 | IsUpdateExprFound = X1Id == X2Id; |
12435 | if (IsUpdateExprFound) { |
12436 | V = FirstBinOp->getLHS(); |
12437 | X = SecondBinOp->getLHS(); |
12438 | E = SecondBinOp->getRHS(); |
12439 | UE = nullptr; |
12440 | IsXLHSInRHSPart = false; |
12441 | IsPostfixUpdate = true; |
12442 | } else { |
12443 | ErrorFound = NotASpecificExpression; |
12444 | ErrorLoc = FirstBinOp->getExprLoc(); |
12445 | ErrorRange = FirstBinOp->getSourceRange(); |
12446 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); |
12447 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); |
12448 | } |
12449 | } |
12450 | } |
12451 | } |
12452 | } |
12453 | } else { |
12454 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12455 | NoteRange = ErrorRange = |
12456 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); |
12457 | ErrorFound = NotTwoSubstatements; |
12458 | } |
12459 | } else { |
12460 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12461 | NoteRange = ErrorRange = |
12462 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); |
12463 | ErrorFound = NotACompoundStatement; |
12464 | } |
12465 | } |
12466 | if (ErrorFound != NoError) { |
12467 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) |
12468 | << ErrorRange; |
12469 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; |
12470 | return StmtError(); |
12471 | } |
12472 | if (CurContext->isDependentContext()) |
12473 | UE = V = E = X = nullptr; |
12474 | } else if (AtomicKind == OMPC_compare) { |
12475 | if (IsCompareCapture) { |
12476 | OpenMPAtomicCompareCaptureChecker::ErrorInfoTy ErrorInfo; |
12477 | OpenMPAtomicCompareCaptureChecker Checker(*this); |
12478 | if (!Checker.checkStmt(Body, ErrorInfo)) { |
12479 | Diag(ErrorInfo.ErrorLoc, diag::err_omp_atomic_compare_capture) |
12480 | << ErrorInfo.ErrorRange; |
12481 | Diag(ErrorInfo.NoteLoc, diag::note_omp_atomic_compare) |
12482 | << ErrorInfo.Error << ErrorInfo.NoteRange; |
12483 | return StmtError(); |
12484 | } |
12485 | // TODO: We don't set X, D, E, etc. here because in code gen we will emit |
12486 | // error directly. |
12487 | } else { |
12488 | OpenMPAtomicCompareChecker::ErrorInfoTy ErrorInfo; |
12489 | OpenMPAtomicCompareChecker Checker(*this); |
12490 | if (!Checker.checkStmt(Body, ErrorInfo)) { |
12491 | Diag(ErrorInfo.ErrorLoc, diag::err_omp_atomic_compare) |
12492 | << ErrorInfo.ErrorRange; |
12493 | Diag(ErrorInfo.NoteLoc, diag::note_omp_atomic_compare) |
12494 | << ErrorInfo.Error << ErrorInfo.NoteRange; |
12495 | return StmtError(); |
12496 | } |
12497 | X = Checker.getX(); |
12498 | E = Checker.getE(); |
12499 | D = Checker.getD(); |
12500 | CE = Checker.getCond(); |
12501 | // We reuse IsXLHSInRHSPart to tell if it is in the form 'x ordop expr'. |
12502 | IsXLHSInRHSPart = Checker.isXBinopExpr(); |
12503 | } |
12504 | } |
12505 | |
12506 | setFunctionHasBranchProtectedScope(); |
12507 | |
12508 | return OMPAtomicDirective::Create( |
12509 | Context, StartLoc, EndLoc, Clauses, AStmt, |
12510 | {X, V, E, UE, D, CE, IsXLHSInRHSPart, IsPostfixUpdate}); |
12511 | } |
12512 | |
12513 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, |
12514 | Stmt *AStmt, |
12515 | SourceLocation StartLoc, |
12516 | SourceLocation EndLoc) { |
12517 | if (!AStmt) |
12518 | return StmtError(); |
12519 | |
12520 | auto *CS = cast<CapturedStmt>(AStmt); |
12521 | // 1.2.2 OpenMP Language Terminology |
12522 | // Structured block - An executable statement with a single entry at the |
12523 | // top and a single exit at the bottom. |
12524 | // The point of exit cannot be a branch out of the structured block. |
12525 | // longjmp() and throw() must not violate the entry/exit criteria. |
12526 | CS->getCapturedDecl()->setNothrow(); |
12527 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); |
12528 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12529 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12530 | // 1.2.2 OpenMP Language Terminology |
12531 | // Structured block - An executable statement with a single entry at the |
12532 | // top and a single exit at the bottom. |
12533 | // The point of exit cannot be a branch out of the structured block. |
12534 | // longjmp() and throw() must not violate the entry/exit criteria. |
12535 | CS->getCapturedDecl()->setNothrow(); |
12536 | } |
12537 | |
12538 | // OpenMP [2.16, Nesting of Regions] |
12539 | // If specified, a teams construct must be contained within a target |
12540 | // construct. That target construct must contain no statements or directives |
12541 | // outside of the teams construct. |
12542 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { |
12543 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); |
12544 | bool OMPTeamsFound = true; |
12545 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { |
12546 | auto I = CS->body_begin(); |
12547 | while (I != CS->body_end()) { |
12548 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); |
12549 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || |
12550 | OMPTeamsFound) { |
12551 | |
12552 | OMPTeamsFound = false; |
12553 | break; |
12554 | } |
12555 | ++I; |
12556 | } |
12557 | assert(I != CS->body_end() && "Not found statement")(static_cast <bool> (I != CS->body_end() && "Not found statement" ) ? void (0) : __assert_fail ("I != CS->body_end() && \"Not found statement\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12557, __extension__ __PRETTY_FUNCTION__ )); |
12558 | S = *I; |
12559 | } else { |
12560 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); |
12561 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); |
12562 | } |
12563 | if (!OMPTeamsFound) { |
12564 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); |
12565 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), |
12566 | diag::note_omp_nested_teams_construct_here); |
12567 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) |
12568 | << isa<OMPExecutableDirective>(S); |
12569 | return StmtError(); |
12570 | } |
12571 | } |
12572 | |
12573 | setFunctionHasBranchProtectedScope(); |
12574 | |
12575 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
12576 | } |
12577 | |
12578 | StmtResult |
12579 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, |
12580 | Stmt *AStmt, SourceLocation StartLoc, |
12581 | SourceLocation EndLoc) { |
12582 | if (!AStmt) |
12583 | return StmtError(); |
12584 | |
12585 | auto *CS = cast<CapturedStmt>(AStmt); |
12586 | // 1.2.2 OpenMP Language Terminology |
12587 | // Structured block - An executable statement with a single entry at the |
12588 | // top and a single exit at the bottom. |
12589 | // The point of exit cannot be a branch out of the structured block. |
12590 | // longjmp() and throw() must not violate the entry/exit criteria. |
12591 | CS->getCapturedDecl()->setNothrow(); |
12592 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); |
12593 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12594 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12595 | // 1.2.2 OpenMP Language Terminology |
12596 | // Structured block - An executable statement with a single entry at the |
12597 | // top and a single exit at the bottom. |
12598 | // The point of exit cannot be a branch out of the structured block. |
12599 | // longjmp() and throw() must not violate the entry/exit criteria. |
12600 | CS->getCapturedDecl()->setNothrow(); |
12601 | } |
12602 | |
12603 | setFunctionHasBranchProtectedScope(); |
12604 | |
12605 | return OMPTargetParallelDirective::Create( |
12606 | Context, StartLoc, EndLoc, Clauses, AStmt, |
12607 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
12608 | } |
12609 | |
12610 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( |
12611 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12612 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12613 | if (!AStmt) |
12614 | return StmtError(); |
12615 | |
12616 | auto *CS = cast<CapturedStmt>(AStmt); |
12617 | // 1.2.2 OpenMP Language Terminology |
12618 | // Structured block - An executable statement with a single entry at the |
12619 | // top and a single exit at the bottom. |
12620 | // The point of exit cannot be a branch out of the structured block. |
12621 | // longjmp() and throw() must not violate the entry/exit criteria. |
12622 | CS->getCapturedDecl()->setNothrow(); |
12623 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); |
12624 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12625 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12626 | // 1.2.2 OpenMP Language Terminology |
12627 | // Structured block - An executable statement with a single entry at the |
12628 | // top and a single exit at the bottom. |
12629 | // The point of exit cannot be a branch out of the structured block. |
12630 | // longjmp() and throw() must not violate the entry/exit criteria. |
12631 | CS->getCapturedDecl()->setNothrow(); |
12632 | } |
12633 | |
12634 | OMPLoopBasedDirective::HelperExprs B; |
12635 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
12636 | // define the nested loops number. |
12637 | unsigned NestedLoopCount = |
12638 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), |
12639 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12640 | VarsWithImplicitDSA, B); |
12641 | if (NestedLoopCount == 0) |
12642 | return StmtError(); |
12643 | |
12644 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12645, __extension__ __PRETTY_FUNCTION__ )) |
12645 | "omp target parallel for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12645, __extension__ __PRETTY_FUNCTION__ )); |
12646 | |
12647 | if (!CurContext->isDependentContext()) { |
12648 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12649 | for (OMPClause *C : Clauses) { |
12650 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12651 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12652 | B.NumIterations, *this, CurScope, |
12653 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12654 | return StmtError(); |
12655 | } |
12656 | } |
12657 | |
12658 | setFunctionHasBranchProtectedScope(); |
12659 | return OMPTargetParallelForDirective::Create( |
12660 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
12661 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
12662 | } |
12663 | |
12664 | /// Check for existence of a map clause in the list of clauses. |
12665 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, |
12666 | const OpenMPClauseKind K) { |
12667 | return llvm::any_of( |
12668 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); |
12669 | } |
12670 | |
12671 | template <typename... Params> |
12672 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, |
12673 | const Params... ClauseTypes) { |
12674 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); |
12675 | } |
12676 | |
12677 | /// Check if the variables in the mapping clause are externally visible. |
12678 | static bool isClauseMappable(ArrayRef<OMPClause *> Clauses) { |
12679 | for (const OMPClause *C : Clauses) { |
12680 | if (auto *TC = dyn_cast<OMPToClause>(C)) |
12681 | return llvm::all_of(TC->all_decls(), [](ValueDecl *VD) { |
12682 | return !VD || !VD->hasAttr<OMPDeclareTargetDeclAttr>() || |
12683 | (VD->isExternallyVisible() && |
12684 | VD->getVisibility() != HiddenVisibility); |
12685 | }); |
12686 | else if (auto *FC = dyn_cast<OMPFromClause>(C)) |
12687 | return llvm::all_of(FC->all_decls(), [](ValueDecl *VD) { |
12688 | return !VD || !VD->hasAttr<OMPDeclareTargetDeclAttr>() || |
12689 | (VD->isExternallyVisible() && |
12690 | VD->getVisibility() != HiddenVisibility); |
12691 | }); |
12692 | } |
12693 | |
12694 | return true; |
12695 | } |
12696 | |
12697 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, |
12698 | Stmt *AStmt, |
12699 | SourceLocation StartLoc, |
12700 | SourceLocation EndLoc) { |
12701 | if (!AStmt) |
12702 | return StmtError(); |
12703 | |
12704 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12704, __extension__ __PRETTY_FUNCTION__ )); |
12705 | |
12706 | // OpenMP [2.12.2, target data Construct, Restrictions] |
12707 | // At least one map, use_device_addr or use_device_ptr clause must appear on |
12708 | // the directive. |
12709 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr) && |
12710 | (LangOpts.OpenMP < 50 || !hasClauses(Clauses, OMPC_use_device_addr))) { |
12711 | StringRef Expected; |
12712 | if (LangOpts.OpenMP < 50) |
12713 | Expected = "'map' or 'use_device_ptr'"; |
12714 | else |
12715 | Expected = "'map', 'use_device_ptr', or 'use_device_addr'"; |
12716 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
12717 | << Expected << getOpenMPDirectiveName(OMPD_target_data); |
12718 | return StmtError(); |
12719 | } |
12720 | |
12721 | setFunctionHasBranchProtectedScope(); |
12722 | |
12723 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
12724 | AStmt); |
12725 | } |
12726 | |
12727 | StmtResult |
12728 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, |
12729 | SourceLocation StartLoc, |
12730 | SourceLocation EndLoc, Stmt *AStmt) { |
12731 | if (!AStmt) |
12732 | return StmtError(); |
12733 | |
12734 | auto *CS = cast<CapturedStmt>(AStmt); |
12735 | // 1.2.2 OpenMP Language Terminology |
12736 | // Structured block - An executable statement with a single entry at the |
12737 | // top and a single exit at the bottom. |
12738 | // The point of exit cannot be a branch out of the structured block. |
12739 | // longjmp() and throw() must not violate the entry/exit criteria. |
12740 | CS->getCapturedDecl()->setNothrow(); |
12741 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); |
12742 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12743 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12744 | // 1.2.2 OpenMP Language Terminology |
12745 | // Structured block - An executable statement with a single entry at the |
12746 | // top and a single exit at the bottom. |
12747 | // The point of exit cannot be a branch out of the structured block. |
12748 | // longjmp() and throw() must not violate the entry/exit criteria. |
12749 | CS->getCapturedDecl()->setNothrow(); |
12750 | } |
12751 | |
12752 | // OpenMP [2.10.2, Restrictions, p. 99] |
12753 | // At least one map clause must appear on the directive. |
12754 | if (!hasClauses(Clauses, OMPC_map)) { |
12755 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
12756 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); |
12757 | return StmtError(); |
12758 | } |
12759 | |
12760 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
12761 | AStmt); |
12762 | } |
12763 | |
12764 | StmtResult |
12765 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, |
12766 | SourceLocation StartLoc, |
12767 | SourceLocation EndLoc, Stmt *AStmt) { |
12768 | if (!AStmt) |
12769 | return StmtError(); |
12770 | |
12771 | auto *CS = cast<CapturedStmt>(AStmt); |
12772 | // 1.2.2 OpenMP Language Terminology |
12773 | // Structured block - An executable statement with a single entry at the |
12774 | // top and a single exit at the bottom. |
12775 | // The point of exit cannot be a branch out of the structured block. |
12776 | // longjmp() and throw() must not violate the entry/exit criteria. |
12777 | CS->getCapturedDecl()->setNothrow(); |
12778 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); |
12779 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12780 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12781 | // 1.2.2 OpenMP Language Terminology |
12782 | // Structured block - An executable statement with a single entry at the |
12783 | // top and a single exit at the bottom. |
12784 | // The point of exit cannot be a branch out of the structured block. |
12785 | // longjmp() and throw() must not violate the entry/exit criteria. |
12786 | CS->getCapturedDecl()->setNothrow(); |
12787 | } |
12788 | |
12789 | // OpenMP [2.10.3, Restrictions, p. 102] |
12790 | // At least one map clause must appear on the directive. |
12791 | if (!hasClauses(Clauses, OMPC_map)) { |
12792 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
12793 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); |
12794 | return StmtError(); |
12795 | } |
12796 | |
12797 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
12798 | AStmt); |
12799 | } |
12800 | |
12801 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, |
12802 | SourceLocation StartLoc, |
12803 | SourceLocation EndLoc, |
12804 | Stmt *AStmt) { |
12805 | if (!AStmt) |
12806 | return StmtError(); |
12807 | |
12808 | auto *CS = cast<CapturedStmt>(AStmt); |
12809 | // 1.2.2 OpenMP Language Terminology |
12810 | // Structured block - An executable statement with a single entry at the |
12811 | // top and a single exit at the bottom. |
12812 | // The point of exit cannot be a branch out of the structured block. |
12813 | // longjmp() and throw() must not violate the entry/exit criteria. |
12814 | CS->getCapturedDecl()->setNothrow(); |
12815 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); |
12816 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12817 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12818 | // 1.2.2 OpenMP Language Terminology |
12819 | // Structured block - An executable statement with a single entry at the |
12820 | // top and a single exit at the bottom. |
12821 | // The point of exit cannot be a branch out of the structured block. |
12822 | // longjmp() and throw() must not violate the entry/exit criteria. |
12823 | CS->getCapturedDecl()->setNothrow(); |
12824 | } |
12825 | |
12826 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { |
12827 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); |
12828 | return StmtError(); |
12829 | } |
12830 | |
12831 | if (!isClauseMappable(Clauses)) { |
12832 | Diag(StartLoc, diag::err_omp_cannot_update_with_internal_linkage); |
12833 | return StmtError(); |
12834 | } |
12835 | |
12836 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, |
12837 | AStmt); |
12838 | } |
12839 | |
12840 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, |
12841 | Stmt *AStmt, SourceLocation StartLoc, |
12842 | SourceLocation EndLoc) { |
12843 | if (!AStmt) |
12844 | return StmtError(); |
12845 | |
12846 | auto *CS = cast<CapturedStmt>(AStmt); |
12847 | // 1.2.2 OpenMP Language Terminology |
12848 | // Structured block - An executable statement with a single entry at the |
12849 | // top and a single exit at the bottom. |
12850 | // The point of exit cannot be a branch out of the structured block. |
12851 | // longjmp() and throw() must not violate the entry/exit criteria. |
12852 | CS->getCapturedDecl()->setNothrow(); |
12853 | |
12854 | setFunctionHasBranchProtectedScope(); |
12855 | |
12856 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
12857 | |
12858 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
12859 | } |
12860 | |
12861 | StmtResult |
12862 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, |
12863 | SourceLocation EndLoc, |
12864 | OpenMPDirectiveKind CancelRegion) { |
12865 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { |
12866 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; |
12867 | return StmtError(); |
12868 | } |
12869 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { |
12870 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; |
12871 | return StmtError(); |
12872 | } |
12873 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, |
12874 | CancelRegion); |
12875 | } |
12876 | |
12877 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, |
12878 | SourceLocation StartLoc, |
12879 | SourceLocation EndLoc, |
12880 | OpenMPDirectiveKind CancelRegion) { |
12881 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { |
12882 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; |
12883 | return StmtError(); |
12884 | } |
12885 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { |
12886 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; |
12887 | return StmtError(); |
12888 | } |
12889 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); |
12890 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, |
12891 | CancelRegion); |
12892 | } |
12893 | |
12894 | static bool checkReductionClauseWithNogroup(Sema &S, |
12895 | ArrayRef<OMPClause *> Clauses) { |
12896 | const OMPClause *ReductionClause = nullptr; |
12897 | const OMPClause *NogroupClause = nullptr; |
12898 | for (const OMPClause *C : Clauses) { |
12899 | if (C->getClauseKind() == OMPC_reduction) { |
12900 | ReductionClause = C; |
12901 | if (NogroupClause) |
12902 | break; |
12903 | continue; |
12904 | } |
12905 | if (C->getClauseKind() == OMPC_nogroup) { |
12906 | NogroupClause = C; |
12907 | if (ReductionClause) |
12908 | break; |
12909 | continue; |
12910 | } |
12911 | } |
12912 | if (ReductionClause && NogroupClause) { |
12913 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) |
12914 | << SourceRange(NogroupClause->getBeginLoc(), |
12915 | NogroupClause->getEndLoc()); |
12916 | return true; |
12917 | } |
12918 | return false; |
12919 | } |
12920 | |
12921 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( |
12922 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12923 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12924 | if (!AStmt) |
12925 | return StmtError(); |
12926 | |
12927 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12927, __extension__ __PRETTY_FUNCTION__ )); |
12928 | OMPLoopBasedDirective::HelperExprs B; |
12929 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
12930 | // define the nested loops number. |
12931 | unsigned NestedLoopCount = |
12932 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), |
12933 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12934 | VarsWithImplicitDSA, B); |
12935 | if (NestedLoopCount == 0) |
12936 | return StmtError(); |
12937 | |
12938 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12939, __extension__ __PRETTY_FUNCTION__ )) |
12939 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12939, __extension__ __PRETTY_FUNCTION__ )); |
12940 | |
12941 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
12942 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
12943 | // not appear on the same taskloop directive. |
12944 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
12945 | {OMPC_grainsize, OMPC_num_tasks})) |
12946 | return StmtError(); |
12947 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
12948 | // If a reduction clause is present on the taskloop directive, the nogroup |
12949 | // clause must not be specified. |
12950 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
12951 | return StmtError(); |
12952 | |
12953 | setFunctionHasBranchProtectedScope(); |
12954 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, |
12955 | NestedLoopCount, Clauses, AStmt, B, |
12956 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
12957 | } |
12958 | |
12959 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( |
12960 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12961 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12962 | if (!AStmt) |
12963 | return StmtError(); |
12964 | |
12965 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12965, __extension__ __PRETTY_FUNCTION__ )); |
12966 | OMPLoopBasedDirective::HelperExprs B; |
12967 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
12968 | // define the nested loops number. |
12969 | unsigned NestedLoopCount = |
12970 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), |
12971 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12972 | VarsWithImplicitDSA, B); |
12973 | if (NestedLoopCount == 0) |
12974 | return StmtError(); |
12975 | |
12976 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12977, __extension__ __PRETTY_FUNCTION__ )) |
12977 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 12977, __extension__ __PRETTY_FUNCTION__ )); |
12978 | |
12979 | if (!CurContext->isDependentContext()) { |
12980 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12981 | for (OMPClause *C : Clauses) { |
12982 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12983 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12984 | B.NumIterations, *this, CurScope, |
12985 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12986 | return StmtError(); |
12987 | } |
12988 | } |
12989 | |
12990 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
12991 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
12992 | // not appear on the same taskloop directive. |
12993 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
12994 | {OMPC_grainsize, OMPC_num_tasks})) |
12995 | return StmtError(); |
12996 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
12997 | // If a reduction clause is present on the taskloop directive, the nogroup |
12998 | // clause must not be specified. |
12999 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13000 | return StmtError(); |
13001 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13002 | return StmtError(); |
13003 | |
13004 | setFunctionHasBranchProtectedScope(); |
13005 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, |
13006 | NestedLoopCount, Clauses, AStmt, B); |
13007 | } |
13008 | |
13009 | StmtResult Sema::ActOnOpenMPMasterTaskLoopDirective( |
13010 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13011 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13012 | if (!AStmt) |
13013 | return StmtError(); |
13014 | |
13015 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13015, __extension__ __PRETTY_FUNCTION__ )); |
13016 | OMPLoopBasedDirective::HelperExprs B; |
13017 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13018 | // define the nested loops number. |
13019 | unsigned NestedLoopCount = |
13020 | checkOpenMPLoop(OMPD_master_taskloop, getCollapseNumberExpr(Clauses), |
13021 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13022 | VarsWithImplicitDSA, B); |
13023 | if (NestedLoopCount == 0) |
13024 | return StmtError(); |
13025 | |
13026 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13027, __extension__ __PRETTY_FUNCTION__ )) |
13027 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13027, __extension__ __PRETTY_FUNCTION__ )); |
13028 | |
13029 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13030 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13031 | // not appear on the same taskloop directive. |
13032 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13033 | {OMPC_grainsize, OMPC_num_tasks})) |
13034 | return StmtError(); |
13035 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13036 | // If a reduction clause is present on the taskloop directive, the nogroup |
13037 | // clause must not be specified. |
13038 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13039 | return StmtError(); |
13040 | |
13041 | setFunctionHasBranchProtectedScope(); |
13042 | return OMPMasterTaskLoopDirective::Create(Context, StartLoc, EndLoc, |
13043 | NestedLoopCount, Clauses, AStmt, B, |
13044 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13045 | } |
13046 | |
13047 | StmtResult Sema::ActOnOpenMPMasterTaskLoopSimdDirective( |
13048 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13049 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13050 | if (!AStmt) |
13051 | return StmtError(); |
13052 | |
13053 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13053, __extension__ __PRETTY_FUNCTION__ )); |
13054 | OMPLoopBasedDirective::HelperExprs B; |
13055 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13056 | // define the nested loops number. |
13057 | unsigned NestedLoopCount = |
13058 | checkOpenMPLoop(OMPD_master_taskloop_simd, getCollapseNumberExpr(Clauses), |
13059 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13060 | VarsWithImplicitDSA, B); |
13061 | if (NestedLoopCount == 0) |
13062 | return StmtError(); |
13063 | |
13064 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13065, __extension__ __PRETTY_FUNCTION__ )) |
13065 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13065, __extension__ __PRETTY_FUNCTION__ )); |
13066 | |
13067 | if (!CurContext->isDependentContext()) { |
13068 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13069 | for (OMPClause *C : Clauses) { |
13070 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13071 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13072 | B.NumIterations, *this, CurScope, |
13073 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13074 | return StmtError(); |
13075 | } |
13076 | } |
13077 | |
13078 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13079 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13080 | // not appear on the same taskloop directive. |
13081 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13082 | {OMPC_grainsize, OMPC_num_tasks})) |
13083 | return StmtError(); |
13084 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13085 | // If a reduction clause is present on the taskloop directive, the nogroup |
13086 | // clause must not be specified. |
13087 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13088 | return StmtError(); |
13089 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13090 | return StmtError(); |
13091 | |
13092 | setFunctionHasBranchProtectedScope(); |
13093 | return OMPMasterTaskLoopSimdDirective::Create( |
13094 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13095 | } |
13096 | |
13097 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopDirective( |
13098 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13099 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13100 | if (!AStmt) |
13101 | return StmtError(); |
13102 | |
13103 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13103, __extension__ __PRETTY_FUNCTION__ )); |
13104 | auto *CS = cast<CapturedStmt>(AStmt); |
13105 | // 1.2.2 OpenMP Language Terminology |
13106 | // Structured block - An executable statement with a single entry at the |
13107 | // top and a single exit at the bottom. |
13108 | // The point of exit cannot be a branch out of the structured block. |
13109 | // longjmp() and throw() must not violate the entry/exit criteria. |
13110 | CS->getCapturedDecl()->setNothrow(); |
13111 | for (int ThisCaptureLevel = |
13112 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop); |
13113 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13114 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13115 | // 1.2.2 OpenMP Language Terminology |
13116 | // Structured block - An executable statement with a single entry at the |
13117 | // top and a single exit at the bottom. |
13118 | // The point of exit cannot be a branch out of the structured block. |
13119 | // longjmp() and throw() must not violate the entry/exit criteria. |
13120 | CS->getCapturedDecl()->setNothrow(); |
13121 | } |
13122 | |
13123 | OMPLoopBasedDirective::HelperExprs B; |
13124 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13125 | // define the nested loops number. |
13126 | unsigned NestedLoopCount = checkOpenMPLoop( |
13127 | OMPD_parallel_master_taskloop, getCollapseNumberExpr(Clauses), |
13128 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13129 | VarsWithImplicitDSA, B); |
13130 | if (NestedLoopCount == 0) |
13131 | return StmtError(); |
13132 | |
13133 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13134, __extension__ __PRETTY_FUNCTION__ )) |
13134 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13134, __extension__ __PRETTY_FUNCTION__ )); |
13135 | |
13136 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13137 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13138 | // not appear on the same taskloop directive. |
13139 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13140 | {OMPC_grainsize, OMPC_num_tasks})) |
13141 | return StmtError(); |
13142 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13143 | // If a reduction clause is present on the taskloop directive, the nogroup |
13144 | // clause must not be specified. |
13145 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13146 | return StmtError(); |
13147 | |
13148 | setFunctionHasBranchProtectedScope(); |
13149 | return OMPParallelMasterTaskLoopDirective::Create( |
13150 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13151 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13152 | } |
13153 | |
13154 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopSimdDirective( |
13155 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13156 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13157 | if (!AStmt) |
13158 | return StmtError(); |
13159 | |
13160 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13160, __extension__ __PRETTY_FUNCTION__ )); |
13161 | auto *CS = cast<CapturedStmt>(AStmt); |
13162 | // 1.2.2 OpenMP Language Terminology |
13163 | // Structured block - An executable statement with a single entry at the |
13164 | // top and a single exit at the bottom. |
13165 | // The point of exit cannot be a branch out of the structured block. |
13166 | // longjmp() and throw() must not violate the entry/exit criteria. |
13167 | CS->getCapturedDecl()->setNothrow(); |
13168 | for (int ThisCaptureLevel = |
13169 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop_simd); |
13170 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13171 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13172 | // 1.2.2 OpenMP Language Terminology |
13173 | // Structured block - An executable statement with a single entry at the |
13174 | // top and a single exit at the bottom. |
13175 | // The point of exit cannot be a branch out of the structured block. |
13176 | // longjmp() and throw() must not violate the entry/exit criteria. |
13177 | CS->getCapturedDecl()->setNothrow(); |
13178 | } |
13179 | |
13180 | OMPLoopBasedDirective::HelperExprs B; |
13181 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13182 | // define the nested loops number. |
13183 | unsigned NestedLoopCount = checkOpenMPLoop( |
13184 | OMPD_parallel_master_taskloop_simd, getCollapseNumberExpr(Clauses), |
13185 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13186 | VarsWithImplicitDSA, B); |
13187 | if (NestedLoopCount == 0) |
13188 | return StmtError(); |
13189 | |
13190 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13191, __extension__ __PRETTY_FUNCTION__ )) |
13191 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13191, __extension__ __PRETTY_FUNCTION__ )); |
13192 | |
13193 | if (!CurContext->isDependentContext()) { |
13194 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13195 | for (OMPClause *C : Clauses) { |
13196 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13197 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13198 | B.NumIterations, *this, CurScope, |
13199 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13200 | return StmtError(); |
13201 | } |
13202 | } |
13203 | |
13204 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13205 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13206 | // not appear on the same taskloop directive. |
13207 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13208 | {OMPC_grainsize, OMPC_num_tasks})) |
13209 | return StmtError(); |
13210 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13211 | // If a reduction clause is present on the taskloop directive, the nogroup |
13212 | // clause must not be specified. |
13213 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13214 | return StmtError(); |
13215 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13216 | return StmtError(); |
13217 | |
13218 | setFunctionHasBranchProtectedScope(); |
13219 | return OMPParallelMasterTaskLoopSimdDirective::Create( |
13220 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13221 | } |
13222 | |
13223 | StmtResult Sema::ActOnOpenMPDistributeDirective( |
13224 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13225 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13226 | if (!AStmt) |
13227 | return StmtError(); |
13228 | |
13229 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13229, __extension__ __PRETTY_FUNCTION__ )); |
13230 | OMPLoopBasedDirective::HelperExprs B; |
13231 | // In presence of clause 'collapse' with number of loops, it will |
13232 | // define the nested loops number. |
13233 | unsigned NestedLoopCount = |
13234 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), |
13235 | nullptr /*ordered not a clause on distribute*/, AStmt, |
13236 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
13237 | if (NestedLoopCount == 0) |
13238 | return StmtError(); |
13239 | |
13240 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13241, __extension__ __PRETTY_FUNCTION__ )) |
13241 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13241, __extension__ __PRETTY_FUNCTION__ )); |
13242 | |
13243 | setFunctionHasBranchProtectedScope(); |
13244 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, |
13245 | NestedLoopCount, Clauses, AStmt, B); |
13246 | } |
13247 | |
13248 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( |
13249 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13250 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13251 | if (!AStmt) |
13252 | return StmtError(); |
13253 | |
13254 | auto *CS = cast<CapturedStmt>(AStmt); |
13255 | // 1.2.2 OpenMP Language Terminology |
13256 | // Structured block - An executable statement with a single entry at the |
13257 | // top and a single exit at the bottom. |
13258 | // The point of exit cannot be a branch out of the structured block. |
13259 | // longjmp() and throw() must not violate the entry/exit criteria. |
13260 | CS->getCapturedDecl()->setNothrow(); |
13261 | for (int ThisCaptureLevel = |
13262 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); |
13263 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13264 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13265 | // 1.2.2 OpenMP Language Terminology |
13266 | // Structured block - An executable statement with a single entry at the |
13267 | // top and a single exit at the bottom. |
13268 | // The point of exit cannot be a branch out of the structured block. |
13269 | // longjmp() and throw() must not violate the entry/exit criteria. |
13270 | CS->getCapturedDecl()->setNothrow(); |
13271 | } |
13272 | |
13273 | OMPLoopBasedDirective::HelperExprs B; |
13274 | // In presence of clause 'collapse' with number of loops, it will |
13275 | // define the nested loops number. |
13276 | unsigned NestedLoopCount = checkOpenMPLoop( |
13277 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
13278 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13279 | VarsWithImplicitDSA, B); |
13280 | if (NestedLoopCount == 0) |
13281 | return StmtError(); |
13282 | |
13283 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13284, __extension__ __PRETTY_FUNCTION__ )) |
13284 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13284, __extension__ __PRETTY_FUNCTION__ )); |
13285 | |
13286 | setFunctionHasBranchProtectedScope(); |
13287 | return OMPDistributeParallelForDirective::Create( |
13288 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13289 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13290 | } |
13291 | |
13292 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( |
13293 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13294 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13295 | if (!AStmt) |
13296 | return StmtError(); |
13297 | |
13298 | auto *CS = cast<CapturedStmt>(AStmt); |
13299 | // 1.2.2 OpenMP Language Terminology |
13300 | // Structured block - An executable statement with a single entry at the |
13301 | // top and a single exit at the bottom. |
13302 | // The point of exit cannot be a branch out of the structured block. |
13303 | // longjmp() and throw() must not violate the entry/exit criteria. |
13304 | CS->getCapturedDecl()->setNothrow(); |
13305 | for (int ThisCaptureLevel = |
13306 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); |
13307 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13308 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13309 | // 1.2.2 OpenMP Language Terminology |
13310 | // Structured block - An executable statement with a single entry at the |
13311 | // top and a single exit at the bottom. |
13312 | // The point of exit cannot be a branch out of the structured block. |
13313 | // longjmp() and throw() must not violate the entry/exit criteria. |
13314 | CS->getCapturedDecl()->setNothrow(); |
13315 | } |
13316 | |
13317 | OMPLoopBasedDirective::HelperExprs B; |
13318 | // In presence of clause 'collapse' with number of loops, it will |
13319 | // define the nested loops number. |
13320 | unsigned NestedLoopCount = checkOpenMPLoop( |
13321 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), |
13322 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13323 | VarsWithImplicitDSA, B); |
13324 | if (NestedLoopCount == 0) |
13325 | return StmtError(); |
13326 | |
13327 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13328, __extension__ __PRETTY_FUNCTION__ )) |
13328 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13328, __extension__ __PRETTY_FUNCTION__ )); |
13329 | |
13330 | if (!CurContext->isDependentContext()) { |
13331 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13332 | for (OMPClause *C : Clauses) { |
13333 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13334 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13335 | B.NumIterations, *this, CurScope, |
13336 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13337 | return StmtError(); |
13338 | } |
13339 | } |
13340 | |
13341 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13342 | return StmtError(); |
13343 | |
13344 | setFunctionHasBranchProtectedScope(); |
13345 | return OMPDistributeParallelForSimdDirective::Create( |
13346 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13347 | } |
13348 | |
13349 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( |
13350 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13351 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13352 | if (!AStmt) |
13353 | return StmtError(); |
13354 | |
13355 | auto *CS = cast<CapturedStmt>(AStmt); |
13356 | // 1.2.2 OpenMP Language Terminology |
13357 | // Structured block - An executable statement with a single entry at the |
13358 | // top and a single exit at the bottom. |
13359 | // The point of exit cannot be a branch out of the structured block. |
13360 | // longjmp() and throw() must not violate the entry/exit criteria. |
13361 | CS->getCapturedDecl()->setNothrow(); |
13362 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); |
13363 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13364 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13365 | // 1.2.2 OpenMP Language Terminology |
13366 | // Structured block - An executable statement with a single entry at the |
13367 | // top and a single exit at the bottom. |
13368 | // The point of exit cannot be a branch out of the structured block. |
13369 | // longjmp() and throw() must not violate the entry/exit criteria. |
13370 | CS->getCapturedDecl()->setNothrow(); |
13371 | } |
13372 | |
13373 | OMPLoopBasedDirective::HelperExprs B; |
13374 | // In presence of clause 'collapse' with number of loops, it will |
13375 | // define the nested loops number. |
13376 | unsigned NestedLoopCount = |
13377 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), |
13378 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
13379 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
13380 | if (NestedLoopCount == 0) |
13381 | return StmtError(); |
13382 | |
13383 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13384, __extension__ __PRETTY_FUNCTION__ )) |
13384 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13384, __extension__ __PRETTY_FUNCTION__ )); |
13385 | |
13386 | if (!CurContext->isDependentContext()) { |
13387 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13388 | for (OMPClause *C : Clauses) { |
13389 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13390 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13391 | B.NumIterations, *this, CurScope, |
13392 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13393 | return StmtError(); |
13394 | } |
13395 | } |
13396 | |
13397 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13398 | return StmtError(); |
13399 | |
13400 | setFunctionHasBranchProtectedScope(); |
13401 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, |
13402 | NestedLoopCount, Clauses, AStmt, B); |
13403 | } |
13404 | |
13405 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( |
13406 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13407 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13408 | if (!AStmt) |
13409 | return StmtError(); |
13410 | |
13411 | auto *CS = cast<CapturedStmt>(AStmt); |
13412 | // 1.2.2 OpenMP Language Terminology |
13413 | // Structured block - An executable statement with a single entry at the |
13414 | // top and a single exit at the bottom. |
13415 | // The point of exit cannot be a branch out of the structured block. |
13416 | // longjmp() and throw() must not violate the entry/exit criteria. |
13417 | CS->getCapturedDecl()->setNothrow(); |
13418 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); |
13419 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13420 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13421 | // 1.2.2 OpenMP Language Terminology |
13422 | // Structured block - An executable statement with a single entry at the |
13423 | // top and a single exit at the bottom. |
13424 | // The point of exit cannot be a branch out of the structured block. |
13425 | // longjmp() and throw() must not violate the entry/exit criteria. |
13426 | CS->getCapturedDecl()->setNothrow(); |
13427 | } |
13428 | |
13429 | OMPLoopBasedDirective::HelperExprs B; |
13430 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13431 | // define the nested loops number. |
13432 | unsigned NestedLoopCount = checkOpenMPLoop( |
13433 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), |
13434 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, |
13435 | B); |
13436 | if (NestedLoopCount == 0) |
13437 | return StmtError(); |
13438 | |
13439 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13440, __extension__ __PRETTY_FUNCTION__ )) |
13440 | "omp target parallel for simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13440, __extension__ __PRETTY_FUNCTION__ )); |
13441 | |
13442 | if (!CurContext->isDependentContext()) { |
13443 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13444 | for (OMPClause *C : Clauses) { |
13445 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13446 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13447 | B.NumIterations, *this, CurScope, |
13448 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13449 | return StmtError(); |
13450 | } |
13451 | } |
13452 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13453 | return StmtError(); |
13454 | |
13455 | setFunctionHasBranchProtectedScope(); |
13456 | return OMPTargetParallelForSimdDirective::Create( |
13457 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13458 | } |
13459 | |
13460 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( |
13461 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13462 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13463 | if (!AStmt) |
13464 | return StmtError(); |
13465 | |
13466 | auto *CS = cast<CapturedStmt>(AStmt); |
13467 | // 1.2.2 OpenMP Language Terminology |
13468 | // Structured block - An executable statement with a single entry at the |
13469 | // top and a single exit at the bottom. |
13470 | // The point of exit cannot be a branch out of the structured block. |
13471 | // longjmp() and throw() must not violate the entry/exit criteria. |
13472 | CS->getCapturedDecl()->setNothrow(); |
13473 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); |
13474 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13475 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13476 | // 1.2.2 OpenMP Language Terminology |
13477 | // Structured block - An executable statement with a single entry at the |
13478 | // top and a single exit at the bottom. |
13479 | // The point of exit cannot be a branch out of the structured block. |
13480 | // longjmp() and throw() must not violate the entry/exit criteria. |
13481 | CS->getCapturedDecl()->setNothrow(); |
13482 | } |
13483 | |
13484 | OMPLoopBasedDirective::HelperExprs B; |
13485 | // In presence of clause 'collapse' with number of loops, it will define the |
13486 | // nested loops number. |
13487 | unsigned NestedLoopCount = |
13488 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), |
13489 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13490 | VarsWithImplicitDSA, B); |
13491 | if (NestedLoopCount == 0) |
13492 | return StmtError(); |
13493 | |
13494 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13495, __extension__ __PRETTY_FUNCTION__ )) |
13495 | "omp target simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13495, __extension__ __PRETTY_FUNCTION__ )); |
13496 | |
13497 | if (!CurContext->isDependentContext()) { |
13498 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13499 | for (OMPClause *C : Clauses) { |
13500 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13501 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13502 | B.NumIterations, *this, CurScope, |
13503 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13504 | return StmtError(); |
13505 | } |
13506 | } |
13507 | |
13508 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13509 | return StmtError(); |
13510 | |
13511 | setFunctionHasBranchProtectedScope(); |
13512 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, |
13513 | NestedLoopCount, Clauses, AStmt, B); |
13514 | } |
13515 | |
13516 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( |
13517 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13518 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13519 | if (!AStmt) |
13520 | return StmtError(); |
13521 | |
13522 | auto *CS = cast<CapturedStmt>(AStmt); |
13523 | // 1.2.2 OpenMP Language Terminology |
13524 | // Structured block - An executable statement with a single entry at the |
13525 | // top and a single exit at the bottom. |
13526 | // The point of exit cannot be a branch out of the structured block. |
13527 | // longjmp() and throw() must not violate the entry/exit criteria. |
13528 | CS->getCapturedDecl()->setNothrow(); |
13529 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); |
13530 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13531 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13532 | // 1.2.2 OpenMP Language Terminology |
13533 | // Structured block - An executable statement with a single entry at the |
13534 | // top and a single exit at the bottom. |
13535 | // The point of exit cannot be a branch out of the structured block. |
13536 | // longjmp() and throw() must not violate the entry/exit criteria. |
13537 | CS->getCapturedDecl()->setNothrow(); |
13538 | } |
13539 | |
13540 | OMPLoopBasedDirective::HelperExprs B; |
13541 | // In presence of clause 'collapse' with number of loops, it will |
13542 | // define the nested loops number. |
13543 | unsigned NestedLoopCount = |
13544 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), |
13545 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
13546 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
13547 | if (NestedLoopCount == 0) |
13548 | return StmtError(); |
13549 | |
13550 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13551, __extension__ __PRETTY_FUNCTION__ )) |
13551 | "omp teams distribute loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13551, __extension__ __PRETTY_FUNCTION__ )); |
13552 | |
13553 | setFunctionHasBranchProtectedScope(); |
13554 | |
13555 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
13556 | |
13557 | return OMPTeamsDistributeDirective::Create( |
13558 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13559 | } |
13560 | |
13561 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( |
13562 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13563 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13564 | if (!AStmt) |
13565 | return StmtError(); |
13566 | |
13567 | auto *CS = cast<CapturedStmt>(AStmt); |
13568 | // 1.2.2 OpenMP Language Terminology |
13569 | // Structured block - An executable statement with a single entry at the |
13570 | // top and a single exit at the bottom. |
13571 | // The point of exit cannot be a branch out of the structured block. |
13572 | // longjmp() and throw() must not violate the entry/exit criteria. |
13573 | CS->getCapturedDecl()->setNothrow(); |
13574 | for (int ThisCaptureLevel = |
13575 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); |
13576 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13577 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13578 | // 1.2.2 OpenMP Language Terminology |
13579 | // Structured block - An executable statement with a single entry at the |
13580 | // top and a single exit at the bottom. |
13581 | // The point of exit cannot be a branch out of the structured block. |
13582 | // longjmp() and throw() must not violate the entry/exit criteria. |
13583 | CS->getCapturedDecl()->setNothrow(); |
13584 | } |
13585 | |
13586 | OMPLoopBasedDirective::HelperExprs B; |
13587 | // In presence of clause 'collapse' with number of loops, it will |
13588 | // define the nested loops number. |
13589 | unsigned NestedLoopCount = checkOpenMPLoop( |
13590 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), |
13591 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13592 | VarsWithImplicitDSA, B); |
13593 | |
13594 | if (NestedLoopCount == 0) |
13595 | return StmtError(); |
13596 | |
13597 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13598, __extension__ __PRETTY_FUNCTION__ )) |
13598 | "omp teams distribute simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13598, __extension__ __PRETTY_FUNCTION__ )); |
13599 | |
13600 | if (!CurContext->isDependentContext()) { |
13601 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13602 | for (OMPClause *C : Clauses) { |
13603 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13604 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13605 | B.NumIterations, *this, CurScope, |
13606 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13607 | return StmtError(); |
13608 | } |
13609 | } |
13610 | |
13611 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13612 | return StmtError(); |
13613 | |
13614 | setFunctionHasBranchProtectedScope(); |
13615 | |
13616 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
13617 | |
13618 | return OMPTeamsDistributeSimdDirective::Create( |
13619 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13620 | } |
13621 | |
13622 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( |
13623 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13624 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13625 | if (!AStmt) |
13626 | return StmtError(); |
13627 | |
13628 | auto *CS = cast<CapturedStmt>(AStmt); |
13629 | // 1.2.2 OpenMP Language Terminology |
13630 | // Structured block - An executable statement with a single entry at the |
13631 | // top and a single exit at the bottom. |
13632 | // The point of exit cannot be a branch out of the structured block. |
13633 | // longjmp() and throw() must not violate the entry/exit criteria. |
13634 | CS->getCapturedDecl()->setNothrow(); |
13635 | |
13636 | for (int ThisCaptureLevel = |
13637 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); |
13638 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13639 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13640 | // 1.2.2 OpenMP Language Terminology |
13641 | // Structured block - An executable statement with a single entry at the |
13642 | // top and a single exit at the bottom. |
13643 | // The point of exit cannot be a branch out of the structured block. |
13644 | // longjmp() and throw() must not violate the entry/exit criteria. |
13645 | CS->getCapturedDecl()->setNothrow(); |
13646 | } |
13647 | |
13648 | OMPLoopBasedDirective::HelperExprs B; |
13649 | // In presence of clause 'collapse' with number of loops, it will |
13650 | // define the nested loops number. |
13651 | unsigned NestedLoopCount = checkOpenMPLoop( |
13652 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), |
13653 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13654 | VarsWithImplicitDSA, B); |
13655 | |
13656 | if (NestedLoopCount == 0) |
13657 | return StmtError(); |
13658 | |
13659 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13660, __extension__ __PRETTY_FUNCTION__ )) |
13660 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13660, __extension__ __PRETTY_FUNCTION__ )); |
13661 | |
13662 | if (!CurContext->isDependentContext()) { |
13663 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13664 | for (OMPClause *C : Clauses) { |
13665 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13666 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13667 | B.NumIterations, *this, CurScope, |
13668 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13669 | return StmtError(); |
13670 | } |
13671 | } |
13672 | |
13673 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13674 | return StmtError(); |
13675 | |
13676 | setFunctionHasBranchProtectedScope(); |
13677 | |
13678 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
13679 | |
13680 | return OMPTeamsDistributeParallelForSimdDirective::Create( |
13681 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13682 | } |
13683 | |
13684 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( |
13685 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13686 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13687 | if (!AStmt) |
13688 | return StmtError(); |
13689 | |
13690 | auto *CS = cast<CapturedStmt>(AStmt); |
13691 | // 1.2.2 OpenMP Language Terminology |
13692 | // Structured block - An executable statement with a single entry at the |
13693 | // top and a single exit at the bottom. |
13694 | // The point of exit cannot be a branch out of the structured block. |
13695 | // longjmp() and throw() must not violate the entry/exit criteria. |
13696 | CS->getCapturedDecl()->setNothrow(); |
13697 | |
13698 | for (int ThisCaptureLevel = |
13699 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); |
13700 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13701 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13702 | // 1.2.2 OpenMP Language Terminology |
13703 | // Structured block - An executable statement with a single entry at the |
13704 | // top and a single exit at the bottom. |
13705 | // The point of exit cannot be a branch out of the structured block. |
13706 | // longjmp() and throw() must not violate the entry/exit criteria. |
13707 | CS->getCapturedDecl()->setNothrow(); |
13708 | } |
13709 | |
13710 | OMPLoopBasedDirective::HelperExprs B; |
13711 | // In presence of clause 'collapse' with number of loops, it will |
13712 | // define the nested loops number. |
13713 | unsigned NestedLoopCount = checkOpenMPLoop( |
13714 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
13715 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13716 | VarsWithImplicitDSA, B); |
13717 | |
13718 | if (NestedLoopCount == 0) |
13719 | return StmtError(); |
