File: | build/source/clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 20818, column 7 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/EnterExpressionEvaluationContext.h" |
31 | #include "clang/Sema/Initialization.h" |
32 | #include "clang/Sema/Lookup.h" |
33 | #include "clang/Sema/Scope.h" |
34 | #include "clang/Sema/ScopeInfo.h" |
35 | #include "clang/Sema/SemaInternal.h" |
36 | #include "llvm/ADT/IndexedMap.h" |
37 | #include "llvm/ADT/PointerEmbeddedInt.h" |
38 | #include "llvm/ADT/STLExtras.h" |
39 | #include "llvm/ADT/SmallSet.h" |
40 | #include "llvm/ADT/StringExtras.h" |
41 | #include "llvm/Frontend/OpenMP/OMPAssume.h" |
42 | #include "llvm/Frontend/OpenMP/OMPConstants.h" |
43 | #include <optional> |
44 | #include <set> |
45 | |
46 | using namespace clang; |
47 | using namespace llvm::omp; |
48 | |
49 | //===----------------------------------------------------------------------===// |
50 | // Stack of data-sharing attributes for variables |
51 | //===----------------------------------------------------------------------===// |
52 | |
53 | static const Expr *checkMapClauseExpressionBase( |
54 | Sema &SemaRef, Expr *E, |
55 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, |
56 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose); |
57 | |
58 | namespace { |
59 | /// Default data sharing attributes, which can be applied to directive. |
60 | enum DefaultDataSharingAttributes { |
61 | DSA_unspecified = 0, /// Data sharing attribute not specified. |
62 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. |
63 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. |
64 | DSA_private = 1 << 2, /// Default data sharing attribute 'private'. |
65 | DSA_firstprivate = 1 << 3, /// Default data sharing attribute 'firstprivate'. |
66 | }; |
67 | |
68 | /// Stack for tracking declarations used in OpenMP directives and |
69 | /// clauses and their data-sharing attributes. |
70 | class DSAStackTy { |
71 | public: |
72 | struct DSAVarData { |
73 | OpenMPDirectiveKind DKind = OMPD_unknown; |
74 | OpenMPClauseKind CKind = OMPC_unknown; |
75 | unsigned Modifier = 0; |
76 | const Expr *RefExpr = nullptr; |
77 | DeclRefExpr *PrivateCopy = nullptr; |
78 | SourceLocation ImplicitDSALoc; |
79 | bool AppliedToPointee = false; |
80 | DSAVarData() = default; |
81 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, |
82 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, |
83 | SourceLocation ImplicitDSALoc, unsigned Modifier, |
84 | bool AppliedToPointee) |
85 | : DKind(DKind), CKind(CKind), Modifier(Modifier), RefExpr(RefExpr), |
86 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc), |
87 | AppliedToPointee(AppliedToPointee) {} |
88 | }; |
89 | using OperatorOffsetTy = |
90 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; |
91 | using DoacrossDependMapTy = |
92 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; |
93 | /// Kind of the declaration used in the uses_allocators clauses. |
94 | enum class UsesAllocatorsDeclKind { |
95 | /// Predefined allocator |
96 | PredefinedAllocator, |
97 | /// User-defined allocator |
98 | UserDefinedAllocator, |
99 | /// The declaration that represent allocator trait |
100 | AllocatorTrait, |
101 | }; |
102 | |
103 | private: |
104 | struct DSAInfo { |
105 | OpenMPClauseKind Attributes = OMPC_unknown; |
106 | unsigned Modifier = 0; |
107 | /// Pointer to a reference expression and a flag which shows that the |
108 | /// variable is marked as lastprivate(true) or not (false). |
109 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; |
110 | DeclRefExpr *PrivateCopy = nullptr; |
111 | /// true if the attribute is applied to the pointee, not the variable |
112 | /// itself. |
113 | bool AppliedToPointee = false; |
114 | }; |
115 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; |
116 | using UsedRefMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; |
117 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; |
118 | using LoopControlVariablesMapTy = |
119 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; |
120 | /// Struct that associates a component with the clause kind where they are |
121 | /// found. |
122 | struct MappedExprComponentTy { |
123 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; |
124 | OpenMPClauseKind Kind = OMPC_unknown; |
125 | }; |
126 | using MappedExprComponentsTy = |
127 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; |
128 | using CriticalsWithHintsTy = |
129 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; |
130 | struct ReductionData { |
131 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; |
132 | SourceRange ReductionRange; |
133 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; |
134 | ReductionData() = default; |
135 | void set(BinaryOperatorKind BO, SourceRange RR) { |
136 | ReductionRange = RR; |
137 | ReductionOp = BO; |
138 | } |
139 | void set(const Expr *RefExpr, SourceRange RR) { |
140 | ReductionRange = RR; |
141 | ReductionOp = RefExpr; |
142 | } |
143 | }; |
144 | using DeclReductionMapTy = |
145 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; |
146 | struct DefaultmapInfo { |
147 | OpenMPDefaultmapClauseModifier ImplicitBehavior = |
148 | OMPC_DEFAULTMAP_MODIFIER_unknown; |
149 | SourceLocation SLoc; |
150 | DefaultmapInfo() = default; |
151 | DefaultmapInfo(OpenMPDefaultmapClauseModifier M, SourceLocation Loc) |
152 | : ImplicitBehavior(M), SLoc(Loc) {} |
153 | }; |
154 | |
155 | struct SharingMapTy { |
156 | DeclSAMapTy SharingMap; |
157 | DeclReductionMapTy ReductionMap; |
158 | UsedRefMapTy AlignedMap; |
159 | UsedRefMapTy NontemporalMap; |
160 | MappedExprComponentsTy MappedExprComponents; |
161 | LoopControlVariablesMapTy LCVMap; |
162 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; |
163 | SourceLocation DefaultAttrLoc; |
164 | DefaultmapInfo DefaultmapMap[OMPC_DEFAULTMAP_unknown]; |
165 | OpenMPDirectiveKind Directive = OMPD_unknown; |
166 | DeclarationNameInfo DirectiveName; |
167 | Scope *CurScope = nullptr; |
168 | DeclContext *Context = nullptr; |
169 | SourceLocation ConstructLoc; |
170 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to |
171 | /// get the data (loop counters etc.) about enclosing loop-based construct. |
172 | /// This data is required during codegen. |
173 | DoacrossDependMapTy DoacrossDepends; |
174 | /// First argument (Expr *) contains optional argument of the |
175 | /// 'ordered' clause, the second one is true if the regions has 'ordered' |
176 | /// clause, false otherwise. |
177 | std::optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; |
178 | bool RegionHasOrderConcurrent = false; |
179 | unsigned AssociatedLoops = 1; |
180 | bool HasMutipleLoops = false; |
181 | const Decl *PossiblyLoopCounter = nullptr; |
182 | bool NowaitRegion = false; |
183 | bool UntiedRegion = false; |
184 | bool CancelRegion = false; |
185 | bool LoopStart = false; |
186 | bool BodyComplete = false; |
187 | SourceLocation PrevScanLocation; |
188 | SourceLocation PrevOrderedLocation; |
189 | SourceLocation InnerTeamsRegionLoc; |
190 | /// Reference to the taskgroup task_reduction reference expression. |
191 | Expr *TaskgroupReductionRef = nullptr; |
192 | llvm::DenseSet<QualType> MappedClassesQualTypes; |
193 | SmallVector<Expr *, 4> InnerUsedAllocators; |
194 | llvm::DenseSet<CanonicalDeclPtr<Decl>> ImplicitTaskFirstprivates; |
195 | /// List of globals marked as declare target link in this target region |
196 | /// (isOpenMPTargetExecutionDirective(Directive) == true). |
197 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; |
198 | /// List of decls used in inclusive/exclusive clauses of the scan directive. |
199 | llvm::DenseSet<CanonicalDeclPtr<Decl>> UsedInScanDirective; |
200 | llvm::DenseMap<CanonicalDeclPtr<const Decl>, UsesAllocatorsDeclKind> |
201 | UsesAllocatorsDecls; |
202 | /// Data is required on creating capture fields for implicit |
203 | /// default first|private clause. |
204 | struct ImplicitDefaultFDInfoTy { |
205 | /// Field decl. |
206 | const FieldDecl *FD = nullptr; |
207 | /// Nesting stack level |
208 | size_t StackLevel = 0; |
209 | /// Capture variable decl. |
210 | VarDecl *VD = nullptr; |
211 | ImplicitDefaultFDInfoTy(const FieldDecl *FD, size_t StackLevel, |
212 | VarDecl *VD) |
213 | : FD(FD), StackLevel(StackLevel), VD(VD) {} |
214 | }; |
215 | /// List of captured fields |
216 | llvm::SmallVector<ImplicitDefaultFDInfoTy, 8> |
217 | ImplicitDefaultFirstprivateFDs; |
218 | Expr *DeclareMapperVar = nullptr; |
219 | SmallVector<VarDecl *, 16> IteratorVarDecls; |
220 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, |
221 | Scope *CurScope, SourceLocation Loc) |
222 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), |
223 | ConstructLoc(Loc) {} |
224 | SharingMapTy() = default; |
225 | }; |
226 | |
227 | using StackTy = SmallVector<SharingMapTy, 4>; |
228 | |
229 | /// Stack of used declaration and their data-sharing attributes. |
230 | DeclSAMapTy Threadprivates; |
231 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; |
232 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; |
233 | /// true, if check for DSA must be from parent directive, false, if |
234 | /// from current directive. |
235 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; |
236 | Sema &SemaRef; |
237 | bool ForceCapturing = false; |
238 | /// true if all the variables in the target executable directives must be |
239 | /// captured by reference. |
240 | bool ForceCaptureByReferenceInTargetExecutable = false; |
241 | CriticalsWithHintsTy Criticals; |
242 | unsigned IgnoredStackElements = 0; |
243 | |
244 | /// Iterators over the stack iterate in order from innermost to outermost |
245 | /// directive. |
246 | using const_iterator = StackTy::const_reverse_iterator; |
247 | const_iterator begin() const { |
248 | return Stack.empty() ? const_iterator() |
249 | : Stack.back().first.rbegin() + IgnoredStackElements; |
250 | } |
251 | const_iterator end() const { |
252 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); |
253 | } |
254 | using iterator = StackTy::reverse_iterator; |
255 | iterator begin() { |
256 | return Stack.empty() ? iterator() |
257 | : Stack.back().first.rbegin() + IgnoredStackElements; |
258 | } |
259 | iterator end() { |
260 | return Stack.empty() ? iterator() : Stack.back().first.rend(); |
261 | } |
262 | |
263 | // Convenience operations to get at the elements of the stack. |
264 | |
265 | bool isStackEmpty() const { |
266 | return Stack.empty() || |
267 | Stack.back().second != CurrentNonCapturingFunctionScope || |
268 | Stack.back().first.size() <= IgnoredStackElements; |
269 | } |
270 | size_t getStackSize() const { |
271 | return isStackEmpty() ? 0 |
272 | : Stack.back().first.size() - IgnoredStackElements; |
273 | } |
274 | |
275 | SharingMapTy *getTopOfStackOrNull() { |
276 | size_t Size = getStackSize(); |
277 | if (Size == 0) |
278 | return nullptr; |
279 | return &Stack.back().first[Size - 1]; |
280 | } |
281 | const SharingMapTy *getTopOfStackOrNull() const { |
282 | return const_cast<DSAStackTy &>(*this).getTopOfStackOrNull(); |
283 | } |
284 | SharingMapTy &getTopOfStack() { |
285 | 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", 285, __extension__ __PRETTY_FUNCTION__ )); |
286 | return *getTopOfStackOrNull(); |
287 | } |
288 | const SharingMapTy &getTopOfStack() const { |
289 | return const_cast<DSAStackTy &>(*this).getTopOfStack(); |
290 | } |
291 | |
292 | SharingMapTy *getSecondOnStackOrNull() { |
293 | size_t Size = getStackSize(); |
294 | if (Size <= 1) |
295 | return nullptr; |
296 | return &Stack.back().first[Size - 2]; |
297 | } |
298 | const SharingMapTy *getSecondOnStackOrNull() const { |
299 | return const_cast<DSAStackTy &>(*this).getSecondOnStackOrNull(); |
300 | } |
301 | |
302 | /// Get the stack element at a certain level (previously returned by |
303 | /// \c getNestingLevel). |
304 | /// |
305 | /// Note that nesting levels count from outermost to innermost, and this is |
306 | /// the reverse of our iteration order where new inner levels are pushed at |
307 | /// the front of the stack. |
308 | SharingMapTy &getStackElemAtLevel(unsigned Level) { |
309 | 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", 309, __extension__ __PRETTY_FUNCTION__ )); |
310 | return Stack.back().first[Level]; |
311 | } |
312 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { |
313 | return const_cast<DSAStackTy &>(*this).getStackElemAtLevel(Level); |
314 | } |
315 | |
316 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; |
317 | |
318 | /// Checks if the variable is a local for OpenMP region. |
319 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; |
320 | |
321 | /// Vector of previously declared requires directives |
322 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; |
323 | /// omp_allocator_handle_t type. |
324 | QualType OMPAllocatorHandleT; |
325 | /// omp_depend_t type. |
326 | QualType OMPDependT; |
327 | /// omp_event_handle_t type. |
328 | QualType OMPEventHandleT; |
329 | /// omp_alloctrait_t type. |
330 | QualType OMPAlloctraitT; |
331 | /// Expression for the predefined allocators. |
332 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { |
333 | nullptr}; |
334 | /// Vector of previously encountered target directives |
335 | SmallVector<SourceLocation, 2> TargetLocations; |
336 | SourceLocation AtomicLocation; |
337 | /// Vector of declare variant construct traits. |
338 | SmallVector<llvm::omp::TraitProperty, 8> ConstructTraits; |
339 | |
340 | public: |
341 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} |
342 | |
343 | /// Sets omp_allocator_handle_t type. |
344 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } |
345 | /// Gets omp_allocator_handle_t type. |
346 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } |
347 | /// Sets omp_alloctrait_t type. |
348 | void setOMPAlloctraitT(QualType Ty) { OMPAlloctraitT = Ty; } |
349 | /// Gets omp_alloctrait_t type. |
350 | QualType getOMPAlloctraitT() const { return OMPAlloctraitT; } |
351 | /// Sets the given default allocator. |
352 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, |
353 | Expr *Allocator) { |
354 | OMPPredefinedAllocators[AllocatorKind] = Allocator; |
355 | } |
356 | /// Returns the specified default allocator. |
357 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { |
358 | return OMPPredefinedAllocators[AllocatorKind]; |
359 | } |
360 | /// Sets omp_depend_t type. |
361 | void setOMPDependT(QualType Ty) { OMPDependT = Ty; } |
362 | /// Gets omp_depend_t type. |
363 | QualType getOMPDependT() const { return OMPDependT; } |
364 | |
365 | /// Sets omp_event_handle_t type. |
366 | void setOMPEventHandleT(QualType Ty) { OMPEventHandleT = Ty; } |
367 | /// Gets omp_event_handle_t type. |
368 | QualType getOMPEventHandleT() const { return OMPEventHandleT; } |
369 | |
370 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } |
371 | OpenMPClauseKind getClauseParsingMode() const { |
372 | 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", 372, __extension__ __PRETTY_FUNCTION__ )); |
373 | return ClauseKindMode; |
374 | } |
375 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } |
376 | |
377 | bool isBodyComplete() const { |
378 | const SharingMapTy *Top = getTopOfStackOrNull(); |
379 | return Top && Top->BodyComplete; |
380 | } |
381 | void setBodyComplete() { getTopOfStack().BodyComplete = true; } |
382 | |
383 | bool isForceVarCapturing() const { return ForceCapturing; } |
384 | void setForceVarCapturing(bool V) { ForceCapturing = V; } |
385 | |
386 | void setForceCaptureByReferenceInTargetExecutable(bool V) { |
387 | ForceCaptureByReferenceInTargetExecutable = V; |
388 | } |
389 | bool isForceCaptureByReferenceInTargetExecutable() const { |
390 | return ForceCaptureByReferenceInTargetExecutable; |
391 | } |
392 | |
393 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, |
394 | Scope *CurScope, SourceLocation Loc) { |
395 | 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", 396, __extension__ __PRETTY_FUNCTION__ )) |
396 | "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", 396, __extension__ __PRETTY_FUNCTION__ )); |
397 | if (Stack.empty() || |
398 | Stack.back().second != CurrentNonCapturingFunctionScope) |
399 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); |
400 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); |
401 | Stack.back().first.back().DefaultAttrLoc = Loc; |
402 | } |
403 | |
404 | void pop() { |
405 | 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", 406, __extension__ __PRETTY_FUNCTION__ )) |
406 | "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", 406, __extension__ __PRETTY_FUNCTION__ )); |
407 | 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", 408, __extension__ __PRETTY_FUNCTION__ )) |
408 | "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", 408, __extension__ __PRETTY_FUNCTION__ )); |
409 | Stack.back().first.pop_back(); |
410 | } |
411 | |
412 | /// RAII object to temporarily leave the scope of a directive when we want to |
413 | /// logically operate in its parent. |
414 | class ParentDirectiveScope { |
415 | DSAStackTy &Self; |
416 | bool Active; |
417 | |
418 | public: |
419 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) |
420 | : Self(Self), Active(false) { |
421 | if (Activate) |
422 | enable(); |
423 | } |
424 | ~ParentDirectiveScope() { disable(); } |
425 | void disable() { |
426 | if (Active) { |
427 | --Self.IgnoredStackElements; |
428 | Active = false; |
429 | } |
430 | } |
431 | void enable() { |
432 | if (!Active) { |
433 | ++Self.IgnoredStackElements; |
434 | Active = true; |
435 | } |
436 | } |
437 | }; |
438 | |
439 | /// Marks that we're started loop parsing. |
440 | void loopInit() { |
441 | 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", 442, __extension__ __PRETTY_FUNCTION__ )) |
442 | "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", 442, __extension__ __PRETTY_FUNCTION__ )); |
443 | getTopOfStack().LoopStart = true; |
444 | } |
445 | /// Start capturing of the variables in the loop context. |
446 | void loopStart() { |
447 | 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", 448, __extension__ __PRETTY_FUNCTION__ )) |
448 | "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", 448, __extension__ __PRETTY_FUNCTION__ )); |
449 | getTopOfStack().LoopStart = false; |
450 | } |
451 | /// true, if variables are captured, false otherwise. |
452 | bool isLoopStarted() const { |
453 | 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", 454, __extension__ __PRETTY_FUNCTION__ )) |
454 | "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", 454, __extension__ __PRETTY_FUNCTION__ )); |
455 | return !getTopOfStack().LoopStart; |
456 | } |
457 | /// Marks (or clears) declaration as possibly loop counter. |
458 | void resetPossibleLoopCounter(const Decl *D = nullptr) { |
459 | getTopOfStack().PossiblyLoopCounter = D ? D->getCanonicalDecl() : D; |
460 | } |
461 | /// Gets the possible loop counter decl. |
462 | const Decl *getPossiblyLoopCunter() const { |
463 | return getTopOfStack().PossiblyLoopCounter; |
464 | } |
465 | /// Start new OpenMP region stack in new non-capturing function. |
466 | void pushFunction() { |
467 | 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", 468, __extension__ __PRETTY_FUNCTION__ )) |
468 | "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", 468, __extension__ __PRETTY_FUNCTION__ )); |
469 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); |
470 | assert(!isa<CapturingScopeInfo>(CurFnScope))(static_cast <bool> (!isa<CapturingScopeInfo>(CurFnScope )) ? void (0) : __assert_fail ("!isa<CapturingScopeInfo>(CurFnScope)" , "clang/lib/Sema/SemaOpenMP.cpp", 470, __extension__ __PRETTY_FUNCTION__ )); |
471 | CurrentNonCapturingFunctionScope = CurFnScope; |
472 | } |
473 | /// Pop region stack for non-capturing function. |
474 | void popFunction(const FunctionScopeInfo *OldFSI) { |
475 | 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", 476, __extension__ __PRETTY_FUNCTION__ )) |
476 | "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", 476, __extension__ __PRETTY_FUNCTION__ )); |
477 | if (!Stack.empty() && Stack.back().second == OldFSI) { |
478 | 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" , 478, __extension__ __PRETTY_FUNCTION__)); |
479 | Stack.pop_back(); |
480 | } |
481 | CurrentNonCapturingFunctionScope = nullptr; |
482 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { |
483 | if (!isa<CapturingScopeInfo>(FSI)) { |
484 | CurrentNonCapturingFunctionScope = FSI; |
485 | break; |
486 | } |
487 | } |
488 | } |
489 | |
490 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { |
491 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); |
492 | } |
493 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> |
494 | getCriticalWithHint(const DeclarationNameInfo &Name) const { |
495 | auto I = Criticals.find(Name.getAsString()); |
496 | if (I != Criticals.end()) |
497 | return I->second; |
498 | return std::make_pair(nullptr, llvm::APSInt()); |
499 | } |
500 | /// If 'aligned' declaration for given variable \a D was not seen yet, |
501 | /// add it and return NULL; otherwise return previous occurrence's expression |
502 | /// for diagnostics. |
503 | const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); |
504 | /// If 'nontemporal' declaration for given variable \a D was not seen yet, |
505 | /// add it and return NULL; otherwise return previous occurrence's expression |
506 | /// for diagnostics. |
507 | const Expr *addUniqueNontemporal(const ValueDecl *D, const Expr *NewDE); |
508 | |
509 | /// Register specified variable as loop control variable. |
510 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); |
511 | /// Check if the specified variable is a loop control variable for |
512 | /// current region. |
513 | /// \return The index of the loop control variable in the list of associated |
514 | /// for-loops (from outer to inner). |
515 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; |
516 | /// Check if the specified variable is a loop control variable for |
517 | /// parent region. |
518 | /// \return The index of the loop control variable in the list of associated |
519 | /// for-loops (from outer to inner). |
520 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; |
521 | /// Check if the specified variable is a loop control variable for |
522 | /// current region. |
523 | /// \return The index of the loop control variable in the list of associated |
524 | /// for-loops (from outer to inner). |
525 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D, |
526 | unsigned Level) const; |
527 | /// Get the loop control variable for the I-th loop (or nullptr) in |
528 | /// parent directive. |
529 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; |
530 | |
531 | /// Marks the specified decl \p D as used in scan directive. |
532 | void markDeclAsUsedInScanDirective(ValueDecl *D) { |
533 | if (SharingMapTy *Stack = getSecondOnStackOrNull()) |
534 | Stack->UsedInScanDirective.insert(D); |
535 | } |
536 | |
537 | /// Checks if the specified declaration was used in the inner scan directive. |
538 | bool isUsedInScanDirective(ValueDecl *D) const { |
539 | if (const SharingMapTy *Stack = getTopOfStackOrNull()) |
540 | return Stack->UsedInScanDirective.contains(D); |
541 | return false; |
542 | } |
543 | |
544 | /// Adds explicit data sharing attribute to the specified declaration. |
545 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, |
546 | DeclRefExpr *PrivateCopy = nullptr, unsigned Modifier = 0, |
547 | bool AppliedToPointee = false); |
548 | |
549 | /// Adds additional information for the reduction items with the reduction id |
550 | /// represented as an operator. |
551 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
552 | BinaryOperatorKind BOK); |
553 | /// Adds additional information for the reduction items with the reduction id |
554 | /// represented as reduction identifier. |
555 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
556 | const Expr *ReductionRef); |
557 | /// Returns the location and reduction operation from the innermost parent |
558 | /// region for the given \p D. |
559 | const DSAVarData |
560 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, |
561 | BinaryOperatorKind &BOK, |
562 | Expr *&TaskgroupDescriptor) const; |
563 | /// Returns the location and reduction operation from the innermost parent |
564 | /// region for the given \p D. |
565 | const DSAVarData |
566 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, |
567 | const Expr *&ReductionRef, |
568 | Expr *&TaskgroupDescriptor) const; |
569 | /// Return reduction reference expression for the current taskgroup or |
570 | /// parallel/worksharing directives with task reductions. |
571 | Expr *getTaskgroupReductionRef() const { |
572 | 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", 577, __extension__ __PRETTY_FUNCTION__ )) |
573 | ((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", 577, __extension__ __PRETTY_FUNCTION__ )) |
574 | 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", 577, __extension__ __PRETTY_FUNCTION__ )) |
575 | !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", 577, __extension__ __PRETTY_FUNCTION__ )) |
576 | "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", 577, __extension__ __PRETTY_FUNCTION__ )) |
577 | "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", 577, __extension__ __PRETTY_FUNCTION__ )); |
578 | return getTopOfStack().TaskgroupReductionRef; |
579 | } |
580 | /// Checks if the given \p VD declaration is actually a taskgroup reduction |
581 | /// descriptor variable at the \p Level of OpenMP regions. |
582 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { |
583 | return getStackElemAtLevel(Level).TaskgroupReductionRef && |
584 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) |
585 | ->getDecl() == VD; |
586 | } |
587 | |
588 | /// Returns data sharing attributes from top of the stack for the |
589 | /// specified declaration. |
590 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); |
591 | /// Returns data-sharing attributes for the specified declaration. |
592 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; |
593 | /// Returns data-sharing attributes for the specified declaration. |
594 | const DSAVarData getImplicitDSA(ValueDecl *D, unsigned Level) const; |
595 | /// Checks if the specified variables has data-sharing attributes which |
596 | /// match specified \a CPred predicate in any directive which matches \a DPred |
597 | /// predicate. |
598 | const DSAVarData |
599 | hasDSA(ValueDecl *D, |
600 | const llvm::function_ref<bool(OpenMPClauseKind, bool, |
601 | DefaultDataSharingAttributes)> |
602 | CPred, |
603 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
604 | bool FromParent) const; |
605 | /// Checks if the specified variables has data-sharing attributes which |
606 | /// match specified \a CPred predicate in any innermost directive which |
607 | /// matches \a DPred predicate. |
608 | const DSAVarData |
609 | hasInnermostDSA(ValueDecl *D, |
610 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
611 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
612 | bool FromParent) const; |
613 | /// Checks if the specified variables has explicit data-sharing |
614 | /// attributes which match specified \a CPred predicate at the specified |
615 | /// OpenMP region. |
616 | bool |
617 | hasExplicitDSA(const ValueDecl *D, |
618 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
619 | unsigned Level, bool NotLastprivate = false) const; |
620 | |
621 | /// Returns true if the directive at level \Level matches in the |
622 | /// specified \a DPred predicate. |
623 | bool hasExplicitDirective( |
624 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
625 | unsigned Level) const; |
626 | |
627 | /// Finds a directive which matches specified \a DPred predicate. |
628 | bool hasDirective( |
629 | const llvm::function_ref<bool( |
630 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> |
631 | DPred, |
632 | bool FromParent) const; |
633 | |
634 | /// Returns currently analyzed directive. |
635 | OpenMPDirectiveKind getCurrentDirective() const { |
636 | const SharingMapTy *Top = getTopOfStackOrNull(); |
637 | return Top ? Top->Directive : OMPD_unknown; |
638 | } |
639 | /// Returns directive kind at specified level. |
640 | OpenMPDirectiveKind getDirective(unsigned Level) const { |
641 | 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", 641, __extension__ __PRETTY_FUNCTION__ )); |
642 | return getStackElemAtLevel(Level).Directive; |
643 | } |
644 | /// Returns the capture region at the specified level. |
645 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, |
646 | unsigned OpenMPCaptureLevel) const { |
647 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
648 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); |
649 | return CaptureRegions[OpenMPCaptureLevel]; |
650 | } |
651 | /// Returns parent directive. |
652 | OpenMPDirectiveKind getParentDirective() const { |
653 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
654 | return Parent ? Parent->Directive : OMPD_unknown; |
655 | } |
656 | |
657 | /// Add requires decl to internal vector |
658 | void addRequiresDecl(OMPRequiresDecl *RD) { RequiresDecls.push_back(RD); } |
659 | |
660 | /// Checks if the defined 'requires' directive has specified type of clause. |
661 | template <typename ClauseType> bool hasRequiresDeclWithClause() const { |
662 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { |
663 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { |
664 | return isa<ClauseType>(C); |
665 | }); |
666 | }); |
667 | } |
668 | |
669 | /// Checks for a duplicate clause amongst previously declared requires |
670 | /// directives |
671 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { |
672 | bool IsDuplicate = false; |
673 | for (OMPClause *CNew : ClauseList) { |
674 | for (const OMPRequiresDecl *D : RequiresDecls) { |
675 | for (const OMPClause *CPrev : D->clauselists()) { |
676 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { |
677 | SemaRef.Diag(CNew->getBeginLoc(), |
678 | diag::err_omp_requires_clause_redeclaration) |
679 | << getOpenMPClauseName(CNew->getClauseKind()); |
680 | SemaRef.Diag(CPrev->getBeginLoc(), |
681 | diag::note_omp_requires_previous_clause) |
682 | << getOpenMPClauseName(CPrev->getClauseKind()); |
683 | IsDuplicate = true; |
684 | } |
685 | } |
686 | } |
687 | } |
688 | return IsDuplicate; |
689 | } |
690 | |
691 | /// Add location of previously encountered target to internal vector |
692 | void addTargetDirLocation(SourceLocation LocStart) { |
693 | TargetLocations.push_back(LocStart); |
694 | } |
695 | |
696 | /// Add location for the first encountered atomicc directive. |
697 | void addAtomicDirectiveLoc(SourceLocation Loc) { |
698 | if (AtomicLocation.isInvalid()) |
699 | AtomicLocation = Loc; |
700 | } |
701 | |
702 | /// Returns the location of the first encountered atomic directive in the |
703 | /// module. |
704 | SourceLocation getAtomicDirectiveLoc() const { return AtomicLocation; } |
705 | |
706 | // Return previously encountered target region locations. |
707 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { |
708 | return TargetLocations; |
709 | } |
710 | |
711 | /// Set default data sharing attribute to none. |
712 | void setDefaultDSANone(SourceLocation Loc) { |
713 | getTopOfStack().DefaultAttr = DSA_none; |
714 | getTopOfStack().DefaultAttrLoc = Loc; |
715 | } |
716 | /// Set default data sharing attribute to shared. |
717 | void setDefaultDSAShared(SourceLocation Loc) { |
718 | getTopOfStack().DefaultAttr = DSA_shared; |
719 | getTopOfStack().DefaultAttrLoc = Loc; |
720 | } |
721 | /// Set default data sharing attribute to private. |
722 | void setDefaultDSAPrivate(SourceLocation Loc) { |
723 | getTopOfStack().DefaultAttr = DSA_private; |
724 | getTopOfStack().DefaultAttrLoc = Loc; |
725 | } |
726 | /// Set default data sharing attribute to firstprivate. |
727 | void setDefaultDSAFirstPrivate(SourceLocation Loc) { |
728 | getTopOfStack().DefaultAttr = DSA_firstprivate; |
729 | getTopOfStack().DefaultAttrLoc = Loc; |
730 | } |
731 | /// Set default data mapping attribute to Modifier:Kind |
732 | void setDefaultDMAAttr(OpenMPDefaultmapClauseModifier M, |
733 | OpenMPDefaultmapClauseKind Kind, SourceLocation Loc) { |
734 | DefaultmapInfo &DMI = getTopOfStack().DefaultmapMap[Kind]; |
735 | DMI.ImplicitBehavior = M; |
736 | DMI.SLoc = Loc; |
737 | } |
738 | /// Check whether the implicit-behavior has been set in defaultmap |
739 | bool checkDefaultmapCategory(OpenMPDefaultmapClauseKind VariableCategory) { |
740 | if (VariableCategory == OMPC_DEFAULTMAP_unknown) |
741 | return getTopOfStack() |
742 | .DefaultmapMap[OMPC_DEFAULTMAP_aggregate] |
743 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || |
744 | getTopOfStack() |
745 | .DefaultmapMap[OMPC_DEFAULTMAP_scalar] |
746 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || |
747 | getTopOfStack() |
748 | .DefaultmapMap[OMPC_DEFAULTMAP_pointer] |
749 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown; |
750 | return getTopOfStack().DefaultmapMap[VariableCategory].ImplicitBehavior != |
751 | OMPC_DEFAULTMAP_MODIFIER_unknown; |
752 | } |
753 | |
754 | ArrayRef<llvm::omp::TraitProperty> getConstructTraits() { |
755 | return ConstructTraits; |
756 | } |
757 | void handleConstructTrait(ArrayRef<llvm::omp::TraitProperty> Traits, |
758 | bool ScopeEntry) { |
759 | if (ScopeEntry) |
760 | ConstructTraits.append(Traits.begin(), Traits.end()); |
761 | else |
762 | for (llvm::omp::TraitProperty Trait : llvm::reverse(Traits)) { |
763 | llvm::omp::TraitProperty Top = ConstructTraits.pop_back_val(); |
764 | 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", 764, __extension__ __PRETTY_FUNCTION__ )); |
765 | (void)Trait; |
766 | (void)Top; |
767 | } |
768 | } |
769 | |
770 | DefaultDataSharingAttributes getDefaultDSA(unsigned Level) const { |
771 | return getStackSize() <= Level ? DSA_unspecified |
772 | : getStackElemAtLevel(Level).DefaultAttr; |
773 | } |
774 | DefaultDataSharingAttributes getDefaultDSA() const { |
775 | return isStackEmpty() ? DSA_unspecified : getTopOfStack().DefaultAttr; |
776 | } |
777 | SourceLocation getDefaultDSALocation() const { |
778 | return isStackEmpty() ? SourceLocation() : getTopOfStack().DefaultAttrLoc; |
779 | } |
780 | OpenMPDefaultmapClauseModifier |
781 | getDefaultmapModifier(OpenMPDefaultmapClauseKind Kind) const { |
782 | return isStackEmpty() |
783 | ? OMPC_DEFAULTMAP_MODIFIER_unknown |
784 | : getTopOfStack().DefaultmapMap[Kind].ImplicitBehavior; |
785 | } |
786 | OpenMPDefaultmapClauseModifier |
787 | getDefaultmapModifierAtLevel(unsigned Level, |
788 | OpenMPDefaultmapClauseKind Kind) const { |
789 | return getStackElemAtLevel(Level).DefaultmapMap[Kind].ImplicitBehavior; |
790 | } |
791 | bool isDefaultmapCapturedByRef(unsigned Level, |
792 | OpenMPDefaultmapClauseKind Kind) const { |
793 | OpenMPDefaultmapClauseModifier M = |
794 | getDefaultmapModifierAtLevel(Level, Kind); |
795 | if (Kind == OMPC_DEFAULTMAP_scalar || Kind == OMPC_DEFAULTMAP_pointer) { |
796 | return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) || |
797 | (M == OMPC_DEFAULTMAP_MODIFIER_to) || |
798 | (M == OMPC_DEFAULTMAP_MODIFIER_from) || |
799 | (M == OMPC_DEFAULTMAP_MODIFIER_tofrom); |
800 | } |
801 | return true; |
802 | } |
803 | static bool mustBeFirstprivateBase(OpenMPDefaultmapClauseModifier M, |
804 | OpenMPDefaultmapClauseKind Kind) { |
805 | switch (Kind) { |
806 | case OMPC_DEFAULTMAP_scalar: |
807 | case OMPC_DEFAULTMAP_pointer: |
808 | return (M == OMPC_DEFAULTMAP_MODIFIER_unknown) || |
809 | (M == OMPC_DEFAULTMAP_MODIFIER_firstprivate) || |
810 | (M == OMPC_DEFAULTMAP_MODIFIER_default); |
811 | case OMPC_DEFAULTMAP_aggregate: |
812 | return M == OMPC_DEFAULTMAP_MODIFIER_firstprivate; |
813 | default: |
814 | break; |
815 | } |
816 | llvm_unreachable("Unexpected OpenMPDefaultmapClauseKind enum")::llvm::llvm_unreachable_internal("Unexpected OpenMPDefaultmapClauseKind enum" , "clang/lib/Sema/SemaOpenMP.cpp", 816); |
817 | } |
818 | bool mustBeFirstprivateAtLevel(unsigned Level, |
819 | OpenMPDefaultmapClauseKind Kind) const { |
820 | OpenMPDefaultmapClauseModifier M = |
821 | getDefaultmapModifierAtLevel(Level, Kind); |
822 | return mustBeFirstprivateBase(M, Kind); |
823 | } |
824 | bool mustBeFirstprivate(OpenMPDefaultmapClauseKind Kind) const { |
825 | OpenMPDefaultmapClauseModifier M = getDefaultmapModifier(Kind); |
826 | return mustBeFirstprivateBase(M, Kind); |
827 | } |
828 | |
829 | /// Checks if the specified variable is a threadprivate. |
830 | bool isThreadPrivate(VarDecl *D) { |
831 | const DSAVarData DVar = getTopDSA(D, false); |
832 | return isOpenMPThreadPrivate(DVar.CKind); |
833 | } |
834 | |
835 | /// Marks current region as ordered (it has an 'ordered' clause). |
836 | void setOrderedRegion(bool IsOrdered, const Expr *Param, |
837 | OMPOrderedClause *Clause) { |
838 | if (IsOrdered) |
839 | getTopOfStack().OrderedRegion.emplace(Param, Clause); |
840 | else |
841 | getTopOfStack().OrderedRegion.reset(); |
842 | } |
843 | /// Returns true, if region is ordered (has associated 'ordered' clause), |
844 | /// false - otherwise. |
845 | bool isOrderedRegion() const { |
846 | if (const SharingMapTy *Top = getTopOfStackOrNull()) |
847 | return Top->OrderedRegion.has_value(); |
848 | return false; |
849 | } |
850 | /// Returns optional parameter for the ordered region. |
851 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { |
852 | if (const SharingMapTy *Top = getTopOfStackOrNull()) |
853 | if (Top->OrderedRegion) |
854 | return *Top->OrderedRegion; |
855 | return std::make_pair(nullptr, nullptr); |
856 | } |
857 | /// Returns true, if parent region is ordered (has associated |
858 | /// 'ordered' clause), false - otherwise. |
859 | bool isParentOrderedRegion() const { |
860 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
861 | return Parent->OrderedRegion.has_value(); |
862 | return false; |
863 | } |
864 | /// Returns optional parameter for the ordered region. |
865 | std::pair<const Expr *, OMPOrderedClause *> |
866 | getParentOrderedRegionParam() const { |
867 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
868 | if (Parent->OrderedRegion) |
869 | return *Parent->OrderedRegion; |
870 | return std::make_pair(nullptr, nullptr); |
871 | } |
872 | /// Marks current region as having an 'order' clause. |
873 | void setRegionHasOrderConcurrent(bool HasOrderConcurrent) { |
874 | getTopOfStack().RegionHasOrderConcurrent = HasOrderConcurrent; |
875 | } |
876 | /// Returns true, if parent region is order (has associated |
877 | /// 'order' clause), false - otherwise. |
878 | bool isParentOrderConcurrent() const { |
879 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
880 | return Parent->RegionHasOrderConcurrent; |
881 | return false; |
882 | } |
883 | /// Marks current region as nowait (it has a 'nowait' clause). |
884 | void setNowaitRegion(bool IsNowait = true) { |
885 | getTopOfStack().NowaitRegion = IsNowait; |
886 | } |
887 | /// Returns true, if parent region is nowait (has associated |
888 | /// 'nowait' clause), false - otherwise. |
889 | bool isParentNowaitRegion() const { |
890 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
891 | return Parent->NowaitRegion; |
892 | return false; |
893 | } |
894 | /// Marks current region as untied (it has a 'untied' clause). |
895 | void setUntiedRegion(bool IsUntied = true) { |
896 | getTopOfStack().UntiedRegion = IsUntied; |
897 | } |
898 | /// Return true if current region is untied. |
899 | bool isUntiedRegion() const { |
900 | const SharingMapTy *Top = getTopOfStackOrNull(); |
901 | return Top ? Top->UntiedRegion : false; |
902 | } |
903 | /// Marks parent region as cancel region. |
904 | void setParentCancelRegion(bool Cancel = true) { |
905 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
906 | Parent->CancelRegion |= Cancel; |
907 | } |
908 | /// Return true if current region has inner cancel construct. |
909 | bool isCancelRegion() const { |
910 | const SharingMapTy *Top = getTopOfStackOrNull(); |
911 | return Top ? Top->CancelRegion : false; |
912 | } |
913 | |
914 | /// Mark that parent region already has scan directive. |
915 | void setParentHasScanDirective(SourceLocation Loc) { |
916 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
917 | Parent->PrevScanLocation = Loc; |
918 | } |
919 | /// Return true if current region has inner cancel construct. |
920 | bool doesParentHasScanDirective() const { |
921 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
922 | return Top ? Top->PrevScanLocation.isValid() : false; |
923 | } |
924 | /// Return true if current region has inner cancel construct. |
925 | SourceLocation getParentScanDirectiveLoc() const { |
926 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
927 | return Top ? Top->PrevScanLocation : SourceLocation(); |
928 | } |
929 | /// Mark that parent region already has ordered directive. |
930 | void setParentHasOrderedDirective(SourceLocation Loc) { |
931 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
932 | Parent->PrevOrderedLocation = Loc; |
933 | } |
934 | /// Return true if current region has inner ordered construct. |
935 | bool doesParentHasOrderedDirective() const { |
936 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
937 | return Top ? Top->PrevOrderedLocation.isValid() : false; |
938 | } |
939 | /// Returns the location of the previously specified ordered directive. |
940 | SourceLocation getParentOrderedDirectiveLoc() const { |
941 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
942 | return Top ? Top->PrevOrderedLocation : SourceLocation(); |
943 | } |
944 | |
945 | /// Set collapse value for the region. |
946 | void setAssociatedLoops(unsigned Val) { |
947 | getTopOfStack().AssociatedLoops = Val; |
948 | if (Val > 1) |
949 | getTopOfStack().HasMutipleLoops = true; |
950 | } |
951 | /// Return collapse value for region. |
952 | unsigned getAssociatedLoops() const { |
953 | const SharingMapTy *Top = getTopOfStackOrNull(); |
954 | return Top ? Top->AssociatedLoops : 0; |
955 | } |
956 | /// Returns true if the construct is associated with multiple loops. |
957 | bool hasMutipleLoops() const { |
958 | const SharingMapTy *Top = getTopOfStackOrNull(); |
959 | return Top ? Top->HasMutipleLoops : false; |
960 | } |
961 | |
962 | /// Marks current target region as one with closely nested teams |
963 | /// region. |
964 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { |
965 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
966 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; |
967 | } |
968 | /// Returns true, if current region has closely nested teams region. |
969 | bool hasInnerTeamsRegion() const { |
970 | return getInnerTeamsRegionLoc().isValid(); |
971 | } |
972 | /// Returns location of the nested teams region (if any). |
973 | SourceLocation getInnerTeamsRegionLoc() const { |
974 | const SharingMapTy *Top = getTopOfStackOrNull(); |
975 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); |
976 | } |
977 | |
978 | Scope *getCurScope() const { |
979 | const SharingMapTy *Top = getTopOfStackOrNull(); |
980 | return Top ? Top->CurScope : nullptr; |
981 | } |
982 | void setContext(DeclContext *DC) { getTopOfStack().Context = DC; } |
983 | SourceLocation getConstructLoc() const { |
984 | const SharingMapTy *Top = getTopOfStackOrNull(); |
985 | return Top ? Top->ConstructLoc : SourceLocation(); |
986 | } |
987 | |
988 | /// Do the check specified in \a Check to all component lists and return true |
989 | /// if any issue is found. |
990 | bool checkMappableExprComponentListsForDecl( |
991 | const ValueDecl *VD, bool CurrentRegionOnly, |
992 | const llvm::function_ref< |
993 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, |
994 | OpenMPClauseKind)> |
995 | Check) const { |
996 | if (isStackEmpty()) |
997 | return false; |
998 | auto SI = begin(); |
999 | auto SE = end(); |
1000 | |
1001 | if (SI == SE) |
1002 | return false; |
1003 | |
1004 | if (CurrentRegionOnly) |
1005 | SE = std::next(SI); |
1006 | else |
1007 | std::advance(SI, 1); |
1008 | |
1009 | for (; SI != SE; ++SI) { |
1010 | auto MI = SI->MappedExprComponents.find(VD); |
1011 | if (MI != SI->MappedExprComponents.end()) |
1012 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : |
1013 | MI->second.Components) |
1014 | if (Check(L, MI->second.Kind)) |
1015 | return true; |
1016 | } |
1017 | return false; |
1018 | } |
1019 | |
1020 | /// Do the check specified in \a Check to all component lists at a given level |
1021 | /// and return true if any issue is found. |
1022 | bool checkMappableExprComponentListsForDeclAtLevel( |
1023 | const ValueDecl *VD, unsigned Level, |
1024 | const llvm::function_ref< |
1025 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, |
1026 | OpenMPClauseKind)> |
1027 | Check) const { |
1028 | if (getStackSize() <= Level) |
1029 | return false; |
1030 | |
1031 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
1032 | auto MI = StackElem.MappedExprComponents.find(VD); |
1033 | if (MI != StackElem.MappedExprComponents.end()) |
1034 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : |
1035 | MI->second.Components) |
1036 | if (Check(L, MI->second.Kind)) |
1037 | return true; |
1038 | return false; |
1039 | } |
1040 | |
1041 | /// Create a new mappable expression component list associated with a given |
1042 | /// declaration and initialize it with the provided list of components. |
1043 | void addMappableExpressionComponents( |
1044 | const ValueDecl *VD, |
1045 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, |
1046 | OpenMPClauseKind WhereFoundClauseKind) { |
1047 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; |
1048 | // Create new entry and append the new components there. |
1049 | MEC.Components.resize(MEC.Components.size() + 1); |
1050 | MEC.Components.back().append(Components.begin(), Components.end()); |
1051 | MEC.Kind = WhereFoundClauseKind; |
1052 | } |
1053 | |
1054 | unsigned getNestingLevel() const { |
1055 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "clang/lib/Sema/SemaOpenMP.cpp", 1055, __extension__ __PRETTY_FUNCTION__)); |
1056 | return getStackSize() - 1; |
1057 | } |
1058 | void addDoacrossDependClause(OMPDependClause *C, |
1059 | const OperatorOffsetTy &OpsOffs) { |
1060 | SharingMapTy *Parent = getSecondOnStackOrNull(); |
1061 | 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", 1061, __extension__ __PRETTY_FUNCTION__ )); |
1062 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); |
1063 | } |
1064 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> |
1065 | getDoacrossDependClauses() const { |
1066 | const SharingMapTy &StackElem = getTopOfStack(); |
1067 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { |
1068 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; |
1069 | return llvm::make_range(Ref.begin(), Ref.end()); |
1070 | } |
1071 | return llvm::make_range(StackElem.DoacrossDepends.end(), |
1072 | StackElem.DoacrossDepends.end()); |
1073 | } |
1074 | |
1075 | // Store types of classes which have been explicitly mapped |
1076 | void addMappedClassesQualTypes(QualType QT) { |
1077 | SharingMapTy &StackElem = getTopOfStack(); |
1078 | StackElem.MappedClassesQualTypes.insert(QT); |
1079 | } |
1080 | |
1081 | // Return set of mapped classes types |
1082 | bool isClassPreviouslyMapped(QualType QT) const { |
1083 | const SharingMapTy &StackElem = getTopOfStack(); |
1084 | return StackElem.MappedClassesQualTypes.contains(QT); |
1085 | } |
1086 | |
1087 | /// Adds global declare target to the parent target region. |
1088 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { |
1089 | 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", 1091, __extension__ __PRETTY_FUNCTION__ )) |
1090 | 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", 1091, __extension__ __PRETTY_FUNCTION__ )) |
1091 | "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", 1091, __extension__ __PRETTY_FUNCTION__ )); |
1092 | for (auto &Elem : *this) { |
1093 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { |
1094 | Elem.DeclareTargetLinkVarDecls.push_back(E); |
1095 | return; |
1096 | } |
1097 | } |
1098 | } |
1099 | |
1100 | /// Returns the list of globals with declare target link if current directive |
1101 | /// is target. |
1102 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { |
1103 | 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", 1104, __extension__ __PRETTY_FUNCTION__ )) |
1104 | "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", 1104, __extension__ __PRETTY_FUNCTION__ )); |
1105 | return getTopOfStack().DeclareTargetLinkVarDecls; |
1106 | } |
1107 | |
1108 | /// Adds list of allocators expressions. |
1109 | void addInnerAllocatorExpr(Expr *E) { |
1110 | getTopOfStack().InnerUsedAllocators.push_back(E); |
1111 | } |
1112 | /// Return list of used allocators. |
1113 | ArrayRef<Expr *> getInnerAllocators() const { |
1114 | return getTopOfStack().InnerUsedAllocators; |
1115 | } |
1116 | /// Marks the declaration as implicitly firstprivate nin the task-based |
1117 | /// regions. |
1118 | void addImplicitTaskFirstprivate(unsigned Level, Decl *D) { |
1119 | getStackElemAtLevel(Level).ImplicitTaskFirstprivates.insert(D); |
1120 | } |
1121 | /// Checks if the decl is implicitly firstprivate in the task-based region. |
1122 | bool isImplicitTaskFirstprivate(Decl *D) const { |
1123 | return getTopOfStack().ImplicitTaskFirstprivates.contains(D); |
1124 | } |
1125 | |
1126 | /// Marks decl as used in uses_allocators clause as the allocator. |
1127 | void addUsesAllocatorsDecl(const Decl *D, UsesAllocatorsDeclKind Kind) { |
1128 | getTopOfStack().UsesAllocatorsDecls.try_emplace(D, Kind); |
1129 | } |
1130 | /// Checks if specified decl is used in uses allocator clause as the |
1131 | /// allocator. |
1132 | std::optional<UsesAllocatorsDeclKind> |
1133 | isUsesAllocatorsDecl(unsigned Level, const Decl *D) const { |
1134 | const SharingMapTy &StackElem = getTopOfStack(); |
1135 | auto I = StackElem.UsesAllocatorsDecls.find(D); |
1136 | if (I == StackElem.UsesAllocatorsDecls.end()) |
1137 | return std::nullopt; |
1138 | return I->getSecond(); |
1139 | } |
1140 | std::optional<UsesAllocatorsDeclKind> |
1141 | isUsesAllocatorsDecl(const Decl *D) const { |
1142 | const SharingMapTy &StackElem = getTopOfStack(); |
1143 | auto I = StackElem.UsesAllocatorsDecls.find(D); |
1144 | if (I == StackElem.UsesAllocatorsDecls.end()) |
1145 | return std::nullopt; |
1146 | return I->getSecond(); |
1147 | } |
1148 | |
1149 | void addDeclareMapperVarRef(Expr *Ref) { |
1150 | SharingMapTy &StackElem = getTopOfStack(); |
1151 | StackElem.DeclareMapperVar = Ref; |
1152 | } |
1153 | const Expr *getDeclareMapperVarRef() const { |
1154 | const SharingMapTy *Top = getTopOfStackOrNull(); |
1155 | return Top ? Top->DeclareMapperVar : nullptr; |
1156 | } |
1157 | |
1158 | /// Add a new iterator variable. |
1159 | void addIteratorVarDecl(VarDecl *VD) { |
1160 | SharingMapTy &StackElem = getTopOfStack(); |
1161 | StackElem.IteratorVarDecls.push_back(VD->getCanonicalDecl()); |
1162 | } |
1163 | /// Check if variable declaration is an iterator VarDecl. |
1164 | bool isIteratorVarDecl(const VarDecl *VD) const { |
1165 | const SharingMapTy *Top = getTopOfStackOrNull(); |
1166 | if (!Top) |
1167 | return false; |
1168 | |
1169 | return llvm::any_of(Top->IteratorVarDecls, [VD](const VarDecl *IteratorVD) { |
1170 | return IteratorVD == VD->getCanonicalDecl(); |
1171 | }); |
1172 | } |
1173 | /// get captured field from ImplicitDefaultFirstprivateFDs |
1174 | VarDecl *getImplicitFDCapExprDecl(const FieldDecl *FD) const { |
1175 | const_iterator I = begin(); |
1176 | const_iterator EndI = end(); |
1177 | size_t StackLevel = getStackSize(); |
1178 | for (; I != EndI; ++I) { |
1179 | if (I->DefaultAttr == DSA_firstprivate || I->DefaultAttr == DSA_private) |
1180 | break; |
1181 | StackLevel--; |
1182 | } |
1183 | assert((StackLevel > 0 && I != EndI) || (StackLevel == 0 && I == EndI))(static_cast <bool> ((StackLevel > 0 && I != EndI) || (StackLevel == 0 && I == EndI)) ? void (0) : __assert_fail ("(StackLevel > 0 && I != EndI) || (StackLevel == 0 && I == EndI)" , "clang/lib/Sema/SemaOpenMP.cpp", 1183, __extension__ __PRETTY_FUNCTION__ )); |
1184 | if (I == EndI) |
1185 | return nullptr; |
1186 | for (const auto &IFD : I->ImplicitDefaultFirstprivateFDs) |
1187 | if (IFD.FD == FD && IFD.StackLevel == StackLevel) |
1188 | return IFD.VD; |
1189 | return nullptr; |
1190 | } |
1191 | /// Check if capture decl is field captured in ImplicitDefaultFirstprivateFDs |
1192 | bool isImplicitDefaultFirstprivateFD(VarDecl *VD) const { |
1193 | const_iterator I = begin(); |
1194 | const_iterator EndI = end(); |
1195 | for (; I != EndI; ++I) |
1196 | if (I->DefaultAttr == DSA_firstprivate || I->DefaultAttr == DSA_private) |
1197 | break; |
1198 | if (I == EndI) |
1199 | return false; |
1200 | for (const auto &IFD : I->ImplicitDefaultFirstprivateFDs) |
1201 | if (IFD.VD == VD) |
1202 | return true; |
1203 | return false; |
1204 | } |
1205 | /// Store capture FD info in ImplicitDefaultFirstprivateFDs |
1206 | void addImplicitDefaultFirstprivateFD(const FieldDecl *FD, VarDecl *VD) { |
1207 | iterator I = begin(); |
1208 | const_iterator EndI = end(); |
1209 | size_t StackLevel = getStackSize(); |
1210 | for (; I != EndI; ++I) { |
1211 | if (I->DefaultAttr == DSA_private || I->DefaultAttr == DSA_firstprivate) { |
1212 | I->ImplicitDefaultFirstprivateFDs.emplace_back(FD, StackLevel, VD); |
1213 | break; |
1214 | } |
1215 | StackLevel--; |
1216 | } |
1217 | assert((StackLevel > 0 && I != EndI) || (StackLevel == 0 && I == EndI))(static_cast <bool> ((StackLevel > 0 && I != EndI) || (StackLevel == 0 && I == EndI)) ? void (0) : __assert_fail ("(StackLevel > 0 && I != EndI) || (StackLevel == 0 && I == EndI)" , "clang/lib/Sema/SemaOpenMP.cpp", 1217, __extension__ __PRETTY_FUNCTION__ )); |
1218 | } |
1219 | }; |
1220 | |
1221 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { |
1222 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); |
1223 | } |
1224 | |
1225 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { |
1226 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || |
1227 | DKind == OMPD_unknown; |
1228 | } |
1229 | |
1230 | } // namespace |
1231 | |
1232 | static const Expr *getExprAsWritten(const Expr *E) { |
1233 | if (const auto *FE = dyn_cast<FullExpr>(E)) |
1234 | E = FE->getSubExpr(); |
1235 | |
1236 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) |
1237 | E = MTE->getSubExpr(); |
1238 | |
1239 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) |
1240 | E = Binder->getSubExpr(); |
1241 | |
1242 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) |
1243 | E = ICE->getSubExprAsWritten(); |
1244 | return E->IgnoreParens(); |
1245 | } |
1246 | |
1247 | static Expr *getExprAsWritten(Expr *E) { |
1248 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); |
1249 | } |
1250 | |
1251 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { |
1252 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) |
1253 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
1254 | D = ME->getMemberDecl(); |
1255 | const auto *VD = dyn_cast<VarDecl>(D); |
1256 | const auto *FD = dyn_cast<FieldDecl>(D); |
1257 | if (VD != nullptr) { |
1258 | VD = VD->getCanonicalDecl(); |
1259 | D = VD; |
1260 | } else { |
1261 | assert(FD)(static_cast <bool> (FD) ? void (0) : __assert_fail ("FD" , "clang/lib/Sema/SemaOpenMP.cpp", 1261, __extension__ __PRETTY_FUNCTION__ )); |
1262 | FD = FD->getCanonicalDecl(); |
1263 | D = FD; |
1264 | } |
1265 | return D; |
1266 | } |
1267 | |
1268 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { |
1269 | return const_cast<ValueDecl *>( |
1270 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); |
1271 | } |
1272 | |
1273 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, |
1274 | ValueDecl *D) const { |
1275 | D = getCanonicalDecl(D); |
1276 | auto *VD = dyn_cast<VarDecl>(D); |
1277 | const auto *FD = dyn_cast<FieldDecl>(D); |
1278 | DSAVarData DVar; |
1279 | if (Iter == end()) { |
1280 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1281 | // in a region but not in construct] |
1282 | // File-scope or namespace-scope variables referenced in called routines |
1283 | // in the region are shared unless they appear in a threadprivate |
1284 | // directive. |
1285 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) |
1286 | DVar.CKind = OMPC_shared; |
1287 | |
1288 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced |
1289 | // in a region but not in construct] |
1290 | // Variables with static storage duration that are declared in called |
1291 | // routines in the region are shared. |
1292 | if (VD && VD->hasGlobalStorage()) |
1293 | DVar.CKind = OMPC_shared; |
1294 | |
1295 | // Non-static data members are shared by default. |
1296 | if (FD) |
1297 | DVar.CKind = OMPC_shared; |
1298 | |
1299 | return DVar; |
1300 | } |
1301 | |
1302 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1303 | // in a Construct, C/C++, predetermined, p.1] |
1304 | // Variables with automatic storage duration that are declared in a scope |
1305 | // inside the construct are private. |
1306 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && |
1307 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { |
1308 | DVar.CKind = OMPC_private; |
1309 | return DVar; |
1310 | } |
1311 | |
1312 | DVar.DKind = Iter->Directive; |
1313 | // Explicitly specified attributes and local variables with predetermined |
1314 | // attributes. |
1315 | if (Iter->SharingMap.count(D)) { |
1316 | const DSAInfo &Data = Iter->SharingMap.lookup(D); |
1317 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1318 | DVar.PrivateCopy = Data.PrivateCopy; |
1319 | DVar.CKind = Data.Attributes; |
1320 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1321 | DVar.Modifier = Data.Modifier; |
1322 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1323 | return DVar; |
1324 | } |
1325 | |
1326 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1327 | // in a Construct, C/C++, implicitly determined, p.1] |
1328 | // In a parallel or task construct, the data-sharing attributes of these |
1329 | // variables are determined by the default clause, if present. |
1330 | switch (Iter->DefaultAttr) { |
1331 | case DSA_shared: |
1332 | DVar.CKind = OMPC_shared; |
1333 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1334 | return DVar; |
1335 | case DSA_none: |
1336 | return DVar; |
1337 | case DSA_firstprivate: |
1338 | if (VD && VD->getStorageDuration() == SD_Static && |
1339 | VD->getDeclContext()->isFileContext()) { |
1340 | DVar.CKind = OMPC_unknown; |
1341 | } else { |
1342 | DVar.CKind = OMPC_firstprivate; |
1343 | } |
1344 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1345 | return DVar; |
1346 | case DSA_private: |
1347 | // each variable with static storage duration that is declared |
1348 | // in a namespace or global scope and referenced in the construct, |
1349 | // and that does not have a predetermined data-sharing attribute |
1350 | if (VD && VD->getStorageDuration() == SD_Static && |
1351 | VD->getDeclContext()->isFileContext()) { |
1352 | DVar.CKind = OMPC_unknown; |
1353 | } else { |
1354 | DVar.CKind = OMPC_private; |
1355 | } |
1356 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1357 | return DVar; |
1358 | case DSA_unspecified: |
1359 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1360 | // in a Construct, implicitly determined, p.2] |
1361 | // In a parallel construct, if no default clause is present, these |
1362 | // variables are shared. |
1363 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1364 | if ((isOpenMPParallelDirective(DVar.DKind) && |
1365 | !isOpenMPTaskLoopDirective(DVar.DKind)) || |
1366 | isOpenMPTeamsDirective(DVar.DKind)) { |
1367 | DVar.CKind = OMPC_shared; |
1368 | return DVar; |
1369 | } |
1370 | |
1371 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1372 | // in a Construct, implicitly determined, p.4] |
1373 | // In a task construct, if no default clause is present, a variable that in |
1374 | // the enclosing context is determined to be shared by all implicit tasks |
1375 | // bound to the current team is shared. |
1376 | if (isOpenMPTaskingDirective(DVar.DKind)) { |
1377 | DSAVarData DVarTemp; |
1378 | const_iterator I = Iter, E = end(); |
1379 | do { |
1380 | ++I; |
1381 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables |
1382 | // Referenced in a Construct, implicitly determined, p.6] |
1383 | // In a task construct, if no default clause is present, a variable |
1384 | // whose data-sharing attribute is not determined by the rules above is |
1385 | // firstprivate. |
1386 | DVarTemp = getDSA(I, D); |
1387 | if (DVarTemp.CKind != OMPC_shared) { |
1388 | DVar.RefExpr = nullptr; |
1389 | DVar.CKind = OMPC_firstprivate; |
1390 | return DVar; |
1391 | } |
1392 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); |
1393 | DVar.CKind = |
1394 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; |
1395 | return DVar; |
1396 | } |
1397 | } |
1398 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1399 | // in a Construct, implicitly determined, p.3] |
1400 | // For constructs other than task, if no default clause is present, these |
1401 | // variables inherit their data-sharing attributes from the enclosing |
1402 | // context. |
1403 | return getDSA(++Iter, D); |
1404 | } |
1405 | |
1406 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, |
1407 | const Expr *NewDE) { |
1408 | 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", 1408, __extension__ __PRETTY_FUNCTION__ )); |
1409 | D = getCanonicalDecl(D); |
1410 | SharingMapTy &StackElem = getTopOfStack(); |
1411 | auto It = StackElem.AlignedMap.find(D); |
1412 | if (It == StackElem.AlignedMap.end()) { |
1413 | 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", 1413, __extension__ __PRETTY_FUNCTION__ )); |
1414 | StackElem.AlignedMap[D] = NewDE; |
1415 | return nullptr; |
1416 | } |
1417 | 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", 1417, __extension__ __PRETTY_FUNCTION__ )); |
1418 | return It->second; |
1419 | } |
1420 | |
1421 | const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D, |
1422 | const Expr *NewDE) { |
1423 | 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", 1423, __extension__ __PRETTY_FUNCTION__ )); |
1424 | D = getCanonicalDecl(D); |
1425 | SharingMapTy &StackElem = getTopOfStack(); |
1426 | auto It = StackElem.NontemporalMap.find(D); |
1427 | if (It == StackElem.NontemporalMap.end()) { |
1428 | 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", 1428, __extension__ __PRETTY_FUNCTION__ )); |
1429 | StackElem.NontemporalMap[D] = NewDE; |
1430 | return nullptr; |
1431 | } |
1432 | 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", 1432, __extension__ __PRETTY_FUNCTION__ )); |
1433 | return It->second; |
1434 | } |
1435 | |
1436 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { |
1437 | 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", 1437, __extension__ __PRETTY_FUNCTION__ )); |
1438 | D = getCanonicalDecl(D); |
1439 | SharingMapTy &StackElem = getTopOfStack(); |
1440 | StackElem.LCVMap.try_emplace( |
1441 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); |
1442 | } |
1443 | |
1444 | const DSAStackTy::LCDeclInfo |
1445 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { |
1446 | 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", 1446, __extension__ __PRETTY_FUNCTION__ )); |
1447 | D = getCanonicalDecl(D); |
1448 | const SharingMapTy &StackElem = getTopOfStack(); |
1449 | auto It = StackElem.LCVMap.find(D); |
1450 | if (It != StackElem.LCVMap.end()) |
1451 | return It->second; |
1452 | return {0, nullptr}; |
1453 | } |
1454 | |
1455 | const DSAStackTy::LCDeclInfo |
1456 | DSAStackTy::isLoopControlVariable(const ValueDecl *D, unsigned Level) const { |
1457 | 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", 1457, __extension__ __PRETTY_FUNCTION__ )); |
1458 | D = getCanonicalDecl(D); |
1459 | for (unsigned I = Level + 1; I > 0; --I) { |
1460 | const SharingMapTy &StackElem = getStackElemAtLevel(I - 1); |
1461 | auto It = StackElem.LCVMap.find(D); |
1462 | if (It != StackElem.LCVMap.end()) |
1463 | return It->second; |
1464 | } |
1465 | return {0, nullptr}; |
1466 | } |
1467 | |
1468 | const DSAStackTy::LCDeclInfo |
1469 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { |
1470 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
1471 | 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", 1471, __extension__ __PRETTY_FUNCTION__ )); |
1472 | D = getCanonicalDecl(D); |
1473 | auto It = Parent->LCVMap.find(D); |
1474 | if (It != Parent->LCVMap.end()) |
1475 | return It->second; |
1476 | return {0, nullptr}; |
1477 | } |
1478 | |
1479 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { |
1480 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
1481 | 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", 1481, __extension__ __PRETTY_FUNCTION__ )); |
1482 | if (Parent->LCVMap.size() < I) |
1483 | return nullptr; |
1484 | for (const auto &Pair : Parent->LCVMap) |
1485 | if (Pair.second.first == I) |
1486 | return Pair.first; |
1487 | return nullptr; |
1488 | } |
1489 | |
1490 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, |
1491 | DeclRefExpr *PrivateCopy, unsigned Modifier, |
1492 | bool AppliedToPointee) { |
1493 | D = getCanonicalDecl(D); |
1494 | if (A == OMPC_threadprivate) { |
1495 | DSAInfo &Data = Threadprivates[D]; |
1496 | Data.Attributes = A; |
1497 | Data.RefExpr.setPointer(E); |
1498 | Data.PrivateCopy = nullptr; |
1499 | Data.Modifier = Modifier; |
1500 | } else { |
1501 | DSAInfo &Data = getTopOfStack().SharingMap[D]; |
1502 | 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", 1505, __extension__ __PRETTY_FUNCTION__ )) |
1503 | (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", 1505, __extension__ __PRETTY_FUNCTION__ )) |
1504 | (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", 1505, __extension__ __PRETTY_FUNCTION__ )) |
1505 | (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", 1505, __extension__ __PRETTY_FUNCTION__ )); |
1506 | Data.Modifier = Modifier; |
1507 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { |
1508 | Data.RefExpr.setInt(/*IntVal=*/true); |
1509 | return; |
1510 | } |
1511 | const bool IsLastprivate = |
1512 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; |
1513 | Data.Attributes = A; |
1514 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); |
1515 | Data.PrivateCopy = PrivateCopy; |
1516 | Data.AppliedToPointee = AppliedToPointee; |
1517 | if (PrivateCopy) { |
1518 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; |
1519 | Data.Modifier = Modifier; |
1520 | Data.Attributes = A; |
1521 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); |
1522 | Data.PrivateCopy = nullptr; |
1523 | Data.AppliedToPointee = AppliedToPointee; |
1524 | } |
1525 | } |
1526 | } |
1527 | |
1528 | /// Build a variable declaration for OpenMP loop iteration variable. |
1529 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, |
1530 | StringRef Name, const AttrVec *Attrs = nullptr, |
1531 | DeclRefExpr *OrigRef = nullptr) { |
1532 | DeclContext *DC = SemaRef.CurContext; |
1533 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); |
1534 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); |
1535 | auto *Decl = |
1536 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); |
1537 | if (Attrs) { |
1538 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); |
1539 | I != E; ++I) |
1540 | Decl->addAttr(*I); |
1541 | } |
1542 | Decl->setImplicit(); |
1543 | if (OrigRef) { |
1544 | Decl->addAttr( |
1545 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); |
1546 | } |
1547 | return Decl; |
1548 | } |
1549 | |
1550 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, |
1551 | SourceLocation Loc, |
1552 | bool RefersToCapture = false) { |
1553 | D->setReferenced(); |
1554 | D->markUsed(S.Context); |
1555 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), |
1556 | SourceLocation(), D, RefersToCapture, Loc, Ty, |
1557 | VK_LValue); |
1558 | } |
1559 | |
1560 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
1561 | BinaryOperatorKind BOK) { |
1562 | D = getCanonicalDecl(D); |
1563 | 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", 1563, __extension__ __PRETTY_FUNCTION__ )); |
1564 | 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", 1566, __extension__ __PRETTY_FUNCTION__ )) |
1565 | 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", 1566, __extension__ __PRETTY_FUNCTION__ )) |
1566 | "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", 1566, __extension__ __PRETTY_FUNCTION__ )); |
1567 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; |
1568 | 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", 1574, __extension__ __PRETTY_FUNCTION__ )) |
1569 | (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", 1574, __extension__ __PRETTY_FUNCTION__ )) |
1570 | ((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", 1574, __extension__ __PRETTY_FUNCTION__ )) |
1571 | 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", 1574, __extension__ __PRETTY_FUNCTION__ )) |
1572 | !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", 1574, __extension__ __PRETTY_FUNCTION__ )) |
1573 | "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", 1574, __extension__ __PRETTY_FUNCTION__ )) |
1574 | "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", 1574, __extension__ __PRETTY_FUNCTION__ )); |
1575 | ReductionData.set(BOK, SR); |
1576 | Expr *&TaskgroupReductionRef = getTopOfStack().TaskgroupReductionRef; |
1577 | if (!TaskgroupReductionRef) { |
1578 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), |
1579 | SemaRef.Context.VoidPtrTy, ".task_red."); |
1580 | TaskgroupReductionRef = |
1581 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); |
1582 | } |
1583 | } |
1584 | |
1585 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
1586 | const Expr *ReductionRef) { |
1587 | D = getCanonicalDecl(D); |
1588 | 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", 1588, __extension__ __PRETTY_FUNCTION__ )); |
1589 | 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", 1591, __extension__ __PRETTY_FUNCTION__ )) |
1590 | 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", 1591, __extension__ __PRETTY_FUNCTION__ )) |
1591 | "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", 1591, __extension__ __PRETTY_FUNCTION__ )); |
1592 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; |
1593 | 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", 1599, __extension__ __PRETTY_FUNCTION__ )) |
1594 | (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", 1599, __extension__ __PRETTY_FUNCTION__ )) |
1595 | ((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", 1599, __extension__ __PRETTY_FUNCTION__ )) |
1596 | 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", 1599, __extension__ __PRETTY_FUNCTION__ )) |
1597 | !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", 1599, __extension__ __PRETTY_FUNCTION__ )) |
1598 | "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", 1599, __extension__ __PRETTY_FUNCTION__ )) |
1599 | "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", 1599, __extension__ __PRETTY_FUNCTION__ )); |
1600 | ReductionData.set(ReductionRef, SR); |
1601 | Expr *&TaskgroupReductionRef = getTopOfStack().TaskgroupReductionRef; |
1602 | if (!TaskgroupReductionRef) { |
1603 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), |
1604 | SemaRef.Context.VoidPtrTy, ".task_red."); |
1605 | TaskgroupReductionRef = |
1606 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); |
1607 | } |
1608 | } |
1609 | |
1610 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( |
1611 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, |
1612 | Expr *&TaskgroupDescriptor) const { |
1613 | D = getCanonicalDecl(D); |
1614 | 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", 1614, __extension__ __PRETTY_FUNCTION__ )); |
1615 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { |
1616 | const DSAInfo &Data = I->SharingMap.lookup(D); |
1617 | if (Data.Attributes != OMPC_reduction || |
1618 | Data.Modifier != OMPC_REDUCTION_task) |
1619 | continue; |
1620 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); |
1621 | if (!ReductionData.ReductionOp || |
1622 | ReductionData.ReductionOp.is<const Expr *>()) |
1623 | return DSAVarData(); |
1624 | SR = ReductionData.ReductionRange; |
1625 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); |
1626 | 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", 1628, __extension__ __PRETTY_FUNCTION__ )) |
1627 | "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", 1628, __extension__ __PRETTY_FUNCTION__ )) |
1628 | "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", 1628, __extension__ __PRETTY_FUNCTION__ )); |
1629 | TaskgroupDescriptor = I->TaskgroupReductionRef; |
1630 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), |
1631 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, |
1632 | /*AppliedToPointee=*/false); |
1633 | } |
1634 | return DSAVarData(); |
1635 | } |
1636 | |
1637 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( |
1638 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, |