13720 | |
13721 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13722, __extension__ __PRETTY_FUNCTION__ )) |
13722 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13722, __extension__ __PRETTY_FUNCTION__ )); |
13723 | |
13724 | setFunctionHasBranchProtectedScope(); |
13725 | |
13726 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
13727 | |
13728 | return OMPTeamsDistributeParallelForDirective::Create( |
13729 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13730 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13731 | } |
13732 | |
13733 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, |
13734 | Stmt *AStmt, |
13735 | SourceLocation StartLoc, |
13736 | SourceLocation EndLoc) { |
13737 | if (!AStmt) |
13738 | return StmtError(); |
13739 | |
13740 | auto *CS = cast<CapturedStmt>(AStmt); |
13741 | // 1.2.2 OpenMP Language Terminology |
13742 | // Structured block - An executable statement with a single entry at the |
13743 | // top and a single exit at the bottom. |
13744 | // The point of exit cannot be a branch out of the structured block. |
13745 | // longjmp() and throw() must not violate the entry/exit criteria. |
13746 | CS->getCapturedDecl()->setNothrow(); |
13747 | |
13748 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); |
13749 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13750 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13751 | // 1.2.2 OpenMP Language Terminology |
13752 | // Structured block - An executable statement with a single entry at the |
13753 | // top and a single exit at the bottom. |
13754 | // The point of exit cannot be a branch out of the structured block. |
13755 | // longjmp() and throw() must not violate the entry/exit criteria. |
13756 | CS->getCapturedDecl()->setNothrow(); |
13757 | } |
13758 | setFunctionHasBranchProtectedScope(); |
13759 | |
13760 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, |
13761 | AStmt); |
13762 | } |
13763 | |
13764 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( |
13765 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13766 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13767 | if (!AStmt) |
13768 | return StmtError(); |
13769 | |
13770 | auto *CS = cast<CapturedStmt>(AStmt); |
13771 | // 1.2.2 OpenMP Language Terminology |
13772 | // Structured block - An executable statement with a single entry at the |
13773 | // top and a single exit at the bottom. |
13774 | // The point of exit cannot be a branch out of the structured block. |
13775 | // longjmp() and throw() must not violate the entry/exit criteria. |
13776 | CS->getCapturedDecl()->setNothrow(); |
13777 | for (int ThisCaptureLevel = |
13778 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); |
13779 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13780 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13781 | // 1.2.2 OpenMP Language Terminology |
13782 | // Structured block - An executable statement with a single entry at the |
13783 | // top and a single exit at the bottom. |
13784 | // The point of exit cannot be a branch out of the structured block. |
13785 | // longjmp() and throw() must not violate the entry/exit criteria. |
13786 | CS->getCapturedDecl()->setNothrow(); |
13787 | } |
13788 | |
13789 | OMPLoopBasedDirective::HelperExprs B; |
13790 | // In presence of clause 'collapse' with number of loops, it will |
13791 | // define the nested loops number. |
13792 | unsigned NestedLoopCount = checkOpenMPLoop( |
13793 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), |
13794 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13795 | VarsWithImplicitDSA, B); |
13796 | if (NestedLoopCount == 0) |
13797 | return StmtError(); |
13798 | |
13799 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13800, __extension__ __PRETTY_FUNCTION__ )) |
13800 | "omp target teams distribute loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13800, __extension__ __PRETTY_FUNCTION__ )); |
13801 | |
13802 | setFunctionHasBranchProtectedScope(); |
13803 | return OMPTargetTeamsDistributeDirective::Create( |
13804 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13805 | } |
13806 | |
13807 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( |
13808 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13809 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13810 | if (!AStmt) |
13811 | return StmtError(); |
13812 | |
13813 | auto *CS = cast<CapturedStmt>(AStmt); |
13814 | // 1.2.2 OpenMP Language Terminology |
13815 | // Structured block - An executable statement with a single entry at the |
13816 | // top and a single exit at the bottom. |
13817 | // The point of exit cannot be a branch out of the structured block. |
13818 | // longjmp() and throw() must not violate the entry/exit criteria. |
13819 | CS->getCapturedDecl()->setNothrow(); |
13820 | for (int ThisCaptureLevel = |
13821 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); |
13822 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13823 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13824 | // 1.2.2 OpenMP Language Terminology |
13825 | // Structured block - An executable statement with a single entry at the |
13826 | // top and a single exit at the bottom. |
13827 | // The point of exit cannot be a branch out of the structured block. |
13828 | // longjmp() and throw() must not violate the entry/exit criteria. |
13829 | CS->getCapturedDecl()->setNothrow(); |
13830 | } |
13831 | |
13832 | OMPLoopBasedDirective::HelperExprs B; |
13833 | // In presence of clause 'collapse' with number of loops, it will |
13834 | // define the nested loops number. |
13835 | unsigned NestedLoopCount = checkOpenMPLoop( |
13836 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
13837 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13838 | VarsWithImplicitDSA, B); |
13839 | if (NestedLoopCount == 0) |
13840 | return StmtError(); |
13841 | |
13842 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13843, __extension__ __PRETTY_FUNCTION__ )) |
13843 | "omp target teams distribute parallel for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13843, __extension__ __PRETTY_FUNCTION__ )); |
13844 | |
13845 | if (!CurContext->isDependentContext()) { |
13846 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13847 | for (OMPClause *C : Clauses) { |
13848 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13849 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13850 | B.NumIterations, *this, CurScope, |
13851 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13852 | return StmtError(); |
13853 | } |
13854 | } |
13855 | |
13856 | setFunctionHasBranchProtectedScope(); |
13857 | return OMPTargetTeamsDistributeParallelForDirective::Create( |
13858 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13859 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13860 | } |
13861 | |
13862 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( |
13863 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13864 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13865 | if (!AStmt) |
13866 | return StmtError(); |
13867 | |
13868 | auto *CS = cast<CapturedStmt>(AStmt); |
13869 | // 1.2.2 OpenMP Language Terminology |
13870 | // Structured block - An executable statement with a single entry at the |
13871 | // top and a single exit at the bottom. |
13872 | // The point of exit cannot be a branch out of the structured block. |
13873 | // longjmp() and throw() must not violate the entry/exit criteria. |
13874 | CS->getCapturedDecl()->setNothrow(); |
13875 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( |
13876 | OMPD_target_teams_distribute_parallel_for_simd); |
13877 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13878 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13879 | // 1.2.2 OpenMP Language Terminology |
13880 | // Structured block - An executable statement with a single entry at the |
13881 | // top and a single exit at the bottom. |
13882 | // The point of exit cannot be a branch out of the structured block. |
13883 | // longjmp() and throw() must not violate the entry/exit criteria. |
13884 | CS->getCapturedDecl()->setNothrow(); |
13885 | } |
13886 | |
13887 | OMPLoopBasedDirective::HelperExprs B; |
13888 | // In presence of clause 'collapse' with number of loops, it will |
13889 | // define the nested loops number. |
13890 | unsigned NestedLoopCount = |
13891 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, |
13892 | getCollapseNumberExpr(Clauses), |
13893 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
13894 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
13895 | if (NestedLoopCount == 0) |
13896 | return StmtError(); |
13897 | |
13898 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13900, __extension__ __PRETTY_FUNCTION__ )) |
13899 | "omp target teams distribute parallel for simd loop exprs were not "(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13900, __extension__ __PRETTY_FUNCTION__ )) |
13900 | "built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13900, __extension__ __PRETTY_FUNCTION__ )); |
13901 | |
13902 | if (!CurContext->isDependentContext()) { |
13903 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13904 | for (OMPClause *C : Clauses) { |
13905 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13906 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13907 | B.NumIterations, *this, CurScope, |
13908 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13909 | return StmtError(); |
13910 | } |
13911 | } |
13912 | |
13913 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13914 | return StmtError(); |
13915 | |
13916 | setFunctionHasBranchProtectedScope(); |
13917 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( |
13918 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13919 | } |
13920 | |
13921 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( |
13922 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13923 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13924 | if (!AStmt) |
13925 | return StmtError(); |
13926 | |
13927 | auto *CS = cast<CapturedStmt>(AStmt); |
13928 | // 1.2.2 OpenMP Language Terminology |
13929 | // Structured block - An executable statement with a single entry at the |
13930 | // top and a single exit at the bottom. |
13931 | // The point of exit cannot be a branch out of the structured block. |
13932 | // longjmp() and throw() must not violate the entry/exit criteria. |
13933 | CS->getCapturedDecl()->setNothrow(); |
13934 | for (int ThisCaptureLevel = |
13935 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); |
13936 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13937 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13938 | // 1.2.2 OpenMP Language Terminology |
13939 | // Structured block - An executable statement with a single entry at the |
13940 | // top and a single exit at the bottom. |
13941 | // The point of exit cannot be a branch out of the structured block. |
13942 | // longjmp() and throw() must not violate the entry/exit criteria. |
13943 | CS->getCapturedDecl()->setNothrow(); |
13944 | } |
13945 | |
13946 | OMPLoopBasedDirective::HelperExprs B; |
13947 | // In presence of clause 'collapse' with number of loops, it will |
13948 | // define the nested loops number. |
13949 | unsigned NestedLoopCount = checkOpenMPLoop( |
13950 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), |
13951 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13952 | VarsWithImplicitDSA, B); |
13953 | if (NestedLoopCount == 0) |
13954 | return StmtError(); |
13955 | |
13956 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13957, __extension__ __PRETTY_FUNCTION__ )) |
13957 | "omp target teams distribute simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13957, __extension__ __PRETTY_FUNCTION__ )); |
13958 | |
13959 | if (!CurContext->isDependentContext()) { |
13960 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13961 | for (OMPClause *C : Clauses) { |
13962 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13963 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13964 | B.NumIterations, *this, CurScope, |
13965 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13966 | return StmtError(); |
13967 | } |
13968 | } |
13969 | |
13970 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13971 | return StmtError(); |
13972 | |
13973 | setFunctionHasBranchProtectedScope(); |
13974 | return OMPTargetTeamsDistributeSimdDirective::Create( |
13975 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13976 | } |
13977 | |
13978 | bool Sema::checkTransformableLoopNest( |
13979 | OpenMPDirectiveKind Kind, Stmt *AStmt, int NumLoops, |
13980 | SmallVectorImpl<OMPLoopBasedDirective::HelperExprs> &LoopHelpers, |
13981 | Stmt *&Body, |
13982 | SmallVectorImpl<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>> |
13983 | &OriginalInits) { |
13984 | OriginalInits.emplace_back(); |
13985 | bool Result = OMPLoopBasedDirective::doForAllLoops( |
13986 | AStmt->IgnoreContainers(), /*TryImperfectlyNestedLoops=*/false, NumLoops, |
13987 | [this, &LoopHelpers, &Body, &OriginalInits, Kind](unsigned Cnt, |
13988 | Stmt *CurStmt) { |
13989 | VarsWithInheritedDSAType TmpDSA; |
13990 | unsigned SingleNumLoops = |
13991 | checkOpenMPLoop(Kind, nullptr, nullptr, CurStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13992 | TmpDSA, LoopHelpers[Cnt]); |
13993 | if (SingleNumLoops == 0) |
13994 | return true; |
13995 | assert(SingleNumLoops == 1 && "Expect single loop iteration space")(static_cast <bool> (SingleNumLoops == 1 && "Expect single loop iteration space" ) ? void (0) : __assert_fail ("SingleNumLoops == 1 && \"Expect single loop iteration space\"" , "clang/lib/Sema/SemaOpenMP.cpp", 13995, __extension__ __PRETTY_FUNCTION__ )); |
13996 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { |
13997 | OriginalInits.back().push_back(For->getInit()); |
13998 | Body = For->getBody(); |
13999 | } else { |
14000 | assert(isa<CXXForRangeStmt>(CurStmt) &&(static_cast <bool> (isa<CXXForRangeStmt>(CurStmt ) && "Expected canonical for or range-based for loops." ) ? void (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14001, __extension__ __PRETTY_FUNCTION__ )) |
14001 | "Expected canonical for or range-based for loops.")(static_cast <bool> (isa<CXXForRangeStmt>(CurStmt ) && "Expected canonical for or range-based for loops." ) ? void (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14001, __extension__ __PRETTY_FUNCTION__ )); |
14002 | auto *CXXFor = cast<CXXForRangeStmt>(CurStmt); |
14003 | OriginalInits.back().push_back(CXXFor->getBeginStmt()); |
14004 | Body = CXXFor->getBody(); |
14005 | } |
14006 | OriginalInits.emplace_back(); |
14007 | return false; |
14008 | }, |
14009 | [&OriginalInits](OMPLoopBasedDirective *Transform) { |
14010 | Stmt *DependentPreInits; |
14011 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) |
14012 | DependentPreInits = Dir->getPreInits(); |
14013 | else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) |
14014 | DependentPreInits = Dir->getPreInits(); |
14015 | else |
14016 | llvm_unreachable("Unhandled loop transformation")::llvm::llvm_unreachable_internal("Unhandled loop transformation" , "clang/lib/Sema/SemaOpenMP.cpp", 14016); |
14017 | if (!DependentPreInits) |
14018 | return; |
14019 | llvm::append_range(OriginalInits.back(), |
14020 | cast<DeclStmt>(DependentPreInits)->getDeclGroup()); |
14021 | }); |
14022 | assert(OriginalInits.back().empty() && "No preinit after innermost loop")(static_cast <bool> (OriginalInits.back().empty() && "No preinit after innermost loop") ? void (0) : __assert_fail ("OriginalInits.back().empty() && \"No preinit after innermost loop\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14022, __extension__ __PRETTY_FUNCTION__ )); |
14023 | OriginalInits.pop_back(); |
14024 | return Result; |
14025 | } |
14026 | |
14027 | StmtResult Sema::ActOnOpenMPTileDirective(ArrayRef<OMPClause *> Clauses, |
14028 | Stmt *AStmt, SourceLocation StartLoc, |
14029 | SourceLocation EndLoc) { |
14030 | auto SizesClauses = |
14031 | OMPExecutableDirective::getClausesOfKind<OMPSizesClause>(Clauses); |
14032 | if (SizesClauses.empty()) { |
14033 | // A missing 'sizes' clause is already reported by the parser. |
14034 | return StmtError(); |
14035 | } |
14036 | const OMPSizesClause *SizesClause = *SizesClauses.begin(); |
14037 | unsigned NumLoops = SizesClause->getNumSizes(); |
14038 | |
14039 | // Empty statement should only be possible if there already was an error. |
14040 | if (!AStmt) |
14041 | return StmtError(); |
14042 | |
14043 | // Verify and diagnose loop nest. |
14044 | SmallVector<OMPLoopBasedDirective::HelperExprs, 4> LoopHelpers(NumLoops); |
14045 | Stmt *Body = nullptr; |
14046 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, 4> |
14047 | OriginalInits; |
14048 | if (!checkTransformableLoopNest(OMPD_tile, AStmt, NumLoops, LoopHelpers, Body, |
14049 | OriginalInits)) |
14050 | return StmtError(); |
14051 | |
14052 | // Delay tiling to when template is completely instantiated. |
14053 | if (CurContext->isDependentContext()) |
14054 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, |
14055 | NumLoops, AStmt, nullptr, nullptr); |
14056 | |
14057 | SmallVector<Decl *, 4> PreInits; |
14058 | |
14059 | // Create iteration variables for the generated loops. |
14060 | SmallVector<VarDecl *, 4> FloorIndVars; |
14061 | SmallVector<VarDecl *, 4> TileIndVars; |
14062 | FloorIndVars.resize(NumLoops); |
14063 | TileIndVars.resize(NumLoops); |
14064 | for (unsigned I = 0; I < NumLoops; ++I) { |
14065 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; |
14066 | |
14067 | assert(LoopHelper.Counters.size() == 1 &&(static_cast <bool> (LoopHelper.Counters.size() == 1 && "Expect single-dimensional loop iteration space") ? void (0) : __assert_fail ("LoopHelper.Counters.size() == 1 && \"Expect single-dimensional loop iteration space\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14068, __extension__ __PRETTY_FUNCTION__ )) |
14068 | "Expect single-dimensional loop iteration space")(static_cast <bool> (LoopHelper.Counters.size() == 1 && "Expect single-dimensional loop iteration space") ? void (0) : __assert_fail ("LoopHelper.Counters.size() == 1 && \"Expect single-dimensional loop iteration space\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14068, __extension__ __PRETTY_FUNCTION__ )); |
14069 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); |
14070 | std::string OrigVarName = OrigCntVar->getNameInfo().getAsString(); |
14071 | DeclRefExpr *IterVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); |
14072 | QualType CntTy = IterVarRef->getType(); |
14073 | |
14074 | // Iteration variable for the floor (i.e. outer) loop. |
14075 | { |
14076 | std::string FloorCntName = |
14077 | (Twine(".floor_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); |
14078 | VarDecl *FloorCntDecl = |
14079 | buildVarDecl(*this, {}, CntTy, FloorCntName, nullptr, OrigCntVar); |
14080 | FloorIndVars[I] = FloorCntDecl; |
14081 | } |
14082 | |
14083 | // Iteration variable for the tile (i.e. inner) loop. |
14084 | { |
14085 | std::string TileCntName = |
14086 | (Twine(".tile_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); |
14087 | |
14088 | // Reuse the iteration variable created by checkOpenMPLoop. It is also |
14089 | // used by the expressions to derive the original iteration variable's |
14090 | // value from the logical iteration number. |
14091 | auto *TileCntDecl = cast<VarDecl>(IterVarRef->getDecl()); |
14092 | TileCntDecl->setDeclName(&PP.getIdentifierTable().get(TileCntName)); |
14093 | TileIndVars[I] = TileCntDecl; |
14094 | } |
14095 | for (auto &P : OriginalInits[I]) { |
14096 | if (auto *D = P.dyn_cast<Decl *>()) |
14097 | PreInits.push_back(D); |
14098 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) |
14099 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
14100 | } |
14101 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) |
14102 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
14103 | // Gather declarations for the data members used as counters. |
14104 | for (Expr *CounterRef : LoopHelper.Counters) { |
14105 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); |
14106 | if (isa<OMPCapturedExprDecl>(CounterDecl)) |
14107 | PreInits.push_back(CounterDecl); |
14108 | } |
14109 | } |
14110 | |
14111 | // Once the original iteration values are set, append the innermost body. |
14112 | Stmt *Inner = Body; |
14113 | |
14114 | // Create tile loops from the inside to the outside. |
14115 | for (int I = NumLoops - 1; I >= 0; --I) { |
14116 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; |
14117 | Expr *NumIterations = LoopHelper.NumIterations; |
14118 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); |
14119 | QualType CntTy = OrigCntVar->getType(); |
14120 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; |
14121 | Scope *CurScope = getCurScope(); |
14122 | |
14123 | // Commonly used variables. |
14124 | DeclRefExpr *TileIV = buildDeclRefExpr(*this, TileIndVars[I], CntTy, |
14125 | OrigCntVar->getExprLoc()); |
14126 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, |
14127 | OrigCntVar->getExprLoc()); |
14128 | |
14129 | // For init-statement: auto .tile.iv = .floor.iv |
14130 | AddInitializerToDecl(TileIndVars[I], DefaultLvalueConversion(FloorIV).get(), |
14131 | /*DirectInit=*/false); |
14132 | Decl *CounterDecl = TileIndVars[I]; |
14133 | StmtResult InitStmt = new (Context) |
14134 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), |
14135 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); |
14136 | if (!InitStmt.isUsable()) |
14137 | return StmtError(); |
14138 | |
14139 | // For cond-expression: .tile.iv < min(.floor.iv + DimTileSize, |
14140 | // NumIterations) |
14141 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14142 | BO_Add, FloorIV, DimTileSize); |
14143 | if (!EndOfTile.isUsable()) |
14144 | return StmtError(); |
14145 | ExprResult IsPartialTile = |
14146 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, |
14147 | NumIterations, EndOfTile.get()); |
14148 | if (!IsPartialTile.isUsable()) |
14149 | return StmtError(); |
14150 | ExprResult MinTileAndIterSpace = ActOnConditionalOp( |
14151 | LoopHelper.Cond->getBeginLoc(), LoopHelper.Cond->getEndLoc(), |
14152 | IsPartialTile.get(), NumIterations, EndOfTile.get()); |
14153 | if (!MinTileAndIterSpace.isUsable()) |
14154 | return StmtError(); |
14155 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14156 | BO_LT, TileIV, MinTileAndIterSpace.get()); |
14157 | if (!CondExpr.isUsable()) |
14158 | return StmtError(); |
14159 | |
14160 | // For incr-statement: ++.tile.iv |
14161 | ExprResult IncrStmt = |
14162 | BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), UO_PreInc, TileIV); |
14163 | if (!IncrStmt.isUsable()) |
14164 | return StmtError(); |
14165 | |
14166 | // Statements to set the original iteration variable's value from the |
14167 | // logical iteration number. |
14168 | // Generated for loop is: |
14169 | // Original_for_init; |
14170 | // for (auto .tile.iv = .floor.iv; .tile.iv < min(.floor.iv + DimTileSize, |
14171 | // NumIterations); ++.tile.iv) { |
14172 | // Original_Body; |
14173 | // Original_counter_update; |
14174 | // } |
14175 | // FIXME: If the innermost body is an loop itself, inserting these |
14176 | // statements stops it being recognized as a perfectly nested loop (e.g. |
14177 | // for applying tiling again). If this is the case, sink the expressions |
14178 | // further into the inner loop. |
14179 | SmallVector<Stmt *, 4> BodyParts; |
14180 | BodyParts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); |
14181 | BodyParts.push_back(Inner); |
14182 | Inner = CompoundStmt::Create(Context, BodyParts, Inner->getBeginLoc(), |
14183 | Inner->getEndLoc()); |
14184 | Inner = new (Context) |
14185 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, |
14186 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), |
14187 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
14188 | } |
14189 | |
14190 | // Create floor loops from the inside to the outside. |
14191 | for (int I = NumLoops - 1; I >= 0; --I) { |
14192 | auto &LoopHelper = LoopHelpers[I]; |
14193 | Expr *NumIterations = LoopHelper.NumIterations; |
14194 | DeclRefExpr *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); |
14195 | QualType CntTy = OrigCntVar->getType(); |
14196 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; |
14197 | Scope *CurScope = getCurScope(); |
14198 | |
14199 | // Commonly used variables. |
14200 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, |
14201 | OrigCntVar->getExprLoc()); |
14202 | |
14203 | // For init-statement: auto .floor.iv = 0 |
14204 | AddInitializerToDecl( |
14205 | FloorIndVars[I], |
14206 | ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), |
14207 | /*DirectInit=*/false); |
14208 | Decl *CounterDecl = FloorIndVars[I]; |
14209 | StmtResult InitStmt = new (Context) |
14210 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), |
14211 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); |
14212 | if (!InitStmt.isUsable()) |
14213 | return StmtError(); |
14214 | |
14215 | // For cond-expression: .floor.iv < NumIterations |
14216 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14217 | BO_LT, FloorIV, NumIterations); |
14218 | if (!CondExpr.isUsable()) |
14219 | return StmtError(); |
14220 | |
14221 | // For incr-statement: .floor.iv += DimTileSize |
14222 | ExprResult IncrStmt = BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), |
14223 | BO_AddAssign, FloorIV, DimTileSize); |
14224 | if (!IncrStmt.isUsable()) |
14225 | return StmtError(); |
14226 | |
14227 | Inner = new (Context) |
14228 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, |
14229 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), |
14230 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
14231 | } |
14232 | |
14233 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, NumLoops, |
14234 | AStmt, Inner, |
14235 | buildPreInits(Context, PreInits)); |
14236 | } |
14237 | |
14238 | StmtResult Sema::ActOnOpenMPUnrollDirective(ArrayRef<OMPClause *> Clauses, |
14239 | Stmt *AStmt, |
14240 | SourceLocation StartLoc, |
14241 | SourceLocation EndLoc) { |
14242 | // Empty statement should only be possible if there already was an error. |
14243 | if (!AStmt) |
14244 | return StmtError(); |
14245 | |
14246 | if (checkMutuallyExclusiveClauses(*this, Clauses, {OMPC_partial, OMPC_full})) |
14247 | return StmtError(); |
14248 | |
14249 | const OMPFullClause *FullClause = |
14250 | OMPExecutableDirective::getSingleClause<OMPFullClause>(Clauses); |
14251 | const OMPPartialClause *PartialClause = |
14252 | OMPExecutableDirective::getSingleClause<OMPPartialClause>(Clauses); |
14253 | assert(!(FullClause && PartialClause) &&(static_cast <bool> (!(FullClause && PartialClause ) && "mutual exclusivity must have been checked before" ) ? void (0) : __assert_fail ("!(FullClause && PartialClause) && \"mutual exclusivity must have been checked before\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14254, __extension__ __PRETTY_FUNCTION__ )) |
14254 | "mutual exclusivity must have been checked before")(static_cast <bool> (!(FullClause && PartialClause ) && "mutual exclusivity must have been checked before" ) ? void (0) : __assert_fail ("!(FullClause && PartialClause) && \"mutual exclusivity must have been checked before\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14254, __extension__ __PRETTY_FUNCTION__ )); |
14255 | |
14256 | constexpr unsigned NumLoops = 1; |
14257 | Stmt *Body = nullptr; |
14258 | SmallVector<OMPLoopBasedDirective::HelperExprs, NumLoops> LoopHelpers( |
14259 | NumLoops); |
14260 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, NumLoops + 1> |
14261 | OriginalInits; |
14262 | if (!checkTransformableLoopNest(OMPD_unroll, AStmt, NumLoops, LoopHelpers, |
14263 | Body, OriginalInits)) |
14264 | return StmtError(); |
14265 | |
14266 | unsigned NumGeneratedLoops = PartialClause ? 1 : 0; |
14267 | |
14268 | // Delay unrolling to when template is completely instantiated. |
14269 | if (CurContext->isDependentContext()) |
14270 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
14271 | NumGeneratedLoops, nullptr, nullptr); |
14272 | |
14273 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers.front(); |
14274 | |
14275 | if (FullClause) { |
14276 | if (!VerifyPositiveIntegerConstantInClause( |
14277 | LoopHelper.NumIterations, OMPC_full, /*StrictlyPositive=*/false, |
14278 | /*SuppressExprDiags=*/true) |
14279 | .isUsable()) { |
14280 | Diag(AStmt->getBeginLoc(), diag::err_omp_unroll_full_variable_trip_count); |
14281 | Diag(FullClause->getBeginLoc(), diag::note_omp_directive_here) |
14282 | << "#pragma omp unroll full"; |
14283 | return StmtError(); |
14284 | } |
14285 | } |
14286 | |
14287 | // The generated loop may only be passed to other loop-associated directive |
14288 | // when a partial clause is specified. Without the requirement it is |
14289 | // sufficient to generate loop unroll metadata at code-generation. |
14290 | if (NumGeneratedLoops == 0) |
14291 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
14292 | NumGeneratedLoops, nullptr, nullptr); |
14293 | |
14294 | // Otherwise, we need to provide a de-sugared/transformed AST that can be |
14295 | // associated with another loop directive. |
14296 | // |
14297 | // The canonical loop analysis return by checkTransformableLoopNest assumes |
14298 | // the following structure to be the same loop without transformations or |
14299 | // directives applied: \code OriginalInits; LoopHelper.PreInits; |
14300 | // LoopHelper.Counters; |
14301 | // for (; IV < LoopHelper.NumIterations; ++IV) { |
14302 | // LoopHelper.Updates; |
14303 | // Body; |
14304 | // } |
14305 | // \endcode |
14306 | // where IV is a variable declared and initialized to 0 in LoopHelper.PreInits |
14307 | // and referenced by LoopHelper.IterationVarRef. |
14308 | // |
14309 | // The unrolling directive transforms this into the following loop: |
14310 | // \code |
14311 | // OriginalInits; \ |
14312 | // LoopHelper.PreInits; > NewPreInits |
14313 | // LoopHelper.Counters; / |
14314 | // for (auto UIV = 0; UIV < LoopHelper.NumIterations; UIV+=Factor) { |
14315 | // #pragma clang loop unroll_count(Factor) |
14316 | // for (IV = UIV; IV < UIV + Factor && UIV < LoopHelper.NumIterations; ++IV) |
14317 | // { |
14318 | // LoopHelper.Updates; |
14319 | // Body; |
14320 | // } |
14321 | // } |
14322 | // \endcode |
14323 | // where UIV is a new logical iteration counter. IV must be the same VarDecl |
14324 | // as the original LoopHelper.IterationVarRef because LoopHelper.Updates |
14325 | // references it. If the partially unrolled loop is associated with another |
14326 | // loop directive (like an OMPForDirective), it will use checkOpenMPLoop to |
14327 | // analyze this loop, i.e. the outer loop must fulfill the constraints of an |
14328 | // OpenMP canonical loop. The inner loop is not an associable canonical loop |
14329 | // and only exists to defer its unrolling to LLVM's LoopUnroll instead of |
14330 | // doing it in the frontend (by adding loop metadata). NewPreInits becomes a |
14331 | // property of the OMPLoopBasedDirective instead of statements in |
14332 | // CompoundStatement. This is to allow the loop to become a non-outermost loop |
14333 | // of a canonical loop nest where these PreInits are emitted before the |
14334 | // outermost directive. |
14335 | |
14336 | // Determine the PreInit declarations. |
14337 | SmallVector<Decl *, 4> PreInits; |
14338 | assert(OriginalInits.size() == 1 &&(static_cast <bool> (OriginalInits.size() == 1 && "Expecting a single-dimensional loop iteration space") ? void (0) : __assert_fail ("OriginalInits.size() == 1 && \"Expecting a single-dimensional loop iteration space\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14339, __extension__ __PRETTY_FUNCTION__ )) |
14339 | "Expecting a single-dimensional loop iteration space")(static_cast <bool> (OriginalInits.size() == 1 && "Expecting a single-dimensional loop iteration space") ? void (0) : __assert_fail ("OriginalInits.size() == 1 && \"Expecting a single-dimensional loop iteration space\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14339, __extension__ __PRETTY_FUNCTION__ )); |
14340 | for (auto &P : OriginalInits[0]) { |
14341 | if (auto *D = P.dyn_cast<Decl *>()) |
14342 | PreInits.push_back(D); |
14343 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) |
14344 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
14345 | } |
14346 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) |
14347 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
14348 | // Gather declarations for the data members used as counters. |
14349 | for (Expr *CounterRef : LoopHelper.Counters) { |
14350 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); |
14351 | if (isa<OMPCapturedExprDecl>(CounterDecl)) |
14352 | PreInits.push_back(CounterDecl); |
14353 | } |
14354 | |
14355 | auto *IterationVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); |
14356 | QualType IVTy = IterationVarRef->getType(); |
14357 | assert(LoopHelper.Counters.size() == 1 &&(static_cast <bool> (LoopHelper.Counters.size() == 1 && "Expecting a single-dimensional loop iteration space") ? void (0) : __assert_fail ("LoopHelper.Counters.size() == 1 && \"Expecting a single-dimensional loop iteration space\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14358, __extension__ __PRETTY_FUNCTION__ )) |
14358 | "Expecting a single-dimensional loop iteration space")(static_cast <bool> (LoopHelper.Counters.size() == 1 && "Expecting a single-dimensional loop iteration space") ? void (0) : __assert_fail ("LoopHelper.Counters.size() == 1 && \"Expecting a single-dimensional loop iteration space\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14358, __extension__ __PRETTY_FUNCTION__ )); |
14359 | auto *OrigVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); |
14360 | |
14361 | // Determine the unroll factor. |
14362 | uint64_t Factor; |
14363 | SourceLocation FactorLoc; |
14364 | if (Expr *FactorVal = PartialClause->getFactor()) { |
14365 | Factor = |
14366 | FactorVal->getIntegerConstantExpr(Context).getValue().getZExtValue(); |
14367 | FactorLoc = FactorVal->getExprLoc(); |
14368 | } else { |
14369 | // TODO: Use a better profitability model. |
14370 | Factor = 2; |
14371 | } |
14372 | assert(Factor > 0 && "Expected positive unroll factor")(static_cast <bool> (Factor > 0 && "Expected positive unroll factor" ) ? void (0) : __assert_fail ("Factor > 0 && \"Expected positive unroll factor\"" , "clang/lib/Sema/SemaOpenMP.cpp", 14372, __extension__ __PRETTY_FUNCTION__ )); |
14373 | auto MakeFactorExpr = [this, Factor, IVTy, FactorLoc]() { |
14374 | return IntegerLiteral::Create( |
14375 | Context, llvm::APInt(Context.getIntWidth(IVTy), Factor), IVTy, |
14376 | FactorLoc); |
14377 | }; |
14378 | |
14379 | // Iteration variable SourceLocations. |
14380 | SourceLocation OrigVarLoc = OrigVar->getExprLoc(); |
14381 | SourceLocation OrigVarLocBegin = OrigVar->getBeginLoc(); |
14382 | SourceLocation OrigVarLocEnd = OrigVar->getEndLoc(); |
14383 | |
14384 | // Internal variable names. |
14385 | std::string OrigVarName = OrigVar->getNameInfo().getAsString(); |
14386 | std::string OuterIVName = (Twine(".unrolled.iv.") + OrigVarName).str(); |
14387 | std::string InnerIVName = (Twine(".unroll_inner.iv.") + OrigVarName).str(); |
14388 | std::string InnerTripCountName = |
14389 | (Twine(".unroll_inner.tripcount.") + OrigVarName).str(); |
14390 | |
14391 | // Create the iteration variable for the unrolled loop. |
14392 | VarDecl *OuterIVDecl = |
14393 | buildVarDecl(*this, {}, IVTy, OuterIVName, nullptr, OrigVar); |
14394 | auto MakeOuterRef = [this, OuterIVDecl, IVTy, OrigVarLoc]() { |
14395 | return buildDeclRefExpr(*this, OuterIVDecl, IVTy, OrigVarLoc); |
14396 | }; |
14397 | |
14398 | // Iteration variable for the inner loop: Reuse the iteration variable created |
14399 | // by checkOpenMPLoop. |
14400 | auto *InnerIVDecl = cast<VarDecl>(IterationVarRef->getDecl()); |
14401 | InnerIVDecl->setDeclName(&PP.getIdentifierTable().get(InnerIVName)); |
14402 | auto MakeInnerRef = [this, InnerIVDecl, IVTy, OrigVarLoc]() { |
14403 | return buildDeclRefExpr(*this, InnerIVDecl, IVTy, OrigVarLoc); |
14404 | }; |
14405 | |
14406 | // Make a copy of the NumIterations expression for each use: By the AST |
14407 | // constraints, every expression object in a DeclContext must be unique. |
14408 | CaptureVars CopyTransformer(*this); |
14409 | auto MakeNumIterations = [&CopyTransformer, &LoopHelper]() -> Expr * { |
14410 | return AssertSuccess( |
14411 | CopyTransformer.TransformExpr(LoopHelper.NumIterations)); |
14412 | }; |
14413 | |
14414 | // Inner For init-statement: auto .unroll_inner.iv = .unrolled.iv |
14415 | ExprResult LValueConv = DefaultLvalueConversion(MakeOuterRef()); |
14416 | AddInitializerToDecl(InnerIVDecl, LValueConv.get(), /*DirectInit=*/false); |
14417 | StmtResult InnerInit = new (Context) |
14418 | DeclStmt(DeclGroupRef(InnerIVDecl), OrigVarLocBegin, OrigVarLocEnd); |
14419 | if (!InnerInit.isUsable()) |
14420 | return StmtError(); |
14421 | |
14422 | // Inner For cond-expression: |
14423 | // \code |
14424 | // .unroll_inner.iv < .unrolled.iv + Factor && |
14425 | // .unroll_inner.iv < NumIterations |
14426 | // \endcode |
14427 | // This conjunction of two conditions allows ScalarEvolution to derive the |
14428 | // maximum trip count of the inner loop. |
14429 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14430 | BO_Add, MakeOuterRef(), MakeFactorExpr()); |
14431 | if (!EndOfTile.isUsable()) |
14432 | return StmtError(); |
14433 | ExprResult InnerCond1 = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14434 | BO_LE, MakeInnerRef(), EndOfTile.get()); |
14435 | if (!InnerCond1.isUsable()) |
14436 | return StmtError(); |
14437 | ExprResult InnerCond2 = |
14438 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LE, MakeInnerRef(), |
14439 | MakeNumIterations()); |
14440 | if (!InnerCond2.isUsable()) |
14441 | return StmtError(); |
14442 | ExprResult InnerCond = |
14443 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LAnd, |
14444 | InnerCond1.get(), InnerCond2.get()); |
14445 | if (!InnerCond.isUsable()) |
14446 | return StmtError(); |
14447 | |
14448 | // Inner For incr-statement: ++.unroll_inner.iv |
14449 | ExprResult InnerIncr = BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), |
14450 | UO_PreInc, MakeInnerRef()); |
14451 | if (!InnerIncr.isUsable()) |
14452 | return StmtError(); |
14453 | |
14454 | // Inner For statement. |
14455 | SmallVector<Stmt *> InnerBodyStmts; |
14456 | InnerBodyStmts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); |
14457 | InnerBodyStmts.push_back(Body); |
14458 | CompoundStmt *InnerBody = CompoundStmt::Create( |
14459 | Context, InnerBodyStmts, Body->getBeginLoc(), Body->getEndLoc()); |
14460 | ForStmt *InnerFor = new (Context) |
14461 | ForStmt(Context, InnerInit.get(), InnerCond.get(), nullptr, |
14462 | InnerIncr.get(), InnerBody, LoopHelper.Init->getBeginLoc(), |
14463 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
14464 | |
14465 | // Unroll metadata for the inner loop. |
14466 | // This needs to take into account the remainder portion of the unrolled loop, |
14467 | // hence `unroll(full)` does not apply here, even though the LoopUnroll pass |
14468 | // supports multiple loop exits. Instead, unroll using a factor equivalent to |
14469 | // the maximum trip count, which will also generate a remainder loop. Just |
14470 | // `unroll(enable)` (which could have been useful if the user has not |
14471 | // specified a concrete factor; even though the outer loop cannot be |
14472 | // influenced anymore, would avoid more code bloat than necessary) will refuse |
14473 | // the loop because "Won't unroll; remainder loop could not be generated when |
14474 | // assuming runtime trip count". Even if it did work, it must not choose a |
14475 | // larger unroll factor than the maximum loop length, or it would always just |
14476 | // execute the remainder loop. |
14477 | LoopHintAttr *UnrollHintAttr = |
14478 | LoopHintAttr::CreateImplicit(Context, LoopHintAttr::UnrollCount, |
14479 | LoopHintAttr::Numeric, MakeFactorExpr()); |
14480 | AttributedStmt *InnerUnrolled = |
14481 | AttributedStmt::Create(Context, StartLoc, {UnrollHintAttr}, InnerFor); |
14482 | |
14483 | // Outer For init-statement: auto .unrolled.iv = 0 |
14484 | AddInitializerToDecl( |
14485 | OuterIVDecl, ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), |
14486 | /*DirectInit=*/false); |
14487 | StmtResult OuterInit = new (Context) |
14488 | DeclStmt(DeclGroupRef(OuterIVDecl), OrigVarLocBegin, OrigVarLocEnd); |
14489 | if (!OuterInit.isUsable()) |
14490 | return StmtError(); |
14491 | |
14492 | // Outer For cond-expression: .unrolled.iv < NumIterations |
14493 | ExprResult OuterConde = |
14494 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, MakeOuterRef(), |
14495 | MakeNumIterations()); |
14496 | if (!OuterConde.isUsable()) |
14497 | return StmtError(); |
14498 | |
14499 | // Outer For incr-statement: .unrolled.iv += Factor |
14500 | ExprResult OuterIncr = |
14501 | BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), BO_AddAssign, |
14502 | MakeOuterRef(), MakeFactorExpr()); |
14503 | if (!OuterIncr.isUsable()) |
14504 | return StmtError(); |
14505 | |
14506 | // Outer For statement. |
14507 | ForStmt *OuterFor = new (Context) |
14508 | ForStmt(Context, OuterInit.get(), OuterConde.get(), nullptr, |
14509 | OuterIncr.get(), InnerUnrolled, LoopHelper.Init->getBeginLoc(), |
14510 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
14511 | |
14512 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
14513 | NumGeneratedLoops, OuterFor, |
14514 | buildPreInits(Context, PreInits)); |
14515 | } |
14516 | |
14517 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, |
14518 | SourceLocation StartLoc, |
14519 | SourceLocation LParenLoc, |
14520 | SourceLocation EndLoc) { |
14521 | OMPClause *Res = nullptr; |
14522 | switch (Kind) { |
14523 | case OMPC_final: |
14524 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); |
14525 | break; |
14526 | case OMPC_num_threads: |
14527 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); |
14528 | break; |
14529 | case OMPC_safelen: |
14530 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); |
14531 | break; |
14532 | case OMPC_simdlen: |
14533 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); |
14534 | break; |
14535 | case OMPC_allocator: |
14536 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); |
14537 | break; |
14538 | case OMPC_collapse: |
14539 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); |
14540 | break; |
14541 | case OMPC_ordered: |
14542 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); |
14543 | break; |
14544 | case OMPC_num_teams: |
14545 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); |
14546 | break; |
14547 | case OMPC_thread_limit: |
14548 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); |
14549 | break; |
14550 | case OMPC_priority: |
14551 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); |
14552 | break; |
14553 | case OMPC_grainsize: |
14554 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); |
14555 | break; |
14556 | case OMPC_num_tasks: |
14557 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); |
14558 | break; |
14559 | case OMPC_hint: |
14560 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); |
14561 | break; |
14562 | case OMPC_depobj: |
14563 | Res = ActOnOpenMPDepobjClause(Expr, StartLoc, LParenLoc, EndLoc); |
14564 | break; |
14565 | case OMPC_detach: |
14566 | Res = ActOnOpenMPDetachClause(Expr, StartLoc, LParenLoc, EndLoc); |
14567 | break; |
14568 | case OMPC_novariants: |
14569 | Res = ActOnOpenMPNovariantsClause(Expr, StartLoc, LParenLoc, EndLoc); |
14570 | break; |
14571 | case OMPC_nocontext: |
14572 | Res = ActOnOpenMPNocontextClause(Expr, StartLoc, LParenLoc, EndLoc); |
14573 | break; |
14574 | case OMPC_filter: |
14575 | Res = ActOnOpenMPFilterClause(Expr, StartLoc, LParenLoc, EndLoc); |
14576 | break; |
14577 | case OMPC_partial: |
14578 | Res = ActOnOpenMPPartialClause(Expr, StartLoc, LParenLoc, EndLoc); |
14579 | break; |
14580 | case OMPC_align: |
14581 | Res = ActOnOpenMPAlignClause(Expr, StartLoc, LParenLoc, EndLoc); |
14582 | break; |
14583 | case OMPC_device: |
14584 | case OMPC_if: |
14585 | case OMPC_default: |
14586 | case OMPC_proc_bind: |
14587 | case OMPC_schedule: |
14588 | case OMPC_private: |
14589 | case OMPC_firstprivate: |
14590 | case OMPC_lastprivate: |
14591 | case OMPC_shared: |
14592 | case OMPC_reduction: |
14593 | case OMPC_task_reduction: |
14594 | case OMPC_in_reduction: |
14595 | case OMPC_linear: |
14596 | case OMPC_aligned: |
14597 | case OMPC_copyin: |
14598 | case OMPC_copyprivate: |
14599 | case OMPC_nowait: |
14600 | case OMPC_untied: |
14601 | case OMPC_mergeable: |
14602 | case OMPC_threadprivate: |
14603 | case OMPC_sizes: |
14604 | case OMPC_allocate: |
14605 | case OMPC_flush: |
14606 | case OMPC_read: |
14607 | case OMPC_write: |
14608 | case OMPC_update: |
14609 | case OMPC_capture: |
14610 | case OMPC_compare: |
14611 | case OMPC_seq_cst: |
14612 | case OMPC_acq_rel: |
14613 | case OMPC_acquire: |
14614 | case OMPC_release: |
14615 | case OMPC_relaxed: |
14616 | case OMPC_depend: |
14617 | case OMPC_threads: |
14618 | case OMPC_simd: |
14619 | case OMPC_map: |
14620 | case OMPC_nogroup: |
14621 | case OMPC_dist_schedule: |
14622 | case OMPC_defaultmap: |
14623 | case OMPC_unknown: |
14624 | case OMPC_uniform: |
14625 | case OMPC_to: |
14626 | case OMPC_from: |
14627 | case OMPC_use_device_ptr: |
14628 | case OMPC_use_device_addr: |
14629 | case OMPC_is_device_ptr: |
14630 | case OMPC_unified_address: |
14631 | case OMPC_unified_shared_memory: |
14632 | case OMPC_reverse_offload: |
14633 | case OMPC_dynamic_allocators: |
14634 | case OMPC_atomic_default_mem_order: |
14635 | case OMPC_device_type: |
14636 | case OMPC_match: |
14637 | case OMPC_nontemporal: |
14638 | case OMPC_order: |
14639 | case OMPC_destroy: |
14640 | case OMPC_inclusive: |
14641 | case OMPC_exclusive: |
14642 | case OMPC_uses_allocators: |
14643 | case OMPC_affinity: |
14644 | case OMPC_when: |
14645 | case OMPC_bind: |
14646 | default: |
14647 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 14647); |
14648 | } |
14649 | return Res; |
14650 | } |
14651 | |
14652 | // An OpenMP directive such as 'target parallel' has two captured regions: |
14653 | // for the 'target' and 'parallel' respectively. This function returns |
14654 | // the region in which to capture expressions associated with a clause. |
14655 | // A return value of OMPD_unknown signifies that the expression should not |
14656 | // be captured. |
14657 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( |
14658 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, unsigned OpenMPVersion, |
14659 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { |
14660 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
14661 | switch (CKind) { |
14662 | case OMPC_if: |
14663 | switch (DKind) { |
14664 | case OMPD_target_parallel_for_simd: |
14665 | if (OpenMPVersion >= 50 && |
14666 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
14667 | CaptureRegion = OMPD_parallel; |
14668 | break; |
14669 | } |
14670 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
14671 | case OMPD_target_parallel: |
14672 | case OMPD_target_parallel_for: |
14673 | case OMPD_target_parallel_loop: |
14674 | // If this clause applies to the nested 'parallel' region, capture within |
14675 | // the 'target' region, otherwise do not capture. |
14676 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) |
14677 | CaptureRegion = OMPD_target; |
14678 | break; |
14679 | case OMPD_target_teams_distribute_parallel_for_simd: |
14680 | if (OpenMPVersion >= 50 && |
14681 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
14682 | CaptureRegion = OMPD_parallel; |
14683 | break; |
14684 | } |
14685 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
14686 | case OMPD_target_teams_distribute_parallel_for: |
14687 | // If this clause applies to the nested 'parallel' region, capture within |
14688 | // the 'teams' region, otherwise do not capture. |
14689 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) |
14690 | CaptureRegion = OMPD_teams; |
14691 | break; |
14692 | case OMPD_teams_distribute_parallel_for_simd: |
14693 | if (OpenMPVersion >= 50 && |
14694 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
14695 | CaptureRegion = OMPD_parallel; |
14696 | break; |
14697 | } |
14698 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
14699 | case OMPD_teams_distribute_parallel_for: |
14700 | CaptureRegion = OMPD_teams; |
14701 | break; |
14702 | case OMPD_target_update: |
14703 | case OMPD_target_enter_data: |
14704 | case OMPD_target_exit_data: |
14705 | CaptureRegion = OMPD_task; |
14706 | break; |
14707 | case OMPD_parallel_master_taskloop: |
14708 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) |
14709 | CaptureRegion = OMPD_parallel; |
14710 | break; |
14711 | case OMPD_parallel_master_taskloop_simd: |
14712 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || |
14713 | NameModifier == OMPD_taskloop) { |
14714 | CaptureRegion = OMPD_parallel; |
14715 | break; |
14716 | } |
14717 | if (OpenMPVersion <= 45) |
14718 | break; |
14719 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
14720 | CaptureRegion = OMPD_taskloop; |
14721 | break; |
14722 | case OMPD_parallel_for_simd: |
14723 | if (OpenMPVersion <= 45) |
14724 | break; |
14725 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
14726 | CaptureRegion = OMPD_parallel; |
14727 | break; |
14728 | case OMPD_taskloop_simd: |
14729 | case OMPD_master_taskloop_simd: |
14730 | if (OpenMPVersion <= 45) |
14731 | break; |
14732 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
14733 | CaptureRegion = OMPD_taskloop; |
14734 | break; |
14735 | case OMPD_distribute_parallel_for_simd: |
14736 | if (OpenMPVersion <= 45) |
14737 | break; |
14738 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
14739 | CaptureRegion = OMPD_parallel; |
14740 | break; |
14741 | case OMPD_target_simd: |
14742 | if (OpenMPVersion >= 50 && |
14743 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) |
14744 | CaptureRegion = OMPD_target; |
14745 | break; |
14746 | case OMPD_teams_distribute_simd: |
14747 | case OMPD_target_teams_distribute_simd: |
14748 | if (OpenMPVersion >= 50 && |
14749 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) |
14750 | CaptureRegion = OMPD_teams; |
14751 | break; |
14752 | case OMPD_cancel: |
14753 | case OMPD_parallel: |
14754 | case OMPD_parallel_master: |
14755 | case OMPD_parallel_sections: |
14756 | case OMPD_parallel_for: |
14757 | case OMPD_parallel_loop: |
14758 | case OMPD_target: |
14759 | case OMPD_target_teams: |
14760 | case OMPD_target_teams_distribute: |
14761 | case OMPD_target_teams_loop: |
14762 | case OMPD_distribute_parallel_for: |
14763 | case OMPD_task: |
14764 | case OMPD_taskloop: |
14765 | case OMPD_master_taskloop: |
14766 | case OMPD_target_data: |
14767 | case OMPD_simd: |
14768 | case OMPD_for_simd: |
14769 | case OMPD_distribute_simd: |
14770 | // Do not capture if-clause expressions. |
14771 | break; |
14772 | case OMPD_threadprivate: |
14773 | case OMPD_allocate: |
14774 | case OMPD_taskyield: |
14775 | case OMPD_barrier: |
14776 | case OMPD_taskwait: |
14777 | case OMPD_cancellation_point: |
14778 | case OMPD_flush: |
14779 | case OMPD_depobj: |
14780 | case OMPD_scan: |
14781 | case OMPD_declare_reduction: |
14782 | case OMPD_declare_mapper: |
14783 | case OMPD_declare_simd: |
14784 | case OMPD_declare_variant: |
14785 | case OMPD_begin_declare_variant: |
14786 | case OMPD_end_declare_variant: |
14787 | case OMPD_declare_target: |
14788 | case OMPD_end_declare_target: |
14789 | case OMPD_loop: |
14790 | case OMPD_teams_loop: |
14791 | case OMPD_teams: |
14792 | case OMPD_tile: |
14793 | case OMPD_unroll: |
14794 | case OMPD_for: |
14795 | case OMPD_sections: |
14796 | case OMPD_section: |
14797 | case OMPD_single: |
14798 | case OMPD_master: |
14799 | case OMPD_masked: |
14800 | case OMPD_critical: |
14801 | case OMPD_taskgroup: |
14802 | case OMPD_distribute: |
14803 | case OMPD_ordered: |
14804 | case OMPD_atomic: |
14805 | case OMPD_teams_distribute: |
14806 | case OMPD_requires: |
14807 | case OMPD_metadirective: |
14808 | llvm_unreachable("Unexpected OpenMP directive with if-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with if-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 14808); |
14809 | case OMPD_unknown: |
14810 | default: |
14811 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 14811); |
14812 | } |
14813 | break; |
14814 | case OMPC_num_threads: |
14815 | switch (DKind) { |
14816 | case OMPD_target_parallel: |
14817 | case OMPD_target_parallel_for: |
14818 | case OMPD_target_parallel_for_simd: |
14819 | case OMPD_target_parallel_loop: |
14820 | CaptureRegion = OMPD_target; |
14821 | break; |
14822 | case OMPD_teams_distribute_parallel_for: |
14823 | case OMPD_teams_distribute_parallel_for_simd: |
14824 | case OMPD_target_teams_distribute_parallel_for: |
14825 | case OMPD_target_teams_distribute_parallel_for_simd: |
14826 | CaptureRegion = OMPD_teams; |
14827 | break; |
14828 | case OMPD_parallel: |
14829 | case OMPD_parallel_master: |
14830 | case OMPD_parallel_sections: |
14831 | case OMPD_parallel_for: |
14832 | case OMPD_parallel_for_simd: |
14833 | case OMPD_parallel_loop: |
14834 | case OMPD_distribute_parallel_for: |
14835 | case OMPD_distribute_parallel_for_simd: |
14836 | case OMPD_parallel_master_taskloop: |
14837 | case OMPD_parallel_master_taskloop_simd: |
14838 | // Do not capture num_threads-clause expressions. |
14839 | break; |
14840 | case OMPD_target_data: |
14841 | case OMPD_target_enter_data: |
14842 | case OMPD_target_exit_data: |
14843 | case OMPD_target_update: |
14844 | case OMPD_target: |
14845 | case OMPD_target_simd: |
14846 | case OMPD_target_teams: |
14847 | case OMPD_target_teams_distribute: |
14848 | case OMPD_target_teams_distribute_simd: |
14849 | case OMPD_cancel: |
14850 | case OMPD_task: |
14851 | case OMPD_taskloop: |
14852 | case OMPD_taskloop_simd: |
14853 | case OMPD_master_taskloop: |
14854 | case OMPD_master_taskloop_simd: |
14855 | case OMPD_threadprivate: |
14856 | case OMPD_allocate: |
14857 | case OMPD_taskyield: |
14858 | case OMPD_barrier: |
14859 | case OMPD_taskwait: |
14860 | case OMPD_cancellation_point: |
14861 | case OMPD_flush: |
14862 | case OMPD_depobj: |
14863 | case OMPD_scan: |
14864 | case OMPD_declare_reduction: |
14865 | case OMPD_declare_mapper: |
14866 | case OMPD_declare_simd: |
14867 | case OMPD_declare_variant: |
14868 | case OMPD_begin_declare_variant: |
14869 | case OMPD_end_declare_variant: |
14870 | case OMPD_declare_target: |
14871 | case OMPD_end_declare_target: |
14872 | case OMPD_loop: |
14873 | case OMPD_teams_loop: |
14874 | case OMPD_target_teams_loop: |
14875 | case OMPD_teams: |
14876 | case OMPD_simd: |
14877 | case OMPD_tile: |
14878 | case OMPD_unroll: |
14879 | case OMPD_for: |
14880 | case OMPD_for_simd: |
14881 | case OMPD_sections: |
14882 | case OMPD_section: |
14883 | case OMPD_single: |
14884 | case OMPD_master: |
14885 | case OMPD_masked: |
14886 | case OMPD_critical: |
14887 | case OMPD_taskgroup: |
14888 | case OMPD_distribute: |
14889 | case OMPD_ordered: |
14890 | case OMPD_atomic: |
14891 | case OMPD_distribute_simd: |
14892 | case OMPD_teams_distribute: |
14893 | case OMPD_teams_distribute_simd: |
14894 | case OMPD_requires: |
14895 | case OMPD_metadirective: |
14896 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_threads-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 14896); |
14897 | case OMPD_unknown: |
14898 | default: |
14899 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 14899); |
14900 | } |
14901 | break; |
14902 | case OMPC_num_teams: |
14903 | switch (DKind) { |
14904 | case OMPD_target_teams: |
14905 | case OMPD_target_teams_distribute: |
14906 | case OMPD_target_teams_distribute_simd: |
14907 | case OMPD_target_teams_distribute_parallel_for: |
14908 | case OMPD_target_teams_distribute_parallel_for_simd: |
14909 | case OMPD_target_teams_loop: |
14910 | CaptureRegion = OMPD_target; |
14911 | break; |
14912 | case OMPD_teams_distribute_parallel_for: |
14913 | case OMPD_teams_distribute_parallel_for_simd: |
14914 | case OMPD_teams: |
14915 | case OMPD_teams_distribute: |
14916 | case OMPD_teams_distribute_simd: |
14917 | case OMPD_teams_loop: |
14918 | // Do not capture num_teams-clause expressions. |
14919 | break; |
14920 | case OMPD_distribute_parallel_for: |
14921 | case OMPD_distribute_parallel_for_simd: |
14922 | case OMPD_task: |
14923 | case OMPD_taskloop: |
14924 | case OMPD_taskloop_simd: |
14925 | case OMPD_master_taskloop: |
14926 | case OMPD_master_taskloop_simd: |
14927 | case OMPD_parallel_master_taskloop: |
14928 | case OMPD_parallel_master_taskloop_simd: |
14929 | case OMPD_target_data: |
14930 | case OMPD_target_enter_data: |
14931 | case OMPD_target_exit_data: |
14932 | case OMPD_target_update: |
14933 | case OMPD_cancel: |
14934 | case OMPD_parallel: |
14935 | case OMPD_parallel_master: |
14936 | case OMPD_parallel_sections: |
14937 | case OMPD_parallel_for: |
14938 | case OMPD_parallel_for_simd: |
14939 | case OMPD_parallel_loop: |
14940 | case OMPD_target: |
14941 | case OMPD_target_simd: |
14942 | case OMPD_target_parallel: |
14943 | case OMPD_target_parallel_for: |
14944 | case OMPD_target_parallel_for_simd: |
14945 | case OMPD_target_parallel_loop: |
14946 | case OMPD_threadprivate: |
14947 | case OMPD_allocate: |
14948 | case OMPD_taskyield: |
14949 | case OMPD_barrier: |
14950 | case OMPD_taskwait: |
14951 | case OMPD_cancellation_point: |
14952 | case OMPD_flush: |
14953 | case OMPD_depobj: |
14954 | case OMPD_scan: |
14955 | case OMPD_declare_reduction: |
14956 | case OMPD_declare_mapper: |
14957 | case OMPD_declare_simd: |
14958 | case OMPD_declare_variant: |
14959 | case OMPD_begin_declare_variant: |
14960 | case OMPD_end_declare_variant: |
14961 | case OMPD_declare_target: |
14962 | case OMPD_end_declare_target: |
14963 | case OMPD_loop: |
14964 | case OMPD_simd: |
14965 | case OMPD_tile: |
14966 | case OMPD_unroll: |
14967 | case OMPD_for: |
14968 | case OMPD_for_simd: |
14969 | case OMPD_sections: |
14970 | case OMPD_section: |
14971 | case OMPD_single: |
14972 | case OMPD_master: |
14973 | case OMPD_masked: |
14974 | case OMPD_critical: |
14975 | case OMPD_taskgroup: |
14976 | case OMPD_distribute: |
14977 | case OMPD_ordered: |
14978 | case OMPD_atomic: |
14979 | case OMPD_distribute_simd: |
14980 | case OMPD_requires: |
14981 | case OMPD_metadirective: |
14982 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 14982); |
14983 | case OMPD_unknown: |
14984 | default: |
14985 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 14985); |
14986 | } |
14987 | break; |
14988 | case OMPC_thread_limit: |
14989 | switch (DKind) { |
14990 | case OMPD_target_teams: |