1639 | Expr *&TaskgroupDescriptor) const { |
1640 | D = getCanonicalDecl(D); |
1641 | 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", 1641, __extension__ __PRETTY_FUNCTION__ )); |
1642 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { |
1643 | const DSAInfo &Data = I->SharingMap.lookup(D); |
1644 | if (Data.Attributes != OMPC_reduction || |
1645 | Data.Modifier != OMPC_REDUCTION_task) |
1646 | continue; |
1647 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); |
1648 | if (!ReductionData.ReductionOp || |
1649 | !ReductionData.ReductionOp.is<const Expr *>()) |
1650 | return DSAVarData(); |
1651 | SR = ReductionData.ReductionRange; |
1652 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); |
1653 | 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", 1655, __extension__ __PRETTY_FUNCTION__ )) |
1654 | "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", 1655, __extension__ __PRETTY_FUNCTION__ )) |
1655 | "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", 1655, __extension__ __PRETTY_FUNCTION__ )); |
1656 | TaskgroupDescriptor = I->TaskgroupReductionRef; |
1657 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), |
1658 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, |
1659 | /*AppliedToPointee=*/false); |
1660 | } |
1661 | return DSAVarData(); |
1662 | } |
1663 | |
1664 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { |
1665 | D = D->getCanonicalDecl(); |
1666 | for (const_iterator E = end(); I != E; ++I) { |
1667 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || |
1668 | isOpenMPTargetExecutionDirective(I->Directive)) { |
1669 | if (I->CurScope) { |
1670 | Scope *TopScope = I->CurScope->getParent(); |
1671 | Scope *CurScope = getCurScope(); |
1672 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) |
1673 | CurScope = CurScope->getParent(); |
1674 | return CurScope != TopScope; |
1675 | } |
1676 | for (DeclContext *DC = D->getDeclContext(); DC; DC = DC->getParent()) |
1677 | if (I->Context == DC) |
1678 | return true; |
1679 | return false; |
1680 | } |
1681 | } |
1682 | return false; |
1683 | } |
1684 | |
1685 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, |
1686 | bool AcceptIfMutable = true, |
1687 | bool *IsClassType = nullptr) { |
1688 | ASTContext &Context = SemaRef.getASTContext(); |
1689 | Type = Type.getNonReferenceType().getCanonicalType(); |
1690 | bool IsConstant = Type.isConstant(Context); |
1691 | Type = Context.getBaseElementType(Type); |
1692 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus |
1693 | ? Type->getAsCXXRecordDecl() |
1694 | : nullptr; |
1695 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) |
1696 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) |
1697 | RD = CTD->getTemplatedDecl(); |
1698 | if (IsClassType) |
1699 | *IsClassType = RD; |
1700 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && |
1701 | RD->hasDefinition() && RD->hasMutableFields()); |
1702 | } |
1703 | |
1704 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, |
1705 | QualType Type, OpenMPClauseKind CKind, |
1706 | SourceLocation ELoc, |
1707 | bool AcceptIfMutable = true, |
1708 | bool ListItemNotVar = false) { |
1709 | ASTContext &Context = SemaRef.getASTContext(); |
1710 | bool IsClassType; |
1711 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { |
1712 | unsigned Diag = ListItemNotVar ? diag::err_omp_const_list_item |
1713 | : IsClassType ? diag::err_omp_const_not_mutable_variable |
1714 | : diag::err_omp_const_variable; |
1715 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); |
1716 | if (!ListItemNotVar && D) { |
1717 | const VarDecl *VD = dyn_cast<VarDecl>(D); |
1718 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
1719 | VarDecl::DeclarationOnly; |
1720 | SemaRef.Diag(D->getLocation(), |
1721 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
1722 | << D; |
1723 | } |
1724 | return true; |
1725 | } |
1726 | return false; |
1727 | } |
1728 | |
1729 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, |
1730 | bool FromParent) { |
1731 | D = getCanonicalDecl(D); |
1732 | DSAVarData DVar; |
1733 | |
1734 | auto *VD = dyn_cast<VarDecl>(D); |
1735 | auto TI = Threadprivates.find(D); |
1736 | if (TI != Threadprivates.end()) { |
1737 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); |
1738 | DVar.CKind = OMPC_threadprivate; |
1739 | DVar.Modifier = TI->getSecond().Modifier; |
1740 | return DVar; |
1741 | } |
1742 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { |
1743 | DVar.RefExpr = buildDeclRefExpr( |
1744 | SemaRef, VD, D->getType().getNonReferenceType(), |
1745 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); |
1746 | DVar.CKind = OMPC_threadprivate; |
1747 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); |
1748 | return DVar; |
1749 | } |
1750 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1751 | // in a Construct, C/C++, predetermined, p.1] |
1752 | // Variables appearing in threadprivate directives are threadprivate. |
1753 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && |
1754 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && |
1755 | SemaRef.getLangOpts().OpenMPUseTLS && |
1756 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || |
1757 | (VD && VD->getStorageClass() == SC_Register && |
1758 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { |
1759 | DVar.RefExpr = buildDeclRefExpr( |
1760 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); |
1761 | DVar.CKind = OMPC_threadprivate; |
1762 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); |
1763 | return DVar; |
1764 | } |
1765 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && |
1766 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && |
1767 | !isLoopControlVariable(D).first) { |
1768 | const_iterator IterTarget = |
1769 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { |
1770 | return isOpenMPTargetExecutionDirective(Data.Directive); |
1771 | }); |
1772 | if (IterTarget != end()) { |
1773 | const_iterator ParentIterTarget = IterTarget + 1; |
1774 | for (const_iterator Iter = begin(); Iter != ParentIterTarget; ++Iter) { |
1775 | if (isOpenMPLocal(VD, Iter)) { |
1776 | DVar.RefExpr = |
1777 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), |
1778 | D->getLocation()); |
1779 | DVar.CKind = OMPC_threadprivate; |
1780 | return DVar; |
1781 | } |
1782 | } |
1783 | if (!isClauseParsingMode() || IterTarget != begin()) { |
1784 | auto DSAIter = IterTarget->SharingMap.find(D); |
1785 | if (DSAIter != IterTarget->SharingMap.end() && |
1786 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { |
1787 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); |
1788 | DVar.CKind = OMPC_threadprivate; |
1789 | return DVar; |
1790 | } |
1791 | const_iterator End = end(); |
1792 | if (!SemaRef.isOpenMPCapturedByRef(D, |
1793 | std::distance(ParentIterTarget, End), |
1794 | /*OpenMPCaptureLevel=*/0)) { |
1795 | DVar.RefExpr = |
1796 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), |
1797 | IterTarget->ConstructLoc); |
1798 | DVar.CKind = OMPC_threadprivate; |
1799 | return DVar; |
1800 | } |
1801 | } |
1802 | } |
1803 | } |
1804 | |
1805 | if (isStackEmpty()) |
1806 | // Not in OpenMP execution region and top scope was already checked. |
1807 | return DVar; |
1808 | |
1809 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1810 | // in a Construct, C/C++, predetermined, p.4] |
1811 | // Static data members are shared. |
1812 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1813 | // in a Construct, C/C++, predetermined, p.7] |
1814 | // Variables with static storage duration that are declared in a scope |
1815 | // inside the construct are shared. |
1816 | if (VD && VD->isStaticDataMember()) { |
1817 | // Check for explicitly specified attributes. |
1818 | const_iterator I = begin(); |
1819 | const_iterator EndI = end(); |
1820 | if (FromParent && I != EndI) |
1821 | ++I; |
1822 | if (I != EndI) { |
1823 | auto It = I->SharingMap.find(D); |
1824 | if (It != I->SharingMap.end()) { |
1825 | const DSAInfo &Data = It->getSecond(); |
1826 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1827 | DVar.PrivateCopy = Data.PrivateCopy; |
1828 | DVar.CKind = Data.Attributes; |
1829 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; |
1830 | DVar.DKind = I->Directive; |
1831 | DVar.Modifier = Data.Modifier; |
1832 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1833 | return DVar; |
1834 | } |
1835 | } |
1836 | |
1837 | DVar.CKind = OMPC_shared; |
1838 | return DVar; |
1839 | } |
1840 | |
1841 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; |
1842 | // The predetermined shared attribute for const-qualified types having no |
1843 | // mutable members was removed after OpenMP 3.1. |
1844 | if (SemaRef.LangOpts.OpenMP <= 31) { |
1845 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1846 | // in a Construct, C/C++, predetermined, p.6] |
1847 | // Variables with const qualified type having no mutable member are |
1848 | // shared. |
1849 | if (isConstNotMutableType(SemaRef, D->getType())) { |
1850 | // Variables with const-qualified type having no mutable member may be |
1851 | // listed in a firstprivate clause, even if they are static data members. |
1852 | DSAVarData DVarTemp = hasInnermostDSA( |
1853 | D, |
1854 | [](OpenMPClauseKind C, bool) { |
1855 | return C == OMPC_firstprivate || C == OMPC_shared; |
1856 | }, |
1857 | MatchesAlways, FromParent); |
1858 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) |
1859 | return DVarTemp; |
1860 | |
1861 | DVar.CKind = OMPC_shared; |
1862 | return DVar; |
1863 | } |
1864 | } |
1865 | |
1866 | // Explicitly specified attributes and local variables with predetermined |
1867 | // attributes. |
1868 | const_iterator I = begin(); |
1869 | const_iterator EndI = end(); |
1870 | if (FromParent && I != EndI) |
1871 | ++I; |
1872 | if (I == EndI) |
1873 | return DVar; |
1874 | auto It = I->SharingMap.find(D); |
1875 | if (It != I->SharingMap.end()) { |
1876 | const DSAInfo &Data = It->getSecond(); |
1877 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1878 | DVar.PrivateCopy = Data.PrivateCopy; |
1879 | DVar.CKind = Data.Attributes; |
1880 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; |
1881 | DVar.DKind = I->Directive; |
1882 | DVar.Modifier = Data.Modifier; |
1883 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1884 | } |
1885 | |
1886 | return DVar; |
1887 | } |
1888 | |
1889 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, |
1890 | bool FromParent) const { |
1891 | if (isStackEmpty()) { |
1892 | const_iterator I; |
1893 | return getDSA(I, D); |
1894 | } |
1895 | D = getCanonicalDecl(D); |
1896 | const_iterator StartI = begin(); |
1897 | const_iterator EndI = end(); |
1898 | if (FromParent && StartI != EndI) |
1899 | ++StartI; |
1900 | return getDSA(StartI, D); |
1901 | } |
1902 | |
1903 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, |
1904 | unsigned Level) const { |
1905 | if (getStackSize() <= Level) |
1906 | return DSAVarData(); |
1907 | D = getCanonicalDecl(D); |
1908 | const_iterator StartI = std::next(begin(), getStackSize() - 1 - Level); |
1909 | return getDSA(StartI, D); |
1910 | } |
1911 | |
1912 | const DSAStackTy::DSAVarData |
1913 | DSAStackTy::hasDSA(ValueDecl *D, |
1914 | const llvm::function_ref<bool(OpenMPClauseKind, bool, |
1915 | DefaultDataSharingAttributes)> |
1916 | CPred, |
1917 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1918 | bool FromParent) const { |
1919 | if (isStackEmpty()) |
1920 | return {}; |
1921 | D = getCanonicalDecl(D); |
1922 | const_iterator I = begin(); |
1923 | const_iterator EndI = end(); |
1924 | if (FromParent && I != EndI) |
1925 | ++I; |
1926 | for (; I != EndI; ++I) { |
1927 | if (!DPred(I->Directive) && |
1928 | !isImplicitOrExplicitTaskingRegion(I->Directive)) |
1929 | continue; |
1930 | const_iterator NewI = I; |
1931 | DSAVarData DVar = getDSA(NewI, D); |
1932 | if (I == NewI && CPred(DVar.CKind, DVar.AppliedToPointee, I->DefaultAttr)) |
1933 | return DVar; |
1934 | } |
1935 | return {}; |
1936 | } |
1937 | |
1938 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( |
1939 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1940 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1941 | bool FromParent) const { |
1942 | if (isStackEmpty()) |
1943 | return {}; |
1944 | D = getCanonicalDecl(D); |
1945 | const_iterator StartI = begin(); |
1946 | const_iterator EndI = end(); |
1947 | if (FromParent && StartI != EndI) |
1948 | ++StartI; |
1949 | if (StartI == EndI || !DPred(StartI->Directive)) |
1950 | return {}; |
1951 | const_iterator NewI = StartI; |
1952 | DSAVarData DVar = getDSA(NewI, D); |
1953 | return (NewI == StartI && CPred(DVar.CKind, DVar.AppliedToPointee)) |
1954 | ? DVar |
1955 | : DSAVarData(); |
1956 | } |
1957 | |
1958 | bool DSAStackTy::hasExplicitDSA( |
1959 | const ValueDecl *D, |
1960 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1961 | unsigned Level, bool NotLastprivate) const { |
1962 | if (getStackSize() <= Level) |
1963 | return false; |
1964 | D = getCanonicalDecl(D); |
1965 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
1966 | auto I = StackElem.SharingMap.find(D); |
1967 | if (I != StackElem.SharingMap.end() && I->getSecond().RefExpr.getPointer() && |
1968 | CPred(I->getSecond().Attributes, I->getSecond().AppliedToPointee) && |
1969 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) |
1970 | return true; |
1971 | // Check predetermined rules for the loop control variables. |
1972 | auto LI = StackElem.LCVMap.find(D); |
1973 | if (LI != StackElem.LCVMap.end()) |
1974 | return CPred(OMPC_private, /*AppliedToPointee=*/false); |
1975 | return false; |
1976 | } |
1977 | |
1978 | bool DSAStackTy::hasExplicitDirective( |
1979 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1980 | unsigned Level) const { |
1981 | if (getStackSize() <= Level) |
1982 | return false; |
1983 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
1984 | return DPred(StackElem.Directive); |
1985 | } |
1986 | |
1987 | bool DSAStackTy::hasDirective( |
1988 | const llvm::function_ref<bool(OpenMPDirectiveKind, |
1989 | const DeclarationNameInfo &, SourceLocation)> |
1990 | DPred, |
1991 | bool FromParent) const { |
1992 | // We look only in the enclosing region. |
1993 | size_t Skip = FromParent ? 2 : 1; |
1994 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); |
1995 | I != E; ++I) { |
1996 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) |
1997 | return true; |
1998 | } |
1999 | return false; |
2000 | } |
2001 | |
2002 | void Sema::InitDataSharingAttributesStack() { |
2003 | VarDataSharingAttributesStack = new DSAStackTy(*this); |
2004 | } |
2005 | |
2006 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) |
2007 | |
2008 | void Sema::pushOpenMPFunctionRegion() { DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); } |
2009 | |
2010 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { |
2011 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); |
2012 | } |
2013 | |
2014 | static bool isOpenMPDeviceDelayedContext(Sema &S) { |
2015 | 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", 2016, __extension__ __PRETTY_FUNCTION__ )) |
2016 | "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", 2016, __extension__ __PRETTY_FUNCTION__ )); |
2017 | return !S.isInOpenMPTargetExecutionDirective(); |
2018 | } |
2019 | |
2020 | namespace { |
2021 | /// Status of the function emission on the host/device. |
2022 | enum class FunctionEmissionStatus { |
2023 | Emitted, |
2024 | Discarded, |
2025 | Unknown, |
2026 | }; |
2027 | } // anonymous namespace |
2028 | |
2029 | Sema::SemaDiagnosticBuilder |
2030 | Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, unsigned DiagID, |
2031 | const FunctionDecl *FD) { |
2032 | 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", 2033, __extension__ __PRETTY_FUNCTION__ )) |
2033 | "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", 2033, __extension__ __PRETTY_FUNCTION__ )); |
2034 | |
2035 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; |
2036 | if (FD) { |
2037 | FunctionEmissionStatus FES = getEmissionStatus(FD); |
2038 | switch (FES) { |
2039 | case FunctionEmissionStatus::Emitted: |
2040 | Kind = SemaDiagnosticBuilder::K_Immediate; |
2041 | break; |
2042 | case FunctionEmissionStatus::Unknown: |
2043 | // TODO: We should always delay diagnostics here in case a target |
2044 | // region is in a function we do not emit. However, as the |
2045 | // current diagnostics are associated with the function containing |
2046 | // the target region and we do not emit that one, we would miss out |
2047 | // on diagnostics for the target region itself. We need to anchor |
2048 | // the diagnostics with the new generated function *or* ensure we |
2049 | // emit diagnostics associated with the surrounding function. |
2050 | Kind = isOpenMPDeviceDelayedContext(*this) |
2051 | ? SemaDiagnosticBuilder::K_Deferred |
2052 | : SemaDiagnosticBuilder::K_Immediate; |
2053 | break; |
2054 | case FunctionEmissionStatus::TemplateDiscarded: |
2055 | case FunctionEmissionStatus::OMPDiscarded: |
2056 | Kind = SemaDiagnosticBuilder::K_Nop; |
2057 | break; |
2058 | case FunctionEmissionStatus::CUDADiscarded: |
2059 | llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation")::llvm::llvm_unreachable_internal("CUDADiscarded unexpected in OpenMP device compilation" , "clang/lib/Sema/SemaOpenMP.cpp", 2059); |
2060 | break; |
2061 | } |
2062 | } |
2063 | |
2064 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); |
2065 | } |
2066 | |
2067 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, |
2068 | unsigned DiagID, |
2069 | const FunctionDecl *FD) { |
2070 | 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", 2071, __extension__ __PRETTY_FUNCTION__ )) |
2071 | "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", 2071, __extension__ __PRETTY_FUNCTION__ )); |
2072 | |
2073 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; |
2074 | if (FD) { |
2075 | FunctionEmissionStatus FES = getEmissionStatus(FD); |
2076 | switch (FES) { |
2077 | case FunctionEmissionStatus::Emitted: |
2078 | Kind = SemaDiagnosticBuilder::K_Immediate; |
2079 | break; |
2080 | case FunctionEmissionStatus::Unknown: |
2081 | Kind = SemaDiagnosticBuilder::K_Deferred; |
2082 | break; |
2083 | case FunctionEmissionStatus::TemplateDiscarded: |
2084 | case FunctionEmissionStatus::OMPDiscarded: |
2085 | case FunctionEmissionStatus::CUDADiscarded: |
2086 | Kind = SemaDiagnosticBuilder::K_Nop; |
2087 | break; |
2088 | } |
2089 | } |
2090 | |
2091 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); |
2092 | } |
2093 | |
2094 | static OpenMPDefaultmapClauseKind |
2095 | getVariableCategoryFromDecl(const LangOptions &LO, const ValueDecl *VD) { |
2096 | if (LO.OpenMP <= 45) { |
2097 | if (VD->getType().getNonReferenceType()->isScalarType()) |
2098 | return OMPC_DEFAULTMAP_scalar; |
2099 | return OMPC_DEFAULTMAP_aggregate; |
2100 | } |
2101 | if (VD->getType().getNonReferenceType()->isAnyPointerType()) |
2102 | return OMPC_DEFAULTMAP_pointer; |
2103 | if (VD->getType().getNonReferenceType()->isScalarType()) |
2104 | return OMPC_DEFAULTMAP_scalar; |
2105 | return OMPC_DEFAULTMAP_aggregate; |
2106 | } |
2107 | |
2108 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, |
2109 | unsigned OpenMPCaptureLevel) const { |
2110 | 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", 2110, __extension__ __PRETTY_FUNCTION__ )); |
2111 | |
2112 | ASTContext &Ctx = getASTContext(); |
2113 | bool IsByRef = true; |
2114 | |
2115 | // Find the directive that is associated with the provided scope. |
2116 | D = cast<ValueDecl>(D->getCanonicalDecl()); |
2117 | QualType Ty = D->getType(); |
2118 | |
2119 | bool IsVariableUsedInMapClause = false; |
2120 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { |
2121 | // This table summarizes how a given variable should be passed to the device |
2122 | // given its type and the clauses where it appears. This table is based on |
2123 | // the description in OpenMP 4.5 [2.10.4, target Construct] and |
2124 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. |
2125 | // |
2126 | // ========================================================================= |
2127 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | |
2128 | // | |(tofrom:scalar)| | pvt | |has_dv_adr| | |
2129 | // ========================================================================= |
2130 | // | scl | | | | - | | bycopy| |
2131 | // | scl | | - | x | - | - | bycopy| |
2132 | // | scl | | x | - | - | - | null | |
2133 | // | scl | x | | | - | | byref | |
2134 | // | scl | x | - | x | - | - | bycopy| |
2135 | // | scl | x | x | - | - | - | null | |
2136 | // | scl | | - | - | - | x | byref | |
2137 | // | scl | x | - | - | - | x | byref | |
2138 | // |
2139 | // | agg | n.a. | | | - | | byref | |
2140 | // | agg | n.a. | - | x | - | - | byref | |
2141 | // | agg | n.a. | x | - | - | - | null | |
2142 | // | agg | n.a. | - | - | - | x | byref | |
2143 | // | agg | n.a. | - | - | - | x[] | byref | |
2144 | // |
2145 | // | ptr | n.a. | | | - | | bycopy| |
2146 | // | ptr | n.a. | - | x | - | - | bycopy| |
2147 | // | ptr | n.a. | x | - | - | - | null | |
2148 | // | ptr | n.a. | - | - | - | x | byref | |
2149 | // | ptr | n.a. | - | - | - | x[] | bycopy| |
2150 | // | ptr | n.a. | - | - | x | | bycopy| |
2151 | // | ptr | n.a. | - | - | x | x | bycopy| |
2152 | // | ptr | n.a. | - | - | x | x[] | bycopy| |
2153 | // ========================================================================= |
2154 | // Legend: |
2155 | // scl - scalar |
2156 | // ptr - pointer |
2157 | // agg - aggregate |
2158 | // x - applies |
2159 | // - - invalid in this combination |
2160 | // [] - mapped with an array section |
2161 | // byref - should be mapped by reference |
2162 | // byval - should be mapped by value |
2163 | // null - initialize a local variable to null on the device |
2164 | // |
2165 | // Observations: |
2166 | // - All scalar declarations that show up in a map clause have to be passed |
2167 | // by reference, because they may have been mapped in the enclosing data |
2168 | // environment. |
2169 | // - If the scalar value does not fit the size of uintptr, it has to be |
2170 | // passed by reference, regardless the result in the table above. |
2171 | // - For pointers mapped by value that have either an implicit map or an |
2172 | // array section, the runtime library may pass the NULL value to the |
2173 | // device instead of the value passed to it by the compiler. |
2174 | |
2175 | if (Ty->isReferenceType()) |
2176 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); |
2177 | |
2178 | // Locate map clauses and see if the variable being captured is referred to |
2179 | // in any of those clauses. Here we only care about variables, not fields, |
2180 | // because fields are part of aggregates. |
2181 | bool IsVariableAssociatedWithSection = false; |
2182 | |
2183 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( |
2184 | D, Level, |
2185 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, |
2186 | D](OMPClauseMappableExprCommon::MappableExprComponentListRef |
2187 | MapExprComponents, |
2188 | OpenMPClauseKind WhereFoundClauseKind) { |
2189 | // Both map and has_device_addr clauses information influences how a |
2190 | // variable is captured. E.g. is_device_ptr does not require changing |
2191 | // the default behavior. |
2192 | if (WhereFoundClauseKind != OMPC_map && |
2193 | WhereFoundClauseKind != OMPC_has_device_addr) |
2194 | return false; |
2195 | |
2196 | auto EI = MapExprComponents.rbegin(); |
2197 | auto EE = MapExprComponents.rend(); |
2198 | |
2199 | 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", 2199, __extension__ __PRETTY_FUNCTION__ )); |
2200 | |
2201 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) |
2202 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; |
2203 | |
2204 | ++EI; |
2205 | if (EI == EE) |
2206 | return false; |
2207 | auto Last = std::prev(EE); |
2208 | const auto *UO = |
2209 | dyn_cast<UnaryOperator>(Last->getAssociatedExpression()); |
2210 | if ((UO && UO->getOpcode() == UO_Deref) || |
2211 | isa<ArraySubscriptExpr>(Last->getAssociatedExpression()) || |
2212 | isa<OMPArraySectionExpr>(Last->getAssociatedExpression()) || |
2213 | isa<MemberExpr>(EI->getAssociatedExpression()) || |
2214 | isa<OMPArrayShapingExpr>(Last->getAssociatedExpression())) { |
2215 | IsVariableAssociatedWithSection = true; |
2216 | // There is nothing more we need to know about this variable. |
2217 | return true; |
2218 | } |
2219 | |
2220 | // Keep looking for more map info. |
2221 | return false; |
2222 | }); |
2223 | |
2224 | if (IsVariableUsedInMapClause) { |
2225 | // If variable is identified in a map clause it is always captured by |
2226 | // reference except if it is a pointer that is dereferenced somehow. |
2227 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); |
2228 | } else { |
2229 | // By default, all the data that has a scalar type is mapped by copy |
2230 | // (except for reduction variables). |
2231 | // Defaultmap scalar is mutual exclusive to defaultmap pointer |
2232 | IsByRef = (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && |
2233 | !Ty->isAnyPointerType()) || |
2234 | !Ty->isScalarType() || |
2235 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isDefaultmapCapturedByRef( |
2236 | Level, getVariableCategoryFromDecl(LangOpts, D)) || |
2237 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2238 | D, |
2239 | [](OpenMPClauseKind K, bool AppliedToPointee) { |
2240 | return K == OMPC_reduction && !AppliedToPointee; |
2241 | }, |
2242 | Level); |
2243 | } |
2244 | } |
2245 | |
2246 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { |
2247 | IsByRef = |
2248 | ((IsVariableUsedInMapClause && |
2249 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == |
2250 | OMPD_target) || |
2251 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2252 | D, |
2253 | [](OpenMPClauseKind K, bool AppliedToPointee) -> bool { |
2254 | return K == OMPC_firstprivate || |
2255 | (K == OMPC_reduction && AppliedToPointee); |
2256 | }, |
2257 | Level, /*NotLastprivate=*/true) || |
2258 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D))) && |
2259 | // If the variable is artificial and must be captured by value - try to |
2260 | // capture by value. |
2261 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && |
2262 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()) && |
2263 | // If the variable is implicitly firstprivate and scalar - capture by |
2264 | // copy |
2265 | !((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate || |
2266 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_private) && |
2267 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2268 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_unknown; }, |
2269 | Level) && |
2270 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first); |
2271 | } |
2272 | |
2273 | // When passing data by copy, we need to make sure it fits the uintptr size |
2274 | // and alignment, because the runtime library only deals with uintptr types. |
2275 | // If it does not fit the uintptr size, we need to pass the data by reference |
2276 | // instead. |
2277 | if (!IsByRef && (Ctx.getTypeSizeInChars(Ty) > |
2278 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || |
2279 | Ctx.getAlignOfGlobalVarInChars(Ty) > |
2280 | Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { |
2281 | IsByRef = true; |
2282 | } |
2283 | |
2284 | return IsByRef; |
2285 | } |
2286 | |
2287 | unsigned Sema::getOpenMPNestingLevel() const { |
2288 | assert(getLangOpts().OpenMP)(static_cast <bool> (getLangOpts().OpenMP) ? void (0) : __assert_fail ("getLangOpts().OpenMP", "clang/lib/Sema/SemaOpenMP.cpp" , 2288, __extension__ __PRETTY_FUNCTION__)); |
2289 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); |
2290 | } |
2291 | |
2292 | bool Sema::isInOpenMPTaskUntiedContext() const { |
2293 | return isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
2294 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUntiedRegion(); |
2295 | } |
2296 | |
2297 | bool Sema::isInOpenMPTargetExecutionDirective() const { |
2298 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
2299 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || |
2300 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( |
2301 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, |
2302 | SourceLocation) -> bool { |
2303 | return isOpenMPTargetExecutionDirective(K); |
2304 | }, |
2305 | false); |
2306 | } |
2307 | |
2308 | bool Sema::isOpenMPRebuildMemberExpr(ValueDecl *D) { |
2309 | // Only rebuild for Field. |
2310 | if (!dyn_cast<FieldDecl>(D)) |
2311 | return false; |
2312 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( |
2313 | D, |
2314 | [](OpenMPClauseKind C, bool AppliedToPointee, |
2315 | DefaultDataSharingAttributes DefaultAttr) { |
2316 | return isOpenMPPrivate(C) && !AppliedToPointee && |
2317 | (DefaultAttr == DSA_firstprivate || DefaultAttr == DSA_private); |
2318 | }, |
2319 | [](OpenMPDirectiveKind) { return true; }, |
2320 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2321 | if (DVarPrivate.CKind != OMPC_unknown) |
2322 | return true; |
2323 | return false; |
2324 | } |
2325 | |
2326 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, |
2327 | Expr *CaptureExpr, bool WithInit, |
2328 | DeclContext *CurContext, |
2329 | bool AsExpression); |
2330 | |
2331 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, |
2332 | unsigned StopAt) { |
2333 | 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", 2333, __extension__ __PRETTY_FUNCTION__ )); |
2334 | D = getCanonicalDecl(D); |
2335 | |
2336 | auto *VD = dyn_cast<VarDecl>(D); |
2337 | // Do not capture constexpr variables. |
2338 | if (VD && VD->isConstexpr()) |
2339 | return nullptr; |
2340 | |
2341 | // If we want to determine whether the variable should be captured from the |
2342 | // perspective of the current capturing scope, and we've already left all the |
2343 | // capturing scopes of the top directive on the stack, check from the |
2344 | // perspective of its parent directive (if any) instead. |
2345 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( |
2346 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isBodyComplete()); |
2347 | |
2348 | // If we are attempting to capture a global variable in a directive with |
2349 | // 'target' we return true so that this global is also mapped to the device. |
2350 | // |
2351 | if (VD && !VD->hasLocalStorage() && |
2352 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { |
2353 | if (isInOpenMPTargetExecutionDirective()) { |
2354 | DSAStackTy::DSAVarData DVarTop = |
2355 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2356 | if (DVarTop.CKind != OMPC_unknown && DVarTop.RefExpr) |
2357 | return VD; |
2358 | // If the declaration is enclosed in a 'declare target' directive, |
2359 | // then it should not be captured. |
2360 | // |
2361 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) |
2362 | return nullptr; |
2363 | CapturedRegionScopeInfo *CSI = nullptr; |
2364 | for (FunctionScopeInfo *FSI : llvm::drop_begin( |
2365 | llvm::reverse(FunctionScopes), |
2366 | CheckScopeInfo ? (FunctionScopes.size() - (StopAt + 1)) : 0)) { |
2367 | if (!isa<CapturingScopeInfo>(FSI)) |
2368 | return nullptr; |
2369 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) |
2370 | if (RSI->CapRegionKind == CR_OpenMP) { |
2371 | CSI = RSI; |
2372 | break; |
2373 | } |
2374 | } |
2375 | 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", 2375, __extension__ __PRETTY_FUNCTION__ )); |
2376 | SmallVector<OpenMPDirectiveKind, 4> Regions; |
2377 | getOpenMPCaptureRegions(Regions, |
2378 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(CSI->OpenMPLevel)); |
2379 | if (Regions[CSI->OpenMPCaptureLevel] != OMPD_task) |
2380 | return VD; |
2381 | } |
2382 | if (isInOpenMPDeclareTargetContext()) { |
2383 | // Try to mark variable as declare target if it is used in capturing |
2384 | // regions. |
2385 | if (LangOpts.OpenMP <= 45 && |
2386 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) |
2387 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); |
2388 | return nullptr; |
2389 | } |
2390 | } |
2391 | |
2392 | if (CheckScopeInfo) { |
2393 | bool OpenMPFound = false; |
2394 | for (unsigned I = StopAt + 1; I > 0; --I) { |
2395 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; |
2396 | if (!isa<CapturingScopeInfo>(FSI)) |
2397 | return nullptr; |
2398 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) |
2399 | if (RSI->CapRegionKind == CR_OpenMP) { |
2400 | OpenMPFound = true; |
2401 | break; |
2402 | } |
2403 | } |
2404 | if (!OpenMPFound) |
2405 | return nullptr; |
2406 | } |
2407 | |
2408 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && |
2409 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || |
2410 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { |
2411 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); |
2412 | if (Info.first || |
2413 | (VD && VD->hasLocalStorage() && |
2414 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || |
2415 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) |
2416 | return VD ? VD : Info.second; |
2417 | DSAStackTy::DSAVarData DVarTop = |
2418 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2419 | if (DVarTop.CKind != OMPC_unknown && isOpenMPPrivate(DVarTop.CKind) && |
2420 | (!VD || VD->hasLocalStorage() || !DVarTop.AppliedToPointee)) |
2421 | return VD ? VD : cast<VarDecl>(DVarTop.PrivateCopy->getDecl()); |
2422 | // Threadprivate variables must not be captured. |
2423 | if (isOpenMPThreadPrivate(DVarTop.CKind)) |
2424 | return nullptr; |
2425 | // The variable is not private or it is the variable in the directive with |
2426 | // default(none) clause and not used in any clause. |
2427 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( |
2428 | D, |
2429 | [](OpenMPClauseKind C, bool AppliedToPointee, bool) { |
2430 | return isOpenMPPrivate(C) && !AppliedToPointee; |
2431 | }, |
2432 | [](OpenMPDirectiveKind) { return true; }, |
2433 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2434 | // Global shared must not be captured. |
2435 | if (VD && !VD->hasLocalStorage() && DVarPrivate.CKind == OMPC_unknown && |
2436 | ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_none && |
2437 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_private && |
2438 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_firstprivate) || |
2439 | DVarTop.CKind == OMPC_shared)) |
2440 | return nullptr; |
2441 | auto *FD = dyn_cast<FieldDecl>(D); |
2442 | if (DVarPrivate.CKind != OMPC_unknown && !VD && FD && |
2443 | !DVarPrivate.PrivateCopy) { |
2444 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( |
2445 | D, |
2446 | [](OpenMPClauseKind C, bool AppliedToPointee, |
2447 | DefaultDataSharingAttributes DefaultAttr) { |
2448 | return isOpenMPPrivate(C) && !AppliedToPointee && |
2449 | (DefaultAttr == DSA_firstprivate || |
2450 | DefaultAttr == DSA_private); |
2451 | }, |
2452 | [](OpenMPDirectiveKind) { return true; }, |
2453 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2454 | if (DVarPrivate.CKind == OMPC_unknown) |
2455 | return nullptr; |
2456 | |
2457 | VarDecl *VD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitFDCapExprDecl(FD); |
2458 | if (VD) |
2459 | return VD; |
2460 | if (getCurrentThisType().isNull()) |
2461 | return nullptr; |
2462 | Expr *ThisExpr = BuildCXXThisExpr(SourceLocation(), getCurrentThisType(), |
2463 | /*IsImplicit=*/true); |
2464 | const CXXScopeSpec CS = CXXScopeSpec(); |
2465 | Expr *ME = BuildMemberExpr(ThisExpr, /*IsArrow=*/true, SourceLocation(), |
2466 | NestedNameSpecifierLoc(), SourceLocation(), FD, |
2467 | DeclAccessPair::make(FD, FD->getAccess()), |
2468 | /*HadMultipleCandidates=*/false, |
2469 | DeclarationNameInfo(), FD->getType(), |
2470 | VK_LValue, OK_Ordinary); |
2471 | OMPCapturedExprDecl *CD = buildCaptureDecl( |
2472 | *this, FD->getIdentifier(), ME, DVarPrivate.CKind != OMPC_private, |
2473 | CurContext->getParent(), /*AsExpression=*/false); |
2474 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
2475 | *this, CD, CD->getType().getNonReferenceType(), SourceLocation()); |
2476 | VD = cast<VarDecl>(VDPrivateRefExpr->getDecl()); |
2477 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addImplicitDefaultFirstprivateFD(FD, VD); |
2478 | return VD; |
2479 | } |
2480 | if (DVarPrivate.CKind != OMPC_unknown || |
2481 | (VD && (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
2482 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_private || |
2483 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate))) |
2484 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); |
2485 | } |
2486 | return nullptr; |
2487 | } |
2488 | |
2489 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, |
2490 | unsigned Level) const { |
2491 | FunctionScopesIndex -= getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2492 | } |
2493 | |
2494 | void Sema::startOpenMPLoop() { |
2495 | 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", 2495, __extension__ __PRETTY_FUNCTION__ )); |
2496 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) |
2497 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); |
2498 | } |
2499 | |
2500 | void Sema::startOpenMPCXXRangeFor() { |
2501 | 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", 2501, __extension__ __PRETTY_FUNCTION__ )); |
2502 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
2503 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); |
2504 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
2505 | } |
2506 | } |
2507 | |
2508 | OpenMPClauseKind Sema::isOpenMPPrivateDecl(ValueDecl *D, unsigned Level, |
2509 | unsigned CapLevel) const { |
2510 | 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", 2510, __extension__ __PRETTY_FUNCTION__ )); |
2511 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && |
2512 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || |
2513 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { |
2514 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( |
2515 | D, |
2516 | [](OpenMPClauseKind C, bool AppliedToPointee, |
2517 | DefaultDataSharingAttributes DefaultAttr) { |
2518 | return isOpenMPPrivate(C) && !AppliedToPointee && |
2519 | DefaultAttr == DSA_private; |
2520 | }, |
2521 | [](OpenMPDirectiveKind) { return true; }, |
2522 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2523 | if (DVarPrivate.CKind == OMPC_private && isa<OMPCapturedExprDecl>(D) && |
2524 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isImplicitDefaultFirstprivateFD(cast<VarDecl>(D)) && |
2525 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) |
2526 | return OMPC_private; |
2527 | } |
2528 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTaskingDirective, Level)) { |
2529 | bool IsTriviallyCopyable = |
2530 | D->getType().getNonReferenceType().isTriviallyCopyableType(Context) && |
2531 | !D->getType() |
2532 | .getNonReferenceType() |
2533 | .getCanonicalType() |
2534 | ->getAsCXXRecordDecl(); |
2535 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level); |
2536 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
2537 | getOpenMPCaptureRegions(CaptureRegions, DKind); |
2538 | if (isOpenMPTaskingDirective(CaptureRegions[CapLevel]) && |
2539 | (IsTriviallyCopyable || |
2540 | !isOpenMPTaskLoopDirective(CaptureRegions[CapLevel]))) { |
2541 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2542 | D, |
2543 | [](OpenMPClauseKind K, bool) { return K == OMPC_firstprivate; }, |
2544 | Level, /*NotLastprivate=*/true)) |
2545 | return OMPC_firstprivate; |
2546 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); |
2547 | if (DVar.CKind != OMPC_shared && |
2548 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first && !DVar.RefExpr) { |
2549 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addImplicitTaskFirstprivate(Level, D); |
2550 | return OMPC_firstprivate; |
2551 | } |
2552 | } |
2553 | } |
2554 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
2555 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { |
2556 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); |
2557 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
2558 | return OMPC_private; |
2559 | } |
2560 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || |
2561 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && |
2562 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2563 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_private; }, |
2564 | Level) && |
2565 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) |
2566 | return OMPC_private; |
2567 | } |
2568 | if (const auto *VD = dyn_cast<VarDecl>(D)) { |
2569 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && |
2570 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && |
2571 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2572 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_copyin; }, |
2573 | Level)) |
2574 | return OMPC_private; |
2575 | } |
2576 | // User-defined allocators are private since they must be defined in the |
2577 | // context of target region. |
2578 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level) && |
2579 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D).value_or( |
2580 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == |
2581 | DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator) |
2582 | return OMPC_private; |
2583 | return (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2584 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_private; }, |
2585 | Level) || |
2586 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && |
2587 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || |
2588 | // Consider taskgroup reduction descriptor variable a private |
2589 | // to avoid possible capture in the region. |
2590 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( |
2591 | [](OpenMPDirectiveKind K) { |
2592 | return K == OMPD_taskgroup || |
2593 | ((isOpenMPParallelDirective(K) || |
2594 | isOpenMPWorksharingDirective(K)) && |
2595 | !isOpenMPSimdDirective(K)); |
2596 | }, |
2597 | Level) && |
2598 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level))) |
2599 | ? OMPC_private |
2600 | : OMPC_unknown; |
2601 | } |
2602 | |
2603 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, |
2604 | unsigned Level) { |
2605 | 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", 2605, __extension__ __PRETTY_FUNCTION__ )); |
2606 | D = getCanonicalDecl(D); |
2607 | OpenMPClauseKind OMPC = OMPC_unknown; |
2608 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { |
2609 | const unsigned NewLevel = I - 1; |
2610 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2611 | D, |
2612 | [&OMPC](const OpenMPClauseKind K, bool AppliedToPointee) { |
2613 | if (isOpenMPPrivate(K) && !AppliedToPointee) { |
2614 | OMPC = K; |
2615 | return true; |
2616 | } |
2617 | return false; |
2618 | }, |
2619 | NewLevel)) |
2620 | break; |
2621 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( |
2622 | D, NewLevel, |
2623 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
2624 | OpenMPClauseKind) { return true; })) { |
2625 | OMPC = OMPC_map; |
2626 | break; |
2627 | } |
2628 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, |
2629 | NewLevel)) { |
2630 | OMPC = OMPC_map; |
2631 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->mustBeFirstprivateAtLevel( |
2632 | NewLevel, getVariableCategoryFromDecl(LangOpts, D))) |
2633 | OMPC = OMPC_firstprivate; |
2634 | break; |
2635 | } |
2636 | } |
2637 | if (OMPC != OMPC_unknown) |
2638 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, unsigned(OMPC))); |
2639 | } |
2640 | |
2641 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, |
2642 | unsigned CaptureLevel) const { |
2643 | 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", 2643, __extension__ __PRETTY_FUNCTION__ )); |
2644 | // Return true if the current level is no longer enclosed in a target region. |
2645 | |
2646 | SmallVector<OpenMPDirectiveKind, 4> Regions; |
2647 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2648 | const auto *VD = dyn_cast<VarDecl>(D); |
2649 | return VD && !VD->hasLocalStorage() && |
2650 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, |
2651 | Level) && |
2652 | Regions[CaptureLevel] != OMPD_task; |
2653 | } |
2654 | |
2655 | bool Sema::isOpenMPGlobalCapturedDecl(ValueDecl *D, unsigned Level, |
2656 | unsigned CaptureLevel) const { |
2657 | 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", 2657, __extension__ __PRETTY_FUNCTION__ )); |
2658 | // Return true if the current level is no longer enclosed in a target region. |
2659 | |
2660 | if (const auto *VD = dyn_cast<VarDecl>(D)) { |
2661 | if (!VD->hasLocalStorage()) { |
2662 | if (isInOpenMPTargetExecutionDirective()) |
2663 | return true; |
2664 | DSAStackTy::DSAVarData TopDVar = |
2665 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
2666 | unsigned NumLevels = |
2667 | getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2668 | if (Level == 0) |
2669 | // non-file scope static variale with default(firstprivate) |
2670 | // should be gloabal captured. |
2671 | return (NumLevels == CaptureLevel + 1 && |
2672 | (TopDVar.CKind != OMPC_shared || |
2673 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate)); |
2674 | do { |
2675 | --Level; |
2676 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); |
2677 | if (DVar.CKind != OMPC_shared) |
2678 | return true; |
2679 | } while (Level > 0); |
2680 | } |
2681 | } |
2682 | return true; |
2683 | } |
2684 | |
2685 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } |
2686 | |
2687 | void Sema::ActOnOpenMPBeginDeclareVariant(SourceLocation Loc, |
2688 | OMPTraitInfo &TI) { |
2689 | OMPDeclareVariantScopes.push_back(OMPDeclareVariantScope(TI)); |
2690 | } |
2691 | |
2692 | void Sema::ActOnOpenMPEndDeclareVariant() { |
2693 | 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", 2694, __extension__ __PRETTY_FUNCTION__ )) |
2694 | "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", 2694, __extension__ __PRETTY_FUNCTION__ )); |
2695 | |
2696 | OMPDeclareVariantScopes.pop_back(); |
2697 | } |
2698 | |
2699 | void Sema::finalizeOpenMPDelayedAnalysis(const FunctionDecl *Caller, |
2700 | const FunctionDecl *Callee, |
2701 | SourceLocation Loc) { |
2702 | 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", 2702, __extension__ __PRETTY_FUNCTION__ )); |
2703 | std::optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = |
2704 | OMPDeclareTargetDeclAttr::getDeviceType(Caller->getMostRecentDecl()); |
2705 | // Ignore host functions during device analyzis. |
2706 | if (LangOpts.OpenMPIsDevice && |
2707 | (!DevTy || *DevTy == OMPDeclareTargetDeclAttr::DT_Host)) |
2708 | return; |
2709 | // Ignore nohost functions during host analyzis. |
2710 | if (!LangOpts.OpenMPIsDevice && DevTy && |
2711 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) |
2712 | return; |
2713 | const FunctionDecl *FD = Callee->getMostRecentDecl(); |
2714 | DevTy = OMPDeclareTargetDeclAttr::getDeviceType(FD); |
2715 | if (LangOpts.OpenMPIsDevice && DevTy && |
2716 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { |
2717 | // Diagnose host function called during device codegen. |
2718 | StringRef HostDevTy = |
2719 | getOpenMPSimpleClauseTypeName(OMPC_device_type, OMPC_DEVICE_TYPE_host); |
2720 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; |
2721 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), |
2722 | diag::note_omp_marked_device_type_here) |
2723 | << HostDevTy; |
2724 | return; |
2725 | } |
2726 | if (!LangOpts.OpenMPIsDevice && !LangOpts.OpenMPOffloadMandatory && DevTy && |
2727 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { |
2728 | // In OpenMP 5.2 or later, if the function has a host variant then allow |
2729 | // that to be called instead |
2730 | auto &&HasHostAttr = [](const FunctionDecl *Callee) { |
2731 | for (OMPDeclareVariantAttr *A : |
2732 | Callee->specific_attrs<OMPDeclareVariantAttr>()) { |
2733 | auto *DeclRefVariant = cast<DeclRefExpr>(A->getVariantFuncRef()); |
2734 | auto *VariantFD = cast<FunctionDecl>(DeclRefVariant->getDecl()); |
2735 | std::optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = |
2736 | OMPDeclareTargetDeclAttr::getDeviceType( |
2737 | VariantFD->getMostRecentDecl()); |
2738 | if (!DevTy || *DevTy == OMPDeclareTargetDeclAttr::DT_Host) |
2739 | return true; |
2740 | } |
2741 | return false; |
2742 | }; |
2743 | if (getLangOpts().OpenMP >= 52 && |
2744 | Callee->hasAttr<OMPDeclareVariantAttr>() && HasHostAttr(Callee)) |
2745 | return; |
2746 | // Diagnose nohost function called during host codegen. |
2747 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( |
2748 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); |
2749 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; |
2750 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), |
2751 | diag::note_omp_marked_device_type_here) |
2752 | << NoHostDevTy; |
2753 | } |
2754 | } |
2755 | |
2756 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, |
2757 | const DeclarationNameInfo &DirName, |
2758 | Scope *CurScope, SourceLocation Loc) { |
2759 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); |
2760 | PushExpressionEvaluationContext( |
2761 | ExpressionEvaluationContext::PotentiallyEvaluated); |
2762 | } |
2763 | |
2764 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { |
2765 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); |
2766 | } |
2767 | |
2768 | void Sema::EndOpenMPClause() { |
2769 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); |
2770 | CleanupVarDeclMarking(); |
2771 | } |
2772 | |
2773 | static std::pair<ValueDecl *, bool> |
2774 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, |
2775 | SourceRange &ERange, bool AllowArraySection = false, |
2776 | StringRef DiagType = ""); |
2777 | |
2778 | /// Check consistency of the reduction clauses. |
2779 | static void checkReductionClauses(Sema &S, DSAStackTy *Stack, |
2780 | ArrayRef<OMPClause *> Clauses) { |
2781 | bool InscanFound = false; |
2782 | SourceLocation InscanLoc; |
2783 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions. |
2784 | // A reduction clause without the inscan reduction-modifier may not appear on |
2785 | // a construct on which a reduction clause with the inscan reduction-modifier |
2786 | // appears. |
2787 | for (OMPClause *C : Clauses) { |
2788 | if (C->getClauseKind() != OMPC_reduction) |
2789 | continue; |
2790 | auto *RC = cast<OMPReductionClause>(C); |
2791 | if (RC->getModifier() == OMPC_REDUCTION_inscan) { |
2792 | InscanFound = true; |
2793 | InscanLoc = RC->getModifierLoc(); |
2794 | continue; |
2795 | } |
2796 | if (RC->getModifier() == OMPC_REDUCTION_task) { |
2797 | // OpenMP 5.0, 2.19.5.4 reduction Clause. |
2798 | // A reduction clause with the task reduction-modifier may only appear on |
2799 | // a parallel construct, a worksharing construct or a combined or |
2800 | // composite construct for which any of the aforementioned constructs is a |
2801 | // constituent construct and simd or loop are not constituent constructs. |
2802 | OpenMPDirectiveKind CurDir = Stack->getCurrentDirective(); |
2803 | if (!(isOpenMPParallelDirective(CurDir) || |
2804 | isOpenMPWorksharingDirective(CurDir)) || |
2805 | isOpenMPSimdDirective(CurDir)) |
2806 | S.Diag(RC->getModifierLoc(), |
2807 | diag::err_omp_reduction_task_not_parallel_or_worksharing); |
2808 | continue; |
2809 | } |
2810 | } |
2811 | if (InscanFound) { |
2812 | for (OMPClause *C : Clauses) { |
2813 | if (C->getClauseKind() != OMPC_reduction) |
2814 | continue; |
2815 | auto *RC = cast<OMPReductionClause>(C); |
2816 | if (RC->getModifier() != OMPC_REDUCTION_inscan) { |
2817 | S.Diag(RC->getModifier() == OMPC_REDUCTION_unknown |
2818 | ? RC->getBeginLoc() |
2819 | : RC->getModifierLoc(), |
2820 | diag::err_omp_inscan_reduction_expected); |
2821 | S.Diag(InscanLoc, diag::note_omp_previous_inscan_reduction); |
2822 | continue; |
2823 | } |
2824 | for (Expr *Ref : RC->varlists()) { |
2825 | 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", 2825, __extension__ __PRETTY_FUNCTION__ )); |
2826 | SourceLocation ELoc; |
2827 | SourceRange ERange; |
2828 | Expr *SimpleRefExpr = Ref; |
2829 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
2830 | /*AllowArraySection=*/true); |
2831 | ValueDecl *D = Res.first; |
2832 | if (!D) |
2833 | continue; |
2834 | if (!Stack->isUsedInScanDirective(getCanonicalDecl(D))) { |
2835 | S.Diag(Ref->getExprLoc(), |
2836 | diag::err_omp_reduction_not_inclusive_exclusive) |
2837 | << Ref->getSourceRange(); |
2838 | } |
2839 | } |
2840 | } |
2841 | } |
2842 | } |
2843 | |
2844 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, |
2845 | ArrayRef<OMPClause *> Clauses); |
2846 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, |
2847 | bool WithInit); |
2848 | |
2849 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, |
2850 | const ValueDecl *D, |
2851 | const DSAStackTy::DSAVarData &DVar, |
2852 | bool IsLoopIterVar = false); |
2853 | |
2854 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { |
2855 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] |
2856 | // A variable of class type (or array thereof) that appears in a lastprivate |
2857 | // clause requires an accessible, unambiguous default constructor for the |
2858 | // class type, unless the list item is also specified in a firstprivate |
2859 | // clause. |
2860 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { |
2861 | for (OMPClause *C : D->clauses()) { |
2862 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { |
2863 | SmallVector<Expr *, 8> PrivateCopies; |
2864 | for (Expr *DE : Clause->varlists()) { |
2865 | if (DE->isValueDependent() || DE->isTypeDependent()) { |
2866 | PrivateCopies.push_back(nullptr); |
2867 | continue; |
2868 | } |
2869 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); |
2870 | auto *VD = cast<VarDecl>(DRE->getDecl()); |
2871 | QualType Type = VD->getType().getNonReferenceType(); |
2872 | const DSAStackTy::DSAVarData DVar = |
2873 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
2874 | if (DVar.CKind == OMPC_lastprivate) { |
2875 | // Generate helper private variable and initialize it with the |
2876 | // default value. The address of the original variable is replaced |
2877 | // by the address of the new private variable in CodeGen. This new |
2878 | // variable is not added to IdResolver, so the code in the OpenMP |
2879 | // region uses original variable for proper diagnostics. |
2880 | VarDecl *VDPrivate = buildVarDecl( |
2881 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), |
2882 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); |
2883 | ActOnUninitializedDecl(VDPrivate); |
2884 | if (VDPrivate->isInvalidDecl()) { |
2885 | PrivateCopies.push_back(nullptr); |
2886 | continue; |
2887 | } |
2888 | PrivateCopies.push_back(buildDeclRefExpr( |
2889 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); |
2890 | } else { |
2891 | // The variable is also a firstprivate, so initialization sequence |
2892 | // for private copy is generated already. |
2893 | PrivateCopies.push_back(nullptr); |
2894 | } |
2895 | } |
2896 | Clause->setPrivateCopies(PrivateCopies); |
2897 | continue; |
2898 | } |
2899 | // Finalize nontemporal clause by handling private copies, if any. |
2900 | if (auto *Clause = dyn_cast<OMPNontemporalClause>(C)) { |
2901 | SmallVector<Expr *, 8> PrivateRefs; |
2902 | for (Expr *RefExpr : Clause->varlists()) { |
2903 | 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", 2903, __extension__ __PRETTY_FUNCTION__ )); |
2904 | SourceLocation ELoc; |
2905 | SourceRange ERange; |
2906 | Expr *SimpleRefExpr = RefExpr; |
2907 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
2908 | if (Res.second) |
2909 | // It will be analyzed later. |
2910 | PrivateRefs.push_back(RefExpr); |
2911 | ValueDecl *D = Res.first; |
2912 | if (!D) |
2913 | continue; |
2914 | |
2915 | const DSAStackTy::DSAVarData DVar = |
2916 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
2917 | PrivateRefs.push_back(DVar.PrivateCopy ? DVar.PrivateCopy |
2918 | : SimpleRefExpr); |
2919 | } |
2920 | Clause->setPrivateRefs(PrivateRefs); |
2921 | continue; |
2922 | } |
2923 | if (auto *Clause = dyn_cast<OMPUsesAllocatorsClause>(C)) { |
2924 | for (unsigned I = 0, E = Clause->getNumberOfAllocators(); I < E; ++I) { |
2925 | OMPUsesAllocatorsClause::Data D = Clause->getAllocatorData(I); |
2926 | auto *DRE = dyn_cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()); |
2927 | if (!DRE) |
2928 | continue; |
2929 | ValueDecl *VD = DRE->getDecl(); |
2930 | if (!VD || !isa<VarDecl>(VD)) |
2931 | continue; |
2932 | DSAStackTy::DSAVarData DVar = |
2933 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
2934 | // OpenMP [2.12.5, target Construct] |
2935 | // Memory allocators that appear in a uses_allocators clause cannot |
2936 | // appear in other data-sharing attribute clauses or data-mapping |
2937 | // attribute clauses in the same construct. |
2938 | Expr *MapExpr = nullptr; |
2939 | if (DVar.RefExpr || |
2940 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
2941 | VD, /*CurrentRegionOnly=*/true, |
2942 | [VD, &MapExpr]( |
2943 | OMPClauseMappableExprCommon::MappableExprComponentListRef |
2944 | MapExprComponents, |
2945 | OpenMPClauseKind C) { |
2946 | auto MI = MapExprComponents.rbegin(); |
2947 | auto ME = MapExprComponents.rend(); |
2948 | if (MI != ME && |
2949 | MI->getAssociatedDeclaration()->getCanonicalDecl() == |
2950 | VD->getCanonicalDecl()) { |
2951 | MapExpr = MI->getAssociatedExpression(); |
2952 | return true; |
2953 | } |
2954 | return false; |
2955 | })) { |
2956 | Diag(D.Allocator->getExprLoc(), |
2957 | diag::err_omp_allocator_used_in_clauses) |
2958 | << D.Allocator->getSourceRange(); |
2959 | if (DVar.RefExpr) |
2960 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); |
2961 | else |
2962 | Diag(MapExpr->getExprLoc(), diag::note_used_here) |
2963 | << MapExpr->getSourceRange(); |
2964 | } |
2965 | } |
2966 | continue; |
2967 | } |
2968 | } |
2969 | // Check allocate clauses. |
2970 | if (!CurContext->isDependentContext()) |
2971 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); |
2972 | checkReductionClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); |
2973 | } |
2974 | |
2975 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); |
2976 | DiscardCleanupsInEvaluationContext(); |
2977 | PopExpressionEvaluationContext(); |
2978 | } |
2979 | |
2980 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, |
2981 | Expr *NumIterations, Sema &SemaRef, |
2982 | Scope *S, DSAStackTy *Stack); |
2983 | |
2984 | namespace { |
2985 | |
2986 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { |
2987 | private: |
2988 | Sema &SemaRef; |
2989 | |
2990 | public: |
2991 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} |
2992 | bool ValidateCandidate(const TypoCorrection &Candidate) override { |
2993 | NamedDecl *ND = Candidate.getCorrectionDecl(); |
2994 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { |
2995 | return VD->hasGlobalStorage() && |
2996 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), |
2997 | SemaRef.getCurScope()); |
2998 | } |
2999 | return false; |
3000 | } |
3001 | |
3002 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
3003 | return std::make_unique<VarDeclFilterCCC>(*this); |
3004 | } |
3005 | }; |
3006 | |
3007 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { |
3008 | private: |
3009 | Sema &SemaRef; |
3010 | |
3011 | public: |
3012 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} |
3013 | bool ValidateCandidate(const TypoCorrection &Candidate) override { |
3014 | NamedDecl *ND = Candidate.getCorrectionDecl(); |
3015 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || |
3016 | isa<FunctionDecl>(ND))) { |
3017 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), |
3018 | SemaRef.getCurScope()); |
3019 | } |
3020 | return false; |
3021 | } |
3022 | |
3023 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
3024 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); |
3025 | } |
3026 | }; |
3027 | |
3028 | } // namespace |
3029 | |
3030 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, |
3031 | CXXScopeSpec &ScopeSpec, |
3032 | const DeclarationNameInfo &Id, |
3033 | OpenMPDirectiveKind Kind) { |
3034 | LookupResult Lookup(*this, Id, LookupOrdinaryName); |
3035 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); |
3036 | |
3037 | if (Lookup.isAmbiguous()) |
3038 | return ExprError(); |
3039 | |
3040 | VarDecl *VD; |
3041 | if (!Lookup.isSingleResult()) { |
3042 | VarDeclFilterCCC CCC(*this); |
3043 | if (TypoCorrection Corrected = |
3044 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, |
3045 | CTK_ErrorRecovery)) { |
3046 | diagnoseTypo(Corrected, |
3047 | PDiag(Lookup.empty() |
3048 | ? diag::err_undeclared_var_use_suggest |
3049 | : diag::err_omp_expected_var_arg_suggest) |
3050 | << Id.getName()); |
3051 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); |
3052 | } else { |
3053 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use |
3054 | : diag::err_omp_expected_var_arg) |
3055 | << Id.getName(); |
3056 | return ExprError(); |
3057 | } |
3058 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { |
3059 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); |
3060 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); |
3061 | return ExprError(); |
3062 | } |
3063 | Lookup.suppressDiagnostics(); |
3064 | |
3065 | // OpenMP [2.9.2, Syntax, C/C++] |
3066 | // Variables must be file-scope, namespace-scope, or static block-scope. |
3067 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { |
3068 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) |
3069 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); |
3070 | bool IsDecl = |
3071 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3072 | Diag(VD->getLocation(), |
3073 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3074 | << VD; |
3075 | return ExprError(); |
3076 | } |
3077 | |
3078 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); |
3079 | NamedDecl *ND = CanonicalVD; |
3080 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] |
3081 | // A threadprivate directive for file-scope variables must appear outside |
3082 | // any definition or declaration. |
3083 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && |
3084 | !getCurLexicalContext()->isTranslationUnit()) { |
3085 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
3086 | << getOpenMPDirectiveName(Kind) << VD; |
3087 | bool IsDecl = |
3088 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3089 | Diag(VD->getLocation(), |
3090 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3091 | << VD; |
3092 | return ExprError(); |
3093 | } |
3094 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] |
3095 | // A threadprivate directive for static class member variables must appear |
3096 | // in the class definition, in the same scope in which the member |
3097 | // variables are declared. |
3098 | if (CanonicalVD->isStaticDataMember() && |
3099 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { |
3100 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
3101 | << getOpenMPDirectiveName(Kind) << VD; |
3102 | bool IsDecl = |
3103 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3104 | Diag(VD->getLocation(), |
3105 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3106 | << VD; |
3107 | return ExprError(); |
3108 | } |
3109 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] |
3110 | // A threadprivate directive for namespace-scope variables must appear |
3111 | // outside any definition or declaration other than the namespace |
3112 | // definition itself. |
3113 | if (CanonicalVD->getDeclContext()->isNamespace() && |
3114 | (!getCurLexicalContext()->isFileContext() || |
3115 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { |
3116 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
3117 | << getOpenMPDirectiveName(Kind) << VD; |
3118 | bool IsDecl = |
3119 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3120 | Diag(VD->getLocation(), |
3121 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3122 | << VD; |
3123 | return ExprError(); |
3124 | } |
3125 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] |
3126 | // A threadprivate directive for static block-scope variables must appear |
3127 | // in the scope of the variable and not in a nested scope. |
3128 | if (CanonicalVD->isLocalVarDecl() && CurScope && |
3129 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { |
3130 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
3131 | << getOpenMPDirectiveName(Kind) << VD; |
3132 | bool IsDecl = |
3133 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3134 | Diag(VD->getLocation(), |
3135 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3136 | << VD; |
3137 | return ExprError(); |
3138 | } |
3139 | |
3140 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] |
3141 | // A threadprivate directive must lexically precede all references to any |
3142 | // of the variables in its list. |
3143 | if (Kind == OMPD_threadprivate && VD->isUsed() && |
3144 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
3145 | Diag(Id.getLoc(), diag::err_omp_var_used) |
3146 | << getOpenMPDirectiveName(Kind) << VD; |
3147 | return ExprError(); |
3148 | } |
3149 | |
3150 | QualType ExprType = VD->getType().getNonReferenceType(); |
3151 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), |
3152 | SourceLocation(), VD, |
3153 | /*RefersToEnclosingVariableOrCapture=*/false, |
3154 | Id.getLoc(), ExprType, VK_LValue); |
3155 | } |
3156 | |
3157 | Sema::DeclGroupPtrTy |
3158 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, |
3159 | ArrayRef<Expr *> VarList) { |
3160 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { |
3161 | CurContext->addDecl(D); |
3162 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
3163 | } |
3164 | return nullptr; |
3165 | } |
3166 | |
3167 | namespace { |
3168 | class LocalVarRefChecker final |
3169 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { |
3170 | Sema &SemaRef; |
3171 | |
3172 | public: |
3173 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
3174 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
3175 | if (VD->hasLocalStorage()) { |
3176 | SemaRef.Diag(E->getBeginLoc(), |
3177 | diag::err_omp_local_var_in_threadprivate_init) |
3178 | << E->getSourceRange(); |
3179 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) |
3180 | << VD << VD->getSourceRange(); |
3181 | return true; |
3182 | } |
3183 | } |
3184 | return false; |
3185 | } |
3186 | bool VisitStmt(const Stmt *S) { |
3187 | for (const Stmt *Child : S->children()) { |
3188 | if (Child && Visit(Child)) |
3189 | return true; |
3190 | } |
3191 | return false; |
3192 | } |
3193 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} |
3194 | }; |
3195 | } // namespace |
3196 | |
3197 | OMPThreadPrivateDecl * |
3198 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { |
3199 | SmallVector<Expr *, 8> Vars; |
3200 | for (Expr *RefExpr : VarList) { |
3201 | auto *DE = cast<DeclRefExpr>(RefExpr); |
3202 | auto *VD = cast<VarDecl>(DE->getDecl()); |
3203 | SourceLocation ILoc = DE->getExprLoc(); |
3204 | |
3205 | // Mark variable as used. |
3206 | VD->setReferenced(); |
3207 | VD->markUsed(Context); |
3208 | |
3209 | QualType QType = VD->getType(); |
3210 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { |
3211 | // It will be analyzed later. |
3212 | Vars.push_back(DE); |
3213 | continue; |
3214 | } |
3215 | |
3216 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] |
3217 | // A threadprivate variable must not have an incomplete type. |
3218 | if (RequireCompleteType(ILoc, VD->getType(), |
3219 | diag::err_omp_threadprivate_incomplete_type)) { |
3220 | continue; |
3221 | } |
3222 | |
3223 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] |
3224 | // A threadprivate variable must not have a reference type. |
3225 | if (VD->getType()->isReferenceType()) { |
3226 | Diag(ILoc, diag::err_omp_ref_type_arg) |
3227 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); |
3228 | bool IsDecl = |
3229 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3230 | Diag(VD->getLocation(), |
3231 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3232 | << VD; |
3233 | continue; |
3234 | } |
3235 | |
3236 | // Check if this is a TLS variable. If TLS is not being supported, produce |
3237 | // the corresponding diagnostic. |
3238 | if ((VD->getTLSKind() != VarDecl::TLS_None && |
3239 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && |
3240 | getLangOpts().OpenMPUseTLS && |
3241 | getASTContext().getTargetInfo().isTLSSupported())) || |
3242 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && |
3243 | !VD->isLocalVarDecl())) { |
3244 | Diag(ILoc, diag::err_omp_var_thread_local) |
3245 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); |
3246 | bool IsDecl = |
3247 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3248 | Diag(VD->getLocation(), |
3249 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3250 | << VD; |
3251 | continue; |
3252 | } |
3253 | |
3254 | // Check if initial value of threadprivate variable reference variable with |
3255 | // local storage (it is not supported by runtime). |
3256 | if (const Expr *Init = VD->getAnyInitializer()) { |
3257 | LocalVarRefChecker Checker(*this); |
3258 | if (Checker.Visit(Init)) |
3259 | continue; |
3260 | } |
3261 | |
3262 | Vars.push_back(RefExpr); |
3263 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); |
3264 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( |
3265 | Context, SourceRange(Loc, Loc))); |
3266 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
3267 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); |
3268 | } |
3269 | OMPThreadPrivateDecl *D = nullptr; |
3270 | if (!Vars.empty()) { |
3271 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, |
3272 | Vars); |
3273 | D->setAccess(AS_public); |
3274 | } |
3275 | return D; |
3276 | } |
3277 | |
3278 | static OMPAllocateDeclAttr::AllocatorTypeTy |
3279 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { |
3280 | if (!Allocator) |
3281 | return OMPAllocateDeclAttr::OMPNullMemAlloc; |
3282 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || |
3283 | Allocator->isInstantiationDependent() || |
3284 | Allocator->containsUnexpandedParameterPack()) |
3285 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; |
3286 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; |
3287 | llvm::FoldingSetNodeID AEId; |
3288 | const Expr *AE = Allocator->IgnoreParenImpCasts(); |
3289 | AE->IgnoreImpCasts()->Profile(AEId, S.getASTContext(), /*Canonical=*/true); |
3290 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
3291 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
3292 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); |
3293 | llvm::FoldingSetNodeID DAEId; |
3294 | DefAllocator->IgnoreImpCasts()->Profile(DAEId, S.getASTContext(), |
3295 | /*Canonical=*/true); |
3296 | if (AEId == DAEId) { |
3297 | AllocatorKindRes = AllocatorKind; |
3298 | break; |
3299 | } |
3300 | } |
3301 | return AllocatorKindRes; |
3302 | } |
3303 | |
3304 | static bool checkPreviousOMPAllocateAttribute( |
3305 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, |
3306 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { |
3307 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) |
3308 | return false; |
3309 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); |
3310 | Expr *PrevAllocator = A->getAllocator(); |
3311 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = |
3312 | getAllocatorKind(S, Stack, PrevAllocator); |
3313 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; |
3314 | if (AllocatorsMatch && |
3315 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && |
3316 | Allocator && PrevAllocator) { |
3317 | const Expr *AE = Allocator->IgnoreParenImpCasts(); |
3318 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); |
3319 | llvm::FoldingSetNodeID AEId, PAEId; |
3320 | AE->Profile(AEId, S.Context, /*Canonical=*/true); |
3321 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); |
3322 | AllocatorsMatch = AEId == PAEId; |
3323 | } |
3324 | if (!AllocatorsMatch) { |
3325 | SmallString<256> AllocatorBuffer; |
3326 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); |
3327 | if (Allocator) |
3328 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); |
3329 | SmallString<256> PrevAllocatorBuffer; |
3330 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); |
3331 | if (PrevAllocator) |
3332 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, |
3333 | S.getPrintingPolicy()); |
3334 | |
3335 | SourceLocation AllocatorLoc = |
3336 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); |
3337 | SourceRange AllocatorRange = |
3338 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); |
3339 | SourceLocation PrevAllocatorLoc = |
3340 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); |
3341 | SourceRange PrevAllocatorRange = |
3342 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); |
3343 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) |
3344 | << (Allocator ? 1 : 0) << AllocatorStream.str() |
3345 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() |
3346 | << AllocatorRange; |
3347 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) |