14991 | case OMPD_target_teams_distribute: |
14992 | case OMPD_target_teams_distribute_simd: |
14993 | case OMPD_target_teams_distribute_parallel_for: |
14994 | case OMPD_target_teams_distribute_parallel_for_simd: |
14995 | case OMPD_target_teams_loop: |
14996 | CaptureRegion = OMPD_target; |
14997 | break; |
14998 | case OMPD_teams_distribute_parallel_for: |
14999 | case OMPD_teams_distribute_parallel_for_simd: |
15000 | case OMPD_teams: |
15001 | case OMPD_teams_distribute: |
15002 | case OMPD_teams_distribute_simd: |
15003 | case OMPD_teams_loop: |
15004 | // Do not capture thread_limit-clause expressions. |
15005 | break; |
15006 | case OMPD_distribute_parallel_for: |
15007 | case OMPD_distribute_parallel_for_simd: |
15008 | case OMPD_task: |
15009 | case OMPD_taskloop: |
15010 | case OMPD_taskloop_simd: |
15011 | case OMPD_master_taskloop: |
15012 | case OMPD_master_taskloop_simd: |
15013 | case OMPD_parallel_master_taskloop: |
15014 | case OMPD_parallel_master_taskloop_simd: |
15015 | case OMPD_target_data: |
15016 | case OMPD_target_enter_data: |
15017 | case OMPD_target_exit_data: |
15018 | case OMPD_target_update: |
15019 | case OMPD_cancel: |
15020 | case OMPD_parallel: |
15021 | case OMPD_parallel_master: |
15022 | case OMPD_parallel_sections: |
15023 | case OMPD_parallel_for: |
15024 | case OMPD_parallel_for_simd: |
15025 | case OMPD_parallel_loop: |
15026 | case OMPD_target: |
15027 | case OMPD_target_simd: |
15028 | case OMPD_target_parallel: |
15029 | case OMPD_target_parallel_for: |
15030 | case OMPD_target_parallel_for_simd: |
15031 | case OMPD_target_parallel_loop: |
15032 | case OMPD_threadprivate: |
15033 | case OMPD_allocate: |
15034 | case OMPD_taskyield: |
15035 | case OMPD_barrier: |
15036 | case OMPD_taskwait: |
15037 | case OMPD_cancellation_point: |
15038 | case OMPD_flush: |
15039 | case OMPD_depobj: |
15040 | case OMPD_scan: |
15041 | case OMPD_declare_reduction: |
15042 | case OMPD_declare_mapper: |
15043 | case OMPD_declare_simd: |
15044 | case OMPD_declare_variant: |
15045 | case OMPD_begin_declare_variant: |
15046 | case OMPD_end_declare_variant: |
15047 | case OMPD_declare_target: |
15048 | case OMPD_end_declare_target: |
15049 | case OMPD_loop: |
15050 | case OMPD_simd: |
15051 | case OMPD_tile: |
15052 | case OMPD_unroll: |
15053 | case OMPD_for: |
15054 | case OMPD_for_simd: |
15055 | case OMPD_sections: |
15056 | case OMPD_section: |
15057 | case OMPD_single: |
15058 | case OMPD_master: |
15059 | case OMPD_masked: |
15060 | case OMPD_critical: |
15061 | case OMPD_taskgroup: |
15062 | case OMPD_distribute: |
15063 | case OMPD_ordered: |
15064 | case OMPD_atomic: |
15065 | case OMPD_distribute_simd: |
15066 | case OMPD_requires: |
15067 | case OMPD_metadirective: |
15068 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with thread_limit-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15068); |
15069 | case OMPD_unknown: |
15070 | default: |
15071 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15071); |
15072 | } |
15073 | break; |
15074 | case OMPC_schedule: |
15075 | switch (DKind) { |
15076 | case OMPD_parallel_for: |
15077 | case OMPD_parallel_for_simd: |
15078 | case OMPD_distribute_parallel_for: |
15079 | case OMPD_distribute_parallel_for_simd: |
15080 | case OMPD_teams_distribute_parallel_for: |
15081 | case OMPD_teams_distribute_parallel_for_simd: |
15082 | case OMPD_target_parallel_for: |
15083 | case OMPD_target_parallel_for_simd: |
15084 | case OMPD_target_teams_distribute_parallel_for: |
15085 | case OMPD_target_teams_distribute_parallel_for_simd: |
15086 | CaptureRegion = OMPD_parallel; |
15087 | break; |
15088 | case OMPD_for: |
15089 | case OMPD_for_simd: |
15090 | // Do not capture schedule-clause expressions. |
15091 | break; |
15092 | case OMPD_task: |
15093 | case OMPD_taskloop: |
15094 | case OMPD_taskloop_simd: |
15095 | case OMPD_master_taskloop: |
15096 | case OMPD_master_taskloop_simd: |
15097 | case OMPD_parallel_master_taskloop: |
15098 | case OMPD_parallel_master_taskloop_simd: |
15099 | case OMPD_target_data: |
15100 | case OMPD_target_enter_data: |
15101 | case OMPD_target_exit_data: |
15102 | case OMPD_target_update: |
15103 | case OMPD_teams: |
15104 | case OMPD_teams_distribute: |
15105 | case OMPD_teams_distribute_simd: |
15106 | case OMPD_target_teams_distribute: |
15107 | case OMPD_target_teams_distribute_simd: |
15108 | case OMPD_target: |
15109 | case OMPD_target_simd: |
15110 | case OMPD_target_parallel: |
15111 | case OMPD_cancel: |
15112 | case OMPD_parallel: |
15113 | case OMPD_parallel_master: |
15114 | case OMPD_parallel_sections: |
15115 | case OMPD_threadprivate: |
15116 | case OMPD_allocate: |
15117 | case OMPD_taskyield: |
15118 | case OMPD_barrier: |
15119 | case OMPD_taskwait: |
15120 | case OMPD_cancellation_point: |
15121 | case OMPD_flush: |
15122 | case OMPD_depobj: |
15123 | case OMPD_scan: |
15124 | case OMPD_declare_reduction: |
15125 | case OMPD_declare_mapper: |
15126 | case OMPD_declare_simd: |
15127 | case OMPD_declare_variant: |
15128 | case OMPD_begin_declare_variant: |
15129 | case OMPD_end_declare_variant: |
15130 | case OMPD_declare_target: |
15131 | case OMPD_end_declare_target: |
15132 | case OMPD_loop: |
15133 | case OMPD_teams_loop: |
15134 | case OMPD_target_teams_loop: |
15135 | case OMPD_parallel_loop: |
15136 | case OMPD_target_parallel_loop: |
15137 | case OMPD_simd: |
15138 | case OMPD_tile: |
15139 | case OMPD_unroll: |
15140 | case OMPD_sections: |
15141 | case OMPD_section: |
15142 | case OMPD_single: |
15143 | case OMPD_master: |
15144 | case OMPD_masked: |
15145 | case OMPD_critical: |
15146 | case OMPD_taskgroup: |
15147 | case OMPD_distribute: |
15148 | case OMPD_ordered: |
15149 | case OMPD_atomic: |
15150 | case OMPD_distribute_simd: |
15151 | case OMPD_target_teams: |
15152 | case OMPD_requires: |
15153 | case OMPD_metadirective: |
15154 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15154); |
15155 | case OMPD_unknown: |
15156 | default: |
15157 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15157); |
15158 | } |
15159 | break; |
15160 | case OMPC_dist_schedule: |
15161 | switch (DKind) { |
15162 | case OMPD_teams_distribute_parallel_for: |
15163 | case OMPD_teams_distribute_parallel_for_simd: |
15164 | case OMPD_teams_distribute: |
15165 | case OMPD_teams_distribute_simd: |
15166 | case OMPD_target_teams_distribute_parallel_for: |
15167 | case OMPD_target_teams_distribute_parallel_for_simd: |
15168 | case OMPD_target_teams_distribute: |
15169 | case OMPD_target_teams_distribute_simd: |
15170 | CaptureRegion = OMPD_teams; |
15171 | break; |
15172 | case OMPD_distribute_parallel_for: |
15173 | case OMPD_distribute_parallel_for_simd: |
15174 | case OMPD_distribute: |
15175 | case OMPD_distribute_simd: |
15176 | // Do not capture dist_schedule-clause expressions. |
15177 | break; |
15178 | case OMPD_parallel_for: |
15179 | case OMPD_parallel_for_simd: |
15180 | case OMPD_target_parallel_for_simd: |
15181 | case OMPD_target_parallel_for: |
15182 | case OMPD_task: |
15183 | case OMPD_taskloop: |
15184 | case OMPD_taskloop_simd: |
15185 | case OMPD_master_taskloop: |
15186 | case OMPD_master_taskloop_simd: |
15187 | case OMPD_parallel_master_taskloop: |
15188 | case OMPD_parallel_master_taskloop_simd: |
15189 | case OMPD_target_data: |
15190 | case OMPD_target_enter_data: |
15191 | case OMPD_target_exit_data: |
15192 | case OMPD_target_update: |
15193 | case OMPD_teams: |
15194 | case OMPD_target: |
15195 | case OMPD_target_simd: |
15196 | case OMPD_target_parallel: |
15197 | case OMPD_cancel: |
15198 | case OMPD_parallel: |
15199 | case OMPD_parallel_master: |
15200 | case OMPD_parallel_sections: |
15201 | case OMPD_threadprivate: |
15202 | case OMPD_allocate: |
15203 | case OMPD_taskyield: |
15204 | case OMPD_barrier: |
15205 | case OMPD_taskwait: |
15206 | case OMPD_cancellation_point: |
15207 | case OMPD_flush: |
15208 | case OMPD_depobj: |
15209 | case OMPD_scan: |
15210 | case OMPD_declare_reduction: |
15211 | case OMPD_declare_mapper: |
15212 | case OMPD_declare_simd: |
15213 | case OMPD_declare_variant: |
15214 | case OMPD_begin_declare_variant: |
15215 | case OMPD_end_declare_variant: |
15216 | case OMPD_declare_target: |
15217 | case OMPD_end_declare_target: |
15218 | case OMPD_loop: |
15219 | case OMPD_teams_loop: |
15220 | case OMPD_target_teams_loop: |
15221 | case OMPD_parallel_loop: |
15222 | case OMPD_target_parallel_loop: |
15223 | case OMPD_simd: |
15224 | case OMPD_tile: |
15225 | case OMPD_unroll: |
15226 | case OMPD_for: |
15227 | case OMPD_for_simd: |
15228 | case OMPD_sections: |
15229 | case OMPD_section: |
15230 | case OMPD_single: |
15231 | case OMPD_master: |
15232 | case OMPD_masked: |
15233 | case OMPD_critical: |
15234 | case OMPD_taskgroup: |
15235 | case OMPD_ordered: |
15236 | case OMPD_atomic: |
15237 | case OMPD_target_teams: |
15238 | case OMPD_requires: |
15239 | case OMPD_metadirective: |
15240 | llvm_unreachable("Unexpected OpenMP directive with dist_schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with dist_schedule clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15240); |
15241 | case OMPD_unknown: |
15242 | default: |
15243 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15243); |
15244 | } |
15245 | break; |
15246 | case OMPC_device: |
15247 | switch (DKind) { |
15248 | case OMPD_target_update: |
15249 | case OMPD_target_enter_data: |
15250 | case OMPD_target_exit_data: |
15251 | case OMPD_target: |
15252 | case OMPD_target_simd: |
15253 | case OMPD_target_teams: |
15254 | case OMPD_target_parallel: |
15255 | case OMPD_target_teams_distribute: |
15256 | case OMPD_target_teams_distribute_simd: |
15257 | case OMPD_target_parallel_for: |
15258 | case OMPD_target_parallel_for_simd: |
15259 | case OMPD_target_parallel_loop: |
15260 | case OMPD_target_teams_distribute_parallel_for: |
15261 | case OMPD_target_teams_distribute_parallel_for_simd: |
15262 | case OMPD_target_teams_loop: |
15263 | case OMPD_dispatch: |
15264 | CaptureRegion = OMPD_task; |
15265 | break; |
15266 | case OMPD_target_data: |
15267 | case OMPD_interop: |
15268 | // Do not capture device-clause expressions. |
15269 | break; |
15270 | case OMPD_teams_distribute_parallel_for: |
15271 | case OMPD_teams_distribute_parallel_for_simd: |
15272 | case OMPD_teams: |
15273 | case OMPD_teams_distribute: |
15274 | case OMPD_teams_distribute_simd: |
15275 | case OMPD_distribute_parallel_for: |
15276 | case OMPD_distribute_parallel_for_simd: |
15277 | case OMPD_task: |
15278 | case OMPD_taskloop: |
15279 | case OMPD_taskloop_simd: |
15280 | case OMPD_master_taskloop: |
15281 | case OMPD_master_taskloop_simd: |
15282 | case OMPD_parallel_master_taskloop: |
15283 | case OMPD_parallel_master_taskloop_simd: |
15284 | case OMPD_cancel: |
15285 | case OMPD_parallel: |
15286 | case OMPD_parallel_master: |
15287 | case OMPD_parallel_sections: |
15288 | case OMPD_parallel_for: |
15289 | case OMPD_parallel_for_simd: |
15290 | case OMPD_threadprivate: |
15291 | case OMPD_allocate: |
15292 | case OMPD_taskyield: |
15293 | case OMPD_barrier: |
15294 | case OMPD_taskwait: |
15295 | case OMPD_cancellation_point: |
15296 | case OMPD_flush: |
15297 | case OMPD_depobj: |
15298 | case OMPD_scan: |
15299 | case OMPD_declare_reduction: |
15300 | case OMPD_declare_mapper: |
15301 | case OMPD_declare_simd: |
15302 | case OMPD_declare_variant: |
15303 | case OMPD_begin_declare_variant: |
15304 | case OMPD_end_declare_variant: |
15305 | case OMPD_declare_target: |
15306 | case OMPD_end_declare_target: |
15307 | case OMPD_loop: |
15308 | case OMPD_teams_loop: |
15309 | case OMPD_parallel_loop: |
15310 | case OMPD_simd: |
15311 | case OMPD_tile: |
15312 | case OMPD_unroll: |
15313 | case OMPD_for: |
15314 | case OMPD_for_simd: |
15315 | case OMPD_sections: |
15316 | case OMPD_section: |
15317 | case OMPD_single: |
15318 | case OMPD_master: |
15319 | case OMPD_masked: |
15320 | case OMPD_critical: |
15321 | case OMPD_taskgroup: |
15322 | case OMPD_distribute: |
15323 | case OMPD_ordered: |
15324 | case OMPD_atomic: |
15325 | case OMPD_distribute_simd: |
15326 | case OMPD_requires: |
15327 | case OMPD_metadirective: |
15328 | llvm_unreachable("Unexpected OpenMP directive with device-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with device-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15328); |
15329 | case OMPD_unknown: |
15330 | default: |
15331 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15331); |
15332 | } |
15333 | break; |
15334 | case OMPC_grainsize: |
15335 | case OMPC_num_tasks: |
15336 | case OMPC_final: |
15337 | case OMPC_priority: |
15338 | switch (DKind) { |
15339 | case OMPD_task: |
15340 | case OMPD_taskloop: |
15341 | case OMPD_taskloop_simd: |
15342 | case OMPD_master_taskloop: |
15343 | case OMPD_master_taskloop_simd: |
15344 | break; |
15345 | case OMPD_parallel_master_taskloop: |
15346 | case OMPD_parallel_master_taskloop_simd: |
15347 | CaptureRegion = OMPD_parallel; |
15348 | break; |
15349 | case OMPD_target_update: |
15350 | case OMPD_target_enter_data: |
15351 | case OMPD_target_exit_data: |
15352 | case OMPD_target: |
15353 | case OMPD_target_simd: |
15354 | case OMPD_target_teams: |
15355 | case OMPD_target_parallel: |
15356 | case OMPD_target_teams_distribute: |
15357 | case OMPD_target_teams_distribute_simd: |
15358 | case OMPD_target_parallel_for: |
15359 | case OMPD_target_parallel_for_simd: |
15360 | case OMPD_target_teams_distribute_parallel_for: |
15361 | case OMPD_target_teams_distribute_parallel_for_simd: |
15362 | case OMPD_target_data: |
15363 | case OMPD_teams_distribute_parallel_for: |
15364 | case OMPD_teams_distribute_parallel_for_simd: |
15365 | case OMPD_teams: |
15366 | case OMPD_teams_distribute: |
15367 | case OMPD_teams_distribute_simd: |
15368 | case OMPD_distribute_parallel_for: |
15369 | case OMPD_distribute_parallel_for_simd: |
15370 | case OMPD_cancel: |
15371 | case OMPD_parallel: |
15372 | case OMPD_parallel_master: |
15373 | case OMPD_parallel_sections: |
15374 | case OMPD_parallel_for: |
15375 | case OMPD_parallel_for_simd: |
15376 | case OMPD_threadprivate: |
15377 | case OMPD_allocate: |
15378 | case OMPD_taskyield: |
15379 | case OMPD_barrier: |
15380 | case OMPD_taskwait: |
15381 | case OMPD_cancellation_point: |
15382 | case OMPD_flush: |
15383 | case OMPD_depobj: |
15384 | case OMPD_scan: |
15385 | case OMPD_declare_reduction: |
15386 | case OMPD_declare_mapper: |
15387 | case OMPD_declare_simd: |
15388 | case OMPD_declare_variant: |
15389 | case OMPD_begin_declare_variant: |
15390 | case OMPD_end_declare_variant: |
15391 | case OMPD_declare_target: |
15392 | case OMPD_end_declare_target: |
15393 | case OMPD_loop: |
15394 | case OMPD_teams_loop: |
15395 | case OMPD_target_teams_loop: |
15396 | case OMPD_parallel_loop: |
15397 | case OMPD_target_parallel_loop: |
15398 | case OMPD_simd: |
15399 | case OMPD_tile: |
15400 | case OMPD_unroll: |
15401 | case OMPD_for: |
15402 | case OMPD_for_simd: |
15403 | case OMPD_sections: |
15404 | case OMPD_section: |
15405 | case OMPD_single: |
15406 | case OMPD_master: |
15407 | case OMPD_masked: |
15408 | case OMPD_critical: |
15409 | case OMPD_taskgroup: |
15410 | case OMPD_distribute: |
15411 | case OMPD_ordered: |
15412 | case OMPD_atomic: |
15413 | case OMPD_distribute_simd: |
15414 | case OMPD_requires: |
15415 | case OMPD_metadirective: |
15416 | llvm_unreachable("Unexpected OpenMP directive with grainsize-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with grainsize-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15416); |
15417 | case OMPD_unknown: |
15418 | default: |
15419 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15419); |
15420 | } |
15421 | break; |
15422 | case OMPC_novariants: |
15423 | case OMPC_nocontext: |
15424 | switch (DKind) { |
15425 | case OMPD_dispatch: |
15426 | CaptureRegion = OMPD_task; |
15427 | break; |
15428 | default: |
15429 | llvm_unreachable("Unexpected OpenMP directive")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive" , "clang/lib/Sema/SemaOpenMP.cpp", 15429); |
15430 | } |
15431 | break; |
15432 | case OMPC_filter: |
15433 | // Do not capture filter-clause expressions. |
15434 | break; |
15435 | case OMPC_when: |
15436 | if (DKind == OMPD_metadirective) { |
15437 | CaptureRegion = OMPD_metadirective; |
15438 | } else if (DKind == OMPD_unknown) { |
15439 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15439); |
15440 | } else { |
15441 | llvm_unreachable("Unexpected OpenMP directive with when clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with when clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15441); |
15442 | } |
15443 | break; |
15444 | case OMPC_firstprivate: |
15445 | case OMPC_lastprivate: |
15446 | case OMPC_reduction: |
15447 | case OMPC_task_reduction: |
15448 | case OMPC_in_reduction: |
15449 | case OMPC_linear: |
15450 | case OMPC_default: |
15451 | case OMPC_proc_bind: |
15452 | case OMPC_safelen: |
15453 | case OMPC_simdlen: |
15454 | case OMPC_sizes: |
15455 | case OMPC_allocator: |
15456 | case OMPC_collapse: |
15457 | case OMPC_private: |
15458 | case OMPC_shared: |
15459 | case OMPC_aligned: |
15460 | case OMPC_copyin: |
15461 | case OMPC_copyprivate: |
15462 | case OMPC_ordered: |
15463 | case OMPC_nowait: |
15464 | case OMPC_untied: |
15465 | case OMPC_mergeable: |
15466 | case OMPC_threadprivate: |
15467 | case OMPC_allocate: |
15468 | case OMPC_flush: |
15469 | case OMPC_depobj: |
15470 | case OMPC_read: |
15471 | case OMPC_write: |
15472 | case OMPC_update: |
15473 | case OMPC_capture: |
15474 | case OMPC_compare: |
15475 | case OMPC_seq_cst: |
15476 | case OMPC_acq_rel: |
15477 | case OMPC_acquire: |
15478 | case OMPC_release: |
15479 | case OMPC_relaxed: |
15480 | case OMPC_depend: |
15481 | case OMPC_threads: |
15482 | case OMPC_simd: |
15483 | case OMPC_map: |
15484 | case OMPC_nogroup: |
15485 | case OMPC_hint: |
15486 | case OMPC_defaultmap: |
15487 | case OMPC_unknown: |
15488 | case OMPC_uniform: |
15489 | case OMPC_to: |
15490 | case OMPC_from: |
15491 | case OMPC_use_device_ptr: |
15492 | case OMPC_use_device_addr: |
15493 | case OMPC_is_device_ptr: |
15494 | case OMPC_unified_address: |
15495 | case OMPC_unified_shared_memory: |
15496 | case OMPC_reverse_offload: |
15497 | case OMPC_dynamic_allocators: |
15498 | case OMPC_atomic_default_mem_order: |
15499 | case OMPC_device_type: |
15500 | case OMPC_match: |
15501 | case OMPC_nontemporal: |
15502 | case OMPC_order: |
15503 | case OMPC_destroy: |
15504 | case OMPC_detach: |
15505 | case OMPC_inclusive: |
15506 | case OMPC_exclusive: |
15507 | case OMPC_uses_allocators: |
15508 | case OMPC_affinity: |
15509 | case OMPC_bind: |
15510 | default: |
15511 | llvm_unreachable("Unexpected OpenMP clause.")::llvm::llvm_unreachable_internal("Unexpected OpenMP clause." , "clang/lib/Sema/SemaOpenMP.cpp", 15511); |
15512 | } |
15513 | return CaptureRegion; |
15514 | } |
15515 | |
15516 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, |
15517 | Expr *Condition, SourceLocation StartLoc, |
15518 | SourceLocation LParenLoc, |
15519 | SourceLocation NameModifierLoc, |
15520 | SourceLocation ColonLoc, |
15521 | SourceLocation EndLoc) { |
15522 | Expr *ValExpr = Condition; |
15523 | Stmt *HelperValStmt = nullptr; |
15524 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
15525 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
15526 | !Condition->isInstantiationDependent() && |
15527 | !Condition->containsUnexpandedParameterPack()) { |
15528 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
15529 | if (Val.isInvalid()) |
15530 | return nullptr; |
15531 | |
15532 | ValExpr = Val.get(); |
15533 | |
15534 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15535 | CaptureRegion = getOpenMPCaptureRegionForClause( |
15536 | DKind, OMPC_if, LangOpts.OpenMP, NameModifier); |
15537 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
15538 | ValExpr = MakeFullExpr(ValExpr).get(); |
15539 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
15540 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
15541 | HelperValStmt = buildPreInits(Context, Captures); |
15542 | } |
15543 | } |
15544 | |
15545 | return new (Context) |
15546 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, |
15547 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); |
15548 | } |
15549 | |
15550 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, |
15551 | SourceLocation StartLoc, |
15552 | SourceLocation LParenLoc, |
15553 | SourceLocation EndLoc) { |
15554 | Expr *ValExpr = Condition; |
15555 | Stmt *HelperValStmt = nullptr; |
15556 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
15557 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
15558 | !Condition->isInstantiationDependent() && |
15559 | !Condition->containsUnexpandedParameterPack()) { |
15560 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
15561 | if (Val.isInvalid()) |
15562 | return nullptr; |
15563 | |
15564 | ValExpr = MakeFullExpr(Val.get()).get(); |
15565 | |
15566 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15567 | CaptureRegion = |
15568 | getOpenMPCaptureRegionForClause(DKind, OMPC_final, LangOpts.OpenMP); |
15569 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
15570 | ValExpr = MakeFullExpr(ValExpr).get(); |
15571 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
15572 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
15573 | HelperValStmt = buildPreInits(Context, Captures); |
15574 | } |
15575 | } |
15576 | |
15577 | return new (Context) OMPFinalClause(ValExpr, HelperValStmt, CaptureRegion, |
15578 | StartLoc, LParenLoc, EndLoc); |
15579 | } |
15580 | |
15581 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, |
15582 | Expr *Op) { |
15583 | if (!Op) |
15584 | return ExprError(); |
15585 | |
15586 | class IntConvertDiagnoser : public ICEConvertDiagnoser { |
15587 | public: |
15588 | IntConvertDiagnoser() |
15589 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} |
15590 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, |
15591 | QualType T) override { |
15592 | return S.Diag(Loc, diag::err_omp_not_integral) << T; |
15593 | } |
15594 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, |
15595 | QualType T) override { |
15596 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; |
15597 | } |
15598 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, |
15599 | QualType T, |
15600 | QualType ConvTy) override { |
15601 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; |
15602 | } |
15603 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, |
15604 | QualType ConvTy) override { |
15605 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) |
15606 | << ConvTy->isEnumeralType() << ConvTy; |
15607 | } |
15608 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, |
15609 | QualType T) override { |
15610 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; |
15611 | } |
15612 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, |
15613 | QualType ConvTy) override { |
15614 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) |
15615 | << ConvTy->isEnumeralType() << ConvTy; |
15616 | } |
15617 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, |
15618 | QualType) override { |
15619 | llvm_unreachable("conversion functions are permitted")::llvm::llvm_unreachable_internal("conversion functions are permitted" , "clang/lib/Sema/SemaOpenMP.cpp", 15619); |
15620 | } |
15621 | } ConvertDiagnoser; |
15622 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); |
15623 | } |
15624 | |
15625 | static bool |
15626 | isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, |
15627 | bool StrictlyPositive, bool BuildCapture = false, |
15628 | OpenMPDirectiveKind DKind = OMPD_unknown, |
15629 | OpenMPDirectiveKind *CaptureRegion = nullptr, |
15630 | Stmt **HelperValStmt = nullptr) { |
15631 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && |
15632 | !ValExpr->isInstantiationDependent()) { |
15633 | SourceLocation Loc = ValExpr->getExprLoc(); |
15634 | ExprResult Value = |
15635 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); |
15636 | if (Value.isInvalid()) |
15637 | return false; |
15638 | |
15639 | ValExpr = Value.get(); |
15640 | // The expression must evaluate to a non-negative integer value. |
15641 | if (Optional<llvm::APSInt> Result = |
15642 | ValExpr->getIntegerConstantExpr(SemaRef.Context)) { |
15643 | if (Result->isSigned() && |
15644 | !((!StrictlyPositive && Result->isNonNegative()) || |
15645 | (StrictlyPositive && Result->isStrictlyPositive()))) { |
15646 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) |
15647 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) |
15648 | << ValExpr->getSourceRange(); |
15649 | return false; |
15650 | } |
15651 | } |
15652 | if (!BuildCapture) |
15653 | return true; |
15654 | *CaptureRegion = |
15655 | getOpenMPCaptureRegionForClause(DKind, CKind, SemaRef.LangOpts.OpenMP); |
15656 | if (*CaptureRegion != OMPD_unknown && |
15657 | !SemaRef.CurContext->isDependentContext()) { |
15658 | ValExpr = SemaRef.MakeFullExpr(ValExpr).get(); |
15659 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
15660 | ValExpr = tryBuildCapture(SemaRef, ValExpr, Captures).get(); |
15661 | *HelperValStmt = buildPreInits(SemaRef.Context, Captures); |
15662 | } |
15663 | } |
15664 | return true; |
15665 | } |
15666 | |
15667 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, |
15668 | SourceLocation StartLoc, |
15669 | SourceLocation LParenLoc, |
15670 | SourceLocation EndLoc) { |
15671 | Expr *ValExpr = NumThreads; |
15672 | Stmt *HelperValStmt = nullptr; |
15673 | |
15674 | // OpenMP [2.5, Restrictions] |
15675 | // The num_threads expression must evaluate to a positive integer value. |
15676 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, |
15677 | /*StrictlyPositive=*/true)) |
15678 | return nullptr; |
15679 | |
15680 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15681 | OpenMPDirectiveKind CaptureRegion = |
15682 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads, LangOpts.OpenMP); |
15683 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
15684 | ValExpr = MakeFullExpr(ValExpr).get(); |
15685 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
15686 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
15687 | HelperValStmt = buildPreInits(Context, Captures); |
15688 | } |
15689 | |
15690 | return new (Context) OMPNumThreadsClause( |
15691 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
15692 | } |
15693 | |
15694 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, |
15695 | OpenMPClauseKind CKind, |
15696 | bool StrictlyPositive, |
15697 | bool SuppressExprDiags) { |
15698 | if (!E) |
15699 | return ExprError(); |
15700 | if (E->isValueDependent() || E->isTypeDependent() || |
15701 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
15702 | return E; |
15703 | |
15704 | llvm::APSInt Result; |
15705 | ExprResult ICE; |
15706 | if (SuppressExprDiags) { |
15707 | // Use a custom diagnoser that suppresses 'note' diagnostics about the |
15708 | // expression. |
15709 | struct SuppressedDiagnoser : public Sema::VerifyICEDiagnoser { |
15710 | SuppressedDiagnoser() : VerifyICEDiagnoser(/*Suppress=*/true) {} |
15711 | Sema::SemaDiagnosticBuilder diagnoseNotICE(Sema &S, |
15712 | SourceLocation Loc) override { |
15713 | llvm_unreachable("Diagnostic suppressed")::llvm::llvm_unreachable_internal("Diagnostic suppressed", "clang/lib/Sema/SemaOpenMP.cpp" , 15713); |
15714 | } |
15715 | } Diagnoser; |
15716 | ICE = VerifyIntegerConstantExpression(E, &Result, Diagnoser, AllowFold); |
15717 | } else { |
15718 | ICE = VerifyIntegerConstantExpression(E, &Result, /*FIXME*/ AllowFold); |
15719 | } |
15720 | if (ICE.isInvalid()) |
15721 | return ExprError(); |
15722 | |
15723 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || |
15724 | (!StrictlyPositive && !Result.isNonNegative())) { |
15725 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) |
15726 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) |
15727 | << E->getSourceRange(); |
15728 | return ExprError(); |
15729 | } |
15730 | if ((CKind == OMPC_aligned || CKind == OMPC_align) && !Result.isPowerOf2()) { |
15731 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) |
15732 | << E->getSourceRange(); |
15733 | return ExprError(); |
15734 | } |
15735 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) |
15736 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); |
15737 | else if (CKind == OMPC_ordered) |
15738 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); |
15739 | return ICE; |
15740 | } |
15741 | |
15742 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, |
15743 | SourceLocation LParenLoc, |
15744 | SourceLocation EndLoc) { |
15745 | // OpenMP [2.8.1, simd construct, Description] |
15746 | // The parameter of the safelen clause must be a constant |
15747 | // positive integer expression. |
15748 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); |
15749 | if (Safelen.isInvalid()) |
15750 | return nullptr; |
15751 | return new (Context) |
15752 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); |
15753 | } |
15754 | |
15755 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, |
15756 | SourceLocation LParenLoc, |
15757 | SourceLocation EndLoc) { |
15758 | // OpenMP [2.8.1, simd construct, Description] |
15759 | // The parameter of the simdlen clause must be a constant |
15760 | // positive integer expression. |
15761 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); |
15762 | if (Simdlen.isInvalid()) |
15763 | return nullptr; |
15764 | return new (Context) |
15765 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); |
15766 | } |
15767 | |
15768 | /// Tries to find omp_allocator_handle_t type. |
15769 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, |
15770 | DSAStackTy *Stack) { |
15771 | QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); |
15772 | if (!OMPAllocatorHandleT.isNull()) |
15773 | return true; |
15774 | // Build the predefined allocator expressions. |
15775 | bool ErrorFound = false; |
15776 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
15777 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
15778 | StringRef Allocator = |
15779 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); |
15780 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); |
15781 | auto *VD = dyn_cast_or_null<ValueDecl>( |
15782 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); |
15783 | if (!VD) { |
15784 | ErrorFound = true; |
15785 | break; |
15786 | } |
15787 | QualType AllocatorType = |
15788 | VD->getType().getNonLValueExprType(S.getASTContext()); |
15789 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); |
15790 | if (!Res.isUsable()) { |
15791 | ErrorFound = true; |
15792 | break; |
15793 | } |
15794 | if (OMPAllocatorHandleT.isNull()) |
15795 | OMPAllocatorHandleT = AllocatorType; |
15796 | if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { |
15797 | ErrorFound = true; |
15798 | break; |
15799 | } |
15800 | Stack->setAllocator(AllocatorKind, Res.get()); |
15801 | } |
15802 | if (ErrorFound) { |
15803 | S.Diag(Loc, diag::err_omp_implied_type_not_found) |
15804 | << "omp_allocator_handle_t"; |
15805 | return false; |
15806 | } |
15807 | OMPAllocatorHandleT.addConst(); |
15808 | Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); |
15809 | return true; |
15810 | } |
15811 | |
15812 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, |
15813 | SourceLocation LParenLoc, |
15814 | SourceLocation EndLoc) { |
15815 | // OpenMP [2.11.3, allocate Directive, Description] |
15816 | // allocator is an expression of omp_allocator_handle_t type. |
15817 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
15818 | return nullptr; |
15819 | |
15820 | ExprResult Allocator = DefaultLvalueConversion(A); |
15821 | if (Allocator.isInvalid()) |
15822 | return nullptr; |
15823 | Allocator = PerformImplicitConversion(Allocator.get(), |
15824 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
15825 | Sema::AA_Initializing, |
15826 | /*AllowExplicit=*/true); |
15827 | if (Allocator.isInvalid()) |
15828 | return nullptr; |
15829 | return new (Context) |
15830 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); |
15831 | } |
15832 | |
15833 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, |
15834 | SourceLocation StartLoc, |
15835 | SourceLocation LParenLoc, |
15836 | SourceLocation EndLoc) { |
15837 | // OpenMP [2.7.1, loop construct, Description] |
15838 | // OpenMP [2.8.1, simd construct, Description] |
15839 | // OpenMP [2.9.6, distribute construct, Description] |
15840 | // The parameter of the collapse clause must be a constant |
15841 | // positive integer expression. |
15842 | ExprResult NumForLoopsResult = |
15843 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); |
15844 | if (NumForLoopsResult.isInvalid()) |
15845 | return nullptr; |
15846 | return new (Context) |
15847 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); |
15848 | } |
15849 | |
15850 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, |
15851 | SourceLocation EndLoc, |
15852 | SourceLocation LParenLoc, |
15853 | Expr *NumForLoops) { |
15854 | // OpenMP [2.7.1, loop construct, Description] |
15855 | // OpenMP [2.8.1, simd construct, Description] |
15856 | // OpenMP [2.9.6, distribute construct, Description] |
15857 | // The parameter of the ordered clause must be a constant |
15858 | // positive integer expression if any. |
15859 | if (NumForLoops && LParenLoc.isValid()) { |
15860 | ExprResult NumForLoopsResult = |
15861 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); |
15862 | if (NumForLoopsResult.isInvalid()) |
15863 | return nullptr; |
15864 | NumForLoops = NumForLoopsResult.get(); |
15865 | } else { |
15866 | NumForLoops = nullptr; |
15867 | } |
15868 | auto *Clause = OMPOrderedClause::Create( |
15869 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, |
15870 | StartLoc, LParenLoc, EndLoc); |
15871 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); |
15872 | return Clause; |
15873 | } |
15874 | |
15875 | OMPClause *Sema::ActOnOpenMPSimpleClause( |
15876 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, |
15877 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
15878 | OMPClause *Res = nullptr; |
15879 | switch (Kind) { |
15880 | case OMPC_default: |
15881 | Res = ActOnOpenMPDefaultClause(static_cast<DefaultKind>(Argument), |
15882 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
15883 | break; |
15884 | case OMPC_proc_bind: |
15885 | Res = ActOnOpenMPProcBindClause(static_cast<ProcBindKind>(Argument), |
15886 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
15887 | break; |
15888 | case OMPC_atomic_default_mem_order: |
15889 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( |
15890 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), |
15891 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
15892 | break; |
15893 | case OMPC_order: |
15894 | Res = ActOnOpenMPOrderClause(static_cast<OpenMPOrderClauseKind>(Argument), |
15895 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
15896 | break; |
15897 | case OMPC_update: |
15898 | Res = ActOnOpenMPUpdateClause(static_cast<OpenMPDependClauseKind>(Argument), |
15899 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
15900 | break; |
15901 | case OMPC_bind: |
15902 | Res = ActOnOpenMPBindClause(static_cast<OpenMPBindClauseKind>(Argument), |
15903 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
15904 | break; |
15905 | case OMPC_if: |
15906 | case OMPC_final: |
15907 | case OMPC_num_threads: |
15908 | case OMPC_safelen: |
15909 | case OMPC_simdlen: |
15910 | case OMPC_sizes: |
15911 | case OMPC_allocator: |
15912 | case OMPC_collapse: |
15913 | case OMPC_schedule: |
15914 | case OMPC_private: |
15915 | case OMPC_firstprivate: |
15916 | case OMPC_lastprivate: |
15917 | case OMPC_shared: |
15918 | case OMPC_reduction: |
15919 | case OMPC_task_reduction: |
15920 | case OMPC_in_reduction: |
15921 | case OMPC_linear: |
15922 | case OMPC_aligned: |
15923 | case OMPC_copyin: |
15924 | case OMPC_copyprivate: |
15925 | case OMPC_ordered: |
15926 | case OMPC_nowait: |
15927 | case OMPC_untied: |
15928 | case OMPC_mergeable: |
15929 | case OMPC_threadprivate: |
15930 | case OMPC_allocate: |
15931 | case OMPC_flush: |
15932 | case OMPC_depobj: |
15933 | case OMPC_read: |
15934 | case OMPC_write: |
15935 | case OMPC_capture: |
15936 | case OMPC_compare: |
15937 | case OMPC_seq_cst: |
15938 | case OMPC_acq_rel: |
15939 | case OMPC_acquire: |
15940 | case OMPC_release: |
15941 | case OMPC_relaxed: |
15942 | case OMPC_depend: |
15943 | case OMPC_device: |
15944 | case OMPC_threads: |
15945 | case OMPC_simd: |
15946 | case OMPC_map: |
15947 | case OMPC_num_teams: |
15948 | case OMPC_thread_limit: |
15949 | case OMPC_priority: |
15950 | case OMPC_grainsize: |
15951 | case OMPC_nogroup: |
15952 | case OMPC_num_tasks: |
15953 | case OMPC_hint: |
15954 | case OMPC_dist_schedule: |
15955 | case OMPC_defaultmap: |
15956 | case OMPC_unknown: |
15957 | case OMPC_uniform: |
15958 | case OMPC_to: |
15959 | case OMPC_from: |
15960 | case OMPC_use_device_ptr: |
15961 | case OMPC_use_device_addr: |
15962 | case OMPC_is_device_ptr: |
15963 | case OMPC_has_device_addr: |
15964 | case OMPC_unified_address: |
15965 | case OMPC_unified_shared_memory: |
15966 | case OMPC_reverse_offload: |
15967 | case OMPC_dynamic_allocators: |
15968 | case OMPC_device_type: |
15969 | case OMPC_match: |
15970 | case OMPC_nontemporal: |
15971 | case OMPC_destroy: |
15972 | case OMPC_novariants: |
15973 | case OMPC_nocontext: |
15974 | case OMPC_detach: |
15975 | case OMPC_inclusive: |
15976 | case OMPC_exclusive: |
15977 | case OMPC_uses_allocators: |
15978 | case OMPC_affinity: |
15979 | case OMPC_when: |
15980 | default: |
15981 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 15981); |
15982 | } |
15983 | return Res; |
15984 | } |
15985 | |
15986 | static std::string |
15987 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, |
15988 | ArrayRef<unsigned> Exclude = llvm::None) { |
15989 | SmallString<256> Buffer; |
15990 | llvm::raw_svector_ostream Out(Buffer); |
15991 | unsigned Skipped = Exclude.size(); |
15992 | auto S = Exclude.begin(), E = Exclude.end(); |
15993 | for (unsigned I = First; I < Last; ++I) { |
15994 | if (std::find(S, E, I) != E) { |
15995 | --Skipped; |
15996 | continue; |
15997 | } |
15998 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; |
15999 | if (I + Skipped + 2 == Last) |
16000 | Out << " or "; |
16001 | else if (I + Skipped + 1 != Last) |
16002 | Out << ", "; |
16003 | } |
16004 | return std::string(Out.str()); |
16005 | } |
16006 | |
16007 | OMPClause *Sema::ActOnOpenMPDefaultClause(DefaultKind Kind, |
16008 | SourceLocation KindKwLoc, |
16009 | SourceLocation StartLoc, |
16010 | SourceLocation LParenLoc, |
16011 | SourceLocation EndLoc) { |
16012 | if (Kind == OMP_DEFAULT_unknown) { |
16013 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16014 | << getListOfPossibleValues(OMPC_default, /*First=*/0, |
16015 | /*Last=*/unsigned(OMP_DEFAULT_unknown)) |
16016 | << getOpenMPClauseName(OMPC_default); |
16017 | return nullptr; |
16018 | } |
16019 | |
16020 | switch (Kind) { |
16021 | case OMP_DEFAULT_none: |
16022 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); |
16023 | break; |
16024 | case OMP_DEFAULT_shared: |
16025 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); |
16026 | break; |
16027 | case OMP_DEFAULT_firstprivate: |
16028 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAFirstPrivate(KindKwLoc); |
16029 | break; |
16030 | default: |
16031 | llvm_unreachable("DSA unexpected in OpenMP default clause")::llvm::llvm_unreachable_internal("DSA unexpected in OpenMP default clause" , "clang/lib/Sema/SemaOpenMP.cpp", 16031); |
16032 | } |
16033 | |
16034 | return new (Context) |
16035 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
16036 | } |
16037 | |
16038 | OMPClause *Sema::ActOnOpenMPProcBindClause(ProcBindKind Kind, |
16039 | SourceLocation KindKwLoc, |
16040 | SourceLocation StartLoc, |
16041 | SourceLocation LParenLoc, |
16042 | SourceLocation EndLoc) { |
16043 | if (Kind == OMP_PROC_BIND_unknown) { |
16044 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16045 | << getListOfPossibleValues(OMPC_proc_bind, |
16046 | /*First=*/unsigned(OMP_PROC_BIND_master), |
16047 | /*Last=*/ |
16048 | unsigned(LangOpts.OpenMP > 50 |
16049 | ? OMP_PROC_BIND_primary |
16050 | : OMP_PROC_BIND_spread) + |
16051 | 1) |
16052 | << getOpenMPClauseName(OMPC_proc_bind); |
16053 | return nullptr; |
16054 | } |
16055 | if (Kind == OMP_PROC_BIND_primary && LangOpts.OpenMP < 51) |
16056 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16057 | << getListOfPossibleValues(OMPC_proc_bind, |
16058 | /*First=*/unsigned(OMP_PROC_BIND_master), |
16059 | /*Last=*/ |
16060 | unsigned(OMP_PROC_BIND_spread) + 1) |
16061 | << getOpenMPClauseName(OMPC_proc_bind); |
16062 | return new (Context) |
16063 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
16064 | } |
16065 | |
16066 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( |
16067 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, |
16068 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
16069 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { |
16070 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16071 | << getListOfPossibleValues( |
16072 | OMPC_atomic_default_mem_order, /*First=*/0, |
16073 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) |
16074 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); |
16075 | return nullptr; |
16076 | } |
16077 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, |
16078 | LParenLoc, EndLoc); |
16079 | } |
16080 | |
16081 | OMPClause *Sema::ActOnOpenMPOrderClause(OpenMPOrderClauseKind Kind, |
16082 | SourceLocation KindKwLoc, |
16083 | SourceLocation StartLoc, |
16084 | SourceLocation LParenLoc, |
16085 | SourceLocation EndLoc) { |
16086 | if (Kind == OMPC_ORDER_unknown) { |
16087 | static_assert(OMPC_ORDER_unknown > 0, |
16088 | "OMPC_ORDER_unknown not greater than 0"); |
16089 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16090 | << getListOfPossibleValues(OMPC_order, /*First=*/0, |
16091 | /*Last=*/OMPC_ORDER_unknown) |
16092 | << getOpenMPClauseName(OMPC_order); |
16093 | return nullptr; |
16094 | } |
16095 | return new (Context) |
16096 | OMPOrderClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
16097 | } |
16098 | |
16099 | OMPClause *Sema::ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, |
16100 | SourceLocation KindKwLoc, |
16101 | SourceLocation StartLoc, |
16102 | SourceLocation LParenLoc, |
16103 | SourceLocation EndLoc) { |
16104 | if (Kind == OMPC_DEPEND_unknown || Kind == OMPC_DEPEND_source || |
16105 | Kind == OMPC_DEPEND_sink || Kind == OMPC_DEPEND_depobj) { |
16106 | SmallVector<unsigned> Except = {OMPC_DEPEND_source, OMPC_DEPEND_sink, |
16107 | OMPC_DEPEND_depobj}; |
16108 | if (LangOpts.OpenMP < 51) |
16109 | Except.push_back(OMPC_DEPEND_inoutset); |
16110 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16111 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, |
16112 | /*Last=*/OMPC_DEPEND_unknown, Except) |
16113 | << getOpenMPClauseName(OMPC_update); |
16114 | return nullptr; |
16115 | } |
16116 | return OMPUpdateClause::Create(Context, StartLoc, LParenLoc, KindKwLoc, Kind, |
16117 | EndLoc); |
16118 | } |
16119 | |
16120 | OMPClause *Sema::ActOnOpenMPSizesClause(ArrayRef<Expr *> SizeExprs, |
16121 | SourceLocation StartLoc, |
16122 | SourceLocation LParenLoc, |
16123 | SourceLocation EndLoc) { |
16124 | for (Expr *SizeExpr : SizeExprs) { |
16125 | ExprResult NumForLoopsResult = VerifyPositiveIntegerConstantInClause( |
16126 | SizeExpr, OMPC_sizes, /*StrictlyPositive=*/true); |
16127 | if (!NumForLoopsResult.isUsable()) |
16128 | return nullptr; |
16129 | } |
16130 | |
16131 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(SizeExprs.size()); |
16132 | return OMPSizesClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
16133 | SizeExprs); |
16134 | } |
16135 | |
16136 | OMPClause *Sema::ActOnOpenMPFullClause(SourceLocation StartLoc, |
16137 | SourceLocation EndLoc) { |
16138 | return OMPFullClause::Create(Context, StartLoc, EndLoc); |
16139 | } |
16140 | |
16141 | OMPClause *Sema::ActOnOpenMPPartialClause(Expr *FactorExpr, |
16142 | SourceLocation StartLoc, |
16143 | SourceLocation LParenLoc, |
16144 | SourceLocation EndLoc) { |
16145 | if (FactorExpr) { |
16146 | // If an argument is specified, it must be a constant (or an unevaluated |
16147 | // template expression). |
16148 | ExprResult FactorResult = VerifyPositiveIntegerConstantInClause( |
16149 | FactorExpr, OMPC_partial, /*StrictlyPositive=*/true); |
16150 | if (FactorResult.isInvalid()) |
16151 | return nullptr; |
16152 | FactorExpr = FactorResult.get(); |
16153 | } |
16154 | |
16155 | return OMPPartialClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
16156 | FactorExpr); |
16157 | } |
16158 | |
16159 | OMPClause *Sema::ActOnOpenMPAlignClause(Expr *A, SourceLocation StartLoc, |
16160 | SourceLocation LParenLoc, |
16161 | SourceLocation EndLoc) { |
16162 | ExprResult AlignVal; |
16163 | AlignVal = VerifyPositiveIntegerConstantInClause(A, OMPC_align); |
16164 | if (AlignVal.isInvalid()) |
16165 | return nullptr; |
16166 | return OMPAlignClause::Create(Context, AlignVal.get(), StartLoc, LParenLoc, |
16167 | EndLoc); |
16168 | } |
16169 | |
16170 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( |
16171 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, |
16172 | SourceLocation StartLoc, SourceLocation LParenLoc, |
16173 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, |
16174 | SourceLocation EndLoc) { |
16175 | OMPClause *Res = nullptr; |
16176 | switch (Kind) { |
16177 | case OMPC_schedule: |
16178 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; |
16179 | assert(Argument.size() == NumberOfElements &&(static_cast <bool> (Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements) ? void (0 ) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "clang/lib/Sema/SemaOpenMP.cpp", 16180, __extension__ __PRETTY_FUNCTION__ )) |
16180 | ArgumentLoc.size() == NumberOfElements)(static_cast <bool> (Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements) ? void (0 ) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "clang/lib/Sema/SemaOpenMP.cpp", 16180, __extension__ __PRETTY_FUNCTION__ )); |
16181 | Res = ActOnOpenMPScheduleClause( |
16182 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), |
16183 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), |
16184 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, |
16185 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], |
16186 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); |
16187 | break; |
16188 | case OMPC_if: |
16189 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)(static_cast <bool> (Argument.size() == 1 && ArgumentLoc .size() == 1) ? void (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1" , "clang/lib/Sema/SemaOpenMP.cpp", 16189, __extension__ __PRETTY_FUNCTION__ )); |
16190 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), |
16191 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), |
16192 | DelimLoc, EndLoc); |
16193 | break; |
16194 | case OMPC_dist_schedule: |
16195 | Res = ActOnOpenMPDistScheduleClause( |
16196 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, |
16197 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); |
16198 | break; |
16199 | case OMPC_defaultmap: |
16200 | enum { Modifier, DefaultmapKind }; |
16201 | Res = ActOnOpenMPDefaultmapClause( |
16202 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), |
16203 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), |
16204 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], |
16205 | EndLoc); |
16206 | break; |
16207 | case OMPC_device: |
16208 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)(static_cast <bool> (Argument.size() == 1 && ArgumentLoc .size() == 1) ? void (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1" , "clang/lib/Sema/SemaOpenMP.cpp", 16208, __extension__ __PRETTY_FUNCTION__ )); |
16209 | Res = ActOnOpenMPDeviceClause( |
16210 | static_cast<OpenMPDeviceClauseModifier>(Argument.back()), Expr, |
16211 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); |
16212 | break; |
16213 | case OMPC_final: |
16214 | case OMPC_num_threads: |
16215 | case OMPC_safelen: |
16216 | case OMPC_simdlen: |
16217 | case OMPC_sizes: |
16218 | case OMPC_allocator: |
16219 | case OMPC_collapse: |
16220 | case OMPC_default: |
16221 | case OMPC_proc_bind: |
16222 | case OMPC_private: |
16223 | case OMPC_firstprivate: |
16224 | case OMPC_lastprivate: |
16225 | case OMPC_shared: |
16226 | case OMPC_reduction: |
16227 | case OMPC_task_reduction: |
16228 | case OMPC_in_reduction: |
16229 | case OMPC_linear: |
16230 | case OMPC_aligned: |
16231 | case OMPC_copyin: |
16232 | case OMPC_copyprivate: |
16233 | case OMPC_ordered: |
16234 | case OMPC_nowait: |
16235 | case OMPC_untied: |
16236 | case OMPC_mergeable: |
16237 | case OMPC_threadprivate: |
16238 | case OMPC_allocate: |
16239 | case OMPC_flush: |
16240 | case OMPC_depobj: |
16241 | case OMPC_read: |
16242 | case OMPC_write: |
16243 | case OMPC_update: |
16244 | case OMPC_capture: |
16245 | case OMPC_compare: |
16246 | case OMPC_seq_cst: |
16247 | case OMPC_acq_rel: |
16248 | case OMPC_acquire: |
16249 | case OMPC_release: |
16250 | case OMPC_relaxed: |
16251 | case OMPC_depend: |
16252 | case OMPC_threads: |
16253 | case OMPC_simd: |
16254 | case OMPC_map: |
16255 | case OMPC_num_teams: |
16256 | case OMPC_thread_limit: |
16257 | case OMPC_priority: |
16258 | case OMPC_grainsize: |
16259 | case OMPC_nogroup: |
16260 | case OMPC_num_tasks: |
16261 | case OMPC_hint: |
16262 | case OMPC_unknown: |
16263 | case OMPC_uniform: |
16264 | case OMPC_to: |
16265 | case OMPC_from: |
16266 | case OMPC_use_device_ptr: |
16267 | case OMPC_use_device_addr: |
16268 | case OMPC_is_device_ptr: |
16269 | case OMPC_has_device_addr: |
16270 | case OMPC_unified_address: |
16271 | case OMPC_unified_shared_memory: |
16272 | case OMPC_reverse_offload: |
16273 | case OMPC_dynamic_allocators: |
16274 | case OMPC_atomic_default_mem_order: |
16275 | case OMPC_device_type: |
16276 | case OMPC_match: |
16277 | case OMPC_nontemporal: |
16278 | case OMPC_order: |
16279 | case OMPC_destroy: |
16280 | case OMPC_novariants: |
16281 | case OMPC_nocontext: |
16282 | case OMPC_detach: |
16283 | case OMPC_inclusive: |
16284 | case OMPC_exclusive: |
16285 | case OMPC_uses_allocators: |
16286 | case OMPC_affinity: |
16287 | case OMPC_when: |
16288 | case OMPC_bind: |
16289 | default: |
16290 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 16290); |
16291 | } |
16292 | return Res; |
16293 | } |
16294 | |
16295 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, |
16296 | OpenMPScheduleClauseModifier M2, |
16297 | SourceLocation M1Loc, SourceLocation M2Loc) { |
16298 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { |
16299 | SmallVector<unsigned, 2> Excluded; |
16300 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) |
16301 | Excluded.push_back(M2); |
16302 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) |
16303 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); |
16304 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) |
16305 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); |
16306 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) |
16307 | << getListOfPossibleValues(OMPC_schedule, |
16308 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, |
16309 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, |
16310 | Excluded) |
16311 | << getOpenMPClauseName(OMPC_schedule); |
16312 | return true; |
16313 | } |
16314 | return false; |
16315 | } |
16316 | |
16317 | OMPClause *Sema::ActOnOpenMPScheduleClause( |
16318 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, |
16319 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, |
16320 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, |
16321 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { |
16322 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || |
16323 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) |
16324 | return nullptr; |
16325 | // OpenMP, 2.7.1, Loop Construct, Restrictions |
16326 | // Either the monotonic modifier or the nonmonotonic modifier can be specified |
16327 | // but not both. |
16328 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || |
16329 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && |
16330 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || |
16331 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && |
16332 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { |
16333 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) |
16334 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) |
16335 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); |
16336 | return nullptr; |
16337 | } |
16338 | if (Kind == OMPC_SCHEDULE_unknown) { |
16339 | std::string Values; |
16340 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { |
16341 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; |
16342 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, |
16343 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, |
16344 | Exclude); |
16345 | } else { |
16346 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, |
16347 | /*Last=*/OMPC_SCHEDULE_unknown); |
16348 | } |
16349 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
16350 | << Values << getOpenMPClauseName(OMPC_schedule); |
16351 | return nullptr; |
16352 | } |
16353 | // OpenMP, 2.7.1, Loop Construct, Restrictions |
16354 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or |
16355 | // schedule(guided). |
16356 | // OpenMP 5.0 does not have this restriction. |
16357 | if (LangOpts.OpenMP < 50 && |
16358 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || |
16359 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && |
16360 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { |
16361 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, |
16362 | diag::err_omp_schedule_nonmonotonic_static); |
16363 | return nullptr; |
16364 | } |
16365 | Expr *ValExpr = ChunkSize; |
16366 | Stmt *HelperValStmt = nullptr; |
16367 | if (ChunkSize) { |
16368 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && |
16369 | !ChunkSize->isInstantiationDependent() && |
16370 | !ChunkSize->containsUnexpandedParameterPack()) { |
16371 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); |
16372 | ExprResult Val = |
16373 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); |
16374 | if (Val.isInvalid()) |
16375 | return nullptr; |
16376 | |
16377 | ValExpr = Val.get(); |
16378 | |
16379 | // OpenMP [2.7.1, Restrictions] |
16380 | // chunk_size must be a loop invariant integer expression with a positive |
16381 | // value. |
16382 | if (Optional<llvm::APSInt> Result = |
16383 | ValExpr->getIntegerConstantExpr(Context)) { |
16384 | if (Result->isSigned() && !Result->isStrictlyPositive()) { |
16385 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) |
16386 | << "schedule" << 1 << ChunkSize->getSourceRange(); |
16387 | return nullptr; |
16388 | } |
16389 | } else if (getOpenMPCaptureRegionForClause( |
16390 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule, |
16391 | LangOpts.OpenMP) != OMPD_unknown && |
16392 | !CurContext->isDependentContext()) { |
16393 | ValExpr = MakeFullExpr(ValExpr).get(); |
16394 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16395 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
16396 | HelperValStmt = buildPreInits(Context, Captures); |
16397 | } |
16398 | } |
16399 | } |
16400 | |
16401 | return new (Context) |
16402 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, |
16403 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); |
16404 | } |
16405 | |
16406 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, |
16407 | SourceLocation StartLoc, |
16408 | SourceLocation EndLoc) { |
16409 | OMPClause *Res = nullptr; |
16410 | switch (Kind) { |
16411 | case OMPC_ordered: |
16412 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); |
16413 | break; |
16414 | case OMPC_nowait: |
16415 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); |
16416 | break; |
16417 | case OMPC_untied: |
16418 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); |
16419 | break; |
16420 | case OMPC_mergeable: |
16421 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); |
16422 | break; |
16423 | case OMPC_read: |
16424 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); |
16425 | break; |
16426 | case OMPC_write: |
16427 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); |
16428 | break; |
16429 | case OMPC_update: |
16430 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); |
16431 | break; |
16432 | case OMPC_capture: |
16433 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); |
16434 | break; |
16435 | case OMPC_compare: |
16436 | Res = ActOnOpenMPCompareClause(StartLoc, EndLoc); |
16437 | break; |
16438 | case OMPC_seq_cst: |
16439 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); |
16440 | break; |
16441 | case OMPC_acq_rel: |
16442 | Res = ActOnOpenMPAcqRelClause(StartLoc, EndLoc); |
16443 | break; |
16444 | case OMPC_acquire: |
16445 | Res = ActOnOpenMPAcquireClause(StartLoc, EndLoc); |
16446 | break; |
16447 | case OMPC_release: |
16448 | Res = ActOnOpenMPReleaseClause(StartLoc, EndLoc); |
16449 | break; |
16450 | case OMPC_relaxed: |
16451 | Res = ActOnOpenMPRelaxedClause(StartLoc, EndLoc); |
16452 | break; |
16453 | case OMPC_threads: |
16454 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); |
16455 | break; |
16456 | case OMPC_simd: |
16457 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); |
16458 | break; |
16459 | case OMPC_nogroup: |
16460 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); |
16461 | break; |
16462 | case OMPC_unified_address: |
16463 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); |
16464 | break; |
16465 | case OMPC_unified_shared_memory: |
16466 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); |
16467 | break; |
16468 | case OMPC_reverse_offload: |
16469 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); |
16470 | break; |
16471 | case OMPC_dynamic_allocators: |
16472 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); |
16473 | break; |
16474 | case OMPC_destroy: |
16475 | Res = ActOnOpenMPDestroyClause(/*InteropVar=*/nullptr, StartLoc, |
16476 | /*LParenLoc=*/SourceLocation(), |
16477 | /*VarLoc=*/SourceLocation(), EndLoc); |
16478 | break; |
16479 | case OMPC_full: |
16480 | Res = ActOnOpenMPFullClause(StartLoc, EndLoc); |
16481 | break; |
16482 | case OMPC_partial: |
16483 | Res = ActOnOpenMPPartialClause(nullptr, StartLoc, /*LParenLoc=*/{}, EndLoc); |
16484 | break; |
16485 | case OMPC_if: |
16486 | case OMPC_final: |
16487 | case OMPC_num_threads: |
16488 | case OMPC_safelen: |
16489 | case OMPC_simdlen: |
16490 | case OMPC_sizes: |
16491 | case OMPC_allocator: |
16492 | case OMPC_collapse: |
16493 | case OMPC_schedule: |
16494 | case OMPC_private: |
16495 | case OMPC_firstprivate: |
16496 | case OMPC_lastprivate: |
16497 | case OMPC_shared: |
16498 | case OMPC_reduction: |
16499 | case OMPC_task_reduction: |
16500 | case OMPC_in_reduction: |
16501 | case OMPC_linear: |
16502 | case OMPC_aligned: |
16503 | case OMPC_copyin: |
16504 | case OMPC_copyprivate: |
16505 | case OMPC_default: |
16506 | case OMPC_proc_bind: |
16507 | case OMPC_threadprivate: |
16508 | case OMPC_allocate: |
16509 | case OMPC_flush: |
16510 | case OMPC_depobj: |
16511 | case OMPC_depend: |
16512 | case OMPC_device: |
16513 | case OMPC_map: |
16514 | case OMPC_num_teams: |
16515 | case OMPC_thread_limit: |
16516 | case OMPC_priority: |
16517 | case OMPC_grainsize: |
16518 | case OMPC_num_tasks: |
16519 | case OMPC_hint: |
16520 | case OMPC_dist_schedule: |
16521 | case OMPC_defaultmap: |
16522 | case OMPC_unknown: |
16523 | case OMPC_uniform: |
16524 | case OMPC_to: |
16525 | case OMPC_from: |
16526 | case OMPC_use_device_ptr: |
16527 | case OMPC_use_device_addr: |
16528 | case OMPC_is_device_ptr: |
16529 | case OMPC_has_device_addr: |
16530 | case OMPC_atomic_default_mem_order: |
16531 | case OMPC_device_type: |
16532 | case OMPC_match: |
16533 | case OMPC_nontemporal: |
16534 | case OMPC_order: |
16535 | case OMPC_novariants: |
16536 | case OMPC_nocontext: |
16537 | case OMPC_detach: |
16538 | case OMPC_inclusive: |
16539 | case OMPC_exclusive: |
16540 | case OMPC_uses_allocators: |
16541 | case OMPC_affinity: |
16542 | case OMPC_when: |
16543 | default: |
16544 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 16544); |
16545 | } |
16546 | return Res; |
16547 | } |
16548 | |
16549 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, |
16550 | SourceLocation EndLoc) { |
16551 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); |
16552 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); |
16553 | } |
16554 | |
16555 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, |
16556 | SourceLocation EndLoc) { |
16557 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setUntiedRegion(); |
16558 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); |
16559 | } |
16560 | |
16561 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, |
16562 | SourceLocation EndLoc) { |
16563 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); |
16564 | } |
16565 | |
16566 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, |
16567 | SourceLocation EndLoc) { |
16568 | return new (Context) OMPReadClause(StartLoc, EndLoc); |
16569 | } |
16570 | |
16571 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, |
16572 | SourceLocation EndLoc) { |
16573 | return new (Context) OMPWriteClause(StartLoc, EndLoc); |
16574 | } |
16575 | |
16576 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, |
16577 | SourceLocation EndLoc) { |
16578 | return OMPUpdateClause::Create(Context, StartLoc, EndLoc); |
16579 | } |
16580 | |
16581 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, |
16582 | SourceLocation EndLoc) { |
16583 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); |
16584 | } |
16585 | |
16586 | OMPClause *Sema::ActOnOpenMPCompareClause(SourceLocation StartLoc, |
16587 | SourceLocation EndLoc) { |
16588 | return new (Context) OMPCompareClause(StartLoc, EndLoc); |
16589 | } |
16590 | |
16591 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, |
16592 | SourceLocation EndLoc) { |
16593 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); |
16594 | } |
16595 | |
16596 | OMPClause *Sema::ActOnOpenMPAcqRelClause(SourceLocation StartLoc, |
16597 | SourceLocation EndLoc) { |
16598 | return new (Context) OMPAcqRelClause(StartLoc, EndLoc); |
16599 | } |
16600 | |
16601 | OMPClause *Sema::ActOnOpenMPAcquireClause(SourceLocation StartLoc, |
16602 | SourceLocation EndLoc) { |
16603 | return new (Context) OMPAcquireClause(StartLoc, EndLoc); |
16604 | } |
16605 | |
16606 | OMPClause *Sema::ActOnOpenMPReleaseClause(SourceLocation StartLoc, |
16607 | SourceLocation EndLoc) { |
16608 | return new (Context) OMPReleaseClause(StartLoc, EndLoc); |
16609 | } |
16610 | |
16611 | OMPClause *Sema::ActOnOpenMPRelaxedClause(SourceLocation StartLoc, |
16612 | SourceLocation EndLoc) { |
16613 | return new (Context) OMPRelaxedClause(StartLoc, EndLoc); |
16614 | } |
16615 | |
16616 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, |
16617 | SourceLocation EndLoc) { |
16618 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); |
16619 | } |
16620 | |
16621 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, |
16622 | SourceLocation EndLoc) { |
16623 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); |
16624 | } |
16625 | |
16626 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, |
16627 | SourceLocation EndLoc) { |
16628 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); |
16629 | } |
16630 | |
16631 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, |
16632 | SourceLocation EndLoc) { |
16633 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); |
16634 | } |
16635 | |
16636 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, |
16637 | SourceLocation EndLoc) { |
16638 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); |
16639 | } |
16640 | |
16641 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, |
16642 | SourceLocation EndLoc) { |
16643 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); |
16644 | } |
16645 | |
16646 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, |
16647 | SourceLocation EndLoc) { |
16648 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); |
16649 | } |
16650 | |
16651 | StmtResult Sema::ActOnOpenMPInteropDirective(ArrayRef<OMPClause *> Clauses, |
16652 | SourceLocation StartLoc, |
16653 | SourceLocation EndLoc) { |
16654 | |
16655 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
16656 | // At least one action-clause must appear on a directive. |
16657 | if (!hasClauses(Clauses, OMPC_init, OMPC_use, OMPC_destroy, OMPC_nowait)) { |
16658 | StringRef Expected = "'init', 'use', 'destroy', or 'nowait'"; |
16659 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
16660 | << Expected << getOpenMPDirectiveName(OMPD_interop); |
16661 | return StmtError(); |
16662 | } |
16663 | |
16664 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
16665 | // A depend clause can only appear on the directive if a targetsync |
16666 | // interop-type is present or the interop-var was initialized with |
16667 | // the targetsync interop-type. |
16668 | |
16669 | // If there is any 'init' clause diagnose if there is no 'init' clause with |
16670 | // interop-type of 'targetsync'. Cases involving other directives cannot be |
16671 | // diagnosed. |
16672 | const OMPDependClause *DependClause = nullptr; |
16673 | bool HasInitClause = false; |
16674 | bool IsTargetSync = false; |
16675 | for (const OMPClause *C : Clauses) { |
16676 | if (IsTargetSync) |
16677 | break; |
16678 | if (const auto *InitClause = dyn_cast<OMPInitClause>(C)) { |
16679 | HasInitClause = true; |
16680 | if (InitClause->getIsTargetSync()) |
16681 | IsTargetSync = true; |
16682 | } else if (const auto *DC = dyn_cast<OMPDependClause>(C)) { |
16683 | DependClause = DC; |
16684 | } |
16685 | } |
16686 | if (DependClause && HasInitClause && !IsTargetSync) { |
16687 | Diag(DependClause->getBeginLoc(), diag::err_omp_interop_bad_depend_clause); |
16688 | return StmtError(); |
16689 | } |
16690 | |
16691 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
16692 | // Each interop-var may be specified for at most one action-clause of each |
16693 | // interop construct. |
16694 | llvm::SmallPtrSet<const VarDecl *, 4> InteropVars; |
16695 | for (const OMPClause *C : Clauses) { |
16696 | OpenMPClauseKind ClauseKind = C->getClauseKind(); |
16697 | const DeclRefExpr *DRE = nullptr; |
16698 | SourceLocation VarLoc; |
16699 | |
16700 | if (ClauseKind == OMPC_init) { |
16701 | const auto *IC = cast<OMPInitClause>(C); |
16702 | VarLoc = IC->getVarLoc(); |
16703 | DRE = dyn_cast_or_null<DeclRefExpr>(IC->getInteropVar()); |
16704 | } else if (ClauseKind == OMPC_use) { |
16705 | const auto *UC = cast<OMPUseClause>(C); |
16706 | VarLoc = UC->getVarLoc(); |
16707 | DRE = dyn_cast_or_null<DeclRefExpr>(UC->getInteropVar()); |
16708 | } else if (ClauseKind == OMPC_destroy) { |
16709 | const auto *DC = cast<OMPDestroyClause>(C); |
16710 | VarLoc = DC->getVarLoc(); |
16711 | DRE = dyn_cast_or_null<DeclRefExpr>(DC->getInteropVar()); |
16712 | } |
16713 | |
16714 | if (!DRE) |
16715 | continue; |
16716 | |
16717 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) { |
16718 | if (!InteropVars.insert(VD->getCanonicalDecl()).second) { |
16719 | Diag(VarLoc, diag::err_omp_interop_var_multiple_actions) << VD; |
16720 | return StmtError(); |
16721 | } |
16722 | } |
16723 | } |
16724 | |
16725 | return OMPInteropDirective::Create(Context, StartLoc, EndLoc, Clauses); |
16726 | } |
16727 | |
16728 | static bool isValidInteropVariable(Sema &SemaRef, Expr *InteropVarExpr, |
16729 | SourceLocation VarLoc, |
16730 | OpenMPClauseKind Kind) { |
16731 | if (InteropVarExpr->isValueDependent() || InteropVarExpr->isTypeDependent() || |
16732 | InteropVarExpr->isInstantiationDependent() || |
16733 | InteropVarExpr->containsUnexpandedParameterPack()) |
16734 | return true; |
16735 | |
16736 | const auto *DRE = dyn_cast<DeclRefExpr>(InteropVarExpr); |
16737 | if (!DRE || !isa<VarDecl>(DRE->getDecl())) { |
16738 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) << 0; |
16739 | return false; |
16740 | } |
16741 | |
16742 | // Interop variable should be of type omp_interop_t. |
16743 | bool HasError = false; |
16744 | QualType InteropType; |
16745 | LookupResult Result(SemaRef, &SemaRef.Context.Idents.get("omp_interop_t"), |
16746 | VarLoc, Sema::LookupOrdinaryName); |
16747 | if (SemaRef.LookupName(Result, SemaRef.getCurScope())) { |
16748 | NamedDecl *ND = Result.getFoundDecl(); |
16749 | if (const auto *TD = dyn_cast<TypeDecl>(ND)) { |
16750 | InteropType = QualType(TD->getTypeForDecl(), 0); |
16751 | } else { |
16752 | HasError = true; |
16753 | } |
16754 | } else { |
16755 | HasError = true; |
16756 | } |
16757 | |
16758 | if (HasError) { |
16759 | SemaRef.Diag(VarLoc, diag::err_omp_implied_type_not_found) |
16760 | << "omp_interop_t"; |
16761 | return false; |
16762 | } |
16763 | |
16764 | QualType VarType = InteropVarExpr->getType().getUnqualifiedType(); |
16765 | if (!SemaRef.Context.hasSameType(InteropType, VarType)) { |
16766 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_wrong_type); |
16767 | return false; |
16768 | } |
16769 | |
16770 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
16771 | // The interop-var passed to init or destroy must be non-const. |
16772 | if ((Kind == OMPC_init || Kind == OMPC_destroy) && |
16773 | isConstNotMutableType(SemaRef, InteropVarExpr->getType())) { |
16774 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) |
16775 | << /*non-const*/ 1; |
16776 | return false; |
16777 | } |
16778 | return true; |
16779 | } |
16780 | |
16781 | OMPClause * |
16782 | Sema::ActOnOpenMPInitClause(Expr *InteropVar, ArrayRef<Expr *> PrefExprs, |
16783 | bool IsTarget, bool IsTargetSync, |
16784 | SourceLocation StartLoc, SourceLocation LParenLoc, |
16785 | SourceLocation VarLoc, SourceLocation EndLoc) { |
16786 | |
16787 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_init)) |
16788 | return nullptr; |
16789 | |
16790 | // Check prefer_type values. These foreign-runtime-id values are either |
16791 | // string literals or constant integral expressions. |
16792 | for (const Expr *E : PrefExprs) { |
16793 | if (E->isValueDependent() || E->isTypeDependent() || |
16794 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
16795 | continue; |
16796 | if (E->isIntegerConstantExpr(Context)) |
16797 | continue; |
16798 | if (isa<StringLiteral>(E)) |
16799 | continue; |
16800 | Diag(E->getExprLoc(), diag::err_omp_interop_prefer_type); |
16801 | return nullptr; |
16802 | } |
16803 | |
16804 | return OMPInitClause::Create(Context, InteropVar, PrefExprs, IsTarget, |
16805 | IsTargetSync, StartLoc, LParenLoc, VarLoc, |
16806 | EndLoc); |
16807 | } |
16808 | |
16809 | OMPClause *Sema::ActOnOpenMPUseClause(Expr *InteropVar, SourceLocation StartLoc, |
16810 | SourceLocation LParenLoc, |
16811 | SourceLocation VarLoc, |
16812 | SourceLocation EndLoc) { |
16813 | |
16814 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_use)) |
16815 | return nullptr; |
16816 | |
16817 | return new (Context) |
16818 | OMPUseClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); |
16819 | } |
16820 | |
16821 | OMPClause *Sema::ActOnOpenMPDestroyClause(Expr *InteropVar, |
16822 | SourceLocation StartLoc, |
16823 | SourceLocation LParenLoc, |
16824 | SourceLocation VarLoc, |
16825 | SourceLocation EndLoc) { |
16826 | if (InteropVar && |
16827 | !isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_destroy)) |
16828 | return nullptr; |
16829 | |
16830 | return new (Context) |
16831 | OMPDestroyClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); |
16832 | } |
16833 | |
16834 | OMPClause *Sema::ActOnOpenMPNovariantsClause(Expr *Condition, |
16835 | SourceLocation StartLoc, |
16836 | SourceLocation LParenLoc, |
16837 | SourceLocation EndLoc) { |
16838 | Expr *ValExpr = Condition; |
16839 | Stmt *HelperValStmt = nullptr; |
16840 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
16841 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
16842 | !Condition->isInstantiationDependent() && |
16843 | !Condition->containsUnexpandedParameterPack()) { |
16844 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
16845 | if (Val.isInvalid()) |
16846 | return nullptr; |
16847 | |
16848 | ValExpr = MakeFullExpr(Val.get()).get(); |
16849 | |
16850 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
16851 | CaptureRegion = getOpenMPCaptureRegionForClause(DKind, OMPC_novariants, |
16852 | LangOpts.OpenMP); |
16853 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
16854 | ValExpr = MakeFullExpr(ValExpr).get(); |
16855 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16856 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
16857 | HelperValStmt = buildPreInits(Context, Captures); |
16858 | } |
16859 | } |
16860 | |
16861 | return new (Context) OMPNovariantsClause( |
16862 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
16863 | } |
16864 | |
16865 | OMPClause *Sema::ActOnOpenMPNocontextClause(Expr *Condition, |
16866 | SourceLocation StartLoc, |
16867 | SourceLocation LParenLoc, |
16868 | SourceLocation EndLoc) { |
16869 | Expr *ValExpr = Condition; |
16870 | Stmt *HelperValStmt = nullptr; |
16871 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
16872 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
16873 | !Condition->isInstantiationDependent() && |
16874 | !Condition->containsUnexpandedParameterPack()) { |
16875 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
16876 | if (Val.isInvalid()) |
16877 | return nullptr; |
16878 | |
16879 | ValExpr = MakeFullExpr(Val.get()).get(); |
16880 | |
16881 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
16882 | CaptureRegion = |
16883 | getOpenMPCaptureRegionForClause(DKind, OMPC_nocontext, LangOpts.OpenMP); |
16884 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
16885 | ValExpr = MakeFullExpr(ValExpr).get(); |
16886 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16887 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
16888 | HelperValStmt = buildPreInits(Context, Captures); |
16889 | } |
16890 | } |
16891 | |
16892 | return new (Context) OMPNocontextClause(ValExpr, HelperValStmt, CaptureRegion, |
16893 | StartLoc, LParenLoc, EndLoc); |
16894 | } |
16895 | |
16896 | OMPClause *Sema::ActOnOpenMPFilterClause(Expr *ThreadID, |
16897 | SourceLocation StartLoc, |
16898 | SourceLocation LParenLoc, |
16899 | SourceLocation EndLoc) { |
16900 | Expr *ValExpr = ThreadID; |
16901 | Stmt *HelperValStmt = nullptr; |
16902 | |
16903 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
16904 | OpenMPDirectiveKind CaptureRegion = |
16905 | getOpenMPCaptureRegionForClause(DKind, OMPC_filter, LangOpts.OpenMP); |
16906 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
16907 | ValExpr = MakeFullExpr(ValExpr).get(); |
16908 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16909 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
16910 | HelperValStmt = buildPreInits(Context, Captures); |
16911 | } |
16912 | |
16913 | return new (Context) OMPFilterClause(ValExpr, HelperValStmt, CaptureRegion, |
16914 | StartLoc, LParenLoc, EndLoc); |
16915 | } |
16916 | |
16917 | OMPClause *Sema::ActOnOpenMPVarListClause( |
16918 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *DepModOrTailExpr, |
16919 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, |
16920 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, |
16921 | DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier, |
16922 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, |
16923 | ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit, |
16924 | SourceLocation ExtraModifierLoc, |
16925 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
16926 | ArrayRef<SourceLocation> MotionModifiersLoc) { |
16927 | SourceLocation StartLoc = Locs.StartLoc; |
16928 | SourceLocation LParenLoc = Locs.LParenLoc; |
16929 | SourceLocation EndLoc = Locs.EndLoc; |
16930 | OMPClause *Res = nullptr; |
16931 | switch (Kind) { |
16932 | case OMPC_private: |
16933 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
16934 | break; |
16935 | case OMPC_firstprivate: |
16936 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
16937 | break; |
16938 | case OMPC_lastprivate: |
16939 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown &&(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && "Unexpected lastprivate modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && \"Unexpected lastprivate modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16940, __extension__ __PRETTY_FUNCTION__ )) |
16940 | "Unexpected lastprivate modifier.")(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && "Unexpected lastprivate modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && \"Unexpected lastprivate modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16940, __extension__ __PRETTY_FUNCTION__ )); |
16941 | Res = ActOnOpenMPLastprivateClause( |
16942 | VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier), |
16943 | ExtraModifierLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); |
16944 | break; |
16945 | case OMPC_shared: |
16946 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); |
16947 | break; |
16948 | case OMPC_reduction: |
16949 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown &&(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && "Unexpected lastprivate modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && \"Unexpected lastprivate modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16950, __extension__ __PRETTY_FUNCTION__ )) |
16950 | "Unexpected lastprivate modifier.")(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && "Unexpected lastprivate modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown && \"Unexpected lastprivate modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16950, __extension__ __PRETTY_FUNCTION__ )); |
16951 | Res = ActOnOpenMPReductionClause( |
16952 | VarList, static_cast<OpenMPReductionClauseModifier>(ExtraModifier), |
16953 | StartLoc, LParenLoc, ExtraModifierLoc, ColonLoc, EndLoc, |
16954 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId); |
16955 | break; |
16956 | case OMPC_task_reduction: |
16957 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, |
16958 | EndLoc, ReductionOrMapperIdScopeSpec, |
16959 | ReductionOrMapperId); |
16960 | break; |
16961 | case OMPC_in_reduction: |
16962 | Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, |
16963 | EndLoc, ReductionOrMapperIdScopeSpec, |
16964 | ReductionOrMapperId); |
16965 | break; |
16966 | case OMPC_linear: |
16967 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown &&(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16968, __extension__ __PRETTY_FUNCTION__ )) |
16968 | "Unexpected linear modifier.")(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16968, __extension__ __PRETTY_FUNCTION__ )); |
16969 | Res = ActOnOpenMPLinearClause( |
16970 | VarList, DepModOrTailExpr, StartLoc, LParenLoc, |
16971 | static_cast<OpenMPLinearClauseKind>(ExtraModifier), ExtraModifierLoc, |
16972 | ColonLoc, EndLoc); |
16973 | break; |
16974 | case OMPC_aligned: |
16975 | Res = ActOnOpenMPAlignedClause(VarList, DepModOrTailExpr, StartLoc, |
16976 | LParenLoc, ColonLoc, EndLoc); |
16977 | break; |
16978 | case OMPC_copyin: |
16979 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); |
16980 | break; |
16981 | case OMPC_copyprivate: |
16982 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
16983 | break; |
16984 | case OMPC_flush: |
16985 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); |
16986 | break; |
16987 | case OMPC_depend: |
16988 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown &&(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && "Unexpected depend modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && \"Unexpected depend modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16989, __extension__ __PRETTY_FUNCTION__ )) |
16989 | "Unexpected depend modifier.")(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && "Unexpected depend modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && \"Unexpected depend modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16989, __extension__ __PRETTY_FUNCTION__ )); |
16990 | Res = ActOnOpenMPDependClause( |
16991 | DepModOrTailExpr, static_cast<OpenMPDependClauseKind>(ExtraModifier), |
16992 | ExtraModifierLoc, ColonLoc, VarList, StartLoc, LParenLoc, EndLoc); |
16993 | break; |
16994 | case OMPC_map: |
16995 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown &&(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && "Unexpected map modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && \"Unexpected map modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16996, __extension__ __PRETTY_FUNCTION__ )) |
16996 | "Unexpected map modifier.")(static_cast <bool> (0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && "Unexpected map modifier." ) ? void (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && \"Unexpected map modifier.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16996, __extension__ __PRETTY_FUNCTION__ )); |
16997 | Res = ActOnOpenMPMapClause( |
16998 | MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec, |
16999 | ReductionOrMapperId, static_cast<OpenMPMapClauseKind>(ExtraModifier), |
17000 | IsMapTypeImplicit, ExtraModifierLoc, ColonLoc, VarList, Locs); |
17001 | break; |
17002 | case OMPC_to: |
17003 | Res = ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc, |
17004 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId, |
17005 | ColonLoc, VarList, Locs); |
17006 | break; |
17007 | case OMPC_from: |
17008 | Res = ActOnOpenMPFromClause(MotionModifiers, MotionModifiersLoc, |
17009 | ReductionOrMapperIdScopeSpec, |
17010 | ReductionOrMapperId, ColonLoc, VarList, Locs); |
17011 | break; |
17012 | case OMPC_use_device_ptr: |
17013 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); |
17014 | break; |
17015 | case OMPC_use_device_addr: |
17016 | Res = ActOnOpenMPUseDeviceAddrClause(VarList, Locs); |
17017 | break; |
17018 | case OMPC_is_device_ptr: |
17019 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); |
17020 | break; |
17021 | case OMPC_has_device_addr: |
17022 | Res = ActOnOpenMPHasDeviceAddrClause(VarList, Locs); |
17023 | break; |
17024 | case OMPC_allocate: |
17025 | Res = ActOnOpenMPAllocateClause(DepModOrTailExpr, VarList, StartLoc, |
17026 | LParenLoc, ColonLoc, EndLoc); |
17027 | break; |
17028 | case OMPC_nontemporal: |
17029 | Res = ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, EndLoc); |
17030 | break; |
17031 | case OMPC_inclusive: |
17032 | Res = ActOnOpenMPInclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); |
17033 | break; |
17034 | case OMPC_exclusive: |
17035 | Res = ActOnOpenMPExclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); |
17036 | break; |
17037 | case OMPC_affinity: |
17038 | Res = ActOnOpenMPAffinityClause(StartLoc, LParenLoc, ColonLoc, EndLoc, |
17039 | DepModOrTailExpr, VarList); |
17040 | break; |
17041 | case OMPC_if: |
17042 | case OMPC_depobj: |
17043 | case OMPC_final: |
17044 | case OMPC_num_threads: |
17045 | case OMPC_safelen: |
17046 | case OMPC_simdlen: |
17047 | case OMPC_sizes: |
17048 | case OMPC_allocator: |
17049 | case OMPC_collapse: |
17050 | case OMPC_default: |
17051 | case OMPC_proc_bind: |
17052 | case OMPC_schedule: |
17053 | case OMPC_ordered: |
17054 | case OMPC_nowait: |
17055 | case OMPC_untied: |
17056 | case OMPC_mergeable: |
17057 | case OMPC_threadprivate: |
17058 | case OMPC_read: |
17059 | case OMPC_write: |
17060 | case OMPC_update: |
17061 | case OMPC_capture: |
17062 | case OMPC_compare: |
17063 | case OMPC_seq_cst: |
17064 | case OMPC_acq_rel: |
17065 | case OMPC_acquire: |
17066 | case OMPC_release: |
17067 | case OMPC_relaxed: |
17068 | case OMPC_device: |
17069 | case OMPC_threads: |
17070 | case OMPC_simd: |
17071 | case OMPC_num_teams: |
17072 | case OMPC_thread_limit: |
17073 | case OMPC_priority: |
17074 | case OMPC_grainsize: |
17075 | case OMPC_nogroup: |
17076 | case OMPC_num_tasks: |
17077 | case OMPC_hint: |
17078 | case OMPC_dist_schedule: |
17079 | case OMPC_defaultmap: |
17080 | case OMPC_unknown: |
17081 | case OMPC_uniform: |
17082 | case OMPC_unified_address: |
17083 | case OMPC_unified_shared_memory: |
17084 | case OMPC_reverse_offload: |
17085 | case OMPC_dynamic_allocators: |
17086 | case OMPC_atomic_default_mem_order: |
17087 | case OMPC_device_type: |
17088 | case OMPC_match: |
17089 | case OMPC_order: |
17090 | case OMPC_destroy: |
17091 | case OMPC_novariants: |
17092 | case OMPC_nocontext: |
17093 | case OMPC_detach: |
17094 | case OMPC_uses_allocators: |
17095 | case OMPC_when: |
17096 | case OMPC_bind: |
17097 | default: |
17098 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 17098); |
17099 | } |
17100 | return Res; |
17101 | } |
17102 | |
17103 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, |
17104 | ExprObjectKind OK, SourceLocation Loc) { |
17105 | ExprResult Res = BuildDeclRefExpr( |
17106 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); |
17107 | if (!Res.isUsable()) |
17108 | return ExprError(); |
17109 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { |
17110 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); |
17111 | if (!Res.isUsable()) |
17112 | return ExprError(); |
17113 | } |
17114 | if (VK != VK_LValue && Res.get()->isGLValue()) { |
17115 | Res = DefaultLvalueConversion(Res.get()); |
17116 | if (!Res.isUsable()) |
17117 | return ExprError(); |
17118 | } |
17119 | return Res; |
17120 | } |
17121 | |
17122 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, |
17123 | SourceLocation StartLoc, |
17124 | SourceLocation LParenLoc, |
17125 | SourceLocation EndLoc) { |
17126 | SmallVector<Expr *, 8> Vars; |
17127 | SmallVector<Expr *, 8> PrivateCopies; |
17128 | for (Expr *RefExpr : VarList) { |
17129 | assert(RefExpr && "NULL expr in OpenMP private clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP private clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17129, __extension__ __PRETTY_FUNCTION__ )); |
17130 | SourceLocation ELoc; |
17131 | SourceRange ERange; |
17132 | Expr *SimpleRefExpr = RefExpr; |
17133 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
17134 | if (Res.second) { |
17135 | // It will be analyzed later. |
17136 | Vars.push_back(RefExpr); |
17137 | PrivateCopies.push_back(nullptr); |
17138 | } |
17139 | ValueDecl *D = Res.first; |
17140 | if (!D) |
17141 | continue; |
17142 | |
17143 | QualType Type = D->getType(); |
17144 | auto *VD = dyn_cast<VarDecl>(D); |
17145 | |
17146 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
17147 | // A variable that appears in a private clause must not have an incomplete |
17148 | // type or a reference type. |
17149 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) |
17150 | continue; |
17151 | Type = Type.getNonReferenceType(); |
17152 | |
17153 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
17154 | // A variable that is privatized must not have a const-qualified type |
17155 | // unless it is of class type with a mutable member. This restriction does |
17156 | // not apply to the firstprivate clause. |
17157 | // |
17158 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] |
17159 | // A variable that appears in a private clause must not have a |
17160 | // const-qualified type unless it is of class type with a mutable member. |
17161 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) |
17162 | continue; |
17163 | |
17164 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
17165 | // in a Construct] |
17166 | // Variables with the predetermined data-sharing attributes may not be |
17167 | // listed in data-sharing attributes clauses, except for the cases |
17168 | // listed below. For these exceptions only, listing a predetermined |
17169 | // variable in a data-sharing attribute clause is allowed and overrides |
17170 | // the variable's predetermined data-sharing attributes. |
17171 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
17172 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { |
17173 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
17174 | << getOpenMPClauseName(OMPC_private); |
17175 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17176 | continue; |
17177 | } |
17178 | |
17179 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
17180 | // Variably modified types are not supported for tasks. |
17181 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && |
17182 | isOpenMPTaskingDirective(CurrDir)) { |
17183 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
17184 | << getOpenMPClauseName(OMPC_private) << Type |
17185 | << getOpenMPDirectiveName(CurrDir); |
17186 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
17187 | VarDecl::DeclarationOnly; |
17188 | Diag(D->getLocation(), |
17189 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17190 | << D; |
17191 | continue; |
17192 | } |
17193 | |
17194 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
17195 | // A list item cannot appear in both a map clause and a data-sharing |
17196 | // attribute clause on the same construct |
17197 | // |
17198 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
17199 | // A list item cannot appear in both a map clause and a data-sharing |
17200 | // attribute clause on the same construct unless the construct is a |
17201 | // combined construct. |
17202 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || |
17203 | CurrDir == OMPD_target) { |
17204 | OpenMPClauseKind ConflictKind; |
17205 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
17206 | VD, /*CurrentRegionOnly=*/true, |
17207 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
17208 | OpenMPClauseKind WhereFoundClauseKind) -> bool { |
17209 | ConflictKind = WhereFoundClauseKind; |
17210 | return true; |
17211 | })) { |
17212 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
17213 | << getOpenMPClauseName(OMPC_private) |
17214 | << getOpenMPClauseName(ConflictKind) |
17215 | << getOpenMPDirectiveName(CurrDir); |
17216 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17217 | continue; |
17218 | } |
17219 | } |
17220 | |
17221 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] |
17222 | // A variable of class type (or array thereof) that appears in a private |
17223 | // clause requires an accessible, unambiguous default constructor for the |
17224 | // class type. |
17225 | // Generate helper private variable and initialize it with the default |
17226 | // value. The address of the original variable is replaced by the address of |
17227 | // the new private variable in CodeGen. This new variable is not added to |
17228 | // IdResolver, so the code in the OpenMP region uses original variable for |
17229 | // proper diagnostics. |
17230 | Type = Type.getUnqualifiedType(); |
17231 | VarDecl *VDPrivate = |
17232 | buildVarDecl(*this, ELoc, Type, D->getName(), |
17233 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
17234 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
17235 | ActOnUninitializedDecl(VDPrivate); |
17236 | if (VDPrivate->isInvalidDecl()) |
17237 | continue; |
17238 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
17239 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); |
17240 | |
17241 | DeclRefExpr *Ref = nullptr; |
17242 | if (!VD && !CurContext->isDependentContext()) |
17243 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
17244 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); |
17245 | Vars.push_back((VD || CurContext->isDependentContext()) |
17246 | ? RefExpr->IgnoreParens() |
17247 | : Ref); |
17248 | PrivateCopies.push_back(VDPrivateRefExpr); |
17249 | } |
17250 | |
17251 | if (Vars.empty()) |
17252 | return nullptr; |
17253 | |
17254 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, |
17255 | PrivateCopies); |
17256 | } |
17257 | |
17258 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, |
17259 | SourceLocation StartLoc, |
17260 | SourceLocation LParenLoc, |
17261 | SourceLocation EndLoc) { |
17262 | SmallVector<Expr *, 8> Vars; |
17263 | SmallVector<Expr *, 8> PrivateCopies; |
17264 | SmallVector<Expr *, 8> Inits; |
17265 | SmallVector<Decl *, 4> ExprCaptures; |
17266 | bool IsImplicitClause = |
17267 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); |
17268 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); |
17269 | |
17270 | for (Expr *RefExpr : VarList) { |
17271 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP firstprivate clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP firstprivate clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17271, __extension__ __PRETTY_FUNCTION__ )); |
17272 | SourceLocation ELoc; |
17273 | SourceRange ERange; |
17274 | Expr *SimpleRefExpr = RefExpr; |
17275 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
17276 | if (Res.second) { |
17277 | // It will be analyzed later. |
17278 | Vars.push_back(RefExpr); |
17279 | PrivateCopies.push_back(nullptr); |
17280 | Inits.push_back(nullptr); |
17281 | } |
17282 | ValueDecl *D = Res.first; |
17283 | if (!D) |
17284 | continue; |
17285 | |
17286 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; |
17287 | QualType Type = D->getType(); |
17288 | auto *VD = dyn_cast<VarDecl>(D); |
17289 | |
17290 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
17291 | // A variable that appears in a private clause must not have an incomplete |
17292 | // type or a reference type. |
17293 | if (RequireCompleteType(ELoc, Type, |
17294 | diag::err_omp_firstprivate_incomplete_type)) |
17295 | continue; |
17296 | Type = Type.getNonReferenceType(); |
17297 | |
17298 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] |
17299 | // A variable of class type (or array thereof) that appears in a private |
17300 | // clause requires an accessible, unambiguous copy constructor for the |
17301 | // class type. |
17302 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); |
17303 | |
17304 | // If an implicit firstprivate variable found it was checked already. |
17305 | DSAStackTy::DSAVarData TopDVar; |
17306 | if (!IsImplicitClause) { |
17307 | DSAStackTy::DSAVarData DVar = |
17308 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
17309 | TopDVar = DVar; |
17310 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
17311 | bool IsConstant = ElemType.isConstant(Context); |
17312 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] |
17313 | // A list item that specifies a given variable may not appear in more |
17314 | // than one clause on the same directive, except that a variable may be |
17315 | // specified in both firstprivate and lastprivate clauses. |
17316 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] |
17317 | // A list item may appear in a firstprivate or lastprivate clause but not |
17318 | // both. |
17319 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && |
17320 | (isOpenMPDistributeDirective(CurrDir) || |
17321 | DVar.CKind != OMPC_lastprivate) && |
17322 | DVar.RefExpr) { |
17323 | Diag(ELoc, diag::err_omp_wrong_dsa) |
17324 | << getOpenMPClauseName(DVar.CKind) |
17325 | << getOpenMPClauseName(OMPC_firstprivate); |
17326 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17327 | continue; |
17328 | } |
17329 | |
17330 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
17331 | // in a Construct] |
17332 | // Variables with the predetermined data-sharing attributes may not be |
17333 | // listed in data-sharing attributes clauses, except for the cases |
17334 | // listed below. For these exceptions only, listing a predetermined |
17335 | // variable in a data-sharing attribute clause is allowed and overrides |
17336 | // the variable's predetermined data-sharing attributes. |
17337 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
17338 | // in a Construct, C/C++, p.2] |
17339 | // Variables with const-qualified type having no mutable member may be |
17340 | // listed in a firstprivate clause, even if they are static data members. |
17341 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && |
17342 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { |
17343 | Diag(ELoc, diag::err_omp_wrong_dsa) |
17344 | << getOpenMPClauseName(DVar.CKind) |
17345 | << getOpenMPClauseName(OMPC_firstprivate); |
17346 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17347 | continue; |
17348 | } |
17349 | |
17350 | // OpenMP [2.9.3.4, Restrictions, p.2] |
17351 | // A list item that is private within a parallel region must not appear |
17352 | // in a firstprivate clause on a worksharing construct if any of the |
17353 | // worksharing regions arising from the worksharing construct ever bind |
17354 | // to any of the parallel regions arising from the parallel construct. |
17355 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] |
17356 | // A list item that is private within a teams region must not appear in a |
17357 | // firstprivate clause on a distribute construct if any of the distribute |
17358 | // regions arising from the distribute construct ever bind to any of the |
17359 | // teams regions arising from the teams construct. |
17360 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] |
17361 | // A list item that appears in a reduction clause of a teams construct |
17362 | // must not appear in a firstprivate clause on a distribute construct if |
17363 | // any of the distribute regions arising from the distribute construct |
17364 | // ever bind to any of the teams regions arising from the teams construct. |
17365 | if ((isOpenMPWorksharingDirective(CurrDir) || |
17366 | isOpenMPDistributeDirective(CurrDir)) && |
17367 | !isOpenMPParallelDirective(CurrDir) && |
17368 | !isOpenMPTeamsDirective(CurrDir)) { |
17369 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); |
17370 | if (DVar.CKind != OMPC_shared && |
17371 | (isOpenMPParallelDirective(DVar.DKind) || |
17372 | isOpenMPTeamsDirective(DVar.DKind) || |
17373 | DVar.DKind == OMPD_unknown)) { |
17374 | Diag(ELoc, diag::err_omp_required_access) |
17375 | << getOpenMPClauseName(OMPC_firstprivate) |
17376 | << getOpenMPClauseName(OMPC_shared); |
17377 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17378 | continue; |
17379 | } |
17380 | } |
17381 | // OpenMP [2.9.3.4, Restrictions, p.3] |
17382 | // A list item that appears in a reduction clause of a parallel construct |
17383 | // must not appear in a firstprivate clause on a worksharing or task |
17384 | // construct if any of the worksharing or task regions arising from the |
17385 | // worksharing or task construct ever bind to any of the parallel regions |
17386 | // arising from the parallel construct. |
17387 | // OpenMP [2.9.3.4, Restrictions, p.4] |
17388 | // A list item that appears in a reduction clause in worksharing |
17389 | // construct must not appear in a firstprivate clause in a task construct |
17390 | // encountered during execution of any of the worksharing regions arising |
17391 | // from the worksharing construct. |
17392 | if (isOpenMPTaskingDirective(CurrDir)) { |
17393 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( |
17394 | D, |
17395 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
17396 | return C == OMPC_reduction && !AppliedToPointee; |
17397 | }, |
17398 | [](OpenMPDirectiveKind K) { |
17399 | return isOpenMPParallelDirective(K) || |
17400 | isOpenMPWorksharingDirective(K) || |
17401 | isOpenMPTeamsDirective(K); |
17402 | }, |
17403 | /*FromParent=*/true); |
17404 | if (DVar.CKind == OMPC_reduction && |
17405 | (isOpenMPParallelDirective(DVar.DKind) || |
17406 | isOpenMPWorksharingDirective(DVar.DKind) || |
17407 | isOpenMPTeamsDirective(DVar.DKind))) { |
17408 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) |
17409 | << getOpenMPDirectiveName(DVar.DKind); |
17410 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17411 | continue; |
17412 | } |
17413 | } |
17414 | |
17415 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
17416 | // A list item cannot appear in both a map clause and a data-sharing |
17417 | // attribute clause on the same construct |
17418 | // |
17419 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
17420 | // A list item cannot appear in both a map clause and a data-sharing |
17421 | // attribute clause on the same construct unless the construct is a |
17422 | // combined construct. |
17423 | if ((LangOpts.OpenMP <= 45 && |
17424 | isOpenMPTargetExecutionDirective(CurrDir)) || |
17425 | CurrDir == OMPD_target) { |
17426 | OpenMPClauseKind ConflictKind; |
17427 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
17428 | VD, /*CurrentRegionOnly=*/true, |
17429 | [&ConflictKind]( |
17430 | OMPClauseMappableExprCommon::MappableExprComponentListRef, |
17431 | OpenMPClauseKind WhereFoundClauseKind) { |
17432 | ConflictKind = WhereFoundClauseKind; |
17433 | return true; |
17434 | })) { |
17435 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
17436 | << getOpenMPClauseName(OMPC_firstprivate) |
17437 | << getOpenMPClauseName(ConflictKind) |
17438 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
17439 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17440 | continue; |
17441 | } |
17442 | } |
17443 | } |
17444 | |
17445 | // Variably modified types are not supported for tasks. |
17446 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && |
17447 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
17448 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
17449 | << getOpenMPClauseName(OMPC_firstprivate) << Type |
17450 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
17451 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
17452 | VarDecl::DeclarationOnly; |
17453 | Diag(D->getLocation(), |
17454 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17455 | << D; |
17456 | continue; |
17457 | } |
17458 | |
17459 | Type = Type.getUnqualifiedType(); |
17460 | VarDecl *VDPrivate = |
17461 | buildVarDecl(*this, ELoc, Type, D->getName(), |
17462 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
17463 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
17464 | // Generate helper private variable and initialize it with the value of the |
17465 | // original variable. The address of the original variable is replaced by |
17466 | // the address of the new private variable in the CodeGen. This new variable |
17467 | // is not added to IdResolver, so the code in the OpenMP region uses |
17468 | // original variable for proper diagnostics and variable capturing. |
17469 | Expr *VDInitRefExpr = nullptr; |
17470 | // For arrays generate initializer for single element and replace it by the |
17471 | // original array element in CodeGen. |
17472 | if (Type->isArrayType()) { |
17473 | VarDecl *VDInit = |
17474 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); |
17475 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); |
17476 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); |
17477 | ElemType = ElemType.getUnqualifiedType(); |
17478 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, |
17479 | ".firstprivate.temp"); |
17480 | InitializedEntity Entity = |
17481 | InitializedEntity::InitializeVariable(VDInitTemp); |
17482 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); |
17483 | |
17484 | InitializationSequence InitSeq(*this, Entity, Kind, Init); |
17485 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); |
17486 | if (Result.isInvalid()) |
17487 | VDPrivate->setInvalidDecl(); |
17488 | else |
17489 | VDPrivate->setInit(Result.getAs<Expr>()); |
17490 | // Remove temp variable declaration. |
17491 | Context.Deallocate(VDInitTemp); |
17492 | } else { |
17493 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, |
17494 | ".firstprivate.temp"); |
17495 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), |
17496 | RefExpr->getExprLoc()); |
17497 | AddInitializerToDecl(VDPrivate, |
17498 | DefaultLvalueConversion(VDInitRefExpr).get(), |
17499 | /*DirectInit=*/false); |
17500 | } |
17501 | if (VDPrivate->isInvalidDecl()) { |
17502 | if (IsImplicitClause) { |
17503 | Diag(RefExpr->getExprLoc(), |
17504 | diag::note_omp_task_predetermined_firstprivate_here); |
17505 | } |
17506 | continue; |
17507 | } |
17508 | CurContext->addDecl(VDPrivate); |
17509 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
17510 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), |
17511 | RefExpr->getExprLoc()); |
17512 | DeclRefExpr *Ref = nullptr; |
17513 | if (!VD && !CurContext->isDependentContext()) { |
17514 | if (TopDVar.CKind == OMPC_lastprivate) { |
17515 | Ref = TopDVar.PrivateCopy; |
17516 | } else { |
17517 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
17518 | if (!isOpenMPCapturedDecl(D)) |
17519 | ExprCaptures.push_back(Ref->getDecl()); |
17520 | } |
17521 | } |
17522 | if (!IsImplicitClause) |
17523 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
17524 | Vars.push_back((VD || CurContext->isDependentContext()) |
17525 | ? RefExpr->IgnoreParens() |
17526 | : Ref); |
17527 | PrivateCopies.push_back(VDPrivateRefExpr); |
17528 | Inits.push_back(VDInitRefExpr); |
17529 | } |
17530 | |
17531 | if (Vars.empty()) |
17532 | return nullptr; |
17533 | |
17534 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
17535 | Vars, PrivateCopies, Inits, |
17536 | buildPreInits(Context, ExprCaptures)); |
17537 | } |
17538 | |
17539 | OMPClause *Sema::ActOnOpenMPLastprivateClause( |
17540 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, |
17541 | SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc, |
17542 | SourceLocation LParenLoc, SourceLocation EndLoc) { |
17543 | if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) { |
17544 | assert(ColonLoc.isValid() && "Colon location must be valid.")(static_cast <bool> (ColonLoc.isValid() && "Colon location must be valid." ) ? void (0) : __assert_fail ("ColonLoc.isValid() && \"Colon location must be valid.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17544, __extension__ __PRETTY_FUNCTION__ )); |
17545 | Diag(LPKindLoc, diag::err_omp_unexpected_clause_value) |
17546 | << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0, |
17547 | /*Last=*/OMPC_LASTPRIVATE_unknown) |
17548 | << getOpenMPClauseName(OMPC_lastprivate); |
17549 | return nullptr; |
17550 | } |
17551 | |
17552 | SmallVector<Expr *, 8> Vars; |
17553 | SmallVector<Expr *, 8> SrcExprs; |
17554 | SmallVector<Expr *, 8> DstExprs; |
17555 | SmallVector<Expr *, 8> AssignmentOps; |
17556 | SmallVector<Decl *, 4> ExprCaptures; |
17557 | SmallVector<Expr *, 4> ExprPostUpdates; |
17558 | for (Expr *RefExpr : VarList) { |
17559 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17559, __extension__ __PRETTY_FUNCTION__ )); |
17560 | SourceLocation ELoc; |
17561 | SourceRange ERange; |
17562 | Expr *SimpleRefExpr = RefExpr; |
17563 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
17564 | if (Res.second) { |
17565 | // It will be analyzed later. |
17566 | Vars.push_back(RefExpr); |
17567 | SrcExprs.push_back(nullptr); |
17568 | DstExprs.push_back(nullptr); |
17569 | AssignmentOps.push_back(nullptr); |
17570 | } |
17571 | ValueDecl *D = Res.first; |
17572 | if (!D) |
17573 | continue; |
17574 | |
17575 | QualType Type = D->getType(); |
17576 | auto *VD = dyn_cast<VarDecl>(D); |
17577 | |
17578 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] |
17579 | // A variable that appears in a lastprivate clause must not have an |
17580 | // incomplete type or a reference type. |
17581 | if (RequireCompleteType(ELoc, Type, |
17582 | diag::err_omp_lastprivate_incomplete_type)) |
17583 | continue; |
17584 | Type = Type.getNonReferenceType(); |
17585 | |
17586 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
17587 | // A variable that is privatized must not have a const-qualified type |
17588 | // unless it is of class type with a mutable member. This restriction does |
17589 | // not apply to the firstprivate clause. |
17590 | // |
17591 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] |
17592 | // A variable that appears in a lastprivate clause must not have a |
17593 | // const-qualified type unless it is of class type with a mutable member. |
17594 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) |
17595 | continue; |
17596 | |
17597 | // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions] |
17598 | // A list item that appears in a lastprivate clause with the conditional |
17599 | // modifier must be a scalar variable. |
17600 | if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) { |
17601 | Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar); |
17602 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
17603 | VarDecl::DeclarationOnly; |
17604 | Diag(D->getLocation(), |
17605 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17606 | << D; |
17607 | continue; |
17608 | } |
17609 | |
17610 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
17611 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced |
17612 | // in a Construct] |
17613 | // Variables with the predetermined data-sharing attributes may not be |
17614 | // listed in data-sharing attributes clauses, except for the cases |
17615 | // listed below. |
17616 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] |
17617 | // A list item may appear in a firstprivate or lastprivate clause but not |
17618 | // both. |
17619 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
17620 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && |
17621 | (isOpenMPDistributeDirective(CurrDir) || |
17622 | DVar.CKind != OMPC_firstprivate) && |
17623 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { |
17624 | Diag(ELoc, diag::err_omp_wrong_dsa) |
17625 | << getOpenMPClauseName(DVar.CKind) |
17626 | << getOpenMPClauseName(OMPC_lastprivate); |
17627 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17628 | continue; |
17629 | } |
17630 | |
17631 | // OpenMP [2.14.3.5, Restrictions, p.2] |
17632 | // A list item that is private within a parallel region, or that appears in |
17633 | // the reduction clause of a parallel construct, must not appear in a |
17634 | // lastprivate clause on a worksharing construct if any of the corresponding |
17635 | // worksharing regions ever binds to any of the corresponding parallel |
17636 | // regions. |
17637 | DSAStackTy::DSAVarData TopDVar = DVar; |
17638 | if (isOpenMPWorksharingDirective(CurrDir) && |
17639 | !isOpenMPParallelDirective(CurrDir) && |
17640 | !isOpenMPTeamsDirective(CurrDir)) { |
17641 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); |
17642 | if (DVar.CKind != OMPC_shared) { |
17643 | Diag(ELoc, diag::err_omp_required_access) |
17644 | << getOpenMPClauseName(OMPC_lastprivate) |
17645 | << getOpenMPClauseName(OMPC_shared); |
17646 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17647 | continue; |
17648 | } |
17649 | } |
17650 | |
17651 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] |
17652 | // A variable of class type (or array thereof) that appears in a |
17653 | // lastprivate clause requires an accessible, unambiguous default |
17654 | // constructor for the class type, unless the list item is also specified |
17655 | // in a firstprivate clause. |
17656 | // A variable of class type (or array thereof) that appears in a |
17657 | // lastprivate clause requires an accessible, unambiguous copy assignment |
17658 | // operator for the class type. |
17659 | Type = Context.getBaseElementType(Type).getNonReferenceType(); |
17660 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), |
17661 | Type.getUnqualifiedType(), ".lastprivate.src", |
17662 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
17663 | DeclRefExpr *PseudoSrcExpr = |
17664 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); |
17665 | VarDecl *DstVD = |
17666 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", |
17667 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
17668 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); |
17669 | // For arrays generate assignment operation for single element and replace |
17670 | // it by the original array element in CodeGen. |
17671 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, |
17672 | PseudoDstExpr, PseudoSrcExpr); |
17673 | if (AssignmentOp.isInvalid()) |
17674 | continue; |
17675 | AssignmentOp = |
17676 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); |
17677 | if (AssignmentOp.isInvalid()) |
17678 | continue; |
17679 | |
17680 | DeclRefExpr *Ref = nullptr; |
17681 | if (!VD && !CurContext->isDependentContext()) { |
17682 | if (TopDVar.CKind == OMPC_firstprivate) { |
17683 | Ref = TopDVar.PrivateCopy; |
17684 | } else { |
17685 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
17686 | if (!isOpenMPCapturedDecl(D)) |
17687 | ExprCaptures.push_back(Ref->getDecl()); |
17688 | } |
17689 | if ((TopDVar.CKind == OMPC_firstprivate && !TopDVar.PrivateCopy) || |
17690 | (!isOpenMPCapturedDecl(D) && |
17691 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { |
17692 | ExprResult RefRes = DefaultLvalueConversion(Ref); |
17693 | if (!RefRes.isUsable()) |
17694 | continue; |
17695 | ExprResult PostUpdateRes = |
17696 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, |
17697 | RefRes.get()); |
17698 | if (!PostUpdateRes.isUsable()) |
17699 | continue; |
17700 | ExprPostUpdates.push_back( |
17701 | IgnoredValueConversions(PostUpdateRes.get()).get()); |
17702 | } |
17703 | } |
17704 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); |
17705 | Vars.push_back((VD || CurContext->isDependentContext()) |
17706 | ? RefExpr->IgnoreParens() |
17707 | : Ref); |
17708 | SrcExprs.push_back(PseudoSrcExpr); |
17709 | DstExprs.push_back(PseudoDstExpr); |
17710 | AssignmentOps.push_back(AssignmentOp.get()); |
17711 | } |
17712 | |
17713 | if (Vars.empty()) |
17714 | return nullptr; |
17715 | |
17716 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
17717 | Vars, SrcExprs, DstExprs, AssignmentOps, |
17718 | LPKind, LPKindLoc, ColonLoc, |
17719 | buildPreInits(Context, ExprCaptures), |
17720 | buildPostUpdate(*this, ExprPostUpdates)); |
17721 | } |
17722 | |
17723 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, |
17724 | SourceLocation StartLoc, |
17725 | SourceLocation LParenLoc, |
17726 | SourceLocation EndLoc) { |
17727 | SmallVector<Expr *, 8> Vars; |
17728 | for (Expr *RefExpr : VarList) { |
17729 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17729, __extension__ __PRETTY_FUNCTION__ )); |
17730 | SourceLocation ELoc; |
17731 | SourceRange ERange; |
17732 | Expr *SimpleRefExpr = RefExpr; |
17733 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
17734 | if (Res.second) { |
17735 | // It will be analyzed later. |
17736 | Vars.push_back(RefExpr); |
17737 | } |
17738 | ValueDecl *D = Res.first; |
17739 | if (!D) |
17740 | continue; |
17741 | |
17742 | auto *VD = dyn_cast<VarDecl>(D); |
17743 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
17744 | // in a Construct] |
17745 | // Variables with the predetermined data-sharing attributes may not be |
17746 | // listed in data-sharing attributes clauses, except for the cases |
17747 | // listed below. For these exceptions only, listing a predetermined |
17748 | // variable in a data-sharing attribute clause is allowed and overrides |
17749 | // the variable's predetermined data-sharing attributes. |
17750 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
17751 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && |
17752 | DVar.RefExpr) { |
17753 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
17754 | << getOpenMPClauseName(OMPC_shared); |
17755 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17756 | continue; |
17757 | } |
17758 | |
17759 | DeclRefExpr *Ref = nullptr; |
17760 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) |
17761 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
17762 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); |
17763 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) |
17764 | ? RefExpr->IgnoreParens() |
17765 | : Ref); |
17766 | } |
17767 | |
17768 | if (Vars.empty()) |
17769 | return nullptr; |
17770 | |
17771 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
17772 | } |
17773 | |
17774 | namespace { |
17775 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { |
17776 | DSAStackTy *Stack; |
17777 | |
17778 | public: |
17779 | bool VisitDeclRefExpr(DeclRefExpr *E) { |
17780 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
17781 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); |
17782 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) |
17783 | return false; |
17784 | if (DVar.CKind != OMPC_unknown) |
17785 | return true; |
17786 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( |
17787 | VD, |
17788 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
17789 | return isOpenMPPrivate(C) && !AppliedToPointee; |
17790 | }, |
17791 | [](OpenMPDirectiveKind) { return true; }, |
17792 | /*FromParent=*/true); |
17793 | return DVarPrivate.CKind != OMPC_unknown; |
17794 | } |
17795 | return false; |
17796 | } |
17797 | bool VisitStmt(Stmt *S) { |
17798 | for (Stmt *Child : S->children()) { |
17799 | if (Child && Visit(Child)) |
17800 | return true; |
17801 | } |
17802 | return false; |
17803 | } |
17804 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} |
17805 | }; |
17806 | } // namespace |
17807 | |
17808 | namespace { |
17809 | // Transform MemberExpression for specified FieldDecl of current class to |
17810 | // DeclRefExpr to specified OMPCapturedExprDecl. |
17811 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { |
17812 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; |
17813 | ValueDecl *Field = nullptr; |
17814 | DeclRefExpr *CapturedExpr = nullptr; |
17815 | |
17816 | public: |
17817 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) |
17818 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} |
17819 | |
17820 | ExprResult TransformMemberExpr(MemberExpr *E) { |
17821 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && |
17822 | E->getMemberDecl() == Field) { |
17823 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); |
17824 | return CapturedExpr; |
17825 | } |
17826 | return BaseTransform::TransformMemberExpr(E); |
17827 | } |
17828 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } |
17829 | }; |
17830 | } // namespace |
17831 | |
17832 | template <typename T, typename U> |
17833 | static T filterLookupForUDReductionAndMapper( |
17834 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { |
17835 | for (U &Set : Lookups) { |
17836 | for (auto *D : Set) { |
17837 | if (T Res = Gen(cast<ValueDecl>(D))) |
17838 | return Res; |
17839 | } |
17840 | } |
17841 | return T(); |
17842 | } |
17843 | |
17844 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { |
17845 | assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case")(static_cast <bool> (!LookupResult::isVisible(SemaRef, D ) && "not in slow case") ? void (0) : __assert_fail ( "!LookupResult::isVisible(SemaRef, D) && \"not in slow case\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17845, __extension__ __PRETTY_FUNCTION__ )); |
17846 | |
17847 | for (auto RD : D->redecls()) { |
17848 | // Don't bother with extra checks if we already know this one isn't visible. |
17849 | if (RD == D) |
17850 | continue; |
17851 | |
17852 | auto ND = cast<NamedDecl>(RD); |
17853 | if (LookupResult::isVisible(SemaRef, ND)) |
17854 | return ND; |
17855 | } |
17856 | |
17857 | return nullptr; |
17858 | } |
17859 | |
17860 | static void |
17861 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, |
17862 | SourceLocation Loc, QualType Ty, |
17863 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { |
17864 | // Find all of the associated namespaces and classes based on the |
17865 | // arguments we have. |
17866 | Sema::AssociatedNamespaceSet AssociatedNamespaces; |
17867 | Sema::AssociatedClassSet AssociatedClasses; |
17868 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); |
17869 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, |
17870 | AssociatedClasses); |
17871 | |
17872 | // C++ [basic.lookup.argdep]p3: |
17873 | // Let X be the lookup set produced by unqualified lookup (3.4.1) |
17874 | // and let Y be the lookup set produced by argument dependent |
17875 | // lookup (defined as follows). If X contains [...] then Y is |
17876 | // empty. Otherwise Y is the set of declarations found in the |
17877 | // namespaces associated with the argument types as described |
17878 | // below. The set of declarations found by the lookup of the name |
17879 | // is the union of X and Y. |
17880 | // |
17881 | // Here, we compute Y and add its members to the overloaded |
17882 | // candidate set. |
17883 | for (auto *NS : AssociatedNamespaces) { |
17884 | // When considering an associated namespace, the lookup is the |
17885 | // same as the lookup performed when the associated namespace is |
17886 | // used as a qualifier (3.4.3.2) except that: |
17887 | // |
17888 | // -- Any using-directives in the associated namespace are |
17889 | // ignored. |
17890 | // |
17891 | // -- Any namespace-scope friend functions declared in |
17892 | // associated classes are visible within their respective |
17893 | // namespaces even if they are not visible during an ordinary |
17894 | // lookup (11.4). |
17895 | DeclContext::lookup_result R = NS->lookup(Id.getName()); |
17896 | for (auto *D : R) { |
17897 | auto *Underlying = D; |
17898 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) |
17899 | Underlying = USD->getTargetDecl(); |
17900 | |
17901 | if (!isa<OMPDeclareReductionDecl>(Underlying) && |
17902 | !isa<OMPDeclareMapperDecl>(Underlying)) |
17903 | continue; |
17904 | |
17905 | if (!SemaRef.isVisible(D)) { |
17906 | D = findAcceptableDecl(SemaRef, D); |
17907 | if (!D) |
17908 | continue; |
17909 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) |
17910 | Underlying = USD->getTargetDecl(); |
17911 | } |
17912 | Lookups.emplace_back(); |
17913 | Lookups.back().addDecl(Underlying); |
17914 | } |
17915 | } |
17916 | } |
17917 | |
17918 | static ExprResult |
17919 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, |
17920 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, |
17921 | const DeclarationNameInfo &ReductionId, QualType Ty, |
17922 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { |
17923 | if (ReductionIdScopeSpec.isInvalid()) |
17924 | return ExprError(); |
17925 | SmallVector<UnresolvedSet<8>, 4> Lookups; |
17926 | if (S) { |
17927 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); |
17928 | Lookup.suppressDiagnostics(); |
17929 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { |
17930 | NamedDecl *D = Lookup.getRepresentativeDecl(); |
17931 | do { |
17932 | S = S->getParent(); |
17933 | } while (S && !S->isDeclScope(D)); |
17934 | if (S) |
17935 | S = S->getParent(); |
17936 | Lookups.emplace_back(); |
17937 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
17938 | Lookup.clear(); |
17939 | } |
17940 | } else if (auto *ULE = |
17941 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { |
17942 | Lookups.push_back(UnresolvedSet<8>()); |
17943 | Decl *PrevD = nullptr; |
17944 | for (NamedDecl *D : ULE->decls()) { |
17945 | if (D == PrevD) |
17946 | Lookups.push_back(UnresolvedSet<8>()); |
17947 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) |
17948 | Lookups.back().addDecl(DRD); |
17949 | PrevD = D; |
17950 | } |
17951 | } |
17952 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || |
17953 | Ty->isInstantiationDependentType() || |
17954 | Ty->containsUnexpandedParameterPack() || |
17955 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { |
17956 | return !D->isInvalidDecl() && |
17957 | (D->getType()->isDependentType() || |
17958 | D->getType()->isInstantiationDependentType() || |
17959 | D->getType()->containsUnexpandedParameterPack()); |
17960 | })) { |
17961 | UnresolvedSet<8> ResSet; |
17962 | for (const UnresolvedSet<8> &Set : Lookups) { |
17963 | if (Set.empty()) |
17964 | continue; |
17965 | ResSet.append(Set.begin(), Set.end()); |
17966 | // The last item marks the end of all declarations at the specified scope. |
17967 | ResSet.addDecl(Set[Set.size() - 1]); |
17968 | } |
17969 | return UnresolvedLookupExpr::Create( |
17970 | SemaRef.Context, /*NamingClass=*/nullptr, |
17971 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, |
17972 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); |
17973 | } |
17974 | // Lookup inside the classes. |
17975 | // C++ [over.match.oper]p3: |
17976 | // For a unary operator @ with an operand of a type whose |
17977 | // cv-unqualified version is T1, and for a binary operator @ with |
17978 | // a left operand of a type whose cv-unqualified version is T1 and |
17979 | // a right operand of a type whose cv-unqualified version is T2, |
17980 | // three sets of candidate functions, designated member |
17981 | // candidates, non-member candidates and built-in candidates, are |
17982 | // constructed as follows: |
17983 | // -- If T1 is a complete class type or a class currently being |
17984 | // defined, the set of member candidates is the result of the |
17985 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, |
17986 | // the set of member candidates is empty. |
17987 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); |
17988 | Lookup.suppressDiagnostics(); |
17989 | if (const auto *TyRec = Ty->getAs<RecordType>()) { |
17990 | // Complete the type if it can be completed. |
17991 | // If the type is neither complete nor being defined, bail out now. |
17992 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || |
17993 | TyRec->getDecl()->getDefinition()) { |
17994 | Lookup.clear(); |
17995 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); |
17996 | if (Lookup.empty()) { |
17997 | Lookups.emplace_back(); |
17998 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
17999 | } |
18000 | } |
18001 | } |
18002 | // Perform ADL. |
18003 | if (SemaRef.getLangOpts().CPlusPlus) |
18004 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); |
18005 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
18006 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { |
18007 | if (!D->isInvalidDecl() && |
18008 | SemaRef.Context.hasSameType(D->getType(), Ty)) |
18009 | return D; |
18010 | return nullptr; |
18011 | })) |
18012 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), |
18013 | VK_LValue, Loc); |
18014 | if (SemaRef.getLangOpts().CPlusPlus) { |
18015 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
18016 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { |
18017 | if (!D->isInvalidDecl() && |
18018 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && |
18019 | !Ty.isMoreQualifiedThan(D->getType())) |
18020 | return D; |
18021 | return nullptr; |
18022 | })) { |
18023 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, |
18024 | /*DetectVirtual=*/false); |
18025 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { |
18026 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( |
18027 | VD->getType().getUnqualifiedType()))) { |
18028 | if (SemaRef.CheckBaseClassAccess( |
18029 | Loc, VD->getType(), Ty, Paths.front(), |
18030 | /*DiagID=*/0) != Sema::AR_inaccessible) { |
18031 | SemaRef.BuildBasePathArray(Paths, BasePath); |
18032 | return SemaRef.BuildDeclRefExpr( |
18033 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); |
18034 | } |
18035 | } |
18036 | } |
18037 | } |
18038 | } |
18039 | if (ReductionIdScopeSpec.isSet()) { |
18040 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) |
18041 | << Ty << Range; |
18042 | return ExprError(); |
18043 | } |
18044 | return ExprEmpty(); |
18045 | } |
18046 | |
18047 | namespace { |
18048 | /// Data for the reduction-based clauses. |
18049 | struct ReductionData { |
18050 | /// List of original reduction items. |
18051 | SmallVector<Expr *, 8> Vars; |
18052 | /// List of private copies of the reduction items. |
18053 | SmallVector<Expr *, 8> Privates; |
18054 | /// LHS expressions for the reduction_op expressions. |
18055 | SmallVector<Expr *, 8> LHSs; |
18056 | /// RHS expressions for the reduction_op expressions. |
18057 | SmallVector<Expr *, 8> RHSs; |
18058 | /// Reduction operation expression. |
18059 | SmallVector<Expr *, 8> ReductionOps; |
18060 | /// inscan copy operation expressions. |
18061 | SmallVector<Expr *, 8> InscanCopyOps; |
18062 | /// inscan copy temp array expressions for prefix sums. |
18063 | SmallVector<Expr *, 8> InscanCopyArrayTemps; |
18064 | /// inscan copy temp array element expressions for prefix sums. |
18065 | SmallVector<Expr *, 8> InscanCopyArrayElems; |
18066 | /// Taskgroup descriptors for the corresponding reduction items in |
18067 | /// in_reduction clauses. |
18068 | SmallVector<Expr *, 8> TaskgroupDescriptors; |
18069 | /// List of captures for clause. |
18070 | SmallVector<Decl *, 4> ExprCaptures; |
18071 | /// List of postupdate expressions. |
18072 | SmallVector<Expr *, 4> ExprPostUpdates; |
18073 | /// Reduction modifier. |
18074 | unsigned RedModifier = 0; |
18075 | ReductionData() = delete; |
18076 | /// Reserves required memory for the reduction data. |
18077 | ReductionData(unsigned Size, unsigned Modifier = 0) : RedModifier(Modifier) { |
18078 | Vars.reserve(Size); |
18079 | Privates.reserve(Size); |
18080 | LHSs.reserve(Size); |
18081 | RHSs.reserve(Size); |
18082 | ReductionOps.reserve(Size); |
18083 | if (RedModifier == OMPC_REDUCTION_inscan) { |
18084 | InscanCopyOps.reserve(Size); |
18085 | InscanCopyArrayTemps.reserve(Size); |
18086 | InscanCopyArrayElems.reserve(Size); |
18087 | } |
18088 | TaskgroupDescriptors.reserve(Size); |
18089 | ExprCaptures.reserve(Size); |
18090 | ExprPostUpdates.reserve(Size); |
18091 | } |
18092 | /// Stores reduction item and reduction operation only (required for dependent |
18093 | /// reduction item). |
18094 | void push(Expr *Item, Expr *ReductionOp) { |
18095 | Vars.emplace_back(Item); |
18096 | Privates.emplace_back(nullptr); |
18097 | LHSs.emplace_back(nullptr); |
18098 | RHSs.emplace_back(nullptr); |
18099 | ReductionOps.emplace_back(ReductionOp); |
18100 | TaskgroupDescriptors.emplace_back(nullptr); |
18101 | if (RedModifier == OMPC_REDUCTION_inscan) { |
18102 | InscanCopyOps.push_back(nullptr); |
18103 | InscanCopyArrayTemps.push_back(nullptr); |
18104 | InscanCopyArrayElems.push_back(nullptr); |
18105 | } |
18106 | } |
18107 | /// Stores reduction data. |
18108 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, |
18109 | Expr *TaskgroupDescriptor, Expr *CopyOp, Expr *CopyArrayTemp, |
18110 | Expr *CopyArrayElem) { |
18111 | Vars.emplace_back(Item); |
18112 | Privates.emplace_back(Private); |
18113 | LHSs.emplace_back(LHS); |
18114 | RHSs.emplace_back(RHS); |
18115 | ReductionOps.emplace_back(ReductionOp); |
18116 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); |
18117 | if (RedModifier == OMPC_REDUCTION_inscan) { |
18118 | InscanCopyOps.push_back(CopyOp); |
18119 | InscanCopyArrayTemps.push_back(CopyArrayTemp); |
18120 | InscanCopyArrayElems.push_back(CopyArrayElem); |
18121 | } else { |
18122 | assert(CopyOp == nullptr && CopyArrayTemp == nullptr &&(static_cast <bool> (CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && "Copy operation must be used for inscan reductions only." ) ? void (0) : __assert_fail ("CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && \"Copy operation must be used for inscan reductions only.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 18124, __extension__ __PRETTY_FUNCTION__ )) |
18123 | CopyArrayElem == nullptr &&(static_cast <bool> (CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && "Copy operation must be used for inscan reductions only." ) ? void (0) : __assert_fail ("CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && \"Copy operation must be used for inscan reductions only.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 18124, __extension__ __PRETTY_FUNCTION__ )) |
18124 | "Copy operation must be used for inscan reductions only.")(static_cast <bool> (CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && "Copy operation must be used for inscan reductions only." ) ? void (0) : __assert_fail ("CopyOp == nullptr && CopyArrayTemp == nullptr && CopyArrayElem == nullptr && \"Copy operation must be used for inscan reductions only.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 18124, __extension__ __PRETTY_FUNCTION__ )); |
18125 | } |
18126 | } |
18127 | }; |
18128 | } // namespace |
18129 | |
18130 | static bool checkOMPArraySectionConstantForReduction( |
18131 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, |
18132 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { |
18133 | const Expr *Length = OASE->getLength(); |
18134 | if (Length == nullptr) { |
18135 | // For array sections of the form [1:] or [:], we would need to analyze |
18136 | // the lower bound... |
18137 | if (OASE->getColonLocFirst().isValid()) |
18138 | return false; |
18139 | |
18140 | // This is an array subscript which has implicit length 1! |
18141 | SingleElement = true; |
18142 | ArraySizes.push_back(llvm::APSInt::get(1)); |
18143 | } else { |
18144 | Expr::EvalResult Result; |
18145 | if (!Length->EvaluateAsInt(Result, Context)) |
18146 | return false; |
18147 | |
18148 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); |
18149 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); |
18150 | ArraySizes.push_back(ConstantLengthValue); |
18151 | } |
18152 | |
18153 | // Get the base of this array section and walk up from there. |
18154 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); |
18155 | |
18156 | // We require length = 1 for all array sections except the right-most to |
18157 | // guarantee that the memory region is contiguous and has no holes in it. |
18158 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { |
18159 | Length = TempOASE->getLength(); |
18160 | if (Length == nullptr) { |
18161 | // For array sections of the form [1:] or [:], we would need to analyze |
18162 | // the lower bound... |
18163 | if (OASE->getColonLocFirst().isValid()) |
18164 | return false; |
18165 | |
18166 | // This is an array subscript which has implicit length 1! |
18167 | ArraySizes.push_back(llvm::APSInt::get(1)); |
18168 | } else { |
18169 | Expr::EvalResult Result; |
18170 | if (!Length->EvaluateAsInt(Result, Context)) |
18171 | return false; |
18172 | |
18173 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); |
18174 | if (ConstantLengthValue.getSExtValue() != 1) |
18175 | return false; |
18176 | |
18177 | ArraySizes.push_back(ConstantLengthValue); |
18178 | } |
18179 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); |
18180 | } |
18181 | |
18182 | // If we have a single element, we don't need to add the implicit lengths. |
18183 | if (!SingleElement) { |
18184 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { |
18185 | // Has implicit length 1! |
18186 | ArraySizes.push_back(llvm::APSInt::get(1)); |
18187 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
18188 | } |
18189 | } |
18190 | |
18191 | // This array section can be privatized as a single value or as a constant |
18192 | // sized array. |
18193 | return true; |
18194 | } |
18195 | |
18196 | static BinaryOperatorKind |
18197 | getRelatedCompoundReductionOp(BinaryOperatorKind BOK) { |
18198 | if (BOK == BO_Add) |
18199 | return BO_AddAssign; |
18200 | if (BOK == BO_Mul) |
18201 | return BO_MulAssign; |
18202 | if (BOK == BO_And) |
18203 | return BO_AndAssign; |
18204 | if (BOK == BO_Or) |
18205 | return BO_OrAssign; |
18206 | if (BOK == BO_Xor) |
18207 | return BO_XorAssign; |
18208 | return BOK; |
18209 | } |
18210 | |
18211 | static bool actOnOMPReductionKindClause( |
18212 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, |
18213 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
18214 | SourceLocation ColonLoc, SourceLocation EndLoc, |
18215 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
18216 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { |
18217 | DeclarationName DN = ReductionId.getName(); |
18218 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); |
18219 | BinaryOperatorKind BOK = BO_Comma; |
18220 | |
18221 | ASTContext &Context = S.Context; |
18222 | // OpenMP [2.14.3.6, reduction clause] |
18223 | // C |
18224 | // reduction-identifier is either an identifier or one of the following |
18225 | // operators: +, -, *, &, |, ^, && and || |
18226 | // C++ |
18227 | // reduction-identifier is either an id-expression or one of the following |
18228 | // operators: +, -, *, &, |, ^, && and || |
18229 | switch (OOK) { |
18230 | case OO_Plus: |
18231 | case OO_Minus: |
18232 | BOK = BO_Add; |
18233 | break; |
18234 | case OO_Star: |
18235 | BOK = BO_Mul; |
18236 | break; |
18237 | case OO_Amp: |
18238 | BOK = BO_And; |
18239 | break; |
18240 | case OO_Pipe: |
18241 | BOK = BO_Or; |
18242 | break; |
18243 | case OO_Caret: |
18244 | BOK = BO_Xor; |
18245 | break; |
18246 | case OO_AmpAmp: |
18247 | BOK = BO_LAnd; |
18248 | break; |
18249 | case OO_PipePipe: |
18250 | BOK = BO_LOr; |
18251 | break; |
18252 | case OO_New: |
18253 | case OO_Delete: |
18254 | case OO_Array_New: |
18255 | case OO_Array_Delete: |
18256 | case OO_Slash: |
18257 | case OO_Percent: |
18258 | case OO_Tilde: |
18259 | case OO_Exclaim: |
18260 | case OO_Equal: |
18261 | case OO_Less: |
18262 | case OO_Greater: |
18263 | case OO_LessEqual: |
18264 | case OO_GreaterEqual: |
18265 | case OO_PlusEqual: |
18266 | case OO_MinusEqual: |
18267 | case OO_StarEqual: |
18268 | case OO_SlashEqual: |
18269 | case OO_PercentEqual: |
18270 | case OO_CaretEqual: |
18271 | case OO_AmpEqual: |
18272 | case OO_PipeEqual: |
18273 | case OO_LessLess: |
18274 | case OO_GreaterGreater: |
18275 | case OO_LessLessEqual: |
18276 | case OO_GreaterGreaterEqual: |
18277 | case OO_EqualEqual: |
18278 | case OO_ExclaimEqual: |
18279 | case OO_Spaceship: |
18280 | case OO_PlusPlus: |
18281 | case OO_MinusMinus: |
18282 | case OO_Comma: |
18283 | case OO_ArrowStar: |
18284 | case OO_Arrow: |
18285 | case OO_Call: |
18286 | case OO_Subscript: |
18287 | case OO_Conditional: |
18288 | case OO_Coawait: |
18289 | case NUM_OVERLOADED_OPERATORS: |
18290 | llvm_unreachable("Unexpected reduction identifier")::llvm::llvm_unreachable_internal("Unexpected reduction identifier" , "clang/lib/Sema/SemaOpenMP.cpp", 18290); |
18291 | case OO_None: |
18292 | if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { |
18293 | if (II->isStr("max")) |
18294 | BOK = BO_GT; |
18295 | else if (II->isStr("min")) |
18296 | BOK = BO_LT; |
18297 | } |
18298 | break; |
18299 | } |
18300 | SourceRange ReductionIdRange; |
18301 | if (ReductionIdScopeSpec.isValid()) |
18302 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); |
18303 | else |
18304 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); |
18305 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); |
18306 | |
18307 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); |
18308 | bool FirstIter = true; |
18309 | for (Expr *RefExpr : VarList) { |
18310 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")(static_cast <bool> (RefExpr && "nullptr expr in OpenMP reduction clause." ) ? void (0) : __assert_fail ("RefExpr && \"nullptr expr in OpenMP reduction clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 18310, __extension__ __PRETTY_FUNCTION__ )); |
18311 | // OpenMP [2.1, C/C++] |
18312 | // A list item is a variable or array section, subject to the restrictions |
18313 | // specified in Section 2.4 on page 42 and in each of the sections |
18314 | // describing clauses and directives for which a list appears. |
18315 | // OpenMP [2.14.3.3, Restrictions, p.1] |
18316 | // A variable that is part of another variable (as an array or |
18317 | // structure element) cannot appear in a private clause. |
18318 | if (!FirstIter && IR != ER) |
18319 | ++IR; |
18320 | FirstIter = false; |
18321 | SourceLocation ELoc; |
18322 | SourceRange ERange; |
18323 | Expr *SimpleRefExpr = RefExpr; |
18324 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
18325 | /*AllowArraySection=*/true); |
18326 | if (Res.second) { |
18327 | // Try to find 'declare reduction' corresponding construct before using |
18328 | // builtin/overloaded operators. |
18329 | QualType Type = Context.DependentTy; |
18330 | CXXCastPath BasePath; |
18331 | ExprResult DeclareReductionRef = buildDeclareReductionRef( |
18332 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, |
18333 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); |
18334 | Expr *ReductionOp = nullptr; |
18335 | if (S.CurContext->isDependentContext() && |
18336 | (DeclareReductionRef.isUnset() || |
18337 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) |
18338 | ReductionOp = DeclareReductionRef.get(); |
18339 | // It will be analyzed later. |
18340 | RD.push(RefExpr, ReductionOp); |
18341 | } |
18342 | ValueDecl *D = Res.first; |
18343 | if (!D) |
18344 | continue; |
18345 | |
18346 | Expr *TaskgroupDescriptor = nullptr; |
18347 | QualType Type; |
18348 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); |
18349 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); |
18350 | if (ASE) { |
18351 | Type = ASE->getType().getNonReferenceType(); |
18352 | } else if (OASE) { |
18353 | QualType BaseType = |
18354 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
18355 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
18356 | Type = ATy->getElementType(); |
18357 | else |
18358 | Type = BaseType->getPointeeType(); |
18359 | Type = Type.getNonReferenceType(); |
18360 | } else { |
18361 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); |
18362 | } |
18363 | auto *VD = dyn_cast<VarDecl>(D); |
18364 | |
18365 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
18366 | // A variable that appears in a private clause must not have an incomplete |
18367 | // type or a reference type. |
18368 | if (S.RequireCompleteType(ELoc, D->getType(), |
18369 | diag::err_omp_reduction_incomplete_type)) |
18370 | continue; |
18371 | // OpenMP [2.14.3.6, reduction clause, Restrictions] |
18372 | // A list item that appears in a reduction clause must not be |
18373 | // const-qualified. |
18374 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, |
18375 | /*AcceptIfMutable*/ false, ASE || OASE)) |
18376 | continue; |
18377 | |
18378 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); |
18379 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] |
18380 | // If a list-item is a reference type then it must bind to the same object |
18381 | // for all threads of the team. |
18382 | if (!ASE && !OASE) { |
18383 | if (VD) { |
18384 | VarDecl *VDDef = VD->getDefinition(); |
18385 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { |
18386 | DSARefChecker Check(Stack); |
18387 | if (Check.Visit(VDDef->getInit())) { |
18388 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) |
18389 | << getOpenMPClauseName(ClauseKind) << ERange; |
18390 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; |
18391 | continue; |
18392 | } |
18393 | } |
18394 | } |
18395 | |
18396 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced |
18397 | // in a Construct] |
18398 | // Variables with the predetermined data-sharing attributes may not be |
18399 | // listed in data-sharing attributes clauses, except for the cases |
18400 | // listed below. For these exceptions only, listing a predetermined |
18401 | // variable in a data-sharing attribute clause is allowed and overrides |
18402 | // the variable's predetermined data-sharing attributes. |
18403 | // OpenMP [2.14.3.6, Restrictions, p.3] |
18404 | // Any number of reduction clauses can be specified on the directive, |
18405 | // but a list item can appear only once in the reduction clauses for that |
18406 | // directive. |
18407 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); |
18408 | if (DVar.CKind == OMPC_reduction) { |
18409 | S.Diag(ELoc, diag::err_omp_once_referenced) |
18410 | << getOpenMPClauseName(ClauseKind); |
18411 | if (DVar.RefExpr) |
18412 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); |
18413 | continue; |
18414 | } |
18415 | if (DVar.CKind != OMPC_unknown) { |
18416 | S.Diag(ELoc, diag::err_omp_wrong_dsa) |
18417 | << getOpenMPClauseName(DVar.CKind) |
18418 | << getOpenMPClauseName(OMPC_reduction); |
18419 | reportOriginalDsa(S, Stack, D, DVar); |
18420 | continue; |
18421 | } |
18422 | |
18423 | // OpenMP [2.14.3.6, Restrictions, p.1] |
18424 | // A list item that appears in a reduction clause of a worksharing |
18425 | // construct must be shared in the parallel regions to which any of the |
18426 | // worksharing regions arising from the worksharing construct bind. |
18427 | if (isOpenMPWorksharingDirective(CurrDir) && |
18428 | !isOpenMPParallelDirective(CurrDir) && |
18429 | !isOpenMPTeamsDirective(CurrDir)) { |
18430 | DVar = Stack->getImplicitDSA(D, true); |
18431 | if (DVar.CKind != OMPC_shared) { |
18432 | S.Diag(ELoc, diag::err_omp_required_access) |
18433 | << getOpenMPClauseName(OMPC_reduction) |
18434 | << getOpenMPClauseName(OMPC_shared); |
18435 | reportOriginalDsa(S, Stack, D, DVar); |
18436 | continue; |
18437 | } |
18438 | } |
18439 | } else { |
18440 | // Threadprivates cannot be shared between threads, so dignose if the base |
18441 | // is a threadprivate variable. |
18442 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); |
18443 | if (DVar.CKind == OMPC_threadprivate) { |
18444 | S.Diag(ELoc, diag::err_omp_wrong_dsa) |
18445 | << getOpenMPClauseName(DVar.CKind) |
18446 | << getOpenMPClauseName(OMPC_reduction); |
18447 | reportOriginalDsa(S, Stack, D, DVar); |
18448 | continue; |
18449 | } |
18450 | } |
18451 | |
18452 | // Try to find 'declare reduction' corresponding construct before using |
18453 | // builtin/overloaded operators. |
18454 | CXXCastPath BasePath; |
18455 | ExprResult DeclareReductionRef = buildDeclareReductionRef( |
18456 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, |
18457 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); |
18458 | if (DeclareReductionRef.isInvalid()) |
18459 | continue; |
18460 | if (S.CurContext->isDependentContext() && |
18461 | (DeclareReductionRef.isUnset() || |
18462 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { |
18463 | RD.push(RefExpr, DeclareReductionRef.get()); |
18464 | continue; |
18465 | } |
18466 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { |
18467 | // Not allowed reduction identifier is found. |
18468 | S.Diag(ReductionId.getBeginLoc(), |
18469 | diag::err_omp_unknown_reduction_identifier) |
18470 | << Type << ReductionIdRange; |
18471 | continue; |
18472 | } |
18473 | |
18474 | // OpenMP [2.14.3.6, reduction clause, Restrictions] |
18475 | // The type of a list item that appears in a reduction clause must be valid |
18476 | // for the reduction-identifier. For a max or min reduction in C, the type |
18477 | // of the list item must be an allowed arithmetic data type: char, int, |
18478 | // float, double, or _Bool, possibly modified with long, short, signed, or |
18479 | // unsigned. For a max or min reduction in C++, the type of the list item |
18480 | // must be an allowed arithmetic data type: char, wchar_t, int, float, |
18481 | // double, or bool, possibly modified with long, short, signed, or unsigned. |
18482 | if (DeclareReductionRef.isUnset()) { |
18483 | if ((BOK == BO_GT || BOK == BO_LT) && |
18484 | !(Type->isScalarType() || |
18485 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { |
18486 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) |
18487 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; |
18488 | if (!ASE && !OASE) { |
18489 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
18490 | VarDecl::DeclarationOnly; |
18491 | S.Diag(D->getLocation(), |
18492 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
18493 | << D; |
18494 | } |
18495 | continue; |
18496 | } |
18497 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && |
18498 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { |
18499 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) |
18500 | << getOpenMPClauseName(ClauseKind); |
18501 | if (!ASE && !OASE) { |
18502 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
18503 | VarDecl::DeclarationOnly; |
18504 | S.Diag(D->getLocation(), |
18505 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
18506 | << D; |
18507 | } |
18508 | continue; |
18509 | } |
18510 | } |
18511 | |
18512 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); |
18513 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", |
18514 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18515 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), |
18516 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18517 | QualType PrivateTy = Type; |
18518 | |
18519 | // Try if we can determine constant lengths for all array sections and avoid |
18520 | // the VLA. |
18521 | bool ConstantLengthOASE = false; |
18522 | if (OASE) { |
18523 | bool SingleElement; |
18524 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; |
18525 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( |
18526 | Context, OASE, SingleElement, ArraySizes); |
18527 | |
18528 | // If we don't have a single element, we must emit a constant array type. |
18529 | if (ConstantLengthOASE && !SingleElement) { |
18530 | for (llvm::APSInt &Size : ArraySizes) |
18531 | PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr, |
18532 | ArrayType::Normal, |
18533 | /*IndexTypeQuals=*/0); |
18534 | } |
18535 | } |
18536 | |
18537 | if ((OASE && !ConstantLengthOASE) || |
18538 | (!OASE && !ASE && |
18539 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { |
18540 | if (!Context.getTargetInfo().isVLASupported()) { |
18541 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { |
18542 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; |
18543 | S.Diag(ELoc, diag::note_vla_unsupported); |
18544 | continue; |
18545 | } else { |
18546 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; |
18547 | S.targetDiag(ELoc, diag::note_vla_unsupported); |
18548 | } |
18549 | } |
18550 | // For arrays/array sections only: |
18551 | // Create pseudo array type for private copy. The size for this array will |
18552 | // be generated during codegen. |
18553 | // For array subscripts or single variables Private Ty is the same as Type |
18554 | // (type of the variable or single array element). |
18555 | PrivateTy = Context.getVariableArrayType( |
18556 | Type, |
18557 | new (Context) |
18558 | OpaqueValueExpr(ELoc, Context.getSizeType(), VK_PRValue), |
18559 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); |
18560 | } else if (!ASE && !OASE && |
18561 | Context.getAsArrayType(D->getType().getNonReferenceType())) { |
18562 | PrivateTy = D->getType().getNonReferenceType(); |
18563 | } |
18564 | // Private copy. |
18565 | VarDecl *PrivateVD = |
18566 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), |
18567 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
18568 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
18569 | // Add initializer for private variable. |
18570 | Expr *Init = nullptr; |
18571 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); |
18572 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); |
18573 | if (DeclareReductionRef.isUsable()) { |
18574 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); |
18575 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); |
18576 | if (DRD->getInitializer()) { |
18577 | Init = DRDRef; |
18578 | RHSVD->setInit(DRDRef); |
18579 | RHSVD->setInitStyle(VarDecl::CallInit); |
18580 | } |
18581 | } else { |
18582 | switch (BOK) { |
18583 | case BO_Add: |
18584 | case BO_Xor: |
18585 | case BO_Or: |
18586 | case BO_LOr: |
18587 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. |
18588 | if (Type->isScalarType() || Type->isAnyComplexType()) |
18589 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); |
18590 | break; |
18591 | case BO_Mul: |
18592 | case BO_LAnd: |
18593 | if (Type->isScalarType() || Type->isAnyComplexType()) { |
18594 | // '*' and '&&' reduction ops - initializer is '1'. |
18595 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); |
18596 | } |
18597 | break; |
18598 | case BO_And: { |
18599 | // '&' reduction op - initializer is '~0'. |
18600 | QualType OrigType = Type; |
18601 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) |
18602 | Type = ComplexTy->getElementType(); |
18603 | if (Type->isRealFloatingType()) { |
18604 | llvm::APFloat InitValue = llvm::APFloat::getAllOnesValue( |
18605 | Context.getFloatTypeSemantics(Type)); |
18606 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, |
18607 | Type, ELoc); |
18608 | } else if (Type->isScalarType()) { |
18609 | uint64_t Size = Context.getTypeSize(Type); |
18610 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); |
18611 | llvm::APInt InitValue = llvm::APInt::getAllOnes(Size); |
18612 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); |
18613 | } |
18614 | if (Init && OrigType->isAnyComplexType()) { |
18615 | // Init = 0xFFFF + 0xFFFFi; |
18616 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); |
18617 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); |
18618 | } |
18619 | Type = OrigType; |
18620 | break; |
18621 | } |
18622 | case BO_LT: |
18623 | case BO_GT: { |
18624 | // 'min' reduction op - initializer is 'Largest representable number in |
18625 | // the reduction list item type'. |
18626 | // 'max' reduction op - initializer is 'Least representable number in |
18627 | // the reduction list item type'. |
18628 | if (Type->isIntegerType() || Type->isPointerType()) { |
18629 | bool IsSigned = Type->hasSignedIntegerRepresentation(); |
18630 | uint64_t Size = Context.getTypeSize(Type); |
18631 | QualType IntTy = |
18632 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); |
18633 | llvm::APInt InitValue = |
18634 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) |
18635 | : llvm::APInt::getMinValue(Size) |
18636 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) |
18637 | : llvm::APInt::getMaxValue(Size); |
18638 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); |
18639 | if (Type->isPointerType()) { |
18640 | // Cast to pointer type. |
18641 | ExprResult CastExpr = S.BuildCStyleCastExpr( |
18642 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); |
18643 | if (CastExpr.isInvalid()) |
18644 | continue; |
18645 | Init = CastExpr.get(); |
18646 | } |
18647 | } else if (Type->isRealFloatingType()) { |
18648 | llvm::APFloat InitValue = llvm::APFloat::getLargest( |
18649 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); |
18650 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, |
18651 | Type, ELoc); |
18652 | } |
18653 | break; |
18654 | } |
18655 | case BO_PtrMemD: |
18656 | case BO_PtrMemI: |
18657 | case BO_MulAssign: |
18658 | case BO_Div: |
18659 | case BO_Rem: |
18660 | case BO_Sub: |
18661 | case BO_Shl: |
18662 | case BO_Shr: |
18663 | case BO_LE: |
18664 | case BO_GE: |
18665 | case BO_EQ: |
18666 | case BO_NE: |
18667 | case BO_Cmp: |
18668 | case BO_AndAssign: |
18669 | case BO_XorAssign: |
18670 | case BO_OrAssign: |
18671 | case BO_Assign: |
18672 | case BO_AddAssign: |
18673 | case BO_SubAssign: |
18674 | case BO_DivAssign: |
18675 | case BO_RemAssign: |
18676 | case BO_ShlAssign: |
18677 | case BO_ShrAssign: |
18678 | case BO_Comma: |
18679 | llvm_unreachable("Unexpected reduction operation")::llvm::llvm_unreachable_internal("Unexpected reduction operation" , "clang/lib/Sema/SemaOpenMP.cpp", 18679); |
18680 | } |
18681 | } |
18682 | if (Init && DeclareReductionRef.isUnset()) { |
18683 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); |
18684 | // Store initializer for single element in private copy. Will be used |
18685 | // during codegen. |
18686 | PrivateVD->setInit(RHSVD->getInit()); |
18687 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); |
18688 | } else if (!Init) { |
18689 | S.ActOnUninitializedDecl(RHSVD); |
18690 | // Store initializer for single element in private copy. Will be used |
18691 | // during codegen. |
18692 | PrivateVD->setInit(RHSVD->getInit()); |
18693 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); |
18694 | } |
18695 | if (RHSVD->isInvalidDecl()) |
18696 | continue; |
18697 | if (!RHSVD->hasInit() && DeclareReductionRef.isUnset()) { |
18698 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) |
18699 | << Type << ReductionIdRange; |
18700 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
18701 | VarDecl::DeclarationOnly; |
18702 | S.Diag(D->getLocation(), |
18703 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
18704 | << D; |
18705 | continue; |
18706 | } |
18707 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); |
18708 | ExprResult ReductionOp; |
18709 | if (DeclareReductionRef.isUsable()) { |
18710 | QualType RedTy = DeclareReductionRef.get()->getType(); |
18711 | QualType PtrRedTy = Context.getPointerType(RedTy); |
18712 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); |
18713 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); |
18714 | if (!BasePath.empty()) { |
18715 | LHS = S.DefaultLvalueConversion(LHS.get()); |
18716 | RHS = S.DefaultLvalueConversion(RHS.get()); |
18717 | LHS = ImplicitCastExpr::Create( |
18718 | Context, PtrRedTy, CK_UncheckedDerivedToBase, LHS.get(), &BasePath, |
18719 | LHS.get()->getValueKind(), FPOptionsOverride()); |
18720 | RHS = ImplicitCastExpr::Create( |
18721 | Context, PtrRedTy, CK_UncheckedDerivedToBase, RHS.get(), &BasePath, |
18722 | RHS.get()->getValueKind(), FPOptionsOverride()); |
18723 | } |
18724 | FunctionProtoType::ExtProtoInfo EPI; |
18725 | QualType Params[] = {PtrRedTy, PtrRedTy}; |
18726 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); |
18727 | auto *OVE = new (Context) OpaqueValueExpr( |
18728 | ELoc, Context.getPointerType(FnTy), VK_PRValue, OK_Ordinary, |
18729 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); |
18730 | Expr *Args[] = {LHS.get(), RHS.get()}; |
18731 | ReductionOp = |
18732 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_PRValue, ELoc, |
18733 | S.CurFPFeatureOverrides()); |
18734 | } else { |
18735 | BinaryOperatorKind CombBOK = getRelatedCompoundReductionOp(BOK); |
18736 | if (Type->isRecordType() && CombBOK != BOK) { |
18737 | Sema::TentativeAnalysisScope Trap(S); |
18738 | ReductionOp = |
18739 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
18740 | CombBOK, LHSDRE, RHSDRE); |
18741 | } |
18742 | if (!ReductionOp.isUsable()) { |
18743 | ReductionOp = |
18744 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, |
18745 | LHSDRE, RHSDRE); |
18746 | if (ReductionOp.isUsable()) { |
18747 | if (BOK != BO_LT && BOK != BO_GT) { |
18748 | ReductionOp = |
18749 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
18750 | BO_Assign, LHSDRE, ReductionOp.get()); |
18751 | } else { |
18752 | auto *ConditionalOp = new (Context) |
18753 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, |
18754 | RHSDRE, Type, VK_LValue, OK_Ordinary); |
18755 | ReductionOp = |
18756 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
18757 | BO_Assign, LHSDRE, ConditionalOp); |
18758 | } |
18759 | } |
18760 | } |
18761 | if (ReductionOp.isUsable()) |
18762 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), |
18763 | /*DiscardedValue*/ false); |
18764 | if (!ReductionOp.isUsable()) |
18765 | continue; |
18766 | } |
18767 | |
18768 | // Add copy operations for inscan reductions. |
18769 | // LHS = RHS; |
18770 | ExprResult CopyOpRes, TempArrayRes, TempArrayElem; |
18771 | if (ClauseKind == OMPC_reduction && |
18772 | RD.RedModifier == OMPC_REDUCTION_inscan) { |
18773 | ExprResult RHS = S.DefaultLvalueConversion(RHSDRE); |
18774 | CopyOpRes = S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, LHSDRE, |
18775 | RHS.get()); |
18776 | if (!CopyOpRes.isUsable()) |
18777 | continue; |
18778 | CopyOpRes = |
18779 | S.ActOnFinishFullExpr(CopyOpRes.get(), /*DiscardedValue=*/true); |
18780 | if (!CopyOpRes.isUsable()) |
18781 | continue; |
18782 | // For simd directive and simd-based directives in simd mode no need to |
18783 | // construct temp array, need just a single temp element. |
18784 | if (Stack->getCurrentDirective() == OMPD_simd || |
18785 | (S.getLangOpts().OpenMPSimd && |
18786 | isOpenMPSimdDirective(Stack->getCurrentDirective()))) { |
18787 | VarDecl *TempArrayVD = |
18788 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), |
18789 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18790 | // Add a constructor to the temp decl. |
18791 | S.ActOnUninitializedDecl(TempArrayVD); |
18792 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, PrivateTy, ELoc); |
18793 | } else { |
18794 | // Build temp array for prefix sum. |
18795 | auto *Dim = new (S.Context) |
18796 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); |
18797 | QualType ArrayTy = |
18798 | S.Context.getVariableArrayType(PrivateTy, Dim, ArrayType::Normal, |
18799 | /*IndexTypeQuals=*/0, {ELoc, ELoc}); |
18800 | VarDecl *TempArrayVD = |
18801 | buildVarDecl(S, ELoc, ArrayTy, D->getName(), |
18802 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18803 | // Add a constructor to the temp decl. |
18804 | S.ActOnUninitializedDecl(TempArrayVD); |
18805 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, ArrayTy, ELoc); |
18806 | TempArrayElem = |
18807 | S.DefaultFunctionArrayLvalueConversion(TempArrayRes.get()); |
18808 | auto *Idx = new (S.Context) |
18809 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); |
18810 | TempArrayElem = S.CreateBuiltinArraySubscriptExpr(TempArrayElem.get(), |
18811 | ELoc, Idx, ELoc); |
18812 | } |
18813 | } |
18814 | |
18815 | // OpenMP [2.15.4.6, Restrictions, p.2] |
18816 | // A list item that appears in an in_reduction clause of a task construct |
18817 | // must appear in a task_reduction clause of a construct associated with a |
18818 | // taskgroup region that includes the participating task in its taskgroup |
18819 | // set. The construct associated with the innermost region that meets this |
18820 | // condition must specify the same reduction-identifier as the in_reduction |
18821 | // clause. |
18822 | if (ClauseKind == OMPC_in_reduction) { |
18823 | SourceRange ParentSR; |
18824 | BinaryOperatorKind ParentBOK; |
18825 | const Expr *ParentReductionOp = nullptr; |
18826 | Expr *ParentBOKTD = nullptr, *ParentReductionOpTD = nullptr; |
18827 | DSAStackTy::DSAVarData ParentBOKDSA = |
18828 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, |
18829 | ParentBOKTD); |
18830 | DSAStackTy::DSAVarData ParentReductionOpDSA = |
18831 | Stack->getTopMostTaskgroupReductionData( |
18832 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); |
18833 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; |
18834 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; |
18835 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || |
18836 | (DeclareReductionRef.isUsable() && IsParentBOK) || |
18837 | (IsParentBOK && BOK != ParentBOK) || IsParentReductionOp) { |
18838 | bool EmitError = true; |
18839 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { |
18840 | llvm::FoldingSetNodeID RedId, ParentRedId; |
18841 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); |
18842 | DeclareReductionRef.get()->Profile(RedId, Context, |
18843 | /*Canonical=*/true); |
18844 | EmitError = RedId != ParentRedId; |
18845 | } |
18846 | if (EmitError) { |
18847 | S.Diag(ReductionId.getBeginLoc(), |
18848 | diag::err_omp_reduction_identifier_mismatch) |
18849 | << ReductionIdRange << RefExpr->getSourceRange(); |
18850 | S.Diag(ParentSR.getBegin(), |
18851 | diag::note_omp_previous_reduction_identifier) |
18852 | << ParentSR |
18853 | << (IsParentBOK ? ParentBOKDSA.RefExpr |
18854 | : ParentReductionOpDSA.RefExpr) |
18855 | ->getSourceRange(); |
18856 | continue; |
18857 | } |
18858 | } |
18859 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; |
18860 | } |
18861 | |
18862 | DeclRefExpr *Ref = nullptr; |
18863 | Expr *VarsExpr = RefExpr->IgnoreParens(); |
18864 | if (!VD && !S.CurContext->isDependentContext()) { |
18865 | if (ASE || OASE) { |
18866 | TransformExprToCaptures RebuildToCapture(S, D); |
18867 | VarsExpr = |
18868 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); |
18869 | Ref = RebuildToCapture.getCapturedExpr(); |
18870 | } else { |
18871 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); |
18872 | } |
18873 | if (!S.isOpenMPCapturedDecl(D)) { |
18874 | RD.ExprCaptures.emplace_back(Ref->getDecl()); |
18875 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { |
18876 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); |
18877 | if (!RefRes.isUsable()) |
18878 | continue; |
18879 | ExprResult PostUpdateRes = |
18880 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, |
18881 | RefRes.get()); |
18882 | if (!PostUpdateRes.isUsable()) |
18883 | continue; |
18884 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || |
18885 | Stack->getCurrentDirective() == OMPD_taskgroup) { |
18886 | S.Diag(RefExpr->getExprLoc(), |
18887 | diag::err_omp_reduction_non_addressable_expression) |
18888 | << RefExpr->getSourceRange(); |
18889 | continue; |
18890 | } |
18891 | RD.ExprPostUpdates.emplace_back( |
18892 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); |
18893 | } |
18894 | } |
18895 | } |
18896 | // All reduction items are still marked as reduction (to do not increase |
18897 | // code base size). |
18898 | unsigned Modifier = RD.RedModifier; |
18899 | // Consider task_reductions as reductions with task modifier. Required for |
18900 | // correct analysis of in_reduction clauses. |
18901 | if (CurrDir == OMPD_taskgroup && ClauseKind == OMPC_task_reduction) |
18902 | Modifier = OMPC_REDUCTION_task; |
18903 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref, Modifier, |
18904 | ASE || OASE); |
18905 | if (Modifier == OMPC_REDUCTION_task && |
18906 | (CurrDir == OMPD_taskgroup || |
18907 | ((isOpenMPParallelDirective(CurrDir) || |
18908 | isOpenMPWorksharingDirective(CurrDir)) && |
18909 | !isOpenMPSimdDirective(CurrDir)))) { |
18910 | if (DeclareReductionRef.isUsable()) |
18911 | Stack->addTaskgroupReductionData(D, ReductionIdRange, |
18912 | DeclareReductionRef.get()); |
18913 | else |
18914 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); |
18915 | } |
18916 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), |
18917 | TaskgroupDescriptor, CopyOpRes.get(), TempArrayRes.get(), |
18918 | TempArrayElem.get()); |
18919 | } |
18920 | return RD.Vars.empty(); |
18921 | } |
18922 | |
18923 | OMPClause *Sema::ActOnOpenMPReductionClause( |
18924 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, |
18925 | SourceLocation StartLoc, SourceLocation LParenLoc, |
18926 | SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, |
18927 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
18928 | ArrayRef<Expr *> UnresolvedReductions) { |
18929 | if (ModifierLoc.isValid() && Modifier == OMPC_REDUCTION_unknown) { |
18930 | Diag(LParenLoc, diag::err_omp_unexpected_clause_value) |
18931 | << getListOfPossibleValues(OMPC_reduction, /*First=*/0, |
18932 | /*Last=*/OMPC_REDUCTION_unknown) |
18933 | << getOpenMPClauseName(OMPC_reduction); |
18934 | return nullptr; |
18935 | } |
18936 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions |
18937 | // A reduction clause with the inscan reduction-modifier may only appear on a |
18938 | // worksharing-loop construct, a worksharing-loop SIMD construct, a simd |
18939 | // construct, a parallel worksharing-loop construct or a parallel |
18940 | // worksharing-loop SIMD construct. |
18941 | if (Modifier == OMPC_REDUCTION_inscan && |
18942 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for && |
18943 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for_simd && |
18944 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_simd && |
18945 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for && |
18946 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for_simd)) { |
18947 | Diag(ModifierLoc, diag::err_omp_wrong_inscan_reduction); |
18948 | return nullptr; |
18949 | } |
18950 | |
18951 | ReductionData RD(VarList.size(), Modifier); |
18952 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, |
18953 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
18954 | ReductionIdScopeSpec, ReductionId, |
18955 | UnresolvedReductions, RD)) |
18956 | return nullptr; |
18957 | |
18958 | return OMPReductionClause::Create( |
18959 | Context, StartLoc, LParenLoc, ModifierLoc, ColonLoc, EndLoc, Modifier, |
18960 | RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
18961 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.InscanCopyOps, |
18962 | RD.InscanCopyArrayTemps, RD.InscanCopyArrayElems, |
18963 | buildPreInits(Context, RD.ExprCaptures), |
18964 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
18965 | } |
18966 | |
18967 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( |
18968 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
18969 | SourceLocation ColonLoc, SourceLocation EndLoc, |
18970 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
18971 | ArrayRef<Expr *> UnresolvedReductions) { |
18972 | ReductionData RD(VarList.size()); |
18973 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, |
18974 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
18975 | ReductionIdScopeSpec, ReductionId, |
18976 | UnresolvedReductions, RD)) |
18977 | return nullptr; |
18978 | |
18979 | return OMPTaskReductionClause::Create( |
18980 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, |
18981 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
18982 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, |
18983 | buildPreInits(Context, RD.ExprCaptures), |
18984 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
18985 | } |
18986 | |
18987 | OMPClause *Sema::ActOnOpenMPInReductionClause( |
18988 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
18989 | SourceLocation ColonLoc, SourceLocation EndLoc, |
18990 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
18991 | ArrayRef<Expr *> UnresolvedReductions) { |
18992 | ReductionData RD(VarList.size()); |
18993 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, |
18994 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
18995 | ReductionIdScopeSpec, ReductionId, |
18996 | UnresolvedReductions, RD)) |
18997 | return nullptr; |
18998 | |
18999 | return OMPInReductionClause::Create( |
19000 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, |
19001 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
19002 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, |
19003 | buildPreInits(Context, RD.ExprCaptures), |
19004 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
19005 | } |
19006 | |
19007 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, |
19008 | SourceLocation LinLoc) { |
19009 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || |
19010 | LinKind == OMPC_LINEAR_unknown) { |
19011 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; |
19012 | return true; |
19013 | } |
19014 | return false; |
19015 | } |
19016 | |
19017 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, |
19018 | OpenMPLinearClauseKind LinKind, QualType Type, |
19019 | bool IsDeclareSimd) { |
19020 | const auto *VD = dyn_cast_or_null<VarDecl>(D); |
19021 | // A variable must not have an incomplete type or a reference type. |
19022 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) |
19023 | return true; |
19024 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && |
19025 | !Type->isReferenceType()) { |
19026 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) |
19027 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); |
19028 | return true; |
19029 | } |
19030 | Type = Type.getNonReferenceType(); |
19031 | |
19032 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
19033 | // A variable that is privatized must not have a const-qualified type |
19034 | // unless it is of class type with a mutable member. This restriction does |
19035 | // not apply to the firstprivate clause, nor to the linear clause on |
19036 | // declarative directives (like declare simd). |
19037 | if (!IsDeclareSimd && |
19038 | rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) |
19039 | return true; |
19040 | |
19041 | // A list item must be of integral or pointer type. |
19042 | Type = Type.getUnqualifiedType().getCanonicalType(); |
19043 | const auto *Ty = Type.getTypePtrOrNull(); |
19044 | if (!Ty || (LinKind != OMPC_LINEAR_ref && !Ty->isDependentType() && |
19045 | !Ty->isIntegralType(Context) && !Ty->isPointerType())) { |
19046 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; |
19047 | if (D) { |
19048 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
19049 | VarDecl::DeclarationOnly; |
19050 | Diag(D->getLocation(), |
19051 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
19052 | << D; |
19053 | } |
19054 | return true; |
19055 | } |
19056 | return false; |
19057 | } |
19058 | |
19059 | OMPClause *Sema::ActOnOpenMPLinearClause( |
19060 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, |
19061 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, |
19062 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { |
19063 | SmallVector<Expr *, 8> Vars; |
19064 | SmallVector<Expr *, 8> Privates; |
19065 | SmallVector<Expr *, 8> Inits; |
19066 | SmallVector<Decl *, 4> ExprCaptures; |
19067 | SmallVector<Expr *, 4> ExprPostUpdates; |
19068 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) |
19069 | LinKind = OMPC_LINEAR_val; |
19070 | for (Expr *RefExpr : VarList) { |
19071 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP linear clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19071, __extension__ __PRETTY_FUNCTION__ )); |
19072 | SourceLocation ELoc; |
19073 | SourceRange ERange; |
19074 | Expr *SimpleRefExpr = RefExpr; |
19075 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
19076 | if (Res.second) { |
19077 | // It will be analyzed later. |
19078 | Vars.push_back(RefExpr); |
19079 | Privates.push_back(nullptr); |
19080 | Inits.push_back(nullptr); |
19081 | } |
19082 | ValueDecl *D = Res.first; |
19083 | if (!D) |
19084 | continue; |
19085 | |
19086 | QualType Type = D->getType(); |
19087 | auto *VD = dyn_cast<VarDecl>(D); |
19088 | |
19089 | // OpenMP [2.14.3.7, linear clause] |
19090 | // A list-item cannot appear in more than one linear clause. |
19091 | // A list-item that appears in a linear clause cannot appear in any |
19092 | // other data-sharing attribute clause. |
19093 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
19094 | if (DVar.RefExpr) { |
19095 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
19096 | << getOpenMPClauseName(OMPC_linear); |
19097 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
19098 | continue; |
19099 | } |
19100 | |
19101 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) |
19102 | continue; |
19103 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); |
19104 | |
19105 | // Build private copy of original var. |
19106 | VarDecl *Private = |
19107 | buildVarDecl(*this, ELoc, Type, D->getName(), |
19108 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
19109 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
19110 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); |
19111 | // Build var to save initial value. |
19112 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); |
19113 | Expr *InitExpr; |
19114 | DeclRefExpr *Ref = nullptr; |
19115 | if (!VD && !CurContext->isDependentContext()) { |
19116 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
19117 | if (!isOpenMPCapturedDecl(D)) { |
19118 | ExprCaptures.push_back(Ref->getDecl()); |
19119 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { |
19120 | ExprResult RefRes = DefaultLvalueConversion(Ref); |
19121 | if (!RefRes.isUsable()) |
19122 | continue; |
19123 | ExprResult PostUpdateRes = |
19124 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, |
19125 | SimpleRefExpr, RefRes.get()); |
19126 | if (!PostUpdateRes.isUsable()) |
19127 | continue; |
19128 | ExprPostUpdates.push_back( |
19129 | IgnoredValueConversions(PostUpdateRes.get()).get()); |
19130 | } |
19131 | } |
19132 | } |
19133 | if (LinKind == OMPC_LINEAR_uval) |
19134 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; |
19135 | else |
19136 | InitExpr = VD ? SimpleRefExpr : Ref; |
19137 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), |
19138 | /*DirectInit=*/false); |
19139 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); |
19140 | |
19141 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); |
19142 | Vars.push_back((VD || CurContext->isDependentContext()) |
19143 | ? RefExpr->IgnoreParens() |
19144 | : Ref); |
19145 | Privates.push_back(PrivateRef); |
19146 | Inits.push_back(InitRef); |
19147 | } |
19148 | |
19149 | if (Vars.empty()) |
19150 | return nullptr; |
19151 | |
19152 | Expr *StepExpr = Step; |
19153 | Expr *CalcStepExpr = nullptr; |
19154 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && |
19155 | !Step->isInstantiationDependent() && |
19156 | !Step->containsUnexpandedParameterPack()) { |
19157 | SourceLocation StepLoc = Step->getBeginLoc(); |
19158 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); |
19159 | if (Val.isInvalid()) |
19160 | return nullptr; |
19161 | StepExpr = Val.get(); |