3348 | << PrevAllocatorRange; |
3349 | return true; |
3350 | } |
3351 | return false; |
3352 | } |
3353 | |
3354 | static void |
3355 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, |
3356 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, |
3357 | Expr *Allocator, Expr *Alignment, SourceRange SR) { |
3358 | if (VD->hasAttr<OMPAllocateDeclAttr>()) |
3359 | return; |
3360 | if (Alignment && |
3361 | (Alignment->isTypeDependent() || Alignment->isValueDependent() || |
3362 | Alignment->isInstantiationDependent() || |
3363 | Alignment->containsUnexpandedParameterPack())) |
3364 | // Apply later when we have a usable value. |
3365 | return; |
3366 | if (Allocator && |
3367 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || |
3368 | Allocator->isInstantiationDependent() || |
3369 | Allocator->containsUnexpandedParameterPack())) |
3370 | return; |
3371 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, |
3372 | Allocator, Alignment, SR); |
3373 | VD->addAttr(A); |
3374 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) |
3375 | ML->DeclarationMarkedOpenMPAllocate(VD, A); |
3376 | } |
3377 | |
3378 | Sema::DeclGroupPtrTy |
3379 | Sema::ActOnOpenMPAllocateDirective(SourceLocation Loc, ArrayRef<Expr *> VarList, |
3380 | ArrayRef<OMPClause *> Clauses, |
3381 | DeclContext *Owner) { |
3382 | 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", 3382, __extension__ __PRETTY_FUNCTION__ )); |
3383 | Expr *Alignment = nullptr; |
3384 | Expr *Allocator = nullptr; |
3385 | if (Clauses.empty()) { |
3386 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. |
3387 | // allocate directives that appear in a target region must specify an |
3388 | // allocator clause unless a requires directive with the dynamic_allocators |
3389 | // clause is present in the same compilation unit. |
3390 | if (LangOpts.OpenMPIsDevice && |
3391 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) |
3392 | targetDiag(Loc, diag::err_expected_allocator_clause); |
3393 | } else { |
3394 | for (const OMPClause *C : Clauses) |
3395 | if (const auto *AC = dyn_cast<OMPAllocatorClause>(C)) |
3396 | Allocator = AC->getAllocator(); |
3397 | else if (const auto *AC = dyn_cast<OMPAlignClause>(C)) |
3398 | Alignment = AC->getAlignment(); |
3399 | else |
3400 | llvm_unreachable("Unexpected clause on allocate directive")::llvm::llvm_unreachable_internal("Unexpected clause on allocate directive" , "clang/lib/Sema/SemaOpenMP.cpp", 3400); |
3401 | } |
3402 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = |
3403 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); |
3404 | SmallVector<Expr *, 8> Vars; |
3405 | for (Expr *RefExpr : VarList) { |
3406 | auto *DE = cast<DeclRefExpr>(RefExpr); |
3407 | auto *VD = cast<VarDecl>(DE->getDecl()); |
3408 | |
3409 | // Check if this is a TLS variable or global register. |
3410 | if (VD->getTLSKind() != VarDecl::TLS_None || |
3411 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || |
3412 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && |
3413 | !VD->isLocalVarDecl())) |
3414 | continue; |
3415 | |
3416 | // If the used several times in the allocate directive, the same allocator |
3417 | // must be used. |
3418 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, |
3419 | AllocatorKind, Allocator)) |
3420 | continue; |
3421 | |
3422 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ |
3423 | // If a list item has a static storage type, the allocator expression in the |
3424 | // allocator clause must be a constant expression that evaluates to one of |
3425 | // the predefined memory allocator values. |
3426 | if (Allocator && VD->hasGlobalStorage()) { |
3427 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { |
3428 | Diag(Allocator->getExprLoc(), |
3429 | diag::err_omp_expected_predefined_allocator) |
3430 | << Allocator->getSourceRange(); |
3431 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == |
3432 | VarDecl::DeclarationOnly; |
3433 | Diag(VD->getLocation(), |
3434 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3435 | << VD; |
3436 | continue; |
3437 | } |
3438 | } |
3439 | |
3440 | Vars.push_back(RefExpr); |
3441 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, Alignment, |
3442 | DE->getSourceRange()); |
3443 | } |
3444 | if (Vars.empty()) |
3445 | return nullptr; |
3446 | if (!Owner) |
3447 | Owner = getCurLexicalContext(); |
3448 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); |
3449 | D->setAccess(AS_public); |
3450 | Owner->addDecl(D); |
3451 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
3452 | } |
3453 | |
3454 | Sema::DeclGroupPtrTy |
3455 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, |
3456 | ArrayRef<OMPClause *> ClauseList) { |
3457 | OMPRequiresDecl *D = nullptr; |
3458 | if (!CurContext->isFileContext()) { |
3459 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; |
3460 | } else { |
3461 | D = CheckOMPRequiresDecl(Loc, ClauseList); |
3462 | if (D) { |
3463 | CurContext->addDecl(D); |
3464 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); |
3465 | } |
3466 | } |
3467 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
3468 | } |
3469 | |
3470 | void Sema::ActOnOpenMPAssumesDirective(SourceLocation Loc, |
3471 | OpenMPDirectiveKind DKind, |
3472 | ArrayRef<std::string> Assumptions, |
3473 | bool SkippedClauses) { |
3474 | if (!SkippedClauses && Assumptions.empty()) |
3475 | Diag(Loc, diag::err_omp_no_clause_for_directive) |
3476 | << llvm::omp::getAllAssumeClauseOptions() |
3477 | << llvm::omp::getOpenMPDirectiveName(DKind); |
3478 | |
3479 | auto *AA = AssumptionAttr::Create(Context, llvm::join(Assumptions, ","), Loc); |
3480 | if (DKind == llvm::omp::Directive::OMPD_begin_assumes) { |
3481 | OMPAssumeScoped.push_back(AA); |
3482 | return; |
3483 | } |
3484 | |
3485 | // Global assumes without assumption clauses are ignored. |
3486 | if (Assumptions.empty()) |
3487 | return; |
3488 | |
3489 | 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", 3490, __extension__ __PRETTY_FUNCTION__ )) |
3490 | "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", 3490, __extension__ __PRETTY_FUNCTION__ )); |
3491 | OMPAssumeGlobal.push_back(AA); |
3492 | |
3493 | // The OMPAssumeGlobal scope above will take care of new declarations but |
3494 | // we also want to apply the assumption to existing ones, e.g., to |
3495 | // declarations in included headers. To this end, we traverse all existing |
3496 | // declaration contexts and annotate function declarations here. |
3497 | SmallVector<DeclContext *, 8> DeclContexts; |
3498 | auto *Ctx = CurContext; |
3499 | while (Ctx->getLexicalParent()) |
3500 | Ctx = Ctx->getLexicalParent(); |
3501 | DeclContexts.push_back(Ctx); |
3502 | while (!DeclContexts.empty()) { |
3503 | DeclContext *DC = DeclContexts.pop_back_val(); |
3504 | for (auto *SubDC : DC->decls()) { |
3505 | if (SubDC->isInvalidDecl()) |
3506 | continue; |
3507 | if (auto *CTD = dyn_cast<ClassTemplateDecl>(SubDC)) { |
3508 | DeclContexts.push_back(CTD->getTemplatedDecl()); |
3509 | llvm::append_range(DeclContexts, CTD->specializations()); |
3510 | continue; |
3511 | } |
3512 | if (auto *DC = dyn_cast<DeclContext>(SubDC)) |
3513 | DeclContexts.push_back(DC); |
3514 | if (auto *F = dyn_cast<FunctionDecl>(SubDC)) { |
3515 | F->addAttr(AA); |
3516 | continue; |
3517 | } |
3518 | } |
3519 | } |
3520 | } |
3521 | |
3522 | void Sema::ActOnOpenMPEndAssumesDirective() { |
3523 | 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", 3523, __extension__ __PRETTY_FUNCTION__ )); |
3524 | OMPAssumeScoped.pop_back(); |
3525 | } |
3526 | |
3527 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, |
3528 | ArrayRef<OMPClause *> ClauseList) { |
3529 | /// For target specific clauses, the requires directive cannot be |
3530 | /// specified after the handling of any of the target regions in the |
3531 | /// current compilation unit. |
3532 | ArrayRef<SourceLocation> TargetLocations = |
3533 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); |
3534 | SourceLocation AtomicLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAtomicDirectiveLoc(); |
3535 | if (!TargetLocations.empty() || !AtomicLoc.isInvalid()) { |
3536 | for (const OMPClause *CNew : ClauseList) { |
3537 | // Check if any of the requires clauses affect target regions. |
3538 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || |
3539 | isa<OMPUnifiedAddressClause>(CNew) || |
3540 | isa<OMPReverseOffloadClause>(CNew) || |
3541 | isa<OMPDynamicAllocatorsClause>(CNew)) { |
3542 | Diag(Loc, diag::err_omp_directive_before_requires) |
3543 | << "target" << getOpenMPClauseName(CNew->getClauseKind()); |
3544 | for (SourceLocation TargetLoc : TargetLocations) { |
3545 | Diag(TargetLoc, diag::note_omp_requires_encountered_directive) |
3546 | << "target"; |
3547 | } |
3548 | } else if (!AtomicLoc.isInvalid() && |
3549 | isa<OMPAtomicDefaultMemOrderClause>(CNew)) { |
3550 | Diag(Loc, diag::err_omp_directive_before_requires) |
3551 | << "atomic" << getOpenMPClauseName(CNew->getClauseKind()); |
3552 | Diag(AtomicLoc, diag::note_omp_requires_encountered_directive) |
3553 | << "atomic"; |
3554 | } |
3555 | } |
3556 | } |
3557 | |
3558 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) |
3559 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, |
3560 | ClauseList); |
3561 | return nullptr; |
3562 | } |
3563 | |
3564 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, |
3565 | const ValueDecl *D, |
3566 | const DSAStackTy::DSAVarData &DVar, |
3567 | bool IsLoopIterVar) { |
3568 | if (DVar.RefExpr) { |
3569 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) |
3570 | << getOpenMPClauseName(DVar.CKind); |
3571 | return; |
3572 | } |
3573 | enum { |
3574 | PDSA_StaticMemberShared, |
3575 | PDSA_StaticLocalVarShared, |
3576 | PDSA_LoopIterVarPrivate, |
3577 | PDSA_LoopIterVarLinear, |
3578 | PDSA_LoopIterVarLastprivate, |
3579 | PDSA_ConstVarShared, |
3580 | PDSA_GlobalVarShared, |
3581 | PDSA_TaskVarFirstprivate, |
3582 | PDSA_LocalVarPrivate, |
3583 | PDSA_Implicit |
3584 | } Reason = PDSA_Implicit; |
3585 | bool ReportHint = false; |
3586 | auto ReportLoc = D->getLocation(); |
3587 | auto *VD = dyn_cast<VarDecl>(D); |
3588 | if (IsLoopIterVar) { |
3589 | if (DVar.CKind == OMPC_private) |
3590 | Reason = PDSA_LoopIterVarPrivate; |
3591 | else if (DVar.CKind == OMPC_lastprivate) |
3592 | Reason = PDSA_LoopIterVarLastprivate; |
3593 | else |
3594 | Reason = PDSA_LoopIterVarLinear; |
3595 | } else if (isOpenMPTaskingDirective(DVar.DKind) && |
3596 | DVar.CKind == OMPC_firstprivate) { |
3597 | Reason = PDSA_TaskVarFirstprivate; |
3598 | ReportLoc = DVar.ImplicitDSALoc; |
3599 | } else if (VD && VD->isStaticLocal()) |
3600 | Reason = PDSA_StaticLocalVarShared; |
3601 | else if (VD && VD->isStaticDataMember()) |
3602 | Reason = PDSA_StaticMemberShared; |
3603 | else if (VD && VD->isFileVarDecl()) |
3604 | Reason = PDSA_GlobalVarShared; |
3605 | else if (D->getType().isConstant(SemaRef.getASTContext())) |
3606 | Reason = PDSA_ConstVarShared; |
3607 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { |
3608 | ReportHint = true; |
3609 | Reason = PDSA_LocalVarPrivate; |
3610 | } |
3611 | if (Reason != PDSA_Implicit) { |
3612 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) |
3613 | << Reason << ReportHint |
3614 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); |
3615 | } else if (DVar.ImplicitDSALoc.isValid()) { |
3616 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) |
3617 | << getOpenMPClauseName(DVar.CKind); |
3618 | } |
3619 | } |
3620 | |
3621 | static OpenMPMapClauseKind |
3622 | getMapClauseKindFromModifier(OpenMPDefaultmapClauseModifier M, |
3623 | bool IsAggregateOrDeclareTarget) { |
3624 | OpenMPMapClauseKind Kind = OMPC_MAP_unknown; |
3625 | switch (M) { |
3626 | case OMPC_DEFAULTMAP_MODIFIER_alloc: |
3627 | Kind = OMPC_MAP_alloc; |
3628 | break; |
3629 | case OMPC_DEFAULTMAP_MODIFIER_to: |
3630 | Kind = OMPC_MAP_to; |
3631 | break; |
3632 | case OMPC_DEFAULTMAP_MODIFIER_from: |
3633 | Kind = OMPC_MAP_from; |
3634 | break; |
3635 | case OMPC_DEFAULTMAP_MODIFIER_tofrom: |
3636 | Kind = OMPC_MAP_tofrom; |
3637 | break; |
3638 | case OMPC_DEFAULTMAP_MODIFIER_present: |
3639 | // OpenMP 5.1 [2.21.7.3] defaultmap clause, Description] |
3640 | // If implicit-behavior is present, each variable referenced in the |
3641 | // construct in the category specified by variable-category is treated as if |
3642 | // it had been listed in a map clause with the map-type of alloc and |
3643 | // map-type-modifier of present. |
3644 | Kind = OMPC_MAP_alloc; |
3645 | break; |
3646 | case OMPC_DEFAULTMAP_MODIFIER_firstprivate: |
3647 | case OMPC_DEFAULTMAP_MODIFIER_last: |
3648 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "clang/lib/Sema/SemaOpenMP.cpp", 3648); |
3649 | case OMPC_DEFAULTMAP_MODIFIER_none: |
3650 | case OMPC_DEFAULTMAP_MODIFIER_default: |
3651 | case OMPC_DEFAULTMAP_MODIFIER_unknown: |
3652 | // IsAggregateOrDeclareTarget could be true if: |
3653 | // 1. the implicit behavior for aggregate is tofrom |
3654 | // 2. it's a declare target link |
3655 | if (IsAggregateOrDeclareTarget) { |
3656 | Kind = OMPC_MAP_tofrom; |
3657 | break; |
3658 | } |
3659 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "clang/lib/Sema/SemaOpenMP.cpp", 3659); |
3660 | } |
3661 | 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", 3661, __extension__ __PRETTY_FUNCTION__ )); |
3662 | return Kind; |
3663 | } |
3664 | |
3665 | namespace { |
3666 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { |
3667 | DSAStackTy *Stack; |
3668 | Sema &SemaRef; |
3669 | bool ErrorFound = false; |
3670 | bool TryCaptureCXXThisMembers = false; |
3671 | CapturedStmt *CS = nullptr; |
3672 | const static unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; |
3673 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; |
3674 | llvm::SmallVector<Expr *, 4> ImplicitPrivate; |
3675 | llvm::SmallVector<Expr *, 4> ImplicitMap[DefaultmapKindNum][OMPC_MAP_delete]; |
3676 | llvm::SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> |
3677 | ImplicitMapModifier[DefaultmapKindNum]; |
3678 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; |
3679 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; |
3680 | |
3681 | void VisitSubCaptures(OMPExecutableDirective *S) { |
3682 | // Check implicitly captured variables. |
3683 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) |
3684 | return; |
3685 | if (S->getDirectiveKind() == OMPD_atomic || |
3686 | S->getDirectiveKind() == OMPD_critical || |
3687 | S->getDirectiveKind() == OMPD_section || |
3688 | S->getDirectiveKind() == OMPD_master || |
3689 | S->getDirectiveKind() == OMPD_masked || |
3690 | isOpenMPLoopTransformationDirective(S->getDirectiveKind())) { |
3691 | Visit(S->getAssociatedStmt()); |
3692 | return; |
3693 | } |
3694 | visitSubCaptures(S->getInnermostCapturedStmt()); |
3695 | // Try to capture inner this->member references to generate correct mappings |
3696 | // and diagnostics. |
3697 | if (TryCaptureCXXThisMembers || |
3698 | (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
3699 | llvm::any_of(S->getInnermostCapturedStmt()->captures(), |
3700 | [](const CapturedStmt::Capture &C) { |
3701 | return C.capturesThis(); |
3702 | }))) { |
3703 | bool SavedTryCaptureCXXThisMembers = TryCaptureCXXThisMembers; |
3704 | TryCaptureCXXThisMembers = true; |
3705 | Visit(S->getInnermostCapturedStmt()->getCapturedStmt()); |
3706 | TryCaptureCXXThisMembers = SavedTryCaptureCXXThisMembers; |
3707 | } |
3708 | // In tasks firstprivates are not captured anymore, need to analyze them |
3709 | // explicitly. |
3710 | if (isOpenMPTaskingDirective(S->getDirectiveKind()) && |
3711 | !isOpenMPTaskLoopDirective(S->getDirectiveKind())) { |
3712 | for (OMPClause *C : S->clauses()) |
3713 | if (auto *FC = dyn_cast<OMPFirstprivateClause>(C)) { |
3714 | for (Expr *Ref : FC->varlists()) |
3715 | Visit(Ref); |
3716 | } |
3717 | } |
3718 | } |
3719 | |
3720 | public: |
3721 | void VisitDeclRefExpr(DeclRefExpr *E) { |
3722 | if (TryCaptureCXXThisMembers || E->isTypeDependent() || |
3723 | E->isValueDependent() || E->containsUnexpandedParameterPack() || |
3724 | E->isInstantiationDependent()) |
3725 | return; |
3726 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
3727 | // Check the datasharing rules for the expressions in the clauses. |
3728 | if (!CS || (isa<OMPCapturedExprDecl>(VD) && !CS->capturesVariable(VD) && |
3729 | !Stack->getTopDSA(VD, /*FromParent=*/false).RefExpr && |
3730 | !Stack->isImplicitDefaultFirstprivateFD(VD))) { |
3731 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) |
3732 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { |
3733 | Visit(CED->getInit()); |
3734 | return; |
3735 | } |
3736 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) |
3737 | // Do not analyze internal variables and do not enclose them into |
3738 | // implicit clauses. |
3739 | if (!Stack->isImplicitDefaultFirstprivateFD(VD)) |
3740 | return; |
3741 | VD = VD->getCanonicalDecl(); |
3742 | // Skip internally declared variables. |
3743 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD) && |
3744 | !Stack->isImplicitDefaultFirstprivateFD(VD) && |
3745 | !Stack->isImplicitTaskFirstprivate(VD)) |
3746 | return; |
3747 | // Skip allocators in uses_allocators clauses. |
3748 | if (Stack->isUsesAllocatorsDecl(VD)) |
3749 | return; |
3750 | |
3751 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); |
3752 | // Check if the variable has explicit DSA set and stop analysis if it so. |
3753 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) |
3754 | return; |
3755 | |
3756 | // Skip internally declared static variables. |
3757 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = |
3758 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); |
3759 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && |
3760 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || |
3761 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) && |
3762 | !Stack->isImplicitDefaultFirstprivateFD(VD) && |
3763 | !Stack->isImplicitTaskFirstprivate(VD)) |
3764 | return; |
3765 | |
3766 | SourceLocation ELoc = E->getExprLoc(); |
3767 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); |
3768 | // The default(none) clause requires that each variable that is referenced |
3769 | // in the construct, and does not have a predetermined data-sharing |
3770 | // attribute, must have its data-sharing attribute explicitly determined |
3771 | // by being listed in a data-sharing attribute clause. |
3772 | if (DVar.CKind == OMPC_unknown && |
3773 | (Stack->getDefaultDSA() == DSA_none || |
3774 | Stack->getDefaultDSA() == DSA_private || |
3775 | Stack->getDefaultDSA() == DSA_firstprivate) && |
3776 | isImplicitOrExplicitTaskingRegion(DKind) && |
3777 | VarsWithInheritedDSA.count(VD) == 0) { |
3778 | bool InheritedDSA = Stack->getDefaultDSA() == DSA_none; |
3779 | if (!InheritedDSA && (Stack->getDefaultDSA() == DSA_firstprivate || |
3780 | Stack->getDefaultDSA() == DSA_private)) { |
3781 | DSAStackTy::DSAVarData DVar = |
3782 | Stack->getImplicitDSA(VD, /*FromParent=*/false); |
3783 | InheritedDSA = DVar.CKind == OMPC_unknown; |
3784 | } |
3785 | if (InheritedDSA) |
3786 | VarsWithInheritedDSA[VD] = E; |
3787 | if (Stack->getDefaultDSA() == DSA_none) |
3788 | return; |
3789 | } |
3790 | |
3791 | // OpenMP 5.0 [2.19.7.2, defaultmap clause, Description] |
3792 | // If implicit-behavior is none, each variable referenced in the |
3793 | // construct that does not have a predetermined data-sharing attribute |
3794 | // and does not appear in a to or link clause on a declare target |
3795 | // directive must be listed in a data-mapping attribute clause, a |
3796 | // data-sharing attribute clause (including a data-sharing attribute |
3797 | // clause on a combined construct where target. is one of the |
3798 | // constituent constructs), or an is_device_ptr clause. |
3799 | OpenMPDefaultmapClauseKind ClauseKind = |
3800 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), VD); |
3801 | if (SemaRef.getLangOpts().OpenMP >= 50) { |
3802 | bool IsModifierNone = Stack->getDefaultmapModifier(ClauseKind) == |
3803 | OMPC_DEFAULTMAP_MODIFIER_none; |
3804 | if (DVar.CKind == OMPC_unknown && IsModifierNone && |
3805 | VarsWithInheritedDSA.count(VD) == 0 && !Res) { |
3806 | // Only check for data-mapping attribute and is_device_ptr here |
3807 | // since we have already make sure that the declaration does not |
3808 | // have a data-sharing attribute above |
3809 | if (!Stack->checkMappableExprComponentListsForDecl( |
3810 | VD, /*CurrentRegionOnly=*/true, |
3811 | [VD](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3812 | MapExprComponents, |
3813 | OpenMPClauseKind) { |
3814 | auto MI = MapExprComponents.rbegin(); |
3815 | auto ME = MapExprComponents.rend(); |
3816 | return MI != ME && MI->getAssociatedDeclaration() == VD; |
3817 | })) { |
3818 | VarsWithInheritedDSA[VD] = E; |
3819 | return; |
3820 | } |
3821 | } |
3822 | } |
3823 | if (SemaRef.getLangOpts().OpenMP > 50) { |
3824 | bool IsModifierPresent = Stack->getDefaultmapModifier(ClauseKind) == |
3825 | OMPC_DEFAULTMAP_MODIFIER_present; |
3826 | if (IsModifierPresent) { |
3827 | if (!llvm::is_contained(ImplicitMapModifier[ClauseKind], |
3828 | OMPC_MAP_MODIFIER_present)) { |
3829 | ImplicitMapModifier[ClauseKind].push_back( |
3830 | OMPC_MAP_MODIFIER_present); |
3831 | } |
3832 | } |
3833 | } |
3834 | |
3835 | if (isOpenMPTargetExecutionDirective(DKind) && |
3836 | !Stack->isLoopControlVariable(VD).first) { |
3837 | if (!Stack->checkMappableExprComponentListsForDecl( |
3838 | VD, /*CurrentRegionOnly=*/true, |
3839 | [this](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3840 | StackComponents, |
3841 | OpenMPClauseKind) { |
3842 | if (SemaRef.LangOpts.OpenMP >= 50) |
3843 | return !StackComponents.empty(); |
3844 | // Variable is used if it has been marked as an array, array |
3845 | // section, array shaping or the variable iself. |
3846 | return StackComponents.size() == 1 || |
3847 | llvm::all_of( |
3848 | llvm::drop_begin(llvm::reverse(StackComponents)), |
3849 | [](const OMPClauseMappableExprCommon:: |
3850 | MappableComponent &MC) { |
3851 | return MC.getAssociatedDeclaration() == |
3852 | nullptr && |
3853 | (isa<OMPArraySectionExpr>( |
3854 | MC.getAssociatedExpression()) || |
3855 | isa<OMPArrayShapingExpr>( |
3856 | MC.getAssociatedExpression()) || |
3857 | isa<ArraySubscriptExpr>( |
3858 | MC.getAssociatedExpression())); |
3859 | }); |
3860 | })) { |
3861 | bool IsFirstprivate = false; |
3862 | // By default lambdas are captured as firstprivates. |
3863 | if (const auto *RD = |
3864 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) |
3865 | IsFirstprivate = RD->isLambda(); |
3866 | IsFirstprivate = |
3867 | IsFirstprivate || (Stack->mustBeFirstprivate(ClauseKind) && !Res); |
3868 | if (IsFirstprivate) { |
3869 | ImplicitFirstprivate.emplace_back(E); |
3870 | } else { |
3871 | OpenMPDefaultmapClauseModifier M = |
3872 | Stack->getDefaultmapModifier(ClauseKind); |
3873 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( |
3874 | M, ClauseKind == OMPC_DEFAULTMAP_aggregate || Res); |
3875 | ImplicitMap[ClauseKind][Kind].emplace_back(E); |
3876 | } |
3877 | return; |
3878 | } |
3879 | } |
3880 | |
3881 | // OpenMP [2.9.3.6, Restrictions, p.2] |
3882 | // A list item that appears in a reduction clause of the innermost |
3883 | // enclosing worksharing or parallel construct may not be accessed in an |
3884 | // explicit task. |
3885 | DVar = Stack->hasInnermostDSA( |
3886 | VD, |
3887 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
3888 | return C == OMPC_reduction && !AppliedToPointee; |
3889 | }, |
3890 | [](OpenMPDirectiveKind K) { |
3891 | return isOpenMPParallelDirective(K) || |
3892 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); |
3893 | }, |
3894 | /*FromParent=*/true); |
3895 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { |
3896 | ErrorFound = true; |
3897 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); |
3898 | reportOriginalDsa(SemaRef, Stack, VD, DVar); |
3899 | return; |
3900 | } |
3901 | |
3902 | // Define implicit data-sharing attributes for task. |
3903 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); |
3904 | if (((isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared) || |
3905 | (((Stack->getDefaultDSA() == DSA_firstprivate && |
3906 | DVar.CKind == OMPC_firstprivate) || |
3907 | (Stack->getDefaultDSA() == DSA_private && |
3908 | DVar.CKind == OMPC_private)) && |
3909 | !DVar.RefExpr)) && |
3910 | !Stack->isLoopControlVariable(VD).first) { |
3911 | if (Stack->getDefaultDSA() == DSA_private) |
3912 | ImplicitPrivate.push_back(E); |
3913 | else |
3914 | ImplicitFirstprivate.push_back(E); |
3915 | return; |
3916 | } |
3917 | |
3918 | // Store implicitly used globals with declare target link for parent |
3919 | // target. |
3920 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && |
3921 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { |
3922 | Stack->addToParentTargetRegionLinkGlobals(E); |
3923 | return; |
3924 | } |
3925 | } |
3926 | } |
3927 | void VisitMemberExpr(MemberExpr *E) { |
3928 | if (E->isTypeDependent() || E->isValueDependent() || |
3929 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) |
3930 | return; |
3931 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); |
3932 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); |
3933 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParenCasts())) { |
3934 | if (!FD) |
3935 | return; |
3936 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); |
3937 | // Check if the variable has explicit DSA set and stop analysis if it |
3938 | // so. |
3939 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) |
3940 | return; |
3941 | |
3942 | if (isOpenMPTargetExecutionDirective(DKind) && |
3943 | !Stack->isLoopControlVariable(FD).first && |
3944 | !Stack->checkMappableExprComponentListsForDecl( |
3945 | FD, /*CurrentRegionOnly=*/true, |
3946 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3947 | StackComponents, |
3948 | OpenMPClauseKind) { |
3949 | return isa<CXXThisExpr>( |
3950 | cast<MemberExpr>( |
3951 | StackComponents.back().getAssociatedExpression()) |
3952 | ->getBase() |
3953 | ->IgnoreParens()); |
3954 | })) { |
3955 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] |
3956 | // A bit-field cannot appear in a map clause. |
3957 | // |
3958 | if (FD->isBitField()) |
3959 | return; |
3960 | |
3961 | // Check to see if the member expression is referencing a class that |
3962 | // has already been explicitly mapped |
3963 | if (Stack->isClassPreviouslyMapped(TE->getType())) |
3964 | return; |
3965 | |
3966 | OpenMPDefaultmapClauseModifier Modifier = |
3967 | Stack->getDefaultmapModifier(OMPC_DEFAULTMAP_aggregate); |
3968 | OpenMPDefaultmapClauseKind ClauseKind = |
3969 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), FD); |
3970 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( |
3971 | Modifier, /*IsAggregateOrDeclareTarget*/ true); |
3972 | ImplicitMap[ClauseKind][Kind].emplace_back(E); |
3973 | return; |
3974 | } |
3975 | |
3976 | SourceLocation ELoc = E->getExprLoc(); |
3977 | // OpenMP [2.9.3.6, Restrictions, p.2] |
3978 | // A list item that appears in a reduction clause of the innermost |
3979 | // enclosing worksharing or parallel construct may not be accessed in |
3980 | // an explicit task. |
3981 | DVar = Stack->hasInnermostDSA( |
3982 | FD, |
3983 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
3984 | return C == OMPC_reduction && !AppliedToPointee; |
3985 | }, |
3986 | [](OpenMPDirectiveKind K) { |
3987 | return isOpenMPParallelDirective(K) || |
3988 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); |
3989 | }, |
3990 | /*FromParent=*/true); |
3991 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { |
3992 | ErrorFound = true; |
3993 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); |
3994 | reportOriginalDsa(SemaRef, Stack, FD, DVar); |
3995 | return; |
3996 | } |
3997 | |
3998 | // Define implicit data-sharing attributes for task. |
3999 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); |
4000 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && |
4001 | !Stack->isLoopControlVariable(FD).first) { |
4002 | // Check if there is a captured expression for the current field in the |
4003 | // region. Do not mark it as firstprivate unless there is no captured |
4004 | // expression. |
4005 | // TODO: try to make it firstprivate. |
4006 | if (DVar.CKind != OMPC_unknown) |
4007 | ImplicitFirstprivate.push_back(E); |
4008 | } |
4009 | return; |
4010 | } |
4011 | if (isOpenMPTargetExecutionDirective(DKind)) { |
4012 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; |
4013 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, |
4014 | Stack->getCurrentDirective(), |
4015 | /*NoDiagnose=*/true)) |
4016 | return; |
4017 | const auto *VD = cast<ValueDecl>( |
4018 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); |
4019 | if (!Stack->checkMappableExprComponentListsForDecl( |
4020 | VD, /*CurrentRegionOnly=*/true, |
4021 | [&CurComponents]( |
4022 | OMPClauseMappableExprCommon::MappableExprComponentListRef |
4023 | StackComponents, |
4024 | OpenMPClauseKind) { |
4025 | auto CCI = CurComponents.rbegin(); |
4026 | auto CCE = CurComponents.rend(); |
4027 | for (const auto &SC : llvm::reverse(StackComponents)) { |
4028 | // Do both expressions have the same kind? |
4029 | if (CCI->getAssociatedExpression()->getStmtClass() != |
4030 | SC.getAssociatedExpression()->getStmtClass()) |
4031 | if (!((isa<OMPArraySectionExpr>( |
4032 | SC.getAssociatedExpression()) || |
4033 | isa<OMPArrayShapingExpr>( |
4034 | SC.getAssociatedExpression())) && |
4035 | isa<ArraySubscriptExpr>( |
4036 | CCI->getAssociatedExpression()))) |
4037 | return false; |
4038 | |
4039 | const Decl *CCD = CCI->getAssociatedDeclaration(); |
4040 | const Decl *SCD = SC.getAssociatedDeclaration(); |
4041 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; |
4042 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; |
4043 | if (SCD != CCD) |
4044 | return false; |
4045 | std::advance(CCI, 1); |
4046 | if (CCI == CCE) |
4047 | break; |
4048 | } |
4049 | return true; |
4050 | })) { |
4051 | Visit(E->getBase()); |
4052 | } |
4053 | } else if (!TryCaptureCXXThisMembers) { |
4054 | Visit(E->getBase()); |
4055 | } |
4056 | } |
4057 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { |
4058 | for (OMPClause *C : S->clauses()) { |
4059 | // Skip analysis of arguments of private clauses for task|target |
4060 | // directives. |
4061 | if (isa_and_nonnull<OMPPrivateClause>(C)) |
4062 | continue; |
4063 | // Skip analysis of arguments of implicitly defined firstprivate clause |
4064 | // for task|target directives. |
4065 | // Skip analysis of arguments of implicitly defined map clause for target |
4066 | // directives. |
4067 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && |
4068 | C->isImplicit() && |
4069 | !isOpenMPTaskingDirective(Stack->getCurrentDirective()))) { |
4070 | for (Stmt *CC : C->children()) { |
4071 | if (CC) |
4072 | Visit(CC); |
4073 | } |
4074 | } |
4075 | } |
4076 | // Check implicitly captured variables. |
4077 | VisitSubCaptures(S); |
4078 | } |
4079 | |
4080 | void VisitOMPLoopTransformationDirective(OMPLoopTransformationDirective *S) { |
4081 | // Loop transformation directives do not introduce data sharing |
4082 | VisitStmt(S); |
4083 | } |
4084 | |
4085 | void VisitCallExpr(CallExpr *S) { |
4086 | for (Stmt *C : S->arguments()) { |
4087 | if (C) { |
4088 | // Check implicitly captured variables in the task-based directives to |
4089 | // check if they must be firstprivatized. |
4090 | Visit(C); |
4091 | } |
4092 | } |
4093 | if (Expr *Callee = S->getCallee()) { |
4094 | auto *CI = Callee->IgnoreParenImpCasts(); |
4095 | if (auto *CE = dyn_cast<MemberExpr>(CI)) |
4096 | Visit(CE->getBase()); |
4097 | else if (auto *CE = dyn_cast<DeclRefExpr>(CI)) |
4098 | Visit(CE); |
4099 | } |
4100 | } |
4101 | void VisitStmt(Stmt *S) { |
4102 | for (Stmt *C : S->children()) { |
4103 | if (C) { |
4104 | // Check implicitly captured variables in the task-based directives to |
4105 | // check if they must be firstprivatized. |
4106 | Visit(C); |
4107 | } |
4108 | } |
4109 | } |
4110 | |
4111 | void visitSubCaptures(CapturedStmt *S) { |
4112 | for (const CapturedStmt::Capture &Cap : S->captures()) { |
4113 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) |
4114 | continue; |
4115 | VarDecl *VD = Cap.getCapturedVar(); |
4116 | // Do not try to map the variable if it or its sub-component was mapped |
4117 | // already. |
4118 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
4119 | Stack->checkMappableExprComponentListsForDecl( |
4120 | VD, /*CurrentRegionOnly=*/true, |
4121 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
4122 | OpenMPClauseKind) { return true; })) |
4123 | continue; |
4124 | DeclRefExpr *DRE = buildDeclRefExpr( |
4125 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), |
4126 | Cap.getLocation(), /*RefersToCapture=*/true); |
4127 | Visit(DRE); |
4128 | } |
4129 | } |
4130 | bool isErrorFound() const { return ErrorFound; } |
4131 | ArrayRef<Expr *> getImplicitFirstprivate() const { |
4132 | return ImplicitFirstprivate; |
4133 | } |
4134 | ArrayRef<Expr *> getImplicitPrivate() const { return ImplicitPrivate; } |
4135 | ArrayRef<Expr *> getImplicitMap(OpenMPDefaultmapClauseKind DK, |
4136 | OpenMPMapClauseKind MK) const { |
4137 | return ImplicitMap[DK][MK]; |
4138 | } |
4139 | ArrayRef<OpenMPMapModifierKind> |
4140 | getImplicitMapModifier(OpenMPDefaultmapClauseKind Kind) const { |
4141 | return ImplicitMapModifier[Kind]; |
4142 | } |
4143 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { |
4144 | return VarsWithInheritedDSA; |
4145 | } |
4146 | |
4147 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) |
4148 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { |
4149 | // Process declare target link variables for the target directives. |
4150 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { |
4151 | for (DeclRefExpr *E : Stack->getLinkGlobals()) |
4152 | Visit(E); |
4153 | } |
4154 | } |
4155 | }; |
4156 | } // namespace |
4157 | |
4158 | static void handleDeclareVariantConstructTrait(DSAStackTy *Stack, |
4159 | OpenMPDirectiveKind DKind, |
4160 | bool ScopeEntry) { |
4161 | SmallVector<llvm::omp::TraitProperty, 8> Traits; |
4162 | if (isOpenMPTargetExecutionDirective(DKind)) |
4163 | Traits.emplace_back(llvm::omp::TraitProperty::construct_target_target); |
4164 | if (isOpenMPTeamsDirective(DKind)) |
4165 | Traits.emplace_back(llvm::omp::TraitProperty::construct_teams_teams); |
4166 | if (isOpenMPParallelDirective(DKind)) |
4167 | Traits.emplace_back(llvm::omp::TraitProperty::construct_parallel_parallel); |
4168 | if (isOpenMPWorksharingDirective(DKind)) |
4169 | Traits.emplace_back(llvm::omp::TraitProperty::construct_for_for); |
4170 | if (isOpenMPSimdDirective(DKind)) |
4171 | Traits.emplace_back(llvm::omp::TraitProperty::construct_simd_simd); |
4172 | Stack->handleConstructTrait(Traits, ScopeEntry); |
4173 | } |
4174 | |
4175 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { |
4176 | switch (DKind) { |
4177 | case OMPD_parallel: |
4178 | case OMPD_parallel_for: |
4179 | case OMPD_parallel_for_simd: |
4180 | case OMPD_parallel_sections: |
4181 | case OMPD_parallel_master: |
4182 | case OMPD_parallel_masked: |
4183 | case OMPD_parallel_loop: |
4184 | case OMPD_teams: |
4185 | case OMPD_teams_distribute: |
4186 | case OMPD_teams_distribute_simd: { |
4187 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4188 | QualType KmpInt32PtrTy = |
4189 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4190 | Sema::CapturedParamNameType Params[] = { |
4191 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4192 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4193 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4194 | }; |
4195 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4196 | Params); |
4197 | break; |
4198 | } |
4199 | case OMPD_target_teams: |
4200 | case OMPD_target_parallel: |
4201 | case OMPD_target_parallel_for: |
4202 | case OMPD_target_parallel_for_simd: |
4203 | case OMPD_target_teams_loop: |
4204 | case OMPD_target_parallel_loop: |
4205 | case OMPD_target_teams_distribute: |
4206 | case OMPD_target_teams_distribute_simd: { |
4207 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4208 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4209 | QualType KmpInt32PtrTy = |
4210 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4211 | QualType Args[] = {VoidPtrTy}; |
4212 | FunctionProtoType::ExtProtoInfo EPI; |
4213 | EPI.Variadic = true; |
4214 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4215 | Sema::CapturedParamNameType Params[] = { |
4216 | std::make_pair(".global_tid.", KmpInt32Ty), |
4217 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4218 | std::make_pair(".privates.", VoidPtrTy), |
4219 | std::make_pair( |
4220 | ".copy_fn.", |
4221 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4222 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4223 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4224 | }; |
4225 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4226 | Params, /*OpenMPCaptureLevel=*/0); |
4227 | // Mark this captured region as inlined, because we don't use outlined |
4228 | // function directly. |
4229 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4230 | AlwaysInlineAttr::CreateImplicit( |
4231 | Context, {}, AlwaysInlineAttr::Keyword_forceinline)); |
4232 | Sema::CapturedParamNameType ParamsTarget[] = { |
4233 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4234 | }; |
4235 | // Start a captured region for 'target' with no implicit parameters. |
4236 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4237 | ParamsTarget, /*OpenMPCaptureLevel=*/1); |
4238 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { |
4239 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4240 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4241 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4242 | }; |
4243 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4244 | // the same implicit parameters. |
4245 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4246 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); |
4247 | break; |
4248 | } |
4249 | case OMPD_target: |
4250 | case OMPD_target_simd: { |
4251 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4252 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4253 | QualType KmpInt32PtrTy = |
4254 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4255 | QualType Args[] = {VoidPtrTy}; |
4256 | FunctionProtoType::ExtProtoInfo EPI; |
4257 | EPI.Variadic = true; |
4258 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4259 | Sema::CapturedParamNameType Params[] = { |
4260 | std::make_pair(".global_tid.", KmpInt32Ty), |
4261 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4262 | std::make_pair(".privates.", VoidPtrTy), |
4263 | std::make_pair( |
4264 | ".copy_fn.", |
4265 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4266 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4267 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4268 | }; |
4269 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4270 | Params, /*OpenMPCaptureLevel=*/0); |
4271 | // Mark this captured region as inlined, because we don't use outlined |
4272 | // function directly. |
4273 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4274 | AlwaysInlineAttr::CreateImplicit( |
4275 | Context, {}, AlwaysInlineAttr::Keyword_forceinline)); |
4276 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4277 | std::make_pair(StringRef(), QualType()), |
4278 | /*OpenMPCaptureLevel=*/1); |
4279 | break; |
4280 | } |
4281 | case OMPD_atomic: |
4282 | case OMPD_critical: |
4283 | case OMPD_section: |
4284 | case OMPD_master: |
4285 | case OMPD_masked: |
4286 | case OMPD_tile: |
4287 | case OMPD_unroll: |
4288 | break; |
4289 | case OMPD_loop: |
4290 | // TODO: 'loop' may require additional parameters depending on the binding. |
4291 | // Treat similar to OMPD_simd/OMPD_for for now. |
4292 | case OMPD_simd: |
4293 | case OMPD_for: |
4294 | case OMPD_for_simd: |
4295 | case OMPD_sections: |
4296 | case OMPD_single: |
4297 | case OMPD_taskgroup: |
4298 | case OMPD_distribute: |
4299 | case OMPD_distribute_simd: |
4300 | case OMPD_ordered: |
4301 | case OMPD_target_data: |
4302 | case OMPD_dispatch: { |
4303 | Sema::CapturedParamNameType Params[] = { |
4304 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4305 | }; |
4306 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4307 | Params); |
4308 | break; |
4309 | } |
4310 | case OMPD_task: { |
4311 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4312 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4313 | QualType KmpInt32PtrTy = |
4314 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4315 | QualType Args[] = {VoidPtrTy}; |
4316 | FunctionProtoType::ExtProtoInfo EPI; |
4317 | EPI.Variadic = true; |
4318 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4319 | Sema::CapturedParamNameType Params[] = { |
4320 | std::make_pair(".global_tid.", KmpInt32Ty), |
4321 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4322 | std::make_pair(".privates.", VoidPtrTy), |
4323 | std::make_pair( |
4324 | ".copy_fn.", |
4325 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4326 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4327 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4328 | }; |
4329 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4330 | Params); |
4331 | // Mark this captured region as inlined, because we don't use outlined |
4332 | // function directly. |
4333 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4334 | AlwaysInlineAttr::CreateImplicit( |
4335 | Context, {}, AlwaysInlineAttr::Keyword_forceinline)); |
4336 | break; |
4337 | } |
4338 | case OMPD_taskloop: |
4339 | case OMPD_taskloop_simd: |
4340 | case OMPD_master_taskloop: |
4341 | case OMPD_masked_taskloop: |
4342 | case OMPD_masked_taskloop_simd: |
4343 | case OMPD_master_taskloop_simd: { |
4344 | QualType KmpInt32Ty = |
4345 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) |
4346 | .withConst(); |
4347 | QualType KmpUInt64Ty = |
4348 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) |
4349 | .withConst(); |
4350 | QualType KmpInt64Ty = |
4351 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) |
4352 | .withConst(); |
4353 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4354 | QualType KmpInt32PtrTy = |
4355 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4356 | QualType Args[] = {VoidPtrTy}; |
4357 | FunctionProtoType::ExtProtoInfo EPI; |
4358 | EPI.Variadic = true; |
4359 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4360 | Sema::CapturedParamNameType Params[] = { |
4361 | std::make_pair(".global_tid.", KmpInt32Ty), |
4362 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4363 | std::make_pair(".privates.", VoidPtrTy), |
4364 | std::make_pair( |
4365 | ".copy_fn.", |
4366 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4367 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4368 | std::make_pair(".lb.", KmpUInt64Ty), |
4369 | std::make_pair(".ub.", KmpUInt64Ty), |
4370 | std::make_pair(".st.", KmpInt64Ty), |
4371 | std::make_pair(".liter.", KmpInt32Ty), |
4372 | std::make_pair(".reductions.", VoidPtrTy), |
4373 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4374 | }; |
4375 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4376 | Params); |
4377 | // Mark this captured region as inlined, because we don't use outlined |
4378 | // function directly. |
4379 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4380 | AlwaysInlineAttr::CreateImplicit( |
4381 | Context, {}, AlwaysInlineAttr::Keyword_forceinline)); |
4382 | break; |
4383 | } |
4384 | case OMPD_parallel_masked_taskloop: |
4385 | case OMPD_parallel_masked_taskloop_simd: |
4386 | case OMPD_parallel_master_taskloop: |
4387 | case OMPD_parallel_master_taskloop_simd: { |
4388 | QualType KmpInt32Ty = |
4389 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) |
4390 | .withConst(); |
4391 | QualType KmpUInt64Ty = |
4392 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) |
4393 | .withConst(); |
4394 | QualType KmpInt64Ty = |
4395 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) |
4396 | .withConst(); |
4397 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4398 | QualType KmpInt32PtrTy = |
4399 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4400 | Sema::CapturedParamNameType ParamsParallel[] = { |
4401 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4402 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4403 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4404 | }; |
4405 | // Start a captured region for 'parallel'. |
4406 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4407 | ParamsParallel, /*OpenMPCaptureLevel=*/0); |
4408 | QualType Args[] = {VoidPtrTy}; |
4409 | FunctionProtoType::ExtProtoInfo EPI; |
4410 | EPI.Variadic = true; |
4411 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4412 | Sema::CapturedParamNameType Params[] = { |
4413 | std::make_pair(".global_tid.", KmpInt32Ty), |
4414 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4415 | std::make_pair(".privates.", VoidPtrTy), |
4416 | std::make_pair( |
4417 | ".copy_fn.", |
4418 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4419 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4420 | std::make_pair(".lb.", KmpUInt64Ty), |
4421 | std::make_pair(".ub.", KmpUInt64Ty), |
4422 | std::make_pair(".st.", KmpInt64Ty), |
4423 | std::make_pair(".liter.", KmpInt32Ty), |
4424 | std::make_pair(".reductions.", VoidPtrTy), |
4425 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4426 | }; |
4427 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4428 | Params, /*OpenMPCaptureLevel=*/1); |
4429 | // Mark this captured region as inlined, because we don't use outlined |
4430 | // function directly. |
4431 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4432 | AlwaysInlineAttr::CreateImplicit( |
4433 | Context, {}, AlwaysInlineAttr::Keyword_forceinline)); |
4434 | break; |
4435 | } |
4436 | case OMPD_distribute_parallel_for_simd: |
4437 | case OMPD_distribute_parallel_for: { |
4438 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4439 | QualType KmpInt32PtrTy = |
4440 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4441 | Sema::CapturedParamNameType Params[] = { |
4442 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4443 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4444 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4445 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4446 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4447 | }; |
4448 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4449 | Params); |
4450 | break; |
4451 | } |
4452 | case OMPD_target_teams_distribute_parallel_for: |
4453 | case OMPD_target_teams_distribute_parallel_for_simd: { |
4454 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4455 | QualType KmpInt32PtrTy = |
4456 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4457 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4458 | |
4459 | QualType Args[] = {VoidPtrTy}; |
4460 | FunctionProtoType::ExtProtoInfo EPI; |
4461 | EPI.Variadic = true; |
4462 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4463 | Sema::CapturedParamNameType Params[] = { |
4464 | std::make_pair(".global_tid.", KmpInt32Ty), |
4465 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4466 | std::make_pair(".privates.", VoidPtrTy), |
4467 | std::make_pair( |
4468 | ".copy_fn.", |
4469 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4470 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4471 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4472 | }; |
4473 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4474 | Params, /*OpenMPCaptureLevel=*/0); |
4475 | // Mark this captured region as inlined, because we don't use outlined |
4476 | // function directly. |
4477 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4478 | AlwaysInlineAttr::CreateImplicit( |
4479 | Context, {}, AlwaysInlineAttr::Keyword_forceinline)); |
4480 | Sema::CapturedParamNameType ParamsTarget[] = { |
4481 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4482 | }; |
4483 | // Start a captured region for 'target' with no implicit parameters. |
4484 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4485 | ParamsTarget, /*OpenMPCaptureLevel=*/1); |
4486 | |
4487 | Sema::CapturedParamNameType ParamsTeams[] = { |
4488 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4489 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4490 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4491 | }; |
4492 | // Start a captured region for 'target' with no implicit parameters. |
4493 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4494 | ParamsTeams, /*OpenMPCaptureLevel=*/2); |
4495 | |
4496 | Sema::CapturedParamNameType ParamsParallel[] = { |
4497 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4498 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4499 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4500 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4501 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4502 | }; |
4503 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4504 | // the same implicit parameters. |
4505 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4506 | ParamsParallel, /*OpenMPCaptureLevel=*/3); |
4507 | break; |
4508 | } |
4509 | |
4510 | case OMPD_teams_loop: { |
4511 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4512 | QualType KmpInt32PtrTy = |
4513 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4514 | |
4515 | Sema::CapturedParamNameType ParamsTeams[] = { |
4516 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4517 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4518 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4519 | }; |
4520 | // Start a captured region for 'teams'. |
4521 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4522 | ParamsTeams, /*OpenMPCaptureLevel=*/0); |
4523 | break; |
4524 | } |
4525 | |
4526 | case OMPD_teams_distribute_parallel_for: |
4527 | case OMPD_teams_distribute_parallel_for_simd: { |
4528 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4529 | QualType KmpInt32PtrTy = |
4530 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4531 | |
4532 | Sema::CapturedParamNameType ParamsTeams[] = { |
4533 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4534 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4535 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4536 | }; |
4537 | // Start a captured region for 'target' with no implicit parameters. |
4538 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4539 | ParamsTeams, /*OpenMPCaptureLevel=*/0); |
4540 | |
4541 | Sema::CapturedParamNameType ParamsParallel[] = { |
4542 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4543 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4544 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4545 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4546 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4547 | }; |
4548 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4549 | // the same implicit parameters. |
4550 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4551 | ParamsParallel, /*OpenMPCaptureLevel=*/1); |
4552 | break; |
4553 | } |
4554 | case OMPD_target_update: |
4555 | case OMPD_target_enter_data: |
4556 | case OMPD_target_exit_data: { |
4557 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4558 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4559 | QualType KmpInt32PtrTy = |
4560 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4561 | QualType Args[] = {VoidPtrTy}; |
4562 | FunctionProtoType::ExtProtoInfo EPI; |
4563 | EPI.Variadic = true; |
4564 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4565 | Sema::CapturedParamNameType Params[] = { |
4566 | std::make_pair(".global_tid.", KmpInt32Ty), |
4567 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4568 | std::make_pair(".privates.", VoidPtrTy), |
4569 | std::make_pair( |
4570 | ".copy_fn.", |
4571 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4572 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4573 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4574 | }; |
4575 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4576 | Params); |
4577 | // Mark this captured region as inlined, because we don't use outlined |
4578 | // function directly. |
4579 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4580 | AlwaysInlineAttr::CreateImplicit( |
4581 | Context, {}, AlwaysInlineAttr::Keyword_forceinline)); |
4582 | break; |
4583 | } |
4584 | case OMPD_threadprivate: |
4585 | case OMPD_allocate: |
4586 | case OMPD_taskyield: |
4587 | case OMPD_error: |
4588 | case OMPD_barrier: |
4589 | case OMPD_taskwait: |
4590 | case OMPD_cancellation_point: |
4591 | case OMPD_cancel: |
4592 | case OMPD_flush: |
4593 | case OMPD_depobj: |
4594 | case OMPD_scan: |
4595 | case OMPD_declare_reduction: |
4596 | case OMPD_declare_mapper: |
4597 | case OMPD_declare_simd: |
4598 | case OMPD_declare_target: |
4599 | case OMPD_end_declare_target: |
4600 | case OMPD_requires: |
4601 | case OMPD_declare_variant: |
4602 | case OMPD_begin_declare_variant: |
4603 | case OMPD_end_declare_variant: |
4604 | case OMPD_metadirective: |
4605 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "clang/lib/Sema/SemaOpenMP.cpp", 4605); |
4606 | case OMPD_unknown: |
4607 | default: |
4608 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 4608); |
4609 | } |
4610 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setContext(CurContext); |
4611 | handleDeclareVariantConstructTrait(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), DKind, /* ScopeEntry */ true); |
4612 | } |
4613 | |
4614 | int Sema::getNumberOfConstructScopes(unsigned Level) const { |
4615 | return getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
4616 | } |
4617 | |
4618 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { |
4619 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
4620 | getOpenMPCaptureRegions(CaptureRegions, DKind); |
4621 | return CaptureRegions.size(); |
4622 | } |
4623 | |
4624 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, |
4625 | Expr *CaptureExpr, bool WithInit, |
4626 | DeclContext *CurContext, |
4627 | bool AsExpression) { |
4628 | assert(CaptureExpr)(static_cast <bool> (CaptureExpr) ? void (0) : __assert_fail ("CaptureExpr", "clang/lib/Sema/SemaOpenMP.cpp", 4628, __extension__ __PRETTY_FUNCTION__)); |
4629 | ASTContext &C = S.getASTContext(); |
4630 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); |
4631 | QualType Ty = Init->getType(); |
4632 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { |
4633 | if (S.getLangOpts().CPlusPlus) { |
4634 | Ty = C.getLValueReferenceType(Ty); |
4635 | } else { |
4636 | Ty = C.getPointerType(Ty); |
4637 | ExprResult Res = |
4638 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); |
4639 | if (!Res.isUsable()) |
4640 | return nullptr; |
4641 | Init = Res.get(); |
4642 | } |
4643 | WithInit = true; |
4644 | } |
4645 | auto *CED = OMPCapturedExprDecl::Create(C, CurContext, Id, Ty, |
4646 | CaptureExpr->getBeginLoc()); |
4647 | if (!WithInit) |
4648 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); |
4649 | CurContext->addHiddenDecl(CED); |
4650 | Sema::TentativeAnalysisScope Trap(S); |
4651 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); |
4652 | return CED; |
4653 | } |
4654 | |
4655 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, |
4656 | bool WithInit) { |
4657 | OMPCapturedExprDecl *CD; |
4658 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) |
4659 | CD = cast<OMPCapturedExprDecl>(VD); |
4660 | else |
4661 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, |
4662 | S.CurContext, |
4663 | /*AsExpression=*/false); |
4664 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), |
4665 | CaptureExpr->getExprLoc()); |
4666 | } |
4667 | |
4668 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref, |
4669 | StringRef Name) { |
4670 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); |
4671 | if (!Ref) { |
4672 | OMPCapturedExprDecl *CD = buildCaptureDecl( |
4673 | S, &S.getASTContext().Idents.get(Name), CaptureExpr, |
4674 | /*WithInit=*/true, S.CurContext, /*AsExpression=*/true); |
4675 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), |
4676 | CaptureExpr->getExprLoc()); |
4677 | } |
4678 | ExprResult Res = Ref; |
4679 | if (!S.getLangOpts().CPlusPlus && |
4680 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && |
4681 | Ref->getType()->isPointerType()) { |
4682 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); |
4683 | if (!Res.isUsable()) |
4684 | return ExprError(); |
4685 | } |
4686 | return S.DefaultLvalueConversion(Res.get()); |
4687 | } |
4688 | |
4689 | namespace { |
4690 | // OpenMP directives parsed in this section are represented as a |
4691 | // CapturedStatement with an associated statement. If a syntax error |
4692 | // is detected during the parsing of the associated statement, the |
4693 | // compiler must abort processing and close the CapturedStatement. |
4694 | // |
4695 | // Combined directives such as 'target parallel' have more than one |
4696 | // nested CapturedStatements. This RAII ensures that we unwind out |
4697 | // of all the nested CapturedStatements when an error is found. |
4698 | class CaptureRegionUnwinderRAII { |
4699 | private: |
4700 | Sema &S; |
4701 | bool &ErrorFound; |
4702 | OpenMPDirectiveKind DKind = OMPD_unknown; |
4703 | |
4704 | public: |
4705 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, |
4706 | OpenMPDirectiveKind DKind) |
4707 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} |
4708 | ~CaptureRegionUnwinderRAII() { |
4709 | if (ErrorFound) { |
4710 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); |
4711 | while (--ThisCaptureLevel >= 0) |
4712 | S.ActOnCapturedRegionError(); |
4713 | } |
4714 | } |
4715 | }; |
4716 | } // namespace |
4717 | |
4718 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { |
4719 | // Capture variables captured by reference in lambdas for target-based |
4720 | // directives. |
4721 | if (!CurContext->isDependentContext() && |
4722 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || |
4723 | isOpenMPTargetDataManagementDirective( |
4724 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { |
4725 | QualType Type = V->getType(); |
4726 | if (const auto *RD = Type.getCanonicalType() |
4727 | .getNonReferenceType() |
4728 | ->getAsCXXRecordDecl()) { |
4729 | bool SavedForceCaptureByReferenceInTargetExecutable = |
4730 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); |
4731 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( |
4732 | /*V=*/true); |
4733 | if (RD->isLambda()) { |
4734 | llvm::DenseMap<const ValueDecl *, FieldDecl *> Captures; |
4735 | FieldDecl *ThisCapture; |
4736 | RD->getCaptureFields(Captures, ThisCapture); |
4737 | for (const LambdaCapture &LC : RD->captures()) { |
4738 | if (LC.getCaptureKind() == LCK_ByRef) { |
4739 | VarDecl *VD = cast<VarDecl>(LC.getCapturedVar()); |
4740 | DeclContext *VDC = VD->getDeclContext(); |
4741 | if (!VDC->Encloses(CurContext)) |
4742 | continue; |
4743 | MarkVariableReferenced(LC.getLocation(), VD); |
4744 | } else if (LC.getCaptureKind() == LCK_This) { |
4745 | QualType ThisTy = getCurrentThisType(); |
4746 | if (!ThisTy.isNull() && |
4747 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) |
4748 | CheckCXXThisCapture(LC.getLocation()); |
4749 | } |
4750 | } |
4751 | } |
4752 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( |
4753 | SavedForceCaptureByReferenceInTargetExecutable); |
4754 | } |
4755 | } |
4756 | } |
4757 | |
4758 | static bool checkOrderedOrderSpecified(Sema &S, |
4759 | const ArrayRef<OMPClause *> Clauses) { |
4760 | const OMPOrderedClause *Ordered = nullptr; |
4761 | const OMPOrderClause *Order = nullptr; |
4762 | |
4763 | for (const OMPClause *Clause : Clauses) { |
4764 | if (Clause->getClauseKind() == OMPC_ordered) |
4765 | Ordered = cast<OMPOrderedClause>(Clause); |
4766 | else if (Clause->getClauseKind() == OMPC_order) { |
4767 | Order = cast<OMPOrderClause>(Clause); |
4768 | if (Order->getKind() != OMPC_ORDER_concurrent) |
4769 | Order = nullptr; |
4770 | } |
4771 | if (Ordered && Order) |
4772 | break; |
4773 | } |
4774 | |
4775 | if (Ordered && Order) { |
4776 | S.Diag(Order->getKindKwLoc(), |
4777 | diag::err_omp_simple_clause_incompatible_with_ordered) |
4778 | << getOpenMPClauseName(OMPC_order) |
4779 | << getOpenMPSimpleClauseTypeName(OMPC_order, OMPC_ORDER_concurrent) |
4780 | << SourceRange(Order->getBeginLoc(), Order->getEndLoc()); |
4781 | S.Diag(Ordered->getBeginLoc(), diag::note_omp_ordered_param) |
4782 | << 0 << SourceRange(Ordered->getBeginLoc(), Ordered->getEndLoc()); |
4783 | return true; |
4784 | } |
4785 | return false; |
4786 | } |
4787 | |
4788 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, |
4789 | ArrayRef<OMPClause *> Clauses) { |
4790 | handleDeclareVariantConstructTrait(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), |
4791 | /* ScopeEntry */ false); |
4792 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_atomic || |
4793 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_critical || |
4794 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_section || |
4795 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_master || |
4796 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_masked) |
4797 | return S; |
4798 | |
4799 | bool ErrorFound = false; |
4800 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( |
4801 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4802 | if (!S.isUsable()) { |
4803 | ErrorFound = true; |
4804 | return StmtError(); |
4805 | } |
4806 | |
4807 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
4808 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4809 | OMPOrderedClause *OC = nullptr; |
4810 | OMPScheduleClause *SC = nullptr; |
4811 | SmallVector<const OMPLinearClause *, 4> LCs; |
4812 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; |
4813 | // This is required for proper codegen. |
4814 | for (OMPClause *Clause : Clauses) { |
4815 | if (!LangOpts.OpenMPSimd && |
4816 | (isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || |
4817 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_target) && |
4818 | Clause->getClauseKind() == OMPC_in_reduction) { |
4819 | // Capture taskgroup task_reduction descriptors inside the tasking regions |
4820 | // with the corresponding in_reduction items. |
4821 | auto *IRC = cast<OMPInReductionClause>(Clause); |
4822 | for (Expr *E : IRC->taskgroup_descriptors()) |
4823 | if (E) |
4824 | MarkDeclarationsReferencedInExpr(E); |
4825 | } |
4826 | if (isOpenMPPrivate(Clause->getClauseKind()) || |
4827 | Clause->getClauseKind() == OMPC_copyprivate || |
4828 | (getLangOpts().OpenMPUseTLS && |
4829 | getASTContext().getTargetInfo().isTLSSupported() && |
4830 | Clause->getClauseKind() == OMPC_copyin)) { |
4831 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); |
4832 | // Mark all variables in private list clauses as used in inner region. |
4833 | for (Stmt *VarRef : Clause->children()) { |
4834 | if (auto *E = cast_or_null<Expr>(VarRef)) { |
4835 | MarkDeclarationsReferencedInExpr(E); |
4836 | } |
4837 | } |
4838 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); |
4839 | } else if (isOpenMPLoopTransformationDirective( |
4840 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
4841 | 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", 4842, __extension__ __PRETTY_FUNCTION__ )) |
4842 | "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", 4842, __extension__ __PRETTY_FUNCTION__ )); |
4843 | } else if (CaptureRegions.size() > 1 || |
4844 | CaptureRegions.back() != OMPD_unknown) { |
4845 | if (auto *C = OMPClauseWithPreInit::get(Clause)) |
4846 | PICs.push_back(C); |
4847 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { |
4848 | if (Expr *E = C->getPostUpdateExpr()) |
4849 | MarkDeclarationsReferencedInExpr(E); |
4850 | } |
4851 | } |
4852 | if (Clause->getClauseKind() == OMPC_schedule) |
4853 | SC = cast<OMPScheduleClause>(Clause); |
4854 | else if (Clause->getClauseKind() == OMPC_ordered) |
4855 | OC = cast<OMPOrderedClause>(Clause); |
4856 | else if (Clause->getClauseKind() == OMPC_linear) |
4857 | LCs.push_back(cast<OMPLinearClause>(Clause)); |
4858 | } |
4859 | // Capture allocator expressions if used. |
4860 | for (Expr *E : DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerAllocators()) |
4861 | MarkDeclarationsReferencedInExpr(E); |
4862 | // OpenMP, 2.7.1 Loop Construct, Restrictions |
4863 | // The nonmonotonic modifier cannot be specified if an ordered clause is |
4864 | // specified. |
4865 | if (SC && |
4866 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || |
4867 | SC->getSecondScheduleModifier() == |
4868 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && |
4869 | OC) { |
4870 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic |
4871 | ? SC->getFirstScheduleModifierLoc() |
4872 | : SC->getSecondScheduleModifierLoc(), |
4873 | diag::err_omp_simple_clause_incompatible_with_ordered) |
4874 | << getOpenMPClauseName(OMPC_schedule) |
4875 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, |
4876 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) |
4877 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); |
4878 | ErrorFound = true; |
4879 | } |
4880 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Restrictions. |
4881 | // If an order(concurrent) clause is present, an ordered clause may not appear |
4882 | // on the same directive. |
4883 | if (checkOrderedOrderSpecified(*this, Clauses)) |
4884 | ErrorFound = true; |
4885 | if (!LCs.empty() && OC && OC->getNumForLoops()) { |
4886 | for (const OMPLinearClause *C : LCs) { |
4887 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) |
4888 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); |
4889 | } |
4890 | ErrorFound = true; |
4891 | } |
4892 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
4893 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && |
4894 | OC->getNumForLoops()) { |
4895 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) |
4896 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4897 | ErrorFound = true; |
4898 | } |
4899 | if (ErrorFound) { |
4900 | return StmtError(); |
4901 | } |
4902 | StmtResult SR = S; |
4903 | unsigned CompletedRegions = 0; |
4904 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { |
4905 | // Mark all variables in private list clauses as used in inner region. |
4906 | // Required for proper codegen of combined directives. |
4907 | // TODO: add processing for other clauses. |
4908 | if (ThisCaptureRegion != OMPD_unknown) { |
4909 | for (const clang::OMPClauseWithPreInit *C : PICs) { |
4910 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); |
4911 | // Find the particular capture region for the clause if the |
4912 | // directive is a combined one with multiple capture regions. |
4913 | // If the directive is not a combined one, the capture region |
4914 | // associated with the clause is OMPD_unknown and is generated |
4915 | // only once. |
4916 | if (CaptureRegion == ThisCaptureRegion || |
4917 | CaptureRegion == OMPD_unknown) { |
4918 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { |
4919 | for (Decl *D : DS->decls()) |
4920 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); |
4921 | } |
4922 | } |
4923 | } |
4924 | } |
4925 | if (ThisCaptureRegion == OMPD_target) { |
4926 | // Capture allocator traits in the target region. They are used implicitly |
4927 | // and, thus, are not captured by default. |
4928 | for (OMPClause *C : Clauses) { |
4929 | if (const auto *UAC = dyn_cast<OMPUsesAllocatorsClause>(C)) { |
4930 | for (unsigned I = 0, End = UAC->getNumberOfAllocators(); I < End; |
4931 | ++I) { |
4932 | OMPUsesAllocatorsClause::Data D = UAC->getAllocatorData(I); |
4933 | if (Expr *E = D.AllocatorTraits) |
4934 | MarkDeclarationsReferencedInExpr(E); |
4935 | } |
4936 | continue; |
4937 | } |
4938 | } |
4939 | } |
4940 | if (ThisCaptureRegion == OMPD_parallel) { |
4941 | // Capture temp arrays for inscan reductions and locals in aligned |
4942 | // clauses. |
4943 | for (OMPClause *C : Clauses) { |
4944 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) { |
4945 | if (RC->getModifier() != OMPC_REDUCTION_inscan) |
4946 | continue; |
4947 | for (Expr *E : RC->copy_array_temps()) |
4948 | MarkDeclarationsReferencedInExpr(E); |
4949 | } |
4950 | if (auto *AC = dyn_cast<OMPAlignedClause>(C)) { |
4951 | for (Expr *E : AC->varlists()) |
4952 | MarkDeclarationsReferencedInExpr(E); |
4953 | } |
4954 | } |
4955 | } |
4956 | if (++CompletedRegions == CaptureRegions.size()) |
4957 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); |
4958 | SR = ActOnCapturedRegionEnd(SR.get()); |
4959 | } |
4960 | return SR; |
4961 | } |
4962 | |
4963 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, |
4964 | OpenMPDirectiveKind CancelRegion, |
4965 | SourceLocation StartLoc) { |
4966 | // CancelRegion is only needed for cancel and cancellation_point. |
4967 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) |
4968 | return false; |
4969 | |
4970 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || |
4971 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) |
4972 | return false; |
4973 | |
4974 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) |
4975 | << getOpenMPDirectiveName(CancelRegion); |
4976 | return true; |
4977 | } |
4978 | |
4979 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, |
4980 | OpenMPDirectiveKind CurrentRegion, |
4981 | const DeclarationNameInfo &CurrentName, |
4982 | OpenMPDirectiveKind CancelRegion, |
4983 | OpenMPBindClauseKind BindKind, |
4984 | SourceLocation StartLoc) { |
4985 | if (Stack->getCurScope()) { |
4986 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); |
4987 | OpenMPDirectiveKind OffendingRegion = ParentRegion; |
4988 | bool NestingProhibited = false; |
4989 | bool CloseNesting = true; |
4990 | bool OrphanSeen = false; |
4991 | enum { |
4992 | NoRecommend, |
4993 | ShouldBeInParallelRegion, |
4994 | ShouldBeInOrderedRegion, |
4995 | ShouldBeInTargetRegion, |
4996 | ShouldBeInTeamsRegion, |
4997 | ShouldBeInLoopSimdRegion, |
4998 | } Recommend = NoRecommend; |
4999 | if (SemaRef.LangOpts.OpenMP >= 51 && Stack->isParentOrderConcurrent() && |
5000 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_loop && |
5001 | CurrentRegion != OMPD_parallel && |
5002 | !isOpenMPCombinedParallelADirective(CurrentRegion)) { |
5003 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_order) |
5004 | << getOpenMPDirectiveName(CurrentRegion); |
5005 | return true; |
5006 | } |
5007 | if (isOpenMPSimdDirective(ParentRegion) && |
5008 | ((SemaRef.LangOpts.OpenMP <= 45 && CurrentRegion != OMPD_ordered) || |
5009 | (SemaRef.LangOpts.OpenMP >= 50 && CurrentRegion != OMPD_ordered && |
5010 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_atomic && |
5011 | CurrentRegion != OMPD_scan))) { |
5012 | // OpenMP [2.16, Nesting of Regions] |
5013 | // OpenMP constructs may not be nested inside a simd region. |
5014 | // OpenMP [2.8.1,simd Construct, Restrictions] |
5015 | // An ordered construct with the simd clause is the only OpenMP |
5016 | // construct that can appear in the simd region. |
5017 | // Allowing a SIMD construct nested in another SIMD construct is an |
5018 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning |
5019 | // message. |
5020 | // OpenMP 5.0 [2.9.3.1, simd Construct, Restrictions] |
5021 | // The only OpenMP constructs that can be encountered during execution of |
5022 | // a simd region are the atomic construct, the loop construct, the simd |
5023 | // construct and the ordered construct with the simd clause. |
5024 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) |
5025 | ? diag::err_omp_prohibited_region_simd |
5026 | : diag::warn_omp_nesting_simd) |
5027 | << (SemaRef.LangOpts.OpenMP >= 50 ? 1 : 0); |
5028 | return CurrentRegion != OMPD_simd; |
5029 | } |
5030 | if (ParentRegion == OMPD_atomic) { |
5031 | // OpenMP [2.16, Nesting of Regions] |
5032 | // OpenMP constructs may not be nested inside an atomic region. |
5033 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); |
5034 | return true; |
5035 | } |
5036 | if (CurrentRegion == OMPD_section) { |
5037 | // OpenMP [2.7.2, sections Construct, Restrictions] |
5038 | // Orphaned section directives are prohibited. That is, the section |
5039 | // directives must appear within the sections construct and must not be |
5040 | // encountered elsewhere in the sections region. |
5041 | if (ParentRegion != OMPD_sections && |
5042 | ParentRegion != OMPD_parallel_sections) { |
5043 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) |
5044 | << (ParentRegion != OMPD_unknown) |
5045 | << getOpenMPDirectiveName(ParentRegion); |
5046 | return true; |
5047 | } |
5048 | return false; |
5049 | } |
5050 | // Allow some constructs (except teams and cancellation constructs) to be |
5051 | // orphaned (they could be used in functions, called from OpenMP regions |
5052 | // with the required preconditions). |
5053 | if (ParentRegion == OMPD_unknown && |
5054 | !isOpenMPNestingTeamsDirective(CurrentRegion) && |
5055 | CurrentRegion != OMPD_cancellation_point && |
5056 | CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_scan) |
5057 | return false; |
5058 | if (CurrentRegion == OMPD_cancellation_point || |
5059 | CurrentRegion == OMPD_cancel) { |
5060 | // OpenMP [2.16, Nesting of Regions] |
5061 | // A cancellation point construct for which construct-type-clause is |
5062 | // taskgroup must be nested inside a task construct. A cancellation |
5063 | // point construct for which construct-type-clause is not taskgroup must |
5064 | // be closely nested inside an OpenMP construct that matches the type |
5065 | // specified in construct-type-clause. |
5066 | // A cancel construct for which construct-type-clause is taskgroup must be |
5067 | // nested inside a task construct. A cancel construct for which |
5068 | // construct-type-clause is not taskgroup must be closely nested inside an |
5069 | // OpenMP construct that matches the type specified in |
5070 | // construct-type-clause. |
5071 | NestingProhibited = |
5072 | !((CancelRegion == OMPD_parallel && |
5073 | (ParentRegion == OMPD_parallel || |
5074 | ParentRegion == OMPD_target_parallel)) || |
5075 | (CancelRegion == OMPD_for && |
5076 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || |
5077 | ParentRegion == OMPD_target_parallel_for || |
5078 | ParentRegion == OMPD_distribute_parallel_for || |
5079 | ParentRegion == OMPD_teams_distribute_parallel_for || |
5080 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || |
5081 | (CancelRegion == OMPD_taskgroup && |
5082 | (ParentRegion == OMPD_task || |
5083 | (SemaRef.getLangOpts().OpenMP >= 50 && |
5084 | (ParentRegion == OMPD_taskloop || |
5085 | ParentRegion == OMPD_master_taskloop || |
5086 | ParentRegion == OMPD_masked_taskloop || |
5087 | ParentRegion == OMPD_parallel_masked_taskloop || |
5088 | ParentRegion == OMPD_parallel_master_taskloop)))) || |
5089 | (CancelRegion == OMPD_sections && |
5090 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || |
5091 | ParentRegion == OMPD_parallel_sections))); |
5092 | OrphanSeen = ParentRegion == OMPD_unknown; |
5093 | } else if (CurrentRegion == OMPD_master || CurrentRegion == OMPD_masked) { |
5094 | // OpenMP 5.1 [2.22, Nesting of Regions] |
5095 | // A masked region may not be closely nested inside a worksharing, loop, |
5096 | // atomic, task, or taskloop region. |
5097 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || |
5098 | isOpenMPGenericLoopDirective(ParentRegion) || |
5099 | isOpenMPTaskingDirective(ParentRegion); |
5100 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { |
5101 | // OpenMP [2.16, Nesting of Regions] |
5102 | // A critical region may not be nested (closely or otherwise) inside a |
5103 | // critical region with the same name. Note that this restriction is not |
5104 | // sufficient to prevent deadlock. |
5105 | SourceLocation PreviousCriticalLoc; |
5106 | bool DeadLock = Stack->hasDirective( |
5107 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, |
5108 | const DeclarationNameInfo &DNI, |
5109 | SourceLocation Loc) { |
5110 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { |
5111 | PreviousCriticalLoc = Loc; |
5112 | return true; |
5113 | } |
5114 | return false; |
5115 | }, |
5116 | false /* skip top directive */); |
5117 | if (DeadLock) { |
5118 | SemaRef.Diag(StartLoc, |
5119 | diag::err_omp_prohibited_region_critical_same_name) |
5120 | << CurrentName.getName(); |
5121 | if (PreviousCriticalLoc.isValid()) |
5122 | SemaRef.Diag(PreviousCriticalLoc, |
5123 | diag::note_omp_previous_critical_region); |
5124 | return true; |
5125 | } |
5126 | } else if (CurrentRegion == OMPD_barrier) { |
5127 | // OpenMP 5.1 [2.22, Nesting of Regions] |
5128 | // A barrier region may not be closely nested inside a worksharing, loop, |
5129 | // task, taskloop, critical, ordered, atomic, or masked region. |
5130 | NestingProhibited = |
5131 | isOpenMPWorksharingDirective(ParentRegion) || |
5132 | isOpenMPGenericLoopDirective(ParentRegion) || |
5133 | isOpenMPTaskingDirective(ParentRegion) || |
5134 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || |
5135 | ParentRegion == OMPD_parallel_master || |
5136 | ParentRegion == OMPD_parallel_masked || |
5137 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; |
5138 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && |
5139 | !isOpenMPParallelDirective(CurrentRegion) && |
5140 | !isOpenMPTeamsDirective(CurrentRegion)) { |
5141 | // OpenMP 5.1 [2.22, Nesting of Regions] |
5142 | // A loop region that binds to a parallel region or a worksharing region |
5143 | // may not be closely nested inside a worksharing, loop, task, taskloop, |
5144 | // critical, ordered, atomic, or masked region. |
5145 | NestingProhibited = |
5146 | isOpenMPWorksharingDirective(ParentRegion) || |
5147 | isOpenMPGenericLoopDirective(ParentRegion) || |
5148 | isOpenMPTaskingDirective(ParentRegion) || |
5149 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || |
5150 | ParentRegion == OMPD_parallel_master || |
5151 | ParentRegion == OMPD_parallel_masked || |
5152 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; |
5153 | Recommend = ShouldBeInParallelRegion; |
5154 | } else if (CurrentRegion == OMPD_ordered) { |
5155 | // OpenMP [2.16, Nesting of Regions] |
5156 | // An ordered region may not be closely nested inside a critical, |
5157 | // atomic, or explicit task region. |
5158 | // An ordered region must be closely nested inside a loop region (or |
5159 | // parallel loop region) with an ordered clause. |
5160 | // OpenMP [2.8.1,simd Construct, Restrictions] |
5161 | // An ordered construct with the simd clause is the only OpenMP construct |
5162 | // that can appear in the simd region. |
5163 | NestingProhibited = ParentRegion == OMPD_critical || |
5164 | isOpenMPTaskingDirective(ParentRegion) || |
5165 | !(isOpenMPSimdDirective(ParentRegion) || |
5166 | Stack->isParentOrderedRegion()); |
5167 | Recommend = ShouldBeInOrderedRegion; |
5168 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { |
5169 | // OpenMP [2.16, Nesting of Regions] |
5170 | // If specified, a teams construct must be contained within a target |
5171 | // construct. |
5172 | NestingProhibited = |
5173 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || |
5174 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && |
5175 | ParentRegion != OMPD_target); |
5176 | OrphanSeen = ParentRegion == OMPD_unknown; |
5177 | Recommend = ShouldBeInTargetRegion; |
5178 | } else if (CurrentRegion == OMPD_scan) { |
5179 | // OpenMP [2.16, Nesting of Regions] |
5180 | // If specified, a teams construct must be contained within a target |
5181 | // construct. |
5182 | NestingProhibited = |
5183 | SemaRef.LangOpts.OpenMP < 50 || |
5184 | (ParentRegion != OMPD_simd && ParentRegion != OMPD_for && |
5185 | ParentRegion != OMPD_for_simd && ParentRegion != OMPD_parallel_for && |
5186 | ParentRegion != OMPD_parallel_for_simd); |
5187 | OrphanSeen = ParentRegion == OMPD_unknown; |
5188 | Recommend = ShouldBeInLoopSimdRegion; |
5189 | } |
5190 | if (!NestingProhibited && |
5191 | !isOpenMPTargetExecutionDirective(CurrentRegion) && |
5192 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && |
5193 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { |
5194 | // OpenMP [5.1, 2.22, Nesting of Regions] |
5195 | // distribute, distribute simd, distribute parallel worksharing-loop, |
5196 | // distribute parallel worksharing-loop SIMD, loop, parallel regions, |
5197 | // including any parallel regions arising from combined constructs, |
5198 | // omp_get_num_teams() regions, and omp_get_team_num() regions are the |
5199 | // only OpenMP regions that may be strictly nested inside the teams |
5200 | // region. |
5201 | // |
5202 | // As an extension, we permit atomic within teams as well. |
5203 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && |
5204 | !isOpenMPDistributeDirective(CurrentRegion) && |
5205 | CurrentRegion != OMPD_loop && |
5206 | !(SemaRef.getLangOpts().OpenMPExtensions && |
5207 | CurrentRegion == OMPD_atomic); |
5208 | Recommend = ShouldBeInParallelRegion; |
5209 | } |
5210 | if (!NestingProhibited && CurrentRegion == OMPD_loop) { |
5211 | // OpenMP [5.1, 2.11.7, loop Construct, Restrictions] |
5212 | // If the bind clause is present on the loop construct and binding is |
5213 | // teams then the corresponding loop region must be strictly nested inside |
5214 | // a teams region. |
5215 | NestingProhibited = BindKind == OMPC_BIND_teams && |
5216 | ParentRegion != OMPD_teams && |
5217 | ParentRegion != OMPD_target_teams; |
5218 | Recommend = ShouldBeInTeamsRegion; |
5219 | } |
5220 | if (!NestingProhibited && |
5221 | isOpenMPNestingDistributeDirective(CurrentRegion)) { |
5222 | // OpenMP 4.5 [2.17 Nesting of Regions] |
5223 | // The region associated with the distribute construct must be strictly |
5224 | // nested inside a teams region |
5225 | NestingProhibited = |
5226 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); |
5227 | Recommend = ShouldBeInTeamsRegion; |
5228 | } |
5229 | if (!NestingProhibited && |
5230 | (isOpenMPTargetExecutionDirective(CurrentRegion) || |
5231 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { |
5232 | // OpenMP 4.5 [2.17 Nesting of Regions] |
5233 | // If a target, target update, target data, target enter data, or |
5234 | // target exit data construct is encountered during execution of a |
5235 | // target region, the behavior is unspecified. |
5236 | NestingProhibited = Stack->hasDirective( |
5237 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, |
5238 | SourceLocation) { |
5239 | if (isOpenMPTargetExecutionDirective(K)) { |
5240 | OffendingRegion = K; |
5241 | return true; |
5242 | } |
5243 | return false; |
5244 | }, |
5245 | false /* don't skip top directive */); |
5246 | CloseNesting = false; |
5247 | } |
5248 | if (NestingProhibited) { |
5249 | if (OrphanSeen) { |
5250 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) |
5251 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; |
5252 | } else { |
5253 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) |
5254 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) |
5255 | << Recommend << getOpenMPDirectiveName(CurrentRegion); |
5256 | } |
5257 | return true; |
5258 | } |
5259 | } |
5260 | return false; |
5261 | } |
5262 | |
5263 | struct Kind2Unsigned { |
5264 | using argument_type = OpenMPDirectiveKind; |
5265 | unsigned operator()(argument_type DK) { return unsigned(DK); } |
5266 | }; |
5267 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, |
5268 | ArrayRef<OMPClause *> Clauses, |
5269 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { |
5270 | bool ErrorFound = false; |
5271 | unsigned NamedModifiersNumber = 0; |
5272 | llvm::IndexedMap<const OMPIfClause *, Kind2Unsigned> FoundNameModifiers; |
5273 | FoundNameModifiers.resize(llvm::omp::Directive_enumSize + 1); |
5274 | SmallVector<SourceLocation, 4> NameModifierLoc; |
5275 | for (const OMPClause *C : Clauses) { |
5276 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { |
5277 | // At most one if clause without a directive-name-modifier can appear on |
5278 | // the directive. |
5279 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); |
5280 | if (FoundNameModifiers[CurNM]) { |
5281 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) |
5282 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) |
5283 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); |
5284 | ErrorFound = true; |
5285 | } else if (CurNM != OMPD_unknown) { |
5286 | NameModifierLoc.push_back(IC->getNameModifierLoc()); |
5287 | ++NamedModifiersNumber; |
5288 | } |
5289 | FoundNameModifiers[CurNM] = IC; |
5290 | if (CurNM == OMPD_unknown) |
5291 | continue; |
5292 | // Check if the specified name modifier is allowed for the current |
5293 | // directive. |
5294 | // At most one if clause with the particular directive-name-modifier can |
5295 | // appear on the directive. |
5296 | if (!llvm::is_contained(AllowedNameModifiers, CurNM)) { |
5297 | S.Diag(IC->getNameModifierLoc(), |
5298 | diag::err_omp_wrong_if_directive_name_modifier) |
5299 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); |
5300 | ErrorFound = true; |
5301 | } |
5302 | } |
5303 | } |
5304 | // If any if clause on the directive includes a directive-name-modifier then |
5305 | // all if clauses on the directive must include a directive-name-modifier. |
5306 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { |
5307 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { |
5308 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), |
5309 | diag::err_omp_no_more_if_clause); |
5310 | } else { |
5311 | std::string Values; |
5312 | std::string Sep(", "); |
5313 | unsigned AllowedCnt = 0; |
5314 | unsigned TotalAllowedNum = |
5315 | AllowedNameModifiers.size() - NamedModifiersNumber; |
5316 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; |
5317 | ++Cnt) { |
5318 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; |
5319 | if (!FoundNameModifiers[NM]) { |
5320 | Values += "'"; |
5321 | Values += getOpenMPDirectiveName(NM); |
5322 | Values += "'"; |
5323 | if (AllowedCnt + 2 == TotalAllowedNum) |
5324 | Values += " or "; |
5325 | else if (AllowedCnt + 1 != TotalAllowedNum) |
5326 | Values += Sep; |
5327 | ++AllowedCnt; |
5328 | } |
5329 | } |
5330 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), |
5331 | diag::err_omp_unnamed_if_clause) |
5332 | << (TotalAllowedNum > 1) << Values; |
5333 | } |
5334 | for (SourceLocation Loc : NameModifierLoc) { |
5335 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); |
5336 | } |
5337 | ErrorFound = true; |
5338 | } |
5339 | return ErrorFound; |
5340 | } |
5341 | |
5342 | static std::pair<ValueDecl *, bool> getPrivateItem(Sema &S, Expr *&RefExpr, |
5343 | SourceLocation &ELoc, |
5344 | SourceRange &ERange, |
5345 | bool AllowArraySection, |
5346 | StringRef DiagType) { |
5347 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || |
5348 | RefExpr->containsUnexpandedParameterPack()) |
5349 | return std::make_pair(nullptr, true); |
5350 | |
5351 | // OpenMP [3.1, C/C++] |
5352 | // A list item is a variable name. |
5353 | // OpenMP [2.9.3.3, Restrictions, p.1] |
5354 | // A variable that is part of another variable (as an array or |
5355 | // structure element) cannot appear in a private clause. |
5356 | RefExpr = RefExpr->IgnoreParens(); |
5357 | enum { |
5358 | NoArrayExpr = -1, |
5359 | ArraySubscript = 0, |
5360 | OMPArraySection = 1 |
5361 | } IsArrayExpr = NoArrayExpr; |
5362 | if (AllowArraySection) { |
5363 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { |
5364 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); |
5365 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) |
5366 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
5367 | RefExpr = Base; |
5368 | IsArrayExpr = ArraySubscript; |
5369 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { |
5370 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); |
5371 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) |
5372 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); |
5373 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) |
5374 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
5375 | RefExpr = Base; |
5376 | IsArrayExpr = OMPArraySection; |
5377 | } |
5378 | } |
5379 | ELoc = RefExpr->getExprLoc(); |
5380 | ERange = RefExpr->getSourceRange(); |
5381 | RefExpr = RefExpr->IgnoreParenImpCasts(); |
5382 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); |
5383 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); |
5384 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && |
5385 | (S.getCurrentThisType().isNull() || !ME || |
5386 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || |
5387 | !isa<FieldDecl>(ME->getMemberDecl()))) { |
5388 | if (IsArrayExpr != NoArrayExpr) { |
5389 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) |
5390 | << IsArrayExpr << ERange; |
5391 | } else if (!DiagType.empty()) { |
5392 | unsigned DiagSelect = S.getLangOpts().CPlusPlus |
5393 | ? (S.getCurrentThisType().isNull() ? 1 : 2) |
5394 | : 0; |
5395 | S.Diag(ELoc, diag::err_omp_expected_var_name_member_expr_with_type) |
5396 | << DiagSelect << DiagType << ERange; |
5397 | } else { |
5398 | S.Diag(ELoc, |
5399 | AllowArraySection |
5400 | ? diag::err_omp_expected_var_name_member_expr_or_array_item |
5401 | : diag::err_omp_expected_var_name_member_expr) |
5402 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; |
5403 | } |
5404 | return std::make_pair(nullptr, false); |
5405 | } |
5406 | return std::make_pair( |
5407 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); |
5408 | } |
5409 | |
5410 | namespace { |
5411 | /// Checks if the allocator is used in uses_allocators clause to be allowed in |
5412 | /// target regions. |
5413 | class AllocatorChecker final : public ConstStmtVisitor<AllocatorChecker, bool> { |
5414 | DSAStackTy *S = nullptr; |
5415 | |
5416 | public: |
5417 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
5418 | return S->isUsesAllocatorsDecl(E->getDecl()) |
5419 | .value_or(DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == |
5420 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait; |
5421 | } |
5422 | bool VisitStmt(const Stmt *S) { |
5423 | for (const Stmt *Child : S->children()) { |
5424 | if (Child && Visit(Child)) |
5425 | return true; |
5426 | } |
5427 | return false; |
5428 | } |
5429 | explicit AllocatorChecker(DSAStackTy *S) : S(S) {} |
5430 | }; |
5431 | } // namespace |
5432 | |
5433 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, |
5434 | ArrayRef<OMPClause *> Clauses) { |
5435 | 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", 5436, __extension__ __PRETTY_FUNCTION__ )) |
5436 | "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", 5436, __extension__ __PRETTY_FUNCTION__ )); |
5437 | auto AllocateRange = |
5438 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); |
5439 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> DeclToCopy; |
5440 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { |
5441 | return isOpenMPPrivate(C->getClauseKind()); |
5442 | }); |
5443 | for (OMPClause *Cl : PrivateRange) { |
5444 | MutableArrayRef<Expr *>::iterator I, It, Et; |
5445 | if (Cl->getClauseKind() == OMPC_private) { |
5446 | auto *PC = cast<OMPPrivateClause>(Cl); |
5447 | I = PC->private_copies().begin(); |
5448 | It = PC->varlist_begin(); |
5449 | Et = PC->varlist_end(); |
5450 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { |
5451 | auto *PC = cast<OMPFirstprivateClause>(Cl); |
5452 | I = PC->private_copies().begin(); |
5453 | It = PC->varlist_begin(); |
5454 | Et = PC->varlist_end(); |
5455 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { |
5456 | auto *PC = cast<OMPLastprivateClause>(Cl); |
5457 | I = PC->private_copies().begin(); |
5458 | It = PC->varlist_begin(); |
5459 | Et = PC->varlist_end(); |
5460 | } else if (Cl->getClauseKind() == OMPC_linear) { |
5461 | auto *PC = cast<OMPLinearClause>(Cl); |
5462 | I = PC->privates().begin(); |
5463 | It = PC->varlist_begin(); |
5464 | Et = PC->varlist_end(); |
5465 | } else if (Cl->getClauseKind() == OMPC_reduction) { |
5466 | auto *PC = cast<OMPReductionClause>(Cl); |
5467 | I = PC->privates().begin(); |
5468 | It = PC->varlist_begin(); |
5469 | Et = PC->varlist_end(); |
5470 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { |
5471 | auto *PC = cast<OMPTaskReductionClause>(Cl); |
5472 | I = PC->privates().begin(); |
5473 | It = PC->varlist_begin(); |
5474 | Et = PC->varlist_end(); |
5475 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { |
5476 | auto *PC = cast<OMPInReductionClause>(Cl); |
5477 | I = PC->privates().begin(); |
5478 | It = PC->varlist_begin(); |
5479 | Et = PC->varlist_end(); |
5480 | } else { |
5481 | llvm_unreachable("Expected private clause.")::llvm::llvm_unreachable_internal("Expected private clause.", "clang/lib/Sema/SemaOpenMP.cpp", 5481); |
5482 | } |
5483 | for (Expr *E : llvm::make_range(It, Et)) { |
5484 | if (!*I) { |
5485 | ++I; |
5486 | continue; |
5487 | } |
5488 | SourceLocation ELoc; |
5489 | SourceRange ERange; |
5490 | Expr *SimpleRefExpr = E; |
5491 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
5492 | /*AllowArraySection=*/true); |
5493 | DeclToCopy.try_emplace(Res.first, |
5494 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); |
5495 | ++I; |
5496 | } |
5497 | } |
5498 | for (OMPClause *C : AllocateRange) { |
5499 | auto *AC = cast<OMPAllocateClause>(C); |
5500 | if (S.getLangOpts().OpenMP >= 50 && |
5501 | !Stack->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>() && |
5502 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
5503 | AC->getAllocator()) { |
5504 | Expr *Allocator = AC->getAllocator(); |
5505 | // OpenMP, 2.12.5 target Construct |
5506 | // Memory allocators that do not appear in a uses_allocators clause cannot |
5507 | // appear as an allocator in an allocate clause or be used in the target |
5508 | // region unless a requires directive with the dynamic_allocators clause |
5509 | // is present in the same compilation unit. |
5510 | AllocatorChecker Checker(Stack); |
5511 | if (Checker.Visit(Allocator)) |
5512 | S.Diag(Allocator->getExprLoc(), |
5513 | diag::err_omp_allocator_not_in_uses_allocators) |
5514 | << Allocator->getSourceRange(); |
5515 | } |
5516 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = |
5517 | getAllocatorKind(S, Stack, AC->getAllocator()); |
5518 | // OpenMP, 2.11.4 allocate Clause, Restrictions. |
5519 | // For task, taskloop or target directives, allocation requests to memory |
5520 | // allocators with the trait access set to thread result in unspecified |
5521 | // behavior. |
5522 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && |
5523 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || |
5524 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { |
5525 | S.Diag(AC->getAllocator()->getExprLoc(), |
5526 | diag::warn_omp_allocate_thread_on_task_target_directive) |
5527 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); |
5528 | } |
5529 | for (Expr *E : AC->varlists()) { |
5530 | SourceLocation ELoc; |
5531 | SourceRange ERange; |
5532 | Expr *SimpleRefExpr = E; |
5533 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); |
5534 | ValueDecl *VD = Res.first; |
5535 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); |
5536 | if (!isOpenMPPrivate(Data.CKind)) { |
5537 | S.Diag(E->getExprLoc(), |
5538 | diag::err_omp_expected_private_copy_for_allocate); |
5539 | continue; |
5540 | } |
5541 | VarDecl *PrivateVD = DeclToCopy[VD]; |
5542 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, |
5543 | AllocatorKind, AC->getAllocator())) |
5544 | continue; |
5545 | // Placeholder until allocate clause supports align modifier. |
5546 | Expr *Alignment = nullptr; |
5547 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), |
5548 | Alignment, E->getSourceRange()); |
5549 | } |
5550 | } |
5551 | } |
5552 | |
5553 | namespace { |
5554 | /// Rewrite statements and expressions for Sema \p Actions CurContext. |
5555 | /// |
5556 | /// Used to wrap already parsed statements/expressions into a new CapturedStmt |
5557 | /// context. DeclRefExpr used inside the new context are changed to refer to the |
5558 | /// captured variable instead. |
5559 | class CaptureVars : public TreeTransform<CaptureVars> { |
5560 | using BaseTransform = TreeTransform<CaptureVars>; |
5561 | |
5562 | public: |
5563 | CaptureVars(Sema &Actions) : BaseTransform(Actions) {} |
5564 | |
5565 | bool AlwaysRebuild() { return true; } |
5566 | }; |
5567 | } // namespace |
5568 | |
5569 | static VarDecl *precomputeExpr(Sema &Actions, |
5570 | SmallVectorImpl<Stmt *> &BodyStmts, Expr *E, |
5571 | StringRef Name) { |
5572 | Expr *NewE = AssertSuccess(CaptureVars(Actions).TransformExpr(E)); |
5573 | VarDecl *NewVar = buildVarDecl(Actions, {}, NewE->getType(), Name, nullptr, |
5574 | dyn_cast<DeclRefExpr>(E->IgnoreImplicit())); |
5575 | auto *NewDeclStmt = cast<DeclStmt>(AssertSuccess( |
5576 | Actions.ActOnDeclStmt(Actions.ConvertDeclToDeclGroup(NewVar), {}, {}))); |
5577 | Actions.AddInitializerToDecl(NewDeclStmt->getSingleDecl(), NewE, false); |
5578 | BodyStmts.push_back(NewDeclStmt); |
5579 | return NewVar; |
5580 | } |
5581 | |
5582 | /// Create a closure that computes the number of iterations of a loop. |
5583 | /// |
5584 | /// \param Actions The Sema object. |
5585 | /// \param LogicalTy Type for the logical iteration number. |
5586 | /// \param Rel Comparison operator of the loop condition. |
5587 | /// \param StartExpr Value of the loop counter at the first iteration. |
5588 | /// \param StopExpr Expression the loop counter is compared against in the loop |
5589 | /// condition. \param StepExpr Amount of increment after each iteration. |
5590 | /// |
5591 | /// \return Closure (CapturedStmt) of the distance calculation. |
5592 | static CapturedStmt *buildDistanceFunc(Sema &Actions, QualType LogicalTy, |
5593 | BinaryOperator::Opcode Rel, |
5594 | Expr *StartExpr, Expr *StopExpr, |
5595 | Expr *StepExpr) { |
5596 | ASTContext &Ctx = Actions.getASTContext(); |
5597 | TypeSourceInfo *LogicalTSI = Ctx.getTrivialTypeSourceInfo(LogicalTy); |
5598 | |
5599 | // Captured regions currently don't support return values, we use an |
5600 | // out-parameter instead. All inputs are implicit captures. |
5601 | // TODO: Instead of capturing each DeclRefExpr occurring in |
5602 | // StartExpr/StopExpr/Step, these could also be passed as a value capture. |
5603 | QualType ResultTy = Ctx.getLValueReferenceType(LogicalTy); |
5604 | Sema::CapturedParamNameType Params[] = {{"Distance", ResultTy}, |
5605 | {StringRef(), QualType()}}; |
5606 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); |
5607 | |
5608 | Stmt *Body; |
5609 | { |
5610 | Sema::CompoundScopeRAII CompoundScope(Actions); |
5611 | CapturedDecl *CS = cast<CapturedDecl>(Actions.CurContext); |
5612 | |
5613 | // Get the LValue expression for the result. |
5614 | ImplicitParamDecl *DistParam = CS->getParam(0); |
5615 | DeclRefExpr *DistRef = Actions.BuildDeclRefExpr( |
5616 | DistParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5617 | |
5618 | SmallVector<Stmt *, 4> BodyStmts; |
5619 | |
5620 | // Capture all referenced variable references. |
5621 | // TODO: Instead of computing NewStart/NewStop/NewStep inside the |
5622 | // CapturedStmt, we could compute them before and capture the result, to be |
5623 | // used jointly with the LoopVar function. |
5624 | VarDecl *NewStart = precomputeExpr(Actions, BodyStmts, StartExpr, ".start"); |
5625 | VarDecl *NewStop = precomputeExpr(Actions, BodyStmts, StopExpr, ".stop"); |
5626 | VarDecl *NewStep = precomputeExpr(Actions, BodyStmts, StepExpr, ".step"); |
5627 | auto BuildVarRef = [&](VarDecl *VD) { |
5628 | return buildDeclRefExpr(Actions, VD, VD->getType(), {}); |
5629 | }; |
5630 | |
5631 | IntegerLiteral *Zero = IntegerLiteral::Create( |
5632 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 0), LogicalTy, {}); |
5633 | IntegerLiteral *One = IntegerLiteral::Create( |
5634 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 1), LogicalTy, {}); |
5635 | Expr *Dist; |
5636 | if (Rel == BO_NE) { |
5637 | // When using a != comparison, the increment can be +1 or -1. This can be |
5638 | // dynamic at runtime, so we need to check for the direction. |
5639 | Expr *IsNegStep = AssertSuccess( |
5640 | Actions.BuildBinOp(nullptr, {}, BO_LT, BuildVarRef(NewStep), Zero)); |
5641 | |
5642 | // Positive increment. |
5643 | Expr *ForwardRange = AssertSuccess(Actions.BuildBinOp( |
5644 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); |
5645 | ForwardRange = AssertSuccess( |
5646 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, ForwardRange)); |
5647 | Expr *ForwardDist = AssertSuccess(Actions.BuildBinOp( |
5648 | nullptr, {}, BO_Div, ForwardRange, BuildVarRef(NewStep))); |
5649 | |
5650 | // Negative increment. |
5651 | Expr *BackwardRange = AssertSuccess(Actions.BuildBinOp( |
5652 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5653 | BackwardRange = AssertSuccess( |
5654 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, BackwardRange)); |
5655 | Expr *NegIncAmount = AssertSuccess( |
5656 | Actions.BuildUnaryOp(nullptr, {}, UO_Minus, BuildVarRef(NewStep))); |
5657 | Expr *BackwardDist = AssertSuccess( |
5658 | Actions.BuildBinOp(nullptr, {}, BO_Div, BackwardRange, NegIncAmount)); |
5659 | |
5660 | // Use the appropriate case. |
5661 | Dist = AssertSuccess(Actions.ActOnConditionalOp( |
5662 | {}, {}, IsNegStep, BackwardDist, ForwardDist)); |
5663 | } else { |
5664 | 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", 5665, __extension__ __PRETTY_FUNCTION__ )) |
5665 | "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", 5665, __extension__ __PRETTY_FUNCTION__ )); |
5666 | |
5667 | // We can derive the direction from any other comparison operator. It is |
5668 | // non well-formed OpenMP if Step increments/decrements in the other |
5669 | // directions. Whether at least the first iteration passes the loop |
5670 | // condition. |
5671 | Expr *HasAnyIteration = AssertSuccess(Actions.BuildBinOp( |
5672 | nullptr, {}, Rel, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5673 | |
5674 | // Compute the range between first and last counter value. |
5675 | Expr *Range; |
5676 | if (Rel == BO_GE || Rel == BO_GT) |
5677 | Range = AssertSuccess(Actions.BuildBinOp( |
5678 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5679 | else |
5680 | Range = AssertSuccess(Actions.BuildBinOp( |
5681 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); |
5682 | |
5683 | // Ensure unsigned range space. |
5684 | Range = |
5685 | AssertSuccess(Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, Range)); |
5686 | |
5687 | if (Rel == BO_LE || Rel == BO_GE) { |
5688 | // Add one to the range if the relational operator is inclusive. |
5689 | Range = |
5690 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Add, Range, One)); |
5691 | } |
5692 | |
5693 | // Divide by the absolute step amount. If the range is not a multiple of |
5694 | // the step size, rounding-up the effective upper bound ensures that the |
5695 | // last iteration is included. |
5696 | // Note that the rounding-up may cause an overflow in a temporry that |
5697 | // could be avoided, but would have occurred in a C-style for-loop as well. |
5698 | Expr *Divisor = BuildVarRef(NewStep); |
5699 | if (Rel == BO_GE || Rel == BO_GT) |
5700 | Divisor = |
5701 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Minus, Divisor)); |
5702 | Expr *DivisorMinusOne = |
5703 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Sub, Divisor, One)); |
5704 | Expr *RangeRoundUp = AssertSuccess( |
5705 | Actions.BuildBinOp(nullptr, {}, BO_Add, Range, DivisorMinusOne)); |
5706 | Dist = AssertSuccess( |
5707 | Actions.BuildBinOp(nullptr, {}, BO_Div, RangeRoundUp, Divisor)); |
5708 | |
5709 | // If there is not at least one iteration, the range contains garbage. Fix |
5710 | // to zero in this case. |
5711 | Dist = AssertSuccess( |
5712 | Actions.ActOnConditionalOp({}, {}, HasAnyIteration, Dist, Zero)); |
5713 | } |
5714 | |
5715 | // Assign the result to the out-parameter. |
5716 | Stmt *ResultAssign = AssertSuccess(Actions.BuildBinOp( |
5717 | Actions.getCurScope(), {}, BO_Assign, DistRef, Dist)); |
5718 | BodyStmts.push_back(ResultAssign); |
5719 | |
5720 | Body = AssertSuccess(Actions.ActOnCompoundStmt({}, {}, BodyStmts, false)); |
5721 | } |
5722 | |
5723 | return cast<CapturedStmt>( |
5724 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); |
5725 | } |
5726 | |
5727 | /// Create a closure that computes the loop variable from the logical iteration |
5728 | /// number. |
5729 | /// |
5730 | /// \param Actions The Sema object. |
5731 | /// \param LoopVarTy Type for the loop variable used for result value. |
5732 | /// \param LogicalTy Type for the logical iteration number. |
5733 | /// \param StartExpr Value of the loop counter at the first iteration. |
5734 | /// \param Step Amount of increment after each iteration. |
5735 | /// \param Deref Whether the loop variable is a dereference of the loop |
5736 | /// counter variable. |
5737 | /// |
5738 | /// \return Closure (CapturedStmt) of the loop value calculation. |
5739 | static CapturedStmt *buildLoopVarFunc(Sema &Actions, QualType LoopVarTy, |
5740 | QualType LogicalTy, |
5741 | DeclRefExpr *StartExpr, Expr *Step, |
5742 | bool Deref) { |
5743 | ASTContext &Ctx = Actions.getASTContext(); |
5744 | |
5745 | // Pass the result as an out-parameter. Passing as return value would require |
5746 | // the OpenMPIRBuilder to know additional C/C++ semantics, such as how to |
5747 | // invoke a copy constructor. |
5748 | QualType TargetParamTy = Ctx.getLValueReferenceType(LoopVarTy); |
5749 | Sema::CapturedParamNameType Params[] = {{"LoopVar", TargetParamTy}, |
5750 | {"Logical", LogicalTy}, |
5751 | {StringRef(), QualType()}}; |
5752 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); |
5753 | |
5754 | // Capture the initial iterator which represents the LoopVar value at the |
5755 | // zero's logical iteration. Since the original ForStmt/CXXForRangeStmt update |
5756 | // it in every iteration, capture it by value before it is modified. |
5757 | VarDecl *StartVar = cast<VarDecl>(StartExpr->getDecl()); |
5758 | bool Invalid = Actions.tryCaptureVariable(StartVar, {}, |
5759 | Sema::TryCapture_ExplicitByVal, {}); |
5760 | (void)Invalid; |
5761 | 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", 5761, __extension__ __PRETTY_FUNCTION__ )); |
5762 | |
5763 | Expr *Body; |
5764 | { |
5765 | Sema::CompoundScopeRAII CompoundScope(Actions); |
5766 | auto *CS = cast<CapturedDecl>(Actions.CurContext); |
5767 | |
5768 | ImplicitParamDecl *TargetParam = CS->getParam(0); |
5769 | DeclRefExpr *TargetRef = Actions.BuildDeclRefExpr( |
5770 | TargetParam, LoopVarTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5771 | ImplicitParamDecl *IndvarParam = CS->getParam(1); |
5772 | DeclRefExpr *LogicalRef = Actions.BuildDeclRefExpr( |
5773 | IndvarParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5774 | |
5775 | // Capture the Start expression. |
5776 | CaptureVars Recap(Actions); |
5777 | Expr *NewStart = AssertSuccess(Recap.TransformExpr(StartExpr)); |
5778 | Expr *NewStep = AssertSuccess(Recap.TransformExpr(Step)); |
5779 | |
5780 | Expr *Skip = AssertSuccess( |
5781 | Actions.BuildBinOp(nullptr, {}, BO_Mul, NewStep, LogicalRef)); |
5782 | // TODO: Explicitly cast to the iterator's difference_type instead of |
5783 | // relying on implicit conversion. |
5784 | Expr *Advanced = |
5785 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Add, NewStart, Skip)); |
5786 | |
5787 | if (Deref) { |
5788 | // For range-based for-loops convert the loop counter value to a concrete |
5789 | // loop variable value by dereferencing the iterator. |
5790 | Advanced = |
5791 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Deref, Advanced)); |
5792 | } |
5793 | |
5794 | // Assign the result to the output parameter. |
5795 | Body = AssertSuccess(Actions.BuildBinOp(Actions.getCurScope(), {}, |
5796 | BO_Assign, TargetRef, Advanced)); |
5797 | } |
5798 | return cast<CapturedStmt>( |
5799 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); |
5800 | } |
5801 | |
5802 | StmtResult Sema::ActOnOpenMPCanonicalLoop(Stmt *AStmt) { |
5803 | ASTContext &Ctx = getASTContext(); |
5804 | |
5805 | // Extract the common elements of ForStmt and CXXForRangeStmt: |
5806 | // Loop variable, repeat condition, increment |
5807 | Expr *Cond, *Inc; |
5808 | VarDecl *LIVDecl, *LUVDecl; |
5809 | if (auto *For = dyn_cast<ForStmt>(AStmt)) { |
5810 | Stmt *Init = For->getInit(); |
5811 | if (auto *LCVarDeclStmt = dyn_cast<DeclStmt>(Init)) { |
5812 | // For statement declares loop variable. |
5813 | LIVDecl = cast<VarDecl>(LCVarDeclStmt->getSingleDecl()); |
5814 | } else if (auto *LCAssign = dyn_cast<BinaryOperator>(Init)) { |
5815 | // For statement reuses variable. |
5816 | 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", 5817, __extension__ __PRETTY_FUNCTION__ )) |
5817 | "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", 5817, __extension__ __PRETTY_FUNCTION__ )); |
5818 | auto *CounterRef = cast<DeclRefExpr>(LCAssign->getLHS()); |
5819 | LIVDecl = cast<VarDecl>(CounterRef->getDecl()); |
5820 | } else |
5821 | llvm_unreachable("Cannot determine loop variable")::llvm::llvm_unreachable_internal("Cannot determine loop variable" , "clang/lib/Sema/SemaOpenMP.cpp", 5821); |
5822 | LUVDecl = LIVDecl; |
5823 | |
5824 | Cond = For->getCond(); |
5825 | Inc = For->getInc(); |
5826 | } else if (auto *RangeFor = dyn_cast<CXXForRangeStmt>(AStmt)) { |
5827 | DeclStmt *BeginStmt = RangeFor->getBeginStmt(); |
5828 | LIVDecl = cast<VarDecl>(BeginStmt->getSingleDecl()); |
5829 | LUVDecl = RangeFor->getLoopVariable(); |
5830 | |
5831 | Cond = RangeFor->getCond(); |
5832 | Inc = RangeFor->getInc(); |
5833 | } else |
5834 | llvm_unreachable("unhandled kind of loop")::llvm::llvm_unreachable_internal("unhandled kind of loop", "clang/lib/Sema/SemaOpenMP.cpp" , 5834); |
5835 | |
5836 | QualType CounterTy = LIVDecl->getType(); |
5837 | QualType LVTy = LUVDecl->getType(); |
5838 | |
5839 | // Analyze the loop condition. |
5840 | Expr *LHS, *RHS; |
5841 | BinaryOperator::Opcode CondRel; |
5842 | Cond = Cond->IgnoreImplicit(); |
5843 | if (auto *CondBinExpr = dyn_cast<BinaryOperator>(Cond)) { |
5844 | LHS = CondBinExpr->getLHS(); |
5845 | RHS = CondBinExpr->getRHS(); |
5846 | CondRel = CondBinExpr->getOpcode(); |
5847 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Cond)) { |
5848 | 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", 5848, __extension__ __PRETTY_FUNCTION__ )); |
5849 | LHS = CondCXXOp->getArg(0); |
5850 | RHS = CondCXXOp->getArg(1); |
5851 | switch (CondCXXOp->getOperator()) { |
5852 | case OO_ExclaimEqual: |
5853 | CondRel = BO_NE; |
5854 | break; |
5855 | case OO_Less: |
5856 | CondRel = BO_LT; |
5857 | break; |
5858 | case OO_LessEqual: |
5859 | CondRel = BO_LE; |
5860 | break; |
5861 | case OO_Greater: |
5862 | CondRel = BO_GT; |
5863 | break; |
5864 | case OO_GreaterEqual: |
5865 | CondRel = BO_GE; |
5866 | break; |
5867 | default: |
5868 | llvm_unreachable("unexpected iterator operator")::llvm::llvm_unreachable_internal("unexpected iterator operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5868); |
5869 | } |
5870 | } else |
5871 | llvm_unreachable("unexpected loop condition")::llvm::llvm_unreachable_internal("unexpected loop condition" , "clang/lib/Sema/SemaOpenMP.cpp", 5871); |
5872 | |
5873 | // Normalize such that the loop counter is on the LHS. |
5874 | if (!isa<DeclRefExpr>(LHS->IgnoreImplicit()) || |
5875 | cast<DeclRefExpr>(LHS->IgnoreImplicit())->getDecl() != LIVDecl) { |
5876 | std::swap(LHS, RHS); |
5877 | CondRel = BinaryOperator::reverseComparisonOp(CondRel); |
5878 | } |
5879 | auto *CounterRef = cast<DeclRefExpr>(LHS->IgnoreImplicit()); |
5880 | |
5881 | // Decide the bit width for the logical iteration counter. By default use the |
5882 | // unsigned ptrdiff_t integer size (for iterators and pointers). |
5883 | // TODO: For iterators, use iterator::difference_type, |
5884 | // std::iterator_traits<>::difference_type or decltype(it - end). |
5885 | QualType LogicalTy = Ctx.getUnsignedPointerDiffType(); |
5886 | if (CounterTy->isIntegerType()) { |
5887 | unsigned BitWidth = Ctx.getIntWidth(CounterTy); |
5888 | LogicalTy = Ctx.getIntTypeForBitwidth(BitWidth, false); |
5889 | } |
5890 | |
5891 | // Analyze the loop increment. |
5892 | Expr *Step; |
5893 | if (auto *IncUn = dyn_cast<UnaryOperator>(Inc)) { |
5894 | int Direction; |
5895 | switch (IncUn->getOpcode()) { |
5896 | case UO_PreInc: |
5897 | case UO_PostInc: |
5898 | Direction = 1; |
5899 | break; |
5900 | case UO_PreDec: |
5901 | case UO_PostDec: |
5902 | Direction = -1; |
5903 | break; |
5904 | default: |
5905 | llvm_unreachable("unhandled unary increment operator")::llvm::llvm_unreachable_internal("unhandled unary increment operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5905); |
5906 | } |
5907 | Step = IntegerLiteral::Create( |
5908 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), Direction), LogicalTy, {}); |
5909 | } else if (auto *IncBin = dyn_cast<BinaryOperator>(Inc)) { |
5910 | if (IncBin->getOpcode() == BO_AddAssign) { |
5911 | Step = IncBin->getRHS(); |
5912 | } else if (IncBin->getOpcode() == BO_SubAssign) { |
5913 | Step = |
5914 | AssertSuccess(BuildUnaryOp(nullptr, {}, UO_Minus, IncBin->getRHS())); |
5915 | } else |
5916 | llvm_unreachable("unhandled binary increment operator")::llvm::llvm_unreachable_internal("unhandled binary increment operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5916); |
5917 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Inc)) { |
5918 | switch (CondCXXOp->getOperator()) { |
5919 | case OO_PlusPlus: |
5920 | Step = IntegerLiteral::Create( |
5921 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 1), LogicalTy, {}); |
5922 | break; |
5923 | case OO_MinusMinus: |
5924 | Step = IntegerLiteral::Create( |
5925 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), -1), LogicalTy, {}); |
5926 | break; |
5927 | case OO_PlusEqual: |
5928 | Step = CondCXXOp->getArg(1); |
5929 | break; |
5930 | case OO_MinusEqual: |
5931 | Step = AssertSuccess( |
5932 | BuildUnaryOp(nullptr, {}, UO_Minus, CondCXXOp->getArg(1))); |
5933 | break; |
5934 | default: |
5935 | llvm_unreachable("unhandled overloaded increment operator")::llvm::llvm_unreachable_internal("unhandled overloaded increment operator" , "clang/lib/Sema/SemaOpenMP.cpp", 5935); |
5936 | } |
5937 | } else |
5938 | llvm_unreachable("unknown increment expression")::llvm::llvm_unreachable_internal("unknown increment expression" , "clang/lib/Sema/SemaOpenMP.cpp", 5938); |
5939 | |
5940 | CapturedStmt *DistanceFunc = |
5941 | buildDistanceFunc(*this, LogicalTy, CondRel, LHS, RHS, Step); |
5942 | CapturedStmt *LoopVarFunc = buildLoopVarFunc( |
5943 | *this, LVTy, LogicalTy, CounterRef, Step, isa<CXXForRangeStmt>(AStmt)); |
5944 | DeclRefExpr *LVRef = BuildDeclRefExpr(LUVDecl, LUVDecl->getType(), VK_LValue, |
5945 | {}, nullptr, nullptr, {}, nullptr); |
5946 | return OMPCanonicalLoop::create(getASTContext(), AStmt, DistanceFunc, |
5947 | LoopVarFunc, LVRef); |
5948 | } |
5949 | |
5950 | StmtResult Sema::ActOnOpenMPLoopnest(Stmt *AStmt) { |
5951 | // Handle a literal loop. |
5952 | if (isa<ForStmt>(AStmt) || isa<CXXForRangeStmt>(AStmt)) |
5953 | return ActOnOpenMPCanonicalLoop(AStmt); |
5954 | |
5955 | // If not a literal loop, it must be the result of a loop transformation. |
5956 | OMPExecutableDirective *LoopTransform = cast<OMPExecutableDirective>(AStmt); |
5957 | 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", 5959, __extension__ __PRETTY_FUNCTION__ )) |
5958 | 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", 5959, __extension__ __PRETTY_FUNCTION__ )) |
5959 | "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", 5959, __extension__ __PRETTY_FUNCTION__ )); |
5960 | return LoopTransform; |
5961 | } |
5962 | |
5963 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, |
5964 | CXXScopeSpec &MapperIdScopeSpec, |
5965 | const DeclarationNameInfo &MapperId, |
5966 | QualType Type, |
5967 | Expr *UnresolvedMapper); |
5968 | |
5969 | /// Perform DFS through the structure/class data members trying to find |
5970 | /// member(s) with user-defined 'default' mapper and generate implicit map |
5971 | /// clauses for such members with the found 'default' mapper. |
5972 | static void |
5973 | processImplicitMapsWithDefaultMappers(Sema &S, DSAStackTy *Stack, |
5974 | SmallVectorImpl<OMPClause *> &Clauses) { |
5975 | // Check for the deault mapper for data members. |
5976 | if (S.getLangOpts().OpenMP < 50) |
5977 | return; |
5978 | SmallVector<OMPClause *, 4> ImplicitMaps; |
5979 | for (int Cnt = 0, EndCnt = Clauses.size(); Cnt < EndCnt; ++Cnt) { |
5980 | auto *C = dyn_cast<OMPMapClause>(Clauses[Cnt]); |
5981 | if (!C) |
5982 | continue; |
5983 | SmallVector<Expr *, 4> SubExprs; |
5984 | auto *MI = C->mapperlist_begin(); |
5985 | for (auto I = C->varlist_begin(), End = C->varlist_end(); I != End; |
5986 | ++I, ++MI) { |
5987 | // Expression is mapped using mapper - skip it. |
5988 | if (*MI) |
5989 | continue; |
5990 | Expr *E = *I; |
5991 | // Expression is dependent - skip it, build the mapper when it gets |
5992 | // instantiated. |
5993 | if (E->isTypeDependent() || E->isValueDependent() || |
5994 | E->containsUnexpandedParameterPack()) |
5995 | continue; |
5996 | // Array section - need to check for the mapping of the array section |
5997 | // element. |
5998 | QualType CanonType = E->getType().getCanonicalType(); |
5999 | if (CanonType->isSpecificBuiltinType(BuiltinType::OMPArraySection)) { |
6000 | const auto *OASE = cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts()); |
6001 | QualType BaseType = |
6002 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
6003 | QualType ElemType; |
6004 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
6005 | ElemType = ATy->getElementType(); |
6006 | else |
6007 | ElemType = BaseType->getPointeeType(); |
6008 | CanonType = ElemType; |
6009 | } |
6010 | |
6011 | // DFS over data members in structures/classes. |
6012 | SmallVector<std::pair<QualType, FieldDecl *>, 4> Types( |
6013 | 1, {CanonType, nullptr}); |
6014 | llvm::DenseMap<const Type *, Expr *> Visited; |
6015 | SmallVector<std::pair<FieldDecl *, unsigned>, 4> ParentChain( |
6016 | 1, {nullptr, 1}); |
6017 | while (!Types.empty()) { |
6018 | QualType BaseType; |
6019 | FieldDecl *CurFD; |
6020 | std::tie(BaseType, CurFD) = Types.pop_back_val(); |
6021 | while (ParentChain.back().second == 0) |
6022 | ParentChain.pop_back(); |
6023 | --ParentChain.back().second; |
6024 | if (BaseType.isNull()) |
6025 | continue; |
6026 | // Only structs/classes are allowed to have mappers. |
6027 | const RecordDecl *RD = BaseType.getCanonicalType()->getAsRecordDecl(); |
6028 | if (!RD) |
6029 | continue; |
6030 | auto It = Visited.find(BaseType.getTypePtr()); |
6031 | if (It == Visited.end()) { |
6032 | // Try to find the associated user-defined mapper. |
6033 | CXXScopeSpec MapperIdScopeSpec; |
6034 | DeclarationNameInfo DefaultMapperId; |
6035 | DefaultMapperId.setName(S.Context.DeclarationNames.getIdentifier( |
6036 | &S.Context.Idents.get("default"))); |
6037 | DefaultMapperId.setLoc(E->getExprLoc()); |
6038 | ExprResult ER = buildUserDefinedMapperRef( |
6039 | S, Stack->getCurScope(), MapperIdScopeSpec, DefaultMapperId, |
6040 | BaseType, /*UnresolvedMapper=*/nullptr); |
6041 | if (ER.isInvalid()) |
6042 | continue; |
6043 | It = Visited.try_emplace(BaseType.getTypePtr(), ER.get()).first; |
6044 | } |
6045 | // Found default mapper. |
6046 | if (It->second) { |
6047 | auto *OE = new (S.Context) OpaqueValueExpr(E->getExprLoc(), CanonType, |
6048 | VK_LValue, OK_Ordinary, E); |
6049 | OE->setIsUnique(/*V=*/true); |
6050 | Expr *BaseExpr = OE; |
6051 | for (const auto &P : ParentChain) { |
6052 | if (P.first) { |
6053 | BaseExpr = S.BuildMemberExpr( |
6054 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), |
6055 | NestedNameSpecifierLoc(), SourceLocation(), P.first, |
6056 | DeclAccessPair::make(P.first, P.first->getAccess()), |
6057 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), |
6058 | P.first->getType(), VK_LValue, OK_Ordinary); |
6059 | BaseExpr = S.DefaultLvalueConversion(BaseExpr).get(); |
6060 | } |
6061 | } |
6062 | if (CurFD) |
6063 | BaseExpr = S.BuildMemberExpr( |
6064 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), |
6065 | NestedNameSpecifierLoc(), SourceLocation(), CurFD, |
6066 | DeclAccessPair::make(CurFD, CurFD->getAccess()), |
6067 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), |
6068 | CurFD->getType(), VK_LValue, OK_Ordinary); |
6069 | SubExprs.push_back(BaseExpr); |
6070 | continue; |
6071 | } |
6072 | // Check for the "default" mapper for data members. |
6073 | bool FirstIter = true; |
6074 | for (FieldDecl *FD : RD->fields()) { |
6075 | if (!FD) |
6076 | continue; |
6077 | QualType FieldTy = FD->getType(); |
6078 | if (FieldTy.isNull() || |
6079 | !(FieldTy->isStructureOrClassType() || FieldTy->isUnionType())) |
6080 | continue; |
6081 | if (FirstIter) { |
6082 | FirstIter = false; |
6083 | ParentChain.emplace_back(CurFD, 1); |
6084 | } else { |
6085 | ++ParentChain.back().second; |
6086 | } |
6087 | Types.emplace_back(FieldTy, FD); |
6088 | } |
6089 | } |
6090 | } |
6091 | if (SubExprs.empty()) |
6092 | continue; |
6093 | CXXScopeSpec MapperIdScopeSpec; |
6094 | DeclarationNameInfo MapperId; |
6095 | if (OMPClause *NewClause = S.ActOnOpenMPMapClause( |
6096 | nullptr, C->getMapTypeModifiers(), C->getMapTypeModifiersLoc(), |
6097 | MapperIdScopeSpec, MapperId, C->getMapType(), |
6098 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), |
6099 | SubExprs, OMPVarListLocTy())) |
6100 | Clauses.push_back(NewClause); |
6101 | } |
6102 | } |
6103 | |
6104 | StmtResult Sema::ActOnOpenMPExecutableDirective( |
6105 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, |
6106 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, |
6107 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { |
6108 | StmtResult Res = StmtError(); |
6109 | OpenMPBindClauseKind BindKind = OMPC_BIND_unknown; |
6110 | if (const OMPBindClause *BC = |
6111 | OMPExecutableDirective::getSingleClause<OMPBindClause>(Clauses)) |
6112 | BindKind = BC->getBindKind(); |
6113 | // First check CancelRegion which is then used in checkNestingOfRegions. |
6114 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || |
6115 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, |
6116 | BindKind, StartLoc)) |
6117 | return StmtError(); |
6118 | |
6119 | // Report affected OpenMP target offloading behavior when in HIP lang-mode. |
6120 | if (getLangOpts().HIP && (isOpenMPTargetExecutionDirective(Kind) || |
6121 | isOpenMPTargetDataManagementDirective(Kind))) |
6122 | Diag(StartLoc, diag::warn_hip_omp_target_directives); |
6123 | |
6124 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; |
6125 | VarsWithInheritedDSAType VarsWithInheritedDSA; |
6126 | bool ErrorFound = false; |
6127 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); |
6128 | if (AStmt && !CurContext->isDependentContext() && Kind != OMPD_atomic && |
6129 | Kind != OMPD_critical && Kind != OMPD_section && Kind != OMPD_master && |
6130 | Kind != OMPD_masked && !isOpenMPLoopTransformationDirective(Kind)) { |
6131 | 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", 6131, __extension__ __PRETTY_FUNCTION__ )); |
6132 | |
6133 | // Check default data sharing attributes for referenced variables. |
6134 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); |
6135 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); |
6136 | Stmt *S = AStmt; |
6137 | while (--ThisCaptureLevel >= 0) |
6138 | S = cast<CapturedStmt>(S)->getCapturedStmt(); |
6139 | DSAChecker.Visit(S); |
6140 | if (!isOpenMPTargetDataManagementDirective(Kind) && |
6141 | !isOpenMPTaskingDirective(Kind)) { |
6142 | // Visit subcaptures to generate implicit clauses for captured vars. |
6143 | auto *CS = cast<CapturedStmt>(AStmt); |
6144 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
6145 | getOpenMPCaptureRegions(CaptureRegions, Kind); |
6146 | // Ignore outer tasking regions for target directives. |
6147 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) |
6148 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
6149 | DSAChecker.visitSubCaptures(CS); |
6150 | } |
6151 | if (DSAChecker.isErrorFound()) |
6152 | return StmtError(); |
6153 | // Generate list of implicitly defined firstprivate variables. |
6154 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); |
6155 | |
6156 | SmallVector<Expr *, 4> ImplicitFirstprivates( |
6157 | DSAChecker.getImplicitFirstprivate().begin(), |
6158 | DSAChecker.getImplicitFirstprivate().end()); |
6159 | SmallVector<Expr *, 4> ImplicitPrivates( |
6160 | DSAChecker.getImplicitPrivate().begin(), |
6161 | DSAChecker.getImplicitPrivate().end()); |
6162 | const unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; |
6163 | SmallVector<Expr *, 4> ImplicitMaps[DefaultmapKindNum][OMPC_MAP_delete]; |
6164 | SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> |
6165 | ImplicitMapModifiers[DefaultmapKindNum]; |
6166 | SmallVector<SourceLocation, NumberOfOMPMapClauseModifiers> |
6167 | ImplicitMapModifiersLoc[DefaultmapKindNum]; |
6168 | // Get the original location of present modifier from Defaultmap clause. |
6169 | SourceLocation PresentModifierLocs[DefaultmapKindNum]; |
6170 | for (OMPClause *C : Clauses) { |
6171 | if (auto *DMC = dyn_cast<OMPDefaultmapClause>(C)) |
6172 | if (DMC->getDefaultmapModifier() == OMPC_DEFAULTMAP_MODIFIER_present) |
6173 | PresentModifierLocs[DMC->getDefaultmapKind()] = |
6174 | DMC->getDefaultmapModifierLoc(); |
6175 | } |
6176 | for (unsigned VC = 0; VC < DefaultmapKindNum; ++VC) { |
6177 | auto Kind = static_cast<OpenMPDefaultmapClauseKind>(VC); |
6178 | for (unsigned I = 0; I < OMPC_MAP_delete; ++I) { |
6179 | ArrayRef<Expr *> ImplicitMap = DSAChecker.getImplicitMap( |
6180 | Kind, static_cast<OpenMPMapClauseKind>(I)); |
6181 | ImplicitMaps[VC][I].append(ImplicitMap.begin(), ImplicitMap.end()); |
6182 | } |
6183 | ArrayRef<OpenMPMapModifierKind> ImplicitModifier = |
6184 | DSAChecker.getImplicitMapModifier(Kind); |
6185 | ImplicitMapModifiers[VC].append(ImplicitModifier.begin(), |
6186 | ImplicitModifier.end()); |
6187 | std::fill_n(std::back_inserter(ImplicitMapModifiersLoc[VC]), |
6188 | ImplicitModifier.size(), PresentModifierLocs[VC]); |
6189 | } |
6190 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. |
6191 | for (OMPClause *C : Clauses) { |
6192 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { |
6193 | for (Expr *E : IRC->taskgroup_descriptors()) |
6194 | if (E) |
6195 | ImplicitFirstprivates.emplace_back(E); |
6196 | } |
6197 | // OpenMP 5.0, 2.10.1 task Construct |
6198 | // [detach clause]... The event-handle will be considered as if it was |
6199 | // specified on a firstprivate clause. |
6200 | if (auto *DC = dyn_cast<OMPDetachClause>(C)) |
6201 | ImplicitFirstprivates.push_back(DC->getEventHandler()); |
6202 | } |
6203 | if (!ImplicitFirstprivates.empty()) { |
6204 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( |
6205 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), |
6206 | SourceLocation())) { |
6207 | ClausesWithImplicit.push_back(Implicit); |
6208 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != |
6209 | ImplicitFirstprivates.size(); |
6210 | } else { |
6211 | ErrorFound = true; |
6212 | } |
6213 | } |
6214 | if (!ImplicitPrivates.empty()) { |
6215 | if (OMPClause *Implicit = |
6216 | ActOnOpenMPPrivateClause(ImplicitPrivates, SourceLocation(), |
6217 | SourceLocation(), SourceLocation())) { |
6218 | ClausesWithImplicit.push_back(Implicit); |
6219 | ErrorFound = cast<OMPPrivateClause>(Implicit)->varlist_size() != |
6220 | ImplicitPrivates.size(); |
6221 | } else { |
6222 | ErrorFound = true; |
6223 | } |
6224 | } |
6225 | // OpenMP 5.0 [2.19.7] |
6226 | // If a list item appears in a reduction, lastprivate or linear |
6227 | // clause on a combined target construct then it is treated as |
6228 | // if it also appears in a map clause with a map-type of tofrom |
6229 | if (getLangOpts().OpenMP >= 50 && Kind != OMPD_target && |
6230 | isOpenMPTargetExecutionDirective(Kind)) { |
6231 | SmallVector<Expr *, 4> ImplicitExprs; |
6232 | for (OMPClause *C : Clauses) { |
6233 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) |
6234 | for (Expr *E : RC->varlists()) |
6235 | if (!isa<DeclRefExpr>(E->IgnoreParenImpCasts())) |
6236 | ImplicitExprs.emplace_back(E); |
6237 | } |
6238 | if (!ImplicitExprs.empty()) { |
6239 | ArrayRef<Expr *> Exprs = ImplicitExprs; |
6240 | CXXScopeSpec MapperIdScopeSpec; |
6241 | DeclarationNameInfo MapperId; |
6242 | if (OMPClause *Implicit = ActOnOpenMPMapClause( |
6243 | nullptr, OMPC_MAP_MODIFIER_unknown, SourceLocation(), |
6244 | MapperIdScopeSpec, MapperId, OMPC_MAP_tofrom, |
6245 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), |
6246 | Exprs, OMPVarListLocTy(), /*NoDiagnose=*/true)) |
6247 | ClausesWithImplicit.emplace_back(Implicit); |
6248 | } |
6249 | } |
6250 | for (unsigned I = 0, E = DefaultmapKindNum; I < E; ++I) { |
6251 | int ClauseKindCnt = -1; |
6252 | for (ArrayRef<Expr *> ImplicitMap : ImplicitMaps[I]) { |
6253 | ++ClauseKindCnt; |
6254 | if (ImplicitMap.empty()) |
6255 | continue; |
6256 | CXXScopeSpec MapperIdScopeSpec; |
6257 | DeclarationNameInfo MapperId; |
6258 | auto Kind = static_cast<OpenMPMapClauseKind>(ClauseKindCnt); |
6259 | if (OMPClause *Implicit = ActOnOpenMPMapClause( |
6260 | nullptr, ImplicitMapModifiers[I], ImplicitMapModifiersLoc[I], |
6261 | MapperIdScopeSpec, MapperId, Kind, /*IsMapTypeImplicit=*/true, |
6262 | SourceLocation(), SourceLocation(), ImplicitMap, |
6263 | OMPVarListLocTy())) { |
6264 | ClausesWithImplicit.emplace_back(Implicit); |
6265 | ErrorFound |= cast<OMPMapClause>(Implicit)->varlist_size() != |
6266 | ImplicitMap.size(); |
6267 | } else { |
6268 | ErrorFound = true; |
6269 | } |
6270 | } |
6271 | } |
6272 | // Build expressions for implicit maps of data members with 'default' |
6273 | // mappers. |
6274 | if (LangOpts.OpenMP >= 50) |
6275 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
6276 | ClausesWithImplicit); |
6277 | } |
6278 | |
6279 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; |
6280 | switch (Kind) { |
6281 | case OMPD_parallel: |
6282 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, |
6283 | EndLoc); |
6284 | AllowedNameModifiers.push_back(OMPD_parallel); |
6285 | break; |
6286 | case OMPD_simd: |
6287 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, |
6288 | VarsWithInheritedDSA); |
6289 | if (LangOpts.OpenMP >= 50) |
6290 | AllowedNameModifiers.push_back(OMPD_simd); |
6291 | break; |
6292 | case OMPD_tile: |
6293 | Res = |
6294 | ActOnOpenMPTileDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
6295 | break; |
6296 | case OMPD_unroll: |
6297 | Res = ActOnOpenMPUnrollDirective(ClausesWithImplicit, AStmt, StartLoc, |
6298 | EndLoc); |
6299 | break; |
6300 | case OMPD_for: |
6301 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, |
6302 | VarsWithInheritedDSA); |
6303 | break; |
6304 | case OMPD_for_simd: |
6305 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6306 | EndLoc, VarsWithInheritedDSA); |
6307 | if (LangOpts.OpenMP >= 50) |
6308 | AllowedNameModifiers.push_back(OMPD_simd); |
6309 | break; |
6310 | case OMPD_sections: |
6311 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, |
6312 | EndLoc); |
6313 | break; |
6314 | case OMPD_section: |
6315 | 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", 6316, __extension__ __PRETTY_FUNCTION__ )) |
6316 | "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", 6316, __extension__ __PRETTY_FUNCTION__ )); |
6317 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); |
6318 | break; |
6319 | case OMPD_single: |
6320 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, |
6321 | EndLoc); |
6322 | break; |
6323 | case OMPD_master: |
6324 | 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", 6325, __extension__ __PRETTY_FUNCTION__ )) |
6325 | "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", 6325, __extension__ __PRETTY_FUNCTION__ )); |
6326 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); |
6327 | break; |
6328 | case OMPD_masked: |
6329 | Res = ActOnOpenMPMaskedDirective(ClausesWithImplicit, AStmt, StartLoc, |
6330 | EndLoc); |
6331 | break; |
6332 | case OMPD_critical: |
6333 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, |
6334 | StartLoc, EndLoc); |
6335 | break; |
6336 | case OMPD_parallel_for: |
6337 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, |
6338 | EndLoc, VarsWithInheritedDSA); |
6339 | AllowedNameModifiers.push_back(OMPD_parallel); |
6340 | break; |
6341 | case OMPD_parallel_for_simd: |
6342 | Res = ActOnOpenMPParallelForSimdDirective( |
6343 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6344 | AllowedNameModifiers.push_back(OMPD_parallel); |
6345 | if (LangOpts.OpenMP >= 50) |
6346 | AllowedNameModifiers.push_back(OMPD_simd); |
6347 | break; |
6348 | case OMPD_parallel_master: |
6349 | Res = ActOnOpenMPParallelMasterDirective(ClausesWithImplicit, AStmt, |
6350 | StartLoc, EndLoc); |
6351 | AllowedNameModifiers.push_back(OMPD_parallel); |
6352 | break; |
6353 | case OMPD_parallel_masked: |
6354 | Res = ActOnOpenMPParallelMaskedDirective(ClausesWithImplicit, AStmt, |
6355 | StartLoc, EndLoc); |
6356 | AllowedNameModifiers.push_back(OMPD_parallel); |
6357 | break; |
6358 | case OMPD_parallel_sections: |
6359 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, |
6360 | StartLoc, EndLoc); |
6361 | AllowedNameModifiers.push_back(OMPD_parallel); |
6362 | break; |
6363 | case OMPD_task: |
6364 | Res = |
6365 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
6366 | AllowedNameModifiers.push_back(OMPD_task); |
6367 | break; |
6368 | case OMPD_taskyield: |
6369 | 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", 6370, __extension__ __PRETTY_FUNCTION__ )) |
6370 | "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", 6370, __extension__ __PRETTY_FUNCTION__ )); |
6371 | 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", 6372, __extension__ __PRETTY_FUNCTION__ )) |
6372 | "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", 6372, __extension__ __PRETTY_FUNCTION__ )); |
6373 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); |
6374 | break; |
6375 | case OMPD_error: |
6376 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp error' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp error' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6377, __extension__ __PRETTY_FUNCTION__ )) |
6377 | "No associated statement allowed for 'omp error' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp error' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp error' directive\"" , "clang/lib/Sema/SemaOpenMP.cpp", 6377, __extension__ __PRETTY_FUNCTION__ )); |
6378 | Res = ActOnOpenMPErrorDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6379 | break; |
6380 | case OMPD_barrier: |
6381 | 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", 6382, __extension__ __PRETTY_FUNCTION__ )) |
6382 | "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", 6382, __extension__ __PRETTY_FUNCTION__ )); |
6383 | 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", 6384, __extension__ __PRETTY_FUNCTION__ )) |
6384 | "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", 6384, __extension__ __PRETTY_FUNCTION__ )); |
6385 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); |
6386 | break; |
6387 | case OMPD_taskwait: |
6388 | 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", 6389, __extension__ __PRETTY_FUNCTION__ )) |
6389 | "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", 6389, __extension__ __PRETTY_FUNCTION__ )); |
6390 | Res = ActOnOpenMPTaskwaitDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6391 | break; |
6392 | case OMPD_taskgroup: |
6393 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, |
6394 | EndLoc); |
6395 | break; |
6396 | case OMPD_flush: |
6397 | 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", 6398, __extension__ __PRETTY_FUNCTION__ )) |
6398 | "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", 6398, __extension__ __PRETTY_FUNCTION__ )); |
6399 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6400 | break; |
6401 | case OMPD_depobj: |
6402 | 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", 6403, __extension__ __PRETTY_FUNCTION__ )) |
6403 | "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", 6403, __extension__ __PRETTY_FUNCTION__ )); |
6404 | Res = ActOnOpenMPDepobjDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6405 | break; |
6406 | case OMPD_scan: |
6407 | 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", 6408, __extension__ __PRETTY_FUNCTION__ )) |
6408 | "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", 6408, __extension__ __PRETTY_FUNCTION__ )); |
6409 | Res = ActOnOpenMPScanDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6410 | break; |
6411 | case OMPD_ordered: |
6412 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, |
6413 | EndLoc); |
6414 | break; |
6415 | case OMPD_atomic: |
6416 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, |
6417 | EndLoc); |
6418 | break; |
6419 | case OMPD_teams: |
6420 | Res = |
6421 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
6422 | break; |
6423 | case OMPD_target: |
6424 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, |
6425 | EndLoc); |
6426 | AllowedNameModifiers.push_back(OMPD_target); |
6427 | break; |
6428 | case OMPD_target_parallel: |
6429 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, |
6430 | StartLoc, EndLoc); |
6431 | AllowedNameModifiers.push_back(OMPD_target); |
6432 | AllowedNameModifiers.push_back(OMPD_parallel); |
6433 | break; |
6434 | case OMPD_target_parallel_for: |
6435 | Res = ActOnOpenMPTargetParallelForDirective( |
6436 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6437 | AllowedNameModifiers.push_back(OMPD_target); |
6438 | AllowedNameModifiers.push_back(OMPD_parallel); |
6439 | break; |
6440 | case OMPD_cancellation_point: |
6441 | 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", 6442, __extension__ __PRETTY_FUNCTION__ )) |
6442 | "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", 6442, __extension__ __PRETTY_FUNCTION__ )); |
6443 | 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", 6444, __extension__ __PRETTY_FUNCTION__ )) |
6444 | "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", 6444, __extension__ __PRETTY_FUNCTION__ )); |
6445 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); |
6446 | break; |
6447 | case OMPD_cancel: |
6448 | 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", 6449, __extension__ __PRETTY_FUNCTION__ )) |
6449 | "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", 6449, __extension__ __PRETTY_FUNCTION__ )); |
6450 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, |
6451 | CancelRegion); |
6452 | AllowedNameModifiers.push_back(OMPD_cancel); |
6453 | break; |
6454 | case OMPD_target_data: |
6455 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, |
6456 | EndLoc); |
6457 | AllowedNameModifiers.push_back(OMPD_target_data); |
6458 | break; |
6459 | case OMPD_target_enter_data: |
6460 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, |
6461 | EndLoc, AStmt); |
6462 | AllowedNameModifiers.push_back(OMPD_target_enter_data); |
6463 | break; |
6464 | case OMPD_target_exit_data: |
6465 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, |
6466 | EndLoc, AStmt); |
6467 | AllowedNameModifiers.push_back(OMPD_target_exit_data); |
6468 | break; |
6469 | case OMPD_taskloop: |
6470 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, |
6471 | EndLoc, VarsWithInheritedDSA); |
6472 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6473 | break; |
6474 | case OMPD_taskloop_simd: |
6475 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6476 | EndLoc, VarsWithInheritedDSA); |
6477 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6478 | if (LangOpts.OpenMP >= 50) |
6479 | AllowedNameModifiers.push_back(OMPD_simd); |
6480 | break; |
6481 | case OMPD_master_taskloop: |
6482 | Res = ActOnOpenMPMasterTaskLoopDirective( |
6483 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6484 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6485 | break; |
6486 | case OMPD_masked_taskloop: |
6487 | Res = ActOnOpenMPMaskedTaskLoopDirective( |
6488 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6489 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6490 | break; |
6491 | case OMPD_master_taskloop_simd: |
6492 | Res = ActOnOpenMPMasterTaskLoopSimdDirective( |
6493 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6494 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6495 | if (LangOpts.OpenMP >= 50) |
6496 | AllowedNameModifiers.push_back(OMPD_simd); |
6497 | break; |
6498 | case OMPD_masked_taskloop_simd: |
6499 | Res = ActOnOpenMPMaskedTaskLoopSimdDirective( |
6500 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6501 | if (LangOpts.OpenMP >= 51) { |
6502 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6503 | AllowedNameModifiers.push_back(OMPD_simd); |
6504 | } |
6505 | break; |
6506 | case OMPD_parallel_master_taskloop: |
6507 | Res = ActOnOpenMPParallelMasterTaskLoopDirective( |
6508 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6509 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6510 | AllowedNameModifiers.push_back(OMPD_parallel); |
6511 | break; |
6512 | case OMPD_parallel_masked_taskloop: |
6513 | Res = ActOnOpenMPParallelMaskedTaskLoopDirective( |
6514 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6515 | if (LangOpts.OpenMP >= 51) { |
6516 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6517 | AllowedNameModifiers.push_back(OMPD_parallel); |
6518 | } |
6519 | break; |
6520 | case OMPD_parallel_master_taskloop_simd: |
6521 | Res = ActOnOpenMPParallelMasterTaskLoopSimdDirective( |
6522 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6523 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6524 | AllowedNameModifiers.push_back(OMPD_parallel); |
6525 | if (LangOpts.OpenMP >= 50) |
6526 | AllowedNameModifiers.push_back(OMPD_simd); |
6527 | break; |
6528 | case OMPD_parallel_masked_taskloop_simd: |
6529 | Res = ActOnOpenMPParallelMaskedTaskLoopSimdDirective( |
6530 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6531 | if (LangOpts.OpenMP >= 51) { |
6532 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6533 | AllowedNameModifiers.push_back(OMPD_parallel); |
6534 | AllowedNameModifiers.push_back(OMPD_simd); |
6535 | } |
6536 | break; |
6537 | case OMPD_distribute: |
6538 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, |
6539 | EndLoc, VarsWithInheritedDSA); |
6540 | break; |
6541 | case OMPD_target_update: |
6542 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, |
6543 | EndLoc, AStmt); |
6544 | AllowedNameModifiers.push_back(OMPD_target_update); |
6545 | break; |
6546 | case OMPD_distribute_parallel_for: |
6547 | Res = ActOnOpenMPDistributeParallelForDirective( |
6548 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6549 | AllowedNameModifiers.push_back(OMPD_parallel); |
6550 | break; |
6551 | case OMPD_distribute_parallel_for_simd: |
6552 | Res = ActOnOpenMPDistributeParallelForSimdDirective( |
6553 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6554 | AllowedNameModifiers.push_back(OMPD_parallel); |
6555 | if (LangOpts.OpenMP >= 50) |
6556 | AllowedNameModifiers.push_back(OMPD_simd); |
6557 | break; |
6558 | case OMPD_distribute_simd: |
6559 | Res = ActOnOpenMPDistributeSimdDirective( |
6560 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6561 | if (LangOpts.OpenMP >= 50) |
6562 | AllowedNameModifiers.push_back(OMPD_simd); |
6563 | break; |
6564 | case OMPD_target_parallel_for_simd: |
6565 | Res = ActOnOpenMPTargetParallelForSimdDirective( |
6566 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6567 | AllowedNameModifiers.push_back(OMPD_target); |
6568 | AllowedNameModifiers.push_back(OMPD_parallel); |
6569 | if (LangOpts.OpenMP >= 50) |
6570 | AllowedNameModifiers.push_back(OMPD_simd); |
6571 | break; |
6572 | case OMPD_target_simd: |
6573 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6574 | EndLoc, VarsWithInheritedDSA); |
6575 | AllowedNameModifiers.push_back(OMPD_target); |
6576 | if (LangOpts.OpenMP >= 50) |
6577 | AllowedNameModifiers.push_back(OMPD_simd); |
6578 | break; |
6579 | case OMPD_teams_distribute: |
6580 | Res = ActOnOpenMPTeamsDistributeDirective( |
6581 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6582 | break; |
6583 | case OMPD_teams_distribute_simd: |
6584 | Res = ActOnOpenMPTeamsDistributeSimdDirective( |
6585 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6586 | if (LangOpts.OpenMP >= 50) |
6587 | AllowedNameModifiers.push_back(OMPD_simd); |
6588 | break; |
6589 | case OMPD_teams_distribute_parallel_for_simd: |
6590 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( |
6591 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6592 | AllowedNameModifiers.push_back(OMPD_parallel); |
6593 | if (LangOpts.OpenMP >= 50) |
6594 | AllowedNameModifiers.push_back(OMPD_simd); |
6595 | break; |
6596 | case OMPD_teams_distribute_parallel_for: |
6597 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( |
6598 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6599 | AllowedNameModifiers.push_back(OMPD_parallel); |
6600 | break; |
6601 | case OMPD_target_teams: |
6602 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, |
6603 | EndLoc); |
6604 | AllowedNameModifiers.push_back(OMPD_target); |
6605 | break; |
6606 | case OMPD_target_teams_distribute: |
6607 | Res = ActOnOpenMPTargetTeamsDistributeDirective( |
6608 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6609 | AllowedNameModifiers.push_back(OMPD_target); |
6610 | break; |
6611 | case OMPD_target_teams_distribute_parallel_for: |
6612 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( |