19162 | |
19163 | // Build var to save the step value. |
19164 | VarDecl *SaveVar = |
19165 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); |
19166 | ExprResult SaveRef = |
19167 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); |
19168 | ExprResult CalcStep = |
19169 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); |
19170 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); |
19171 | |
19172 | // Warn about zero linear step (it would be probably better specified as |
19173 | // making corresponding variables 'const'). |
19174 | if (Optional<llvm::APSInt> Result = |
19175 | StepExpr->getIntegerConstantExpr(Context)) { |
19176 | if (!Result->isNegative() && !Result->isStrictlyPositive()) |
19177 | Diag(StepLoc, diag::warn_omp_linear_step_zero) |
19178 | << Vars[0] << (Vars.size() > 1); |
19179 | } else if (CalcStep.isUsable()) { |
19180 | // Calculate the step beforehand instead of doing this on each iteration. |
19181 | // (This is not used if the number of iterations may be kfold-ed). |
19182 | CalcStepExpr = CalcStep.get(); |
19183 | } |
19184 | } |
19185 | |
19186 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, |
19187 | ColonLoc, EndLoc, Vars, Privates, Inits, |
19188 | StepExpr, CalcStepExpr, |
19189 | buildPreInits(Context, ExprCaptures), |
19190 | buildPostUpdate(*this, ExprPostUpdates)); |
19191 | } |
19192 | |
19193 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, |
19194 | Expr *NumIterations, Sema &SemaRef, |
19195 | Scope *S, DSAStackTy *Stack) { |
19196 | // Walk the vars and build update/final expressions for the CodeGen. |
19197 | SmallVector<Expr *, 8> Updates; |
19198 | SmallVector<Expr *, 8> Finals; |
19199 | SmallVector<Expr *, 8> UsedExprs; |
19200 | Expr *Step = Clause.getStep(); |
19201 | Expr *CalcStep = Clause.getCalcStep(); |
19202 | // OpenMP [2.14.3.7, linear clause] |
19203 | // If linear-step is not specified it is assumed to be 1. |
19204 | if (!Step) |
19205 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); |
19206 | else if (CalcStep) |
19207 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); |
19208 | bool HasErrors = false; |
19209 | auto CurInit = Clause.inits().begin(); |
19210 | auto CurPrivate = Clause.privates().begin(); |
19211 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); |
19212 | for (Expr *RefExpr : Clause.varlists()) { |
19213 | SourceLocation ELoc; |
19214 | SourceRange ERange; |
19215 | Expr *SimpleRefExpr = RefExpr; |
19216 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); |
19217 | ValueDecl *D = Res.first; |
19218 | if (Res.second || !D) { |
19219 | Updates.push_back(nullptr); |
19220 | Finals.push_back(nullptr); |
19221 | HasErrors = true; |
19222 | continue; |
19223 | } |
19224 | auto &&Info = Stack->isLoopControlVariable(D); |
19225 | // OpenMP [2.15.11, distribute simd Construct] |
19226 | // A list item may not appear in a linear clause, unless it is the loop |
19227 | // iteration variable. |
19228 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && |
19229 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { |
19230 | SemaRef.Diag(ELoc, |
19231 | diag::err_omp_linear_distribute_var_non_loop_iteration); |
19232 | Updates.push_back(nullptr); |
19233 | Finals.push_back(nullptr); |
19234 | HasErrors = true; |
19235 | continue; |
19236 | } |
19237 | Expr *InitExpr = *CurInit; |
19238 | |
19239 | // Build privatized reference to the current linear var. |
19240 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); |
19241 | Expr *CapturedRef; |
19242 | if (LinKind == OMPC_LINEAR_uval) |
19243 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); |
19244 | else |
19245 | CapturedRef = |
19246 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), |
19247 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), |
19248 | /*RefersToCapture=*/true); |
19249 | |
19250 | // Build update: Var = InitExpr + IV * Step |
19251 | ExprResult Update; |
19252 | if (!Info.first) |
19253 | Update = buildCounterUpdate( |
19254 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, |
19255 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); |
19256 | else |
19257 | Update = *CurPrivate; |
19258 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), |
19259 | /*DiscardedValue*/ false); |
19260 | |
19261 | // Build final: Var = PrivCopy; |
19262 | ExprResult Final; |
19263 | if (!Info.first) |
19264 | Final = SemaRef.BuildBinOp( |
19265 | S, RefExpr->getExprLoc(), BO_Assign, CapturedRef, |
19266 | SemaRef.DefaultLvalueConversion(*CurPrivate).get()); |
19267 | else |
19268 | Final = *CurPrivate; |
19269 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), |
19270 | /*DiscardedValue*/ false); |
19271 | |
19272 | if (!Update.isUsable() || !Final.isUsable()) { |
19273 | Updates.push_back(nullptr); |
19274 | Finals.push_back(nullptr); |
19275 | UsedExprs.push_back(nullptr); |
19276 | HasErrors = true; |
19277 | } else { |
19278 | Updates.push_back(Update.get()); |
19279 | Finals.push_back(Final.get()); |
19280 | if (!Info.first) |
19281 | UsedExprs.push_back(SimpleRefExpr); |
19282 | } |
19283 | ++CurInit; |
19284 | ++CurPrivate; |
19285 | } |
19286 | if (Expr *S = Clause.getStep()) |
19287 | UsedExprs.push_back(S); |
19288 | // Fill the remaining part with the nullptr. |
19289 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); |
19290 | Clause.setUpdates(Updates); |
19291 | Clause.setFinals(Finals); |
19292 | Clause.setUsedExprs(UsedExprs); |
19293 | return HasErrors; |
19294 | } |
19295 | |
19296 | OMPClause *Sema::ActOnOpenMPAlignedClause( |
19297 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, |
19298 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { |
19299 | SmallVector<Expr *, 8> Vars; |
19300 | for (Expr *RefExpr : VarList) { |
19301 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP linear clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19301, __extension__ __PRETTY_FUNCTION__ )); |
19302 | SourceLocation ELoc; |
19303 | SourceRange ERange; |
19304 | Expr *SimpleRefExpr = RefExpr; |
19305 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
19306 | if (Res.second) { |
19307 | // It will be analyzed later. |
19308 | Vars.push_back(RefExpr); |
19309 | } |
19310 | ValueDecl *D = Res.first; |
19311 | if (!D) |
19312 | continue; |
19313 | |
19314 | QualType QType = D->getType(); |
19315 | auto *VD = dyn_cast<VarDecl>(D); |
19316 | |
19317 | // OpenMP [2.8.1, simd construct, Restrictions] |
19318 | // The type of list items appearing in the aligned clause must be |
19319 | // array, pointer, reference to array, or reference to pointer. |
19320 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); |
19321 | const Type *Ty = QType.getTypePtrOrNull(); |
19322 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { |
19323 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) |
19324 | << QType << getLangOpts().CPlusPlus << ERange; |
19325 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
19326 | VarDecl::DeclarationOnly; |
19327 | Diag(D->getLocation(), |
19328 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
19329 | << D; |
19330 | continue; |
19331 | } |
19332 | |
19333 | // OpenMP [2.8.1, simd construct, Restrictions] |
19334 | // A list-item cannot appear in more than one aligned clause. |
19335 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { |
19336 | Diag(ELoc, diag::err_omp_used_in_clause_twice) |
19337 | << 0 << getOpenMPClauseName(OMPC_aligned) << ERange; |
19338 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) |
19339 | << getOpenMPClauseName(OMPC_aligned); |
19340 | continue; |
19341 | } |
19342 | |
19343 | DeclRefExpr *Ref = nullptr; |
19344 | if (!VD && isOpenMPCapturedDecl(D)) |
19345 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
19346 | Vars.push_back(DefaultFunctionArrayConversion( |
19347 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) |
19348 | .get()); |
19349 | } |
19350 | |
19351 | // OpenMP [2.8.1, simd construct, Description] |
19352 | // The parameter of the aligned clause, alignment, must be a constant |
19353 | // positive integer expression. |
19354 | // If no optional parameter is specified, implementation-defined default |
19355 | // alignments for SIMD instructions on the target platforms are assumed. |
19356 | if (Alignment != nullptr) { |
19357 | ExprResult AlignResult = |
19358 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); |
19359 | if (AlignResult.isInvalid()) |
19360 | return nullptr; |
19361 | Alignment = AlignResult.get(); |
19362 | } |
19363 | if (Vars.empty()) |
19364 | return nullptr; |
19365 | |
19366 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, |
19367 | EndLoc, Vars, Alignment); |
19368 | } |
19369 | |
19370 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, |
19371 | SourceLocation StartLoc, |
19372 | SourceLocation LParenLoc, |
19373 | SourceLocation EndLoc) { |
19374 | SmallVector<Expr *, 8> Vars; |
19375 | SmallVector<Expr *, 8> SrcExprs; |
19376 | SmallVector<Expr *, 8> DstExprs; |
19377 | SmallVector<Expr *, 8> AssignmentOps; |
19378 | for (Expr *RefExpr : VarList) { |
19379 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP copyin clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP copyin clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19379, __extension__ __PRETTY_FUNCTION__ )); |
19380 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { |
19381 | // It will be analyzed later. |
19382 | Vars.push_back(RefExpr); |
19383 | SrcExprs.push_back(nullptr); |
19384 | DstExprs.push_back(nullptr); |
19385 | AssignmentOps.push_back(nullptr); |
19386 | continue; |
19387 | } |
19388 | |
19389 | SourceLocation ELoc = RefExpr->getExprLoc(); |
19390 | // OpenMP [2.1, C/C++] |
19391 | // A list item is a variable name. |
19392 | // OpenMP [2.14.4.1, Restrictions, p.1] |
19393 | // A list item that appears in a copyin clause must be threadprivate. |
19394 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); |
19395 | if (!DE || !isa<VarDecl>(DE->getDecl())) { |
19396 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) |
19397 | << 0 << RefExpr->getSourceRange(); |
19398 | continue; |
19399 | } |
19400 | |
19401 | Decl *D = DE->getDecl(); |
19402 | auto *VD = cast<VarDecl>(D); |
19403 | |
19404 | QualType Type = VD->getType(); |
19405 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { |
19406 | // It will be analyzed later. |
19407 | Vars.push_back(DE); |
19408 | SrcExprs.push_back(nullptr); |
19409 | DstExprs.push_back(nullptr); |
19410 | AssignmentOps.push_back(nullptr); |
19411 | continue; |
19412 | } |
19413 | |
19414 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] |
19415 | // A list item that appears in a copyin clause must be threadprivate. |
19416 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
19417 | Diag(ELoc, diag::err_omp_required_access) |
19418 | << getOpenMPClauseName(OMPC_copyin) |
19419 | << getOpenMPDirectiveName(OMPD_threadprivate); |
19420 | continue; |
19421 | } |
19422 | |
19423 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] |
19424 | // A variable of class type (or array thereof) that appears in a |
19425 | // copyin clause requires an accessible, unambiguous copy assignment |
19426 | // operator for the class type. |
19427 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); |
19428 | VarDecl *SrcVD = |
19429 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), |
19430 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); |
19431 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( |
19432 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); |
19433 | VarDecl *DstVD = |
19434 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", |
19435 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); |
19436 | DeclRefExpr *PseudoDstExpr = |
19437 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); |
19438 | // For arrays generate assignment operation for single element and replace |
19439 | // it by the original array element in CodeGen. |
19440 | ExprResult AssignmentOp = |
19441 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, |
19442 | PseudoSrcExpr); |
19443 | if (AssignmentOp.isInvalid()) |
19444 | continue; |
19445 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), |
19446 | /*DiscardedValue*/ false); |
19447 | if (AssignmentOp.isInvalid()) |
19448 | continue; |
19449 | |
19450 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); |
19451 | Vars.push_back(DE); |
19452 | SrcExprs.push_back(PseudoSrcExpr); |
19453 | DstExprs.push_back(PseudoDstExpr); |
19454 | AssignmentOps.push_back(AssignmentOp.get()); |
19455 | } |
19456 | |
19457 | if (Vars.empty()) |
19458 | return nullptr; |
19459 | |
19460 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, |
19461 | SrcExprs, DstExprs, AssignmentOps); |
19462 | } |
19463 | |
19464 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, |
19465 | SourceLocation StartLoc, |
19466 | SourceLocation LParenLoc, |
19467 | SourceLocation EndLoc) { |
19468 | SmallVector<Expr *, 8> Vars; |
19469 | SmallVector<Expr *, 8> SrcExprs; |
19470 | SmallVector<Expr *, 8> DstExprs; |
19471 | SmallVector<Expr *, 8> AssignmentOps; |
19472 | for (Expr *RefExpr : VarList) { |
19473 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP linear clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19473, __extension__ __PRETTY_FUNCTION__ )); |
19474 | SourceLocation ELoc; |
19475 | SourceRange ERange; |
19476 | Expr *SimpleRefExpr = RefExpr; |
19477 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
19478 | if (Res.second) { |
19479 | // It will be analyzed later. |
19480 | Vars.push_back(RefExpr); |
19481 | SrcExprs.push_back(nullptr); |
19482 | DstExprs.push_back(nullptr); |
19483 | AssignmentOps.push_back(nullptr); |
19484 | } |
19485 | ValueDecl *D = Res.first; |
19486 | if (!D) |
19487 | continue; |
19488 | |
19489 | QualType Type = D->getType(); |
19490 | auto *VD = dyn_cast<VarDecl>(D); |
19491 | |
19492 | // OpenMP [2.14.4.2, Restrictions, p.2] |
19493 | // A list item that appears in a copyprivate clause may not appear in a |
19494 | // private or firstprivate clause on the single construct. |
19495 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
19496 | DSAStackTy::DSAVarData DVar = |
19497 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
19498 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && |
19499 | DVar.RefExpr) { |
19500 | Diag(ELoc, diag::err_omp_wrong_dsa) |
19501 | << getOpenMPClauseName(DVar.CKind) |
19502 | << getOpenMPClauseName(OMPC_copyprivate); |
19503 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
19504 | continue; |
19505 | } |
19506 | |
19507 | // OpenMP [2.11.4.2, Restrictions, p.1] |
19508 | // All list items that appear in a copyprivate clause must be either |
19509 | // threadprivate or private in the enclosing context. |
19510 | if (DVar.CKind == OMPC_unknown) { |
19511 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); |
19512 | if (DVar.CKind == OMPC_shared) { |
19513 | Diag(ELoc, diag::err_omp_required_access) |
19514 | << getOpenMPClauseName(OMPC_copyprivate) |
19515 | << "threadprivate or private in the enclosing context"; |
19516 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
19517 | continue; |
19518 | } |
19519 | } |
19520 | } |
19521 | |
19522 | // Variably modified types are not supported. |
19523 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { |
19524 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
19525 | << getOpenMPClauseName(OMPC_copyprivate) << Type |
19526 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
19527 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
19528 | VarDecl::DeclarationOnly; |
19529 | Diag(D->getLocation(), |
19530 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
19531 | << D; |
19532 | continue; |
19533 | } |
19534 | |
19535 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] |
19536 | // A variable of class type (or array thereof) that appears in a |
19537 | // copyin clause requires an accessible, unambiguous copy assignment |
19538 | // operator for the class type. |
19539 | Type = Context.getBaseElementType(Type.getNonReferenceType()) |
19540 | .getUnqualifiedType(); |
19541 | VarDecl *SrcVD = |
19542 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", |
19543 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
19544 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); |
19545 | VarDecl *DstVD = |
19546 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", |
19547 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
19548 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); |
19549 | ExprResult AssignmentOp = BuildBinOp( |
19550 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); |
19551 | if (AssignmentOp.isInvalid()) |
19552 | continue; |
19553 | AssignmentOp = |
19554 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); |
19555 | if (AssignmentOp.isInvalid()) |
19556 | continue; |
19557 | |
19558 | // No need to mark vars as copyprivate, they are already threadprivate or |
19559 | // implicitly private. |
19560 | assert(VD || isOpenMPCapturedDecl(D))(static_cast <bool> (VD || isOpenMPCapturedDecl(D)) ? void (0) : __assert_fail ("VD || isOpenMPCapturedDecl(D)", "clang/lib/Sema/SemaOpenMP.cpp" , 19560, __extension__ __PRETTY_FUNCTION__)); |
19561 | Vars.push_back( |
19562 | VD ? RefExpr->IgnoreParens() |
19563 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); |
19564 | SrcExprs.push_back(PseudoSrcExpr); |
19565 | DstExprs.push_back(PseudoDstExpr); |
19566 | AssignmentOps.push_back(AssignmentOp.get()); |
19567 | } |
19568 | |
19569 | if (Vars.empty()) |
19570 | return nullptr; |
19571 | |
19572 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
19573 | Vars, SrcExprs, DstExprs, AssignmentOps); |
19574 | } |
19575 | |
19576 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, |
19577 | SourceLocation StartLoc, |
19578 | SourceLocation LParenLoc, |
19579 | SourceLocation EndLoc) { |
19580 | if (VarList.empty()) |
19581 | return nullptr; |
19582 | |
19583 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); |
19584 | } |
19585 | |
19586 | /// Tries to find omp_depend_t. type. |
19587 | static bool findOMPDependT(Sema &S, SourceLocation Loc, DSAStackTy *Stack, |
19588 | bool Diagnose = true) { |
19589 | QualType OMPDependT = Stack->getOMPDependT(); |
19590 | if (!OMPDependT.isNull()) |
19591 | return true; |
19592 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_depend_t"); |
19593 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); |
19594 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
19595 | if (Diagnose) |
19596 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_depend_t"; |
19597 | return false; |
19598 | } |
19599 | Stack->setOMPDependT(PT.get()); |
19600 | return true; |
19601 | } |
19602 | |
19603 | OMPClause *Sema::ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, |
19604 | SourceLocation LParenLoc, |
19605 | SourceLocation EndLoc) { |
19606 | if (!Depobj) |
19607 | return nullptr; |
19608 | |
19609 | bool OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )); |
19610 | |
19611 | // OpenMP 5.0, 2.17.10.1 depobj Construct |
19612 | // depobj is an lvalue expression of type omp_depend_t. |
19613 | if (!Depobj->isTypeDependent() && !Depobj->isValueDependent() && |
19614 | !Depobj->isInstantiationDependent() && |
19615 | !Depobj->containsUnexpandedParameterPack() && |
19616 | (OMPDependTFound && |
19617 | !Context.typesAreCompatible(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), Depobj->getType(), |
19618 | /*CompareUnqualified=*/true))) { |
19619 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) |
19620 | << 0 << Depobj->getType() << Depobj->getSourceRange(); |
19621 | } |
19622 | |
19623 | if (!Depobj->isLValue()) { |
19624 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) |
19625 | << 1 << Depobj->getSourceRange(); |
19626 | } |
19627 | |
19628 | return OMPDepobjClause::Create(Context, StartLoc, LParenLoc, EndLoc, Depobj); |
19629 | } |
19630 | |
19631 | OMPClause * |
19632 | Sema::ActOnOpenMPDependClause(Expr *DepModifier, OpenMPDependClauseKind DepKind, |
19633 | SourceLocation DepLoc, SourceLocation ColonLoc, |
19634 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
19635 | SourceLocation LParenLoc, SourceLocation EndLoc) { |
19636 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && |
19637 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { |
19638 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) |
19639 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); |
19640 | return nullptr; |
19641 | } |
19642 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_taskwait && |
19643 | DepKind == OMPC_DEPEND_mutexinoutset) { |
19644 | Diag(DepLoc, diag::err_omp_taskwait_depend_mutexinoutset_not_allowed); |
19645 | return nullptr; |
19646 | } |
19647 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered || |
19648 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && |
19649 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || |
19650 | DepKind == OMPC_DEPEND_sink || |
19651 | ((LangOpts.OpenMP < 50 || |
19652 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && |
19653 | DepKind == OMPC_DEPEND_depobj))) { |
19654 | SmallVector<unsigned, 3> Except; |
19655 | Except.push_back(OMPC_DEPEND_source); |
19656 | Except.push_back(OMPC_DEPEND_sink); |
19657 | if (LangOpts.OpenMP < 50 || DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) |
19658 | Except.push_back(OMPC_DEPEND_depobj); |
19659 | if (LangOpts.OpenMP < 51) |
19660 | Except.push_back(OMPC_DEPEND_inoutset); |
19661 | std::string Expected = (LangOpts.OpenMP >= 50 && !DepModifier) |
19662 | ? "depend modifier(iterator) or " |
19663 | : ""; |
19664 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) |
19665 | << Expected + getListOfPossibleValues(OMPC_depend, /*First=*/0, |
19666 | /*Last=*/OMPC_DEPEND_unknown, |
19667 | Except) |
19668 | << getOpenMPClauseName(OMPC_depend); |
19669 | return nullptr; |
19670 | } |
19671 | if (DepModifier && |
19672 | (DepKind == OMPC_DEPEND_source || DepKind == OMPC_DEPEND_sink)) { |
19673 | Diag(DepModifier->getExprLoc(), |
19674 | diag::err_omp_depend_sink_source_with_modifier); |
19675 | return nullptr; |
19676 | } |
19677 | if (DepModifier && |
19678 | !DepModifier->getType()->isSpecificBuiltinType(BuiltinType::OMPIterator)) |
19679 | Diag(DepModifier->getExprLoc(), diag::err_omp_depend_modifier_not_iterator); |
19680 | |
19681 | SmallVector<Expr *, 8> Vars; |
19682 | DSAStackTy::OperatorOffsetTy OpsOffs; |
19683 | llvm::APSInt DepCounter(/*BitWidth=*/32); |
19684 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); |
19685 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { |
19686 | if (const Expr *OrderedCountExpr = |
19687 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
19688 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); |
19689 | TotalDepCount.setIsUnsigned(/*Val=*/true); |
19690 | } |
19691 | } |
19692 | for (Expr *RefExpr : VarList) { |
19693 | assert(RefExpr && "NULL expr in OpenMP shared clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP shared clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP shared clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19693, __extension__ __PRETTY_FUNCTION__ )); |
19694 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { |
19695 | // It will be analyzed later. |
19696 | Vars.push_back(RefExpr); |
19697 | continue; |
19698 | } |
19699 | |
19700 | SourceLocation ELoc = RefExpr->getExprLoc(); |
19701 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); |
19702 | if (DepKind == OMPC_DEPEND_sink) { |
19703 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
19704 | DepCounter >= TotalDepCount) { |
19705 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); |
19706 | continue; |
19707 | } |
19708 | ++DepCounter; |
19709 | // OpenMP [2.13.9, Summary] |
19710 | // depend(dependence-type : vec), where dependence-type is: |
19711 | // 'sink' and where vec is the iteration vector, which has the form: |
19712 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] |
19713 | // where n is the value specified by the ordered clause in the loop |
19714 | // directive, xi denotes the loop iteration variable of the i-th nested |
19715 | // loop associated with the loop directive, and di is a constant |
19716 | // non-negative integer. |
19717 | if (CurContext->isDependentContext()) { |
19718 | // It will be analyzed later. |
19719 | Vars.push_back(RefExpr); |
19720 | continue; |
19721 | } |
19722 | SimpleExpr = SimpleExpr->IgnoreImplicit(); |
19723 | OverloadedOperatorKind OOK = OO_None; |
19724 | SourceLocation OOLoc; |
19725 | Expr *LHS = SimpleExpr; |
19726 | Expr *RHS = nullptr; |
19727 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { |
19728 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); |
19729 | OOLoc = BO->getOperatorLoc(); |
19730 | LHS = BO->getLHS()->IgnoreParenImpCasts(); |
19731 | RHS = BO->getRHS()->IgnoreParenImpCasts(); |
19732 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { |
19733 | OOK = OCE->getOperator(); |
19734 | OOLoc = OCE->getOperatorLoc(); |
19735 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); |
19736 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); |
19737 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { |
19738 | OOK = MCE->getMethodDecl() |
19739 | ->getNameInfo() |
19740 | .getName() |
19741 | .getCXXOverloadedOperator(); |
19742 | OOLoc = MCE->getCallee()->getExprLoc(); |
19743 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); |
19744 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); |
19745 | } |
19746 | SourceLocation ELoc; |
19747 | SourceRange ERange; |
19748 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); |
19749 | if (Res.second) { |
19750 | // It will be analyzed later. |
19751 | Vars.push_back(RefExpr); |
19752 | } |
19753 | ValueDecl *D = Res.first; |
19754 | if (!D) |
19755 | continue; |
19756 | |
19757 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { |
19758 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); |
19759 | continue; |
19760 | } |
19761 | if (RHS) { |
19762 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( |
19763 | RHS, OMPC_depend, /*StrictlyPositive=*/false); |
19764 | if (RHSRes.isInvalid()) |
19765 | continue; |
19766 | } |
19767 | if (!CurContext->isDependentContext() && |
19768 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
19769 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { |
19770 | const ValueDecl *VD = |
19771 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); |
19772 | if (VD) |
19773 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) |
19774 | << 1 << VD; |
19775 | else |
19776 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; |
19777 | continue; |
19778 | } |
19779 | OpsOffs.emplace_back(RHS, OOK); |
19780 | } else { |
19781 | bool OMPDependTFound = LangOpts.OpenMP >= 50; |
19782 | if (OMPDependTFound) |
19783 | OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
19784 | DepKind == OMPC_DEPEND_depobj); |
19785 | if (DepKind == OMPC_DEPEND_depobj) { |
19786 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ |
19787 | // List items used in depend clauses with the depobj dependence type |
19788 | // must be expressions of the omp_depend_t type. |
19789 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && |
19790 | !RefExpr->isInstantiationDependent() && |
19791 | !RefExpr->containsUnexpandedParameterPack() && |
19792 | (OMPDependTFound && |
19793 | !Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), |
19794 | RefExpr->getType()))) { |
19795 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) |
19796 | << 0 << RefExpr->getType() << RefExpr->getSourceRange(); |
19797 | continue; |
19798 | } |
19799 | if (!RefExpr->isLValue()) { |
19800 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) |
19801 | << 1 << RefExpr->getType() << RefExpr->getSourceRange(); |
19802 | continue; |
19803 | } |
19804 | } else { |
19805 | // OpenMP 5.0 [2.17.11, Restrictions] |
19806 | // List items used in depend clauses cannot be zero-length array |
19807 | // sections. |
19808 | QualType ExprTy = RefExpr->getType().getNonReferenceType(); |
19809 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(SimpleExpr); |
19810 | if (OASE) { |
19811 | QualType BaseType = |
19812 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
19813 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
19814 | ExprTy = ATy->getElementType(); |
19815 | else |
19816 | ExprTy = BaseType->getPointeeType(); |
19817 | ExprTy = ExprTy.getNonReferenceType(); |
19818 | const Expr *Length = OASE->getLength(); |
19819 | Expr::EvalResult Result; |
19820 | if (Length && !Length->isValueDependent() && |
19821 | Length->EvaluateAsInt(Result, Context) && |
19822 | Result.Val.getInt().isZero()) { |
19823 | Diag(ELoc, |
19824 | diag::err_omp_depend_zero_length_array_section_not_allowed) |
19825 | << SimpleExpr->getSourceRange(); |
19826 | continue; |
19827 | } |
19828 | } |
19829 | |
19830 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ |
19831 | // List items used in depend clauses with the in, out, inout, |
19832 | // inoutset, or mutexinoutset dependence types cannot be |
19833 | // expressions of the omp_depend_t type. |
19834 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && |
19835 | !RefExpr->isInstantiationDependent() && |
19836 | !RefExpr->containsUnexpandedParameterPack() && |
19837 | (!RefExpr->IgnoreParenImpCasts()->isLValue() || |
19838 | (OMPDependTFound && |
19839 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT().getTypePtr() == ExprTy.getTypePtr()))) { |
19840 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
19841 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
19842 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
19843 | continue; |
19844 | } |
19845 | |
19846 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); |
19847 | if (ASE && !ASE->getBase()->isTypeDependent() && |
19848 | !ASE->getBase()->getType().getNonReferenceType()->isPointerType() && |
19849 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType()) { |
19850 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
19851 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
19852 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
19853 | continue; |
19854 | } |
19855 | |
19856 | ExprResult Res; |
19857 | { |
19858 | Sema::TentativeAnalysisScope Trap(*this); |
19859 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, |
19860 | RefExpr->IgnoreParenImpCasts()); |
19861 | } |
19862 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && |
19863 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { |
19864 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
19865 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
19866 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
19867 | continue; |
19868 | } |
19869 | } |
19870 | } |
19871 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); |
19872 | } |
19873 | |
19874 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && |
19875 | TotalDepCount > VarList.size() && |
19876 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
19877 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { |
19878 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) |
19879 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); |
19880 | } |
19881 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && |
19882 | Vars.empty()) |
19883 | return nullptr; |
19884 | |
19885 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
19886 | DepModifier, DepKind, DepLoc, ColonLoc, |
19887 | Vars, TotalDepCount.getZExtValue()); |
19888 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && |
19889 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) |
19890 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); |
19891 | return C; |
19892 | } |
19893 | |
19894 | OMPClause *Sema::ActOnOpenMPDeviceClause(OpenMPDeviceClauseModifier Modifier, |
19895 | Expr *Device, SourceLocation StartLoc, |
19896 | SourceLocation LParenLoc, |
19897 | SourceLocation ModifierLoc, |
19898 | SourceLocation EndLoc) { |
19899 | assert((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) &&(static_cast <bool> ((ModifierLoc.isInvalid() || LangOpts .OpenMP >= 50) && "Unexpected device modifier in OpenMP < 50." ) ? void (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) && \"Unexpected device modifier in OpenMP < 50.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19900, __extension__ __PRETTY_FUNCTION__ )) |
19900 | "Unexpected device modifier in OpenMP < 50.")(static_cast <bool> ((ModifierLoc.isInvalid() || LangOpts .OpenMP >= 50) && "Unexpected device modifier in OpenMP < 50." ) ? void (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) && \"Unexpected device modifier in OpenMP < 50.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19900, __extension__ __PRETTY_FUNCTION__ )); |
19901 | |
19902 | bool ErrorFound = false; |
19903 | if (ModifierLoc.isValid() && Modifier == OMPC_DEVICE_unknown) { |
19904 | std::string Values = |
19905 | getListOfPossibleValues(OMPC_device, /*First=*/0, OMPC_DEVICE_unknown); |
19906 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) |
19907 | << Values << getOpenMPClauseName(OMPC_device); |
19908 | ErrorFound = true; |
19909 | } |
19910 | |
19911 | Expr *ValExpr = Device; |
19912 | Stmt *HelperValStmt = nullptr; |
19913 | |
19914 | // OpenMP [2.9.1, Restrictions] |
19915 | // The device expression must evaluate to a non-negative integer value. |
19916 | ErrorFound = !isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, |
19917 | /*StrictlyPositive=*/false) || |
19918 | ErrorFound; |
19919 | if (ErrorFound) |
19920 | return nullptr; |
19921 | |
19922 | // OpenMP 5.0 [2.12.5, Restrictions] |
19923 | // In case of ancestor device-modifier, a requires directive with |
19924 | // the reverse_offload clause must be specified. |
19925 | if (Modifier == OMPC_DEVICE_ancestor) { |
19926 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>()) { |
19927 | targetDiag( |
19928 | StartLoc, |
19929 | diag::err_omp_device_ancestor_without_requires_reverse_offload); |
19930 | ErrorFound = true; |
19931 | } |
19932 | } |
19933 | |
19934 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
19935 | OpenMPDirectiveKind CaptureRegion = |
19936 | getOpenMPCaptureRegionForClause(DKind, OMPC_device, LangOpts.OpenMP); |
19937 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
19938 | ValExpr = MakeFullExpr(ValExpr).get(); |
19939 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
19940 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
19941 | HelperValStmt = buildPreInits(Context, Captures); |
19942 | } |
19943 | |
19944 | return new (Context) |
19945 | OMPDeviceClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, |
19946 | LParenLoc, ModifierLoc, EndLoc); |
19947 | } |
19948 | |
19949 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, |
19950 | DSAStackTy *Stack, QualType QTy, |
19951 | bool FullCheck = true) { |
19952 | if (SemaRef.RequireCompleteType(SL, QTy, diag::err_incomplete_type)) |
19953 | return false; |
19954 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && |
19955 | !QTy.isTriviallyCopyableType(SemaRef.Context)) |
19956 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; |
19957 | return true; |
19958 | } |
19959 | |
19960 | /// Return true if it can be proven that the provided array expression |
19961 | /// (array section or array subscript) does NOT specify the whole size of the |
19962 | /// array whose base type is \a BaseQTy. |
19963 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, |
19964 | const Expr *E, |
19965 | QualType BaseQTy) { |
19966 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); |
19967 | |
19968 | // If this is an array subscript, it refers to the whole size if the size of |
19969 | // the dimension is constant and equals 1. Also, an array section assumes the |
19970 | // format of an array subscript if no colon is used. |
19971 | if (isa<ArraySubscriptExpr>(E) || |
19972 | (OASE && OASE->getColonLocFirst().isInvalid())) { |
19973 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) |
19974 | return ATy->getSize().getSExtValue() != 1; |
19975 | // Size can't be evaluated statically. |
19976 | return false; |
19977 | } |
19978 | |
19979 | assert(OASE && "Expecting array section if not an array subscript.")(static_cast <bool> (OASE && "Expecting array section if not an array subscript." ) ? void (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 19979, __extension__ __PRETTY_FUNCTION__ )); |
19980 | const Expr *LowerBound = OASE->getLowerBound(); |
19981 | const Expr *Length = OASE->getLength(); |
19982 | |
19983 | // If there is a lower bound that does not evaluates to zero, we are not |
19984 | // covering the whole dimension. |
19985 | if (LowerBound) { |
19986 | Expr::EvalResult Result; |
19987 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) |
19988 | return false; // Can't get the integer value as a constant. |
19989 | |
19990 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); |
19991 | if (ConstLowerBound.getSExtValue()) |
19992 | return true; |
19993 | } |
19994 | |
19995 | // If we don't have a length we covering the whole dimension. |
19996 | if (!Length) |
19997 | return false; |
19998 | |
19999 | // If the base is a pointer, we don't have a way to get the size of the |
20000 | // pointee. |
20001 | if (BaseQTy->isPointerType()) |
20002 | return false; |
20003 | |
20004 | // We can only check if the length is the same as the size of the dimension |
20005 | // if we have a constant array. |
20006 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); |
20007 | if (!CATy) |
20008 | return false; |
20009 | |
20010 | Expr::EvalResult Result; |
20011 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) |
20012 | return false; // Can't get the integer value as a constant. |
20013 | |
20014 | llvm::APSInt ConstLength = Result.Val.getInt(); |
20015 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); |
20016 | } |
20017 | |
20018 | // Return true if it can be proven that the provided array expression (array |
20019 | // section or array subscript) does NOT specify a single element of the array |
20020 | // whose base type is \a BaseQTy. |
20021 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, |
20022 | const Expr *E, |
20023 | QualType BaseQTy) { |
20024 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); |
20025 | |
20026 | // An array subscript always refer to a single element. Also, an array section |
20027 | // assumes the format of an array subscript if no colon is used. |
20028 | if (isa<ArraySubscriptExpr>(E) || |
20029 | (OASE && OASE->getColonLocFirst().isInvalid())) |
20030 | return false; |
20031 | |
20032 | assert(OASE && "Expecting array section if not an array subscript.")(static_cast <bool> (OASE && "Expecting array section if not an array subscript." ) ? void (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20032, __extension__ __PRETTY_FUNCTION__ )); |
20033 | const Expr *Length = OASE->getLength(); |
20034 | |
20035 | // If we don't have a length we have to check if the array has unitary size |
20036 | // for this dimension. Also, we should always expect a length if the base type |
20037 | // is pointer. |
20038 | if (!Length) { |
20039 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) |
20040 | return ATy->getSize().getSExtValue() != 1; |
20041 | // We cannot assume anything. |
20042 | return false; |
20043 | } |
20044 | |
20045 | // Check if the length evaluates to 1. |
20046 | Expr::EvalResult Result; |
20047 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) |
20048 | return false; // Can't get the integer value as a constant. |
20049 | |
20050 | llvm::APSInt ConstLength = Result.Val.getInt(); |
20051 | return ConstLength.getSExtValue() != 1; |
20052 | } |
20053 | |
20054 | // The base of elements of list in a map clause have to be either: |
20055 | // - a reference to variable or field. |
20056 | // - a member expression. |
20057 | // - an array expression. |
20058 | // |
20059 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the |
20060 | // reference to 'r'. |
20061 | // |
20062 | // If we have: |
20063 | // |
20064 | // struct SS { |
20065 | // Bla S; |
20066 | // foo() { |
20067 | // #pragma omp target map (S.Arr[:12]); |
20068 | // } |
20069 | // } |
20070 | // |
20071 | // We want to retrieve the member expression 'this->S'; |
20072 | |
20073 | // OpenMP 5.0 [2.19.7.1, map Clause, Restrictions, p.2] |
20074 | // If a list item is an array section, it must specify contiguous storage. |
20075 | // |
20076 | // For this restriction it is sufficient that we make sure only references |
20077 | // to variables or fields and array expressions, and that no array sections |
20078 | // exist except in the rightmost expression (unless they cover the whole |
20079 | // dimension of the array). E.g. these would be invalid: |
20080 | // |
20081 | // r.ArrS[3:5].Arr[6:7] |
20082 | // |
20083 | // r.ArrS[3:5].x |
20084 | // |
20085 | // but these would be valid: |
20086 | // r.ArrS[3].Arr[6:7] |
20087 | // |
20088 | // r.ArrS[3].x |
20089 | namespace { |
20090 | class MapBaseChecker final : public StmtVisitor<MapBaseChecker, bool> { |
20091 | Sema &SemaRef; |
20092 | OpenMPClauseKind CKind = OMPC_unknown; |
20093 | OpenMPDirectiveKind DKind = OMPD_unknown; |
20094 | OMPClauseMappableExprCommon::MappableExprComponentList &Components; |
20095 | bool IsNonContiguous = false; |
20096 | bool NoDiagnose = false; |
20097 | const Expr *RelevantExpr = nullptr; |
20098 | bool AllowUnitySizeArraySection = true; |
20099 | bool AllowWholeSizeArraySection = true; |
20100 | bool AllowAnotherPtr = true; |
20101 | SourceLocation ELoc; |
20102 | SourceRange ERange; |
20103 | |
20104 | void emitErrorMsg() { |
20105 | // If nothing else worked, this is not a valid map clause expression. |
20106 | if (SemaRef.getLangOpts().OpenMP < 50) { |
20107 | SemaRef.Diag(ELoc, |
20108 | diag::err_omp_expected_named_var_member_or_array_expression) |
20109 | << ERange; |
20110 | } else { |
20111 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) |
20112 | << getOpenMPClauseName(CKind) << ERange; |
20113 | } |
20114 | } |
20115 | |
20116 | public: |
20117 | bool VisitDeclRefExpr(DeclRefExpr *DRE) { |
20118 | if (!isa<VarDecl>(DRE->getDecl())) { |
20119 | emitErrorMsg(); |
20120 | return false; |
20121 | } |
20122 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast <bool> (!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? void (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20122, __extension__ __PRETTY_FUNCTION__ )); |
20123 | RelevantExpr = DRE; |
20124 | // Record the component. |
20125 | Components.emplace_back(DRE, DRE->getDecl(), IsNonContiguous); |
20126 | return true; |
20127 | } |
20128 | |
20129 | bool VisitMemberExpr(MemberExpr *ME) { |
20130 | Expr *E = ME; |
20131 | Expr *BaseE = ME->getBase()->IgnoreParenCasts(); |
20132 | |
20133 | if (isa<CXXThisExpr>(BaseE)) { |
20134 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast <bool> (!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? void (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20134, __extension__ __PRETTY_FUNCTION__ )); |
20135 | // We found a base expression: this->Val. |
20136 | RelevantExpr = ME; |
20137 | } else { |
20138 | E = BaseE; |
20139 | } |
20140 | |
20141 | if (!isa<FieldDecl>(ME->getMemberDecl())) { |
20142 | if (!NoDiagnose) { |
20143 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) |
20144 | << ME->getSourceRange(); |
20145 | return false; |
20146 | } |
20147 | if (RelevantExpr) |
20148 | return false; |
20149 | return Visit(E); |
20150 | } |
20151 | |
20152 | auto *FD = cast<FieldDecl>(ME->getMemberDecl()); |
20153 | |
20154 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] |
20155 | // A bit-field cannot appear in a map clause. |
20156 | // |
20157 | if (FD->isBitField()) { |
20158 | if (!NoDiagnose) { |
20159 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) |
20160 | << ME->getSourceRange() << getOpenMPClauseName(CKind); |
20161 | return false; |
20162 | } |
20163 | if (RelevantExpr) |
20164 | return false; |
20165 | return Visit(E); |
20166 | } |
20167 | |
20168 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
20169 | // If the type of a list item is a reference to a type T then the type |
20170 | // will be considered to be T for all purposes of this clause. |
20171 | QualType CurType = BaseE->getType().getNonReferenceType(); |
20172 | |
20173 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] |
20174 | // A list item cannot be a variable that is a member of a structure with |
20175 | // a union type. |
20176 | // |
20177 | if (CurType->isUnionType()) { |
20178 | if (!NoDiagnose) { |
20179 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) |
20180 | << ME->getSourceRange(); |
20181 | return false; |
20182 | } |
20183 | return RelevantExpr || Visit(E); |
20184 | } |
20185 | |
20186 | // If we got a member expression, we should not expect any array section |
20187 | // before that: |
20188 | // |
20189 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] |
20190 | // If a list item is an element of a structure, only the rightmost symbol |
20191 | // of the variable reference can be an array section. |
20192 | // |
20193 | AllowUnitySizeArraySection = false; |
20194 | AllowWholeSizeArraySection = false; |
20195 | |
20196 | // Record the component. |
20197 | Components.emplace_back(ME, FD, IsNonContiguous); |
20198 | return RelevantExpr || Visit(E); |
20199 | } |
20200 | |
20201 | bool VisitArraySubscriptExpr(ArraySubscriptExpr *AE) { |
20202 | Expr *E = AE->getBase()->IgnoreParenImpCasts(); |
20203 | |
20204 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { |
20205 | if (!NoDiagnose) { |
20206 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) |
20207 | << 0 << AE->getSourceRange(); |
20208 | return false; |
20209 | } |
20210 | return RelevantExpr || Visit(E); |
20211 | } |
20212 | |
20213 | // If we got an array subscript that express the whole dimension we |
20214 | // can have any array expressions before. If it only expressing part of |
20215 | // the dimension, we can only have unitary-size array expressions. |
20216 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, AE, E->getType())) |
20217 | AllowWholeSizeArraySection = false; |
20218 | |
20219 | if (const auto *TE = dyn_cast<CXXThisExpr>(E->IgnoreParenCasts())) { |
20220 | Expr::EvalResult Result; |
20221 | if (!AE->getIdx()->isValueDependent() && |
20222 | AE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext()) && |
20223 | !Result.Val.getInt().isZero()) { |
20224 | SemaRef.Diag(AE->getIdx()->getExprLoc(), |
20225 | diag::err_omp_invalid_map_this_expr); |
20226 | SemaRef.Diag(AE->getIdx()->getExprLoc(), |
20227 | diag::note_omp_invalid_subscript_on_this_ptr_map); |
20228 | } |
20229 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast <bool> (!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? void (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20229, __extension__ __PRETTY_FUNCTION__ )); |
20230 | RelevantExpr = TE; |
20231 | } |
20232 | |
20233 | // Record the component - we don't have any declaration associated. |
20234 | Components.emplace_back(AE, nullptr, IsNonContiguous); |
20235 | |
20236 | return RelevantExpr || Visit(E); |
20237 | } |
20238 | |
20239 | bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { |
20240 | // After OMP 5.0 Array section in reduction clause will be implicitly |
20241 | // mapped |
20242 | assert(!(SemaRef.getLangOpts().OpenMP < 50 && NoDiagnose) &&(static_cast <bool> (!(SemaRef.getLangOpts().OpenMP < 50 && NoDiagnose) && "Array sections cannot be implicitly mapped." ) ? void (0) : __assert_fail ("!(SemaRef.getLangOpts().OpenMP < 50 && NoDiagnose) && \"Array sections cannot be implicitly mapped.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20243, __extension__ __PRETTY_FUNCTION__ )) |
20243 | "Array sections cannot be implicitly mapped.")(static_cast <bool> (!(SemaRef.getLangOpts().OpenMP < 50 && NoDiagnose) && "Array sections cannot be implicitly mapped." ) ? void (0) : __assert_fail ("!(SemaRef.getLangOpts().OpenMP < 50 && NoDiagnose) && \"Array sections cannot be implicitly mapped.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20243, __extension__ __PRETTY_FUNCTION__ )); |
20244 | Expr *E = OASE->getBase()->IgnoreParenImpCasts(); |
20245 | QualType CurType = |
20246 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); |
20247 | |
20248 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
20249 | // If the type of a list item is a reference to a type T then the type |
20250 | // will be considered to be T for all purposes of this clause. |
20251 | if (CurType->isReferenceType()) |
20252 | CurType = CurType->getPointeeType(); |
20253 | |
20254 | bool IsPointer = CurType->isAnyPointerType(); |
20255 | |
20256 | if (!IsPointer && !CurType->isArrayType()) { |
20257 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) |
20258 | << 0 << OASE->getSourceRange(); |
20259 | return false; |
20260 | } |
20261 | |
20262 | bool NotWhole = |
20263 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, OASE, CurType); |
20264 | bool NotUnity = |
20265 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, OASE, CurType); |
20266 | |
20267 | if (AllowWholeSizeArraySection) { |
20268 | // Any array section is currently allowed. Allowing a whole size array |
20269 | // section implies allowing a unity array section as well. |
20270 | // |
20271 | // If this array section refers to the whole dimension we can still |
20272 | // accept other array sections before this one, except if the base is a |
20273 | // pointer. Otherwise, only unitary sections are accepted. |
20274 | if (NotWhole || IsPointer) |
20275 | AllowWholeSizeArraySection = false; |
20276 | } else if (DKind == OMPD_target_update && |
20277 | SemaRef.getLangOpts().OpenMP >= 50) { |
20278 | if (IsPointer && !AllowAnotherPtr) |
20279 | SemaRef.Diag(ELoc, diag::err_omp_section_length_undefined) |
20280 | << /*array of unknown bound */ 1; |
20281 | else |
20282 | IsNonContiguous = true; |
20283 | } else if (AllowUnitySizeArraySection && NotUnity) { |
20284 | // A unity or whole array section is not allowed and that is not |
20285 | // compatible with the properties of the current array section. |
20286 | if (NoDiagnose) |
20287 | return false; |
20288 | SemaRef.Diag(ELoc, |
20289 | diag::err_array_section_does_not_specify_contiguous_storage) |
20290 | << OASE->getSourceRange(); |
20291 | return false; |
20292 | } |
20293 | |
20294 | if (IsPointer) |
20295 | AllowAnotherPtr = false; |
20296 | |
20297 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { |
20298 | Expr::EvalResult ResultR; |
20299 | Expr::EvalResult ResultL; |
20300 | if (!OASE->getLength()->isValueDependent() && |
20301 | OASE->getLength()->EvaluateAsInt(ResultR, SemaRef.getASTContext()) && |
20302 | !ResultR.Val.getInt().isOne()) { |
20303 | SemaRef.Diag(OASE->getLength()->getExprLoc(), |
20304 | diag::err_omp_invalid_map_this_expr); |
20305 | SemaRef.Diag(OASE->getLength()->getExprLoc(), |
20306 | diag::note_omp_invalid_length_on_this_ptr_mapping); |
20307 | } |
20308 | if (OASE->getLowerBound() && !OASE->getLowerBound()->isValueDependent() && |
20309 | OASE->getLowerBound()->EvaluateAsInt(ResultL, |
20310 | SemaRef.getASTContext()) && |
20311 | !ResultL.Val.getInt().isZero()) { |
20312 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), |
20313 | diag::err_omp_invalid_map_this_expr); |
20314 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), |
20315 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); |
20316 | } |
20317 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast <bool> (!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? void (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20317, __extension__ __PRETTY_FUNCTION__ )); |
20318 | RelevantExpr = TE; |
20319 | } |
20320 | |
20321 | // Record the component - we don't have any declaration associated. |
20322 | Components.emplace_back(OASE, nullptr, /*IsNonContiguous=*/false); |
20323 | return RelevantExpr || Visit(E); |
20324 | } |
20325 | bool VisitOMPArrayShapingExpr(OMPArrayShapingExpr *E) { |
20326 | Expr *Base = E->getBase(); |
20327 | |
20328 | // Record the component - we don't have any declaration associated. |
20329 | Components.emplace_back(E, nullptr, IsNonContiguous); |
20330 | |
20331 | return Visit(Base->IgnoreParenImpCasts()); |
20332 | } |
20333 | |
20334 | bool VisitUnaryOperator(UnaryOperator *UO) { |
20335 | if (SemaRef.getLangOpts().OpenMP < 50 || !UO->isLValue() || |
20336 | UO->getOpcode() != UO_Deref) { |
20337 | emitErrorMsg(); |
20338 | return false; |
20339 | } |
20340 | if (!RelevantExpr) { |
20341 | // Record the component if haven't found base decl. |
20342 | Components.emplace_back(UO, nullptr, /*IsNonContiguous=*/false); |
20343 | } |
20344 | return RelevantExpr || Visit(UO->getSubExpr()->IgnoreParenImpCasts()); |
20345 | } |
20346 | bool VisitBinaryOperator(BinaryOperator *BO) { |
20347 | if (SemaRef.getLangOpts().OpenMP < 50 || !BO->getType()->isPointerType()) { |
20348 | emitErrorMsg(); |
20349 | return false; |
20350 | } |
20351 | |
20352 | // Pointer arithmetic is the only thing we expect to happen here so after we |
20353 | // make sure the binary operator is a pointer type, the we only thing need |
20354 | // to to is to visit the subtree that has the same type as root (so that we |
20355 | // know the other subtree is just an offset) |
20356 | Expr *LE = BO->getLHS()->IgnoreParenImpCasts(); |
20357 | Expr *RE = BO->getRHS()->IgnoreParenImpCasts(); |
20358 | Components.emplace_back(BO, nullptr, false); |
20359 | assert((LE->getType().getTypePtr() == BO->getType().getTypePtr() ||(static_cast <bool> ((LE->getType().getTypePtr() == BO ->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && "Either LHS or RHS have base decl inside" ) ? void (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20361, __extension__ __PRETTY_FUNCTION__ )) |
20360 | RE->getType().getTypePtr() == BO->getType().getTypePtr()) &&(static_cast <bool> ((LE->getType().getTypePtr() == BO ->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && "Either LHS or RHS have base decl inside" ) ? void (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20361, __extension__ __PRETTY_FUNCTION__ )) |
20361 | "Either LHS or RHS have base decl inside")(static_cast <bool> ((LE->getType().getTypePtr() == BO ->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && "Either LHS or RHS have base decl inside" ) ? void (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20361, __extension__ __PRETTY_FUNCTION__ )); |
20362 | if (BO->getType().getTypePtr() == LE->getType().getTypePtr()) |
20363 | return RelevantExpr || Visit(LE); |
20364 | return RelevantExpr || Visit(RE); |
20365 | } |
20366 | bool VisitCXXThisExpr(CXXThisExpr *CTE) { |
20367 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast <bool> (!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? void (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20367, __extension__ __PRETTY_FUNCTION__ )); |
20368 | RelevantExpr = CTE; |
20369 | Components.emplace_back(CTE, nullptr, IsNonContiguous); |
20370 | return true; |
20371 | } |
20372 | bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr *COCE) { |
20373 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast <bool> (!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? void (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20373, __extension__ __PRETTY_FUNCTION__ )); |
20374 | Components.emplace_back(COCE, nullptr, IsNonContiguous); |
20375 | return true; |
20376 | } |
20377 | bool VisitOpaqueValueExpr(OpaqueValueExpr *E) { |
20378 | Expr *Source = E->getSourceExpr(); |
20379 | if (!Source) { |
20380 | emitErrorMsg(); |
20381 | return false; |
20382 | } |
20383 | return Visit(Source); |
20384 | } |
20385 | bool VisitStmt(Stmt *) { |
20386 | emitErrorMsg(); |
20387 | return false; |
20388 | } |
20389 | const Expr *getFoundBase() const { return RelevantExpr; } |
20390 | explicit MapBaseChecker( |
20391 | Sema &SemaRef, OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, |
20392 | OMPClauseMappableExprCommon::MappableExprComponentList &Components, |
20393 | bool NoDiagnose, SourceLocation &ELoc, SourceRange &ERange) |
20394 | : SemaRef(SemaRef), CKind(CKind), DKind(DKind), Components(Components), |
20395 | NoDiagnose(NoDiagnose), ELoc(ELoc), ERange(ERange) {} |
20396 | }; |
20397 | } // namespace |
20398 | |
20399 | /// Return the expression of the base of the mappable expression or null if it |
20400 | /// cannot be determined and do all the necessary checks to see if the |
20401 | /// expression is valid as a standalone mappable expression. In the process, |
20402 | /// record all the components of the expression. |
20403 | static const Expr *checkMapClauseExpressionBase( |
20404 | Sema &SemaRef, Expr *E, |
20405 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, |
20406 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose) { |
20407 | SourceLocation ELoc = E->getExprLoc(); |
20408 | SourceRange ERange = E->getSourceRange(); |
20409 | MapBaseChecker Checker(SemaRef, CKind, DKind, CurComponents, NoDiagnose, ELoc, |
20410 | ERange); |
20411 | if (Checker.Visit(E->IgnoreParens())) { |
20412 | // Check if the highest dimension array section has length specified |
20413 | if (SemaRef.getLangOpts().OpenMP >= 50 && !CurComponents.empty() && |
20414 | (CKind == OMPC_to || CKind == OMPC_from)) { |
20415 | auto CI = CurComponents.rbegin(); |
20416 | auto CE = CurComponents.rend(); |
20417 | for (; CI != CE; ++CI) { |
20418 | const auto *OASE = |
20419 | dyn_cast<OMPArraySectionExpr>(CI->getAssociatedExpression()); |
20420 | if (!OASE) |
20421 | continue; |
20422 | if (OASE && OASE->getLength()) |
20423 | break; |
20424 | SemaRef.Diag(ELoc, diag::err_array_section_does_not_specify_length) |
20425 | << ERange; |
20426 | } |
20427 | } |
20428 | return Checker.getFoundBase(); |
20429 | } |
20430 | return nullptr; |
20431 | } |
20432 | |
20433 | // Return true if expression E associated with value VD has conflicts with other |
20434 | // map information. |
20435 | static bool checkMapConflicts( |
20436 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, |
20437 | bool CurrentRegionOnly, |
20438 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, |
20439 | OpenMPClauseKind CKind) { |
20440 | assert(VD && E)(static_cast <bool> (VD && E) ? void (0) : __assert_fail ("VD && E", "clang/lib/Sema/SemaOpenMP.cpp", 20440, __extension__ __PRETTY_FUNCTION__)); |
20441 | SourceLocation ELoc = E->getExprLoc(); |
20442 | SourceRange ERange = E->getSourceRange(); |
20443 | |
20444 | // In order to easily check the conflicts we need to match each component of |
20445 | // the expression under test with the components of the expressions that are |
20446 | // already in the stack. |
20447 | |
20448 | assert(!CurComponents.empty() && "Map clause expression with no components!")(static_cast <bool> (!CurComponents.empty() && "Map clause expression with no components!" ) ? void (0) : __assert_fail ("!CurComponents.empty() && \"Map clause expression with no components!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20448, __extension__ __PRETTY_FUNCTION__ )); |