6613 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6614 | AllowedNameModifiers.push_back(OMPD_target); |
6615 | AllowedNameModifiers.push_back(OMPD_parallel); |
6616 | break; |
6617 | case OMPD_target_teams_distribute_parallel_for_simd: |
6618 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( |
6619 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6620 | AllowedNameModifiers.push_back(OMPD_target); |
6621 | AllowedNameModifiers.push_back(OMPD_parallel); |
6622 | if (LangOpts.OpenMP >= 50) |
6623 | AllowedNameModifiers.push_back(OMPD_simd); |
6624 | break; |
6625 | case OMPD_target_teams_distribute_simd: |
6626 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( |
6627 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6628 | AllowedNameModifiers.push_back(OMPD_target); |
6629 | if (LangOpts.OpenMP >= 50) |
6630 | AllowedNameModifiers.push_back(OMPD_simd); |
6631 | break; |
6632 | case OMPD_interop: |
6633 | 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", 6634, __extension__ __PRETTY_FUNCTION__ )) |
6634 | "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", 6634, __extension__ __PRETTY_FUNCTION__ )); |
6635 | Res = ActOnOpenMPInteropDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6636 | break; |
6637 | case OMPD_dispatch: |
6638 | Res = ActOnOpenMPDispatchDirective(ClausesWithImplicit, AStmt, StartLoc, |
6639 | EndLoc); |
6640 | break; |
6641 | case OMPD_loop: |
6642 | Res = ActOnOpenMPGenericLoopDirective(ClausesWithImplicit, AStmt, StartLoc, |
6643 | EndLoc, VarsWithInheritedDSA); |
6644 | break; |
6645 | case OMPD_teams_loop: |
6646 | Res = ActOnOpenMPTeamsGenericLoopDirective( |
6647 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6648 | break; |
6649 | case OMPD_target_teams_loop: |
6650 | Res = ActOnOpenMPTargetTeamsGenericLoopDirective( |
6651 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6652 | break; |
6653 | case OMPD_parallel_loop: |
6654 | Res = ActOnOpenMPParallelGenericLoopDirective( |
6655 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6656 | break; |
6657 | case OMPD_target_parallel_loop: |
6658 | Res = ActOnOpenMPTargetParallelGenericLoopDirective( |
6659 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6660 | break; |
6661 | case OMPD_declare_target: |
6662 | case OMPD_end_declare_target: |
6663 | case OMPD_threadprivate: |
6664 | case OMPD_allocate: |
6665 | case OMPD_declare_reduction: |
6666 | case OMPD_declare_mapper: |
6667 | case OMPD_declare_simd: |
6668 | case OMPD_requires: |
6669 | case OMPD_declare_variant: |
6670 | case OMPD_begin_declare_variant: |
6671 | case OMPD_end_declare_variant: |
6672 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "clang/lib/Sema/SemaOpenMP.cpp", 6672); |
6673 | case OMPD_unknown: |
6674 | default: |
6675 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 6675); |
6676 | } |
6677 | |
6678 | ErrorFound = Res.isInvalid() || ErrorFound; |
6679 | |
6680 | // Check variables in the clauses if default(none) or |
6681 | // default(firstprivate) was specified. |
6682 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
6683 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_private || |
6684 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { |
6685 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); |
6686 | for (OMPClause *C : Clauses) { |
6687 | switch (C->getClauseKind()) { |
6688 | case OMPC_num_threads: |
6689 | case OMPC_dist_schedule: |
6690 | // Do not analyse if no parent teams directive. |
6691 | if (isOpenMPTeamsDirective(Kind)) |
6692 | break; |
6693 | continue; |
6694 | case OMPC_if: |
6695 | if (isOpenMPTeamsDirective(Kind) && |
6696 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) |
6697 | break; |
6698 | if (isOpenMPParallelDirective(Kind) && |
6699 | isOpenMPTaskLoopDirective(Kind) && |
6700 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_parallel) |
6701 | break; |
6702 | continue; |
6703 | case OMPC_schedule: |
6704 | case OMPC_detach: |
6705 | break; |
6706 | case OMPC_grainsize: |
6707 | case OMPC_num_tasks: |
6708 | case OMPC_final: |
6709 | case OMPC_priority: |
6710 | case OMPC_novariants: |
6711 | case OMPC_nocontext: |
6712 | // Do not analyze if no parent parallel directive. |
6713 | if (isOpenMPParallelDirective(Kind)) |
6714 | break; |
6715 | continue; |
6716 | case OMPC_ordered: |
6717 | case OMPC_device: |
6718 | case OMPC_num_teams: |
6719 | case OMPC_thread_limit: |
6720 | case OMPC_hint: |
6721 | case OMPC_collapse: |
6722 | case OMPC_safelen: |
6723 | case OMPC_simdlen: |
6724 | case OMPC_sizes: |
6725 | case OMPC_default: |
6726 | case OMPC_proc_bind: |
6727 | case OMPC_private: |
6728 | case OMPC_firstprivate: |
6729 | case OMPC_lastprivate: |
6730 | case OMPC_shared: |
6731 | case OMPC_reduction: |
6732 | case OMPC_task_reduction: |
6733 | case OMPC_in_reduction: |
6734 | case OMPC_linear: |
6735 | case OMPC_aligned: |
6736 | case OMPC_copyin: |
6737 | case OMPC_copyprivate: |
6738 | case OMPC_nowait: |
6739 | case OMPC_untied: |
6740 | case OMPC_mergeable: |
6741 | case OMPC_allocate: |
6742 | case OMPC_read: |
6743 | case OMPC_write: |
6744 | case OMPC_update: |
6745 | case OMPC_capture: |
6746 | case OMPC_compare: |
6747 | case OMPC_seq_cst: |
6748 | case OMPC_acq_rel: |
6749 | case OMPC_acquire: |
6750 | case OMPC_release: |
6751 | case OMPC_relaxed: |
6752 | case OMPC_depend: |
6753 | case OMPC_threads: |
6754 | case OMPC_simd: |
6755 | case OMPC_map: |
6756 | case OMPC_nogroup: |
6757 | case OMPC_defaultmap: |
6758 | case OMPC_to: |
6759 | case OMPC_from: |
6760 | case OMPC_use_device_ptr: |
6761 | case OMPC_use_device_addr: |
6762 | case OMPC_is_device_ptr: |
6763 | case OMPC_has_device_addr: |
6764 | case OMPC_nontemporal: |
6765 | case OMPC_order: |
6766 | case OMPC_destroy: |
6767 | case OMPC_inclusive: |
6768 | case OMPC_exclusive: |
6769 | case OMPC_uses_allocators: |
6770 | case OMPC_affinity: |
6771 | case OMPC_bind: |
6772 | case OMPC_filter: |
6773 | continue; |
6774 | case OMPC_allocator: |
6775 | case OMPC_flush: |
6776 | case OMPC_depobj: |
6777 | case OMPC_threadprivate: |
6778 | case OMPC_uniform: |
6779 | case OMPC_unknown: |
6780 | case OMPC_unified_address: |
6781 | case OMPC_unified_shared_memory: |
6782 | case OMPC_reverse_offload: |
6783 | case OMPC_dynamic_allocators: |
6784 | case OMPC_atomic_default_mem_order: |
6785 | case OMPC_device_type: |
6786 | case OMPC_match: |
6787 | case OMPC_when: |
6788 | case OMPC_at: |
6789 | case OMPC_severity: |
6790 | case OMPC_message: |
6791 | default: |
6792 | llvm_unreachable("Unexpected clause")::llvm::llvm_unreachable_internal("Unexpected clause", "clang/lib/Sema/SemaOpenMP.cpp" , 6792); |
6793 | } |
6794 | for (Stmt *CC : C->children()) { |
6795 | if (CC) |
6796 | DSAChecker.Visit(CC); |
6797 | } |
6798 | } |
6799 | for (const auto &P : DSAChecker.getVarsWithInheritedDSA()) |
6800 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); |
6801 | } |
6802 | for (const auto &P : VarsWithInheritedDSA) { |
6803 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) |
6804 | continue; |
6805 | ErrorFound = true; |
6806 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
6807 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_private || |
6808 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { |
6809 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) |
6810 | << P.first << P.second->getSourceRange(); |
6811 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); |
6812 | } else if (getLangOpts().OpenMP >= 50) { |
6813 | Diag(P.second->getExprLoc(), |
6814 | diag::err_omp_defaultmap_no_attr_for_variable) |
6815 | << P.first << P.second->getSourceRange(); |
6816 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), |
6817 | diag::note_omp_defaultmap_attr_none); |
6818 | } |
6819 | } |
6820 | |
6821 | if (!AllowedNameModifiers.empty()) |
6822 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || |
6823 | ErrorFound; |
6824 | |
6825 | if (ErrorFound) |
6826 | return StmtError(); |
6827 | |
6828 | if (!CurContext->isDependentContext() && |
6829 | isOpenMPTargetExecutionDirective(Kind) && |
6830 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || |
6831 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || |
6832 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || |
6833 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { |
6834 | // Register target to DSA Stack. |
6835 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); |
6836 | } |
6837 | |
6838 | return Res; |
6839 | } |
6840 | |
6841 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( |
6842 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, |
6843 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, |
6844 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, |
6845 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { |
6846 | 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", 6846, __extension__ __PRETTY_FUNCTION__ )); |
6847 | 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", 6847, __extension__ __PRETTY_FUNCTION__ )); |
6848 | 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" , 6848, __extension__ __PRETTY_FUNCTION__)); |
6849 | if (!DG || DG.get().isNull()) |
6850 | return DeclGroupPtrTy(); |
6851 | |
6852 | const int SimdId = 0; |
6853 | if (!DG.get().isSingleDecl()) { |
6854 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) |
6855 | << SimdId; |
6856 | return DG; |
6857 | } |
6858 | Decl *ADecl = DG.get().getSingleDecl(); |
6859 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) |
6860 | ADecl = FTD->getTemplatedDecl(); |
6861 | |
6862 | auto *FD = dyn_cast<FunctionDecl>(ADecl); |
6863 | if (!FD) { |
6864 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; |
6865 | return DeclGroupPtrTy(); |
6866 | } |
6867 | |
6868 | // OpenMP [2.8.2, declare simd construct, Description] |
6869 | // The parameter of the simdlen clause must be a constant positive integer |
6870 | // expression. |
6871 | ExprResult SL; |
6872 | if (Simdlen) |
6873 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); |
6874 | // OpenMP [2.8.2, declare simd construct, Description] |
6875 | // The special this pointer can be used as if was one of the arguments to the |
6876 | // function in any of the linear, aligned, or uniform clauses. |
6877 | // The uniform clause declares one or more arguments to have an invariant |
6878 | // value for all concurrent invocations of the function in the execution of a |
6879 | // single SIMD loop. |
6880 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; |
6881 | const Expr *UniformedLinearThis = nullptr; |
6882 | for (const Expr *E : Uniforms) { |
6883 | E = E->IgnoreParenImpCasts(); |
6884 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6885 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) |
6886 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6887 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6888 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { |
6889 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); |
6890 | continue; |
6891 | } |
6892 | if (isa<CXXThisExpr>(E)) { |
6893 | UniformedLinearThis = E; |
6894 | continue; |
6895 | } |
6896 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6897 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6898 | } |
6899 | // OpenMP [2.8.2, declare simd construct, Description] |
6900 | // The aligned clause declares that the object to which each list item points |
6901 | // is aligned to the number of bytes expressed in the optional parameter of |
6902 | // the aligned clause. |
6903 | // The special this pointer can be used as if was one of the arguments to the |
6904 | // function in any of the linear, aligned, or uniform clauses. |
6905 | // The type of list items appearing in the aligned clause must be array, |
6906 | // pointer, reference to array, or reference to pointer. |
6907 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; |
6908 | const Expr *AlignedThis = nullptr; |
6909 | for (const Expr *E : Aligneds) { |
6910 | E = E->IgnoreParenImpCasts(); |
6911 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6912 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6913 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6914 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6915 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6916 | ->getCanonicalDecl() == CanonPVD) { |
6917 | // OpenMP [2.8.1, simd construct, Restrictions] |
6918 | // A list-item cannot appear in more than one aligned clause. |
6919 | if (AlignedArgs.count(CanonPVD) > 0) { |
6920 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) |
6921 | << 1 << getOpenMPClauseName(OMPC_aligned) |
6922 | << E->getSourceRange(); |
6923 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), |
6924 | diag::note_omp_explicit_dsa) |
6925 | << getOpenMPClauseName(OMPC_aligned); |
6926 | continue; |
6927 | } |
6928 | AlignedArgs[CanonPVD] = E; |
6929 | QualType QTy = PVD->getType() |
6930 | .getNonReferenceType() |
6931 | .getUnqualifiedType() |
6932 | .getCanonicalType(); |
6933 | const Type *Ty = QTy.getTypePtrOrNull(); |
6934 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { |
6935 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) |
6936 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); |
6937 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; |
6938 | } |
6939 | continue; |
6940 | } |
6941 | } |
6942 | if (isa<CXXThisExpr>(E)) { |
6943 | if (AlignedThis) { |
6944 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) |
6945 | << 2 << getOpenMPClauseName(OMPC_aligned) << E->getSourceRange(); |
6946 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) |
6947 | << getOpenMPClauseName(OMPC_aligned); |
6948 | } |
6949 | AlignedThis = E; |
6950 | continue; |
6951 | } |
6952 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6953 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6954 | } |
6955 | // The optional parameter of the aligned clause, alignment, must be a constant |
6956 | // positive integer expression. If no optional parameter is specified, |
6957 | // implementation-defined default alignments for SIMD instructions on the |
6958 | // target platforms are assumed. |
6959 | SmallVector<const Expr *, 4> NewAligns; |
6960 | for (Expr *E : Alignments) { |
6961 | ExprResult Align; |
6962 | if (E) |
6963 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); |
6964 | NewAligns.push_back(Align.get()); |
6965 | } |
6966 | // OpenMP [2.8.2, declare simd construct, Description] |
6967 | // The linear clause declares one or more list items to be private to a SIMD |
6968 | // lane and to have a linear relationship with respect to the iteration space |
6969 | // of a loop. |
6970 | // The special this pointer can be used as if was one of the arguments to the |
6971 | // function in any of the linear, aligned, or uniform clauses. |
6972 | // When a linear-step expression is specified in a linear clause it must be |
6973 | // either a constant integer expression or an integer-typed parameter that is |
6974 | // specified in a uniform clause on the directive. |
6975 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; |
6976 | const bool IsUniformedThis = UniformedLinearThis != nullptr; |
6977 | auto MI = LinModifiers.begin(); |
6978 | for (const Expr *E : Linears) { |
6979 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); |
6980 | ++MI; |
6981 | E = E->IgnoreParenImpCasts(); |
6982 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6983 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6984 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6985 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6986 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6987 | ->getCanonicalDecl() == CanonPVD) { |
6988 | // OpenMP [2.15.3.7, linear Clause, Restrictions] |
6989 | // A list-item cannot appear in more than one linear clause. |
6990 | if (LinearArgs.count(CanonPVD) > 0) { |
6991 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
6992 | << getOpenMPClauseName(OMPC_linear) |
6993 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); |
6994 | Diag(LinearArgs[CanonPVD]->getExprLoc(), |
6995 | diag::note_omp_explicit_dsa) |
6996 | << getOpenMPClauseName(OMPC_linear); |
6997 | continue; |
6998 | } |
6999 | // Each argument can appear in at most one uniform or linear clause. |
7000 | if (UniformedArgs.count(CanonPVD) > 0) { |
7001 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
7002 | << getOpenMPClauseName(OMPC_linear) |
7003 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); |
7004 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), |
7005 | diag::note_omp_explicit_dsa) |
7006 | << getOpenMPClauseName(OMPC_uniform); |
7007 | continue; |
7008 | } |
7009 | LinearArgs[CanonPVD] = E; |
7010 | if (E->isValueDependent() || E->isTypeDependent() || |
7011 | E->isInstantiationDependent() || |
7012 | E->containsUnexpandedParameterPack()) |
7013 | continue; |
7014 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, |
7015 | PVD->getOriginalType(), |
7016 | /*IsDeclareSimd=*/true); |
7017 | continue; |
7018 | } |
7019 | } |
7020 | if (isa<CXXThisExpr>(E)) { |
7021 | if (UniformedLinearThis) { |
7022 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
7023 | << getOpenMPClauseName(OMPC_linear) |
7024 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) |
7025 | << E->getSourceRange(); |
7026 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) |
7027 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform |
7028 | : OMPC_linear); |
7029 | continue; |
7030 | } |
7031 | UniformedLinearThis = E; |
7032 | if (E->isValueDependent() || E->isTypeDependent() || |
7033 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
7034 | continue; |
7035 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, |
7036 | E->getType(), /*IsDeclareSimd=*/true); |
7037 | continue; |
7038 | } |
7039 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
7040 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
7041 | } |
7042 | Expr *Step = nullptr; |
7043 | Expr *NewStep = nullptr; |
7044 | SmallVector<Expr *, 4> NewSteps; |
7045 | for (Expr *E : Steps) { |
7046 | // Skip the same step expression, it was checked already. |
7047 | if (Step == E || !E) { |
7048 | NewSteps.push_back(E ? NewStep : nullptr); |
7049 | continue; |
7050 | } |
7051 | Step = E; |
7052 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) |
7053 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
7054 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
7055 | if (UniformedArgs.count(CanonPVD) == 0) { |
7056 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) |
7057 | << Step->getSourceRange(); |
7058 | } else if (E->isValueDependent() || E->isTypeDependent() || |
7059 | E->isInstantiationDependent() || |
7060 | E->containsUnexpandedParameterPack() || |
7061 | CanonPVD->getType()->hasIntegerRepresentation()) { |
7062 | NewSteps.push_back(Step); |
7063 | } else { |
7064 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) |
7065 | << Step->getSourceRange(); |
7066 | } |
7067 | continue; |
7068 | } |
7069 | NewStep = Step; |
7070 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && |
7071 | !Step->isInstantiationDependent() && |
7072 | !Step->containsUnexpandedParameterPack()) { |
7073 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) |
7074 | .get(); |
7075 | if (NewStep) |
7076 | NewStep = |
7077 | VerifyIntegerConstantExpression(NewStep, /*FIXME*/ AllowFold).get(); |
7078 | } |
7079 | NewSteps.push_back(NewStep); |
7080 | } |
7081 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( |
7082 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), |
7083 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), |
7084 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), |
7085 | const_cast<Expr **>(Linears.data()), Linears.size(), |
7086 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), |
7087 | NewSteps.data(), NewSteps.size(), SR); |
7088 | ADecl->addAttr(NewAttr); |
7089 | return DG; |
7090 | } |
7091 | |
7092 | static void setPrototype(Sema &S, FunctionDecl *FD, FunctionDecl *FDWithProto, |
7093 | QualType NewType) { |
7094 | 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", 7095, __extension__ __PRETTY_FUNCTION__ )) |
7095 | "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", 7095, __extension__ __PRETTY_FUNCTION__ )); |
7096 | 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", 7097, __extension__ __PRETTY_FUNCTION__ )) |
7097 | "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", 7097, __extension__ __PRETTY_FUNCTION__ )); |
7098 | 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", 7099, __extension__ __PRETTY_FUNCTION__ )) |
7099 | "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", 7099, __extension__ __PRETTY_FUNCTION__ )); |
7100 | // Synthesize parameters with the same types. |
7101 | FD->setType(NewType); |
7102 | SmallVector<ParmVarDecl *, 16> Params; |
7103 | for (const ParmVarDecl *P : FDWithProto->parameters()) { |
7104 | auto *Param = ParmVarDecl::Create(S.getASTContext(), FD, SourceLocation(), |
7105 | SourceLocation(), nullptr, P->getType(), |
7106 | /*TInfo=*/nullptr, SC_None, nullptr); |
7107 | Param->setScopeInfo(0, Params.size()); |
7108 | Param->setImplicit(); |
7109 | Params.push_back(Param); |
7110 | } |
7111 | |
7112 | FD->setParams(Params); |
7113 | } |
7114 | |
7115 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPAssumeScope(Decl *D) { |
7116 | if (D->isInvalidDecl()) |
7117 | return; |
7118 | FunctionDecl *FD = nullptr; |
7119 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) |
7120 | FD = UTemplDecl->getTemplatedDecl(); |
7121 | else |
7122 | FD = cast<FunctionDecl>(D); |
7123 | 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", 7123, __extension__ __PRETTY_FUNCTION__ )); |
7124 | |
7125 | // If we are instantiating templates we do *not* apply scoped assumptions but |
7126 | // only global ones. We apply scoped assumption to the template definition |
7127 | // though. |
7128 | if (!inTemplateInstantiation()) { |
7129 | for (AssumptionAttr *AA : OMPAssumeScoped) |
7130 | FD->addAttr(AA); |
7131 | } |
7132 | for (AssumptionAttr *AA : OMPAssumeGlobal) |
7133 | FD->addAttr(AA); |
7134 | } |
7135 | |
7136 | Sema::OMPDeclareVariantScope::OMPDeclareVariantScope(OMPTraitInfo &TI) |
7137 | : TI(&TI), NameSuffix(TI.getMangledName()) {} |
7138 | |
7139 | void Sema::ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( |
7140 | Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists, |
7141 | SmallVectorImpl<FunctionDecl *> &Bases) { |
7142 | if (!D.getIdentifier()) |
7143 | return; |
7144 | |
7145 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); |
7146 | |
7147 | // Template specialization is an extension, check if we do it. |
7148 | bool IsTemplated = !TemplateParamLists.empty(); |
7149 | if (IsTemplated & |
7150 | !DVScope.TI->isExtensionActive( |
7151 | llvm::omp::TraitProperty::implementation_extension_allow_templates)) |
7152 | return; |
7153 | |
7154 | IdentifierInfo *BaseII = D.getIdentifier(); |
7155 | LookupResult Lookup(*this, DeclarationName(BaseII), D.getIdentifierLoc(), |
7156 | LookupOrdinaryName); |
7157 | LookupParsedName(Lookup, S, &D.getCXXScopeSpec()); |
7158 | |
7159 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); |
7160 | QualType FType = TInfo->getType(); |
7161 | |
7162 | bool IsConstexpr = |
7163 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Constexpr; |
7164 | bool IsConsteval = |
7165 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Consteval; |
7166 | |
7167 | for (auto *Candidate : Lookup) { |
7168 | auto *CandidateDecl = Candidate->getUnderlyingDecl(); |
7169 | FunctionDecl *UDecl = nullptr; |
7170 | if (IsTemplated && isa<FunctionTemplateDecl>(CandidateDecl)) { |
7171 | auto *FTD = cast<FunctionTemplateDecl>(CandidateDecl); |
7172 | if (FTD->getTemplateParameters()->size() == TemplateParamLists.size()) |
7173 | UDecl = FTD->getTemplatedDecl(); |
7174 | } else if (!IsTemplated) |
7175 | UDecl = dyn_cast<FunctionDecl>(CandidateDecl); |
7176 | if (!UDecl) |
7177 | continue; |
7178 | |
7179 | // Don't specialize constexpr/consteval functions with |
7180 | // non-constexpr/consteval functions. |
7181 | if (UDecl->isConstexpr() && !IsConstexpr) |
7182 | continue; |
7183 | if (UDecl->isConsteval() && !IsConsteval) |
7184 | continue; |
7185 | |
7186 | QualType UDeclTy = UDecl->getType(); |
7187 | if (!UDeclTy->isDependentType()) { |
7188 | QualType NewType = Context.mergeFunctionTypes( |
7189 | FType, UDeclTy, /* OfBlockPointer */ false, |
7190 | /* Unqualified */ false, /* AllowCXX */ true); |
7191 | if (NewType.isNull()) |
7192 | continue; |
7193 | } |
7194 | |
7195 | // Found a base! |
7196 | Bases.push_back(UDecl); |
7197 | } |
7198 | |
7199 | bool UseImplicitBase = !DVScope.TI->isExtensionActive( |
7200 | llvm::omp::TraitProperty::implementation_extension_disable_implicit_base); |
7201 | // If no base was found we create a declaration that we use as base. |
7202 | if (Bases.empty() && UseImplicitBase) { |
7203 | D.setFunctionDefinitionKind(FunctionDefinitionKind::Declaration); |
7204 | Decl *BaseD = HandleDeclarator(S, D, TemplateParamLists); |
7205 | BaseD->setImplicit(true); |
7206 | if (auto *BaseTemplD = dyn_cast<FunctionTemplateDecl>(BaseD)) |
7207 | Bases.push_back(BaseTemplD->getTemplatedDecl()); |
7208 | else |
7209 | Bases.push_back(cast<FunctionDecl>(BaseD)); |
7210 | } |
7211 | |
7212 | std::string MangledName; |
7213 | MangledName += D.getIdentifier()->getName(); |
7214 | MangledName += getOpenMPVariantManglingSeparatorStr(); |
7215 | MangledName += DVScope.NameSuffix; |
7216 | IdentifierInfo &VariantII = Context.Idents.get(MangledName); |
7217 | |
7218 | VariantII.setMangledOpenMPVariantName(true); |
7219 | D.SetIdentifier(&VariantII, D.getBeginLoc()); |
7220 | } |
7221 | |
7222 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPDeclareVariantScope( |
7223 | Decl *D, SmallVectorImpl<FunctionDecl *> &Bases) { |
7224 | // Do not mark function as is used to prevent its emission if this is the |
7225 | // only place where it is used. |
7226 | EnterExpressionEvaluationContext Unevaluated( |
7227 | *this, Sema::ExpressionEvaluationContext::Unevaluated); |
7228 | |
7229 | FunctionDecl *FD = nullptr; |
7230 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) |
7231 | FD = UTemplDecl->getTemplatedDecl(); |
7232 | else |
7233 | FD = cast<FunctionDecl>(D); |
7234 | auto *VariantFuncRef = DeclRefExpr::Create( |
7235 | Context, NestedNameSpecifierLoc(), SourceLocation(), FD, |
7236 | /* RefersToEnclosingVariableOrCapture */ false, |
7237 | /* NameLoc */ FD->getLocation(), FD->getType(), |
7238 | ExprValueKind::VK_PRValue); |
7239 | |
7240 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); |
7241 | auto *OMPDeclareVariantA = OMPDeclareVariantAttr::CreateImplicit( |
7242 | Context, VariantFuncRef, DVScope.TI, |
7243 | /*NothingArgs=*/nullptr, /*NothingArgsSize=*/0, |
7244 | /*NeedDevicePtrArgs=*/nullptr, /*NeedDevicePtrArgsSize=*/0, |
7245 | /*AppendArgs=*/nullptr, /*AppendArgsSize=*/0); |
7246 | for (FunctionDecl *BaseFD : Bases) |
7247 | BaseFD->addAttr(OMPDeclareVariantA); |
7248 | } |
7249 | |
7250 | ExprResult Sema::ActOnOpenMPCall(ExprResult Call, Scope *Scope, |
7251 | SourceLocation LParenLoc, |
7252 | MultiExprArg ArgExprs, |
7253 | SourceLocation RParenLoc, Expr *ExecConfig) { |
7254 | // The common case is a regular call we do not want to specialize at all. Try |
7255 | // to make that case fast by bailing early. |
7256 | CallExpr *CE = dyn_cast<CallExpr>(Call.get()); |
7257 | if (!CE) |
7258 | return Call; |
7259 | |
7260 | FunctionDecl *CalleeFnDecl = CE->getDirectCallee(); |
7261 | if (!CalleeFnDecl) |
7262 | return Call; |
7263 | |
7264 | if (LangOpts.OpenMP >= 51 && CalleeFnDecl->getIdentifier() && |
7265 | CalleeFnDecl->getName().startswith_insensitive("omp_")) { |
7266 | // checking for any calls inside an Order region |
7267 | if (Scope && Scope->isOpenMPOrderClauseScope()) |
7268 | Diag(LParenLoc, diag::err_omp_unexpected_call_to_omp_runtime_api); |
7269 | } |
7270 | |
7271 | if (!CalleeFnDecl->hasAttr<OMPDeclareVariantAttr>()) |
7272 | return Call; |
7273 | |
7274 | ASTContext &Context = getASTContext(); |
7275 | std::function<void(StringRef)> DiagUnknownTrait = [this, |
7276 | CE](StringRef ISATrait) { |
7277 | // TODO Track the selector locations in a way that is accessible here to |
7278 | // improve the diagnostic location. |
7279 | Diag(CE->getBeginLoc(), diag::warn_unknown_declare_variant_isa_trait) |
7280 | << ISATrait; |
7281 | }; |
7282 | TargetOMPContext OMPCtx(Context, std::move(DiagUnknownTrait), |
7283 | getCurFunctionDecl(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructTraits()); |
7284 | |
7285 | QualType CalleeFnType = CalleeFnDecl->getType(); |
7286 | |
7287 | SmallVector<Expr *, 4> Exprs; |
7288 | SmallVector<VariantMatchInfo, 4> VMIs; |
7289 | while (CalleeFnDecl) { |
7290 | for (OMPDeclareVariantAttr *A : |
7291 | CalleeFnDecl->specific_attrs<OMPDeclareVariantAttr>()) { |
7292 | Expr *VariantRef = A->getVariantFuncRef(); |
7293 | |
7294 | VariantMatchInfo VMI; |
7295 | OMPTraitInfo &TI = A->getTraitInfo(); |
7296 | TI.getAsVariantMatchInfo(Context, VMI); |
7297 | if (!isVariantApplicableInContext(VMI, OMPCtx, |
7298 | /* DeviceSetOnly */ false)) |
7299 | continue; |
7300 | |
7301 | VMIs.push_back(VMI); |
7302 | Exprs.push_back(VariantRef); |
7303 | } |
7304 | |
7305 | CalleeFnDecl = CalleeFnDecl->getPreviousDecl(); |
7306 | } |
7307 | |
7308 | ExprResult NewCall; |
7309 | do { |
7310 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); |
7311 | if (BestIdx < 0) |
7312 | return Call; |
7313 | Expr *BestExpr = cast<DeclRefExpr>(Exprs[BestIdx]); |
7314 | Decl *BestDecl = cast<DeclRefExpr>(BestExpr)->getDecl(); |
7315 | |
7316 | { |
7317 | // Try to build a (member) call expression for the current best applicable |
7318 | // variant expression. We allow this to fail in which case we continue |
7319 | // with the next best variant expression. The fail case is part of the |
7320 | // implementation defined behavior in the OpenMP standard when it talks |
7321 | // about what differences in the function prototypes: "Any differences |
7322 | // that the specific OpenMP context requires in the prototype of the |
7323 | // variant from the base function prototype are implementation defined." |
7324 | // This wording is there to allow the specialized variant to have a |
7325 | // different type than the base function. This is intended and OK but if |
7326 | // we cannot create a call the difference is not in the "implementation |
7327 | // defined range" we allow. |
7328 | Sema::TentativeAnalysisScope Trap(*this); |
7329 | |
7330 | if (auto *SpecializedMethod = dyn_cast<CXXMethodDecl>(BestDecl)) { |
7331 | auto *MemberCall = dyn_cast<CXXMemberCallExpr>(CE); |
7332 | BestExpr = MemberExpr::CreateImplicit( |
7333 | Context, MemberCall->getImplicitObjectArgument(), |
7334 | /* IsArrow */ false, SpecializedMethod, Context.BoundMemberTy, |
7335 | MemberCall->getValueKind(), MemberCall->getObjectKind()); |
7336 | } |
7337 | NewCall = BuildCallExpr(Scope, BestExpr, LParenLoc, ArgExprs, RParenLoc, |
7338 | ExecConfig); |
7339 | if (NewCall.isUsable()) { |
7340 | if (CallExpr *NCE = dyn_cast<CallExpr>(NewCall.get())) { |
7341 | FunctionDecl *NewCalleeFnDecl = NCE->getDirectCallee(); |
7342 | QualType NewType = Context.mergeFunctionTypes( |
7343 | CalleeFnType, NewCalleeFnDecl->getType(), |
7344 | /* OfBlockPointer */ false, |
7345 | /* Unqualified */ false, /* AllowCXX */ true); |
7346 | if (!NewType.isNull()) |
7347 | break; |
7348 | // Don't use the call if the function type was not compatible. |
7349 | NewCall = nullptr; |
7350 | } |
7351 | } |
7352 | } |
7353 | |
7354 | VMIs.erase(VMIs.begin() + BestIdx); |
7355 | Exprs.erase(Exprs.begin() + BestIdx); |
7356 | } while (!VMIs.empty()); |
7357 | |
7358 | if (!NewCall.isUsable()) |
7359 | return Call; |
7360 | return PseudoObjectExpr::Create(Context, CE, {NewCall.get()}, 0); |
7361 | } |
7362 | |
7363 | std::optional<std::pair<FunctionDecl *, Expr *>> |
7364 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, |
7365 | Expr *VariantRef, OMPTraitInfo &TI, |
7366 | unsigned NumAppendArgs, |
7367 | SourceRange SR) { |
7368 | if (!DG || DG.get().isNull()) |
7369 | return std::nullopt; |
7370 | |
7371 | const int VariantId = 1; |
7372 | // Must be applied only to single decl. |
7373 | if (!DG.get().isSingleDecl()) { |
7374 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) |
7375 | << VariantId << SR; |
7376 | return std::nullopt; |
7377 | } |
7378 | Decl *ADecl = DG.get().getSingleDecl(); |
7379 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) |
7380 | ADecl = FTD->getTemplatedDecl(); |
7381 | |
7382 | // Decl must be a function. |
7383 | auto *FD = dyn_cast<FunctionDecl>(ADecl); |
7384 | if (!FD) { |
7385 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) |
7386 | << VariantId << SR; |
7387 | return std::nullopt; |
7388 | } |
7389 | |
7390 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { |
7391 | // The 'target' attribute needs to be separately checked because it does |
7392 | // not always signify a multiversion function declaration. |
7393 | return FD->isMultiVersion() || FD->hasAttr<TargetAttr>(); |
7394 | }; |
7395 | // OpenMP is not compatible with multiversion function attributes. |
7396 | if (HasMultiVersionAttributes(FD)) { |
7397 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) |
7398 | << SR; |
7399 | return std::nullopt; |
7400 | } |
7401 | |
7402 | // Allow #pragma omp declare variant only if the function is not used. |
7403 | if (FD->isUsed(false)) |
7404 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) |
7405 | << FD->getLocation(); |
7406 | |
7407 | // Check if the function was emitted already. |
7408 | const FunctionDecl *Definition; |
7409 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && |
7410 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) |
7411 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) |
7412 | << FD->getLocation(); |
7413 | |
7414 | // The VariantRef must point to function. |
7415 | if (!VariantRef) { |
7416 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; |
7417 | return std::nullopt; |
7418 | } |
7419 | |
7420 | auto ShouldDelayChecks = [](Expr *&E, bool) { |
7421 | return E && (E->isTypeDependent() || E->isValueDependent() || |
7422 | E->containsUnexpandedParameterPack() || |
7423 | E->isInstantiationDependent()); |
7424 | }; |
7425 | // Do not check templates, wait until instantiation. |
7426 | if (FD->isDependentContext() || ShouldDelayChecks(VariantRef, false) || |
7427 | TI.anyScoreOrCondition(ShouldDelayChecks)) |
7428 | return std::make_pair(FD, VariantRef); |
7429 | |
7430 | // Deal with non-constant score and user condition expressions. |
7431 | auto HandleNonConstantScoresAndConditions = [this](Expr *&E, |
7432 | bool IsScore) -> bool { |
7433 | if (!E || E->isIntegerConstantExpr(Context)) |
7434 | return false; |
7435 | |
7436 | if (IsScore) { |
7437 | // We warn on non-constant scores and pretend they were not present. |
7438 | Diag(E->getExprLoc(), diag::warn_omp_declare_variant_score_not_constant) |
7439 | << E; |
7440 | E = nullptr; |
7441 | } else { |
7442 | // We could replace a non-constant user condition with "false" but we |
7443 | // will soon need to handle these anyway for the dynamic version of |
7444 | // OpenMP context selectors. |
7445 | Diag(E->getExprLoc(), |
7446 | diag::err_omp_declare_variant_user_condition_not_constant) |
7447 | << E; |
7448 | } |
7449 | return true; |
7450 | }; |
7451 | if (TI.anyScoreOrCondition(HandleNonConstantScoresAndConditions)) |
7452 | return std::nullopt; |
7453 | |
7454 | QualType AdjustedFnType = FD->getType(); |
7455 | if (NumAppendArgs) { |
7456 | const auto *PTy = AdjustedFnType->getAsAdjusted<FunctionProtoType>(); |
7457 | if (!PTy) { |
7458 | Diag(FD->getLocation(), diag::err_omp_declare_variant_prototype_required) |
7459 | << SR; |
7460 | return std::nullopt; |
7461 | } |
7462 | // Adjust the function type to account for an extra omp_interop_t for each |
7463 | // specified in the append_args clause. |
7464 | const TypeDecl *TD = nullptr; |
7465 | LookupResult Result(*this, &Context.Idents.get("omp_interop_t"), |
7466 | SR.getBegin(), Sema::LookupOrdinaryName); |
7467 | if (LookupName(Result, getCurScope())) { |
7468 | NamedDecl *ND = Result.getFoundDecl(); |
7469 | TD = dyn_cast_or_null<TypeDecl>(ND); |
7470 | } |
7471 | if (!TD) { |
7472 | Diag(SR.getBegin(), diag::err_omp_interop_type_not_found) << SR; |
7473 | return std::nullopt; |
7474 | } |
7475 | QualType InteropType = Context.getTypeDeclType(TD); |
7476 | if (PTy->isVariadic()) { |
7477 | Diag(FD->getLocation(), diag::err_omp_append_args_with_varargs) << SR; |
7478 | return std::nullopt; |
7479 | } |
7480 | llvm::SmallVector<QualType, 8> Params; |
7481 | Params.append(PTy->param_type_begin(), PTy->param_type_end()); |
7482 | Params.insert(Params.end(), NumAppendArgs, InteropType); |
7483 | AdjustedFnType = Context.getFunctionType(PTy->getReturnType(), Params, |
7484 | PTy->getExtProtoInfo()); |
7485 | } |
7486 | |
7487 | // Convert VariantRef expression to the type of the original function to |
7488 | // resolve possible conflicts. |
7489 | ExprResult VariantRefCast = VariantRef; |
7490 | if (LangOpts.CPlusPlus) { |
7491 | QualType FnPtrType; |
7492 | auto *Method = dyn_cast<CXXMethodDecl>(FD); |
7493 | if (Method && !Method->isStatic()) { |
7494 | const Type *ClassType = |
7495 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); |
7496 | FnPtrType = Context.getMemberPointerType(AdjustedFnType, ClassType); |
7497 | ExprResult ER; |
7498 | { |
7499 | // Build adrr_of unary op to correctly handle type checks for member |
7500 | // functions. |
7501 | Sema::TentativeAnalysisScope Trap(*this); |
7502 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, |
7503 | VariantRef); |
7504 | } |
7505 | if (!ER.isUsable()) { |
7506 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7507 | << VariantId << VariantRef->getSourceRange(); |
7508 | return std::nullopt; |
7509 | } |
7510 | VariantRef = ER.get(); |
7511 | } else { |
7512 | FnPtrType = Context.getPointerType(AdjustedFnType); |
7513 | } |
7514 | QualType VarianPtrType = Context.getPointerType(VariantRef->getType()); |
7515 | if (VarianPtrType.getUnqualifiedType() != FnPtrType.getUnqualifiedType()) { |
7516 | ImplicitConversionSequence ICS = TryImplicitConversion( |
7517 | VariantRef, FnPtrType.getUnqualifiedType(), |
7518 | /*SuppressUserConversions=*/false, AllowedExplicit::None, |
7519 | /*InOverloadResolution=*/false, |
7520 | /*CStyle=*/false, |
7521 | /*AllowObjCWritebackConversion=*/false); |
7522 | if (ICS.isFailure()) { |
7523 | Diag(VariantRef->getExprLoc(), |
7524 | diag::err_omp_declare_variant_incompat_types) |
7525 | << VariantRef->getType() |
7526 | << ((Method && !Method->isStatic()) ? FnPtrType : FD->getType()) |
7527 | << (NumAppendArgs ? 1 : 0) << VariantRef->getSourceRange(); |
7528 | return std::nullopt; |
7529 | } |
7530 | VariantRefCast = PerformImplicitConversion( |
7531 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); |
7532 | if (!VariantRefCast.isUsable()) |
7533 | return std::nullopt; |
7534 | } |
7535 | // Drop previously built artificial addr_of unary op for member functions. |
7536 | if (Method && !Method->isStatic()) { |
7537 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); |
7538 | if (auto *UO = dyn_cast<UnaryOperator>( |
7539 | PossibleAddrOfVariantRef->IgnoreImplicit())) |
7540 | VariantRefCast = UO->getSubExpr(); |
7541 | } |
7542 | } |
7543 | |
7544 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); |
7545 | if (!ER.isUsable() || |
7546 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { |
7547 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7548 | << VariantId << VariantRef->getSourceRange(); |
7549 | return std::nullopt; |
7550 | } |
7551 | |
7552 | // The VariantRef must point to function. |
7553 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); |
7554 | if (!DRE) { |
7555 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7556 | << VariantId << VariantRef->getSourceRange(); |
7557 | return std::nullopt; |
7558 | } |
7559 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); |
7560 | if (!NewFD) { |
7561 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7562 | << VariantId << VariantRef->getSourceRange(); |
7563 | return std::nullopt; |
7564 | } |
7565 | |
7566 | if (FD->getCanonicalDecl() == NewFD->getCanonicalDecl()) { |
7567 | Diag(VariantRef->getExprLoc(), |
7568 | diag::err_omp_declare_variant_same_base_function) |
7569 | << VariantRef->getSourceRange(); |
7570 | return std::nullopt; |
7571 | } |
7572 | |
7573 | // Check if function types are compatible in C. |
7574 | if (!LangOpts.CPlusPlus) { |
7575 | QualType NewType = |
7576 | Context.mergeFunctionTypes(AdjustedFnType, NewFD->getType()); |
7577 | if (NewType.isNull()) { |
7578 | Diag(VariantRef->getExprLoc(), |
7579 | diag::err_omp_declare_variant_incompat_types) |
7580 | << NewFD->getType() << FD->getType() << (NumAppendArgs ? 1 : 0) |
7581 | << VariantRef->getSourceRange(); |
7582 | return std::nullopt; |
7583 | } |
7584 | if (NewType->isFunctionProtoType()) { |
7585 | if (FD->getType()->isFunctionNoProtoType()) |
7586 | setPrototype(*this, FD, NewFD, NewType); |
7587 | else if (NewFD->getType()->isFunctionNoProtoType()) |
7588 | setPrototype(*this, NewFD, FD, NewType); |
7589 | } |
7590 | } |
7591 | |
7592 | // Check if variant function is not marked with declare variant directive. |
7593 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { |
7594 | Diag(VariantRef->getExprLoc(), |
7595 | diag::warn_omp_declare_variant_marked_as_declare_variant) |
7596 | << VariantRef->getSourceRange(); |
7597 | SourceRange SR = |
7598 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); |
7599 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; |
7600 | return std::nullopt; |
7601 | } |
7602 | |
7603 | enum DoesntSupport { |
7604 | VirtFuncs = 1, |
7605 | Constructors = 3, |
7606 | Destructors = 4, |
7607 | DeletedFuncs = 5, |
7608 | DefaultedFuncs = 6, |
7609 | ConstexprFuncs = 7, |
7610 | ConstevalFuncs = 8, |
7611 | }; |
7612 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { |
7613 | if (CXXFD->isVirtual()) { |
7614 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7615 | << VirtFuncs; |
7616 | return std::nullopt; |
7617 | } |
7618 | |
7619 | if (isa<CXXConstructorDecl>(FD)) { |
7620 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7621 | << Constructors; |
7622 | return std::nullopt; |
7623 | } |
7624 | |
7625 | if (isa<CXXDestructorDecl>(FD)) { |
7626 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7627 | << Destructors; |
7628 | return std::nullopt; |
7629 | } |
7630 | } |
7631 | |
7632 | if (FD->isDeleted()) { |
7633 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7634 | << DeletedFuncs; |
7635 | return std::nullopt; |
7636 | } |
7637 | |
7638 | if (FD->isDefaulted()) { |
7639 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7640 | << DefaultedFuncs; |
7641 | return std::nullopt; |
7642 | } |
7643 | |
7644 | if (FD->isConstexpr()) { |
7645 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7646 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); |
7647 | return std::nullopt; |
7648 | } |
7649 | |
7650 | // Check general compatibility. |
7651 | if (areMultiversionVariantFunctionsCompatible( |
7652 | FD, NewFD, PartialDiagnostic::NullDiagnostic(), |
7653 | PartialDiagnosticAt(SourceLocation(), |
7654 | PartialDiagnostic::NullDiagnostic()), |
7655 | PartialDiagnosticAt( |
7656 | VariantRef->getExprLoc(), |
7657 | PDiag(diag::err_omp_declare_variant_doesnt_support)), |
7658 | PartialDiagnosticAt(VariantRef->getExprLoc(), |
7659 | PDiag(diag::err_omp_declare_variant_diff) |
7660 | << FD->getLocation()), |
7661 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false, |
7662 | /*CLinkageMayDiffer=*/true)) |
7663 | return std::nullopt; |
7664 | return std::make_pair(FD, cast<Expr>(DRE)); |
7665 | } |
7666 | |
7667 | void Sema::ActOnOpenMPDeclareVariantDirective( |
7668 | FunctionDecl *FD, Expr *VariantRef, OMPTraitInfo &TI, |
7669 | ArrayRef<Expr *> AdjustArgsNothing, |
7670 | ArrayRef<Expr *> AdjustArgsNeedDevicePtr, |
7671 | ArrayRef<OMPInteropInfo> AppendArgs, SourceLocation AdjustArgsLoc, |
7672 | SourceLocation AppendArgsLoc, SourceRange SR) { |
7673 | |
7674 | // OpenMP 5.1 [2.3.5, declare variant directive, Restrictions] |
7675 | // An adjust_args clause or append_args clause can only be specified if the |
7676 | // dispatch selector of the construct selector set appears in the match |
7677 | // clause. |
7678 | |
7679 | SmallVector<Expr *, 8> AllAdjustArgs; |
7680 | llvm::append_range(AllAdjustArgs, AdjustArgsNothing); |
7681 | llvm::append_range(AllAdjustArgs, AdjustArgsNeedDevicePtr); |
7682 | |
7683 | if (!AllAdjustArgs.empty() || !AppendArgs.empty()) { |
7684 | VariantMatchInfo VMI; |
7685 | TI.getAsVariantMatchInfo(Context, VMI); |
7686 | if (!llvm::is_contained( |
7687 | VMI.ConstructTraits, |
7688 | llvm::omp::TraitProperty::construct_dispatch_dispatch)) { |
7689 | if (!AllAdjustArgs.empty()) |
7690 | Diag(AdjustArgsLoc, diag::err_omp_clause_requires_dispatch_construct) |
7691 | << getOpenMPClauseName(OMPC_adjust_args); |
7692 | if (!AppendArgs.empty()) |
7693 | Diag(AppendArgsLoc, diag::err_omp_clause_requires_dispatch_construct) |
7694 | << getOpenMPClauseName(OMPC_append_args); |
7695 | return; |
7696 | } |
7697 | } |
7698 | |
7699 | // OpenMP 5.1 [2.3.5, declare variant directive, Restrictions] |
7700 | // Each argument can only appear in a single adjust_args clause for each |
7701 | // declare variant directive. |
7702 | llvm::SmallPtrSet<const VarDecl *, 4> AdjustVars; |
7703 | |
7704 | for (Expr *E : AllAdjustArgs) { |
7705 | E = E->IgnoreParenImpCasts(); |
7706 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) { |
7707 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
7708 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
7709 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
7710 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
7711 | ->getCanonicalDecl() == CanonPVD) { |
7712 | // It's a parameter of the function, check duplicates. |
7713 | if (!AdjustVars.insert(CanonPVD).second) { |
7714 | Diag(DRE->getLocation(), diag::err_omp_adjust_arg_multiple_clauses) |
7715 | << PVD; |
7716 | return; |
7717 | } |
7718 | continue; |
7719 | } |
7720 | } |
7721 | } |
7722 | // Anything that is not a function parameter is an error. |
7723 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) << FD << 0; |
7724 | return; |
7725 | } |
7726 | |
7727 | auto *NewAttr = OMPDeclareVariantAttr::CreateImplicit( |
7728 | Context, VariantRef, &TI, const_cast<Expr **>(AdjustArgsNothing.data()), |
7729 | AdjustArgsNothing.size(), |
7730 | const_cast<Expr **>(AdjustArgsNeedDevicePtr.data()), |
7731 | AdjustArgsNeedDevicePtr.size(), |
7732 | const_cast<OMPInteropInfo *>(AppendArgs.data()), AppendArgs.size(), SR); |
7733 | FD->addAttr(NewAttr); |
7734 | } |
7735 | |
7736 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, |
7737 | Stmt *AStmt, |
7738 | SourceLocation StartLoc, |
7739 | SourceLocation EndLoc) { |
7740 | if (!AStmt) |
7741 | return StmtError(); |
7742 | |
7743 | auto *CS = cast<CapturedStmt>(AStmt); |
7744 | // 1.2.2 OpenMP Language Terminology |
7745 | // Structured block - An executable statement with a single entry at the |
7746 | // top and a single exit at the bottom. |
7747 | // The point of exit cannot be a branch out of the structured block. |
7748 | // longjmp() and throw() must not violate the entry/exit criteria. |
7749 | CS->getCapturedDecl()->setNothrow(); |
7750 | |
7751 | setFunctionHasBranchProtectedScope(); |
7752 | |
7753 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
7754 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), |
7755 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
7756 | } |
7757 | |
7758 | namespace { |
7759 | /// Iteration space of a single for loop. |
7760 | struct LoopIterationSpace final { |
7761 | /// True if the condition operator is the strict compare operator (<, > or |
7762 | /// !=). |
7763 | bool IsStrictCompare = false; |
7764 | /// Condition of the loop. |
7765 | Expr *PreCond = nullptr; |
7766 | /// This expression calculates the number of iterations in the loop. |
7767 | /// It is always possible to calculate it before starting the loop. |
7768 | Expr *NumIterations = nullptr; |
7769 | /// The loop counter variable. |
7770 | Expr *CounterVar = nullptr; |
7771 | /// Private loop counter variable. |
7772 | Expr *PrivateCounterVar = nullptr; |
7773 | /// This is initializer for the initial value of #CounterVar. |
7774 | Expr *CounterInit = nullptr; |
7775 | /// This is step for the #CounterVar used to generate its update: |
7776 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. |
7777 | Expr *CounterStep = nullptr; |
7778 | /// Should step be subtracted? |
7779 | bool Subtract = false; |
7780 | /// Source range of the loop init. |
7781 | SourceRange InitSrcRange; |
7782 | /// Source range of the loop condition. |
7783 | SourceRange CondSrcRange; |
7784 | /// Source range of the loop increment. |
7785 | SourceRange IncSrcRange; |
7786 | /// Minimum value that can have the loop control variable. Used to support |
7787 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, |
7788 | /// since only such variables can be used in non-loop invariant expressions. |
7789 | Expr *MinValue = nullptr; |
7790 | /// Maximum value that can have the loop control variable. Used to support |
7791 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, |
7792 | /// since only such variables can be used in non-loop invariant expressions. |
7793 | Expr *MaxValue = nullptr; |
7794 | /// true, if the lower bound depends on the outer loop control var. |
7795 | bool IsNonRectangularLB = false; |
7796 | /// true, if the upper bound depends on the outer loop control var. |
7797 | bool IsNonRectangularUB = false; |
7798 | /// Index of the loop this loop depends on and forms non-rectangular loop |
7799 | /// nest. |
7800 | unsigned LoopDependentIdx = 0; |
7801 | /// Final condition for the non-rectangular loop nest support. It is used to |
7802 | /// check that the number of iterations for this particular counter must be |
7803 | /// finished. |
7804 | Expr *FinalCondition = nullptr; |
7805 | }; |
7806 | |
7807 | /// Helper class for checking canonical form of the OpenMP loops and |
7808 | /// extracting iteration space of each loop in the loop nest, that will be used |
7809 | /// for IR generation. |
7810 | class OpenMPIterationSpaceChecker { |
7811 | /// Reference to Sema. |
7812 | Sema &SemaRef; |
7813 | /// Does the loop associated directive support non-rectangular loops? |
7814 | bool SupportsNonRectangular; |
7815 | /// Data-sharing stack. |
7816 | DSAStackTy &Stack; |
7817 | /// A location for diagnostics (when there is no some better location). |
7818 | SourceLocation DefaultLoc; |
7819 | /// A location for diagnostics (when increment is not compatible). |
7820 | SourceLocation ConditionLoc; |
7821 | /// A source location for referring to loop init later. |
7822 | SourceRange InitSrcRange; |
7823 | /// A source location for referring to condition later. |
7824 | SourceRange ConditionSrcRange; |
7825 | /// A source location for referring to increment later. |
7826 | SourceRange IncrementSrcRange; |
7827 | /// Loop variable. |
7828 | ValueDecl *LCDecl = nullptr; |
7829 | /// Reference to loop variable. |
7830 | Expr *LCRef = nullptr; |
7831 | /// Lower bound (initializer for the var). |
7832 | Expr *LB = nullptr; |
7833 | /// Upper bound. |
7834 | Expr *UB = nullptr; |
7835 | /// Loop step (increment). |
7836 | Expr *Step = nullptr; |
7837 | /// This flag is true when condition is one of: |
7838 | /// Var < UB |
7839 | /// Var <= UB |
7840 | /// UB > Var |
7841 | /// UB >= Var |
7842 | /// This will have no value when the condition is != |
7843 | std::optional<bool> TestIsLessOp; |
7844 | /// This flag is true when condition is strict ( < or > ). |
7845 | bool TestIsStrictOp = false; |
7846 | /// This flag is true when step is subtracted on each iteration. |
7847 | bool SubtractStep = false; |
7848 | /// The outer loop counter this loop depends on (if any). |
7849 | const ValueDecl *DepDecl = nullptr; |
7850 | /// Contains number of loop (starts from 1) on which loop counter init |
7851 | /// expression of this loop depends on. |
7852 | std::optional<unsigned> InitDependOnLC; |
7853 | /// Contains number of loop (starts from 1) on which loop counter condition |
7854 | /// expression of this loop depends on. |
7855 | std::optional<unsigned> CondDependOnLC; |
7856 | /// Checks if the provide statement depends on the loop counter. |
7857 | std::optional<unsigned> doesDependOnLoopCounter(const Stmt *S, |
7858 | bool IsInitializer); |
7859 | /// Original condition required for checking of the exit condition for |
7860 | /// non-rectangular loop. |
7861 | Expr *Condition = nullptr; |
7862 | |
7863 | public: |
7864 | OpenMPIterationSpaceChecker(Sema &SemaRef, bool SupportsNonRectangular, |
7865 | DSAStackTy &Stack, SourceLocation DefaultLoc) |
7866 | : SemaRef(SemaRef), SupportsNonRectangular(SupportsNonRectangular), |
7867 | Stack(Stack), DefaultLoc(DefaultLoc), ConditionLoc(DefaultLoc) {} |
7868 | /// Check init-expr for canonical loop form and save loop counter |
7869 | /// variable - #Var and its initialization value - #LB. |
7870 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); |
7871 | /// Check test-expr for canonical form, save upper-bound (#UB), flags |
7872 | /// for less/greater and for strict/non-strict comparison. |
7873 | bool checkAndSetCond(Expr *S); |
7874 | /// Check incr-expr for canonical loop form and return true if it |
7875 | /// does not conform, otherwise save loop step (#Step). |
7876 | bool checkAndSetInc(Expr *S); |
7877 | /// Return the loop counter variable. |
7878 | ValueDecl *getLoopDecl() const { return LCDecl; } |
7879 | /// Return the reference expression to loop counter variable. |
7880 | Expr *getLoopDeclRefExpr() const { return LCRef; } |
7881 | /// Source range of the loop init. |
7882 | SourceRange getInitSrcRange() const { return InitSrcRange; } |
7883 | /// Source range of the loop condition. |
7884 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } |
7885 | /// Source range of the loop increment. |
7886 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } |
7887 | /// True if the step should be subtracted. |
7888 | bool shouldSubtractStep() const { return SubtractStep; } |
7889 | /// True, if the compare operator is strict (<, > or !=). |
7890 | bool isStrictTestOp() const { return TestIsStrictOp; } |
7891 | /// Build the expression to calculate the number of iterations. |
7892 | Expr *buildNumIterations( |
7893 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, |
7894 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7895 | /// Build the precondition expression for the loops. |
7896 | Expr * |
7897 | buildPreCond(Scope *S, Expr *Cond, |
7898 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7899 | /// Build reference expression to the counter be used for codegen. |
7900 | DeclRefExpr * |
7901 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
7902 | DSAStackTy &DSA) const; |
7903 | /// Build reference expression to the private counter be used for |
7904 | /// codegen. |
7905 | Expr *buildPrivateCounterVar() const; |
7906 | /// Build initialization of the counter be used for codegen. |
7907 | Expr *buildCounterInit() const; |
7908 | /// Build step of the counter be used for codegen. |
7909 | Expr *buildCounterStep() const; |
7910 | /// Build loop data with counter value for depend clauses in ordered |
7911 | /// directives. |
7912 | Expr * |
7913 | buildOrderedLoopData(Scope *S, Expr *Counter, |
7914 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
7915 | SourceLocation Loc, Expr *Inc = nullptr, |
7916 | OverloadedOperatorKind OOK = OO_Amp); |
7917 | /// Builds the minimum value for the loop counter. |
7918 | std::pair<Expr *, Expr *> buildMinMaxValues( |
7919 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7920 | /// Builds final condition for the non-rectangular loops. |
7921 | Expr *buildFinalCondition(Scope *S) const; |
7922 | /// Return true if any expression is dependent. |
7923 | bool dependent() const; |
7924 | /// Returns true if the initializer forms non-rectangular loop. |
7925 | bool doesInitDependOnLC() const { return InitDependOnLC.has_value(); } |
7926 | /// Returns true if the condition forms non-rectangular loop. |
7927 | bool doesCondDependOnLC() const { return CondDependOnLC.has_value(); } |
7928 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. |
7929 | unsigned getLoopDependentIdx() const { |
7930 | return InitDependOnLC.value_or(CondDependOnLC.value_or(0)); |
7931 | } |
7932 | |
7933 | private: |
7934 | /// Check the right-hand side of an assignment in the increment |
7935 | /// expression. |
7936 | bool checkAndSetIncRHS(Expr *RHS); |
7937 | /// Helper to set loop counter variable and its initializer. |
7938 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, |
7939 | bool EmitDiags); |
7940 | /// Helper to set upper bound. |
7941 | bool setUB(Expr *NewUB, std::optional<bool> LessOp, bool StrictOp, |
7942 | SourceRange SR, SourceLocation SL); |
7943 | /// Helper to set loop increment. |
7944 | bool setStep(Expr *NewStep, bool Subtract); |
7945 | }; |
7946 | |
7947 | bool OpenMPIterationSpaceChecker::dependent() const { |
7948 | if (!LCDecl) { |
7949 | assert(!LB && !UB && !Step)(static_cast <bool> (!LB && !UB && !Step ) ? void (0) : __assert_fail ("!LB && !UB && !Step" , "clang/lib/Sema/SemaOpenMP.cpp", 7949, __extension__ __PRETTY_FUNCTION__ )); |
7950 | return false; |
7951 | } |
7952 | return LCDecl->getType()->isDependentType() || |
7953 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || |
7954 | (Step && Step->isValueDependent()); |
7955 | } |
7956 | |
7957 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, |
7958 | Expr *NewLCRefExpr, |
7959 | Expr *NewLB, bool EmitDiags) { |
7960 | // State consistency checking to ensure correct usage. |
7961 | 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", 7962, __extension__ __PRETTY_FUNCTION__ )) |
7962 | 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", 7962, __extension__ __PRETTY_FUNCTION__ )); |
7963 | if (!NewLCDecl || !NewLB || NewLB->containsErrors()) |
7964 | return true; |
7965 | LCDecl = getCanonicalDecl(NewLCDecl); |
7966 | LCRef = NewLCRefExpr; |
7967 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) |
7968 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) |
7969 | if ((Ctor->isCopyOrMoveConstructor() || |
7970 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && |
7971 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) |
7972 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); |
7973 | LB = NewLB; |
7974 | if (EmitDiags) |
7975 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); |
7976 | return false; |
7977 | } |
7978 | |
7979 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, std::optional<bool> LessOp, |
7980 | bool StrictOp, SourceRange SR, |
7981 | SourceLocation SL) { |
7982 | // State consistency checking to ensure correct usage. |
7983 | 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", 7984, __extension__ __PRETTY_FUNCTION__ )) |
7984 | 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", 7984, __extension__ __PRETTY_FUNCTION__ )); |
7985 | if (!NewUB || NewUB->containsErrors()) |
7986 | return true; |
7987 | UB = NewUB; |
7988 | if (LessOp) |
7989 | TestIsLessOp = LessOp; |
7990 | TestIsStrictOp = StrictOp; |
7991 | ConditionSrcRange = SR; |
7992 | ConditionLoc = SL; |
7993 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); |
7994 | return false; |
7995 | } |
7996 | |
7997 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { |
7998 | // State consistency checking to ensure correct usage. |
7999 | 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", 7999, __extension__ __PRETTY_FUNCTION__ )); |
8000 | if (!NewStep || NewStep->containsErrors()) |
8001 | return true; |
8002 | if (!NewStep->isValueDependent()) { |
8003 | // Check that the step is integer expression. |
8004 | SourceLocation StepLoc = NewStep->getBeginLoc(); |
8005 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( |
8006 | StepLoc, getExprAsWritten(NewStep)); |
8007 | if (Val.isInvalid()) |
8008 | return true; |
8009 | NewStep = Val.get(); |
8010 | |
8011 | // OpenMP [2.6, Canonical Loop Form, Restrictions] |
8012 | // If test-expr is of form var relational-op b and relational-op is < or |
8013 | // <= then incr-expr must cause var to increase on each iteration of the |
8014 | // loop. If test-expr is of form var relational-op b and relational-op is |
8015 | // > or >= then incr-expr must cause var to decrease on each iteration of |
8016 | // the loop. |
8017 | // If test-expr is of form b relational-op var and relational-op is < or |
8018 | // <= then incr-expr must cause var to decrease on each iteration of the |
8019 | // loop. If test-expr is of form b relational-op var and relational-op is |
8020 | // > or >= then incr-expr must cause var to increase on each iteration of |
8021 | // the loop. |
8022 | std::optional<llvm::APSInt> Result = |
8023 | NewStep->getIntegerConstantExpr(SemaRef.Context); |
8024 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); |
8025 | bool IsConstNeg = |
8026 | Result && Result->isSigned() && (Subtract != Result->isNegative()); |
8027 | bool IsConstPos = |
8028 | Result && Result->isSigned() && (Subtract == Result->isNegative()); |
8029 | bool IsConstZero = Result && !Result->getBoolValue(); |
8030 | |
8031 | // != with increment is treated as <; != with decrement is treated as > |
8032 | if (!TestIsLessOp) |
8033 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); |
8034 | if (UB && (IsConstZero || |
8035 | (*TestIsLessOp ? (IsConstNeg || (IsUnsigned && Subtract)) |
8036 | : (IsConstPos || (IsUnsigned && !Subtract))))) { |
8037 | SemaRef.Diag(NewStep->getExprLoc(), |
8038 | diag::err_omp_loop_incr_not_compatible) |
8039 | << LCDecl << *TestIsLessOp << NewStep->getSourceRange(); |
8040 | SemaRef.Diag(ConditionLoc, |
8041 | diag::note_omp_loop_cond_requres_compatible_incr) |
8042 | << *TestIsLessOp << ConditionSrcRange; |
8043 | return true; |
8044 | } |
8045 | if (*TestIsLessOp == Subtract) { |
8046 | NewStep = |
8047 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) |
8048 | .get(); |
8049 | Subtract = !Subtract; |
8050 | } |
8051 | } |
8052 | |
8053 | Step = NewStep; |
8054 | SubtractStep = Subtract; |
8055 | return false; |
8056 | } |
8057 | |
8058 | namespace { |
8059 | /// Checker for the non-rectangular loops. Checks if the initializer or |
8060 | /// condition expression references loop counter variable. |
8061 | class LoopCounterRefChecker final |
8062 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { |
8063 | Sema &SemaRef; |
8064 | DSAStackTy &Stack; |
8065 | const ValueDecl *CurLCDecl = nullptr; |
8066 | const ValueDecl *DepDecl = nullptr; |
8067 | const ValueDecl *PrevDepDecl = nullptr; |
8068 | bool IsInitializer = true; |
8069 | bool SupportsNonRectangular; |
8070 | unsigned BaseLoopId = 0; |
8071 | bool checkDecl(const Expr *E, const ValueDecl *VD) { |
8072 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { |
8073 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) |
8074 | << (IsInitializer ? 0 : 1); |
8075 | return false; |
8076 | } |
8077 | const auto &&Data = Stack.isLoopControlVariable(VD); |
8078 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. |
8079 | // The type of the loop iterator on which we depend may not have a random |
8080 | // access iterator type. |
8081 | if (Data.first && VD->getType()->isRecordType()) { |
8082 | SmallString<128> Name; |
8083 | llvm::raw_svector_ostream OS(Name); |
8084 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), |
8085 | /*Qualified=*/true); |
8086 | SemaRef.Diag(E->getExprLoc(), |
8087 | diag::err_omp_wrong_dependency_iterator_type) |
8088 | << OS.str(); |
8089 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; |
8090 | return false; |
8091 | } |
8092 | if (Data.first && !SupportsNonRectangular) { |
8093 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_invariant_dependency); |
8094 | return false; |
8095 | } |
8096 | if (Data.first && |
8097 | (DepDecl || (PrevDepDecl && |
8098 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { |
8099 | if (!DepDecl && PrevDepDecl) |
8100 | DepDecl = PrevDepDecl; |
8101 | SmallString<128> Name; |
8102 | llvm::raw_svector_ostream OS(Name); |
8103 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), |
8104 | /*Qualified=*/true); |
8105 | SemaRef.Diag(E->getExprLoc(), |
8106 | diag::err_omp_invariant_or_linear_dependency) |
8107 | << OS.str(); |
8108 | return false; |
8109 | } |
8110 | if (Data.first) { |
8111 | DepDecl = VD; |
8112 | BaseLoopId = Data.first; |
8113 | } |
8114 | return Data.first; |
8115 | } |
8116 | |
8117 | public: |
8118 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
8119 | const ValueDecl *VD = E->getDecl(); |
8120 | if (isa<VarDecl>(VD)) |
8121 | return checkDecl(E, VD); |
8122 | return false; |
8123 | } |
8124 | bool VisitMemberExpr(const MemberExpr *E) { |
8125 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { |
8126 | const ValueDecl *VD = E->getMemberDecl(); |
8127 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) |
8128 | return checkDecl(E, VD); |
8129 | } |
8130 | return false; |
8131 | } |
8132 | bool VisitStmt(const Stmt *S) { |
8133 | bool Res = false; |
8134 | for (const Stmt *Child : S->children()) |
8135 | Res = (Child && Visit(Child)) || Res; |
8136 | return Res; |
8137 | } |
8138 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, |
8139 | const ValueDecl *CurLCDecl, bool IsInitializer, |
8140 | const ValueDecl *PrevDepDecl = nullptr, |
8141 | bool SupportsNonRectangular = true) |
8142 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), |
8143 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer), |
8144 | SupportsNonRectangular(SupportsNonRectangular) {} |
8145 | unsigned getBaseLoopId() const { |
8146 | 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", 8146, __extension__ __PRETTY_FUNCTION__ )); |
8147 | return BaseLoopId; |
8148 | } |
8149 | const ValueDecl *getDepDecl() const { |
8150 | 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", 8150, __extension__ __PRETTY_FUNCTION__ )); |
8151 | return DepDecl; |
8152 | } |
8153 | }; |
8154 | } // namespace |
8155 | |
8156 | std::optional<unsigned> |
8157 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, |
8158 | bool IsInitializer) { |
8159 | // Check for the non-rectangular loops. |
8160 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, |
8161 | DepDecl, SupportsNonRectangular); |
8162 | if (LoopStmtChecker.Visit(S)) { |
8163 | DepDecl = LoopStmtChecker.getDepDecl(); |
8164 | return LoopStmtChecker.getBaseLoopId(); |
8165 | } |
8166 | return std::nullopt; |
8167 | } |
8168 | |
8169 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { |
8170 | // Check init-expr for canonical loop form and save loop counter |
8171 | // variable - #Var and its initialization value - #LB. |
8172 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: |
8173 | // var = lb |
8174 | // integer-type var = lb |
8175 | // random-access-iterator-type var = lb |
8176 | // pointer-type var = lb |
8177 | // |
8178 | if (!S) { |
8179 | if (EmitDiags) { |
8180 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); |
8181 | } |
8182 | return true; |
8183 | } |
8184 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) |
8185 | if (!ExprTemp->cleanupsHaveSideEffects()) |
8186 | S = ExprTemp->getSubExpr(); |
8187 | |
8188 | InitSrcRange = S->getSourceRange(); |
8189 | if (Expr *E = dyn_cast<Expr>(S)) |
8190 | S = E->IgnoreParens(); |
8191 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
8192 | if (BO->getOpcode() == BO_Assign) { |
8193 | Expr *LHS = BO->getLHS()->IgnoreParens(); |
8194 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { |
8195 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) |
8196 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
8197 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
8198 | EmitDiags); |
8199 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); |
8200 | } |
8201 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { |
8202 | if (ME->isArrow() && |
8203 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
8204 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
8205 | EmitDiags); |
8206 | } |
8207 | } |
8208 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { |
8209 | if (DS->isSingleDecl()) { |
8210 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { |
8211 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { |
8212 | // Accept non-canonical init form here but emit ext. warning. |
8213 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) |
8214 | SemaRef.Diag(S->getBeginLoc(), |
8215 | diag::ext_omp_loop_not_canonical_init) |
8216 | << S->getSourceRange(); |
8217 | return setLCDeclAndLB( |
8218 | Var, |
8219 | buildDeclRefExpr(SemaRef, Var, |
8220 | Var->getType().getNonReferenceType(), |
8221 | DS->getBeginLoc()), |
8222 | Var->getInit(), EmitDiags); |
8223 | } |
8224 | } |
8225 | } |
8226 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
8227 | if (CE->getOperator() == OO_Equal) { |
8228 | Expr *LHS = CE->getArg(0); |
8229 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { |
8230 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) |
8231 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
8232 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
8233 | EmitDiags); |
8234 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); |
8235 | } |
8236 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { |
8237 | if (ME->isArrow() && |
8238 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
8239 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
8240 | EmitDiags); |
8241 | } |
8242 | } |
8243 | } |
8244 | |
8245 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
8246 | return false; |
8247 | if (EmitDiags) { |
8248 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) |
8249 | << S->getSourceRange(); |
8250 | } |
8251 | return true; |
8252 | } |
8253 | |
8254 | /// Ignore parenthesizes, implicit casts, copy constructor and return the |
8255 | /// variable (which may be the loop variable) if possible. |
8256 | static const ValueDecl *getInitLCDecl(const Expr *E) { |
8257 | if (!E) |
8258 | return nullptr; |
8259 | E = getExprAsWritten(E); |
8260 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) |
8261 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) |
8262 | if ((Ctor->isCopyOrMoveConstructor() || |
8263 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && |
8264 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) |
8265 | E = CE->getArg(0)->IgnoreParenImpCasts(); |
8266 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { |
8267 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) |
8268 | return getCanonicalDecl(VD); |
8269 | } |
8270 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) |
8271 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
8272 | return getCanonicalDecl(ME->getMemberDecl()); |
8273 | return nullptr; |
8274 | } |
8275 | |
8276 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { |
8277 | // Check test-expr for canonical form, save upper-bound UB, flags for |
8278 | // less/greater and for strict/non-strict comparison. |
8279 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: |
8280 | // var relational-op b |
8281 | // b relational-op var |
8282 | // |
8283 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; |
8284 | if (!S) { |
8285 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) |
8286 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; |
8287 | return true; |
8288 | } |
8289 | Condition = S; |
8290 | S = getExprAsWritten(S); |
8291 | SourceLocation CondLoc = S->getBeginLoc(); |
8292 | auto &&CheckAndSetCond = |
8293 | [this, IneqCondIsCanonical](BinaryOperatorKind Opcode, const Expr *LHS, |
8294 | const Expr *RHS, SourceRange SR, |
8295 | SourceLocation OpLoc) -> std::optional<bool> { |
8296 | if (BinaryOperator::isRelationalOp(Opcode)) { |
8297 | if (getInitLCDecl(LHS) == LCDecl) |
8298 | return setUB(const_cast<Expr *>(RHS), |
8299 | (Opcode == BO_LT || Opcode == BO_LE), |
8300 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); |
8301 | if (getInitLCDecl(RHS) == LCDecl) |
8302 | return setUB(const_cast<Expr *>(LHS), |
8303 | (Opcode == BO_GT || Opcode == BO_GE), |
8304 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); |
8305 | } else if (IneqCondIsCanonical && Opcode == BO_NE) { |
8306 | return setUB(const_cast<Expr *>(getInitLCDecl(LHS) == LCDecl ? RHS : LHS), |
8307 | /*LessOp=*/std::nullopt, |
8308 | /*StrictOp=*/true, SR, OpLoc); |
8309 | } |
8310 | return std::nullopt; |
8311 | }; |
8312 | std::optional<bool> Res; |
8313 | if (auto *RBO = dyn_cast<CXXRewrittenBinaryOperator>(S)) { |
8314 | CXXRewrittenBinaryOperator::DecomposedForm DF = RBO->getDecomposedForm(); |
8315 | Res = CheckAndSetCond(DF.Opcode, DF.LHS, DF.RHS, RBO->getSourceRange(), |
8316 | RBO->getOperatorLoc()); |
8317 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
8318 | Res = CheckAndSetCond(BO->getOpcode(), BO->getLHS(), BO->getRHS(), |
8319 | BO->getSourceRange(), BO->getOperatorLoc()); |
8320 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
8321 | if (CE->getNumArgs() == 2) { |
8322 | Res = CheckAndSetCond( |
8323 | BinaryOperator::getOverloadedOpcode(CE->getOperator()), CE->getArg(0), |
8324 | CE->getArg(1), CE->getSourceRange(), CE->getOperatorLoc()); |
8325 | } |
8326 | } |
8327 | if (Res) |
8328 | return *Res; |
8329 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
8330 | return false; |
8331 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) |
8332 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; |
8333 | return true; |
8334 | } |
8335 | |
8336 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { |
8337 | // RHS of canonical loop form increment can be: |
8338 | // var + incr |
8339 | // incr + var |
8340 | // var - incr |
8341 | // |
8342 | RHS = RHS->IgnoreParenImpCasts(); |
8343 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { |
8344 | if (BO->isAdditiveOp()) { |
8345 | bool IsAdd = BO->getOpcode() == BO_Add; |
8346 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
8347 | return setStep(BO->getRHS(), !IsAdd); |
8348 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) |
8349 | return setStep(BO->getLHS(), /*Subtract=*/false); |
8350 | } |
8351 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { |
8352 | bool IsAdd = CE->getOperator() == OO_Plus; |
8353 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { |
8354 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8355 | return setStep(CE->getArg(1), !IsAdd); |
8356 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) |
8357 | return setStep(CE->getArg(0), /*Subtract=*/false); |
8358 | } |
8359 | } |
8360 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
8361 | return false; |
8362 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) |
8363 | << RHS->getSourceRange() << LCDecl; |
8364 | return true; |
8365 | } |
8366 | |
8367 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { |
8368 | // Check incr-expr for canonical loop form and return true if it |
8369 | // does not conform. |
8370 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: |
8371 | // ++var |
8372 | // var++ |
8373 | // --var |
8374 | // var-- |
8375 | // var += incr |
8376 | // var -= incr |
8377 | // var = var + incr |
8378 | // var = incr + var |
8379 | // var = var - incr |
8380 | // |
8381 | if (!S) { |
8382 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; |
8383 | return true; |
8384 | } |
8385 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) |
8386 | if (!ExprTemp->cleanupsHaveSideEffects()) |
8387 | S = ExprTemp->getSubExpr(); |
8388 | |
8389 | IncrementSrcRange = S->getSourceRange(); |
8390 | S = S->IgnoreParens(); |
8391 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { |
8392 | if (UO->isIncrementDecrementOp() && |
8393 | getInitLCDecl(UO->getSubExpr()) == LCDecl) |
8394 | return setStep(SemaRef |
8395 | .ActOnIntegerConstant(UO->getBeginLoc(), |
8396 | (UO->isDecrementOp() ? -1 : 1)) |
8397 | .get(), |
8398 | /*Subtract=*/false); |
8399 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
8400 | switch (BO->getOpcode()) { |
8401 | case BO_AddAssign: |
8402 | case BO_SubAssign: |
8403 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
8404 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); |
8405 | break; |
8406 | case BO_Assign: |
8407 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
8408 | return checkAndSetIncRHS(BO->getRHS()); |
8409 | break; |
8410 | default: |
8411 | break; |
8412 | } |
8413 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
8414 | switch (CE->getOperator()) { |
8415 | case OO_PlusPlus: |
8416 | case OO_MinusMinus: |
8417 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8418 | return setStep(SemaRef |
8419 | .ActOnIntegerConstant( |
8420 | CE->getBeginLoc(), |
8421 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) |
8422 | .get(), |
8423 | /*Subtract=*/false); |
8424 | break; |
8425 | case OO_PlusEqual: |
8426 | case OO_MinusEqual: |
8427 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8428 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); |
8429 | break; |
8430 | case OO_Equal: |
8431 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
8432 | return checkAndSetIncRHS(CE->getArg(1)); |
8433 | break; |
8434 | default: |
8435 | break; |
8436 | } |
8437 | } |
8438 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
8439 | return false; |
8440 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) |
8441 | << S->getSourceRange() << LCDecl; |
8442 | return true; |
8443 | } |
8444 | |
8445 | static ExprResult |
8446 | tryBuildCapture(Sema &SemaRef, Expr *Capture, |
8447 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
8448 | StringRef Name = ".capture_expr.") { |
8449 | if (SemaRef.CurContext->isDependentContext() || Capture->containsErrors()) |
8450 | return Capture; |
8451 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) |
8452 | return SemaRef.PerformImplicitConversion( |
8453 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, |
8454 | /*AllowExplicit=*/true); |
8455 | auto I = Captures.find(Capture); |
8456 | if (I != Captures.end()) |
8457 | return buildCapture(SemaRef, Capture, I->second, Name); |
8458 | DeclRefExpr *Ref = nullptr; |
8459 | ExprResult Res = buildCapture(SemaRef, Capture, Ref, Name); |
8460 | Captures[Capture] = Ref; |
8461 | return Res; |
8462 | } |
8463 | |
8464 | /// Calculate number of iterations, transforming to unsigned, if number of |
8465 | /// iterations may be larger than the original type. |
8466 | static Expr * |
8467 | calculateNumIters(Sema &SemaRef, Scope *S, SourceLocation DefaultLoc, |
8468 | Expr *Lower, Expr *Upper, Expr *Step, QualType LCTy, |
8469 | bool TestIsStrictOp, bool RoundToStep, |
8470 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
8471 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures, ".new_step"); |
8472 | if (!NewStep.isUsable()) |
8473 | return nullptr; |
8474 | llvm::APSInt LRes, SRes; |
8475 | bool IsLowerConst = false, IsStepConst = false; |
8476 | if (std::optional<llvm::APSInt> Res = |
8477 | Lower->getIntegerConstantExpr(SemaRef.Context)) { |
8478 | LRes = *Res; |
8479 | IsLowerConst = true; |
8480 | } |
8481 | if (std::optional<llvm::APSInt> Res = |
8482 | Step->getIntegerConstantExpr(SemaRef.Context)) { |
8483 | SRes = *Res; |
8484 | IsStepConst = true; |
8485 | } |
8486 | bool NoNeedToConvert = IsLowerConst && !RoundToStep && |
8487 | ((!TestIsStrictOp && LRes.isNonNegative()) || |
8488 | (TestIsStrictOp && LRes.isStrictlyPositive())); |
8489 | bool NeedToReorganize = false; |
8490 | // Check if any subexpressions in Lower -Step [+ 1] lead to overflow. |
8491 | if (!NoNeedToConvert && IsLowerConst && |
8492 | (TestIsStrictOp || (RoundToStep && IsStepConst))) { |
8493 | NoNeedToConvert = true; |
8494 | if (RoundToStep) { |
8495 | unsigned BW = LRes.getBitWidth() > SRes.getBitWidth() |
8496 | ? LRes.getBitWidth() |
8497 | : SRes.getBitWidth(); |
8498 | LRes = LRes.extend(BW + 1); |
8499 | LRes.setIsSigned(true); |
8500 | SRes = SRes.extend(BW + 1); |
8501 | SRes.setIsSigned(true); |
8502 | LRes -= SRes; |
8503 | NoNeedToConvert = LRes.trunc(BW).extend(BW + 1) == LRes; |
8504 | LRes = LRes.trunc(BW); |
8505 | } |
8506 | if (TestIsStrictOp) { |
8507 | unsigned BW = LRes.getBitWidth(); |
8508 | LRes = LRes.extend(BW + 1); |
8509 | LRes.setIsSigned(true); |
8510 | ++LRes; |
8511 | NoNeedToConvert = |
8512 | NoNeedToConvert && LRes.trunc(BW).extend(BW + 1) == LRes; |
8513 | // truncate to the original bitwidth. |
8514 | LRes = LRes.trunc(BW); |
8515 | } |
8516 | NeedToReorganize = NoNeedToConvert; |
8517 | } |
8518 | llvm::APSInt URes; |
8519 | bool IsUpperConst = false; |
8520 | if (std::optional<llvm::APSInt> Res = |
8521 | Upper->getIntegerConstantExpr(SemaRef.Context)) { |
8522 | URes = *Res; |
8523 | IsUpperConst = true; |
8524 | } |
8525 | if (NoNeedToConvert && IsLowerConst && IsUpperConst && |
8526 | (!RoundToStep || IsStepConst)) { |
8527 | unsigned BW = LRes.getBitWidth() > URes.getBitWidth() ? LRes.getBitWidth() |
8528 | : URes.getBitWidth(); |
8529 | LRes = LRes.extend(BW + 1); |
8530 | LRes.setIsSigned(true); |
8531 | URes = URes.extend(BW + 1); |
8532 | URes.setIsSigned(true); |
8533 | URes -= LRes; |
8534 | NoNeedToConvert = URes.trunc(BW).extend(BW + 1) == URes; |
8535 | NeedToReorganize = NoNeedToConvert; |
8536 | } |
8537 | // If the boundaries are not constant or (Lower - Step [+ 1]) is not constant |
8538 | // or less than zero (Upper - (Lower - Step [+ 1]) may overflow) - promote to |
8539 | // unsigned. |
8540 | if ((!NoNeedToConvert || (LRes.isNegative() && !IsUpperConst)) && |
8541 | !LCTy->isDependentType() && LCTy->isIntegerType()) { |
8542 | QualType LowerTy = Lower->getType(); |
8543 | QualType UpperTy = Upper->getType(); |
8544 | uint64_t LowerSize = SemaRef.Context.getTypeSize(LowerTy); |
8545 | uint64_t UpperSize = SemaRef.Context.getTypeSize(UpperTy); |
8546 | if ((LowerSize <= UpperSize && UpperTy->hasSignedIntegerRepresentation()) || |
8547 | (LowerSize > UpperSize && LowerTy->hasSignedIntegerRepresentation())) { |
8548 | QualType CastType = SemaRef.Context.getIntTypeForBitwidth( |
8549 | LowerSize > UpperSize ? LowerSize : UpperSize, /*Signed=*/0); |
8550 | Upper = |
8551 | SemaRef |
8552 | .PerformImplicitConversion( |
8553 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), |
8554 | CastType, Sema::AA_Converting) |
8555 | .get(); |
8556 | Lower = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(); |
8557 | NewStep = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, NewStep.get()); |
8558 | } |
8559 | } |
8560 | if (!Lower || !Upper || NewStep.isInvalid()) |
8561 | return nullptr; |
8562 | |
8563 | ExprResult Diff; |
8564 | // If need to reorganize, then calculate the form as Upper - (Lower - Step [+ |
8565 | // 1]). |
8566 | if (NeedToReorganize) { |
8567 | Diff = Lower; |
8568 | |
8569 | if (RoundToStep) { |
8570 | // Lower - Step |
8571 | Diff = |
8572 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Diff.get(), NewStep.get()); |
8573 | if (!Diff.isUsable()) |
8574 | return nullptr; |
8575 | } |
8576 | |
8577 | // Lower - Step [+ 1] |
8578 | if (TestIsStrictOp) |
8579 | Diff = SemaRef.BuildBinOp( |
8580 | S, DefaultLoc, BO_Add, Diff.get(), |
8581 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
8582 | if (!Diff.isUsable()) |
8583 | return nullptr; |
8584 | |
8585 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8586 | if (!Diff.isUsable()) |
8587 | return nullptr; |
8588 | |
8589 | // Upper - (Lower - Step [+ 1]). |
8590 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); |
8591 | if (!Diff.isUsable()) |
8592 | return nullptr; |
8593 | } else { |
8594 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); |
8595 | |
8596 | if (!Diff.isUsable() && LCTy->getAsCXXRecordDecl()) { |
8597 | // BuildBinOp already emitted error, this one is to point user to upper |
8598 | // and lower bound, and to tell what is passed to 'operator-'. |
8599 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) |
8600 | << Upper->getSourceRange() << Lower->getSourceRange(); |
8601 | return nullptr; |
8602 | } |
8603 | |
8604 | if (!Diff.isUsable()) |
8605 | return nullptr; |
8606 | |
8607 | // Upper - Lower [- 1] |
8608 | if (TestIsStrictOp) |
8609 | Diff = SemaRef.BuildBinOp( |
8610 | S, DefaultLoc, BO_Sub, Diff.get(), |
8611 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
8612 | if (!Diff.isUsable()) |
8613 | return nullptr; |
8614 | |
8615 | if (RoundToStep) { |
8616 | // Upper - Lower [- 1] + Step |
8617 | Diff = |
8618 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); |
8619 | if (!Diff.isUsable()) |
8620 | return nullptr; |
8621 | } |
8622 | } |
8623 | |
8624 | // Parentheses (for dumping/debugging purposes only). |
8625 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8626 | if (!Diff.isUsable()) |
8627 | return nullptr; |
8628 | |
8629 | // (Upper - Lower [- 1] + Step) / Step or (Upper - Lower) / Step |
8630 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); |
8631 | if (!Diff.isUsable()) |
8632 | return nullptr; |
8633 | |
8634 | return Diff.get(); |
8635 | } |
8636 | |
8637 | /// Build the expression to calculate the number of iterations. |
8638 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( |
8639 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, |
8640 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8641 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8642 | if (!VarType->isIntegerType() && !VarType->isPointerType() && |
8643 | !SemaRef.getLangOpts().CPlusPlus) |
8644 | return nullptr; |
8645 | Expr *LBVal = LB; |
8646 | Expr *UBVal = UB; |
8647 | // OuterVar = (LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : |
8648 | // max(LB(MinVal), LB(MaxVal))) |
8649 | if (InitDependOnLC) { |
8650 | const LoopIterationSpace &IS = ResultIterSpaces[*InitDependOnLC - 1]; |
8651 | if (!IS.MinValue || !IS.MaxValue) |
8652 | return nullptr; |
8653 | // OuterVar = Min |
8654 | ExprResult MinValue = |
8655 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); |
8656 | if (!MinValue.isUsable()) |
8657 | return nullptr; |
8658 | |
8659 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8660 | IS.CounterVar, MinValue.get()); |
8661 | if (!LBMinVal.isUsable()) |
8662 | return nullptr; |
8663 | // OuterVar = Min, LBVal |
8664 | LBMinVal = |
8665 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); |
8666 | if (!LBMinVal.isUsable()) |
8667 | return nullptr; |
8668 | // (OuterVar = Min, LBVal) |
8669 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); |
8670 | if (!LBMinVal.isUsable()) |
8671 | return nullptr; |
8672 | |
8673 | // OuterVar = Max |
8674 | ExprResult MaxValue = |
8675 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); |
8676 | if (!MaxValue.isUsable()) |
8677 | return nullptr; |
8678 | |
8679 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8680 | IS.CounterVar, MaxValue.get()); |
8681 | if (!LBMaxVal.isUsable()) |
8682 | return nullptr; |
8683 | // OuterVar = Max, LBVal |
8684 | LBMaxVal = |
8685 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); |
8686 | if (!LBMaxVal.isUsable()) |
8687 | return nullptr; |
8688 | // (OuterVar = Max, LBVal) |
8689 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); |
8690 | if (!LBMaxVal.isUsable()) |
8691 | return nullptr; |
8692 | |
8693 | Expr *LBMin = |
8694 | tryBuildCapture(SemaRef, LBMinVal.get(), Captures, ".lb_min").get(); |
8695 | Expr *LBMax = |
8696 | tryBuildCapture(SemaRef, LBMaxVal.get(), Captures, ".lb_max").get(); |
8697 | if (!LBMin || !LBMax) |
8698 | return nullptr; |
8699 | // LB(MinVal) < LB(MaxVal) |
8700 | ExprResult MinLessMaxRes = |
8701 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); |
8702 | if (!MinLessMaxRes.isUsable()) |
8703 | return nullptr; |
8704 | Expr *MinLessMax = |
8705 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures, ".min_less_max") |
8706 | .get(); |
8707 | if (!MinLessMax) |
8708 | return nullptr; |
8709 | if (*TestIsLessOp) { |
8710 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), |
8711 | // LB(MaxVal)) |
8712 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, |
8713 | MinLessMax, LBMin, LBMax); |
8714 | if (!MinLB.isUsable()) |
8715 | return nullptr; |
8716 | LBVal = MinLB.get(); |
8717 | } else { |
8718 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), |
8719 | // LB(MaxVal)) |
8720 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, |
8721 | MinLessMax, LBMax, LBMin); |
8722 | if (!MaxLB.isUsable()) |
8723 | return nullptr; |
8724 | LBVal = MaxLB.get(); |
8725 | } |
8726 | // OuterVar = LB |
8727 | LBMinVal = |
8728 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, IS.CounterVar, LBVal); |
8729 | if (!LBMinVal.isUsable()) |
8730 | return nullptr; |
8731 | LBVal = LBMinVal.get(); |
8732 | } |
8733 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : |
8734 | // min(UB(MinVal), UB(MaxVal)) |
8735 | if (CondDependOnLC) { |
8736 | const LoopIterationSpace &IS = ResultIterSpaces[*CondDependOnLC - 1]; |
8737 | if (!IS.MinValue || !IS.MaxValue) |
8738 | return nullptr; |
8739 | // OuterVar = Min |
8740 | ExprResult MinValue = |
8741 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); |
8742 | if (!MinValue.isUsable()) |
8743 | return nullptr; |
8744 | |
8745 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8746 | IS.CounterVar, MinValue.get()); |
8747 | if (!UBMinVal.isUsable()) |
8748 | return nullptr; |
8749 | // OuterVar = Min, UBVal |
8750 | UBMinVal = |
8751 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); |
8752 | if (!UBMinVal.isUsable()) |
8753 | return nullptr; |
8754 | // (OuterVar = Min, UBVal) |
8755 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); |
8756 | if (!UBMinVal.isUsable()) |
8757 | return nullptr; |
8758 | |
8759 | // OuterVar = Max |
8760 | ExprResult MaxValue = |
8761 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); |
8762 | if (!MaxValue.isUsable()) |
8763 | return nullptr; |
8764 | |
8765 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8766 | IS.CounterVar, MaxValue.get()); |
8767 | if (!UBMaxVal.isUsable()) |
8768 | return nullptr; |
8769 | // OuterVar = Max, UBVal |
8770 | UBMaxVal = |
8771 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); |
8772 | if (!UBMaxVal.isUsable()) |
8773 | return nullptr; |
8774 | // (OuterVar = Max, UBVal) |
8775 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); |
8776 | if (!UBMaxVal.isUsable()) |
8777 | return nullptr; |
8778 | |
8779 | Expr *UBMin = |
8780 | tryBuildCapture(SemaRef, UBMinVal.get(), Captures, ".ub_min").get(); |
8781 | Expr *UBMax = |
8782 | tryBuildCapture(SemaRef, UBMaxVal.get(), Captures, ".ub_max").get(); |
8783 | if (!UBMin || !UBMax) |
8784 | return nullptr; |
8785 | // UB(MinVal) > UB(MaxVal) |
8786 | ExprResult MinGreaterMaxRes = |
8787 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); |
8788 | if (!MinGreaterMaxRes.isUsable()) |
8789 | return nullptr; |
8790 | Expr *MinGreaterMax = tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), |
8791 | Captures, ".min_greater_max") |
8792 | .get(); |
8793 | if (!MinGreaterMax) |
8794 | return nullptr; |
8795 | if (*TestIsLessOp) { |
8796 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), |
8797 | // UB(MaxVal)) |
8798 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( |
8799 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); |
8800 | if (!MaxUB.isUsable()) |
8801 | return nullptr; |
8802 | UBVal = MaxUB.get(); |
8803 | } else { |
8804 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), |
8805 | // UB(MaxVal)) |
8806 | ExprResult MinUB = SemaRef.ActOnConditionalOp( |
8807 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); |
8808 | if (!MinUB.isUsable()) |
8809 | return nullptr; |
8810 | UBVal = MinUB.get(); |
8811 | } |
8812 | } |
8813 | Expr *UBExpr = *TestIsLessOp ? UBVal : LBVal; |
8814 | Expr *LBExpr = *TestIsLessOp ? LBVal : UBVal; |
8815 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures, ".upper").get(); |
8816 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures, ".lower").get(); |
8817 | if (!Upper || !Lower) |
8818 | return nullptr; |
8819 | |
8820 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, |
8821 | Step, VarType, TestIsStrictOp, |
8822 | /*RoundToStep=*/true, Captures); |
8823 | if (!Diff.isUsable()) |
8824 | return nullptr; |
8825 | |
8826 | // OpenMP runtime requires 32-bit or 64-bit loop variables. |
8827 | QualType Type = Diff.get()->getType(); |
8828 | ASTContext &C = SemaRef.Context; |
8829 | bool UseVarType = VarType->hasIntegerRepresentation() && |
8830 | C.getTypeSize(Type) > C.getTypeSize(VarType); |
8831 | if (!Type->isIntegerType() || UseVarType) { |
8832 | unsigned NewSize = |
8833 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); |
8834 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() |
8835 | : Type->hasSignedIntegerRepresentation(); |
8836 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); |
8837 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { |
8838 | Diff = SemaRef.PerformImplicitConversion( |
8839 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); |
8840 | if (!Diff.isUsable()) |
8841 | return nullptr; |
8842 | } |
8843 | } |
8844 | if (LimitedType) { |
8845 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; |
8846 | if (NewSize != C.getTypeSize(Type)) { |
8847 | if (NewSize < C.getTypeSize(Type)) { |
8848 | 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", 8848, __extension__ __PRETTY_FUNCTION__ )); |
8849 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) |
8850 | << InitSrcRange << ConditionSrcRange; |
8851 | } |
8852 | QualType NewType = C.getIntTypeForBitwidth( |
8853 | NewSize, Type->hasSignedIntegerRepresentation() || |
8854 | C.getTypeSize(Type) < NewSize); |
8855 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { |
8856 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, |
8857 | Sema::AA_Converting, true); |
8858 | if (!Diff.isUsable()) |
8859 | return nullptr; |
8860 | } |
8861 | } |
8862 | } |
8863 | |
8864 | return Diff.get(); |
8865 | } |
8866 | |
8867 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( |
8868 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8869 | // Do not build for iterators, they cannot be used in non-rectangular loop |
8870 | // nests. |
8871 | if (LCDecl->getType()->isRecordType()) |
8872 | return std::make_pair(nullptr, nullptr); |
8873 | // If we subtract, the min is in the condition, otherwise the min is in the |
8874 | // init value. |
8875 | Expr *MinExpr = nullptr; |
8876 | Expr *MaxExpr = nullptr; |
8877 | Expr *LBExpr = *TestIsLessOp ? LB : UB; |
8878 | Expr *UBExpr = *TestIsLessOp ? UB : LB; |
8879 | bool LBNonRect = |
8880 | *TestIsLessOp ? InitDependOnLC.has_value() : CondDependOnLC.has_value(); |
8881 | bool UBNonRect = |
8882 | *TestIsLessOp ? CondDependOnLC.has_value() : InitDependOnLC.has_value(); |
8883 | Expr *Lower = |
8884 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); |
8885 | Expr *Upper = |
8886 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); |
8887 | if (!Upper || !Lower) |
8888 | return std::make_pair(nullptr, nullptr); |
8889 | |
8890 | if (*TestIsLessOp) |
8891 | MinExpr = Lower; |
8892 | else |
8893 | MaxExpr = Upper; |
8894 | |
8895 | // Build minimum/maximum value based on number of iterations. |
8896 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8897 | |
8898 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, |
8899 | Step, VarType, TestIsStrictOp, |
8900 | /*RoundToStep=*/false, Captures); |
8901 | if (!Diff.isUsable()) |
8902 | return std::make_pair(nullptr, nullptr); |
8903 | |
8904 | // ((Upper - Lower [- 1]) / Step) * Step |
8905 | // Parentheses (for dumping/debugging purposes only). |
8906 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8907 | if (!Diff.isUsable()) |
8908 | return std::make_pair(nullptr, nullptr); |
8909 | |
8910 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures, ".new_step"); |
8911 | if (!NewStep.isUsable()) |
8912 | return std::make_pair(nullptr, nullptr); |
8913 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); |
8914 | if (!Diff.isUsable()) |
8915 | return std::make_pair(nullptr, nullptr); |
8916 | |
8917 | // Parentheses (for dumping/debugging purposes only). |
8918 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8919 | if (!Diff.isUsable()) |
8920 | return std::make_pair(nullptr, nullptr); |
8921 | |
8922 | // Convert to the ptrdiff_t, if original type is pointer. |
8923 | if (VarType->isAnyPointerType() && |
8924 | !SemaRef.Context.hasSameType( |
8925 | Diff.get()->getType(), |
8926 | SemaRef.Context.getUnsignedPointerDiffType())) { |
8927 | Diff = SemaRef.PerformImplicitConversion( |
8928 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), |
8929 | Sema::AA_Converting, /*AllowExplicit=*/true); |
8930 | } |
8931 | if (!Diff.isUsable()) |
8932 | return std::make_pair(nullptr, nullptr); |
8933 | |
8934 | if (*TestIsLessOp) { |
8935 | // MinExpr = Lower; |
8936 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) |
8937 | Diff = SemaRef.BuildBinOp( |
8938 | S, DefaultLoc, BO_Add, |
8939 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(), |
8940 | Diff.get()); |
8941 | if (!Diff.isUsable()) |
8942 | return std::make_pair(nullptr, nullptr); |
8943 | } else { |
8944 | // MaxExpr = Upper; |
8945 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) |
8946 | Diff = SemaRef.BuildBinOp( |
8947 | S, DefaultLoc, BO_Sub, |
8948 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), |
8949 | Diff.get()); |
8950 | if (!Diff.isUsable()) |
8951 | return std::make_pair(nullptr, nullptr); |
8952 | } |
8953 | |
8954 | // Convert to the original type. |
8955 | if (SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) |
8956 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), VarType, |
8957 | Sema::AA_Converting, |
8958 | /*AllowExplicit=*/true); |
8959 | if (!Diff.isUsable()) |
8960 | return std::make_pair(nullptr, nullptr); |
8961 | |
8962 | Sema::TentativeAnalysisScope Trap(SemaRef); |
8963 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue=*/false); |
8964 | if (!Diff.isUsable()) |
8965 | return std::make_pair(nullptr, nullptr); |
8966 | |
8967 | if (*TestIsLessOp) |
8968 | MaxExpr = Diff.get(); |
8969 | else |
8970 | MinExpr = Diff.get(); |
8971 | |
8972 | return std::make_pair(MinExpr, MaxExpr); |
8973 | } |
8974 | |
8975 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { |
8976 | if (InitDependOnLC || CondDependOnLC) |
8977 | return Condition; |
8978 | return nullptr; |
8979 | } |
8980 | |
8981 | Expr *OpenMPIterationSpaceChecker::buildPreCond( |
8982 | Scope *S, Expr *Cond, |
8983 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8984 | // Do not build a precondition when the condition/initialization is dependent |
8985 | // to prevent pessimistic early loop exit. |
8986 | // TODO: this can be improved by calculating min/max values but not sure that |
8987 | // it will be very effective. |
8988 | if (CondDependOnLC || InitDependOnLC) |
8989 | return SemaRef |
8990 | .PerformImplicitConversion( |
8991 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), |
8992 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, |
8993 | /*AllowExplicit=*/true) |
8994 | .get(); |
8995 | |
8996 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. |
8997 | Sema::TentativeAnalysisScope Trap(SemaRef); |
8998 | |
8999 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); |
9000 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); |
9001 | if (!NewLB.isUsable() || !NewUB.isUsable()) |
9002 | return nullptr; |
9003 | |
9004 | ExprResult CondExpr = |
9005 | SemaRef.BuildBinOp(S, DefaultLoc, |
9006 | *TestIsLessOp ? (TestIsStrictOp ? BO_LT : BO_LE) |
9007 | : (TestIsStrictOp ? BO_GT : BO_GE), |
9008 | NewLB.get(), NewUB.get()); |
9009 | if (CondExpr.isUsable()) { |
9010 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), |
9011 | SemaRef.Context.BoolTy)) |
9012 | CondExpr = SemaRef.PerformImplicitConversion( |
9013 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, |
9014 | /*AllowExplicit=*/true); |
9015 | } |
9016 | |
9017 | // Otherwise use original loop condition and evaluate it in runtime. |
9018 | return CondExpr.isUsable() ? CondExpr.get() : Cond; |
9019 | } |
9020 | |
9021 | /// Build reference expression to the counter be used for codegen. |
9022 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( |
9023 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
9024 | DSAStackTy &DSA) const { |
9025 | auto *VD = dyn_cast<VarDecl>(LCDecl); |
9026 | if (!VD) { |
9027 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); |
9028 | DeclRefExpr *Ref = buildDeclRefExpr( |
9029 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); |
9030 | const DSAStackTy::DSAVarData Data = |
9031 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); |
9032 | // If the loop control decl is explicitly marked as private, do not mark it |
9033 | // as captured again. |
9034 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) |
9035 | Captures.insert(std::make_pair(LCRef, Ref)); |
9036 | return Ref; |
9037 | } |
9038 | return cast<DeclRefExpr>(LCRef); |
9039 | } |
9040 | |
9041 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { |
9042 | if (LCDecl && !LCDecl->isInvalidDecl()) { |
9043 | QualType Type = LCDecl->getType().getNonReferenceType(); |
9044 | VarDecl *PrivateVar = buildVarDecl( |
9045 | SemaRef, DefaultLoc, Type, LCDecl->getName(), |
9046 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, |
9047 | isa<VarDecl>(LCDecl) |
9048 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) |
9049 | : nullptr); |
9050 | if (PrivateVar->isInvalidDecl()) |
9051 | return nullptr; |
9052 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); |
9053 | } |
9054 | return nullptr; |
9055 | } |
9056 | |
9057 | /// Build initialization of the counter to be used for codegen. |
9058 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } |
9059 | |
9060 | /// Build step of the counter be used for codegen. |
9061 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } |
9062 | |
9063 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( |
9064 | Scope *S, Expr *Counter, |
9065 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, |
9066 | Expr *Inc, OverloadedOperatorKind OOK) { |
9067 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); |
9068 | if (!Cnt) |
9069 | return nullptr; |
9070 | if (Inc) { |
9071 | 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", 9072, __extension__ __PRETTY_FUNCTION__ )) |
9072 | "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", 9072, __extension__ __PRETTY_FUNCTION__ )); |
9073 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; |
9074 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); |
9075 | if (!Cnt) |
9076 | return nullptr; |
9077 | } |
9078 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
9079 | if (!VarType->isIntegerType() && !VarType->isPointerType() && |
9080 | !SemaRef.getLangOpts().CPlusPlus) |
9081 | return nullptr; |
9082 | // Upper - Lower |
9083 | Expr *Upper = |
9084 | *TestIsLessOp ? Cnt : tryBuildCapture(SemaRef, LB, Captures).get(); |
9085 | Expr *Lower = |
9086 | *TestIsLessOp ? tryBuildCapture(SemaRef, LB, Captures).get() : Cnt; |
9087 | if (!Upper || !Lower) |
9088 | return nullptr; |
9089 | |
9090 | ExprResult Diff = calculateNumIters( |
9091 | SemaRef, S, DefaultLoc, Lower, Upper, Step, VarType, |
9092 | /*TestIsStrictOp=*/false, /*RoundToStep=*/false, Captures); |
9093 | if (!Diff.isUsable()) |
9094 | return nullptr; |
9095 | |
9096 | return Diff.get(); |
9097 | } |
9098 | } // namespace |
9099 | |
9100 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { |
9101 | 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", 9101, __extension__ __PRETTY_FUNCTION__ )); |
9102 | 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", 9102, __extension__ __PRETTY_FUNCTION__ )); |
9103 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); |
9104 | if (AssociatedLoops > 0 && |
9105 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
9106 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
9107 | OpenMPIterationSpaceChecker ISC(*this, /*SupportsNonRectangular=*/true, |
9108 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); |
9109 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { |
9110 | if (ValueDecl *D = ISC.getLoopDecl()) { |
9111 | auto *VD = dyn_cast<VarDecl>(D); |
9112 | DeclRefExpr *PrivateRef = nullptr; |
9113 | if (!VD) { |
9114 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { |
9115 | VD = Private; |
9116 | } else { |
9117 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), |
9118 | /*WithInit=*/false); |
9119 | VD = cast<VarDecl>(PrivateRef->getDecl()); |
9120 | } |
9121 | } |
9122 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); |
9123 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); |
9124 | if (LD != D->getCanonicalDecl()) { |
9125 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); |
9126 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) |
9127 | MarkDeclarationsReferencedInExpr( |
9128 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), |
9129 | Var->getType().getNonLValueExprType(Context), |
9130 | ForLoc, /*RefersToCapture=*/true)); |
9131 | } |
9132 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
9133 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables |
9134 | // Referenced in a Construct, C/C++]. The loop iteration variable in the |
9135 | // associated for-loop of a simd construct with just one associated |
9136 | // for-loop may be listed in a linear clause with a constant-linear-step |
9137 | // that is the increment of the associated for-loop. The loop iteration |
9138 | // variable(s) in the associated for-loop(s) of a for or parallel for |
9139 | // construct may be listed in a private or lastprivate clause. |
9140 | DSAStackTy::DSAVarData DVar = |
9141 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
9142 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable |
9143 | // is declared in the loop and it is predetermined as a private. |
9144 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); |
9145 | OpenMPClauseKind PredeterminedCKind = |
9146 | isOpenMPSimdDirective(DKind) |
9147 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) |
9148 | : OMPC_private; |
9149 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && |
9150 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && |
9151 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && |
9152 | DVar.CKind != OMPC_private))) || |
9153 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || |
9154 | DKind == OMPD_master_taskloop || DKind == OMPD_masked_taskloop || |
9155 | DKind == OMPD_parallel_master_taskloop || |
9156 | DKind == OMPD_parallel_masked_taskloop || |
9157 | isOpenMPDistributeDirective(DKind)) && |
9158 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && |
9159 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && |
9160 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { |
9161 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) |
9162 | << getOpenMPClauseName(DVar.CKind) |
9163 | << getOpenMPDirectiveName(DKind) |
9164 | << getOpenMPClauseName(PredeterminedCKind); |
9165 | if (DVar.RefExpr == nullptr) |
9166 | DVar.CKind = PredeterminedCKind; |
9167 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, |
9168 | /*IsLoopIterVar=*/true); |
9169 | } else if (LoopDeclRefExpr) { |
9170 | // Make the loop iteration variable private (for worksharing |
9171 | // constructs), linear (for simd directives with the only one |
9172 | // associated loop) or lastprivate (for simd directives with several |
9173 | // collapsed or ordered loops). |
9174 | if (DVar.CKind == OMPC_unknown) |
9175 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, |
9176 | PrivateRef); |
9177 | } |
9178 | } |
9179 | } |
9180 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); |
9181 | } |
9182 | } |
9183 | |
9184 | /// Called on a for stmt to check and extract its iteration space |
9185 | /// for further processing (such as collapsing). |
9186 | static bool checkOpenMPIterationSpace( |
9187 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, |
9188 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, |
9189 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, |
9190 | Expr *OrderedLoopCountExpr, |
9191 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, |
9192 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, |
9193 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
9194 | bool SupportsNonRectangular = !isOpenMPLoopTransformationDirective(DKind); |
9195 | // OpenMP [2.9.1, Canonical Loop Form] |
9196 | // for (init-expr; test-expr; incr-expr) structured-block |
9197 | // for (range-decl: range-expr) structured-block |
9198 | if (auto *CanonLoop = dyn_cast_or_null<OMPCanonicalLoop>(S)) |
9199 | S = CanonLoop->getLoopStmt(); |
9200 | auto *For = dyn_cast_or_null<ForStmt>(S); |
9201 | auto *CXXFor = dyn_cast_or_null<CXXForRangeStmt>(S); |
9202 | // Ranged for is supported only in OpenMP 5.0. |
9203 | if (!For && (SemaRef.LangOpts.OpenMP <= 45 || !CXXFor)) { |
9204 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) |
9205 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) |
9206 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount |
9207 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; |
9208 | if (TotalNestedLoopCount > 1) { |
9209 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) |
9210 | SemaRef.Diag(DSA.getConstructLoc(), |
9211 | diag::note_omp_collapse_ordered_expr) |
9212 | << 2 << CollapseLoopCountExpr->getSourceRange() |
9213 | << OrderedLoopCountExpr->getSourceRange(); |
9214 | else if (CollapseLoopCountExpr) |
9215 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), |
9216 | diag::note_omp_collapse_ordered_expr) |
9217 | << 0 << CollapseLoopCountExpr->getSourceRange(); |
9218 | else |
9219 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), |
9220 | diag::note_omp_collapse_ordered_expr) |
9221 | << 1 << OrderedLoopCountExpr->getSourceRange(); |
9222 | } |
9223 | return true; |
9224 | } |
9225 | 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", 9226, __extension__ __PRETTY_FUNCTION__ )) |
9226 | "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", 9226, __extension__ __PRETTY_FUNCTION__ )); |
9227 | // Postpone analysis in dependent contexts for ranged for loops. |
9228 | if (CXXFor && SemaRef.CurContext->isDependentContext()) |
9229 | return false; |
9230 | |
9231 | OpenMPIterationSpaceChecker ISC(SemaRef, SupportsNonRectangular, DSA, |
9232 | For ? For->getForLoc() : CXXFor->getForLoc()); |
9233 | |
9234 | // Check init. |
9235 | Stmt *Init = For ? For->getInit() : CXXFor->getBeginStmt(); |
9236 | if (ISC.checkAndSetInit(Init)) |
9237 | return true; |
9238 | |
9239 | bool HasErrors = false; |
9240 | |
9241 | // Check loop variable's type. |
9242 | if (ValueDecl *LCDecl = ISC.getLoopDecl()) { |
9243 | // OpenMP [2.6, Canonical Loop Form] |
9244 | // Var is one of the following: |
9245 | // A variable of signed or unsigned integer type. |
9246 | // For C++, a variable of a random access iterator type. |
9247 | // For C, a variable of a pointer type. |
9248 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
9249 | if (!VarType->isDependentType() && !VarType->isIntegerType() && |
9250 | !VarType->isPointerType() && |
9251 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { |
9252 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) |
9253 | << SemaRef.getLangOpts().CPlusPlus; |
9254 | HasErrors = true; |
9255 | } |
9256 | |
9257 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in |
9258 | // a Construct |
9259 | // The loop iteration variable(s) in the associated for-loop(s) of a for or |
9260 | // parallel for construct is (are) private. |
9261 | // The loop iteration variable in the associated for-loop of a simd |
9262 | // construct with just one associated for-loop is linear with a |
9263 | // constant-linear-step that is the increment of the associated for-loop. |
9264 | // Exclude loop var from the list of variables with implicitly defined data |
9265 | // sharing attributes. |
9266 | VarsWithImplicitDSA.erase(LCDecl); |
9267 | |
9268 | 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", 9268, __extension__ __PRETTY_FUNCTION__ )); |
9269 | |
9270 | // Check test-expr. |
9271 | HasErrors |= ISC.checkAndSetCond(For ? For->getCond() : CXXFor->getCond()); |
9272 | |
9273 | // Check incr-expr. |
9274 | HasErrors |= ISC.checkAndSetInc(For ? For->getInc() : CXXFor->getInc()); |
9275 | } |
9276 | |
9277 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) |
9278 | return HasErrors; |
9279 | |
9280 | // Build the loop's iteration space representation. |
9281 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond( |
9282 | DSA.getCurScope(), For ? For->getCond() : CXXFor->getCond(), Captures); |
9283 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = |
9284 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, |
9285 | (isOpenMPWorksharingDirective(DKind) || |
9286 | isOpenMPGenericLoopDirective(DKind) || |
9287 | isOpenMPTaskLoopDirective(DKind) || |
9288 | isOpenMPDistributeDirective(DKind) || |
9289 | isOpenMPLoopTransformationDirective(DKind)), |
9290 | Captures); |
9291 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = |
9292 | ISC.buildCounterVar(Captures, DSA); |
9293 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = |
9294 | ISC.buildPrivateCounterVar(); |
9295 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); |
9296 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); |
9297 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); |
9298 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = |
9299 | ISC.getConditionSrcRange(); |
9300 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = |
9301 | ISC.getIncrementSrcRange(); |
9302 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); |
9303 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = |
9304 | ISC.isStrictTestOp(); |
9305 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, |
9306 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = |
9307 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); |
9308 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = |
9309 | ISC.buildFinalCondition(DSA.getCurScope()); |
9310 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = |
9311 | ISC.doesInitDependOnLC(); |
9312 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = |
9313 | ISC.doesCondDependOnLC(); |
9314 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = |
9315 | ISC.getLoopDependentIdx(); |
9316 | |
9317 | HasErrors |= |
9318 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || |
9319 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || |
9320 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || |
9321 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || |
9322 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || |
9323 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); |
9324 | if (!HasErrors && DSA.isOrderedRegion()) { |
9325 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { |
9326 | if (CurrentNestedLoopCount < |
9327 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { |
9328 | DSA.getOrderedRegionParam().second->setLoopNumIterations( |
9329 | CurrentNestedLoopCount, |
9330 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); |
9331 | DSA.getOrderedRegionParam().second->setLoopCounter( |
9332 | CurrentNestedLoopCount, |
9333 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); |
9334 | } |
9335 | } |
9336 | for (auto &Pair : DSA.getDoacrossDependClauses()) { |
9337 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { |
9338 | // Erroneous case - clause has some problems. |
9339 | continue; |
9340 | } |
9341 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && |
9342 | Pair.second.size() <= CurrentNestedLoopCount) { |
9343 | // Erroneous case - clause has some problems. |
9344 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); |
9345 | continue; |
9346 | } |
9347 | Expr *CntValue; |
9348 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) |
9349 | CntValue = ISC.buildOrderedLoopData( |
9350 | DSA.getCurScope(), |
9351 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, |
9352 | Pair.first->getDependencyLoc()); |
9353 | else |
9354 | CntValue = ISC.buildOrderedLoopData( |
9355 | DSA.getCurScope(), |
9356 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, |
9357 | Pair.first->getDependencyLoc(), |
9358 | Pair.second[CurrentNestedLoopCount].first, |
9359 | Pair.second[CurrentNestedLoopCount].second); |
9360 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); |
9361 | } |
9362 | } |
9363 | |
9364 | return HasErrors; |
9365 | } |
9366 | |
9367 | /// Build 'VarRef = Start. |
9368 | static ExprResult |
9369 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, |
9370 | ExprResult Start, bool IsNonRectangularLB, |
9371 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
9372 | // Build 'VarRef = Start. |
9373 | ExprResult NewStart = IsNonRectangularLB |
9374 | ? Start.get() |
9375 | : tryBuildCapture(SemaRef, Start.get(), Captures); |
9376 | if (!NewStart.isUsable()) |
9377 | return ExprError(); |
9378 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), |
9379 | VarRef.get()->getType())) { |
9380 | NewStart = SemaRef.PerformImplicitConversion( |
9381 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, |
9382 | /*AllowExplicit=*/true); |
9383 | if (!NewStart.isUsable()) |
9384 | return ExprError(); |
9385 | } |
9386 | |
9387 | ExprResult Init = |
9388 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); |
9389 | return Init; |
9390 | } |
9391 | |
9392 | /// Build 'VarRef = Start + Iter * Step'. |
9393 | static ExprResult buildCounterUpdate( |
9394 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, |
9395 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, |
9396 | bool IsNonRectangularLB, |
9397 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { |
9398 | // Add parentheses (for debugging purposes only). |
9399 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); |
9400 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || |
9401 | !Step.isUsable()) |
9402 | return ExprError(); |
9403 | |
9404 | ExprResult NewStep = Step; |
9405 | if (Captures) |
9406 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); |
9407 | if (NewStep.isInvalid()) |
9408 | return ExprError(); |
9409 | ExprResult Update = |
9410 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); |
9411 | if (!Update.isUsable()) |
9412 | return ExprError(); |
9413 | |
9414 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or |
9415 | // 'VarRef = Start (+|-) Iter * Step'. |
9416 | if (!Start.isUsable()) |
9417 | return ExprError(); |
9418 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); |
9419 | if (!NewStart.isUsable()) |
9420 | return ExprError(); |
9421 | if (Captures && !IsNonRectangularLB) |
9422 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); |
9423 | if (NewStart.isInvalid()) |
9424 | return ExprError(); |
9425 | |
9426 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. |
9427 | ExprResult SavedUpdate = Update; |
9428 | ExprResult UpdateVal; |
9429 | if (VarRef.get()->getType()->isOverloadableType() || |
9430 | NewStart.get()->getType()->isOverloadableType() || |
9431 | Update.get()->getType()->isOverloadableType()) { |
9432 | Sema::TentativeAnalysisScope Trap(SemaRef); |
9433 | |
9434 | Update = |
9435 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); |
9436 | if (Update.isUsable()) { |
9437 | UpdateVal = |
9438 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, |
9439 | VarRef.get(), SavedUpdate.get()); |
9440 | if (UpdateVal.isUsable()) { |
9441 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), |
9442 | UpdateVal.get()); |
9443 | } |
9444 | } |
9445 | } |
9446 | |
9447 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. |
9448 | if (!Update.isUsable() || !UpdateVal.isUsable()) { |
9449 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, |
9450 | NewStart.get(), SavedUpdate.get()); |
9451 | if (!Update.isUsable()) |
9452 | return ExprError(); |
9453 | |
9454 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), |
9455 | VarRef.get()->getType())) { |
9456 | Update = SemaRef.PerformImplicitConversion( |
9457 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); |
9458 | if (!Update.isUsable()) |
9459 | return ExprError(); |
9460 | } |
9461 | |
9462 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); |
9463 | } |
9464 | return Update; |
9465 | } |
9466 | |
9467 | /// Convert integer expression \a E to make it have at least \a Bits |
9468 | /// bits. |
9469 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { |
9470 | if (E == nullptr) |
9471 | return ExprError(); |
9472 | ASTContext &C = SemaRef.Context; |
9473 | QualType OldType = E->getType(); |
9474 | unsigned HasBits = C.getTypeSize(OldType); |
9475 | if (HasBits >= Bits) |
9476 | return ExprResult(E); |
9477 | // OK to convert to signed, because new type has more bits than old. |
9478 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); |
9479 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, |
9480 | true); |
9481 | } |
9482 | |
9483 | /// Check if the given expression \a E is a constant integer that fits |
9484 | /// into \a Bits bits. |
9485 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { |
9486 | if (E == nullptr) |
9487 | return false; |
9488 | if (std::optional<llvm::APSInt> Result = |
9489 | E->getIntegerConstantExpr(SemaRef.Context)) |
9490 | return Signed ? Result->isSignedIntN(Bits) : Result->isIntN(Bits); |
9491 | return false; |
9492 | } |
9493 | |
9494 | /// Build preinits statement for the given declarations. |
9495 | static Stmt *buildPreInits(ASTContext &Context, |
9496 | MutableArrayRef<Decl *> PreInits) { |
9497 | if (!PreInits.empty()) { |
9498 | return new (Context) DeclStmt( |
9499 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), |
9500 | SourceLocation(), SourceLocation()); |
9501 | } |
9502 | return nullptr; |
9503 | } |
9504 | |
9505 | /// Build preinits statement for the given declarations. |
9506 | static Stmt * |
9507 | buildPreInits(ASTContext &Context, |
9508 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
9509 | if (!Captures.empty()) { |
9510 | SmallVector<Decl *, 16> PreInits; |
9511 | for (const auto &Pair : Captures) |
9512 | PreInits.push_back(Pair.second->getDecl()); |
9513 | return buildPreInits(Context, PreInits); |
9514 | } |
9515 | return nullptr; |
9516 | } |
9517 | |
9518 | /// Build postupdate expression for the given list of postupdates expressions. |
9519 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { |
9520 | Expr *PostUpdate = nullptr; |
9521 | if (!PostUpdates.empty()) { |
9522 | for (Expr *E : PostUpdates) { |
9523 | Expr *ConvE = S.BuildCStyleCastExpr( |
9524 | E->getExprLoc(), |
9525 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), |
9526 | E->getExprLoc(), E) |
9527 | .get(); |
9528 | PostUpdate = PostUpdate |
9529 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, |
9530 | PostUpdate, ConvE) |
9531 | .get() |
9532 | : ConvE; |
9533 | } |
9534 | } |
9535 | return PostUpdate; |
9536 | } |
9537 | |
9538 | /// Called on a for stmt to check itself and nested loops (if any). |
9539 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, |
9540 | /// number of collapsed loops otherwise. |
9541 | static unsigned |
9542 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, |
9543 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, |
9544 | DSAStackTy &DSA, |
9545 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, |
9546 | OMPLoopBasedDirective::HelperExprs &Built) { |
9547 | unsigned NestedLoopCount = 1; |
9548 | bool SupportsNonPerfectlyNested = (SemaRef.LangOpts.OpenMP >= 50) && |
9549 | !isOpenMPLoopTransformationDirective(DKind); |
9550 | |
9551 | if (CollapseLoopCountExpr) { |
9552 | // Found 'collapse' clause - calculate collapse number. |
9553 | Expr::EvalResult Result; |
9554 | if (!CollapseLoopCountExpr->isValueDependent() && |
9555 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { |
9556 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); |
9557 | } else { |
9558 | Built.clear(/*Size=*/1); |
9559 | return 1; |
9560 | } |
9561 | } |
9562 | unsigned OrderedLoopCount = 1; |
9563 | if (OrderedLoopCountExpr) { |
9564 | // Found 'ordered' clause - calculate collapse number. |
9565 | Expr::EvalResult EVResult; |
9566 | if (!OrderedLoopCountExpr->isValueDependent() && |
9567 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, |
9568 | SemaRef.getASTContext())) { |
9569 | llvm::APSInt Result = EVResult.Val.getInt(); |
9570 | if (Result.getLimitedValue() < NestedLoopCount) { |
9571 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), |
9572 | diag::err_omp_wrong_ordered_loop_count) |
9573 | << OrderedLoopCountExpr->getSourceRange(); |
9574 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), |
9575 | diag::note_collapse_loop_count) |
9576 | << CollapseLoopCountExpr->getSourceRange(); |
9577 | } |
9578 | OrderedLoopCount = Result.getLimitedValue(); |
9579 | } else { |
9580 | Built.clear(/*Size=*/1); |
9581 | return 1; |
9582 | } |
9583 | } |
9584 | // This is helper routine for loop directives (e.g., 'for', 'simd', |
9585 | // 'for simd', etc.). |
9586 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
9587 | unsigned NumLoops = std::max(OrderedLoopCount, NestedLoopCount); |
9588 | SmallVector<LoopIterationSpace, 4> IterSpaces(NumLoops); |
9589 | if (!OMPLoopBasedDirective::doForAllLoops( |
9590 | AStmt->IgnoreContainers(!isOpenMPLoopTransformationDirective(DKind)), |
9591 | SupportsNonPerfectlyNested, NumLoops, |
9592 | [DKind, &SemaRef, &DSA, NumLoops, NestedLoopCount, |
9593 | CollapseLoopCountExpr, OrderedLoopCountExpr, &VarsWithImplicitDSA, |
9594 | &IterSpaces, &Captures](unsigned Cnt, Stmt *CurStmt) { |
9595 | if (checkOpenMPIterationSpace( |
9596 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, |
9597 | NumLoops, CollapseLoopCountExpr, OrderedLoopCountExpr, |
9598 | VarsWithImplicitDSA, IterSpaces, Captures)) |
9599 | return true; |
9600 | if (Cnt > 0 && Cnt >= NestedLoopCount && |
9601 | IterSpaces[Cnt].CounterVar) { |
9602 | // Handle initialization of captured loop iterator variables. |
9603 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); |
9604 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { |
9605 | Captures[DRE] = DRE; |
9606 | } |
9607 | } |
9608 | return false; |
9609 | }, |
9610 | [&SemaRef, &Captures](OMPLoopTransformationDirective *Transform) { |
9611 | Stmt *DependentPreInits = Transform->getPreInits(); |
9612 | if (!DependentPreInits) |
9613 | return; |
9614 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) { |
9615 | auto *D = cast<VarDecl>(C); |
9616 | DeclRefExpr *Ref = buildDeclRefExpr(SemaRef, D, D->getType(), |
9617 | Transform->getBeginLoc()); |
9618 | Captures[Ref] = Ref; |
9619 | } |
9620 | })) |
9621 | return 0; |
9622 | |
9623 | Built.clear(/* size */ NestedLoopCount); |
9624 | |
9625 | if (SemaRef.CurContext->isDependentContext()) |
9626 | return NestedLoopCount; |
9627 | |
9628 | // An example of what is generated for the following code: |
9629 | // |
9630 | // #pragma omp simd collapse(2) ordered(2) |
9631 | // for (i = 0; i < NI; ++i) |
9632 | // for (k = 0; k < NK; ++k) |
9633 | // for (j = J0; j < NJ; j+=2) { |
9634 | // <loop body> |
9635 | // } |
9636 | // |
9637 | // We generate the code below. |
9638 | // Note: the loop body may be outlined in CodeGen. |
9639 | // Note: some counters may be C++ classes, operator- is used to find number of |
9640 | // iterations and operator+= to calculate counter value. |
9641 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 |
9642 | // or i64 is currently supported). |
9643 | // |
9644 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) |
9645 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { |
9646 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); |
9647 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; |
9648 | // // similar updates for vars in clauses (e.g. 'linear') |
9649 | // <loop body (using local i and j)> |
9650 | // } |
9651 | // i = NI; // assign final values of counters |
9652 | // j = NJ; |
9653 | // |
9654 | |
9655 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are |
9656 | // the iteration counts of the collapsed for loops. |
9657 | // Precondition tests if there is at least one iteration (all conditions are |
9658 | // true). |
9659 | auto PreCond = ExprResult(IterSpaces[0].PreCond); |
9660 | Expr *N0 = IterSpaces[0].NumIterations; |
9661 | ExprResult LastIteration32 = |
9662 | widenIterationCount(/*Bits=*/32, |
9663 | SemaRef |
9664 | .PerformImplicitConversion( |
9665 | N0->IgnoreImpCasts(), N0->getType(), |
9666 | Sema::AA_Converting, /*AllowExplicit=*/true) |
9667 | .get(), |
9668 | SemaRef); |
9669 | ExprResult LastIteration64 = widenIterationCount( |
9670 | /*Bits=*/64, |
9671 | SemaRef |
9672 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), |
9673 | Sema::AA_Converting, |
9674 | /*AllowExplicit=*/true) |
9675 | .get(), |
9676 | SemaRef); |
9677 | |
9678 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) |
9679 | return NestedLoopCount; |
9680 | |
9681 | ASTContext &C = SemaRef.Context; |
9682 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; |
9683 | |
9684 | Scope *CurScope = DSA.getCurScope(); |
9685 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { |
9686 | if (PreCond.isUsable()) { |
9687 | PreCond = |
9688 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, |
9689 | PreCond.get(), IterSpaces[Cnt].PreCond); |
9690 | } |
9691 | Expr *N = IterSpaces[Cnt].NumIterations; |
9692 | SourceLocation Loc = N->getExprLoc(); |
9693 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; |
9694 | if (LastIteration32.isUsable()) |
9695 | LastIteration32 = SemaRef.BuildBinOp( |
9696 | CurScope, Loc, BO_Mul, LastIteration32.get(), |
9697 | SemaRef |
9698 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), |
9699 | Sema::AA_Converting, |
9700 | /*AllowExplicit=*/true) |
9701 | .get()); |
9702 | if (LastIteration64.isUsable()) |
9703 | LastIteration64 = SemaRef.BuildBinOp( |
9704 | CurScope, Loc, BO_Mul, LastIteration64.get(), |
9705 | SemaRef |
9706 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), |
9707 | Sema::AA_Converting, |
9708 | /*AllowExplicit=*/true) |
9709 | .get()); |
9710 | } |
9711 | |
9712 | // Choose either the 32-bit or 64-bit version. |
9713 | ExprResult LastIteration = LastIteration64; |
9714 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || |
9715 | (LastIteration32.isUsable() && |
9716 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && |
9717 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || |
9718 | fitsInto( |
9719 | /*Bits=*/32, |
9720 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), |
9721 | LastIteration64.get(), SemaRef)))) |
9722 | LastIteration = LastIteration32; |
9723 | QualType VType = LastIteration.get()->getType(); |
9724 | QualType RealVType = VType; |
9725 | QualType StrideVType = VType; |
9726 | if (isOpenMPTaskLoopDirective(DKind)) { |
9727 | VType = |
9728 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); |
9729 | StrideVType = |
9730 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); |
9731 | } |
9732 | |
9733 | if (!LastIteration.isUsable()) |
9734 | return 0; |
9735 | |
9736 | // Save the number of iterations. |
9737 | ExprResult NumIterations = LastIteration; |
9738 | { |
9739 | LastIteration = SemaRef.BuildBinOp( |
9740 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, |
9741 | LastIteration.get(), |
9742 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
9743 | if (!LastIteration.isUsable()) |
9744 | return 0; |
9745 | } |
9746 | |
9747 | // Calculate the last iteration number beforehand instead of doing this on |
9748 | // each iteration. Do not do this if the number of iterations may be kfold-ed. |
9749 | bool IsConstant = LastIteration.get()->isIntegerConstantExpr(SemaRef.Context); |
9750 | ExprResult CalcLastIteration; |
9751 | if (!IsConstant) { |
9752 | ExprResult SaveRef = |
9753 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); |
9754 | LastIteration = SaveRef; |
9755 | |
9756 | // Prepare SaveRef + 1. |
9757 | NumIterations = SemaRef.BuildBinOp( |
9758 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), |
9759 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
9760 | if (!NumIterations.isUsable()) |
9761 | return 0; |
9762 | } |
9763 | |
9764 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); |
9765 | |
9766 | // Build variables passed into runtime, necessary for worksharing directives. |
9767 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; |
9768 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || |
9769 | isOpenMPDistributeDirective(DKind) || |
9770 | isOpenMPGenericLoopDirective(DKind) || |
9771 | isOpenMPLoopTransformationDirective(DKind)) { |
9772 | // Lower bound variable, initialized with zero. |
9773 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); |
9774 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); |
9775 | SemaRef.AddInitializerToDecl(LBDecl, |
9776 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9777 | /*DirectInit*/ false); |
9778 | |
9779 | // Upper bound variable, initialized with last iteration number. |
9780 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); |
9781 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); |
9782 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), |
9783 | /*DirectInit*/ false); |
9784 | |
9785 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. |
9786 | // This will be used to implement clause 'lastprivate'. |
9787 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); |
9788 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); |
9789 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); |
9790 | SemaRef.AddInitializerToDecl(ILDecl, |
9791 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9792 | /*DirectInit*/ false); |
9793 | |
9794 | // Stride variable returned by runtime (we initialize it to 1 by default). |
9795 | VarDecl *STDecl = |
9796 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); |
9797 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); |
9798 | SemaRef.AddInitializerToDecl(STDecl, |
9799 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), |
9800 | /*DirectInit*/ false); |
9801 | |
9802 | // Build expression: UB = min(UB, LastIteration) |
9803 | // It is necessary for CodeGen of directives with static scheduling. |
9804 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, |
9805 | UB.get(), LastIteration.get()); |
9806 | ExprResult CondOp = SemaRef.ActOnConditionalOp( |
9807 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), |
9808 | LastIteration.get(), UB.get()); |
9809 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), |
9810 | CondOp.get()); |
9811 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); |
9812 | |
9813 | // If we have a combined directive that combines 'distribute', 'for' or |
9814 | // 'simd' we need to be able to access the bounds of the schedule of the |
9815 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained |
9816 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. |
9817 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9818 | // Lower bound variable, initialized with zero. |
9819 | VarDecl *CombLBDecl = |
9820 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); |
9821 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); |
9822 | SemaRef.AddInitializerToDecl( |
9823 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9824 | /*DirectInit*/ false); |
9825 | |
9826 | // Upper bound variable, initialized with last iteration number. |
9827 | VarDecl *CombUBDecl = |
9828 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); |
9829 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); |
9830 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), |
9831 | /*DirectInit*/ false); |
9832 | |
9833 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( |
9834 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); |
9835 | ExprResult CombCondOp = |
9836 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), |
9837 | LastIteration.get(), CombUB.get()); |
9838 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), |
9839 | CombCondOp.get()); |
9840 | CombEUB = |
9841 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); |
9842 | |
9843 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); |
9844 | // We expect to have at least 2 more parameters than the 'parallel' |
9845 | // directive does - the lower and upper bounds of the previous schedule. |
9846 | 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", 9847, __extension__ __PRETTY_FUNCTION__ )) |
9847 | "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", 9847, __extension__ __PRETTY_FUNCTION__ )); |
9848 | |
9849 | // Set the proper type for the bounds given what we learned from the |
9850 | // enclosed loops. |
9851 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); |
9852 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); |
9853 | |
9854 | // Previous lower and upper bounds are obtained from the region |
9855 | // parameters. |
9856 | PrevLB = |
9857 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); |
9858 | PrevUB = |
9859 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); |
9860 | } |
9861 | } |
9862 | |
9863 | // Build the iteration variable and its initialization before loop. |
9864 | ExprResult IV; |
9865 | ExprResult Init, CombInit; |
9866 | { |
9867 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); |
9868 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); |
9869 | Expr *RHS = (isOpenMPWorksharingDirective(DKind) || |
9870 | isOpenMPGenericLoopDirective(DKind) || |
9871 | isOpenMPTaskLoopDirective(DKind) || |
9872 | isOpenMPDistributeDirective(DKind) || |
9873 | isOpenMPLoopTransformationDirective(DKind)) |
9874 | ? LB.get() |
9875 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); |
9876 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); |
9877 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); |
9878 | |
9879 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9880 | Expr *CombRHS = |
9881 | (isOpenMPWorksharingDirective(DKind) || |
9882 | isOpenMPGenericLoopDirective(DKind) || |
9883 | isOpenMPTaskLoopDirective(DKind) || |
9884 | isOpenMPDistributeDirective(DKind)) |
9885 | ? CombLB.get() |
9886 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); |
9887 | CombInit = |
9888 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); |
9889 | CombInit = |
9890 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); |
9891 | } |
9892 | } |
9893 | |
9894 | bool UseStrictCompare = |
9895 | RealVType->hasUnsignedIntegerRepresentation() && |
9896 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { |
9897 | return LIS.IsStrictCompare; |
9898 | }); |
9899 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for |
9900 | // unsigned IV)) for worksharing loops. |
9901 | SourceLocation CondLoc = AStmt->getBeginLoc(); |
9902 | Expr *BoundUB = UB.get(); |
9903 | if (UseStrictCompare) { |
9904 | BoundUB = |
9905 | SemaRef |
9906 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, |
9907 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9908 | .get(); |
9909 | BoundUB = |
9910 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); |
9911 | } |
9912 | ExprResult Cond = |
9913 | (isOpenMPWorksharingDirective(DKind) || |
9914 | isOpenMPGenericLoopDirective(DKind) || |
9915 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind) || |
9916 | isOpenMPLoopTransformationDirective(DKind)) |
9917 | ? SemaRef.BuildBinOp(CurScope, CondLoc, |
9918 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), |
9919 | BoundUB) |
9920 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), |
9921 | NumIterations.get()); |
9922 | ExprResult CombDistCond; |
9923 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9924 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), |
9925 | NumIterations.get()); |
9926 | } |
9927 | |
9928 | ExprResult CombCond; |
9929 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9930 | Expr *BoundCombUB = CombUB.get(); |
9931 | if (UseStrictCompare) { |
9932 | BoundCombUB = |
9933 | SemaRef |
9934 | .BuildBinOp( |
9935 | CurScope, CondLoc, BO_Add, BoundCombUB, |
9936 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9937 | .get(); |
9938 | BoundCombUB = |
9939 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) |
9940 | .get(); |
9941 | } |
9942 | CombCond = |
9943 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, |
9944 | IV.get(), BoundCombUB); |
9945 | } |
9946 | // Loop increment (IV = IV + 1) |
9947 | SourceLocation IncLoc = AStmt->getBeginLoc(); |
9948 | ExprResult Inc = |
9949 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), |
9950 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); |
9951 | if (!Inc.isUsable()) |
9952 | return 0; |
9953 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); |
9954 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); |
9955 | if (!Inc.isUsable()) |
9956 | return 0; |
9957 | |
9958 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). |
9959 | // Used for directives with static scheduling. |
9960 | // In combined construct, add combined version that use CombLB and CombUB |
9961 | // base variables for the update |
9962 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; |
9963 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || |
9964 | isOpenMPGenericLoopDirective(DKind) || |
9965 | isOpenMPDistributeDirective(DKind) || |
9966 | isOpenMPLoopTransformationDirective(DKind)) { |
9967 | // LB + ST |
9968 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); |
9969 | if (!NextLB.isUsable()) |
9970 | return 0; |
9971 | // LB = LB + ST |
9972 | NextLB = |
9973 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); |
9974 | NextLB = |
9975 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); |
9976 | if (!NextLB.isUsable()) |
9977 | return 0; |
9978 | // UB + ST |
9979 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); |
9980 | if (!NextUB.isUsable()) |
9981 | return 0; |
9982 | // UB = UB + ST |
9983 | NextUB = |
9984 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); |
9985 | NextUB = |
9986 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); |
9987 | if (!NextUB.isUsable()) |
9988 | return 0; |
9989 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9990 | CombNextLB = |
9991 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); |
9992 | if (!NextLB.isUsable()) |
9993 | return 0; |
9994 | // LB = LB + ST |
9995 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), |
9996 | CombNextLB.get()); |
9997 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), |
9998 | /*DiscardedValue*/ false); |
9999 | if (!CombNextLB.isUsable()) |
10000 | return 0; |
10001 | // UB + ST |
10002 | CombNextUB = |
10003 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); |
10004 | if (!CombNextUB.isUsable()) |
10005 | return 0; |
10006 | // UB = UB + ST |
10007 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), |
10008 | CombNextUB.get()); |
10009 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), |
10010 | /*DiscardedValue*/ false); |
10011 | if (!CombNextUB.isUsable()) |
10012 | return 0; |
10013 | } |
10014 | } |
10015 | |
10016 | // Create increment expression for distribute loop when combined in a same |
10017 | // directive with for as IV = IV + ST; ensure upper bound expression based |
10018 | // on PrevUB instead of NumIterations - used to implement 'for' when found |
10019 | // in combination with 'distribute', like in 'distribute parallel for' |
10020 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); |
10021 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; |
10022 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
10023 | DistCond = SemaRef.BuildBinOp( |
10024 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); |
10025 | 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", 10025, __extension__ __PRETTY_FUNCTION__ )); |
10026 | |
10027 | DistInc = |
10028 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); |
10029 | 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", 10029, __extension__ __PRETTY_FUNCTION__ )); |
10030 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), |
10031 | DistInc.get()); |
10032 | DistInc = |
10033 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); |
10034 | 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", 10034, __extension__ __PRETTY_FUNCTION__ )); |
10035 | |
10036 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined |
10037 | // construct |
10038 | ExprResult NewPrevUB = PrevUB; |
10039 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); |
10040 | if (!SemaRef.Context.hasSameType(UB.get()->getType(), |
10041 | PrevUB.get()->getType())) { |
10042 | NewPrevUB = SemaRef.BuildCStyleCastExpr( |
10043 | DistEUBLoc, |
10044 | SemaRef.Context.getTrivialTypeSourceInfo(UB.get()->getType()), |
10045 | DistEUBLoc, NewPrevUB.get()); |
10046 | if (!NewPrevUB.isUsable()) |
10047 | return 0; |
10048 | } |
10049 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, |
10050 | UB.get(), NewPrevUB.get()); |
10051 | ExprResult CondOp = SemaRef.ActOnConditionalOp( |
10052 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), NewPrevUB.get(), UB.get()); |
10053 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), |
10054 | CondOp.get()); |
10055 | PrevEUB = |
10056 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); |
10057 | |
10058 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in |
10059 | // parallel for is in combination with a distribute directive with |
10060 | // schedule(static, 1) |
10061 | Expr *BoundPrevUB = PrevUB.get(); |
10062 | if (UseStrictCompare) { |
10063 | BoundPrevUB = |
10064 | SemaRef |
10065 | .BuildBinOp( |
10066 | CurScope, CondLoc, BO_Add, BoundPrevUB, |
10067 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
10068 | .get(); |
10069 | BoundPrevUB = |
10070 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) |