20449 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&(static_cast <bool> (CurComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20450, __extension__ __PRETTY_FUNCTION__ )) |
20450 | "Map clause expression with unexpected base!")(static_cast <bool> (CurComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20450, __extension__ __PRETTY_FUNCTION__ )); |
20451 | |
20452 | // Variables to help detecting enclosing problems in data environment nests. |
20453 | bool IsEnclosedByDataEnvironmentExpr = false; |
20454 | const Expr *EnclosingExpr = nullptr; |
20455 | |
20456 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( |
20457 | VD, CurrentRegionOnly, |
20458 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, |
20459 | ERange, CKind, &EnclosingExpr, |
20460 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef |
20461 | StackComponents, |
20462 | OpenMPClauseKind Kind) { |
20463 | if (CKind == Kind && SemaRef.LangOpts.OpenMP >= 50) |
20464 | return false; |
20465 | assert(!StackComponents.empty() &&(static_cast <bool> (!StackComponents.empty() && "Map clause expression with no components!") ? void (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20466, __extension__ __PRETTY_FUNCTION__ )) |
20466 | "Map clause expression with no components!")(static_cast <bool> (!StackComponents.empty() && "Map clause expression with no components!") ? void (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20466, __extension__ __PRETTY_FUNCTION__ )); |
20467 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&(static_cast <bool> (StackComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20468, __extension__ __PRETTY_FUNCTION__ )) |
20468 | "Map clause expression with unexpected base!")(static_cast <bool> (StackComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20468, __extension__ __PRETTY_FUNCTION__ )); |
20469 | (void)VD; |
20470 | |
20471 | // The whole expression in the stack. |
20472 | const Expr *RE = StackComponents.front().getAssociatedExpression(); |
20473 | |
20474 | // Expressions must start from the same base. Here we detect at which |
20475 | // point both expressions diverge from each other and see if we can |
20476 | // detect if the memory referred to both expressions is contiguous and |
20477 | // do not overlap. |
20478 | auto CI = CurComponents.rbegin(); |
20479 | auto CE = CurComponents.rend(); |
20480 | auto SI = StackComponents.rbegin(); |
20481 | auto SE = StackComponents.rend(); |
20482 | for (; CI != CE && SI != SE; ++CI, ++SI) { |
20483 | |
20484 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] |
20485 | // At most one list item can be an array item derived from a given |
20486 | // variable in map clauses of the same construct. |
20487 | if (CurrentRegionOnly && |
20488 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || |
20489 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression()) || |
20490 | isa<OMPArrayShapingExpr>(CI->getAssociatedExpression())) && |
20491 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || |
20492 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()) || |
20493 | isa<OMPArrayShapingExpr>(SI->getAssociatedExpression()))) { |
20494 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), |
20495 | diag::err_omp_multiple_array_items_in_map_clause) |
20496 | << CI->getAssociatedExpression()->getSourceRange(); |
20497 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), |
20498 | diag::note_used_here) |
20499 | << SI->getAssociatedExpression()->getSourceRange(); |
20500 | return true; |
20501 | } |
20502 | |
20503 | // Do both expressions have the same kind? |
20504 | if (CI->getAssociatedExpression()->getStmtClass() != |
20505 | SI->getAssociatedExpression()->getStmtClass()) |
20506 | break; |
20507 | |
20508 | // Are we dealing with different variables/fields? |
20509 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) |
20510 | break; |
20511 | } |
20512 | // Check if the extra components of the expressions in the enclosing |
20513 | // data environment are redundant for the current base declaration. |
20514 | // If they are, the maps completely overlap, which is legal. |
20515 | for (; SI != SE; ++SI) { |
20516 | QualType Type; |
20517 | if (const auto *ASE = |
20518 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { |
20519 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); |
20520 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( |
20521 | SI->getAssociatedExpression())) { |
20522 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); |
20523 | Type = |
20524 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); |
20525 | } else if (const auto *OASE = dyn_cast<OMPArrayShapingExpr>( |
20526 | SI->getAssociatedExpression())) { |
20527 | Type = OASE->getBase()->getType()->getPointeeType(); |
20528 | } |
20529 | if (Type.isNull() || Type->isAnyPointerType() || |
20530 | checkArrayExpressionDoesNotReferToWholeSize( |
20531 | SemaRef, SI->getAssociatedExpression(), Type)) |
20532 | break; |
20533 | } |
20534 | |
20535 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] |
20536 | // List items of map clauses in the same construct must not share |
20537 | // original storage. |
20538 | // |
20539 | // If the expressions are exactly the same or one is a subset of the |
20540 | // other, it means they are sharing storage. |
20541 | if (CI == CE && SI == SE) { |
20542 | if (CurrentRegionOnly) { |
20543 | if (CKind == OMPC_map) { |
20544 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; |
20545 | } else { |
20546 | assert(CKind == OMPC_to || CKind == OMPC_from)(static_cast <bool> (CKind == OMPC_to || CKind == OMPC_from ) ? void (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "clang/lib/Sema/SemaOpenMP.cpp", 20546, __extension__ __PRETTY_FUNCTION__ )); |
20547 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) |
20548 | << ERange; |
20549 | } |
20550 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
20551 | << RE->getSourceRange(); |
20552 | return true; |
20553 | } |
20554 | // If we find the same expression in the enclosing data environment, |
20555 | // that is legal. |
20556 | IsEnclosedByDataEnvironmentExpr = true; |
20557 | return false; |
20558 | } |
20559 | |
20560 | QualType DerivedType = |
20561 | std::prev(CI)->getAssociatedDeclaration()->getType(); |
20562 | SourceLocation DerivedLoc = |
20563 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); |
20564 | |
20565 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
20566 | // If the type of a list item is a reference to a type T then the type |
20567 | // will be considered to be T for all purposes of this clause. |
20568 | DerivedType = DerivedType.getNonReferenceType(); |
20569 | |
20570 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] |
20571 | // A variable for which the type is pointer and an array section |
20572 | // derived from that variable must not appear as list items of map |
20573 | // clauses of the same construct. |
20574 | // |
20575 | // Also, cover one of the cases in: |
20576 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] |
20577 | // If any part of the original storage of a list item has corresponding |
20578 | // storage in the device data environment, all of the original storage |
20579 | // must have corresponding storage in the device data environment. |
20580 | // |
20581 | if (DerivedType->isAnyPointerType()) { |
20582 | if (CI == CE || SI == SE) { |
20583 | SemaRef.Diag( |
20584 | DerivedLoc, |
20585 | diag::err_omp_pointer_mapped_along_with_derived_section) |
20586 | << DerivedLoc; |
20587 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
20588 | << RE->getSourceRange(); |
20589 | return true; |
20590 | } |
20591 | if (CI->getAssociatedExpression()->getStmtClass() != |
20592 | SI->getAssociatedExpression()->getStmtClass() || |
20593 | CI->getAssociatedDeclaration()->getCanonicalDecl() == |
20594 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { |
20595 | assert(CI != CE && SI != SE)(static_cast <bool> (CI != CE && SI != SE) ? void (0) : __assert_fail ("CI != CE && SI != SE", "clang/lib/Sema/SemaOpenMP.cpp" , 20595, __extension__ __PRETTY_FUNCTION__)); |
20596 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) |
20597 | << DerivedLoc; |
20598 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
20599 | << RE->getSourceRange(); |
20600 | return true; |
20601 | } |
20602 | } |
20603 | |
20604 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] |
20605 | // List items of map clauses in the same construct must not share |
20606 | // original storage. |
20607 | // |
20608 | // An expression is a subset of the other. |
20609 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { |
20610 | if (CKind == OMPC_map) { |
20611 | if (CI != CE || SI != SE) { |
20612 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is |
20613 | // a pointer. |
20614 | auto Begin = |
20615 | CI != CE ? CurComponents.begin() : StackComponents.begin(); |
20616 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); |
20617 | auto It = Begin; |
20618 | while (It != End && !It->getAssociatedDeclaration()) |
20619 | std::advance(It, 1); |
20620 | assert(It != End &&(static_cast <bool> (It != End && "Expected at least one component with the declaration." ) ? void (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20621, __extension__ __PRETTY_FUNCTION__ )) |
20621 | "Expected at least one component with the declaration.")(static_cast <bool> (It != End && "Expected at least one component with the declaration." ) ? void (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20621, __extension__ __PRETTY_FUNCTION__ )); |
20622 | if (It != Begin && It->getAssociatedDeclaration() |
20623 | ->getType() |
20624 | .getCanonicalType() |
20625 | ->isAnyPointerType()) { |
20626 | IsEnclosedByDataEnvironmentExpr = false; |
20627 | EnclosingExpr = nullptr; |
20628 | return false; |
20629 | } |
20630 | } |
20631 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; |
20632 | } else { |
20633 | assert(CKind == OMPC_to || CKind == OMPC_from)(static_cast <bool> (CKind == OMPC_to || CKind == OMPC_from ) ? void (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "clang/lib/Sema/SemaOpenMP.cpp", 20633, __extension__ __PRETTY_FUNCTION__ )); |
20634 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) |
20635 | << ERange; |
20636 | } |
20637 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
20638 | << RE->getSourceRange(); |
20639 | return true; |
20640 | } |
20641 | |
20642 | // The current expression uses the same base as other expression in the |
20643 | // data environment but does not contain it completely. |
20644 | if (!CurrentRegionOnly && SI != SE) |
20645 | EnclosingExpr = RE; |
20646 | |
20647 | // The current expression is a subset of the expression in the data |
20648 | // environment. |
20649 | IsEnclosedByDataEnvironmentExpr |= |
20650 | (!CurrentRegionOnly && CI != CE && SI == SE); |
20651 | |
20652 | return false; |
20653 | }); |
20654 | |
20655 | if (CurrentRegionOnly) |
20656 | return FoundError; |
20657 | |
20658 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] |
20659 | // If any part of the original storage of a list item has corresponding |
20660 | // storage in the device data environment, all of the original storage must |
20661 | // have corresponding storage in the device data environment. |
20662 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] |
20663 | // If a list item is an element of a structure, and a different element of |
20664 | // the structure has a corresponding list item in the device data environment |
20665 | // prior to a task encountering the construct associated with the map clause, |
20666 | // then the list item must also have a corresponding list item in the device |
20667 | // data environment prior to the task encountering the construct. |
20668 | // |
20669 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { |
20670 | SemaRef.Diag(ELoc, |
20671 | diag::err_omp_original_storage_is_shared_and_does_not_contain) |
20672 | << ERange; |
20673 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) |
20674 | << EnclosingExpr->getSourceRange(); |
20675 | return true; |
20676 | } |
20677 | |
20678 | return FoundError; |
20679 | } |
20680 | |
20681 | // Look up the user-defined mapper given the mapper name and mapped type, and |
20682 | // build a reference to it. |
20683 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, |
20684 | CXXScopeSpec &MapperIdScopeSpec, |
20685 | const DeclarationNameInfo &MapperId, |
20686 | QualType Type, |
20687 | Expr *UnresolvedMapper) { |
20688 | if (MapperIdScopeSpec.isInvalid()) |
20689 | return ExprError(); |
20690 | // Get the actual type for the array type. |
20691 | if (Type->isArrayType()) { |
20692 | assert(Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type")(static_cast <bool> (Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type") ? void (0) : __assert_fail ("Type->getAsArrayTypeUnsafe() && \"Expect to get a valid array type\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20692, __extension__ __PRETTY_FUNCTION__ )); |
20693 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); |
20694 | } |
20695 | // Find all user-defined mappers with the given MapperId. |
20696 | SmallVector<UnresolvedSet<8>, 4> Lookups; |
20697 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); |
20698 | Lookup.suppressDiagnostics(); |
20699 | if (S) { |
20700 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { |
20701 | NamedDecl *D = Lookup.getRepresentativeDecl(); |
20702 | while (S && !S->isDeclScope(D)) |
20703 | S = S->getParent(); |
20704 | if (S) |
20705 | S = S->getParent(); |
20706 | Lookups.emplace_back(); |
20707 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
20708 | Lookup.clear(); |
20709 | } |
20710 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { |
20711 | // Extract the user-defined mappers with the given MapperId. |
20712 | Lookups.push_back(UnresolvedSet<8>()); |
20713 | for (NamedDecl *D : ULE->decls()) { |
20714 | auto *DMD = cast<OMPDeclareMapperDecl>(D); |
20715 | assert(DMD && "Expect valid OMPDeclareMapperDecl during instantiation.")(static_cast <bool> (DMD && "Expect valid OMPDeclareMapperDecl during instantiation." ) ? void (0) : __assert_fail ("DMD && \"Expect valid OMPDeclareMapperDecl during instantiation.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20715, __extension__ __PRETTY_FUNCTION__ )); |
20716 | Lookups.back().addDecl(DMD); |
20717 | } |
20718 | } |
20719 | // Defer the lookup for dependent types. The results will be passed through |
20720 | // UnresolvedMapper on instantiation. |
20721 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || |
20722 | Type->isInstantiationDependentType() || |
20723 | Type->containsUnexpandedParameterPack() || |
20724 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { |
20725 | return !D->isInvalidDecl() && |
20726 | (D->getType()->isDependentType() || |
20727 | D->getType()->isInstantiationDependentType() || |
20728 | D->getType()->containsUnexpandedParameterPack()); |
20729 | })) { |
20730 | UnresolvedSet<8> URS; |
20731 | for (const UnresolvedSet<8> &Set : Lookups) { |
20732 | if (Set.empty()) |
20733 | continue; |
20734 | URS.append(Set.begin(), Set.end()); |
20735 | } |
20736 | return UnresolvedLookupExpr::Create( |
20737 | SemaRef.Context, /*NamingClass=*/nullptr, |
20738 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, |
20739 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); |
20740 | } |
20741 | SourceLocation Loc = MapperId.getLoc(); |
20742 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
20743 | // The type must be of struct, union or class type in C and C++ |
20744 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && |
20745 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { |
20746 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); |
20747 | return ExprError(); |
20748 | } |
20749 | // Perform argument dependent lookup. |
20750 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) |
20751 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); |
20752 | // Return the first user-defined mapper with the desired type. |
20753 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
20754 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { |
20755 | if (!D->isInvalidDecl() && |
20756 | SemaRef.Context.hasSameType(D->getType(), Type)) |
20757 | return D; |
20758 | return nullptr; |
20759 | })) |
20760 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); |
20761 | // Find the first user-defined mapper with a type derived from the desired |
20762 | // type. |
20763 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
20764 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { |
20765 | if (!D->isInvalidDecl() && |
20766 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && |
20767 | !Type.isMoreQualifiedThan(D->getType())) |
20768 | return D; |
20769 | return nullptr; |
20770 | })) { |
20771 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, |
20772 | /*DetectVirtual=*/false); |
20773 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { |
20774 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( |
20775 | VD->getType().getUnqualifiedType()))) { |
20776 | if (SemaRef.CheckBaseClassAccess( |
20777 | Loc, VD->getType(), Type, Paths.front(), |
20778 | /*DiagID=*/0) != Sema::AR_inaccessible) { |
20779 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); |
20780 | } |
20781 | } |
20782 | } |
20783 | } |
20784 | // Report error if a mapper is specified, but cannot be found. |
20785 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { |
20786 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) |
20787 | << Type << MapperId.getName(); |
20788 | return ExprError(); |
20789 | } |
20790 | return ExprEmpty(); |
20791 | } |
20792 | |
20793 | namespace { |
20794 | // Utility struct that gathers all the related lists associated with a mappable |
20795 | // expression. |
20796 | struct MappableVarListInfo { |
20797 | // The list of expressions. |
20798 | ArrayRef<Expr *> VarList; |
20799 | // The list of processed expressions. |
20800 | SmallVector<Expr *, 16> ProcessedVarList; |
20801 | // The mappble components for each expression. |
20802 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; |
20803 | // The base declaration of the variable. |
20804 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; |
20805 | // The reference to the user-defined mapper associated with every expression. |
20806 | SmallVector<Expr *, 16> UDMapperList; |
20807 | |
20808 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { |
20809 | // We have a list of components and base declarations for each entry in the |
20810 | // variable list. |
20811 | VarComponents.reserve(VarList.size()); |
20812 | VarBaseDeclarations.reserve(VarList.size()); |
20813 | } |
20814 | }; |
20815 | } // namespace |
20816 | |
20817 | // Check the validity of the provided variable list for the provided clause kind |
20818 | // \a CKind. In the check process the valid expressions, mappable expression |
20819 | // components, variables, and user-defined mappers are extracted and used to |
20820 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a |
20821 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, |
20822 | // and \a MapperId are expected to be valid if the clause kind is 'map'. |
20823 | static void checkMappableExpressionList( |
20824 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, |
20825 | MappableVarListInfo &MVLI, SourceLocation StartLoc, |
20826 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, |
20827 | ArrayRef<Expr *> UnresolvedMappers, |
20828 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, |
20829 | ArrayRef<OpenMPMapModifierKind> Modifiers = None, |
20830 | bool IsMapTypeImplicit = false, bool NoDiagnose = false) { |
20831 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. |
20832 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&(static_cast <bool> ((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && "Unexpected clause kind with mappable expressions!" ) ? void (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20833, __extension__ __PRETTY_FUNCTION__ )) |
20833 | "Unexpected clause kind with mappable expressions!")(static_cast <bool> ((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && "Unexpected clause kind with mappable expressions!" ) ? void (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20833, __extension__ __PRETTY_FUNCTION__ )); |
20834 | |
20835 | // If the identifier of user-defined mapper is not specified, it is "default". |
20836 | // We do not change the actual name in this clause to distinguish whether a |
20837 | // mapper is specified explicitly, i.e., it is not explicitly specified when |
20838 | // MapperId.getName() is empty. |
20839 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { |
20840 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; |
20841 | MapperId.setName(DeclNames.getIdentifier( |
20842 | &SemaRef.getASTContext().Idents.get("default"))); |
20843 | MapperId.setLoc(StartLoc); |
20844 | } |
20845 | |
20846 | // Iterators to find the current unresolved mapper expression. |
20847 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); |
20848 | bool UpdateUMIt = false; |
20849 | Expr *UnresolvedMapper = nullptr; |
20850 | |
20851 | bool HasHoldModifier = |
20852 | llvm::is_contained(Modifiers, OMPC_MAP_MODIFIER_ompx_hold); |
20853 | |
20854 | // Keep track of the mappable components and base declarations in this clause. |
20855 | // Each entry in the list is going to have a list of components associated. We |
20856 | // record each set of the components so that we can build the clause later on. |
20857 | // In the end we should have the same amount of declarations and component |
20858 | // lists. |
20859 | |
20860 | for (Expr *RE : MVLI.VarList) { |
20861 | assert(RE && "Null expr in omp to/from/map clause")(static_cast <bool> (RE && "Null expr in omp to/from/map clause" ) ? void (0) : __assert_fail ("RE && \"Null expr in omp to/from/map clause\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20861, __extension__ __PRETTY_FUNCTION__ )); |
20862 | SourceLocation ELoc = RE->getExprLoc(); |
20863 | |
20864 | // Find the current unresolved mapper expression. |
20865 | if (UpdateUMIt && UMIt != UMEnd) { |
20866 | UMIt++; |
20867 | assert((static_cast <bool> (UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? void (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20869, __extension__ __PRETTY_FUNCTION__ )) |
20868 | UMIt != UMEnd &&(static_cast <bool> (UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? void (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20869, __extension__ __PRETTY_FUNCTION__ )) |
20869 | "Expect the size of UnresolvedMappers to match with that of VarList")(static_cast <bool> (UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? void (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20869, __extension__ __PRETTY_FUNCTION__ )); |
20870 | } |
20871 | UpdateUMIt = true; |
20872 | if (UMIt != UMEnd) |
20873 | UnresolvedMapper = *UMIt; |
20874 | |
20875 | const Expr *VE = RE->IgnoreParenLValueCasts(); |
20876 | |
20877 | if (VE->isValueDependent() || VE->isTypeDependent() || |
20878 | VE->isInstantiationDependent() || |
20879 | VE->containsUnexpandedParameterPack()) { |
20880 | // Try to find the associated user-defined mapper. |
20881 | ExprResult ER = buildUserDefinedMapperRef( |
20882 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
20883 | VE->getType().getCanonicalType(), UnresolvedMapper); |
20884 | if (ER.isInvalid()) |
20885 | continue; |
20886 | MVLI.UDMapperList.push_back(ER.get()); |
20887 | // We can only analyze this information once the missing information is |
20888 | // resolved. |
20889 | MVLI.ProcessedVarList.push_back(RE); |
20890 | continue; |
20891 | } |
20892 | |
20893 | Expr *SimpleExpr = RE->IgnoreParenCasts(); |
20894 | |
20895 | if (!RE->isLValue()) { |
20896 | if (SemaRef.getLangOpts().OpenMP < 50) { |
20897 | SemaRef.Diag( |
20898 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) |
20899 | << RE->getSourceRange(); |
20900 | } else { |
20901 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) |
20902 | << getOpenMPClauseName(CKind) << RE->getSourceRange(); |
20903 | } |
20904 | continue; |
20905 | } |
20906 | |
20907 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; |
20908 | ValueDecl *CurDeclaration = nullptr; |
20909 | |
20910 | // Obtain the array or member expression bases if required. Also, fill the |
20911 | // components array with all the components identified in the process. |
20912 | const Expr *BE = |
20913 | checkMapClauseExpressionBase(SemaRef, SimpleExpr, CurComponents, CKind, |
20914 | DSAS->getCurrentDirective(), NoDiagnose); |
20915 | if (!BE) |
20916 | continue; |
20917 | |
20918 | assert(!CurComponents.empty() &&(static_cast <bool> (!CurComponents.empty() && "Invalid mappable expression information." ) ? void (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20919, __extension__ __PRETTY_FUNCTION__ )) |
20919 | "Invalid mappable expression information.")(static_cast <bool> (!CurComponents.empty() && "Invalid mappable expression information." ) ? void (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20919, __extension__ __PRETTY_FUNCTION__ )); |
20920 | |
20921 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { |
20922 | // Add store "this" pointer to class in DSAStackTy for future checking |
20923 | DSAS->addMappedClassesQualTypes(TE->getType()); |
20924 | // Try to find the associated user-defined mapper. |
20925 | ExprResult ER = buildUserDefinedMapperRef( |
20926 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
20927 | VE->getType().getCanonicalType(), UnresolvedMapper); |
20928 | if (ER.isInvalid()) |
20929 | continue; |
20930 | MVLI.UDMapperList.push_back(ER.get()); |
20931 | // Skip restriction checking for variable or field declarations |
20932 | MVLI.ProcessedVarList.push_back(RE); |
20933 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
20934 | MVLI.VarComponents.back().append(CurComponents.begin(), |
20935 | CurComponents.end()); |
20936 | MVLI.VarBaseDeclarations.push_back(nullptr); |
20937 | continue; |
20938 | } |
20939 | |
20940 | // For the following checks, we rely on the base declaration which is |
20941 | // expected to be associated with the last component. The declaration is |
20942 | // expected to be a variable or a field (if 'this' is being mapped). |
20943 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); |
20944 | assert(CurDeclaration && "Null decl on map clause.")(static_cast <bool> (CurDeclaration && "Null decl on map clause." ) ? void (0) : __assert_fail ("CurDeclaration && \"Null decl on map clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20944, __extension__ __PRETTY_FUNCTION__ )); |
20945 | assert((static_cast <bool> (CurDeclaration->isCanonicalDecl () && "Expecting components to have associated only canonical declarations." ) ? void (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20947, __extension__ __PRETTY_FUNCTION__ )) |
20946 | CurDeclaration->isCanonicalDecl() &&(static_cast <bool> (CurDeclaration->isCanonicalDecl () && "Expecting components to have associated only canonical declarations." ) ? void (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20947, __extension__ __PRETTY_FUNCTION__ )) |
20947 | "Expecting components to have associated only canonical declarations.")(static_cast <bool> (CurDeclaration->isCanonicalDecl () && "Expecting components to have associated only canonical declarations." ) ? void (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20947, __extension__ __PRETTY_FUNCTION__ )); |
20948 | |
20949 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); |
20950 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); |
20951 | |
20952 | assert((VD || FD) && "Only variables or fields are expected here!")(static_cast <bool> ((VD || FD) && "Only variables or fields are expected here!" ) ? void (0) : __assert_fail ("(VD || FD) && \"Only variables or fields are expected here!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20952, __extension__ __PRETTY_FUNCTION__ )); |
20953 | (void)FD; |
20954 | |
20955 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] |
20956 | // threadprivate variables cannot appear in a map clause. |
20957 | // OpenMP 4.5 [2.10.5, target update Construct] |
20958 | // threadprivate variables cannot appear in a from clause. |
20959 | if (VD && DSAS->isThreadPrivate(VD)) { |
20960 | if (NoDiagnose) |
20961 | continue; |
20962 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); |
20963 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) |
20964 | << getOpenMPClauseName(CKind); |
20965 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); |
20966 | continue; |
20967 | } |
20968 | |
20969 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] |
20970 | // A list item cannot appear in both a map clause and a data-sharing |
20971 | // attribute clause on the same construct. |
20972 | |
20973 | // Check conflicts with other map clause expressions. We check the conflicts |
20974 | // with the current construct separately from the enclosing data |
20975 | // environment, because the restrictions are different. We only have to |
20976 | // check conflicts across regions for the map clauses. |
20977 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, |
20978 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) |
20979 | break; |
20980 | if (CKind == OMPC_map && |
20981 | (SemaRef.getLangOpts().OpenMP <= 45 || StartLoc.isValid()) && |
20982 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, |
20983 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) |
20984 | break; |
20985 | |
20986 | // OpenMP 4.5 [2.10.5, target update Construct] |
20987 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
20988 | // If the type of a list item is a reference to a type T then the type will |
20989 | // be considered to be T for all purposes of this clause. |
20990 | auto I = llvm::find_if( |
20991 | CurComponents, |
20992 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { |
20993 | return MC.getAssociatedDeclaration(); |
20994 | }); |
20995 | assert(I != CurComponents.end() && "Null decl on map clause.")(static_cast <bool> (I != CurComponents.end() && "Null decl on map clause.") ? void (0) : __assert_fail ("I != CurComponents.end() && \"Null decl on map clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 20995, __extension__ __PRETTY_FUNCTION__ )); |
20996 | (void)I; |
20997 | QualType Type; |
20998 | auto *ASE = dyn_cast<ArraySubscriptExpr>(VE->IgnoreParens()); |
20999 | auto *OASE = dyn_cast<OMPArraySectionExpr>(VE->IgnoreParens()); |
21000 | auto *OAShE = dyn_cast<OMPArrayShapingExpr>(VE->IgnoreParens()); |
21001 | if (ASE) { |
21002 | Type = ASE->getType().getNonReferenceType(); |
21003 | } else if (OASE) { |
21004 | QualType BaseType = |
21005 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
21006 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
21007 | Type = ATy->getElementType(); |
21008 | else |
21009 | Type = BaseType->getPointeeType(); |
21010 | Type = Type.getNonReferenceType(); |
21011 | } else if (OAShE) { |
21012 | Type = OAShE->getBase()->getType()->getPointeeType(); |
21013 | } else { |
21014 | Type = VE->getType(); |
21015 | } |
21016 | |
21017 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] |
21018 | // A list item in a to or from clause must have a mappable type. |
21019 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] |
21020 | // A list item must have a mappable type. |
21021 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, |
21022 | DSAS, Type, /*FullCheck=*/true)) |
21023 | continue; |
21024 | |
21025 | if (CKind == OMPC_map) { |
21026 | // target enter data |
21027 | // OpenMP [2.10.2, Restrictions, p. 99] |
21028 | // A map-type must be specified in all map clauses and must be either |
21029 | // to or alloc. |
21030 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); |
21031 | if (DKind == OMPD_target_enter_data && |
21032 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { |
21033 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
21034 | << (IsMapTypeImplicit ? 1 : 0) |
21035 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
21036 | << getOpenMPDirectiveName(DKind); |
21037 | continue; |
21038 | } |
21039 | |
21040 | // target exit_data |
21041 | // OpenMP [2.10.3, Restrictions, p. 102] |
21042 | // A map-type must be specified in all map clauses and must be either |
21043 | // from, release, or delete. |
21044 | if (DKind == OMPD_target_exit_data && |
21045 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || |
21046 | MapType == OMPC_MAP_delete)) { |
21047 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
21048 | << (IsMapTypeImplicit ? 1 : 0) |
21049 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
21050 | << getOpenMPDirectiveName(DKind); |
21051 | continue; |
21052 | } |
21053 | |
21054 | // The 'ompx_hold' modifier is specifically intended to be used on a |
21055 | // 'target' or 'target data' directive to prevent data from being unmapped |
21056 | // during the associated statement. It is not permitted on a 'target |
21057 | // enter data' or 'target exit data' directive, which have no associated |
21058 | // statement. |
21059 | if ((DKind == OMPD_target_enter_data || DKind == OMPD_target_exit_data) && |
21060 | HasHoldModifier) { |
21061 | SemaRef.Diag(StartLoc, |
21062 | diag::err_omp_invalid_map_type_modifier_for_directive) |
21063 | << getOpenMPSimpleClauseTypeName(OMPC_map, |
21064 | OMPC_MAP_MODIFIER_ompx_hold) |
21065 | << getOpenMPDirectiveName(DKind); |
21066 | continue; |
21067 | } |
21068 | |
21069 | // target, target data |
21070 | // OpenMP 5.0 [2.12.2, Restrictions, p. 163] |
21071 | // OpenMP 5.0 [2.12.5, Restrictions, p. 174] |
21072 | // A map-type in a map clause must be to, from, tofrom or alloc |
21073 | if ((DKind == OMPD_target_data || |
21074 | isOpenMPTargetExecutionDirective(DKind)) && |
21075 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_from || |
21076 | MapType == OMPC_MAP_tofrom || MapType == OMPC_MAP_alloc)) { |
21077 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
21078 | << (IsMapTypeImplicit ? 1 : 0) |
21079 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
21080 | << getOpenMPDirectiveName(DKind); |
21081 | continue; |
21082 | } |
21083 | |
21084 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
21085 | // A list item cannot appear in both a map clause and a data-sharing |
21086 | // attribute clause on the same construct |
21087 | // |
21088 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
21089 | // A list item cannot appear in both a map clause and a data-sharing |
21090 | // attribute clause on the same construct unless the construct is a |
21091 | // combined construct. |
21092 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && |
21093 | isOpenMPTargetExecutionDirective(DKind)) || |
21094 | DKind == OMPD_target)) { |
21095 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); |
21096 | if (isOpenMPPrivate(DVar.CKind)) { |
21097 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
21098 | << getOpenMPClauseName(DVar.CKind) |
21099 | << getOpenMPClauseName(OMPC_map) |
21100 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); |
21101 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); |
21102 | continue; |
21103 | } |
21104 | } |
21105 | } |
21106 | |
21107 | // Try to find the associated user-defined mapper. |
21108 | ExprResult ER = buildUserDefinedMapperRef( |
21109 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
21110 | Type.getCanonicalType(), UnresolvedMapper); |
21111 | if (ER.isInvalid()) |
21112 | continue; |
21113 | MVLI.UDMapperList.push_back(ER.get()); |
21114 | |
21115 | // Save the current expression. |
21116 | MVLI.ProcessedVarList.push_back(RE); |
21117 | |
21118 | // Store the components in the stack so that they can be used to check |
21119 | // against other clauses later on. |
21120 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, |
21121 | /*WhereFoundClauseKind=*/OMPC_map); |
21122 | |
21123 | // Save the components and declaration to create the clause. For purposes of |
21124 | // the clause creation, any component list that has has base 'this' uses |
21125 | // null as base declaration. |
21126 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
21127 | MVLI.VarComponents.back().append(CurComponents.begin(), |
21128 | CurComponents.end()); |
21129 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr |
21130 | : CurDeclaration); |
21131 | } |
21132 | } |
21133 | |
21134 | OMPClause *Sema::ActOnOpenMPMapClause( |
21135 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, |
21136 | ArrayRef<SourceLocation> MapTypeModifiersLoc, |
21137 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
21138 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, |
21139 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
21140 | const OMPVarListLocTy &Locs, bool NoDiagnose, |
21141 | ArrayRef<Expr *> UnresolvedMappers) { |
21142 | OpenMPMapModifierKind Modifiers[] = { |
21143 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, |
21144 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, |
21145 | OMPC_MAP_MODIFIER_unknown}; |
21146 | SourceLocation ModifiersLoc[NumberOfOMPMapClauseModifiers]; |
21147 | |
21148 | // Process map-type-modifiers, flag errors for duplicate modifiers. |
21149 | unsigned Count = 0; |
21150 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { |
21151 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && |
21152 | llvm::is_contained(Modifiers, MapTypeModifiers[I])) { |
21153 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); |
21154 | continue; |
21155 | } |
21156 | assert(Count < NumberOfOMPMapClauseModifiers &&(static_cast <bool> (Count < NumberOfOMPMapClauseModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? void (0) : __assert_fail ("Count < NumberOfOMPMapClauseModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21157, __extension__ __PRETTY_FUNCTION__ )) |
21157 | "Modifiers exceed the allowed number of map type modifiers")(static_cast <bool> (Count < NumberOfOMPMapClauseModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? void (0) : __assert_fail ("Count < NumberOfOMPMapClauseModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21157, __extension__ __PRETTY_FUNCTION__ )); |
21158 | Modifiers[Count] = MapTypeModifiers[I]; |
21159 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; |
21160 | ++Count; |
21161 | } |
21162 | |
21163 | MappableVarListInfo MVLI(VarList); |
21164 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, |
21165 | MapperIdScopeSpec, MapperId, UnresolvedMappers, |
21166 | MapType, Modifiers, IsMapTypeImplicit, |
21167 | NoDiagnose); |
21168 | |
21169 | // We need to produce a map clause even if we don't have variables so that |
21170 | // other diagnostics related with non-existing map clauses are accurate. |
21171 | return OMPMapClause::Create(Context, Locs, MVLI.ProcessedVarList, |
21172 | MVLI.VarBaseDeclarations, MVLI.VarComponents, |
21173 | MVLI.UDMapperList, Modifiers, ModifiersLoc, |
21174 | MapperIdScopeSpec.getWithLocInContext(Context), |
21175 | MapperId, MapType, IsMapTypeImplicit, MapLoc); |
21176 | } |
21177 | |
21178 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, |
21179 | TypeResult ParsedType) { |
21180 | assert(ParsedType.isUsable())(static_cast <bool> (ParsedType.isUsable()) ? void (0) : __assert_fail ("ParsedType.isUsable()", "clang/lib/Sema/SemaOpenMP.cpp" , 21180, __extension__ __PRETTY_FUNCTION__)); |
21181 | |
21182 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); |
21183 | if (ReductionType.isNull()) |
21184 | return QualType(); |
21185 | |
21186 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ |
21187 | // A type name in a declare reduction directive cannot be a function type, an |
21188 | // array type, a reference type, or a type qualified with const, volatile or |
21189 | // restrict. |
21190 | if (ReductionType.hasQualifiers()) { |
21191 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; |
21192 | return QualType(); |
21193 | } |
21194 | |
21195 | if (ReductionType->isFunctionType()) { |
21196 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; |
21197 | return QualType(); |
21198 | } |
21199 | if (ReductionType->isReferenceType()) { |
21200 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; |
21201 | return QualType(); |
21202 | } |
21203 | if (ReductionType->isArrayType()) { |
21204 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; |
21205 | return QualType(); |
21206 | } |
21207 | return ReductionType; |
21208 | } |
21209 | |
21210 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( |
21211 | Scope *S, DeclContext *DC, DeclarationName Name, |
21212 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, |
21213 | AccessSpecifier AS, Decl *PrevDeclInScope) { |
21214 | SmallVector<Decl *, 8> Decls; |
21215 | Decls.reserve(ReductionTypes.size()); |
21216 | |
21217 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, |
21218 | forRedeclarationInCurContext()); |
21219 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions |
21220 | // A reduction-identifier may not be re-declared in the current scope for the |
21221 | // same type or for a type that is compatible according to the base language |
21222 | // rules. |
21223 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; |
21224 | OMPDeclareReductionDecl *PrevDRD = nullptr; |
21225 | bool InCompoundScope = true; |
21226 | if (S != nullptr) { |
21227 | // Find previous declaration with the same name not referenced in other |
21228 | // declarations. |
21229 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); |
21230 | InCompoundScope = |
21231 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); |
21232 | LookupName(Lookup, S); |
21233 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, |
21234 | /*AllowInlineNamespace=*/false); |
21235 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; |
21236 | LookupResult::Filter Filter = Lookup.makeFilter(); |
21237 | while (Filter.hasNext()) { |
21238 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); |
21239 | if (InCompoundScope) { |
21240 | auto I = UsedAsPrevious.find(PrevDecl); |
21241 | if (I == UsedAsPrevious.end()) |
21242 | UsedAsPrevious[PrevDecl] = false; |
21243 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) |
21244 | UsedAsPrevious[D] = true; |
21245 | } |
21246 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = |
21247 | PrevDecl->getLocation(); |
21248 | } |
21249 | Filter.done(); |
21250 | if (InCompoundScope) { |
21251 | for (const auto &PrevData : UsedAsPrevious) { |
21252 | if (!PrevData.second) { |
21253 | PrevDRD = PrevData.first; |
21254 | break; |
21255 | } |
21256 | } |
21257 | } |
21258 | } else if (PrevDeclInScope != nullptr) { |
21259 | auto *PrevDRDInScope = PrevDRD = |
21260 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); |
21261 | do { |
21262 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = |
21263 | PrevDRDInScope->getLocation(); |
21264 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); |
21265 | } while (PrevDRDInScope != nullptr); |
21266 | } |
21267 | for (const auto &TyData : ReductionTypes) { |
21268 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); |
21269 | bool Invalid = false; |
21270 | if (I != PreviousRedeclTypes.end()) { |
21271 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) |
21272 | << TyData.first; |
21273 | Diag(I->second, diag::note_previous_definition); |
21274 | Invalid = true; |
21275 | } |
21276 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; |
21277 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, |
21278 | Name, TyData.first, PrevDRD); |
21279 | DC->addDecl(DRD); |
21280 | DRD->setAccess(AS); |
21281 | Decls.push_back(DRD); |
21282 | if (Invalid) |
21283 | DRD->setInvalidDecl(); |
21284 | else |
21285 | PrevDRD = DRD; |
21286 | } |
21287 | |
21288 | return DeclGroupPtrTy::make( |
21289 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); |
21290 | } |
21291 | |
21292 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { |
21293 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
21294 | |
21295 | // Enter new function scope. |
21296 | PushFunctionScope(); |
21297 | setFunctionHasBranchProtectedScope(); |
21298 | getCurFunction()->setHasOMPDeclareReductionCombiner(); |
21299 | |
21300 | if (S != nullptr) |
21301 | PushDeclContext(S, DRD); |
21302 | else |
21303 | CurContext = DRD; |
21304 | |
21305 | PushExpressionEvaluationContext( |
21306 | ExpressionEvaluationContext::PotentiallyEvaluated); |
21307 | |
21308 | QualType ReductionType = DRD->getType(); |
21309 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will |
21310 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' |
21311 | // uses semantics of argument handles by value, but it should be passed by |
21312 | // reference. C lang does not support references, so pass all parameters as |
21313 | // pointers. |
21314 | // Create 'T omp_in;' variable. |
21315 | VarDecl *OmpInParm = |
21316 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); |
21317 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will |
21318 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' |
21319 | // uses semantics of argument handles by value, but it should be passed by |
21320 | // reference. C lang does not support references, so pass all parameters as |
21321 | // pointers. |
21322 | // Create 'T omp_out;' variable. |
21323 | VarDecl *OmpOutParm = |
21324 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); |
21325 | if (S != nullptr) { |
21326 | PushOnScopeChains(OmpInParm, S); |
21327 | PushOnScopeChains(OmpOutParm, S); |
21328 | } else { |
21329 | DRD->addDecl(OmpInParm); |
21330 | DRD->addDecl(OmpOutParm); |
21331 | } |
21332 | Expr *InE = |
21333 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); |
21334 | Expr *OutE = |
21335 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); |
21336 | DRD->setCombinerData(InE, OutE); |
21337 | } |
21338 | |
21339 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { |
21340 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
21341 | DiscardCleanupsInEvaluationContext(); |
21342 | PopExpressionEvaluationContext(); |
21343 | |
21344 | PopDeclContext(); |
21345 | PopFunctionScopeInfo(); |
21346 | |
21347 | if (Combiner != nullptr) |
21348 | DRD->setCombiner(Combiner); |
21349 | else |
21350 | DRD->setInvalidDecl(); |
21351 | } |
21352 | |
21353 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { |
21354 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
21355 | |
21356 | // Enter new function scope. |
21357 | PushFunctionScope(); |
21358 | setFunctionHasBranchProtectedScope(); |
21359 | |
21360 | if (S != nullptr) |
21361 | PushDeclContext(S, DRD); |
21362 | else |
21363 | CurContext = DRD; |
21364 | |
21365 | PushExpressionEvaluationContext( |
21366 | ExpressionEvaluationContext::PotentiallyEvaluated); |
21367 | |
21368 | QualType ReductionType = DRD->getType(); |
21369 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will |
21370 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' |
21371 | // uses semantics of argument handles by value, but it should be passed by |
21372 | // reference. C lang does not support references, so pass all parameters as |
21373 | // pointers. |
21374 | // Create 'T omp_priv;' variable. |
21375 | VarDecl *OmpPrivParm = |
21376 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); |
21377 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will |
21378 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' |
21379 | // uses semantics of argument handles by value, but it should be passed by |
21380 | // reference. C lang does not support references, so pass all parameters as |
21381 | // pointers. |
21382 | // Create 'T omp_orig;' variable. |
21383 | VarDecl *OmpOrigParm = |
21384 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); |
21385 | if (S != nullptr) { |
21386 | PushOnScopeChains(OmpPrivParm, S); |
21387 | PushOnScopeChains(OmpOrigParm, S); |
21388 | } else { |
21389 | DRD->addDecl(OmpPrivParm); |
21390 | DRD->addDecl(OmpOrigParm); |
21391 | } |
21392 | Expr *OrigE = |
21393 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); |
21394 | Expr *PrivE = |
21395 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); |
21396 | DRD->setInitializerData(OrigE, PrivE); |
21397 | return OmpPrivParm; |
21398 | } |
21399 | |
21400 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, |
21401 | VarDecl *OmpPrivParm) { |
21402 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
21403 | DiscardCleanupsInEvaluationContext(); |
21404 | PopExpressionEvaluationContext(); |
21405 | |
21406 | PopDeclContext(); |
21407 | PopFunctionScopeInfo(); |
21408 | |
21409 | if (Initializer != nullptr) { |
21410 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); |
21411 | } else if (OmpPrivParm->hasInit()) { |
21412 | DRD->setInitializer(OmpPrivParm->getInit(), |
21413 | OmpPrivParm->isDirectInit() |
21414 | ? OMPDeclareReductionDecl::DirectInit |
21415 | : OMPDeclareReductionDecl::CopyInit); |
21416 | } else { |
21417 | DRD->setInvalidDecl(); |
21418 | } |
21419 | } |
21420 | |
21421 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( |
21422 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { |
21423 | for (Decl *D : DeclReductions.get()) { |
21424 | if (IsValid) { |
21425 | if (S) |
21426 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, |
21427 | /*AddToContext=*/false); |
21428 | } else { |
21429 | D->setInvalidDecl(); |
21430 | } |
21431 | } |
21432 | return DeclReductions; |
21433 | } |
21434 | |
21435 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { |
21436 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); |
21437 | QualType T = TInfo->getType(); |
21438 | if (D.isInvalidType()) |
21439 | return true; |
21440 | |
21441 | if (getLangOpts().CPlusPlus) { |
21442 | // Check that there are no default arguments (C++ only). |
21443 | CheckExtraCXXDefaultArguments(D); |
21444 | } |
21445 | |
21446 | return CreateParsedType(T, TInfo); |
21447 | } |
21448 | |
21449 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, |
21450 | TypeResult ParsedType) { |
21451 | assert(ParsedType.isUsable() && "Expect usable parsed mapper type")(static_cast <bool> (ParsedType.isUsable() && "Expect usable parsed mapper type" ) ? void (0) : __assert_fail ("ParsedType.isUsable() && \"Expect usable parsed mapper type\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21451, __extension__ __PRETTY_FUNCTION__ )); |
21452 | |
21453 | QualType MapperType = GetTypeFromParser(ParsedType.get()); |
21454 | assert(!MapperType.isNull() && "Expect valid mapper type")(static_cast <bool> (!MapperType.isNull() && "Expect valid mapper type" ) ? void (0) : __assert_fail ("!MapperType.isNull() && \"Expect valid mapper type\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21454, __extension__ __PRETTY_FUNCTION__ )); |
21455 | |
21456 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
21457 | // The type must be of struct, union or class type in C and C++ |
21458 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { |
21459 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); |
21460 | return QualType(); |
21461 | } |
21462 | return MapperType; |
21463 | } |
21464 | |
21465 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareMapperDirective( |
21466 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, |
21467 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, |
21468 | Expr *MapperVarRef, ArrayRef<OMPClause *> Clauses, Decl *PrevDeclInScope) { |
21469 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, |
21470 | forRedeclarationInCurContext()); |
21471 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
21472 | // A mapper-identifier may not be redeclared in the current scope for the |
21473 | // same type or for a type that is compatible according to the base language |
21474 | // rules. |
21475 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; |
21476 | OMPDeclareMapperDecl *PrevDMD = nullptr; |
21477 | bool InCompoundScope = true; |
21478 | if (S != nullptr) { |
21479 | // Find previous declaration with the same name not referenced in other |
21480 | // declarations. |
21481 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); |
21482 | InCompoundScope = |
21483 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); |
21484 | LookupName(Lookup, S); |
21485 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, |
21486 | /*AllowInlineNamespace=*/false); |
21487 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; |
21488 | LookupResult::Filter Filter = Lookup.makeFilter(); |
21489 | while (Filter.hasNext()) { |
21490 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); |
21491 | if (InCompoundScope) { |
21492 | auto I = UsedAsPrevious.find(PrevDecl); |
21493 | if (I == UsedAsPrevious.end()) |
21494 | UsedAsPrevious[PrevDecl] = false; |
21495 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) |
21496 | UsedAsPrevious[D] = true; |
21497 | } |
21498 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = |
21499 | PrevDecl->getLocation(); |
21500 | } |
21501 | Filter.done(); |
21502 | if (InCompoundScope) { |
21503 | for (const auto &PrevData : UsedAsPrevious) { |
21504 | if (!PrevData.second) { |
21505 | PrevDMD = PrevData.first; |
21506 | break; |
21507 | } |
21508 | } |
21509 | } |
21510 | } else if (PrevDeclInScope) { |
21511 | auto *PrevDMDInScope = PrevDMD = |
21512 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); |
21513 | do { |
21514 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = |
21515 | PrevDMDInScope->getLocation(); |
21516 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); |
21517 | } while (PrevDMDInScope != nullptr); |
21518 | } |
21519 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); |
21520 | bool Invalid = false; |
21521 | if (I != PreviousRedeclTypes.end()) { |
21522 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) |
21523 | << MapperType << Name; |
21524 | Diag(I->second, diag::note_previous_definition); |
21525 | Invalid = true; |
21526 | } |
21527 | // Build expressions for implicit maps of data members with 'default' |
21528 | // mappers. |
21529 | SmallVector<OMPClause *, 4> ClausesWithImplicit(Clauses.begin(), |
21530 | Clauses.end()); |
21531 | if (LangOpts.OpenMP >= 50) |
21532 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ClausesWithImplicit); |
21533 | auto *DMD = |
21534 | OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, MapperType, VN, |
21535 | ClausesWithImplicit, PrevDMD); |
21536 | if (S) |
21537 | PushOnScopeChains(DMD, S); |
21538 | else |
21539 | DC->addDecl(DMD); |
21540 | DMD->setAccess(AS); |
21541 | if (Invalid) |
21542 | DMD->setInvalidDecl(); |
21543 | |
21544 | auto *VD = cast<DeclRefExpr>(MapperVarRef)->getDecl(); |
21545 | VD->setDeclContext(DMD); |
21546 | VD->setLexicalDeclContext(DMD); |
21547 | DMD->addDecl(VD); |
21548 | DMD->setMapperVarRef(MapperVarRef); |
21549 | |
21550 | return DeclGroupPtrTy::make(DeclGroupRef(DMD)); |
21551 | } |
21552 | |
21553 | ExprResult |
21554 | Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(Scope *S, QualType MapperType, |
21555 | SourceLocation StartLoc, |
21556 | DeclarationName VN) { |
21557 | TypeSourceInfo *TInfo = |
21558 | Context.getTrivialTypeSourceInfo(MapperType, StartLoc); |
21559 | auto *VD = VarDecl::Create(Context, Context.getTranslationUnitDecl(), |
21560 | StartLoc, StartLoc, VN.getAsIdentifierInfo(), |
21561 | MapperType, TInfo, SC_None); |
21562 | if (S) |
21563 | PushOnScopeChains(VD, S, /*AddToContext=*/false); |
21564 | Expr *E = buildDeclRefExpr(*this, VD, MapperType, StartLoc); |
21565 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDeclareMapperVarRef(E); |
21566 | return E; |
21567 | } |
21568 | |
21569 | bool Sema::isOpenMPDeclareMapperVarDeclAllowed(const VarDecl *VD) const { |
21570 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")(static_cast <bool> (LangOpts.OpenMP && "Expected OpenMP mode." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP mode.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21570, __extension__ __PRETTY_FUNCTION__ )); |
21571 | const Expr *Ref = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef(); |
21572 | if (const auto *DRE = cast_or_null<DeclRefExpr>(Ref)) { |
21573 | if (VD->getCanonicalDecl() == DRE->getDecl()->getCanonicalDecl()) |
21574 | return true; |
21575 | if (VD->isUsableInConstantExpressions(Context)) |
21576 | return true; |
21577 | return false; |
21578 | } |
21579 | return true; |
21580 | } |
21581 | |
21582 | const ValueDecl *Sema::getOpenMPDeclareMapperVarName() const { |
21583 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")(static_cast <bool> (LangOpts.OpenMP && "Expected OpenMP mode." ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP mode.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21583, __extension__ __PRETTY_FUNCTION__ )); |
21584 | return cast<DeclRefExpr>(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef())->getDecl(); |
21585 | } |
21586 | |
21587 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, |
21588 | SourceLocation StartLoc, |
21589 | SourceLocation LParenLoc, |
21590 | SourceLocation EndLoc) { |
21591 | Expr *ValExpr = NumTeams; |
21592 | Stmt *HelperValStmt = nullptr; |
21593 | |
21594 | // OpenMP [teams Constrcut, Restrictions] |
21595 | // The num_teams expression must evaluate to a positive integer value. |
21596 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, |
21597 | /*StrictlyPositive=*/true)) |
21598 | return nullptr; |
21599 | |
21600 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
21601 | OpenMPDirectiveKind CaptureRegion = |
21602 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams, LangOpts.OpenMP); |
21603 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
21604 | ValExpr = MakeFullExpr(ValExpr).get(); |
21605 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
21606 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
21607 | HelperValStmt = buildPreInits(Context, Captures); |
21608 | } |
21609 | |
21610 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, |
21611 | StartLoc, LParenLoc, EndLoc); |
21612 | } |
21613 | |
21614 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, |
21615 | SourceLocation StartLoc, |
21616 | SourceLocation LParenLoc, |
21617 | SourceLocation EndLoc) { |
21618 | Expr *ValExpr = ThreadLimit; |
21619 | Stmt *HelperValStmt = nullptr; |
21620 | |
21621 | // OpenMP [teams Constrcut, Restrictions] |
21622 | // The thread_limit expression must evaluate to a positive integer value. |
21623 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, |
21624 | /*StrictlyPositive=*/true)) |
21625 | return nullptr; |
21626 | |
21627 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
21628 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( |