10071 | .get(); |
10072 | } |
10073 | ParForInDistCond = |
10074 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, |
10075 | IV.get(), BoundPrevUB); |
10076 | } |
10077 | |
10078 | // Build updates and final values of the loop counters. |
10079 | bool HasErrors = false; |
10080 | Built.Counters.resize(NestedLoopCount); |
10081 | Built.Inits.resize(NestedLoopCount); |
10082 | Built.Updates.resize(NestedLoopCount); |
10083 | Built.Finals.resize(NestedLoopCount); |
10084 | Built.DependentCounters.resize(NestedLoopCount); |
10085 | Built.DependentInits.resize(NestedLoopCount); |
10086 | Built.FinalsConditions.resize(NestedLoopCount); |
10087 | { |
10088 | // We implement the following algorithm for obtaining the |
10089 | // original loop iteration variable values based on the |
10090 | // value of the collapsed loop iteration variable IV. |
10091 | // |
10092 | // Let n+1 be the number of collapsed loops in the nest. |
10093 | // Iteration variables (I0, I1, .... In) |
10094 | // Iteration counts (N0, N1, ... Nn) |
10095 | // |
10096 | // Acc = IV; |
10097 | // |
10098 | // To compute Ik for loop k, 0 <= k <= n, generate: |
10099 | // Prod = N(k+1) * N(k+2) * ... * Nn; |
10100 | // Ik = Acc / Prod; |
10101 | // Acc -= Ik * Prod; |
10102 | // |
10103 | ExprResult Acc = IV; |
10104 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { |
10105 | LoopIterationSpace &IS = IterSpaces[Cnt]; |
10106 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); |
10107 | ExprResult Iter; |
10108 | |
10109 | // Compute prod |
10110 | ExprResult Prod = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); |
10111 | for (unsigned int K = Cnt + 1; K < NestedLoopCount; ++K) |
10112 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), |
10113 | IterSpaces[K].NumIterations); |
10114 | |
10115 | // Iter = Acc / Prod |
10116 | // If there is at least one more inner loop to avoid |
10117 | // multiplication by 1. |
10118 | if (Cnt + 1 < NestedLoopCount) |
10119 | Iter = |
10120 | SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, Acc.get(), Prod.get()); |
10121 | else |
10122 | Iter = Acc; |
10123 | if (!Iter.isUsable()) { |
10124 | HasErrors = true; |
10125 | break; |
10126 | } |
10127 | |
10128 | // Update Acc: |
10129 | // Acc -= Iter * Prod |
10130 | // Check if there is at least one more inner loop to avoid |
10131 | // multiplication by 1. |
10132 | if (Cnt + 1 < NestedLoopCount) |
10133 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Iter.get(), |
10134 | Prod.get()); |
10135 | else |
10136 | Prod = Iter; |
10137 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, Acc.get(), Prod.get()); |
10138 | |
10139 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step |
10140 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); |
10141 | DeclRefExpr *CounterVar = buildDeclRefExpr( |
10142 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), |
10143 | /*RefersToCapture=*/true); |
10144 | ExprResult Init = |
10145 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, |
10146 | IS.CounterInit, IS.IsNonRectangularLB, Captures); |
10147 | if (!Init.isUsable()) { |
10148 | HasErrors = true; |
10149 | break; |
10150 | } |
10151 | ExprResult Update = buildCounterUpdate( |
10152 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, |
10153 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); |
10154 | if (!Update.isUsable()) { |
10155 | HasErrors = true; |
10156 | break; |
10157 | } |
10158 | |
10159 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step |
10160 | ExprResult Final = |
10161 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, |
10162 | IS.CounterInit, IS.NumIterations, IS.CounterStep, |
10163 | IS.Subtract, IS.IsNonRectangularLB, &Captures); |
10164 | if (!Final.isUsable()) { |
10165 | HasErrors = true; |
10166 | break; |
10167 | } |
10168 | |
10169 | if (!Update.isUsable() || !Final.isUsable()) { |
10170 | HasErrors = true; |
10171 | break; |
10172 | } |
10173 | // Save results |
10174 | Built.Counters[Cnt] = IS.CounterVar; |
10175 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; |
10176 | Built.Inits[Cnt] = Init.get(); |
10177 | Built.Updates[Cnt] = Update.get(); |
10178 | Built.Finals[Cnt] = Final.get(); |
10179 | Built.DependentCounters[Cnt] = nullptr; |
10180 | Built.DependentInits[Cnt] = nullptr; |
10181 | Built.FinalsConditions[Cnt] = nullptr; |
10182 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { |
10183 | Built.DependentCounters[Cnt] = Built.Counters[IS.LoopDependentIdx - 1]; |
10184 | Built.DependentInits[Cnt] = Built.Inits[IS.LoopDependentIdx - 1]; |
10185 | Built.FinalsConditions[Cnt] = IS.FinalCondition; |
10186 | } |
10187 | } |
10188 | } |
10189 | |
10190 | if (HasErrors) |
10191 | return 0; |
10192 | |
10193 | // Save results |
10194 | Built.IterationVarRef = IV.get(); |
10195 | Built.LastIteration = LastIteration.get(); |
10196 | Built.NumIterations = NumIterations.get(); |
10197 | Built.CalcLastIteration = SemaRef |
10198 | .ActOnFinishFullExpr(CalcLastIteration.get(), |
10199 | /*DiscardedValue=*/false) |
10200 | .get(); |
10201 | Built.PreCond = PreCond.get(); |
10202 | Built.PreInits = buildPreInits(C, Captures); |
10203 | Built.Cond = Cond.get(); |
10204 | Built.Init = Init.get(); |
10205 | Built.Inc = Inc.get(); |
10206 | Built.LB = LB.get(); |
10207 | Built.UB = UB.get(); |
10208 | Built.IL = IL.get(); |
10209 | Built.ST = ST.get(); |
10210 | Built.EUB = EUB.get(); |
10211 | Built.NLB = NextLB.get(); |
10212 | Built.NUB = NextUB.get(); |
10213 | Built.PrevLB = PrevLB.get(); |
10214 | Built.PrevUB = PrevUB.get(); |
10215 | Built.DistInc = DistInc.get(); |
10216 | Built.PrevEUB = PrevEUB.get(); |
10217 | Built.DistCombinedFields.LB = CombLB.get(); |
10218 | Built.DistCombinedFields.UB = CombUB.get(); |
10219 | Built.DistCombinedFields.EUB = CombEUB.get(); |
10220 | Built.DistCombinedFields.Init = CombInit.get(); |
10221 | Built.DistCombinedFields.Cond = CombCond.get(); |
10222 | Built.DistCombinedFields.NLB = CombNextLB.get(); |
10223 | Built.DistCombinedFields.NUB = CombNextUB.get(); |
10224 | Built.DistCombinedFields.DistCond = CombDistCond.get(); |
10225 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); |
10226 | |
10227 | return NestedLoopCount; |
10228 | } |
10229 | |
10230 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { |
10231 | auto CollapseClauses = |
10232 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); |
10233 | if (CollapseClauses.begin() != CollapseClauses.end()) |
10234 | return (*CollapseClauses.begin())->getNumForLoops(); |
10235 | return nullptr; |
10236 | } |
10237 | |
10238 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { |
10239 | auto OrderedClauses = |
10240 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); |
10241 | if (OrderedClauses.begin() != OrderedClauses.end()) |
10242 | return (*OrderedClauses.begin())->getNumForLoops(); |
10243 | return nullptr; |
10244 | } |
10245 | |
10246 | static bool checkSimdlenSafelenSpecified(Sema &S, |
10247 | const ArrayRef<OMPClause *> Clauses) { |
10248 | const OMPSafelenClause *Safelen = nullptr; |
10249 | const OMPSimdlenClause *Simdlen = nullptr; |
10250 | |
10251 | for (const OMPClause *Clause : Clauses) { |
10252 | if (Clause->getClauseKind() == OMPC_safelen) |
10253 | Safelen = cast<OMPSafelenClause>(Clause); |
10254 | else if (Clause->getClauseKind() == OMPC_simdlen) |
10255 | Simdlen = cast<OMPSimdlenClause>(Clause); |
10256 | if (Safelen && Simdlen) |
10257 | break; |
10258 | } |
10259 | |
10260 | if (Simdlen && Safelen) { |
10261 | const Expr *SimdlenLength = Simdlen->getSimdlen(); |
10262 | const Expr *SafelenLength = Safelen->getSafelen(); |
10263 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || |
10264 | SimdlenLength->isInstantiationDependent() || |
10265 | SimdlenLength->containsUnexpandedParameterPack()) |
10266 | return false; |
10267 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || |
10268 | SafelenLength->isInstantiationDependent() || |
10269 | SafelenLength->containsUnexpandedParameterPack()) |
10270 | return false; |
10271 | Expr::EvalResult SimdlenResult, SafelenResult; |
10272 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); |
10273 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); |
10274 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); |
10275 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); |
10276 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] |
10277 | // If both simdlen and safelen clauses are specified, the value of the |
10278 | // simdlen parameter must be less than or equal to the value of the safelen |
10279 | // parameter. |
10280 | if (SimdlenRes > SafelenRes) { |
10281 | S.Diag(SimdlenLength->getExprLoc(), |
10282 | diag::err_omp_wrong_simdlen_safelen_values) |
10283 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); |
10284 | return true; |
10285 | } |
10286 | } |
10287 | return false; |
10288 | } |
10289 | |
10290 | StmtResult |
10291 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10292 | SourceLocation StartLoc, SourceLocation EndLoc, |
10293 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10294 | if (!AStmt) |
10295 | return StmtError(); |
10296 | |
10297 | 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", 10297, __extension__ __PRETTY_FUNCTION__ )); |
10298 | OMPLoopBasedDirective::HelperExprs B; |
10299 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10300 | // define the nested loops number. |
10301 | unsigned NestedLoopCount = checkOpenMPLoop( |
10302 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
10303 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
10304 | if (NestedLoopCount == 0) |
10305 | return StmtError(); |
10306 | |
10307 | 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", 10308, __extension__ __PRETTY_FUNCTION__ )) |
10308 | "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", 10308, __extension__ __PRETTY_FUNCTION__ )); |
10309 | |
10310 | if (!CurContext->isDependentContext()) { |
10311 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10312 | for (OMPClause *C : Clauses) { |
10313 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10314 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10315 | B.NumIterations, *this, CurScope, |
10316 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10317 | return StmtError(); |
10318 | } |
10319 | } |
10320 | |
10321 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
10322 | return StmtError(); |
10323 | |
10324 | setFunctionHasBranchProtectedScope(); |
10325 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, |
10326 | Clauses, AStmt, B); |
10327 | } |
10328 | |
10329 | StmtResult |
10330 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10331 | SourceLocation StartLoc, SourceLocation EndLoc, |
10332 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10333 | if (!AStmt) |
10334 | return StmtError(); |
10335 | |
10336 | 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", 10336, __extension__ __PRETTY_FUNCTION__ )); |
10337 | OMPLoopBasedDirective::HelperExprs B; |
10338 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10339 | // define the nested loops number. |
10340 | unsigned NestedLoopCount = checkOpenMPLoop( |
10341 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
10342 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
10343 | if (NestedLoopCount == 0) |
10344 | return StmtError(); |
10345 | |
10346 | 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", 10347, __extension__ __PRETTY_FUNCTION__ )) |
10347 | "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", 10347, __extension__ __PRETTY_FUNCTION__ )); |
10348 | |
10349 | if (!CurContext->isDependentContext()) { |
10350 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10351 | for (OMPClause *C : Clauses) { |
10352 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10353 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10354 | B.NumIterations, *this, CurScope, |
10355 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10356 | return StmtError(); |
10357 | } |
10358 | } |
10359 | |
10360 | setFunctionHasBranchProtectedScope(); |
10361 | return OMPForDirective::Create( |
10362 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
10363 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10364 | } |
10365 | |
10366 | StmtResult Sema::ActOnOpenMPForSimdDirective( |
10367 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10368 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10369 | if (!AStmt) |
10370 | return StmtError(); |
10371 | |
10372 | 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", 10372, __extension__ __PRETTY_FUNCTION__ )); |
10373 | OMPLoopBasedDirective::HelperExprs B; |
10374 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10375 | // define the nested loops number. |
10376 | unsigned NestedLoopCount = |
10377 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), |
10378 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10379 | VarsWithImplicitDSA, B); |
10380 | if (NestedLoopCount == 0) |
10381 | return StmtError(); |
10382 | |
10383 | 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", 10384, __extension__ __PRETTY_FUNCTION__ )) |
10384 | "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", 10384, __extension__ __PRETTY_FUNCTION__ )); |
10385 | |
10386 | if (!CurContext->isDependentContext()) { |
10387 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10388 | for (OMPClause *C : Clauses) { |
10389 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10390 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10391 | B.NumIterations, *this, CurScope, |
10392 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10393 | return StmtError(); |
10394 | } |
10395 | } |
10396 | |
10397 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
10398 | return StmtError(); |
10399 | |
10400 | setFunctionHasBranchProtectedScope(); |
10401 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, |
10402 | Clauses, AStmt, B); |
10403 | } |
10404 | |
10405 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, |
10406 | Stmt *AStmt, |
10407 | SourceLocation StartLoc, |
10408 | SourceLocation EndLoc) { |
10409 | if (!AStmt) |
10410 | return StmtError(); |
10411 | |
10412 | 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", 10412, __extension__ __PRETTY_FUNCTION__ )); |
10413 | auto BaseStmt = AStmt; |
10414 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) |
10415 | BaseStmt = CS->getCapturedStmt(); |
10416 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { |
10417 | auto S = C->children(); |
10418 | if (S.begin() == S.end()) |
10419 | return StmtError(); |
10420 | // All associated statements must be '#pragma omp section' except for |
10421 | // the first one. |
10422 | for (Stmt *SectionStmt : llvm::drop_begin(S)) { |
10423 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { |
10424 | if (SectionStmt) |
10425 | Diag(SectionStmt->getBeginLoc(), |
10426 | diag::err_omp_sections_substmt_not_section); |
10427 | return StmtError(); |
10428 | } |
10429 | cast<OMPSectionDirective>(SectionStmt) |
10430 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10431 | } |
10432 | } else { |
10433 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); |
10434 | return StmtError(); |
10435 | } |
10436 | |
10437 | setFunctionHasBranchProtectedScope(); |
10438 | |
10439 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
10440 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), |
10441 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10442 | } |
10443 | |
10444 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, |
10445 | SourceLocation StartLoc, |
10446 | SourceLocation EndLoc) { |
10447 | if (!AStmt) |
10448 | return StmtError(); |
10449 | |
10450 | setFunctionHasBranchProtectedScope(); |
10451 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10452 | |
10453 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, |
10454 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10455 | } |
10456 | |
10457 | static Expr *getDirectCallExpr(Expr *E) { |
10458 | E = E->IgnoreParenCasts()->IgnoreImplicit(); |
10459 | if (auto *CE = dyn_cast<CallExpr>(E)) |
10460 | if (CE->getDirectCallee()) |
10461 | return E; |
10462 | return nullptr; |
10463 | } |
10464 | |
10465 | StmtResult Sema::ActOnOpenMPDispatchDirective(ArrayRef<OMPClause *> Clauses, |
10466 | Stmt *AStmt, |
10467 | SourceLocation StartLoc, |
10468 | SourceLocation EndLoc) { |
10469 | if (!AStmt) |
10470 | return StmtError(); |
10471 | |
10472 | Stmt *S = cast<CapturedStmt>(AStmt)->getCapturedStmt(); |
10473 | |
10474 | // 5.1 OpenMP |
10475 | // expression-stmt : an expression statement with one of the following forms: |
10476 | // expression = target-call ( [expression-list] ); |
10477 | // target-call ( [expression-list] ); |
10478 | |
10479 | SourceLocation TargetCallLoc; |
10480 | |
10481 | if (!CurContext->isDependentContext()) { |
10482 | Expr *TargetCall = nullptr; |
10483 | |
10484 | auto *E = dyn_cast<Expr>(S); |
10485 | if (!E) { |
10486 | Diag(S->getBeginLoc(), diag::err_omp_dispatch_statement_call); |
10487 | return StmtError(); |
10488 | } |
10489 | |
10490 | E = E->IgnoreParenCasts()->IgnoreImplicit(); |
10491 | |
10492 | if (auto *BO = dyn_cast<BinaryOperator>(E)) { |
10493 | if (BO->getOpcode() == BO_Assign) |
10494 | TargetCall = getDirectCallExpr(BO->getRHS()); |
10495 | } else { |
10496 | if (auto *COCE = dyn_cast<CXXOperatorCallExpr>(E)) |
10497 | if (COCE->getOperator() == OO_Equal) |
10498 | TargetCall = getDirectCallExpr(COCE->getArg(1)); |
10499 | if (!TargetCall) |
10500 | TargetCall = getDirectCallExpr(E); |
10501 | } |
10502 | if (!TargetCall) { |
10503 | Diag(E->getBeginLoc(), diag::err_omp_dispatch_statement_call); |
10504 | return StmtError(); |
10505 | } |
10506 | TargetCallLoc = TargetCall->getExprLoc(); |
10507 | } |
10508 | |
10509 | setFunctionHasBranchProtectedScope(); |
10510 | |
10511 | return OMPDispatchDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
10512 | TargetCallLoc); |
10513 | } |
10514 | |
10515 | static bool checkGenericLoopLastprivate(Sema &S, ArrayRef<OMPClause *> Clauses, |
10516 | OpenMPDirectiveKind K, |
10517 | DSAStackTy *Stack) { |
10518 | bool ErrorFound = false; |
10519 | for (OMPClause *C : Clauses) { |
10520 | if (auto *LPC = dyn_cast<OMPLastprivateClause>(C)) { |
10521 | for (Expr *RefExpr : LPC->varlists()) { |
10522 | SourceLocation ELoc; |
10523 | SourceRange ERange; |
10524 | Expr *SimpleRefExpr = RefExpr; |
10525 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); |
10526 | if (ValueDecl *D = Res.first) { |
10527 | auto &&Info = Stack->isLoopControlVariable(D); |
10528 | if (!Info.first) { |
10529 | S.Diag(ELoc, diag::err_omp_lastprivate_loop_var_non_loop_iteration) |
10530 | << getOpenMPDirectiveName(K); |
10531 | ErrorFound = true; |
10532 | } |
10533 | } |
10534 | } |
10535 | } |
10536 | } |
10537 | return ErrorFound; |
10538 | } |
10539 | |
10540 | StmtResult Sema::ActOnOpenMPGenericLoopDirective( |
10541 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10542 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10543 | if (!AStmt) |
10544 | return StmtError(); |
10545 | |
10546 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10547 | // A list item may not appear in a lastprivate clause unless it is the |
10548 | // loop iteration variable of a loop that is associated with the construct. |
10549 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_loop, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10550 | return StmtError(); |
10551 | |
10552 | auto *CS = cast<CapturedStmt>(AStmt); |
10553 | // 1.2.2 OpenMP Language Terminology |
10554 | // Structured block - An executable statement with a single entry at the |
10555 | // top and a single exit at the bottom. |
10556 | // The point of exit cannot be a branch out of the structured block. |
10557 | // longjmp() and throw() must not violate the entry/exit criteria. |
10558 | CS->getCapturedDecl()->setNothrow(); |
10559 | |
10560 | OMPLoopDirective::HelperExprs B; |
10561 | // In presence of clause 'collapse', it will define the nested loops number. |
10562 | unsigned NestedLoopCount = checkOpenMPLoop( |
10563 | OMPD_loop, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
10564 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
10565 | if (NestedLoopCount == 0) |
10566 | return StmtError(); |
10567 | |
10568 | 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", 10569, __extension__ __PRETTY_FUNCTION__ )) |
10569 | "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", 10569, __extension__ __PRETTY_FUNCTION__ )); |
10570 | |
10571 | setFunctionHasBranchProtectedScope(); |
10572 | return OMPGenericLoopDirective::Create(Context, StartLoc, EndLoc, |
10573 | NestedLoopCount, Clauses, AStmt, B); |
10574 | } |
10575 | |
10576 | StmtResult Sema::ActOnOpenMPTeamsGenericLoopDirective( |
10577 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10578 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10579 | if (!AStmt) |
10580 | return StmtError(); |
10581 | |
10582 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10583 | // A list item may not appear in a lastprivate clause unless it is the |
10584 | // loop iteration variable of a loop that is associated with the construct. |
10585 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_teams_loop, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10586 | return StmtError(); |
10587 | |
10588 | auto *CS = cast<CapturedStmt>(AStmt); |
10589 | // 1.2.2 OpenMP Language Terminology |
10590 | // Structured block - An executable statement with a single entry at the |
10591 | // top and a single exit at the bottom. |
10592 | // The point of exit cannot be a branch out of the structured block. |
10593 | // longjmp() and throw() must not violate the entry/exit criteria. |
10594 | CS->getCapturedDecl()->setNothrow(); |
10595 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_loop); |
10596 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10597 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10598 | // 1.2.2 OpenMP Language Terminology |
10599 | // Structured block - An executable statement with a single entry at the |
10600 | // top and a single exit at the bottom. |
10601 | // The point of exit cannot be a branch out of the structured block. |
10602 | // longjmp() and throw() must not violate the entry/exit criteria. |
10603 | CS->getCapturedDecl()->setNothrow(); |
10604 | } |
10605 | |
10606 | OMPLoopDirective::HelperExprs B; |
10607 | // In presence of clause 'collapse', it will define the nested loops number. |
10608 | unsigned NestedLoopCount = |
10609 | checkOpenMPLoop(OMPD_teams_loop, getCollapseNumberExpr(Clauses), |
10610 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10611 | VarsWithImplicitDSA, B); |
10612 | if (NestedLoopCount == 0) |
10613 | return StmtError(); |
10614 | |
10615 | 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", 10616, __extension__ __PRETTY_FUNCTION__ )) |
10616 | "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", 10616, __extension__ __PRETTY_FUNCTION__ )); |
10617 | |
10618 | setFunctionHasBranchProtectedScope(); |
10619 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
10620 | |
10621 | return OMPTeamsGenericLoopDirective::Create( |
10622 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10623 | } |
10624 | |
10625 | StmtResult Sema::ActOnOpenMPTargetTeamsGenericLoopDirective( |
10626 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10627 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10628 | if (!AStmt) |
10629 | return StmtError(); |
10630 | |
10631 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10632 | // A list item may not appear in a lastprivate clause unless it is the |
10633 | // loop iteration variable of a loop that is associated with the construct. |
10634 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_target_teams_loop, |
10635 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10636 | return StmtError(); |
10637 | |
10638 | auto *CS = cast<CapturedStmt>(AStmt); |
10639 | // 1.2.2 OpenMP Language Terminology |
10640 | // Structured block - An executable statement with a single entry at the |
10641 | // top and a single exit at the bottom. |
10642 | // The point of exit cannot be a branch out of the structured block. |
10643 | // longjmp() and throw() must not violate the entry/exit criteria. |
10644 | CS->getCapturedDecl()->setNothrow(); |
10645 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams_loop); |
10646 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10647 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10648 | // 1.2.2 OpenMP Language Terminology |
10649 | // Structured block - An executable statement with a single entry at the |
10650 | // top and a single exit at the bottom. |
10651 | // The point of exit cannot be a branch out of the structured block. |
10652 | // longjmp() and throw() must not violate the entry/exit criteria. |
10653 | CS->getCapturedDecl()->setNothrow(); |
10654 | } |
10655 | |
10656 | OMPLoopDirective::HelperExprs B; |
10657 | // In presence of clause 'collapse', it will define the nested loops number. |
10658 | unsigned NestedLoopCount = |
10659 | checkOpenMPLoop(OMPD_target_teams_loop, getCollapseNumberExpr(Clauses), |
10660 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10661 | VarsWithImplicitDSA, B); |
10662 | if (NestedLoopCount == 0) |
10663 | return StmtError(); |
10664 | |
10665 | 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", 10666, __extension__ __PRETTY_FUNCTION__ )) |
10666 | "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", 10666, __extension__ __PRETTY_FUNCTION__ )); |
10667 | |
10668 | setFunctionHasBranchProtectedScope(); |
10669 | |
10670 | return OMPTargetTeamsGenericLoopDirective::Create( |
10671 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10672 | } |
10673 | |
10674 | StmtResult Sema::ActOnOpenMPParallelGenericLoopDirective( |
10675 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10676 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10677 | if (!AStmt) |
10678 | return StmtError(); |
10679 | |
10680 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10681 | // A list item may not appear in a lastprivate clause unless it is the |
10682 | // loop iteration variable of a loop that is associated with the construct. |
10683 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_parallel_loop, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10684 | return StmtError(); |
10685 | |
10686 | auto *CS = cast<CapturedStmt>(AStmt); |
10687 | // 1.2.2 OpenMP Language Terminology |
10688 | // Structured block - An executable statement with a single entry at the |
10689 | // top and a single exit at the bottom. |
10690 | // The point of exit cannot be a branch out of the structured block. |
10691 | // longjmp() and throw() must not violate the entry/exit criteria. |
10692 | CS->getCapturedDecl()->setNothrow(); |
10693 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_parallel_loop); |
10694 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10695 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10696 | // 1.2.2 OpenMP Language Terminology |
10697 | // Structured block - An executable statement with a single entry at the |
10698 | // top and a single exit at the bottom. |
10699 | // The point of exit cannot be a branch out of the structured block. |
10700 | // longjmp() and throw() must not violate the entry/exit criteria. |
10701 | CS->getCapturedDecl()->setNothrow(); |
10702 | } |
10703 | |
10704 | OMPLoopDirective::HelperExprs B; |
10705 | // In presence of clause 'collapse', it will define the nested loops number. |
10706 | unsigned NestedLoopCount = |
10707 | checkOpenMPLoop(OMPD_parallel_loop, getCollapseNumberExpr(Clauses), |
10708 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10709 | VarsWithImplicitDSA, B); |
10710 | if (NestedLoopCount == 0) |
10711 | return StmtError(); |
10712 | |
10713 | 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", 10714, __extension__ __PRETTY_FUNCTION__ )) |
10714 | "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", 10714, __extension__ __PRETTY_FUNCTION__ )); |
10715 | |
10716 | setFunctionHasBranchProtectedScope(); |
10717 | |
10718 | return OMPParallelGenericLoopDirective::Create( |
10719 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10720 | } |
10721 | |
10722 | StmtResult Sema::ActOnOpenMPTargetParallelGenericLoopDirective( |
10723 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10724 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10725 | if (!AStmt) |
10726 | return StmtError(); |
10727 | |
10728 | // OpenMP 5.1 [2.11.7, loop construct, Restrictions] |
10729 | // A list item may not appear in a lastprivate clause unless it is the |
10730 | // loop iteration variable of a loop that is associated with the construct. |
10731 | if (checkGenericLoopLastprivate(*this, Clauses, OMPD_target_parallel_loop, |
10732 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10733 | return StmtError(); |
10734 | |
10735 | auto *CS = cast<CapturedStmt>(AStmt); |
10736 | // 1.2.2 OpenMP Language Terminology |
10737 | // Structured block - An executable statement with a single entry at the |
10738 | // top and a single exit at the bottom. |
10739 | // The point of exit cannot be a branch out of the structured block. |
10740 | // longjmp() and throw() must not violate the entry/exit criteria. |
10741 | CS->getCapturedDecl()->setNothrow(); |
10742 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_loop); |
10743 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
10744 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
10745 | // 1.2.2 OpenMP Language Terminology |
10746 | // Structured block - An executable statement with a single entry at the |
10747 | // top and a single exit at the bottom. |
10748 | // The point of exit cannot be a branch out of the structured block. |
10749 | // longjmp() and throw() must not violate the entry/exit criteria. |
10750 | CS->getCapturedDecl()->setNothrow(); |
10751 | } |
10752 | |
10753 | OMPLoopDirective::HelperExprs B; |
10754 | // In presence of clause 'collapse', it will define the nested loops number. |
10755 | unsigned NestedLoopCount = |
10756 | checkOpenMPLoop(OMPD_target_parallel_loop, getCollapseNumberExpr(Clauses), |
10757 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10758 | VarsWithImplicitDSA, B); |
10759 | if (NestedLoopCount == 0) |
10760 | return StmtError(); |
10761 | |
10762 | 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", 10763, __extension__ __PRETTY_FUNCTION__ )) |
10763 | "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", 10763, __extension__ __PRETTY_FUNCTION__ )); |
10764 | |
10765 | setFunctionHasBranchProtectedScope(); |
10766 | |
10767 | return OMPTargetParallelGenericLoopDirective::Create( |
10768 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10769 | } |
10770 | |
10771 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, |
10772 | Stmt *AStmt, |
10773 | SourceLocation StartLoc, |
10774 | SourceLocation EndLoc) { |
10775 | if (!AStmt) |
10776 | return StmtError(); |
10777 | |
10778 | 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", 10778, __extension__ __PRETTY_FUNCTION__ )); |
10779 | |
10780 | setFunctionHasBranchProtectedScope(); |
10781 | |
10782 | // OpenMP [2.7.3, single Construct, Restrictions] |
10783 | // The copyprivate clause must not be used with the nowait clause. |
10784 | const OMPClause *Nowait = nullptr; |
10785 | const OMPClause *Copyprivate = nullptr; |
10786 | for (const OMPClause *Clause : Clauses) { |
10787 | if (Clause->getClauseKind() == OMPC_nowait) |
10788 | Nowait = Clause; |
10789 | else if (Clause->getClauseKind() == OMPC_copyprivate) |
10790 | Copyprivate = Clause; |
10791 | if (Copyprivate && Nowait) { |
10792 | Diag(Copyprivate->getBeginLoc(), |
10793 | diag::err_omp_single_copyprivate_with_nowait); |
10794 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); |
10795 | return StmtError(); |
10796 | } |
10797 | } |
10798 | |
10799 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
10800 | } |
10801 | |
10802 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, |
10803 | SourceLocation StartLoc, |
10804 | SourceLocation EndLoc) { |
10805 | if (!AStmt) |
10806 | return StmtError(); |
10807 | |
10808 | setFunctionHasBranchProtectedScope(); |
10809 | |
10810 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); |
10811 | } |
10812 | |
10813 | StmtResult Sema::ActOnOpenMPMaskedDirective(ArrayRef<OMPClause *> Clauses, |
10814 | Stmt *AStmt, |
10815 | SourceLocation StartLoc, |
10816 | SourceLocation EndLoc) { |
10817 | if (!AStmt) |
10818 | return StmtError(); |
10819 | |
10820 | setFunctionHasBranchProtectedScope(); |
10821 | |
10822 | return OMPMaskedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
10823 | } |
10824 | |
10825 | StmtResult Sema::ActOnOpenMPCriticalDirective( |
10826 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, |
10827 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { |
10828 | if (!AStmt) |
10829 | return StmtError(); |
10830 | |
10831 | bool ErrorFound = false; |
10832 | llvm::APSInt Hint; |
10833 | SourceLocation HintLoc; |
10834 | bool DependentHint = false; |
10835 | for (const OMPClause *C : Clauses) { |
10836 | if (C->getClauseKind() == OMPC_hint) { |
10837 | if (!DirName.getName()) { |
10838 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); |
10839 | ErrorFound = true; |
10840 | } |
10841 | Expr *E = cast<OMPHintClause>(C)->getHint(); |
10842 | if (E->isTypeDependent() || E->isValueDependent() || |
10843 | E->isInstantiationDependent()) { |
10844 | DependentHint = true; |
10845 | } else { |
10846 | Hint = E->EvaluateKnownConstInt(Context); |
10847 | HintLoc = C->getBeginLoc(); |
10848 | } |
10849 | } |
10850 | } |
10851 | if (ErrorFound) |
10852 | return StmtError(); |
10853 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); |
10854 | if (Pair.first && DirName.getName() && !DependentHint) { |
10855 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { |
10856 | Diag(StartLoc, diag::err_omp_critical_with_hint); |
10857 | if (HintLoc.isValid()) |
10858 | Diag(HintLoc, diag::note_omp_critical_hint_here) |
10859 | << 0 << toString(Hint, /*Radix=*/10, /*Signed=*/false); |
10860 | else |
10861 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; |
10862 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { |
10863 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) |
10864 | << 1 |
10865 | << toString(C->getHint()->EvaluateKnownConstInt(Context), |
10866 | /*Radix=*/10, /*Signed=*/false); |
10867 | } else { |
10868 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; |
10869 | } |
10870 | } |
10871 | } |
10872 | |
10873 | setFunctionHasBranchProtectedScope(); |
10874 | |
10875 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, |
10876 | Clauses, AStmt); |
10877 | if (!Pair.first && DirName.getName() && !DependentHint) |
10878 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); |
10879 | return Dir; |
10880 | } |
10881 | |
10882 | StmtResult Sema::ActOnOpenMPParallelForDirective( |
10883 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10884 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10885 | if (!AStmt) |
10886 | return StmtError(); |
10887 | |
10888 | auto *CS = cast<CapturedStmt>(AStmt); |
10889 | // 1.2.2 OpenMP Language Terminology |
10890 | // Structured block - An executable statement with a single entry at the |
10891 | // top and a single exit at the bottom. |
10892 | // The point of exit cannot be a branch out of the structured block. |
10893 | // longjmp() and throw() must not violate the entry/exit criteria. |
10894 | CS->getCapturedDecl()->setNothrow(); |
10895 | |
10896 | OMPLoopBasedDirective::HelperExprs B; |
10897 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10898 | // define the nested loops number. |
10899 | unsigned NestedLoopCount = |
10900 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), |
10901 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10902 | VarsWithImplicitDSA, B); |
10903 | if (NestedLoopCount == 0) |
10904 | return StmtError(); |
10905 | |
10906 | 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", 10907, __extension__ __PRETTY_FUNCTION__ )) |
10907 | "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", 10907, __extension__ __PRETTY_FUNCTION__ )); |
10908 | |
10909 | if (!CurContext->isDependentContext()) { |
10910 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10911 | for (OMPClause *C : Clauses) { |
10912 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10913 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10914 | B.NumIterations, *this, CurScope, |
10915 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10916 | return StmtError(); |
10917 | } |
10918 | } |
10919 | |
10920 | setFunctionHasBranchProtectedScope(); |
10921 | return OMPParallelForDirective::Create( |
10922 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
10923 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10924 | } |
10925 | |
10926 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( |
10927 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10928 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10929 | if (!AStmt) |
10930 | return StmtError(); |
10931 | |
10932 | auto *CS = cast<CapturedStmt>(AStmt); |
10933 | // 1.2.2 OpenMP Language Terminology |
10934 | // Structured block - An executable statement with a single entry at the |
10935 | // top and a single exit at the bottom. |
10936 | // The point of exit cannot be a branch out of the structured block. |
10937 | // longjmp() and throw() must not violate the entry/exit criteria. |
10938 | CS->getCapturedDecl()->setNothrow(); |
10939 | |
10940 | OMPLoopBasedDirective::HelperExprs B; |
10941 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10942 | // define the nested loops number. |
10943 | unsigned NestedLoopCount = |
10944 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), |
10945 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10946 | VarsWithImplicitDSA, B); |
10947 | if (NestedLoopCount == 0) |
10948 | return StmtError(); |
10949 | |
10950 | if (!CurContext->isDependentContext()) { |
10951 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10952 | for (OMPClause *C : Clauses) { |
10953 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10954 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10955 | B.NumIterations, *this, CurScope, |
10956 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10957 | return StmtError(); |
10958 | } |
10959 | } |
10960 | |
10961 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
10962 | return StmtError(); |
10963 | |
10964 | setFunctionHasBranchProtectedScope(); |
10965 | return OMPParallelForSimdDirective::Create( |
10966 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10967 | } |
10968 | |
10969 | StmtResult |
10970 | Sema::ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, |
10971 | Stmt *AStmt, SourceLocation StartLoc, |
10972 | SourceLocation EndLoc) { |
10973 | if (!AStmt) |
10974 | return StmtError(); |
10975 | |
10976 | 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", 10976, __extension__ __PRETTY_FUNCTION__ )); |
10977 | auto *CS = cast<CapturedStmt>(AStmt); |
10978 | // 1.2.2 OpenMP Language Terminology |
10979 | // Structured block - An executable statement with a single entry at the |
10980 | // top and a single exit at the bottom. |
10981 | // The point of exit cannot be a branch out of the structured block. |
10982 | // longjmp() and throw() must not violate the entry/exit criteria. |
10983 | CS->getCapturedDecl()->setNothrow(); |
10984 | |
10985 | setFunctionHasBranchProtectedScope(); |
10986 | |
10987 | return OMPParallelMasterDirective::Create( |
10988 | Context, StartLoc, EndLoc, Clauses, AStmt, |
10989 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); |
10990 | } |
10991 | |
10992 | StmtResult |
10993 | Sema::ActOnOpenMPParallelMaskedDirective(ArrayRef<OMPClause *> Clauses, |
10994 | Stmt *AStmt, SourceLocation StartLoc, |
10995 | SourceLocation EndLoc) { |
10996 | if (!AStmt) |
10997 | return StmtError(); |
10998 | |
10999 | 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", 10999, __extension__ __PRETTY_FUNCTION__ )); |
11000 | auto *CS = cast<CapturedStmt>(AStmt); |
11001 | // 1.2.2 OpenMP Language Terminology |
11002 | // Structured block - An executable statement with a single entry at the |
11003 | // top and a single exit at the bottom. |
11004 | // The point of exit cannot be a branch out of the structured block. |
11005 | // longjmp() and throw() must not violate the entry/exit criteria. |
11006 | CS->getCapturedDecl()->setNothrow(); |
11007 | |
11008 | setFunctionHasBranchProtectedScope(); |
11009 | |
11010 | return OMPParallelMaskedDirective::Create( |
11011 | Context, StartLoc, EndLoc, Clauses, AStmt, |
11012 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); |
11013 | } |
11014 | |
11015 | StmtResult |
11016 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, |
11017 | Stmt *AStmt, SourceLocation StartLoc, |
11018 | SourceLocation EndLoc) { |
11019 | if (!AStmt) |
11020 | return StmtError(); |
11021 | |
11022 | 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", 11022, __extension__ __PRETTY_FUNCTION__ )); |
11023 | auto BaseStmt = AStmt; |
11024 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) |
11025 | BaseStmt = CS->getCapturedStmt(); |
11026 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { |
11027 | auto S = C->children(); |
11028 | if (S.begin() == S.end()) |
11029 | return StmtError(); |
11030 | // All associated statements must be '#pragma omp section' except for |
11031 | // the first one. |
11032 | for (Stmt *SectionStmt : llvm::drop_begin(S)) { |
11033 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { |
11034 | if (SectionStmt) |
11035 | Diag(SectionStmt->getBeginLoc(), |
11036 | diag::err_omp_parallel_sections_substmt_not_section); |
11037 | return StmtError(); |
11038 | } |
11039 | cast<OMPSectionDirective>(SectionStmt) |
11040 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11041 | } |
11042 | } else { |
11043 | Diag(AStmt->getBeginLoc(), |
11044 | diag::err_omp_parallel_sections_not_compound_stmt); |
11045 | return StmtError(); |
11046 | } |
11047 | |
11048 | setFunctionHasBranchProtectedScope(); |
11049 | |
11050 | return OMPParallelSectionsDirective::Create( |
11051 | Context, StartLoc, EndLoc, Clauses, AStmt, |
11052 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11053 | } |
11054 | |
11055 | /// Find and diagnose mutually exclusive clause kinds. |
11056 | static bool checkMutuallyExclusiveClauses( |
11057 | Sema &S, ArrayRef<OMPClause *> Clauses, |
11058 | ArrayRef<OpenMPClauseKind> MutuallyExclusiveClauses) { |
11059 | const OMPClause *PrevClause = nullptr; |
11060 | bool ErrorFound = false; |
11061 | for (const OMPClause *C : Clauses) { |
11062 | if (llvm::is_contained(MutuallyExclusiveClauses, C->getClauseKind())) { |
11063 | if (!PrevClause) { |
11064 | PrevClause = C; |
11065 | } else if (PrevClause->getClauseKind() != C->getClauseKind()) { |
11066 | S.Diag(C->getBeginLoc(), diag::err_omp_clauses_mutually_exclusive) |
11067 | << getOpenMPClauseName(C->getClauseKind()) |
11068 | << getOpenMPClauseName(PrevClause->getClauseKind()); |
11069 | S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_clause) |
11070 | << getOpenMPClauseName(PrevClause->getClauseKind()); |
11071 | ErrorFound = true; |
11072 | } |
11073 | } |
11074 | } |
11075 | return ErrorFound; |
11076 | } |
11077 | |
11078 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, |
11079 | Stmt *AStmt, SourceLocation StartLoc, |
11080 | SourceLocation EndLoc) { |
11081 | if (!AStmt) |
11082 | return StmtError(); |
11083 | |
11084 | // OpenMP 5.0, 2.10.1 task Construct |
11085 | // If a detach clause appears on the directive, then a mergeable clause cannot |
11086 | // appear on the same directive. |
11087 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
11088 | {OMPC_detach, OMPC_mergeable})) |
11089 | return StmtError(); |
11090 | |
11091 | auto *CS = cast<CapturedStmt>(AStmt); |
11092 | // 1.2.2 OpenMP Language Terminology |
11093 | // Structured block - An executable statement with a single entry at the |
11094 | // top and a single exit at the bottom. |
11095 | // The point of exit cannot be a branch out of the structured block. |
11096 | // longjmp() and throw() must not violate the entry/exit criteria. |
11097 | CS->getCapturedDecl()->setNothrow(); |
11098 | |
11099 | setFunctionHasBranchProtectedScope(); |
11100 | |
11101 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
11102 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11103 | } |
11104 | |
11105 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, |
11106 | SourceLocation EndLoc) { |
11107 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); |
11108 | } |
11109 | |
11110 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, |
11111 | SourceLocation EndLoc) { |
11112 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); |
11113 | } |
11114 | |
11115 | StmtResult Sema::ActOnOpenMPErrorDirective(ArrayRef<OMPClause *> Clauses, |
11116 | SourceLocation StartLoc, |
11117 | SourceLocation EndLoc, |
11118 | bool InExContext) { |
11119 | const OMPAtClause *AtC = |
11120 | OMPExecutableDirective::getSingleClause<OMPAtClause>(Clauses); |
11121 | |
11122 | if (AtC && !InExContext && AtC->getAtKind() == OMPC_AT_execution) { |
11123 | Diag(AtC->getAtKindKwLoc(), diag::err_omp_unexpected_execution_modifier); |
11124 | return StmtError(); |
11125 | } |
11126 | |
11127 | const OMPSeverityClause *SeverityC = |
11128 | OMPExecutableDirective::getSingleClause<OMPSeverityClause>(Clauses); |
11129 | const OMPMessageClause *MessageC = |
11130 | OMPExecutableDirective::getSingleClause<OMPMessageClause>(Clauses); |
11131 | Expr *ME = MessageC ? MessageC->getMessageString() : nullptr; |
11132 | |
11133 | if (!AtC || AtC->getAtKind() == OMPC_AT_compilation) { |
11134 | if (SeverityC && SeverityC->getSeverityKind() == OMPC_SEVERITY_warning) |
11135 | Diag(SeverityC->getSeverityKindKwLoc(), diag::warn_diagnose_if_succeeded) |
11136 | << (ME ? cast<StringLiteral>(ME)->getString() : "WARNING"); |
11137 | else |
11138 | Diag(StartLoc, diag::err_diagnose_if_succeeded) |
11139 | << (ME ? cast<StringLiteral>(ME)->getString() : "ERROR"); |
11140 | if (!SeverityC || SeverityC->getSeverityKind() != OMPC_SEVERITY_warning) |
11141 | return StmtError(); |
11142 | } |
11143 | return OMPErrorDirective::Create(Context, StartLoc, EndLoc, Clauses); |
11144 | } |
11145 | |
11146 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(ArrayRef<OMPClause *> Clauses, |
11147 | SourceLocation StartLoc, |
11148 | SourceLocation EndLoc) { |
11149 | const OMPNowaitClause *NowaitC = |
11150 | OMPExecutableDirective::getSingleClause<OMPNowaitClause>(Clauses); |
11151 | bool HasDependC = |
11152 | !OMPExecutableDirective::getClausesOfKind<OMPDependClause>(Clauses) |
11153 | .empty(); |
11154 | if (NowaitC && !HasDependC) { |
11155 | Diag(StartLoc, diag::err_omp_nowait_clause_without_depend); |
11156 | return StmtError(); |
11157 | } |
11158 | |
11159 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc, Clauses); |
11160 | } |
11161 | |
11162 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, |
11163 | Stmt *AStmt, |
11164 | SourceLocation StartLoc, |
11165 | SourceLocation EndLoc) { |
11166 | if (!AStmt) |
11167 | return StmtError(); |
11168 | |
11169 | 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", 11169, __extension__ __PRETTY_FUNCTION__ )); |
11170 | |
11171 | setFunctionHasBranchProtectedScope(); |
11172 | |
11173 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, |
11174 | AStmt, |
11175 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); |
11176 | } |
11177 | |
11178 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, |
11179 | SourceLocation StartLoc, |
11180 | SourceLocation EndLoc) { |
11181 | OMPFlushClause *FC = nullptr; |
11182 | OMPClause *OrderClause = nullptr; |
11183 | for (OMPClause *C : Clauses) { |
11184 | if (C->getClauseKind() == OMPC_flush) |
11185 | FC = cast<OMPFlushClause>(C); |
11186 | else |
11187 | OrderClause = C; |
11188 | } |
11189 | OpenMPClauseKind MemOrderKind = OMPC_unknown; |
11190 | SourceLocation MemOrderLoc; |
11191 | for (const OMPClause *C : Clauses) { |
11192 | if (C->getClauseKind() == OMPC_acq_rel || |
11193 | C->getClauseKind() == OMPC_acquire || |
11194 | C->getClauseKind() == OMPC_release) { |
11195 | if (MemOrderKind != OMPC_unknown) { |
11196 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) |
11197 | << getOpenMPDirectiveName(OMPD_flush) << 1 |
11198 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
11199 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
11200 | << getOpenMPClauseName(MemOrderKind); |
11201 | } else { |
11202 | MemOrderKind = C->getClauseKind(); |
11203 | MemOrderLoc = C->getBeginLoc(); |
11204 | } |
11205 | } |
11206 | } |
11207 | if (FC && OrderClause) { |
11208 | Diag(FC->getLParenLoc(), diag::err_omp_flush_order_clause_and_list) |
11209 | << getOpenMPClauseName(OrderClause->getClauseKind()); |
11210 | Diag(OrderClause->getBeginLoc(), diag::note_omp_flush_order_clause_here) |
11211 | << getOpenMPClauseName(OrderClause->getClauseKind()); |
11212 | return StmtError(); |
11213 | } |
11214 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); |
11215 | } |
11216 | |
11217 | StmtResult Sema::ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, |
11218 | SourceLocation StartLoc, |
11219 | SourceLocation EndLoc) { |
11220 | if (Clauses.empty()) { |
11221 | Diag(StartLoc, diag::err_omp_depobj_expected); |
11222 | return StmtError(); |
11223 | } else if (Clauses[0]->getClauseKind() != OMPC_depobj) { |
11224 | Diag(Clauses[0]->getBeginLoc(), diag::err_omp_depobj_expected); |
11225 | return StmtError(); |
11226 | } |
11227 | // Only depobj expression and another single clause is allowed. |
11228 | if (Clauses.size() > 2) { |
11229 | Diag(Clauses[2]->getBeginLoc(), |
11230 | diag::err_omp_depobj_single_clause_expected); |
11231 | return StmtError(); |
11232 | } else if (Clauses.size() < 1) { |
11233 | Diag(Clauses[0]->getEndLoc(), diag::err_omp_depobj_single_clause_expected); |
11234 | return StmtError(); |
11235 | } |
11236 | return OMPDepobjDirective::Create(Context, StartLoc, EndLoc, Clauses); |
11237 | } |
11238 | |
11239 | StmtResult Sema::ActOnOpenMPScanDirective(ArrayRef<OMPClause *> Clauses, |
11240 | SourceLocation StartLoc, |
11241 | SourceLocation EndLoc) { |
11242 | // Check that exactly one clause is specified. |
11243 | if (Clauses.size() != 1) { |
11244 | Diag(Clauses.empty() ? EndLoc : Clauses[1]->getBeginLoc(), |
11245 | diag::err_omp_scan_single_clause_expected); |
11246 | return StmtError(); |
11247 | } |
11248 | // Check that scan directive is used in the scopeof the OpenMP loop body. |
11249 | if (Scope *S = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()) { |
11250 | Scope *ParentS = S->getParent(); |
11251 | if (!ParentS || ParentS->getParent() != ParentS->getBreakParent() || |
11252 | !ParentS->getBreakParent()->isOpenMPLoopScope()) |
11253 | return StmtError(Diag(StartLoc, diag::err_omp_orphaned_device_directive) |
11254 | << getOpenMPDirectiveName(OMPD_scan) << 5); |
11255 | } |
11256 | // Check that only one instance of scan directives is used in the same outer |
11257 | // region. |
11258 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasScanDirective()) { |
11259 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "scan"; |
11260 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentScanDirectiveLoc(), |
11261 | diag::note_omp_previous_directive) |
11262 | << "scan"; |
11263 | return StmtError(); |
11264 | } |
11265 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasScanDirective(StartLoc); |
11266 | return OMPScanDirective::Create(Context, StartLoc, EndLoc, Clauses); |
11267 | } |
11268 | |
11269 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, |
11270 | Stmt *AStmt, |
11271 | SourceLocation StartLoc, |
11272 | SourceLocation EndLoc) { |
11273 | const OMPClause *DependFound = nullptr; |
11274 | const OMPClause *DependSourceClause = nullptr; |
11275 | const OMPClause *DependSinkClause = nullptr; |
11276 | bool ErrorFound = false; |
11277 | const OMPThreadsClause *TC = nullptr; |
11278 | const OMPSIMDClause *SC = nullptr; |
11279 | for (const OMPClause *C : Clauses) { |
11280 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { |
11281 | DependFound = C; |
11282 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { |
11283 | if (DependSourceClause) { |
11284 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) |
11285 | << getOpenMPDirectiveName(OMPD_ordered) |
11286 | << getOpenMPClauseName(OMPC_depend) << 2; |
11287 | ErrorFound = true; |
11288 | } else { |
11289 | DependSourceClause = C; |
11290 | } |
11291 | if (DependSinkClause) { |
11292 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) |
11293 | << 0; |
11294 | ErrorFound = true; |
11295 | } |
11296 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { |
11297 | if (DependSourceClause) { |
11298 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) |
11299 | << 1; |
11300 | ErrorFound = true; |
11301 | } |
11302 | DependSinkClause = C; |
11303 | } |
11304 | } else if (C->getClauseKind() == OMPC_threads) { |
11305 | TC = cast<OMPThreadsClause>(C); |
11306 | } else if (C->getClauseKind() == OMPC_simd) { |
11307 | SC = cast<OMPSIMDClause>(C); |
11308 | } |
11309 | } |
11310 | if (!ErrorFound && !SC && |
11311 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { |
11312 | // OpenMP [2.8.1,simd Construct, Restrictions] |
11313 | // An ordered construct with the simd clause is the only OpenMP construct |
11314 | // that can appear in the simd region. |
11315 | Diag(StartLoc, diag::err_omp_prohibited_region_simd) |
11316 | << (LangOpts.OpenMP >= 50 ? 1 : 0); |
11317 | ErrorFound = true; |
11318 | } else if (DependFound && (TC || SC)) { |
11319 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) |
11320 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); |
11321 | ErrorFound = true; |
11322 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
11323 | Diag(DependFound->getBeginLoc(), |
11324 | diag::err_omp_ordered_directive_without_param); |
11325 | ErrorFound = true; |
11326 | } else if (TC || Clauses.empty()) { |
11327 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
11328 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; |
11329 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) |
11330 | << (TC != nullptr); |
11331 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param) << 1; |
11332 | ErrorFound = true; |
11333 | } |
11334 | } |
11335 | if ((!AStmt && !DependFound) || ErrorFound) |
11336 | return StmtError(); |
11337 | |
11338 | // OpenMP 5.0, 2.17.9, ordered Construct, Restrictions. |
11339 | // During execution of an iteration of a worksharing-loop or a loop nest |
11340 | // within a worksharing-loop, simd, or worksharing-loop SIMD region, a thread |
11341 | // must not execute more than one ordered region corresponding to an ordered |
11342 | // construct without a depend clause. |
11343 | if (!DependFound) { |
11344 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasOrderedDirective()) { |
11345 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "ordered"; |
11346 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedDirectiveLoc(), |
11347 | diag::note_omp_previous_directive) |
11348 | << "ordered"; |
11349 | return StmtError(); |
11350 | } |
11351 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasOrderedDirective(StartLoc); |
11352 | } |
11353 | |
11354 | if (AStmt) { |
11355 | 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", 11355, __extension__ __PRETTY_FUNCTION__ )); |
11356 | |
11357 | setFunctionHasBranchProtectedScope(); |
11358 | } |
11359 | |
11360 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
11361 | } |
11362 | |
11363 | namespace { |
11364 | /// Helper class for checking expression in 'omp atomic [update]' |
11365 | /// construct. |
11366 | class OpenMPAtomicUpdateChecker { |
11367 | /// Error results for atomic update expressions. |
11368 | enum ExprAnalysisErrorCode { |
11369 | /// A statement is not an expression statement. |
11370 | NotAnExpression, |
11371 | /// Expression is not builtin binary or unary operation. |
11372 | NotABinaryOrUnaryExpression, |
11373 | /// Unary operation is not post-/pre- increment/decrement operation. |
11374 | NotAnUnaryIncDecExpression, |
11375 | /// An expression is not of scalar type. |
11376 | NotAScalarType, |
11377 | /// A binary operation is not an assignment operation. |
11378 | NotAnAssignmentOp, |
11379 | /// RHS part of the binary operation is not a binary expression. |
11380 | NotABinaryExpression, |
11381 | /// RHS part is not additive/multiplicative/shift/biwise binary |
11382 | /// expression. |
11383 | NotABinaryOperator, |
11384 | /// RHS binary operation does not have reference to the updated LHS |
11385 | /// part. |
11386 | NotAnUpdateExpression, |
11387 | /// No errors is found. |
11388 | NoError |
11389 | }; |
11390 | /// Reference to Sema. |
11391 | Sema &SemaRef; |
11392 | /// A location for note diagnostics (when error is found). |
11393 | SourceLocation NoteLoc; |
11394 | /// 'x' lvalue part of the source atomic expression. |
11395 | Expr *X; |
11396 | /// 'expr' rvalue part of the source atomic expression. |
11397 | Expr *E; |
11398 | /// Helper expression of the form |
11399 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or |
11400 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. |
11401 | Expr *UpdateExpr; |
11402 | /// Is 'x' a LHS in a RHS part of full update expression. It is |
11403 | /// important for non-associative operations. |
11404 | bool IsXLHSInRHSPart; |
11405 | BinaryOperatorKind Op; |
11406 | SourceLocation OpLoc; |
11407 | /// true if the source expression is a postfix unary operation, false |
11408 | /// if it is a prefix unary operation. |
11409 | bool IsPostfixUpdate; |
11410 | |
11411 | public: |
11412 | OpenMPAtomicUpdateChecker(Sema &SemaRef) |
11413 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), |
11414 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} |
11415 | /// Check specified statement that it is suitable for 'atomic update' |
11416 | /// constructs and extract 'x', 'expr' and Operation from the original |
11417 | /// expression. If DiagId and NoteId == 0, then only check is performed |
11418 | /// without error notification. |
11419 | /// \param DiagId Diagnostic which should be emitted if error is found. |
11420 | /// \param NoteId Diagnostic note for the main error message. |
11421 | /// \return true if statement is not an update expression, false otherwise. |
11422 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); |
11423 | /// Return the 'x' lvalue part of the source atomic expression. |
11424 | Expr *getX() const { return X; } |
11425 | /// Return the 'expr' rvalue part of the source atomic expression. |
11426 | Expr *getExpr() const { return E; } |
11427 | /// Return the update expression used in calculation of the updated |
11428 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or |
11429 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. |
11430 | Expr *getUpdateExpr() const { return UpdateExpr; } |
11431 | /// Return true if 'x' is LHS in RHS part of full update expression, |
11432 | /// false otherwise. |
11433 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } |
11434 | |
11435 | /// true if the source expression is a postfix unary operation, false |
11436 | /// if it is a prefix unary operation. |
11437 | bool isPostfixUpdate() const { return IsPostfixUpdate; } |
11438 | |
11439 | private: |
11440 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, |
11441 | unsigned NoteId = 0); |
11442 | }; |
11443 | |
11444 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( |
11445 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { |
11446 | ExprAnalysisErrorCode ErrorFound = NoError; |
11447 | SourceLocation ErrorLoc, NoteLoc; |
11448 | SourceRange ErrorRange, NoteRange; |
11449 | // Allowed constructs are: |
11450 | // x = x binop expr; |
11451 | // x = expr binop x; |
11452 | if (AtomicBinOp->getOpcode() == BO_Assign) { |
11453 | X = AtomicBinOp->getLHS(); |
11454 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( |
11455 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { |
11456 | if (AtomicInnerBinOp->isMultiplicativeOp() || |
11457 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || |
11458 | AtomicInnerBinOp->isBitwiseOp()) { |
11459 | Op = AtomicInnerBinOp->getOpcode(); |
11460 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); |
11461 | Expr *LHS = AtomicInnerBinOp->getLHS(); |
11462 | Expr *RHS = AtomicInnerBinOp->getRHS(); |
11463 | llvm::FoldingSetNodeID XId, LHSId, RHSId; |
11464 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), |
11465 | /*Canonical=*/true); |
11466 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), |
11467 | /*Canonical=*/true); |
11468 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), |
11469 | /*Canonical=*/true); |
11470 | if (XId == LHSId) { |
11471 | E = RHS; |
11472 | IsXLHSInRHSPart = true; |
11473 | } else if (XId == RHSId) { |
11474 | E = LHS; |
11475 | IsXLHSInRHSPart = false; |
11476 | } else { |
11477 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); |
11478 | ErrorRange = AtomicInnerBinOp->getSourceRange(); |
11479 | NoteLoc = X->getExprLoc(); |
11480 | NoteRange = X->getSourceRange(); |
11481 | ErrorFound = NotAnUpdateExpression; |
11482 | } |
11483 | } else { |
11484 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); |
11485 | ErrorRange = AtomicInnerBinOp->getSourceRange(); |
11486 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); |
11487 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
11488 | ErrorFound = NotABinaryOperator; |
11489 | } |
11490 | } else { |
11491 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); |
11492 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); |
11493 | ErrorFound = NotABinaryExpression; |
11494 | } |
11495 | } else { |
11496 | ErrorLoc = AtomicBinOp->getExprLoc(); |
11497 | ErrorRange = AtomicBinOp->getSourceRange(); |
11498 | NoteLoc = AtomicBinOp->getOperatorLoc(); |
11499 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
11500 | ErrorFound = NotAnAssignmentOp; |
11501 | } |
11502 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { |
11503 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; |
11504 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; |
11505 | return true; |
11506 | } |
11507 | if (SemaRef.CurContext->isDependentContext()) |
11508 | E = X = UpdateExpr = nullptr; |
11509 | return ErrorFound != NoError; |
11510 | } |
11511 | |
11512 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, |
11513 | unsigned NoteId) { |
11514 | ExprAnalysisErrorCode ErrorFound = NoError; |
11515 | SourceLocation ErrorLoc, NoteLoc; |
11516 | SourceRange ErrorRange, NoteRange; |
11517 | // Allowed constructs are: |
11518 | // x++; |
11519 | // x--; |
11520 | // ++x; |
11521 | // --x; |
11522 | // x binop= expr; |
11523 | // x = x binop expr; |
11524 | // x = expr binop x; |
11525 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { |
11526 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); |
11527 | if (AtomicBody->getType()->isScalarType() || |
11528 | AtomicBody->isInstantiationDependent()) { |
11529 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( |
11530 | AtomicBody->IgnoreParenImpCasts())) { |
11531 | // Check for Compound Assignment Operation |
11532 | Op = BinaryOperator::getOpForCompoundAssignment( |
11533 | AtomicCompAssignOp->getOpcode()); |
11534 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); |
11535 | E = AtomicCompAssignOp->getRHS(); |
11536 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); |
11537 | IsXLHSInRHSPart = true; |
11538 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( |
11539 | AtomicBody->IgnoreParenImpCasts())) { |
11540 | // Check for Binary Operation |
11541 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) |
11542 | return true; |
11543 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( |
11544 | AtomicBody->IgnoreParenImpCasts())) { |
11545 | // Check for Unary Operation |
11546 | if (AtomicUnaryOp->isIncrementDecrementOp()) { |
11547 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); |
11548 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; |
11549 | OpLoc = AtomicUnaryOp->getOperatorLoc(); |
11550 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); |
11551 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); |
11552 | IsXLHSInRHSPart = true; |
11553 | } else { |
11554 | ErrorFound = NotAnUnaryIncDecExpression; |
11555 | ErrorLoc = AtomicUnaryOp->getExprLoc(); |
11556 | ErrorRange = AtomicUnaryOp->getSourceRange(); |
11557 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); |
11558 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
11559 | } |
11560 | } else if (!AtomicBody->isInstantiationDependent()) { |
11561 | ErrorFound = NotABinaryOrUnaryExpression; |
11562 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); |
11563 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); |
11564 | } |
11565 | } else { |
11566 | ErrorFound = NotAScalarType; |
11567 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); |
11568 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
11569 | } |
11570 | } else { |
11571 | ErrorFound = NotAnExpression; |
11572 | NoteLoc = ErrorLoc = S->getBeginLoc(); |
11573 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
11574 | } |
11575 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { |
11576 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; |
11577 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; |
11578 | return true; |
11579 | } |
11580 | if (SemaRef.CurContext->isDependentContext()) |
11581 | E = X = UpdateExpr = nullptr; |
11582 | if (ErrorFound == NoError && E && X) { |
11583 | // Build an update expression of form 'OpaqueValueExpr(x) binop |
11584 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop |
11585 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. |
11586 | auto *OVEX = new (SemaRef.getASTContext()) |
11587 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_PRValue); |
11588 | auto *OVEExpr = new (SemaRef.getASTContext()) |
11589 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_PRValue); |
11590 | ExprResult Update = |
11591 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, |
11592 | IsXLHSInRHSPart ? OVEExpr : OVEX); |
11593 | if (Update.isInvalid()) |
11594 | return true; |
11595 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), |
11596 | Sema::AA_Casting); |
11597 | if (Update.isInvalid()) |
11598 | return true; |
11599 | UpdateExpr = Update.get(); |
11600 | } |
11601 | return ErrorFound != NoError; |
11602 | } |
11603 | |
11604 | /// Get the node id of the fixed point of an expression \a S. |
11605 | llvm::FoldingSetNodeID getNodeId(ASTContext &Context, const Expr *S) { |
11606 | llvm::FoldingSetNodeID Id; |
11607 | S->IgnoreParenImpCasts()->Profile(Id, Context, true); |
11608 | return Id; |
11609 | } |
11610 | |
11611 | /// Check if two expressions are same. |
11612 | bool checkIfTwoExprsAreSame(ASTContext &Context, const Expr *LHS, |
11613 | const Expr *RHS) { |
11614 | return getNodeId(Context, LHS) == getNodeId(Context, RHS); |
11615 | } |
11616 | |
11617 | class OpenMPAtomicCompareChecker { |
11618 | public: |
11619 | /// All kinds of errors that can occur in `atomic compare` |
11620 | enum ErrorTy { |
11621 | /// Empty compound statement. |
11622 | NoStmt = 0, |
11623 | /// More than one statement in a compound statement. |
11624 | MoreThanOneStmt, |
11625 | /// Not an assignment binary operator. |
11626 | NotAnAssignment, |
11627 | /// Not a conditional operator. |
11628 | NotCondOp, |
11629 | /// Wrong false expr. According to the spec, 'x' should be at the false |
11630 | /// expression of a conditional expression. |
11631 | WrongFalseExpr, |
11632 | /// The condition of a conditional expression is not a binary operator. |
11633 | NotABinaryOp, |
11634 | /// Invalid binary operator (not <, >, or ==). |
11635 | InvalidBinaryOp, |
11636 | /// Invalid comparison (not x == e, e == x, x ordop expr, or expr ordop x). |
11637 | InvalidComparison, |
11638 | /// X is not a lvalue. |
11639 | XNotLValue, |
11640 | /// Not a scalar. |
11641 | NotScalar, |
11642 | /// Not an integer. |
11643 | NotInteger, |
11644 | /// 'else' statement is not expected. |
11645 | UnexpectedElse, |
11646 | /// Not an equality operator. |
11647 | NotEQ, |
11648 | /// Invalid assignment (not v == x). |
11649 | InvalidAssignment, |
11650 | /// Not if statement |
11651 | NotIfStmt, |
11652 | /// More than two statements in a compund statement. |
11653 | MoreThanTwoStmts, |
11654 | /// Not a compound statement. |
11655 | NotCompoundStmt, |
11656 | /// No else statement. |
11657 | NoElse, |
11658 | /// Not 'if (r)'. |
11659 | InvalidCondition, |
11660 | /// No error. |
11661 | NoError, |
11662 | }; |
11663 | |
11664 | struct ErrorInfoTy { |
11665 | ErrorTy Error; |
11666 | SourceLocation ErrorLoc; |
11667 | SourceRange ErrorRange; |
11668 | SourceLocation NoteLoc; |
11669 | SourceRange NoteRange; |
11670 | }; |
11671 | |
11672 | OpenMPAtomicCompareChecker(Sema &S) : ContextRef(S.getASTContext()) {} |
11673 | |
11674 | /// Check if statement \a S is valid for <tt>atomic compare</tt>. |
11675 | bool checkStmt(Stmt *S, ErrorInfoTy &ErrorInfo); |
11676 | |
11677 | Expr *getX() const { return X; } |
11678 | Expr *getE() const { return E; } |
11679 | Expr *getD() const { return D; } |
11680 | Expr *getCond() const { return C; } |
11681 | bool isXBinopExpr() const { return IsXBinopExpr; } |
11682 | |
11683 | protected: |
11684 | /// Reference to ASTContext |
11685 | ASTContext &ContextRef; |
11686 | /// 'x' lvalue part of the source atomic expression. |
11687 | Expr *X = nullptr; |
11688 | /// 'expr' or 'e' rvalue part of the source atomic expression. |
11689 | Expr *E = nullptr; |
11690 | /// 'd' rvalue part of the source atomic expression. |
11691 | Expr *D = nullptr; |
11692 | /// 'cond' part of the source atomic expression. It is in one of the following |
11693 | /// forms: |
11694 | /// expr ordop x |
11695 | /// x ordop expr |
11696 | /// x == e |
11697 | /// e == x |
11698 | Expr *C = nullptr; |
11699 | /// True if the cond expr is in the form of 'x ordop expr'. |
11700 | bool IsXBinopExpr = true; |
11701 | |
11702 | /// Check if it is a valid conditional update statement (cond-update-stmt). |
11703 | bool checkCondUpdateStmt(IfStmt *S, ErrorInfoTy &ErrorInfo); |
11704 | |
11705 | /// Check if it is a valid conditional expression statement (cond-expr-stmt). |
11706 | bool checkCondExprStmt(Stmt *S, ErrorInfoTy &ErrorInfo); |
11707 | |
11708 | /// Check if all captured values have right type. |
11709 | bool checkType(ErrorInfoTy &ErrorInfo) const; |
11710 | |
11711 | static bool CheckValue(const Expr *E, ErrorInfoTy &ErrorInfo, |
11712 | bool ShouldBeLValue, bool ShouldBeInteger = false) { |
11713 | if (E->isInstantiationDependent()) |
11714 | return true; |
11715 | |
11716 | if (ShouldBeLValue && !E->isLValue()) { |
11717 | ErrorInfo.Error = ErrorTy::XNotLValue; |
11718 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = E->getExprLoc(); |
11719 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = E->getSourceRange(); |
11720 | return false; |
11721 | } |
11722 | |
11723 | QualType QTy = E->getType(); |
11724 | if (!QTy->isScalarType()) { |
11725 | ErrorInfo.Error = ErrorTy::NotScalar; |
11726 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = E->getExprLoc(); |
11727 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = E->getSourceRange(); |
11728 | return false; |
11729 | } |
11730 | if (ShouldBeInteger && !QTy->isIntegerType()) { |
11731 | ErrorInfo.Error = ErrorTy::NotInteger; |
11732 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = E->getExprLoc(); |
11733 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = E->getSourceRange(); |
11734 | return false; |
11735 | } |
11736 | |
11737 | return true; |
11738 | } |
11739 | }; |
11740 | |
11741 | bool OpenMPAtomicCompareChecker::checkCondUpdateStmt(IfStmt *S, |
11742 | ErrorInfoTy &ErrorInfo) { |
11743 | auto *Then = S->getThen(); |
11744 | if (auto *CS = dyn_cast<CompoundStmt>(Then)) { |
11745 | if (CS->body_empty()) { |
11746 | ErrorInfo.Error = ErrorTy::NoStmt; |
11747 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11748 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11749 | return false; |
11750 | } |
11751 | if (CS->size() > 1) { |
11752 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11753 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11754 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
11755 | return false; |
11756 | } |
11757 | Then = CS->body_front(); |
11758 | } |
11759 | |
11760 | auto *BO = dyn_cast<BinaryOperator>(Then); |
11761 | if (!BO) { |
11762 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11763 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Then->getBeginLoc(); |
11764 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Then->getSourceRange(); |