21629 | DKind, OMPC_thread_limit, LangOpts.OpenMP); |
21630 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
21631 | ValExpr = MakeFullExpr(ValExpr).get(); |
21632 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
21633 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
21634 | HelperValStmt = buildPreInits(Context, Captures); |
21635 | } |
21636 | |
21637 | return new (Context) OMPThreadLimitClause( |
21638 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
21639 | } |
21640 | |
21641 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, |
21642 | SourceLocation StartLoc, |
21643 | SourceLocation LParenLoc, |
21644 | SourceLocation EndLoc) { |
21645 | Expr *ValExpr = Priority; |
21646 | Stmt *HelperValStmt = nullptr; |
21647 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
21648 | |
21649 | // OpenMP [2.9.1, task Constrcut] |
21650 | // The priority-value is a non-negative numerical scalar expression. |
21651 | if (!isNonNegativeIntegerValue( |
21652 | ValExpr, *this, OMPC_priority, |
21653 | /*StrictlyPositive=*/false, /*BuildCapture=*/true, |
21654 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
21655 | return nullptr; |
21656 | |
21657 | return new (Context) OMPPriorityClause(ValExpr, HelperValStmt, CaptureRegion, |
21658 | StartLoc, LParenLoc, EndLoc); |
21659 | } |
21660 | |
21661 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, |
21662 | SourceLocation StartLoc, |
21663 | SourceLocation LParenLoc, |
21664 | SourceLocation EndLoc) { |
21665 | Expr *ValExpr = Grainsize; |
21666 | Stmt *HelperValStmt = nullptr; |
21667 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
21668 | |
21669 | // OpenMP [2.9.2, taskloop Constrcut] |
21670 | // The parameter of the grainsize clause must be a positive integer |
21671 | // expression. |
21672 | if (!isNonNegativeIntegerValue( |
21673 | ValExpr, *this, OMPC_grainsize, |
21674 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, |
21675 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
21676 | return nullptr; |
21677 | |
21678 | return new (Context) OMPGrainsizeClause(ValExpr, HelperValStmt, CaptureRegion, |
21679 | StartLoc, LParenLoc, EndLoc); |
21680 | } |
21681 | |
21682 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, |
21683 | SourceLocation StartLoc, |
21684 | SourceLocation LParenLoc, |
21685 | SourceLocation EndLoc) { |
21686 | Expr *ValExpr = NumTasks; |
21687 | Stmt *HelperValStmt = nullptr; |
21688 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
21689 | |
21690 | // OpenMP [2.9.2, taskloop Constrcut] |
21691 | // The parameter of the num_tasks clause must be a positive integer |
21692 | // expression. |
21693 | if (!isNonNegativeIntegerValue( |
21694 | ValExpr, *this, OMPC_num_tasks, |
21695 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, |
21696 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
21697 | return nullptr; |
21698 | |
21699 | return new (Context) OMPNumTasksClause(ValExpr, HelperValStmt, CaptureRegion, |
21700 | StartLoc, LParenLoc, EndLoc); |
21701 | } |
21702 | |
21703 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, |
21704 | SourceLocation LParenLoc, |
21705 | SourceLocation EndLoc) { |
21706 | // OpenMP [2.13.2, critical construct, Description] |
21707 | // ... where hint-expression is an integer constant expression that evaluates |
21708 | // to a valid lock hint. |
21709 | ExprResult HintExpr = |
21710 | VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint, false); |
21711 | if (HintExpr.isInvalid()) |
21712 | return nullptr; |
21713 | return new (Context) |
21714 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); |
21715 | } |
21716 | |
21717 | /// Tries to find omp_event_handle_t type. |
21718 | static bool findOMPEventHandleT(Sema &S, SourceLocation Loc, |
21719 | DSAStackTy *Stack) { |
21720 | QualType OMPEventHandleT = Stack->getOMPEventHandleT(); |
21721 | if (!OMPEventHandleT.isNull()) |
21722 | return true; |
21723 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_event_handle_t"); |
21724 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); |
21725 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
21726 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_event_handle_t"; |
21727 | return false; |
21728 | } |
21729 | Stack->setOMPEventHandleT(PT.get()); |
21730 | return true; |
21731 | } |
21732 | |
21733 | OMPClause *Sema::ActOnOpenMPDetachClause(Expr *Evt, SourceLocation StartLoc, |
21734 | SourceLocation LParenLoc, |
21735 | SourceLocation EndLoc) { |
21736 | if (!Evt->isValueDependent() && !Evt->isTypeDependent() && |
21737 | !Evt->isInstantiationDependent() && |
21738 | !Evt->containsUnexpandedParameterPack()) { |
21739 | if (!findOMPEventHandleT(*this, Evt->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
21740 | return nullptr; |
21741 | // OpenMP 5.0, 2.10.1 task Construct. |
21742 | // event-handle is a variable of the omp_event_handle_t type. |
21743 | auto *Ref = dyn_cast<DeclRefExpr>(Evt->IgnoreParenImpCasts()); |
21744 | if (!Ref) { |
21745 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
21746 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); |
21747 | return nullptr; |
21748 | } |
21749 | auto *VD = dyn_cast_or_null<VarDecl>(Ref->getDecl()); |
21750 | if (!VD) { |
21751 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
21752 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); |
21753 | return nullptr; |
21754 | } |
21755 | if (!Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPEventHandleT(), |
21756 | VD->getType()) || |
21757 | VD->getType().isConstant(Context)) { |
21758 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
21759 | << "omp_event_handle_t" << 1 << VD->getType() |
21760 | << Evt->getSourceRange(); |
21761 | return nullptr; |
21762 | } |
21763 | // OpenMP 5.0, 2.10.1 task Construct |
21764 | // [detach clause]... The event-handle will be considered as if it was |
21765 | // specified on a firstprivate clause. |
21766 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
21767 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && |
21768 | DVar.RefExpr) { |
21769 | Diag(Evt->getExprLoc(), diag::err_omp_wrong_dsa) |
21770 | << getOpenMPClauseName(DVar.CKind) |
21771 | << getOpenMPClauseName(OMPC_firstprivate); |
21772 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); |
21773 | return nullptr; |
21774 | } |
21775 | } |
21776 | |
21777 | return new (Context) OMPDetachClause(Evt, StartLoc, LParenLoc, EndLoc); |
21778 | } |
21779 | |
21780 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( |
21781 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, |
21782 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, |
21783 | SourceLocation EndLoc) { |
21784 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { |
21785 | std::string Values; |
21786 | Values += "'"; |
21787 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); |
21788 | Values += "'"; |
21789 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
21790 | << Values << getOpenMPClauseName(OMPC_dist_schedule); |
21791 | return nullptr; |
21792 | } |
21793 | Expr *ValExpr = ChunkSize; |
21794 | Stmt *HelperValStmt = nullptr; |
21795 | if (ChunkSize) { |
21796 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && |
21797 | !ChunkSize->isInstantiationDependent() && |
21798 | !ChunkSize->containsUnexpandedParameterPack()) { |
21799 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); |
21800 | ExprResult Val = |
21801 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); |
21802 | if (Val.isInvalid()) |
21803 | return nullptr; |
21804 | |
21805 | ValExpr = Val.get(); |
21806 | |
21807 | // OpenMP [2.7.1, Restrictions] |
21808 | // chunk_size must be a loop invariant integer expression with a positive |
21809 | // value. |
21810 | if (Optional<llvm::APSInt> Result = |
21811 | ValExpr->getIntegerConstantExpr(Context)) { |
21812 | if (Result->isSigned() && !Result->isStrictlyPositive()) { |
21813 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) |
21814 | << "dist_schedule" << ChunkSize->getSourceRange(); |
21815 | return nullptr; |
21816 | } |
21817 | } else if (getOpenMPCaptureRegionForClause( |
21818 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule, |
21819 | LangOpts.OpenMP) != OMPD_unknown && |
21820 | !CurContext->isDependentContext()) { |
21821 | ValExpr = MakeFullExpr(ValExpr).get(); |
21822 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
21823 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
21824 | HelperValStmt = buildPreInits(Context, Captures); |
21825 | } |
21826 | } |
21827 | } |
21828 | |
21829 | return new (Context) |
21830 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, |
21831 | Kind, ValExpr, HelperValStmt); |
21832 | } |
21833 | |
21834 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( |
21835 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, |
21836 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, |
21837 | SourceLocation KindLoc, SourceLocation EndLoc) { |
21838 | if (getLangOpts().OpenMP < 50) { |
21839 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || |
21840 | Kind != OMPC_DEFAULTMAP_scalar) { |
21841 | std::string Value; |
21842 | SourceLocation Loc; |
21843 | Value += "'"; |
21844 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { |
21845 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, |
21846 | OMPC_DEFAULTMAP_MODIFIER_tofrom); |
21847 | Loc = MLoc; |
21848 | } else { |
21849 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, |
21850 | OMPC_DEFAULTMAP_scalar); |
21851 | Loc = KindLoc; |
21852 | } |
21853 | Value += "'"; |
21854 | Diag(Loc, diag::err_omp_unexpected_clause_value) |
21855 | << Value << getOpenMPClauseName(OMPC_defaultmap); |
21856 | return nullptr; |
21857 | } |
21858 | } else { |
21859 | bool isDefaultmapModifier = (M != OMPC_DEFAULTMAP_MODIFIER_unknown); |
21860 | bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown) || |
21861 | (LangOpts.OpenMP >= 50 && KindLoc.isInvalid()); |
21862 | if (!isDefaultmapKind || !isDefaultmapModifier) { |
21863 | StringRef KindValue = "'scalar', 'aggregate', 'pointer'"; |
21864 | if (LangOpts.OpenMP == 50) { |
21865 | StringRef ModifierValue = "'alloc', 'from', 'to', 'tofrom', " |
21866 | "'firstprivate', 'none', 'default'"; |
21867 | if (!isDefaultmapKind && isDefaultmapModifier) { |
21868 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
21869 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
21870 | } else if (isDefaultmapKind && !isDefaultmapModifier) { |
21871 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
21872 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
21873 | } else { |
21874 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
21875 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
21876 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
21877 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
21878 | } |
21879 | } else { |
21880 | StringRef ModifierValue = |
21881 | "'alloc', 'from', 'to', 'tofrom', " |
21882 | "'firstprivate', 'none', 'default', 'present'"; |
21883 | if (!isDefaultmapKind && isDefaultmapModifier) { |
21884 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
21885 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
21886 | } else if (isDefaultmapKind && !isDefaultmapModifier) { |
21887 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
21888 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
21889 | } else { |
21890 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
21891 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
21892 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
21893 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
21894 | } |
21895 | } |
21896 | return nullptr; |
21897 | } |
21898 | |
21899 | // OpenMP [5.0, 2.12.5, Restrictions, p. 174] |
21900 | // At most one defaultmap clause for each category can appear on the |
21901 | // directive. |
21902 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkDefaultmapCategory(Kind)) { |
21903 | Diag(StartLoc, diag::err_omp_one_defaultmap_each_category); |
21904 | return nullptr; |
21905 | } |
21906 | } |
21907 | if (Kind == OMPC_DEFAULTMAP_unknown) { |
21908 | // Variable category is not specified - mark all categories. |
21909 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_aggregate, StartLoc); |
21910 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_scalar, StartLoc); |
21911 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_pointer, StartLoc); |
21912 | } else { |
21913 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, Kind, StartLoc); |
21914 | } |
21915 | |
21916 | return new (Context) |
21917 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); |
21918 | } |
21919 | |
21920 | bool Sema::ActOnStartOpenMPDeclareTargetContext( |
21921 | DeclareTargetContextInfo &DTCI) { |
21922 | DeclContext *CurLexicalContext = getCurLexicalContext(); |
21923 | if (!CurLexicalContext->isFileContext() && |
21924 | !CurLexicalContext->isExternCContext() && |
21925 | !CurLexicalContext->isExternCXXContext() && |
21926 | !isa<CXXRecordDecl>(CurLexicalContext) && |
21927 | !isa<ClassTemplateDecl>(CurLexicalContext) && |
21928 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && |
21929 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { |
21930 | Diag(DTCI.Loc, diag::err_omp_region_not_file_context); |
21931 | return false; |
21932 | } |
21933 | DeclareTargetNesting.push_back(DTCI); |
21934 | return true; |
21935 | } |
21936 | |
21937 | const Sema::DeclareTargetContextInfo |
21938 | Sema::ActOnOpenMPEndDeclareTargetDirective() { |
21939 | assert(!DeclareTargetNesting.empty() &&(static_cast <bool> (!DeclareTargetNesting.empty() && "check isInOpenMPDeclareTargetContext() first!") ? void (0) : __assert_fail ("!DeclareTargetNesting.empty() && \"check isInOpenMPDeclareTargetContext() first!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21940, __extension__ __PRETTY_FUNCTION__ )) |
21940 | "check isInOpenMPDeclareTargetContext() first!")(static_cast <bool> (!DeclareTargetNesting.empty() && "check isInOpenMPDeclareTargetContext() first!") ? void (0) : __assert_fail ("!DeclareTargetNesting.empty() && \"check isInOpenMPDeclareTargetContext() first!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21940, __extension__ __PRETTY_FUNCTION__ )); |
21941 | return DeclareTargetNesting.pop_back_val(); |
21942 | } |
21943 | |
21944 | void Sema::ActOnFinishedOpenMPDeclareTargetContext( |
21945 | DeclareTargetContextInfo &DTCI) { |
21946 | for (auto &It : DTCI.ExplicitlyMapped) |
21947 | ActOnOpenMPDeclareTargetName(It.first, It.second.Loc, It.second.MT, DTCI); |
21948 | } |
21949 | |
21950 | NamedDecl *Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, |
21951 | CXXScopeSpec &ScopeSpec, |
21952 | const DeclarationNameInfo &Id) { |
21953 | LookupResult Lookup(*this, Id, LookupOrdinaryName); |
21954 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); |
21955 | |
21956 | if (Lookup.isAmbiguous()) |
21957 | return nullptr; |
21958 | Lookup.suppressDiagnostics(); |
21959 | |
21960 | if (!Lookup.isSingleResult()) { |
21961 | VarOrFuncDeclFilterCCC CCC(*this); |
21962 | if (TypoCorrection Corrected = |
21963 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, |
21964 | CTK_ErrorRecovery)) { |
21965 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) |
21966 | << Id.getName()); |
21967 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); |
21968 | return nullptr; |
21969 | } |
21970 | |
21971 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); |
21972 | return nullptr; |
21973 | } |
21974 | |
21975 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); |
21976 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && |
21977 | !isa<FunctionTemplateDecl>(ND)) { |
21978 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); |
21979 | return nullptr; |
21980 | } |
21981 | return ND; |
21982 | } |
21983 | |
21984 | void Sema::ActOnOpenMPDeclareTargetName(NamedDecl *ND, SourceLocation Loc, |
21985 | OMPDeclareTargetDeclAttr::MapTypeTy MT, |
21986 | DeclareTargetContextInfo &DTCI) { |
21987 | assert((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) ||(static_cast <bool> ((isa<VarDecl>(ND) || isa< FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && "Expected variable, function or function template.") ? void ( 0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21989, __extension__ __PRETTY_FUNCTION__ )) |
21988 | isa<FunctionTemplateDecl>(ND)) &&(static_cast <bool> ((isa<VarDecl>(ND) || isa< FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && "Expected variable, function or function template.") ? void ( 0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21989, __extension__ __PRETTY_FUNCTION__ )) |
21989 | "Expected variable, function or function template.")(static_cast <bool> ((isa<VarDecl>(ND) || isa< FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && "Expected variable, function or function template.") ? void ( 0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 21989, __extension__ __PRETTY_FUNCTION__ )); |
21990 | |
21991 | // Diagnose marking after use as it may lead to incorrect diagnosis and |
21992 | // codegen. |
21993 | if (LangOpts.OpenMP >= 50 && |
21994 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) |
21995 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); |
21996 | |
21997 | // Explicit declare target lists have precedence. |
21998 | const unsigned Level = -1; |
21999 | |
22000 | auto *VD = cast<ValueDecl>(ND); |
22001 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = |
22002 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); |
22003 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getDevType() != DTCI.DT && |
22004 | ActiveAttr.getValue()->getLevel() == Level) { |
22005 | Diag(Loc, diag::err_omp_device_type_mismatch) |
22006 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DTCI.DT) |
22007 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr( |
22008 | ActiveAttr.getValue()->getDevType()); |
22009 | return; |
22010 | } |
22011 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getMapType() != MT && |
22012 | ActiveAttr.getValue()->getLevel() == Level) { |
22013 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; |
22014 | return; |
22015 | } |
22016 | |
22017 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() == Level) |
22018 | return; |
22019 | |
22020 | Expr *IndirectE = nullptr; |
22021 | bool IsIndirect = false; |
22022 | if (DTCI.Indirect.hasValue()) { |
22023 | IndirectE = DTCI.Indirect.getValue(); |
22024 | if (!IndirectE) |
22025 | IsIndirect = true; |
22026 | } |
22027 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( |
22028 | Context, MT, DTCI.DT, IndirectE, IsIndirect, Level, |
22029 | SourceRange(Loc, Loc)); |
22030 | ND->addAttr(A); |
22031 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
22032 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); |
22033 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); |
22034 | } |
22035 | |
22036 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, |
22037 | Sema &SemaRef, Decl *D) { |
22038 | if (!D || !isa<VarDecl>(D)) |
22039 | return; |
22040 | auto *VD = cast<VarDecl>(D); |
22041 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = |
22042 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); |
22043 | if (SemaRef.LangOpts.OpenMP >= 50 && |
22044 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || |
22045 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && |
22046 | VD->hasGlobalStorage()) { |
22047 | if (!MapTy || *MapTy != OMPDeclareTargetDeclAttr::MT_To) { |
22048 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions |
22049 | // If a lambda declaration and definition appears between a |
22050 | // declare target directive and the matching end declare target |
22051 | // directive, all variables that are captured by the lambda |
22052 | // expression must also appear in a to clause. |
22053 | SemaRef.Diag(VD->getLocation(), |
22054 | diag::err_omp_lambda_capture_in_declare_target_not_to); |
22055 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) |
22056 | << VD << 0 << SR; |
22057 | return; |
22058 | } |
22059 | } |
22060 | if (MapTy.hasValue()) |
22061 | return; |
22062 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); |
22063 | SemaRef.Diag(SL, diag::note_used_here) << SR; |
22064 | } |
22065 | |
22066 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, |
22067 | Sema &SemaRef, DSAStackTy *Stack, |
22068 | ValueDecl *VD) { |
22069 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || |
22070 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), |
22071 | /*FullCheck=*/false); |
22072 | } |
22073 | |
22074 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, |
22075 | SourceLocation IdLoc) { |
22076 | if (!D || D->isInvalidDecl()) |
22077 | return; |
22078 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); |
22079 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); |
22080 | if (auto *VD = dyn_cast<VarDecl>(D)) { |
22081 | // Only global variables can be marked as declare target. |
22082 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && |
22083 | !VD->isStaticDataMember()) |
22084 | return; |
22085 | // 2.10.6: threadprivate variable cannot appear in a declare target |
22086 | // directive. |
22087 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
22088 | Diag(SL, diag::err_omp_threadprivate_in_target); |
22089 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); |
22090 | return; |
22091 | } |
22092 | } |
22093 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) |
22094 | D = FTD->getTemplatedDecl(); |
22095 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { |
22096 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = |
22097 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); |
22098 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { |
22099 | Diag(IdLoc, diag::err_omp_function_in_link_clause); |
22100 | Diag(FD->getLocation(), diag::note_defined_here) << FD; |
22101 | return; |
22102 | } |
22103 | } |
22104 | if (auto *VD = dyn_cast<ValueDecl>(D)) { |
22105 | // Problem if any with var declared with incomplete type will be reported |
22106 | // as normal, so no need to check it here. |
22107 | if ((E || !VD->getType()->isIncompleteType()) && |
22108 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) |
22109 | return; |
22110 | if (!E && isInOpenMPDeclareTargetContext()) { |
22111 | // Checking declaration inside declare target region. |
22112 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || |
22113 | isa<FunctionTemplateDecl>(D)) { |
22114 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = |
22115 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); |
22116 | unsigned Level = DeclareTargetNesting.size(); |
22117 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() >= Level) |
22118 | return; |
22119 | DeclareTargetContextInfo &DTCI = DeclareTargetNesting.back(); |
22120 | Expr *IndirectE = nullptr; |
22121 | bool IsIndirect = false; |
22122 | if (DTCI.Indirect.hasValue()) { |
22123 | IndirectE = DTCI.Indirect.getValue(); |
22124 | if (!IndirectE) |
22125 | IsIndirect = true; |
22126 | } |
22127 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( |
22128 | Context, OMPDeclareTargetDeclAttr::MT_To, DTCI.DT, IndirectE, |
22129 | IsIndirect, Level, SourceRange(DTCI.Loc, DTCI.Loc)); |
22130 | D->addAttr(A); |
22131 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
22132 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); |
22133 | } |
22134 | return; |
22135 | } |
22136 | } |
22137 | if (!E) |
22138 | return; |
22139 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); |
22140 | } |
22141 | |
22142 | OMPClause *Sema::ActOnOpenMPToClause( |
22143 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
22144 | ArrayRef<SourceLocation> MotionModifiersLoc, |
22145 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
22146 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
22147 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { |
22148 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, |
22149 | OMPC_MOTION_MODIFIER_unknown}; |
22150 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; |
22151 | |
22152 | // Process motion-modifiers, flag errors for duplicate modifiers. |
22153 | unsigned Count = 0; |
22154 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { |
22155 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && |
22156 | llvm::is_contained(Modifiers, MotionModifiers[I])) { |
22157 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); |
22158 | continue; |
22159 | } |
22160 | assert(Count < NumberOfOMPMotionModifiers &&(static_cast <bool> (Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? void (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22161, __extension__ __PRETTY_FUNCTION__ )) |
22161 | "Modifiers exceed the allowed number of motion modifiers")(static_cast <bool> (Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? void (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22161, __extension__ __PRETTY_FUNCTION__ )); |
22162 | Modifiers[Count] = MotionModifiers[I]; |
22163 | ModifiersLoc[Count] = MotionModifiersLoc[I]; |
22164 | ++Count; |
22165 | } |
22166 | |
22167 | MappableVarListInfo MVLI(VarList); |
22168 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, |
22169 | MapperIdScopeSpec, MapperId, UnresolvedMappers); |
22170 | if (MVLI.ProcessedVarList.empty()) |
22171 | return nullptr; |
22172 | |
22173 | return OMPToClause::Create( |
22174 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, |
22175 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, |
22176 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); |
22177 | } |
22178 | |
22179 | OMPClause *Sema::ActOnOpenMPFromClause( |
22180 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
22181 | ArrayRef<SourceLocation> MotionModifiersLoc, |
22182 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
22183 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
22184 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { |
22185 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, |
22186 | OMPC_MOTION_MODIFIER_unknown}; |
22187 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; |
22188 | |
22189 | // Process motion-modifiers, flag errors for duplicate modifiers. |
22190 | unsigned Count = 0; |
22191 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { |
22192 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && |
22193 | llvm::is_contained(Modifiers, MotionModifiers[I])) { |
22194 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); |
22195 | continue; |
22196 | } |
22197 | assert(Count < NumberOfOMPMotionModifiers &&(static_cast <bool> (Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? void (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22198, __extension__ __PRETTY_FUNCTION__ )) |
22198 | "Modifiers exceed the allowed number of motion modifiers")(static_cast <bool> (Count < NumberOfOMPMotionModifiers && "Modifiers exceed the allowed number of motion modifiers" ) ? void (0) : __assert_fail ("Count < NumberOfOMPMotionModifiers && \"Modifiers exceed the allowed number of motion modifiers\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22198, __extension__ __PRETTY_FUNCTION__ )); |
22199 | Modifiers[Count] = MotionModifiers[I]; |
22200 | ModifiersLoc[Count] = MotionModifiersLoc[I]; |
22201 | ++Count; |
22202 | } |
22203 | |
22204 | MappableVarListInfo MVLI(VarList); |
22205 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, |
22206 | MapperIdScopeSpec, MapperId, UnresolvedMappers); |
22207 | if (MVLI.ProcessedVarList.empty()) |
22208 | return nullptr; |
22209 | |
22210 | return OMPFromClause::Create( |
22211 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, |
22212 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, |
22213 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); |
22214 | } |
22215 | |
22216 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, |
22217 | const OMPVarListLocTy &Locs) { |
22218 | MappableVarListInfo MVLI(VarList); |
22219 | SmallVector<Expr *, 8> PrivateCopies; |
22220 | SmallVector<Expr *, 8> Inits; |
22221 | |
22222 | for (Expr *RefExpr : VarList) { |
22223 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP use_device_ptr clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP use_device_ptr clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22223, __extension__ __PRETTY_FUNCTION__ )); |
22224 | SourceLocation ELoc; |
22225 | SourceRange ERange; |
22226 | Expr *SimpleRefExpr = RefExpr; |
22227 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
22228 | if (Res.second) { |
22229 | // It will be analyzed later. |
22230 | MVLI.ProcessedVarList.push_back(RefExpr); |
22231 | PrivateCopies.push_back(nullptr); |
22232 | Inits.push_back(nullptr); |
22233 | } |
22234 | ValueDecl *D = Res.first; |
22235 | if (!D) |
22236 | continue; |
22237 | |
22238 | QualType Type = D->getType(); |
22239 | Type = Type.getNonReferenceType().getUnqualifiedType(); |
22240 | |
22241 | auto *VD = dyn_cast<VarDecl>(D); |
22242 | |
22243 | // Item should be a pointer or reference to pointer. |
22244 | if (!Type->isPointerType()) { |
22245 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) |
22246 | << 0 << RefExpr->getSourceRange(); |
22247 | continue; |
22248 | } |
22249 | |
22250 | // Build the private variable and the expression that refers to it. |
22251 | auto VDPrivate = |
22252 | buildVarDecl(*this, ELoc, Type, D->getName(), |
22253 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
22254 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
22255 | if (VDPrivate->isInvalidDecl()) |
22256 | continue; |
22257 | |
22258 | CurContext->addDecl(VDPrivate); |
22259 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
22260 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); |
22261 | |
22262 | // Add temporary variable to initialize the private copy of the pointer. |
22263 | VarDecl *VDInit = |
22264 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); |
22265 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( |
22266 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); |
22267 | AddInitializerToDecl(VDPrivate, |
22268 | DefaultLvalueConversion(VDInitRefExpr).get(), |
22269 | /*DirectInit=*/false); |
22270 | |
22271 | // If required, build a capture to implement the privatization initialized |
22272 | // with the current list item value. |
22273 | DeclRefExpr *Ref = nullptr; |
22274 | if (!VD) |
22275 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
22276 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); |
22277 | PrivateCopies.push_back(VDPrivateRefExpr); |
22278 | Inits.push_back(VDInitRefExpr); |
22279 | |
22280 | // We need to add a data sharing attribute for this variable to make sure it |
22281 | // is correctly captured. A variable that shows up in a use_device_ptr has |
22282 | // similar properties of a first private variable. |
22283 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
22284 | |
22285 | // Create a mappable component for the list item. List items in this clause |
22286 | // only need a component. |
22287 | MVLI.VarBaseDeclarations.push_back(D); |
22288 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
22289 | MVLI.VarComponents.back().emplace_back(SimpleRefExpr, D, |
22290 | /*IsNonContiguous=*/false); |
22291 | } |
22292 | |
22293 | if (MVLI.ProcessedVarList.empty()) |
22294 | return nullptr; |
22295 | |
22296 | return OMPUseDevicePtrClause::Create( |
22297 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, |
22298 | MVLI.VarBaseDeclarations, MVLI.VarComponents); |
22299 | } |
22300 | |
22301 | OMPClause *Sema::ActOnOpenMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, |
22302 | const OMPVarListLocTy &Locs) { |
22303 | MappableVarListInfo MVLI(VarList); |
22304 | |
22305 | for (Expr *RefExpr : VarList) { |
22306 | assert(RefExpr && "NULL expr in OpenMP use_device_addr clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP use_device_addr clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP use_device_addr clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22306, __extension__ __PRETTY_FUNCTION__ )); |
22307 | SourceLocation ELoc; |
22308 | SourceRange ERange; |
22309 | Expr *SimpleRefExpr = RefExpr; |
22310 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
22311 | /*AllowArraySection=*/true); |
22312 | if (Res.second) { |
22313 | // It will be analyzed later. |
22314 | MVLI.ProcessedVarList.push_back(RefExpr); |
22315 | } |
22316 | ValueDecl *D = Res.first; |
22317 | if (!D) |
22318 | continue; |
22319 | auto *VD = dyn_cast<VarDecl>(D); |
22320 | |
22321 | // If required, build a capture to implement the privatization initialized |
22322 | // with the current list item value. |
22323 | DeclRefExpr *Ref = nullptr; |
22324 | if (!VD) |
22325 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
22326 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); |
22327 | |
22328 | // We need to add a data sharing attribute for this variable to make sure it |
22329 | // is correctly captured. A variable that shows up in a use_device_addr has |
22330 | // similar properties of a first private variable. |
22331 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
22332 | |
22333 | // Create a mappable component for the list item. List items in this clause |
22334 | // only need a component. |
22335 | MVLI.VarBaseDeclarations.push_back(D); |
22336 | MVLI.VarComponents.emplace_back(); |
22337 | Expr *Component = SimpleRefExpr; |
22338 | if (VD && (isa<OMPArraySectionExpr>(RefExpr->IgnoreParenImpCasts()) || |
22339 | isa<ArraySubscriptExpr>(RefExpr->IgnoreParenImpCasts()))) |
22340 | Component = DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); |
22341 | MVLI.VarComponents.back().emplace_back(Component, D, |
22342 | /*IsNonContiguous=*/false); |
22343 | } |
22344 | |
22345 | if (MVLI.ProcessedVarList.empty()) |
22346 | return nullptr; |
22347 | |
22348 | return OMPUseDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
22349 | MVLI.VarBaseDeclarations, |
22350 | MVLI.VarComponents); |
22351 | } |
22352 | |
22353 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, |
22354 | const OMPVarListLocTy &Locs) { |
22355 | MappableVarListInfo MVLI(VarList); |
22356 | for (Expr *RefExpr : VarList) { |
22357 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP is_device_ptr clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP is_device_ptr clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22357, __extension__ __PRETTY_FUNCTION__ )); |
22358 | SourceLocation ELoc; |
22359 | SourceRange ERange; |
22360 | Expr *SimpleRefExpr = RefExpr; |
22361 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
22362 | if (Res.second) { |
22363 | // It will be analyzed later. |
22364 | MVLI.ProcessedVarList.push_back(RefExpr); |
22365 | } |
22366 | ValueDecl *D = Res.first; |
22367 | if (!D) |
22368 | continue; |
22369 | |
22370 | QualType Type = D->getType(); |
22371 | // item should be a pointer or array or reference to pointer or array |
22372 | if (!Type.getNonReferenceType()->isPointerType() && |
22373 | !Type.getNonReferenceType()->isArrayType()) { |
22374 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) |
22375 | << 0 << RefExpr->getSourceRange(); |
22376 | continue; |
22377 | } |
22378 | |
22379 | // Check if the declaration in the clause does not show up in any data |
22380 | // sharing attribute. |
22381 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
22382 | if (isOpenMPPrivate(DVar.CKind)) { |
22383 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
22384 | << getOpenMPClauseName(DVar.CKind) |
22385 | << getOpenMPClauseName(OMPC_is_device_ptr) |
22386 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
22387 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
22388 | continue; |
22389 | } |
22390 | |
22391 | const Expr *ConflictExpr; |
22392 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
22393 | D, /*CurrentRegionOnly=*/true, |
22394 | [&ConflictExpr]( |
22395 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, |
22396 | OpenMPClauseKind) -> bool { |
22397 | ConflictExpr = R.front().getAssociatedExpression(); |
22398 | return true; |
22399 | })) { |
22400 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); |
22401 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) |
22402 | << ConflictExpr->getSourceRange(); |
22403 | continue; |
22404 | } |
22405 | |
22406 | // Store the components in the stack so that they can be used to check |
22407 | // against other clauses later on. |
22408 | OMPClauseMappableExprCommon::MappableComponent MC( |
22409 | SimpleRefExpr, D, /*IsNonContiguous=*/false); |
22410 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( |
22411 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); |
22412 | |
22413 | // Record the expression we've just processed. |
22414 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); |
22415 | |
22416 | // Create a mappable component for the list item. List items in this clause |
22417 | // only need a component. We use a null declaration to signal fields in |
22418 | // 'this'. |
22419 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22421, __extension__ __PRETTY_FUNCTION__ )) |
22420 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22421, __extension__ __PRETTY_FUNCTION__ )) |
22421 | "Unexpected device pointer expression!")(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22421, __extension__ __PRETTY_FUNCTION__ )); |
22422 | MVLI.VarBaseDeclarations.push_back( |
22423 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); |
22424 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
22425 | MVLI.VarComponents.back().push_back(MC); |
22426 | } |
22427 | |
22428 | if (MVLI.ProcessedVarList.empty()) |
22429 | return nullptr; |
22430 | |
22431 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
22432 | MVLI.VarBaseDeclarations, |
22433 | MVLI.VarComponents); |
22434 | } |
22435 | |
22436 | OMPClause *Sema::ActOnOpenMPHasDeviceAddrClause(ArrayRef<Expr *> VarList, |
22437 | const OMPVarListLocTy &Locs) { |
22438 | MappableVarListInfo MVLI(VarList); |
22439 | for (Expr *RefExpr : VarList) { |
22440 | assert(RefExpr && "NULL expr in OpenMP has_device_addr clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP has_device_addr clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP has_device_addr clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22440, __extension__ __PRETTY_FUNCTION__ )); |
22441 | SourceLocation ELoc; |
22442 | SourceRange ERange; |
22443 | Expr *SimpleRefExpr = RefExpr; |
22444 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
22445 | /*AllowArraySection=*/true); |
22446 | if (Res.second) { |
22447 | // It will be analyzed later. |
22448 | MVLI.ProcessedVarList.push_back(RefExpr); |
22449 | } |
22450 | ValueDecl *D = Res.first; |
22451 | if (!D) |
22452 | continue; |
22453 | |
22454 | // Check if the declaration in the clause does not show up in any data |
22455 | // sharing attribute. |
22456 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
22457 | if (isOpenMPPrivate(DVar.CKind)) { |
22458 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
22459 | << getOpenMPClauseName(DVar.CKind) |
22460 | << getOpenMPClauseName(OMPC_has_device_addr) |
22461 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
22462 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
22463 | continue; |
22464 | } |
22465 | |
22466 | const Expr *ConflictExpr; |
22467 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
22468 | D, /*CurrentRegionOnly=*/true, |
22469 | [&ConflictExpr]( |
22470 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, |
22471 | OpenMPClauseKind) -> bool { |
22472 | ConflictExpr = R.front().getAssociatedExpression(); |
22473 | return true; |
22474 | })) { |
22475 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); |
22476 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) |
22477 | << ConflictExpr->getSourceRange(); |
22478 | continue; |
22479 | } |
22480 | |
22481 | // Store the components in the stack so that they can be used to check |
22482 | // against other clauses later on. |
22483 | OMPClauseMappableExprCommon::MappableComponent MC( |
22484 | SimpleRefExpr, D, /*IsNonContiguous=*/false); |
22485 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( |
22486 | D, MC, /*WhereFoundClauseKind=*/OMPC_has_device_addr); |
22487 | |
22488 | // Record the expression we've just processed. |
22489 | auto *VD = dyn_cast<VarDecl>(D); |
22490 | if (!VD && !CurContext->isDependentContext()) { |
22491 | DeclRefExpr *Ref = |
22492 | buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
22493 | assert(Ref && "has_device_addr capture failed")(static_cast <bool> (Ref && "has_device_addr capture failed" ) ? void (0) : __assert_fail ("Ref && \"has_device_addr capture failed\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22493, __extension__ __PRETTY_FUNCTION__ )); |
22494 | MVLI.ProcessedVarList.push_back(Ref); |
22495 | } else |
22496 | MVLI.ProcessedVarList.push_back(RefExpr->IgnoreParens()); |
22497 | |
22498 | // Create a mappable component for the list item. List items in this clause |
22499 | // only need a component. We use a null declaration to signal fields in |
22500 | // 'this'. |
22501 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22503, __extension__ __PRETTY_FUNCTION__ )) |
22502 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22503, __extension__ __PRETTY_FUNCTION__ )) |
22503 | "Unexpected device pointer expression!")(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22503, __extension__ __PRETTY_FUNCTION__ )); |
22504 | MVLI.VarBaseDeclarations.push_back( |
22505 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); |
22506 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
22507 | MVLI.VarComponents.back().push_back(MC); |
22508 | } |
22509 | |
22510 | if (MVLI.ProcessedVarList.empty()) |
22511 | return nullptr; |
22512 | |
22513 | return OMPHasDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
22514 | MVLI.VarBaseDeclarations, |
22515 | MVLI.VarComponents); |
22516 | } |
22517 | |
22518 | OMPClause *Sema::ActOnOpenMPAllocateClause( |
22519 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
22520 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
22521 | if (Allocator) { |
22522 | // OpenMP [2.11.4 allocate Clause, Description] |
22523 | // allocator is an expression of omp_allocator_handle_t type. |
22524 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
22525 | return nullptr; |
22526 | |
22527 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); |
22528 | if (AllocatorRes.isInvalid()) |
22529 | return nullptr; |
22530 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), |
22531 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
22532 | Sema::AA_Initializing, |
22533 | /*AllowExplicit=*/true); |
22534 | if (AllocatorRes.isInvalid()) |
22535 | return nullptr; |
22536 | Allocator = AllocatorRes.get(); |
22537 | } else { |
22538 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. |
22539 | // allocate clauses that appear on a target construct or on constructs in a |
22540 | // target region must specify an allocator expression unless a requires |
22541 | // directive with the dynamic_allocators clause is present in the same |
22542 | // compilation unit. |
22543 | if (LangOpts.OpenMPIsDevice && |
22544 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) |
22545 | targetDiag(StartLoc, diag::err_expected_allocator_expression); |
22546 | } |
22547 | // Analyze and build list of variables. |
22548 | SmallVector<Expr *, 8> Vars; |
22549 | for (Expr *RefExpr : VarList) { |
22550 | assert(RefExpr && "NULL expr in OpenMP private clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP private clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22550, __extension__ __PRETTY_FUNCTION__ )); |
22551 | SourceLocation ELoc; |
22552 | SourceRange ERange; |
22553 | Expr *SimpleRefExpr = RefExpr; |
22554 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
22555 | if (Res.second) { |
22556 | // It will be analyzed later. |
22557 | Vars.push_back(RefExpr); |
22558 | } |
22559 | ValueDecl *D = Res.first; |
22560 | if (!D) |
22561 | continue; |
22562 | |
22563 | auto *VD = dyn_cast<VarDecl>(D); |
22564 | DeclRefExpr *Ref = nullptr; |
22565 | if (!VD && !CurContext->isDependentContext()) |
22566 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
22567 | Vars.push_back((VD || CurContext->isDependentContext()) |
22568 | ? RefExpr->IgnoreParens() |
22569 | : Ref); |
22570 | } |
22571 | |
22572 | if (Vars.empty()) |
22573 | return nullptr; |
22574 | |
22575 | if (Allocator) |
22576 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addInnerAllocatorExpr(Allocator); |
22577 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, |
22578 | ColonLoc, EndLoc, Vars); |
22579 | } |
22580 | |
22581 | OMPClause *Sema::ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, |
22582 | SourceLocation StartLoc, |
22583 | SourceLocation LParenLoc, |
22584 | SourceLocation EndLoc) { |
22585 | SmallVector<Expr *, 8> Vars; |
22586 | for (Expr *RefExpr : VarList) { |
22587 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22587, __extension__ __PRETTY_FUNCTION__ )); |
22588 | SourceLocation ELoc; |
22589 | SourceRange ERange; |
22590 | Expr *SimpleRefExpr = RefExpr; |
22591 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
22592 | if (Res.second) |
22593 | // It will be analyzed later. |
22594 | Vars.push_back(RefExpr); |
22595 | ValueDecl *D = Res.first; |
22596 | if (!D) |
22597 | continue; |
22598 | |
22599 | // OpenMP 5.0, 2.9.3.1 simd Construct, Restrictions. |
22600 | // A list-item cannot appear in more than one nontemporal clause. |
22601 | if (const Expr *PrevRef = |
22602 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueNontemporal(D, SimpleRefExpr)) { |
22603 | Diag(ELoc, diag::err_omp_used_in_clause_twice) |
22604 | << 0 << getOpenMPClauseName(OMPC_nontemporal) << ERange; |
22605 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) |
22606 | << getOpenMPClauseName(OMPC_nontemporal); |
22607 | continue; |
22608 | } |
22609 | |
22610 | Vars.push_back(RefExpr); |
22611 | } |
22612 | |
22613 | if (Vars.empty()) |
22614 | return nullptr; |
22615 | |
22616 | return OMPNontemporalClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
22617 | Vars); |
22618 | } |
22619 | |
22620 | OMPClause *Sema::ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList, |
22621 | SourceLocation StartLoc, |
22622 | SourceLocation LParenLoc, |
22623 | SourceLocation EndLoc) { |
22624 | SmallVector<Expr *, 8> Vars; |
22625 | for (Expr *RefExpr : VarList) { |
22626 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22626, __extension__ __PRETTY_FUNCTION__ )); |
22627 | SourceLocation ELoc; |
22628 | SourceRange ERange; |
22629 | Expr *SimpleRefExpr = RefExpr; |
22630 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
22631 | /*AllowArraySection=*/true); |
22632 | if (Res.second) |
22633 | // It will be analyzed later. |
22634 | Vars.push_back(RefExpr); |
22635 | ValueDecl *D = Res.first; |
22636 | if (!D) |
22637 | continue; |
22638 | |
22639 | const DSAStackTy::DSAVarData DVar = |
22640 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); |
22641 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. |
22642 | // A list item that appears in the inclusive or exclusive clause must appear |
22643 | // in a reduction clause with the inscan modifier on the enclosing |
22644 | // worksharing-loop, worksharing-loop SIMD, or simd construct. |
22645 | if (DVar.CKind != OMPC_reduction || DVar.Modifier != OMPC_REDUCTION_inscan) |
22646 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) |
22647 | << RefExpr->getSourceRange(); |
22648 | |
22649 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown) |
22650 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); |
22651 | Vars.push_back(RefExpr); |
22652 | } |
22653 | |
22654 | if (Vars.empty()) |
22655 | return nullptr; |
22656 | |
22657 | return OMPInclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
22658 | } |
22659 | |
22660 | OMPClause *Sema::ActOnOpenMPExclusiveClause(ArrayRef<Expr *> VarList, |
22661 | SourceLocation StartLoc, |
22662 | SourceLocation LParenLoc, |
22663 | SourceLocation EndLoc) { |
22664 | SmallVector<Expr *, 8> Vars; |
22665 | for (Expr *RefExpr : VarList) { |
22666 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22666, __extension__ __PRETTY_FUNCTION__ )); |
22667 | SourceLocation ELoc; |
22668 | SourceRange ERange; |
22669 | Expr *SimpleRefExpr = RefExpr; |
22670 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
22671 | /*AllowArraySection=*/true); |
22672 | if (Res.second) |
22673 | // It will be analyzed later. |
22674 | Vars.push_back(RefExpr); |
22675 | ValueDecl *D = Res.first; |
22676 | if (!D) |
22677 | continue; |
22678 | |
22679 | OpenMPDirectiveKind ParentDirective = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective(); |
22680 | DSAStackTy::DSAVarData DVar; |
22681 | if (ParentDirective != OMPD_unknown) |
22682 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); |
22683 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. |
22684 | // A list item that appears in the inclusive or exclusive clause must appear |
22685 | // in a reduction clause with the inscan modifier on the enclosing |
22686 | // worksharing-loop, worksharing-loop SIMD, or simd construct. |
22687 | if (ParentDirective == OMPD_unknown || DVar.CKind != OMPC_reduction || |
22688 | DVar.Modifier != OMPC_REDUCTION_inscan) { |
22689 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) |
22690 | << RefExpr->getSourceRange(); |
22691 | } else { |
22692 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); |
22693 | } |
22694 | Vars.push_back(RefExpr); |
22695 | } |
22696 | |
22697 | if (Vars.empty()) |
22698 | return nullptr; |
22699 | |
22700 | return OMPExclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
22701 | } |
22702 | |
22703 | /// Tries to find omp_alloctrait_t type. |
22704 | static bool findOMPAlloctraitT(Sema &S, SourceLocation Loc, DSAStackTy *Stack) { |
22705 | QualType OMPAlloctraitT = Stack->getOMPAlloctraitT(); |
22706 | if (!OMPAlloctraitT.isNull()) |
22707 | return true; |
22708 | IdentifierInfo &II = S.PP.getIdentifierTable().get("omp_alloctrait_t"); |
22709 | ParsedType PT = S.getTypeName(II, Loc, S.getCurScope()); |
22710 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
22711 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_alloctrait_t"; |
22712 | return false; |
22713 | } |
22714 | Stack->setOMPAlloctraitT(PT.get()); |
22715 | return true; |
22716 | } |
22717 | |
22718 | OMPClause *Sema::ActOnOpenMPUsesAllocatorClause( |
22719 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc, |
22720 | ArrayRef<UsesAllocatorsData> Data) { |
22721 | // OpenMP [2.12.5, target Construct] |
22722 | // allocator is an identifier of omp_allocator_handle_t type. |
22723 | if (!findOMPAllocatorHandleT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
22724 | return nullptr; |
22725 | // OpenMP [2.12.5, target Construct] |
22726 | // allocator-traits-array is an identifier of const omp_alloctrait_t * type. |
22727 | if (llvm::any_of( |
22728 | Data, |
22729 | [](const UsesAllocatorsData &D) { return D.AllocatorTraits; }) && |
22730 | !findOMPAlloctraitT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
22731 | return nullptr; |
22732 | llvm::SmallPtrSet<CanonicalDeclPtr<Decl>, 4> PredefinedAllocators; |
22733 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
22734 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
22735 | StringRef Allocator = |
22736 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); |
22737 | DeclarationName AllocatorName = &Context.Idents.get(Allocator); |
22738 | PredefinedAllocators.insert(LookupSingleName( |
22739 | TUScope, AllocatorName, StartLoc, Sema::LookupAnyName)); |
22740 | } |
22741 | |
22742 | SmallVector<OMPUsesAllocatorsClause::Data, 4> NewData; |
22743 | for (const UsesAllocatorsData &D : Data) { |
22744 | Expr *AllocatorExpr = nullptr; |
22745 | // Check allocator expression. |
22746 | if (D.Allocator->isTypeDependent()) { |
22747 | AllocatorExpr = D.Allocator; |
22748 | } else { |
22749 | // Traits were specified - need to assign new allocator to the specified |
22750 | // allocator, so it must be an lvalue. |
22751 | AllocatorExpr = D.Allocator->IgnoreParenImpCasts(); |
22752 | auto *DRE = dyn_cast<DeclRefExpr>(AllocatorExpr); |
22753 | bool IsPredefinedAllocator = false; |
22754 | if (DRE) |
22755 | IsPredefinedAllocator = PredefinedAllocators.count(DRE->getDecl()); |
22756 | if (!DRE || |
22757 | !(Context.hasSameUnqualifiedType( |
22758 | AllocatorExpr->getType(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT()) || |
22759 | Context.typesAreCompatible(AllocatorExpr->getType(), |
22760 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
22761 | /*CompareUnqualified=*/true)) || |
22762 | (!IsPredefinedAllocator && |
22763 | (AllocatorExpr->getType().isConstant(Context) || |
22764 | !AllocatorExpr->isLValue()))) { |
22765 | Diag(D.Allocator->getExprLoc(), diag::err_omp_var_expected) |
22766 | << "omp_allocator_handle_t" << (DRE ? 1 : 0) |
22767 | << AllocatorExpr->getType() << D.Allocator->getSourceRange(); |
22768 | continue; |
22769 | } |
22770 | // OpenMP [2.12.5, target Construct] |
22771 | // Predefined allocators appearing in a uses_allocators clause cannot have |
22772 | // traits specified. |
22773 | if (IsPredefinedAllocator && D.AllocatorTraits) { |
22774 | Diag(D.AllocatorTraits->getExprLoc(), |
22775 | diag::err_omp_predefined_allocator_with_traits) |
22776 | << D.AllocatorTraits->getSourceRange(); |
22777 | Diag(D.Allocator->getExprLoc(), diag::note_omp_predefined_allocator) |
22778 | << cast<NamedDecl>(DRE->getDecl())->getName() |
22779 | << D.Allocator->getSourceRange(); |
22780 | continue; |
22781 | } |
22782 | // OpenMP [2.12.5, target Construct] |
22783 | // Non-predefined allocators appearing in a uses_allocators clause must |
22784 | // have traits specified. |
22785 | if (!IsPredefinedAllocator && !D.AllocatorTraits) { |
22786 | Diag(D.Allocator->getExprLoc(), |
22787 | diag::err_omp_nonpredefined_allocator_without_traits); |
22788 | continue; |
22789 | } |
22790 | // No allocator traits - just convert it to rvalue. |
22791 | if (!D.AllocatorTraits) |
22792 | AllocatorExpr = DefaultLvalueConversion(AllocatorExpr).get(); |
22793 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( |
22794 | DRE->getDecl(), |
22795 | IsPredefinedAllocator |
22796 | ? DSAStackTy::UsesAllocatorsDeclKind::PredefinedAllocator |
22797 | : DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator); |
22798 | } |
22799 | Expr *AllocatorTraitsExpr = nullptr; |
22800 | if (D.AllocatorTraits) { |
22801 | if (D.AllocatorTraits->isTypeDependent()) { |
22802 | AllocatorTraitsExpr = D.AllocatorTraits; |
22803 | } else { |
22804 | // OpenMP [2.12.5, target Construct] |
22805 | // Arrays that contain allocator traits that appear in a uses_allocators |
22806 | // clause must be constant arrays, have constant values and be defined |
22807 | // in the same scope as the construct in which the clause appears. |
22808 | AllocatorTraitsExpr = D.AllocatorTraits->IgnoreParenImpCasts(); |
22809 | // Check that traits expr is a constant array. |
22810 | QualType TraitTy; |
22811 | if (const ArrayType *Ty = |
22812 | AllocatorTraitsExpr->getType()->getAsArrayTypeUnsafe()) |
22813 | if (const auto *ConstArrayTy = dyn_cast<ConstantArrayType>(Ty)) |
22814 | TraitTy = ConstArrayTy->getElementType(); |
22815 | if (TraitTy.isNull() || |
22816 | !(Context.hasSameUnqualifiedType(TraitTy, |
22817 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT()) || |
22818 | Context.typesAreCompatible(TraitTy, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT(), |
22819 | /*CompareUnqualified=*/true))) { |
22820 | Diag(D.AllocatorTraits->getExprLoc(), |
22821 | diag::err_omp_expected_array_alloctraits) |
22822 | << AllocatorTraitsExpr->getType(); |
22823 | continue; |
22824 | } |
22825 | // Do not map by default allocator traits if it is a standalone |
22826 | // variable. |
22827 | if (auto *DRE = dyn_cast<DeclRefExpr>(AllocatorTraitsExpr)) |
22828 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( |
22829 | DRE->getDecl(), |
22830 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait); |
22831 | } |
22832 | } |
22833 | OMPUsesAllocatorsClause::Data &NewD = NewData.emplace_back(); |
22834 | NewD.Allocator = AllocatorExpr; |
22835 | NewD.AllocatorTraits = AllocatorTraitsExpr; |
22836 | NewD.LParenLoc = D.LParenLoc; |
22837 | NewD.RParenLoc = D.RParenLoc; |
22838 | } |
22839 | return OMPUsesAllocatorsClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
22840 | NewData); |
22841 | } |
22842 | |
22843 | OMPClause *Sema::ActOnOpenMPAffinityClause( |
22844 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, |
22845 | SourceLocation EndLoc, Expr *Modifier, ArrayRef<Expr *> Locators) { |
22846 | SmallVector<Expr *, 8> Vars; |
22847 | for (Expr *RefExpr : Locators) { |
22848 | assert(RefExpr && "NULL expr in OpenMP shared clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP shared clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP shared clause.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22848, __extension__ __PRETTY_FUNCTION__ )); |
22849 | if (isa<DependentScopeDeclRefExpr>(RefExpr) || RefExpr->isTypeDependent()) { |
22850 | // It will be analyzed later. |
22851 | Vars.push_back(RefExpr); |
22852 | continue; |
22853 | } |
22854 | |
22855 | SourceLocation ELoc = RefExpr->getExprLoc(); |
22856 | Expr *SimpleExpr = RefExpr->IgnoreParenImpCasts(); |
22857 | |
22858 | if (!SimpleExpr->isLValue()) { |
22859 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
22860 | << 1 << 0 << RefExpr->getSourceRange(); |
22861 | continue; |
22862 | } |
22863 | |
22864 | ExprResult Res; |
22865 | { |
22866 | Sema::TentativeAnalysisScope Trap(*this); |
22867 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, SimpleExpr); |
22868 | } |
22869 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && |
22870 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { |
22871 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
22872 | << 1 << 0 << RefExpr->getSourceRange(); |
22873 | continue; |
22874 | } |
22875 | Vars.push_back(SimpleExpr); |
22876 | } |
22877 | |
22878 | return OMPAffinityClause::Create(Context, StartLoc, LParenLoc, ColonLoc, |
22879 | EndLoc, Modifier, Vars); |
22880 | } |
22881 | |
22882 | OMPClause *Sema::ActOnOpenMPBindClause(OpenMPBindClauseKind Kind, |
22883 | SourceLocation KindLoc, |
22884 | SourceLocation StartLoc, |
22885 | SourceLocation LParenLoc, |
22886 | SourceLocation EndLoc) { |
22887 | if (Kind == OMPC_BIND_unknown) { |
22888 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
22889 | << getListOfPossibleValues(OMPC_bind, /*First=*/0, |
22890 | /*Last=*/unsigned(OMPC_BIND_unknown)) |
22891 | << getOpenMPClauseName(OMPC_bind); |
22892 | return nullptr; |
22893 | } |
22894 | |
22895 | return OMPBindClause::Create(Context, Kind, KindLoc, StartLoc, LParenLoc, |
22896 | EndLoc); |
22897 | } |