11765 | return false; |
11766 | } |
11767 | if (BO->getOpcode() != BO_Assign) { |
11768 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11769 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
11770 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
11771 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11772 | return false; |
11773 | } |
11774 | |
11775 | X = BO->getLHS(); |
11776 | |
11777 | auto *Cond = dyn_cast<BinaryOperator>(S->getCond()); |
11778 | if (!Cond) { |
11779 | ErrorInfo.Error = ErrorTy::NotABinaryOp; |
11780 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getCond()->getExprLoc(); |
11781 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getCond()->getSourceRange(); |
11782 | return false; |
11783 | } |
11784 | |
11785 | switch (Cond->getOpcode()) { |
11786 | case BO_EQ: { |
11787 | C = Cond; |
11788 | D = BO->getRHS(); |
11789 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS())) { |
11790 | E = Cond->getRHS(); |
11791 | } else if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11792 | E = Cond->getLHS(); |
11793 | } else { |
11794 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11795 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11796 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11797 | return false; |
11798 | } |
11799 | break; |
11800 | } |
11801 | case BO_LT: |
11802 | case BO_GT: { |
11803 | E = BO->getRHS(); |
11804 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS()) && |
11805 | checkIfTwoExprsAreSame(ContextRef, E, Cond->getRHS())) { |
11806 | C = Cond; |
11807 | } else if (checkIfTwoExprsAreSame(ContextRef, E, Cond->getLHS()) && |
11808 | checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11809 | C = Cond; |
11810 | IsXBinopExpr = false; |
11811 | } else { |
11812 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11813 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11814 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11815 | return false; |
11816 | } |
11817 | break; |
11818 | } |
11819 | default: |
11820 | ErrorInfo.Error = ErrorTy::InvalidBinaryOp; |
11821 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11822 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11823 | return false; |
11824 | } |
11825 | |
11826 | if (S->getElse()) { |
11827 | ErrorInfo.Error = ErrorTy::UnexpectedElse; |
11828 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getElse()->getBeginLoc(); |
11829 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getElse()->getSourceRange(); |
11830 | return false; |
11831 | } |
11832 | |
11833 | return true; |
11834 | } |
11835 | |
11836 | bool OpenMPAtomicCompareChecker::checkCondExprStmt(Stmt *S, |
11837 | ErrorInfoTy &ErrorInfo) { |
11838 | auto *BO = dyn_cast<BinaryOperator>(S); |
11839 | if (!BO) { |
11840 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11841 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getBeginLoc(); |
11842 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
11843 | return false; |
11844 | } |
11845 | if (BO->getOpcode() != BO_Assign) { |
11846 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
11847 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
11848 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
11849 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
11850 | return false; |
11851 | } |
11852 | |
11853 | X = BO->getLHS(); |
11854 | |
11855 | auto *CO = dyn_cast<ConditionalOperator>(BO->getRHS()->IgnoreParenImpCasts()); |
11856 | if (!CO) { |
11857 | ErrorInfo.Error = ErrorTy::NotCondOp; |
11858 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = BO->getRHS()->getExprLoc(); |
11859 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getRHS()->getSourceRange(); |
11860 | return false; |
11861 | } |
11862 | |
11863 | if (!checkIfTwoExprsAreSame(ContextRef, X, CO->getFalseExpr())) { |
11864 | ErrorInfo.Error = ErrorTy::WrongFalseExpr; |
11865 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CO->getFalseExpr()->getExprLoc(); |
11866 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
11867 | CO->getFalseExpr()->getSourceRange(); |
11868 | return false; |
11869 | } |
11870 | |
11871 | auto *Cond = dyn_cast<BinaryOperator>(CO->getCond()); |
11872 | if (!Cond) { |
11873 | ErrorInfo.Error = ErrorTy::NotABinaryOp; |
11874 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CO->getCond()->getExprLoc(); |
11875 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
11876 | CO->getCond()->getSourceRange(); |
11877 | return false; |
11878 | } |
11879 | |
11880 | switch (Cond->getOpcode()) { |
11881 | case BO_EQ: { |
11882 | C = Cond; |
11883 | D = CO->getTrueExpr(); |
11884 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS())) { |
11885 | E = Cond->getRHS(); |
11886 | } else if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11887 | E = Cond->getLHS(); |
11888 | } else { |
11889 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11890 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11891 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11892 | return false; |
11893 | } |
11894 | break; |
11895 | } |
11896 | case BO_LT: |
11897 | case BO_GT: { |
11898 | E = CO->getTrueExpr(); |
11899 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS()) && |
11900 | checkIfTwoExprsAreSame(ContextRef, E, Cond->getRHS())) { |
11901 | C = Cond; |
11902 | } else if (checkIfTwoExprsAreSame(ContextRef, E, Cond->getLHS()) && |
11903 | checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
11904 | C = Cond; |
11905 | IsXBinopExpr = false; |
11906 | } else { |
11907 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
11908 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11909 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11910 | return false; |
11911 | } |
11912 | break; |
11913 | } |
11914 | default: |
11915 | ErrorInfo.Error = ErrorTy::InvalidBinaryOp; |
11916 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
11917 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
11918 | return false; |
11919 | } |
11920 | |
11921 | return true; |
11922 | } |
11923 | |
11924 | bool OpenMPAtomicCompareChecker::checkType(ErrorInfoTy &ErrorInfo) const { |
11925 | // 'x' and 'e' cannot be nullptr |
11926 | 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", 11926, __extension__ __PRETTY_FUNCTION__ )); |
11927 | |
11928 | if (!CheckValue(X, ErrorInfo, true)) |
11929 | return false; |
11930 | |
11931 | if (!CheckValue(E, ErrorInfo, false)) |
11932 | return false; |
11933 | |
11934 | if (D && !CheckValue(D, ErrorInfo, false)) |
11935 | return false; |
11936 | |
11937 | return true; |
11938 | } |
11939 | |
11940 | bool OpenMPAtomicCompareChecker::checkStmt( |
11941 | Stmt *S, OpenMPAtomicCompareChecker::ErrorInfoTy &ErrorInfo) { |
11942 | auto *CS = dyn_cast<CompoundStmt>(S); |
11943 | if (CS) { |
11944 | if (CS->body_empty()) { |
11945 | ErrorInfo.Error = ErrorTy::NoStmt; |
11946 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11947 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11948 | return false; |
11949 | } |
11950 | |
11951 | if (CS->size() != 1) { |
11952 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
11953 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
11954 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
11955 | return false; |
11956 | } |
11957 | S = CS->body_front(); |
11958 | } |
11959 | |
11960 | auto Res = false; |
11961 | |
11962 | if (auto *IS = dyn_cast<IfStmt>(S)) { |
11963 | // Check if the statement is in one of the following forms |
11964 | // (cond-update-stmt): |
11965 | // if (expr ordop x) { x = expr; } |
11966 | // if (x ordop expr) { x = expr; } |
11967 | // if (x == e) { x = d; } |
11968 | Res = checkCondUpdateStmt(IS, ErrorInfo); |
11969 | } else { |
11970 | // Check if the statement is in one of the following forms (cond-expr-stmt): |
11971 | // x = expr ordop x ? expr : x; |
11972 | // x = x ordop expr ? expr : x; |
11973 | // x = x == e ? d : x; |
11974 | Res = checkCondExprStmt(S, ErrorInfo); |
11975 | } |
11976 | |
11977 | if (!Res) |
11978 | return false; |
11979 | |
11980 | return checkType(ErrorInfo); |
11981 | } |
11982 | |
11983 | class OpenMPAtomicCompareCaptureChecker final |
11984 | : public OpenMPAtomicCompareChecker { |
11985 | public: |
11986 | OpenMPAtomicCompareCaptureChecker(Sema &S) : OpenMPAtomicCompareChecker(S) {} |
11987 | |
11988 | Expr *getV() const { return V; } |
11989 | Expr *getR() const { return R; } |
11990 | bool isFailOnly() const { return IsFailOnly; } |
11991 | bool isPostfixUpdate() const { return IsPostfixUpdate; } |
11992 | |
11993 | /// Check if statement \a S is valid for <tt>atomic compare capture</tt>. |
11994 | bool checkStmt(Stmt *S, ErrorInfoTy &ErrorInfo); |
11995 | |
11996 | private: |
11997 | bool checkType(ErrorInfoTy &ErrorInfo); |
11998 | |
11999 | // NOTE: Form 3, 4, 5 in the following comments mean the 3rd, 4th, and 5th |
12000 | // form of 'conditional-update-capture-atomic' structured block on the v5.2 |
12001 | // spec p.p. 82: |
12002 | // (1) { v = x; cond-update-stmt } |
12003 | // (2) { cond-update-stmt v = x; } |
12004 | // (3) if(x == e) { x = d; } else { v = x; } |
12005 | // (4) { r = x == e; if(r) { x = d; } } |
12006 | // (5) { r = x == e; if(r) { x = d; } else { v = x; } } |
12007 | |
12008 | /// Check if it is valid 'if(x == e) { x = d; } else { v = x; }' (form 3) |
12009 | bool checkForm3(IfStmt *S, ErrorInfoTy &ErrorInfo); |
12010 | |
12011 | /// Check if it is valid '{ r = x == e; if(r) { x = d; } }', |
12012 | /// or '{ r = x == e; if(r) { x = d; } else { v = x; } }' (form 4 and 5) |
12013 | bool checkForm45(Stmt *S, ErrorInfoTy &ErrorInfo); |
12014 | |
12015 | /// 'v' lvalue part of the source atomic expression. |
12016 | Expr *V = nullptr; |
12017 | /// 'r' lvalue part of the source atomic expression. |
12018 | Expr *R = nullptr; |
12019 | /// If 'v' is only updated when the comparison fails. |
12020 | bool IsFailOnly = false; |
12021 | /// If original value of 'x' must be stored in 'v', not an updated one. |
12022 | bool IsPostfixUpdate = false; |
12023 | }; |
12024 | |
12025 | bool OpenMPAtomicCompareCaptureChecker::checkType(ErrorInfoTy &ErrorInfo) { |
12026 | if (!OpenMPAtomicCompareChecker::checkType(ErrorInfo)) |
12027 | return false; |
12028 | |
12029 | if (V && !CheckValue(V, ErrorInfo, true)) |
12030 | return false; |
12031 | |
12032 | if (R && !CheckValue(R, ErrorInfo, true, true)) |
12033 | return false; |
12034 | |
12035 | return true; |
12036 | } |
12037 | |
12038 | bool OpenMPAtomicCompareCaptureChecker::checkForm3(IfStmt *S, |
12039 | ErrorInfoTy &ErrorInfo) { |
12040 | IsFailOnly = true; |
12041 | |
12042 | auto *Then = S->getThen(); |
12043 | if (auto *CS = dyn_cast<CompoundStmt>(Then)) { |
12044 | if (CS->body_empty()) { |
12045 | ErrorInfo.Error = ErrorTy::NoStmt; |
12046 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
12047 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
12048 | return false; |
12049 | } |
12050 | if (CS->size() > 1) { |
12051 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
12052 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
12053 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
12054 | return false; |
12055 | } |
12056 | Then = CS->body_front(); |
12057 | } |
12058 | |
12059 | auto *BO = dyn_cast<BinaryOperator>(Then); |
12060 | if (!BO) { |
12061 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12062 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Then->getBeginLoc(); |
12063 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Then->getSourceRange(); |
12064 | return false; |
12065 | } |
12066 | if (BO->getOpcode() != BO_Assign) { |
12067 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12068 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
12069 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
12070 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
12071 | return false; |
12072 | } |
12073 | |
12074 | X = BO->getLHS(); |
12075 | D = BO->getRHS(); |
12076 | |
12077 | auto *Cond = dyn_cast<BinaryOperator>(S->getCond()); |
12078 | if (!Cond) { |
12079 | ErrorInfo.Error = ErrorTy::NotABinaryOp; |
12080 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getCond()->getExprLoc(); |
12081 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getCond()->getSourceRange(); |
12082 | return false; |
12083 | } |
12084 | if (Cond->getOpcode() != BO_EQ) { |
12085 | ErrorInfo.Error = ErrorTy::NotEQ; |
12086 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
12087 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
12088 | return false; |
12089 | } |
12090 | |
12091 | if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getLHS())) { |
12092 | E = Cond->getRHS(); |
12093 | } else if (checkIfTwoExprsAreSame(ContextRef, X, Cond->getRHS())) { |
12094 | E = Cond->getLHS(); |
12095 | } else { |
12096 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
12097 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Cond->getExprLoc(); |
12098 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Cond->getSourceRange(); |
12099 | return false; |
12100 | } |
12101 | |
12102 | C = Cond; |
12103 | |
12104 | if (!S->getElse()) { |
12105 | ErrorInfo.Error = ErrorTy::NoElse; |
12106 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getBeginLoc(); |
12107 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
12108 | return false; |
12109 | } |
12110 | |
12111 | auto *Else = S->getElse(); |
12112 | if (auto *CS = dyn_cast<CompoundStmt>(Else)) { |
12113 | if (CS->body_empty()) { |
12114 | ErrorInfo.Error = ErrorTy::NoStmt; |
12115 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
12116 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
12117 | return false; |
12118 | } |
12119 | if (CS->size() > 1) { |
12120 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
12121 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
12122 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
12123 | return false; |
12124 | } |
12125 | Else = CS->body_front(); |
12126 | } |
12127 | |
12128 | auto *ElseBO = dyn_cast<BinaryOperator>(Else); |
12129 | if (!ElseBO) { |
12130 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12131 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Else->getBeginLoc(); |
12132 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Else->getSourceRange(); |
12133 | return false; |
12134 | } |
12135 | if (ElseBO->getOpcode() != BO_Assign) { |
12136 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12137 | ErrorInfo.ErrorLoc = ElseBO->getExprLoc(); |
12138 | ErrorInfo.NoteLoc = ElseBO->getOperatorLoc(); |
12139 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseBO->getSourceRange(); |
12140 | return false; |
12141 | } |
12142 | |
12143 | if (!checkIfTwoExprsAreSame(ContextRef, X, ElseBO->getRHS())) { |
12144 | ErrorInfo.Error = ErrorTy::InvalidAssignment; |
12145 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ElseBO->getRHS()->getExprLoc(); |
12146 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
12147 | ElseBO->getRHS()->getSourceRange(); |
12148 | return false; |
12149 | } |
12150 | |
12151 | V = ElseBO->getLHS(); |
12152 | |
12153 | return checkType(ErrorInfo); |
12154 | } |
12155 | |
12156 | bool OpenMPAtomicCompareCaptureChecker::checkForm45(Stmt *S, |
12157 | ErrorInfoTy &ErrorInfo) { |
12158 | // We don't check here as they should be already done before call this |
12159 | // function. |
12160 | auto *CS = cast<CompoundStmt>(S); |
12161 | 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", 12161, __extension__ __PRETTY_FUNCTION__ )); |
12162 | auto *S1 = cast<BinaryOperator>(CS->body_front()); |
12163 | auto *S2 = cast<IfStmt>(CS->body_back()); |
12164 | 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", 12164, __extension__ __PRETTY_FUNCTION__ )); |
12165 | |
12166 | if (!checkIfTwoExprsAreSame(ContextRef, S1->getLHS(), S2->getCond())) { |
12167 | ErrorInfo.Error = ErrorTy::InvalidCondition; |
12168 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S2->getCond()->getExprLoc(); |
12169 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S1->getLHS()->getSourceRange(); |
12170 | return false; |
12171 | } |
12172 | |
12173 | R = S1->getLHS(); |
12174 | |
12175 | auto *Then = S2->getThen(); |
12176 | if (auto *ThenCS = dyn_cast<CompoundStmt>(Then)) { |
12177 | if (ThenCS->body_empty()) { |
12178 | ErrorInfo.Error = ErrorTy::NoStmt; |
12179 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ThenCS->getBeginLoc(); |
12180 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ThenCS->getSourceRange(); |
12181 | return false; |
12182 | } |
12183 | if (ThenCS->size() > 1) { |
12184 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
12185 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ThenCS->getBeginLoc(); |
12186 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ThenCS->getSourceRange(); |
12187 | return false; |
12188 | } |
12189 | Then = ThenCS->body_front(); |
12190 | } |
12191 | |
12192 | auto *ThenBO = dyn_cast<BinaryOperator>(Then); |
12193 | if (!ThenBO) { |
12194 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12195 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S2->getBeginLoc(); |
12196 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S2->getSourceRange(); |
12197 | return false; |
12198 | } |
12199 | if (ThenBO->getOpcode() != BO_Assign) { |
12200 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12201 | ErrorInfo.ErrorLoc = ThenBO->getExprLoc(); |
12202 | ErrorInfo.NoteLoc = ThenBO->getOperatorLoc(); |
12203 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ThenBO->getSourceRange(); |
12204 | return false; |
12205 | } |
12206 | |
12207 | X = ThenBO->getLHS(); |
12208 | D = ThenBO->getRHS(); |
12209 | |
12210 | auto *BO = cast<BinaryOperator>(S1->getRHS()->IgnoreImpCasts()); |
12211 | if (BO->getOpcode() != BO_EQ) { |
12212 | ErrorInfo.Error = ErrorTy::NotEQ; |
12213 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
12214 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
12215 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
12216 | return false; |
12217 | } |
12218 | |
12219 | C = BO; |
12220 | |
12221 | if (checkIfTwoExprsAreSame(ContextRef, X, BO->getLHS())) { |
12222 | E = BO->getRHS(); |
12223 | } else if (checkIfTwoExprsAreSame(ContextRef, X, BO->getRHS())) { |
12224 | E = BO->getLHS(); |
12225 | } else { |
12226 | ErrorInfo.Error = ErrorTy::InvalidComparison; |
12227 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = BO->getExprLoc(); |
12228 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
12229 | return false; |
12230 | } |
12231 | |
12232 | if (S2->getElse()) { |
12233 | IsFailOnly = true; |
12234 | |
12235 | auto *Else = S2->getElse(); |
12236 | if (auto *ElseCS = dyn_cast<CompoundStmt>(Else)) { |
12237 | if (ElseCS->body_empty()) { |
12238 | ErrorInfo.Error = ErrorTy::NoStmt; |
12239 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ElseCS->getBeginLoc(); |
12240 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseCS->getSourceRange(); |
12241 | return false; |
12242 | } |
12243 | if (ElseCS->size() > 1) { |
12244 | ErrorInfo.Error = ErrorTy::MoreThanOneStmt; |
12245 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = ElseCS->getBeginLoc(); |
12246 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseCS->getSourceRange(); |
12247 | return false; |
12248 | } |
12249 | Else = ElseCS->body_front(); |
12250 | } |
12251 | |
12252 | auto *ElseBO = dyn_cast<BinaryOperator>(Else); |
12253 | if (!ElseBO) { |
12254 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12255 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = Else->getBeginLoc(); |
12256 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = Else->getSourceRange(); |
12257 | return false; |
12258 | } |
12259 | if (ElseBO->getOpcode() != BO_Assign) { |
12260 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12261 | ErrorInfo.ErrorLoc = ElseBO->getExprLoc(); |
12262 | ErrorInfo.NoteLoc = ElseBO->getOperatorLoc(); |
12263 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = ElseBO->getSourceRange(); |
12264 | return false; |
12265 | } |
12266 | if (!checkIfTwoExprsAreSame(ContextRef, X, ElseBO->getRHS())) { |
12267 | ErrorInfo.Error = ErrorTy::InvalidAssignment; |
12268 | ErrorInfo.ErrorLoc = ElseBO->getRHS()->getExprLoc(); |
12269 | ErrorInfo.NoteLoc = X->getExprLoc(); |
12270 | ErrorInfo.ErrorRange = ElseBO->getRHS()->getSourceRange(); |
12271 | ErrorInfo.NoteRange = X->getSourceRange(); |
12272 | return false; |
12273 | } |
12274 | |
12275 | V = ElseBO->getLHS(); |
12276 | } |
12277 | |
12278 | return checkType(ErrorInfo); |
12279 | } |
12280 | |
12281 | bool OpenMPAtomicCompareCaptureChecker::checkStmt(Stmt *S, |
12282 | ErrorInfoTy &ErrorInfo) { |
12283 | // if(x == e) { x = d; } else { v = x; } |
12284 | if (auto *IS = dyn_cast<IfStmt>(S)) |
12285 | return checkForm3(IS, ErrorInfo); |
12286 | |
12287 | auto *CS = dyn_cast<CompoundStmt>(S); |
12288 | if (!CS) { |
12289 | ErrorInfo.Error = ErrorTy::NotCompoundStmt; |
12290 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = S->getBeginLoc(); |
12291 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = S->getSourceRange(); |
12292 | return false; |
12293 | } |
12294 | if (CS->body_empty()) { |
12295 | ErrorInfo.Error = ErrorTy::NoStmt; |
12296 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
12297 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
12298 | return false; |
12299 | } |
12300 | |
12301 | // { if(x == e) { x = d; } else { v = x; } } |
12302 | if (CS->size() == 1) { |
12303 | auto *IS = dyn_cast<IfStmt>(CS->body_front()); |
12304 | if (!IS) { |
12305 | ErrorInfo.Error = ErrorTy::NotIfStmt; |
12306 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->body_front()->getBeginLoc(); |
12307 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = |
12308 | CS->body_front()->getSourceRange(); |
12309 | return false; |
12310 | } |
12311 | |
12312 | return checkForm3(IS, ErrorInfo); |
12313 | } else if (CS->size() == 2) { |
12314 | auto *S1 = CS->body_front(); |
12315 | auto *S2 = CS->body_back(); |
12316 | |
12317 | Stmt *UpdateStmt = nullptr; |
12318 | Stmt *CondUpdateStmt = nullptr; |
12319 | Stmt *CondExprStmt = nullptr; |
12320 | |
12321 | if (auto *BO = dyn_cast<BinaryOperator>(S1)) { |
12322 | // It could be one of the following cases: |
12323 | // { v = x; cond-update-stmt } |
12324 | // { v = x; cond-expr-stmt } |
12325 | // { cond-expr-stmt; v = x; } |
12326 | // form 45 |
12327 | if (isa<BinaryOperator>(BO->getRHS()->IgnoreImpCasts()) || |
12328 | isa<ConditionalOperator>(BO->getRHS()->IgnoreImpCasts())) { |
12329 | // check if form 45 |
12330 | if (isa<IfStmt>(S2)) |
12331 | return checkForm45(CS, ErrorInfo); |
12332 | // { cond-expr-stmt; v = x; } |
12333 | CondExprStmt = S1; |
12334 | UpdateStmt = S2; |
12335 | } else { |
12336 | IsPostfixUpdate = true; |
12337 | UpdateStmt = S1; |
12338 | if (isa<IfStmt>(S2)) { |
12339 | // { v = x; cond-update-stmt } |
12340 | CondUpdateStmt = S2; |
12341 | } else { |
12342 | // { v = x; cond-expr-stmt } |
12343 | CondExprStmt = S2; |
12344 | } |
12345 | } |
12346 | } else { |
12347 | // { cond-update-stmt v = x; } |
12348 | UpdateStmt = S2; |
12349 | CondUpdateStmt = S1; |
12350 | } |
12351 | |
12352 | auto CheckCondUpdateStmt = [this, &ErrorInfo](Stmt *CUS) { |
12353 | auto *IS = dyn_cast<IfStmt>(CUS); |
12354 | if (!IS) { |
12355 | ErrorInfo.Error = ErrorTy::NotIfStmt; |
12356 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CUS->getBeginLoc(); |
12357 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CUS->getSourceRange(); |
12358 | return false; |
12359 | } |
12360 | |
12361 | return checkCondUpdateStmt(IS, ErrorInfo); |
12362 | }; |
12363 | |
12364 | // CheckUpdateStmt has to be called *after* CheckCondUpdateStmt. |
12365 | auto CheckUpdateStmt = [this, &ErrorInfo](Stmt *US) { |
12366 | auto *BO = dyn_cast<BinaryOperator>(US); |
12367 | if (!BO) { |
12368 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12369 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = US->getBeginLoc(); |
12370 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = US->getSourceRange(); |
12371 | return false; |
12372 | } |
12373 | if (BO->getOpcode() != BO_Assign) { |
12374 | ErrorInfo.Error = ErrorTy::NotAnAssignment; |
12375 | ErrorInfo.ErrorLoc = BO->getExprLoc(); |
12376 | ErrorInfo.NoteLoc = BO->getOperatorLoc(); |
12377 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = BO->getSourceRange(); |
12378 | return false; |
12379 | } |
12380 | if (!checkIfTwoExprsAreSame(ContextRef, this->X, BO->getRHS())) { |
12381 | ErrorInfo.Error = ErrorTy::InvalidAssignment; |
12382 | ErrorInfo.ErrorLoc = BO->getRHS()->getExprLoc(); |
12383 | ErrorInfo.NoteLoc = this->X->getExprLoc(); |
12384 | ErrorInfo.ErrorRange = BO->getRHS()->getSourceRange(); |
12385 | ErrorInfo.NoteRange = this->X->getSourceRange(); |
12386 | return false; |
12387 | } |
12388 | |
12389 | this->V = BO->getLHS(); |
12390 | |
12391 | return true; |
12392 | }; |
12393 | |
12394 | if (CondUpdateStmt && !CheckCondUpdateStmt(CondUpdateStmt)) |
12395 | return false; |
12396 | if (CondExprStmt && !checkCondExprStmt(CondExprStmt, ErrorInfo)) |
12397 | return false; |
12398 | if (!CheckUpdateStmt(UpdateStmt)) |
12399 | return false; |
12400 | } else { |
12401 | ErrorInfo.Error = ErrorTy::MoreThanTwoStmts; |
12402 | ErrorInfo.ErrorLoc = ErrorInfo.NoteLoc = CS->getBeginLoc(); |
12403 | ErrorInfo.ErrorRange = ErrorInfo.NoteRange = CS->getSourceRange(); |
12404 | return false; |
12405 | } |
12406 | |
12407 | return checkType(ErrorInfo); |
12408 | } |
12409 | } // namespace |
12410 | |
12411 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, |
12412 | Stmt *AStmt, |
12413 | SourceLocation StartLoc, |
12414 | SourceLocation EndLoc) { |
12415 | // Register location of the first atomic directive. |
12416 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addAtomicDirectiveLoc(StartLoc); |
12417 | if (!AStmt) |
12418 | return StmtError(); |
12419 | |
12420 | // 1.2.2 OpenMP Language Terminology |
12421 | // Structured block - An executable statement with a single entry at the |
12422 | // top and a single exit at the bottom. |
12423 | // The point of exit cannot be a branch out of the structured block. |
12424 | // longjmp() and throw() must not violate the entry/exit criteria. |
12425 | OpenMPClauseKind AtomicKind = OMPC_unknown; |
12426 | SourceLocation AtomicKindLoc; |
12427 | OpenMPClauseKind MemOrderKind = OMPC_unknown; |
12428 | SourceLocation MemOrderLoc; |
12429 | bool MutexClauseEncountered = false; |
12430 | llvm::SmallSet<OpenMPClauseKind, 2> EncounteredAtomicKinds; |
12431 | for (const OMPClause *C : Clauses) { |
12432 | switch (C->getClauseKind()) { |
12433 | case OMPC_read: |
12434 | case OMPC_write: |
12435 | case OMPC_update: |
12436 | MutexClauseEncountered = true; |
12437 | [[fallthrough]]; |
12438 | case OMPC_capture: |
12439 | case OMPC_compare: { |
12440 | if (AtomicKind != OMPC_unknown && MutexClauseEncountered) { |
12441 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) |
12442 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
12443 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) |
12444 | << getOpenMPClauseName(AtomicKind); |
12445 | } else { |
12446 | AtomicKind = C->getClauseKind(); |
12447 | AtomicKindLoc = C->getBeginLoc(); |
12448 | if (!EncounteredAtomicKinds.insert(C->getClauseKind()).second) { |
12449 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) |
12450 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
12451 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) |
12452 | << getOpenMPClauseName(AtomicKind); |
12453 | } |
12454 | } |
12455 | break; |
12456 | } |
12457 | case OMPC_seq_cst: |
12458 | case OMPC_acq_rel: |
12459 | case OMPC_acquire: |
12460 | case OMPC_release: |
12461 | case OMPC_relaxed: { |
12462 | if (MemOrderKind != OMPC_unknown) { |
12463 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) |
12464 | << getOpenMPDirectiveName(OMPD_atomic) << 0 |
12465 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
12466 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
12467 | << getOpenMPClauseName(MemOrderKind); |
12468 | } else { |
12469 | MemOrderKind = C->getClauseKind(); |
12470 | MemOrderLoc = C->getBeginLoc(); |
12471 | } |
12472 | break; |
12473 | } |
12474 | // The following clauses are allowed, but we don't need to do anything here. |
12475 | case OMPC_hint: |
12476 | break; |
12477 | default: |
12478 | llvm_unreachable("unknown clause is encountered")::llvm::llvm_unreachable_internal("unknown clause is encountered" , "clang/lib/Sema/SemaOpenMP.cpp", 12478); |
12479 | } |
12480 | } |
12481 | bool IsCompareCapture = false; |
12482 | if (EncounteredAtomicKinds.contains(OMPC_compare) && |
12483 | EncounteredAtomicKinds.contains(OMPC_capture)) { |
12484 | IsCompareCapture = true; |
12485 | AtomicKind = OMPC_compare; |
12486 | } |
12487 | // OpenMP 5.0, 2.17.7 atomic Construct, Restrictions |
12488 | // If atomic-clause is read then memory-order-clause must not be acq_rel or |
12489 | // release. |
12490 | // If atomic-clause is write then memory-order-clause must not be acq_rel or |
12491 | // acquire. |
12492 | // If atomic-clause is update or not present then memory-order-clause must not |
12493 | // be acq_rel or acquire. |
12494 | if ((AtomicKind == OMPC_read && |
12495 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_release)) || |
12496 | ((AtomicKind == OMPC_write || AtomicKind == OMPC_update || |
12497 | AtomicKind == OMPC_unknown) && |
12498 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_acquire))) { |
12499 | SourceLocation Loc = AtomicKindLoc; |
12500 | if (AtomicKind == OMPC_unknown) |
12501 | Loc = StartLoc; |
12502 | Diag(Loc, diag::err_omp_atomic_incompatible_mem_order_clause) |
12503 | << getOpenMPClauseName(AtomicKind) |
12504 | << (AtomicKind == OMPC_unknown ? 1 : 0) |
12505 | << getOpenMPClauseName(MemOrderKind); |
12506 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
12507 | << getOpenMPClauseName(MemOrderKind); |
12508 | } |
12509 | |
12510 | Stmt *Body = AStmt; |
12511 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) |
12512 | Body = EWC->getSubExpr(); |
12513 | |
12514 | Expr *X = nullptr; |
12515 | Expr *V = nullptr; |
12516 | Expr *E = nullptr; |
12517 | Expr *UE = nullptr; |
12518 | Expr *D = nullptr; |
12519 | Expr *CE = nullptr; |
12520 | Expr *R = nullptr; |
12521 | bool IsXLHSInRHSPart = false; |
12522 | bool IsPostfixUpdate = false; |
12523 | bool IsFailOnly = false; |
12524 | // OpenMP [2.12.6, atomic Construct] |
12525 | // In the next expressions: |
12526 | // * x and v (as applicable) are both l-value expressions with scalar type. |
12527 | // * During the execution of an atomic region, multiple syntactic |
12528 | // occurrences of x must designate the same storage location. |
12529 | // * Neither of v and expr (as applicable) may access the storage location |
12530 | // designated by x. |
12531 | // * Neither of x and expr (as applicable) may access the storage location |
12532 | // designated by v. |
12533 | // * expr is an expression with scalar type. |
12534 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. |
12535 | // * binop, binop=, ++, and -- are not overloaded operators. |
12536 | // * The expression x binop expr must be numerically equivalent to x binop |
12537 | // (expr). This requirement is satisfied if the operators in expr have |
12538 | // precedence greater than binop, or by using parentheses around expr or |
12539 | // subexpressions of expr. |
12540 | // * The expression expr binop x must be numerically equivalent to (expr) |
12541 | // binop x. This requirement is satisfied if the operators in expr have |
12542 | // precedence equal to or greater than binop, or by using parentheses around |
12543 | // expr or subexpressions of expr. |
12544 | // * For forms that allow multiple occurrences of x, the number of times |
12545 | // that x is evaluated is unspecified. |
12546 | if (AtomicKind == OMPC_read) { |
12547 | enum { |
12548 | NotAnExpression, |
12549 | NotAnAssignmentOp, |
12550 | NotAScalarType, |
12551 | NotAnLValue, |
12552 | NoError |
12553 | } ErrorFound = NoError; |
12554 | SourceLocation ErrorLoc, NoteLoc; |
12555 | SourceRange ErrorRange, NoteRange; |
12556 | // If clause is read: |
12557 | // v = x; |
12558 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
12559 | const auto *AtomicBinOp = |
12560 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
12561 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
12562 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); |
12563 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); |
12564 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && |
12565 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { |
12566 | if (!X->isLValue() || !V->isLValue()) { |
12567 | const Expr *NotLValueExpr = X->isLValue() ? V : X; |
12568 | ErrorFound = NotAnLValue; |
12569 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12570 | ErrorRange = AtomicBinOp->getSourceRange(); |
12571 | NoteLoc = NotLValueExpr->getExprLoc(); |
12572 | NoteRange = NotLValueExpr->getSourceRange(); |
12573 | } |
12574 | } else if (!X->isInstantiationDependent() || |
12575 | !V->isInstantiationDependent()) { |
12576 | const Expr *NotScalarExpr = |
12577 | (X->isInstantiationDependent() || X->getType()->isScalarType()) |
12578 | ? V |
12579 | : X; |
12580 | ErrorFound = NotAScalarType; |
12581 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12582 | ErrorRange = AtomicBinOp->getSourceRange(); |
12583 | NoteLoc = NotScalarExpr->getExprLoc(); |
12584 | NoteRange = NotScalarExpr->getSourceRange(); |
12585 | } |
12586 | } else if (!AtomicBody->isInstantiationDependent()) { |
12587 | ErrorFound = NotAnAssignmentOp; |
12588 | ErrorLoc = AtomicBody->getExprLoc(); |
12589 | ErrorRange = AtomicBody->getSourceRange(); |
12590 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
12591 | : AtomicBody->getExprLoc(); |
12592 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
12593 | : AtomicBody->getSourceRange(); |
12594 | } |
12595 | } else { |
12596 | ErrorFound = NotAnExpression; |
12597 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12598 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
12599 | } |
12600 | if (ErrorFound != NoError) { |
12601 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) |
12602 | << ErrorRange; |
12603 | Diag(NoteLoc, diag::note_omp_atomic_read_write) |
12604 | << ErrorFound << NoteRange; |
12605 | return StmtError(); |
12606 | } |
12607 | if (CurContext->isDependentContext()) |
12608 | V = X = nullptr; |
12609 | } else if (AtomicKind == OMPC_write) { |
12610 | enum { |
12611 | NotAnExpression, |
12612 | NotAnAssignmentOp, |
12613 | NotAScalarType, |
12614 | NotAnLValue, |
12615 | NoError |
12616 | } ErrorFound = NoError; |
12617 | SourceLocation ErrorLoc, NoteLoc; |
12618 | SourceRange ErrorRange, NoteRange; |
12619 | // If clause is write: |
12620 | // x = expr; |
12621 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
12622 | const auto *AtomicBinOp = |
12623 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
12624 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
12625 | X = AtomicBinOp->getLHS(); |
12626 | E = AtomicBinOp->getRHS(); |
12627 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && |
12628 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { |
12629 | if (!X->isLValue()) { |
12630 | ErrorFound = NotAnLValue; |
12631 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12632 | ErrorRange = AtomicBinOp->getSourceRange(); |
12633 | NoteLoc = X->getExprLoc(); |
12634 | NoteRange = X->getSourceRange(); |
12635 | } |
12636 | } else if (!X->isInstantiationDependent() || |
12637 | !E->isInstantiationDependent()) { |
12638 | const Expr *NotScalarExpr = |
12639 | (X->isInstantiationDependent() || X->getType()->isScalarType()) |
12640 | ? E |
12641 | : X; |
12642 | ErrorFound = NotAScalarType; |
12643 | ErrorLoc = AtomicBinOp->getExprLoc(); |
12644 | ErrorRange = AtomicBinOp->getSourceRange(); |
12645 | NoteLoc = NotScalarExpr->getExprLoc(); |
12646 | NoteRange = NotScalarExpr->getSourceRange(); |
12647 | } |
12648 | } else if (!AtomicBody->isInstantiationDependent()) { |
12649 | ErrorFound = NotAnAssignmentOp; |
12650 | ErrorLoc = AtomicBody->getExprLoc(); |
12651 | ErrorRange = AtomicBody->getSourceRange(); |
12652 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
12653 | : AtomicBody->getExprLoc(); |
12654 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
12655 | : AtomicBody->getSourceRange(); |
12656 | } |
12657 | } else { |
12658 | ErrorFound = NotAnExpression; |
12659 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12660 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
12661 | } |
12662 | if (ErrorFound != NoError) { |
12663 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) |
12664 | << ErrorRange; |
12665 | Diag(NoteLoc, diag::note_omp_atomic_read_write) |
12666 | << ErrorFound << NoteRange; |
12667 | return StmtError(); |
12668 | } |
12669 | if (CurContext->isDependentContext()) |
12670 | E = X = nullptr; |
12671 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { |
12672 | // If clause is update: |
12673 | // x++; |
12674 | // x--; |
12675 | // ++x; |
12676 | // --x; |
12677 | // x binop= expr; |
12678 | // x = x binop expr; |
12679 | // x = expr binop x; |
12680 | OpenMPAtomicUpdateChecker Checker(*this); |
12681 | if (Checker.checkStatement( |
12682 | Body, |
12683 | (AtomicKind == OMPC_update) |
12684 | ? diag::err_omp_atomic_update_not_expression_statement |
12685 | : diag::err_omp_atomic_not_expression_statement, |
12686 | diag::note_omp_atomic_update)) |
12687 | return StmtError(); |
12688 | if (!CurContext->isDependentContext()) { |
12689 | E = Checker.getExpr(); |
12690 | X = Checker.getX(); |
12691 | UE = Checker.getUpdateExpr(); |
12692 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12693 | } |
12694 | } else if (AtomicKind == OMPC_capture) { |
12695 | enum { |
12696 | NotAnAssignmentOp, |
12697 | NotACompoundStatement, |
12698 | NotTwoSubstatements, |
12699 | NotASpecificExpression, |
12700 | NoError |
12701 | } ErrorFound = NoError; |
12702 | SourceLocation ErrorLoc, NoteLoc; |
12703 | SourceRange ErrorRange, NoteRange; |
12704 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
12705 | // If clause is a capture: |
12706 | // v = x++; |
12707 | // v = x--; |
12708 | // v = ++x; |
12709 | // v = --x; |
12710 | // v = x binop= expr; |
12711 | // v = x = x binop expr; |
12712 | // v = x = expr binop x; |
12713 | const auto *AtomicBinOp = |
12714 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
12715 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
12716 | V = AtomicBinOp->getLHS(); |
12717 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); |
12718 | OpenMPAtomicUpdateChecker Checker(*this); |
12719 | if (Checker.checkStatement( |
12720 | Body, diag::err_omp_atomic_capture_not_expression_statement, |
12721 | diag::note_omp_atomic_update)) |
12722 | return StmtError(); |
12723 | E = Checker.getExpr(); |
12724 | X = Checker.getX(); |
12725 | UE = Checker.getUpdateExpr(); |
12726 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12727 | IsPostfixUpdate = Checker.isPostfixUpdate(); |
12728 | } else if (!AtomicBody->isInstantiationDependent()) { |
12729 | ErrorLoc = AtomicBody->getExprLoc(); |
12730 | ErrorRange = AtomicBody->getSourceRange(); |
12731 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
12732 | : AtomicBody->getExprLoc(); |
12733 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
12734 | : AtomicBody->getSourceRange(); |
12735 | ErrorFound = NotAnAssignmentOp; |
12736 | } |
12737 | if (ErrorFound != NoError) { |
12738 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) |
12739 | << ErrorRange; |
12740 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; |
12741 | return StmtError(); |
12742 | } |
12743 | if (CurContext->isDependentContext()) |
12744 | UE = V = E = X = nullptr; |
12745 | } else { |
12746 | // If clause is a capture: |
12747 | // { v = x; x = expr; } |
12748 | // { v = x; x++; } |
12749 | // { v = x; x--; } |
12750 | // { v = x; ++x; } |
12751 | // { v = x; --x; } |
12752 | // { v = x; x binop= expr; } |
12753 | // { v = x; x = x binop expr; } |
12754 | // { v = x; x = expr binop x; } |
12755 | // { x++; v = x; } |
12756 | // { x--; v = x; } |
12757 | // { ++x; v = x; } |
12758 | // { --x; v = x; } |
12759 | // { x binop= expr; v = x; } |
12760 | // { x = x binop expr; v = x; } |
12761 | // { x = expr binop x; v = x; } |
12762 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { |
12763 | // Check that this is { expr1; expr2; } |
12764 | if (CS->size() == 2) { |
12765 | Stmt *First = CS->body_front(); |
12766 | Stmt *Second = CS->body_back(); |
12767 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) |
12768 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); |
12769 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) |
12770 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); |
12771 | // Need to find what subexpression is 'v' and what is 'x'. |
12772 | OpenMPAtomicUpdateChecker Checker(*this); |
12773 | bool IsUpdateExprFound = !Checker.checkStatement(Second); |
12774 | BinaryOperator *BinOp = nullptr; |
12775 | if (IsUpdateExprFound) { |
12776 | BinOp = dyn_cast<BinaryOperator>(First); |
12777 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; |
12778 | } |
12779 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { |
12780 | // { v = x; x++; } |
12781 | // { v = x; x--; } |
12782 | // { v = x; ++x; } |
12783 | // { v = x; --x; } |
12784 | // { v = x; x binop= expr; } |
12785 | // { v = x; x = x binop expr; } |
12786 | // { v = x; x = expr binop x; } |
12787 | // Check that the first expression has form v = x. |
12788 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); |
12789 | llvm::FoldingSetNodeID XId, PossibleXId; |
12790 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); |
12791 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); |
12792 | IsUpdateExprFound = XId == PossibleXId; |
12793 | if (IsUpdateExprFound) { |
12794 | V = BinOp->getLHS(); |
12795 | X = Checker.getX(); |
12796 | E = Checker.getExpr(); |
12797 | UE = Checker.getUpdateExpr(); |
12798 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12799 | IsPostfixUpdate = true; |
12800 | } |
12801 | } |
12802 | if (!IsUpdateExprFound) { |
12803 | IsUpdateExprFound = !Checker.checkStatement(First); |
12804 | BinOp = nullptr; |
12805 | if (IsUpdateExprFound) { |
12806 | BinOp = dyn_cast<BinaryOperator>(Second); |
12807 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; |
12808 | } |
12809 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { |
12810 | // { x++; v = x; } |
12811 | // { x--; v = x; } |
12812 | // { ++x; v = x; } |
12813 | // { --x; v = x; } |
12814 | // { x binop= expr; v = x; } |
12815 | // { x = x binop expr; v = x; } |
12816 | // { x = expr binop x; v = x; } |
12817 | // Check that the second expression has form v = x. |
12818 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); |
12819 | llvm::FoldingSetNodeID XId, PossibleXId; |
12820 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); |
12821 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); |
12822 | IsUpdateExprFound = XId == PossibleXId; |
12823 | if (IsUpdateExprFound) { |
12824 | V = BinOp->getLHS(); |
12825 | X = Checker.getX(); |
12826 | E = Checker.getExpr(); |
12827 | UE = Checker.getUpdateExpr(); |
12828 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
12829 | IsPostfixUpdate = false; |
12830 | } |
12831 | } |
12832 | } |
12833 | if (!IsUpdateExprFound) { |
12834 | // { v = x; x = expr; } |
12835 | auto *FirstExpr = dyn_cast<Expr>(First); |
12836 | auto *SecondExpr = dyn_cast<Expr>(Second); |
12837 | if (!FirstExpr || !SecondExpr || |
12838 | !(FirstExpr->isInstantiationDependent() || |
12839 | SecondExpr->isInstantiationDependent())) { |
12840 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); |
12841 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { |
12842 | ErrorFound = NotAnAssignmentOp; |
12843 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() |
12844 | : First->getBeginLoc(); |
12845 | NoteRange = ErrorRange = FirstBinOp |
12846 | ? FirstBinOp->getSourceRange() |
12847 | : SourceRange(ErrorLoc, ErrorLoc); |
12848 | } else { |
12849 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); |
12850 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { |
12851 | ErrorFound = NotAnAssignmentOp; |
12852 | NoteLoc = ErrorLoc = SecondBinOp |
12853 | ? SecondBinOp->getOperatorLoc() |
12854 | : Second->getBeginLoc(); |
12855 | NoteRange = ErrorRange = |
12856 | SecondBinOp ? SecondBinOp->getSourceRange() |
12857 | : SourceRange(ErrorLoc, ErrorLoc); |
12858 | } else { |
12859 | Expr *PossibleXRHSInFirst = |
12860 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); |
12861 | Expr *PossibleXLHSInSecond = |
12862 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); |
12863 | llvm::FoldingSetNodeID X1Id, X2Id; |
12864 | PossibleXRHSInFirst->Profile(X1Id, Context, |
12865 | /*Canonical=*/true); |
12866 | PossibleXLHSInSecond->Profile(X2Id, Context, |
12867 | /*Canonical=*/true); |
12868 | IsUpdateExprFound = X1Id == X2Id; |
12869 | if (IsUpdateExprFound) { |
12870 | V = FirstBinOp->getLHS(); |
12871 | X = SecondBinOp->getLHS(); |
12872 | E = SecondBinOp->getRHS(); |
12873 | UE = nullptr; |
12874 | IsXLHSInRHSPart = false; |
12875 | IsPostfixUpdate = true; |
12876 | } else { |
12877 | ErrorFound = NotASpecificExpression; |
12878 | ErrorLoc = FirstBinOp->getExprLoc(); |
12879 | ErrorRange = FirstBinOp->getSourceRange(); |
12880 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); |
12881 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); |
12882 | } |
12883 | } |
12884 | } |
12885 | } |
12886 | } |
12887 | } else { |
12888 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12889 | NoteRange = ErrorRange = |
12890 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); |
12891 | ErrorFound = NotTwoSubstatements; |
12892 | } |
12893 | } else { |
12894 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
12895 | NoteRange = ErrorRange = |
12896 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); |
12897 | ErrorFound = NotACompoundStatement; |
12898 | } |
12899 | } |
12900 | if (ErrorFound != NoError) { |
12901 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) |
12902 | << ErrorRange; |
12903 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; |
12904 | return StmtError(); |
12905 | } |
12906 | if (CurContext->isDependentContext()) |
12907 | UE = V = E = X = nullptr; |
12908 | } else if (AtomicKind == OMPC_compare) { |
12909 | if (IsCompareCapture) { |
12910 | OpenMPAtomicCompareCaptureChecker::ErrorInfoTy ErrorInfo; |
12911 | OpenMPAtomicCompareCaptureChecker Checker(*this); |
12912 | if (!Checker.checkStmt(Body, ErrorInfo)) { |
12913 | Diag(ErrorInfo.ErrorLoc, diag::err_omp_atomic_compare_capture) |
12914 | << ErrorInfo.ErrorRange; |
12915 | Diag(ErrorInfo.NoteLoc, diag::note_omp_atomic_compare) |
12916 | << ErrorInfo.Error << ErrorInfo.NoteRange; |
12917 | return StmtError(); |
12918 | } |
12919 | X = Checker.getX(); |
12920 | E = Checker.getE(); |
12921 | D = Checker.getD(); |
12922 | CE = Checker.getCond(); |
12923 | V = Checker.getV(); |
12924 | R = Checker.getR(); |
12925 | // We reuse IsXLHSInRHSPart to tell if it is in the form 'x ordop expr'. |
12926 | IsXLHSInRHSPart = Checker.isXBinopExpr(); |
12927 | IsFailOnly = Checker.isFailOnly(); |
12928 | IsPostfixUpdate = Checker.isPostfixUpdate(); |
12929 | } else { |
12930 | OpenMPAtomicCompareChecker::ErrorInfoTy ErrorInfo; |
12931 | OpenMPAtomicCompareChecker Checker(*this); |
12932 | if (!Checker.checkStmt(Body, ErrorInfo)) { |
12933 | Diag(ErrorInfo.ErrorLoc, diag::err_omp_atomic_compare) |
12934 | << ErrorInfo.ErrorRange; |
12935 | Diag(ErrorInfo.NoteLoc, diag::note_omp_atomic_compare) |
12936 | << ErrorInfo.Error << ErrorInfo.NoteRange; |
12937 | return StmtError(); |
12938 | } |
12939 | X = Checker.getX(); |
12940 | E = Checker.getE(); |
12941 | D = Checker.getD(); |
12942 | CE = Checker.getCond(); |
12943 | // We reuse IsXLHSInRHSPart to tell if it is in the form 'x ordop expr'. |
12944 | IsXLHSInRHSPart = Checker.isXBinopExpr(); |
12945 | } |
12946 | } |
12947 | |
12948 | setFunctionHasBranchProtectedScope(); |
12949 | |
12950 | return OMPAtomicDirective::Create( |
12951 | Context, StartLoc, EndLoc, Clauses, AStmt, |
12952 | {X, V, R, E, UE, D, CE, IsXLHSInRHSPart, IsPostfixUpdate, IsFailOnly}); |
12953 | } |
12954 | |
12955 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, |
12956 | Stmt *AStmt, |
12957 | SourceLocation StartLoc, |
12958 | SourceLocation EndLoc) { |
12959 | if (!AStmt) |
12960 | return StmtError(); |
12961 | |
12962 | auto *CS = cast<CapturedStmt>(AStmt); |
12963 | // 1.2.2 OpenMP Language Terminology |
12964 | // Structured block - An executable statement with a single entry at the |
12965 | // top and a single exit at the bottom. |
12966 | // The point of exit cannot be a branch out of the structured block. |
12967 | // longjmp() and throw() must not violate the entry/exit criteria. |
12968 | CS->getCapturedDecl()->setNothrow(); |
12969 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); |
12970 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12971 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12972 | // 1.2.2 OpenMP Language Terminology |
12973 | // Structured block - An executable statement with a single entry at the |
12974 | // top and a single exit at the bottom. |
12975 | // The point of exit cannot be a branch out of the structured block. |
12976 | // longjmp() and throw() must not violate the entry/exit criteria. |
12977 | CS->getCapturedDecl()->setNothrow(); |
12978 | } |
12979 | |
12980 | // OpenMP [2.16, Nesting of Regions] |
12981 | // If specified, a teams construct must be contained within a target |
12982 | // construct. That target construct must contain no statements or directives |
12983 | // outside of the teams construct. |
12984 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { |
12985 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); |
12986 | bool OMPTeamsFound = true; |
12987 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { |
12988 | auto I = CS->body_begin(); |
12989 | while (I != CS->body_end()) { |
12990 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); |
12991 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || |
12992 | OMPTeamsFound) { |
12993 | |
12994 | OMPTeamsFound = false; |
12995 | break; |
12996 | } |
12997 | ++I; |
12998 | } |
12999 | 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", 12999, __extension__ __PRETTY_FUNCTION__ )); |
13000 | S = *I; |
13001 | } else { |
13002 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); |
13003 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); |
13004 | } |
13005 | if (!OMPTeamsFound) { |
13006 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); |
13007 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), |
13008 | diag::note_omp_nested_teams_construct_here); |
13009 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) |
13010 | << isa<OMPExecutableDirective>(S); |
13011 | return StmtError(); |
13012 | } |
13013 | } |
13014 | |
13015 | setFunctionHasBranchProtectedScope(); |
13016 | |
13017 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
13018 | } |
13019 | |
13020 | StmtResult |
13021 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, |
13022 | Stmt *AStmt, SourceLocation StartLoc, |
13023 | SourceLocation EndLoc) { |
13024 | if (!AStmt) |
13025 | return StmtError(); |
13026 | |
13027 | auto *CS = cast<CapturedStmt>(AStmt); |
13028 | // 1.2.2 OpenMP Language Terminology |
13029 | // Structured block - An executable statement with a single entry at the |
13030 | // top and a single exit at the bottom. |
13031 | // The point of exit cannot be a branch out of the structured block. |
13032 | // longjmp() and throw() must not violate the entry/exit criteria. |
13033 | CS->getCapturedDecl()->setNothrow(); |
13034 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); |
13035 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13036 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13037 | // 1.2.2 OpenMP Language Terminology |
13038 | // Structured block - An executable statement with a single entry at the |
13039 | // top and a single exit at the bottom. |
13040 | // The point of exit cannot be a branch out of the structured block. |
13041 | // longjmp() and throw() must not violate the entry/exit criteria. |
13042 | CS->getCapturedDecl()->setNothrow(); |
13043 | } |
13044 | |
13045 | setFunctionHasBranchProtectedScope(); |
13046 | |
13047 | return OMPTargetParallelDirective::Create( |
13048 | Context, StartLoc, EndLoc, Clauses, AStmt, |
13049 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13050 | } |
13051 | |
13052 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( |
13053 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13054 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13055 | if (!AStmt) |
13056 | return StmtError(); |
13057 | |
13058 | auto *CS = cast<CapturedStmt>(AStmt); |
13059 | // 1.2.2 OpenMP Language Terminology |
13060 | // Structured block - An executable statement with a single entry at the |
13061 | // top and a single exit at the bottom. |
13062 | // The point of exit cannot be a branch out of the structured block. |
13063 | // longjmp() and throw() must not violate the entry/exit criteria. |
13064 | CS->getCapturedDecl()->setNothrow(); |
13065 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); |
13066 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13067 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13068 | // 1.2.2 OpenMP Language Terminology |
13069 | // Structured block - An executable statement with a single entry at the |
13070 | // top and a single exit at the bottom. |
13071 | // The point of exit cannot be a branch out of the structured block. |
13072 | // longjmp() and throw() must not violate the entry/exit criteria. |
13073 | CS->getCapturedDecl()->setNothrow(); |
13074 | } |
13075 | |
13076 | OMPLoopBasedDirective::HelperExprs B; |
13077 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13078 | // define the nested loops number. |
13079 | unsigned NestedLoopCount = |
13080 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), |
13081 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13082 | VarsWithImplicitDSA, B); |
13083 | if (NestedLoopCount == 0) |
13084 | return StmtError(); |
13085 | |
13086 | 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", 13087, __extension__ __PRETTY_FUNCTION__ )) |
13087 | "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", 13087, __extension__ __PRETTY_FUNCTION__ )); |
13088 | |
13089 | if (!CurContext->isDependentContext()) { |
13090 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13091 | for (OMPClause *C : Clauses) { |
13092 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13093 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13094 | B.NumIterations, *this, CurScope, |
13095 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13096 | return StmtError(); |
13097 | } |
13098 | } |
13099 | |
13100 | setFunctionHasBranchProtectedScope(); |
13101 | return OMPTargetParallelForDirective::Create( |
13102 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13104 | } |
13105 | |
13106 | /// Check for existence of a map clause in the list of clauses. |
13107 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, |
13108 | const OpenMPClauseKind K) { |
13109 | return llvm::any_of( |
13110 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); |
13111 | } |
13112 | |
13113 | template <typename... Params> |
13114 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, |
13115 | const Params... ClauseTypes) { |
13116 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); |
13117 | } |
13118 | |
13119 | /// Check if the variables in the mapping clause are externally visible. |
13120 | static bool isClauseMappable(ArrayRef<OMPClause *> Clauses) { |
13121 | for (const OMPClause *C : Clauses) { |
13122 | if (auto *TC = dyn_cast<OMPToClause>(C)) |
13123 | return llvm::all_of(TC->all_decls(), [](ValueDecl *VD) { |
13124 | return !VD || !VD->hasAttr<OMPDeclareTargetDeclAttr>() || |
13125 | (VD->isExternallyVisible() && |
13126 | VD->getVisibility() != HiddenVisibility); |
13127 | }); |
13128 | else if (auto *FC = dyn_cast<OMPFromClause>(C)) |
13129 | return llvm::all_of(FC->all_decls(), [](ValueDecl *VD) { |
13130 | return !VD || !VD->hasAttr<OMPDeclareTargetDeclAttr>() || |
13131 | (VD->isExternallyVisible() && |
13132 | VD->getVisibility() != HiddenVisibility); |
13133 | }); |
13134 | } |
13135 | |
13136 | return true; |
13137 | } |
13138 | |
13139 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, |
13140 | Stmt *AStmt, |
13141 | SourceLocation StartLoc, |
13142 | SourceLocation EndLoc) { |
13143 | if (!AStmt) |
13144 | return StmtError(); |
13145 | |
13146 | 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", 13146, __extension__ __PRETTY_FUNCTION__ )); |
13147 | |
13148 | // OpenMP [2.12.2, target data Construct, Restrictions] |
13149 | // At least one map, use_device_addr or use_device_ptr clause must appear on |
13150 | // the directive. |
13151 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr) && |
13152 | (LangOpts.OpenMP < 50 || !hasClauses(Clauses, OMPC_use_device_addr))) { |
13153 | StringRef Expected; |
13154 | if (LangOpts.OpenMP < 50) |
13155 | Expected = "'map' or 'use_device_ptr'"; |
13156 | else |
13157 | Expected = "'map', 'use_device_ptr', or 'use_device_addr'"; |
13158 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
13159 | << Expected << getOpenMPDirectiveName(OMPD_target_data); |
13160 | return StmtError(); |
13161 | } |
13162 | |
13163 | setFunctionHasBranchProtectedScope(); |
13164 | |
13165 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
13166 | AStmt); |
13167 | } |
13168 | |
13169 | StmtResult |
13170 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, |
13171 | SourceLocation StartLoc, |
13172 | SourceLocation EndLoc, Stmt *AStmt) { |
13173 | if (!AStmt) |
13174 | return StmtError(); |
13175 | |
13176 | auto *CS = cast<CapturedStmt>(AStmt); |
13177 | // 1.2.2 OpenMP Language Terminology |
13178 | // Structured block - An executable statement with a single entry at the |
13179 | // top and a single exit at the bottom. |
13180 | // The point of exit cannot be a branch out of the structured block. |
13181 | // longjmp() and throw() must not violate the entry/exit criteria. |
13182 | CS->getCapturedDecl()->setNothrow(); |
13183 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); |
13184 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13185 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13186 | // 1.2.2 OpenMP Language Terminology |
13187 | // Structured block - An executable statement with a single entry at the |
13188 | // top and a single exit at the bottom. |
13189 | // The point of exit cannot be a branch out of the structured block. |
13190 | // longjmp() and throw() must not violate the entry/exit criteria. |
13191 | CS->getCapturedDecl()->setNothrow(); |
13192 | } |
13193 | |
13194 | // OpenMP [2.10.2, Restrictions, p. 99] |
13195 | // At least one map clause must appear on the directive. |
13196 | if (!hasClauses(Clauses, OMPC_map)) { |
13197 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
13198 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); |
13199 | return StmtError(); |
13200 | } |
13201 | |
13202 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
13203 | AStmt); |
13204 | } |
13205 | |
13206 | StmtResult |
13207 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, |
13208 | SourceLocation StartLoc, |
13209 | SourceLocation EndLoc, Stmt *AStmt) { |
13210 | if (!AStmt) |
13211 | return StmtError(); |
13212 | |
13213 | auto *CS = cast<CapturedStmt>(AStmt); |
13214 | // 1.2.2 OpenMP Language Terminology |
13215 | // Structured block - An executable statement with a single entry at the |
13216 | // top and a single exit at the bottom. |
13217 | // The point of exit cannot be a branch out of the structured block. |
13218 | // longjmp() and throw() must not violate the entry/exit criteria. |
13219 | CS->getCapturedDecl()->setNothrow(); |
13220 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); |
13221 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13222 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13223 | // 1.2.2 OpenMP Language Terminology |
13224 | // Structured block - An executable statement with a single entry at the |
13225 | // top and a single exit at the bottom. |
13226 | // The point of exit cannot be a branch out of the structured block. |
13227 | // longjmp() and throw() must not violate the entry/exit criteria. |
13228 | CS->getCapturedDecl()->setNothrow(); |
13229 | } |
13230 | |
13231 | // OpenMP [2.10.3, Restrictions, p. 102] |
13232 | // At least one map clause must appear on the directive. |
13233 | if (!hasClauses(Clauses, OMPC_map)) { |
13234 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
13235 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); |
13236 | return StmtError(); |
13237 | } |
13238 | |
13239 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
13240 | AStmt); |
13241 | } |
13242 | |
13243 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, |
13244 | SourceLocation StartLoc, |
13245 | SourceLocation EndLoc, |
13246 | Stmt *AStmt) { |
13247 | if (!AStmt) |
13248 | return StmtError(); |
13249 | |
13250 | auto *CS = cast<CapturedStmt>(AStmt); |
13251 | // 1.2.2 OpenMP Language Terminology |
13252 | // Structured block - An executable statement with a single entry at the |
13253 | // top and a single exit at the bottom. |
13254 | // The point of exit cannot be a branch out of the structured block. |
13255 | // longjmp() and throw() must not violate the entry/exit criteria. |
13256 | CS->getCapturedDecl()->setNothrow(); |
13257 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); |
13258 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13259 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13260 | // 1.2.2 OpenMP Language Terminology |
13261 | // Structured block - An executable statement with a single entry at the |
13262 | // top and a single exit at the bottom. |
13263 | // The point of exit cannot be a branch out of the structured block. |
13264 | // longjmp() and throw() must not violate the entry/exit criteria. |
13265 | CS->getCapturedDecl()->setNothrow(); |
13266 | } |
13267 | |
13268 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { |
13269 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); |
13270 | return StmtError(); |
13271 | } |
13272 | |
13273 | if (!isClauseMappable(Clauses)) { |
13274 | Diag(StartLoc, diag::err_omp_cannot_update_with_internal_linkage); |
13275 | return StmtError(); |
13276 | } |
13277 | |
13278 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, |
13279 | AStmt); |
13280 | } |
13281 | |
13282 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, |
13283 | Stmt *AStmt, SourceLocation StartLoc, |
13284 | SourceLocation EndLoc) { |
13285 | if (!AStmt) |
13286 | return StmtError(); |
13287 | |
13288 | // Report affected OpenMP target offloading behavior when in HIP lang-mode. |
13289 | if (getLangOpts().HIP && (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() == OMPD_target)) |
13290 | Diag(StartLoc, diag::warn_hip_omp_target_directives); |
13291 | |
13292 | auto *CS = cast<CapturedStmt>(AStmt); |
13293 | // 1.2.2 OpenMP Language Terminology |
13294 | // Structured block - An executable statement with a single entry at the |
13295 | // top and a single exit at the bottom. |
13296 | // The point of exit cannot be a branch out of the structured block. |
13297 | // longjmp() and throw() must not violate the entry/exit criteria. |
13298 | CS->getCapturedDecl()->setNothrow(); |
13299 | |
13300 | setFunctionHasBranchProtectedScope(); |
13301 | |
13302 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
13303 | |
13304 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
13305 | } |
13306 | |
13307 | StmtResult |
13308 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, |
13309 | SourceLocation EndLoc, |
13310 | OpenMPDirectiveKind CancelRegion) { |
13311 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { |
13312 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; |
13313 | return StmtError(); |
13314 | } |
13315 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { |
13316 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; |
13317 | return StmtError(); |
13318 | } |
13319 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, |
13320 | CancelRegion); |
13321 | } |
13322 | |
13323 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, |
13324 | SourceLocation StartLoc, |
13325 | SourceLocation EndLoc, |
13326 | OpenMPDirectiveKind CancelRegion) { |
13327 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { |
13328 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; |
13329 | return StmtError(); |
13330 | } |
13331 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { |
13332 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; |
13333 | return StmtError(); |
13334 | } |
13335 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); |
13336 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, |
13337 | CancelRegion); |
13338 | } |
13339 | |
13340 | static bool checkReductionClauseWithNogroup(Sema &S, |
13341 | ArrayRef<OMPClause *> Clauses) { |
13342 | const OMPClause *ReductionClause = nullptr; |
13343 | const OMPClause *NogroupClause = nullptr; |
13344 | for (const OMPClause *C : Clauses) { |
13345 | if (C->getClauseKind() == OMPC_reduction) { |
13346 | ReductionClause = C; |
13347 | if (NogroupClause) |
13348 | break; |
13349 | continue; |
13350 | } |
13351 | if (C->getClauseKind() == OMPC_nogroup) { |
13352 | NogroupClause = C; |
13353 | if (ReductionClause) |
13354 | break; |
13355 | continue; |
13356 | } |
13357 | } |
13358 | if (ReductionClause && NogroupClause) { |
13359 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) |
13360 | << SourceRange(NogroupClause->getBeginLoc(), |
13361 | NogroupClause->getEndLoc()); |
13362 | return true; |
13363 | } |
13364 | return false; |
13365 | } |
13366 | |
13367 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( |
13368 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13369 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13370 | if (!AStmt) |
13371 | return StmtError(); |
13372 | |
13373 | 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", 13373, __extension__ __PRETTY_FUNCTION__ )); |
13374 | OMPLoopBasedDirective::HelperExprs B; |
13375 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13376 | // define the nested loops number. |
13377 | unsigned NestedLoopCount = |
13378 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), |
13379 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13380 | VarsWithImplicitDSA, B); |
13381 | if (NestedLoopCount == 0) |
13382 | return StmtError(); |
13383 | |
13384 | 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", 13385, __extension__ __PRETTY_FUNCTION__ )) |
13385 | "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", 13385, __extension__ __PRETTY_FUNCTION__ )); |
13386 | |
13387 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13388 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13389 | // not appear on the same taskloop directive. |
13390 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13391 | {OMPC_grainsize, OMPC_num_tasks})) |
13392 | return StmtError(); |
13393 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13394 | // If a reduction clause is present on the taskloop directive, the nogroup |
13395 | // clause must not be specified. |
13396 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13397 | return StmtError(); |
13398 | |
13399 | setFunctionHasBranchProtectedScope(); |
13400 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, |
13401 | NestedLoopCount, Clauses, AStmt, B, |
13402 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13403 | } |
13404 | |
13405 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( |
13406 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13407 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13408 | if (!AStmt) |
13409 | return StmtError(); |
13410 | |
13411 | 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", 13411, __extension__ __PRETTY_FUNCTION__ )); |
13412 | OMPLoopBasedDirective::HelperExprs B; |
13413 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13414 | // define the nested loops number. |
13415 | unsigned NestedLoopCount = |
13416 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), |
13417 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13418 | VarsWithImplicitDSA, B); |
13419 | if (NestedLoopCount == 0) |
13420 | return StmtError(); |
13421 | |
13422 | 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", 13423, __extension__ __PRETTY_FUNCTION__ )) |
13423 | "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", 13423, __extension__ __PRETTY_FUNCTION__ )); |
13424 | |
13425 | if (!CurContext->isDependentContext()) { |
13426 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13427 | for (OMPClause *C : Clauses) { |
13428 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13429 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13430 | B.NumIterations, *this, CurScope, |
13431 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13432 | return StmtError(); |
13433 | } |
13434 | } |
13435 | |
13436 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13437 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13438 | // not appear on the same taskloop directive. |
13439 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13440 | {OMPC_grainsize, OMPC_num_tasks})) |
13441 | return StmtError(); |
13442 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13443 | // If a reduction clause is present on the taskloop directive, the nogroup |
13444 | // clause must not be specified. |
13445 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13446 | return StmtError(); |
13447 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13448 | return StmtError(); |
13449 | |
13450 | setFunctionHasBranchProtectedScope(); |
13451 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, |
13452 | NestedLoopCount, Clauses, AStmt, B); |
13453 | } |
13454 | |
13455 | StmtResult Sema::ActOnOpenMPMasterTaskLoopDirective( |
13456 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13457 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13458 | if (!AStmt) |
13459 | return StmtError(); |
13460 | |
13461 | 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", 13461, __extension__ __PRETTY_FUNCTION__ )); |
13462 | OMPLoopBasedDirective::HelperExprs B; |
13463 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13464 | // define the nested loops number. |
13465 | unsigned NestedLoopCount = |
13466 | checkOpenMPLoop(OMPD_master_taskloop, getCollapseNumberExpr(Clauses), |
13467 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13468 | VarsWithImplicitDSA, B); |
13469 | if (NestedLoopCount == 0) |
13470 | return StmtError(); |
13471 | |
13472 | 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", 13473, __extension__ __PRETTY_FUNCTION__ )) |
13473 | "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", 13473, __extension__ __PRETTY_FUNCTION__ )); |
13474 | |
13475 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13476 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13477 | // not appear on the same taskloop directive. |
13478 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13479 | {OMPC_grainsize, OMPC_num_tasks})) |
13480 | return StmtError(); |
13481 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13482 | // If a reduction clause is present on the taskloop directive, the nogroup |
13483 | // clause must not be specified. |
13484 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13485 | return StmtError(); |
13486 | |
13487 | setFunctionHasBranchProtectedScope(); |
13488 | return OMPMasterTaskLoopDirective::Create(Context, StartLoc, EndLoc, |
13489 | NestedLoopCount, Clauses, AStmt, B, |
13490 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13491 | } |
13492 | |
13493 | StmtResult Sema::ActOnOpenMPMaskedTaskLoopDirective( |
13494 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13495 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13496 | if (!AStmt) |
13497 | return StmtError(); |
13498 | |
13499 | 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", 13499, __extension__ __PRETTY_FUNCTION__ )); |
13500 | OMPLoopBasedDirective::HelperExprs B; |
13501 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13502 | // define the nested loops number. |
13503 | unsigned NestedLoopCount = |
13504 | checkOpenMPLoop(OMPD_masked_taskloop, getCollapseNumberExpr(Clauses), |
13505 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13506 | VarsWithImplicitDSA, B); |
13507 | if (NestedLoopCount == 0) |
13508 | return StmtError(); |
13509 | |
13510 | 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", 13511, __extension__ __PRETTY_FUNCTION__ )) |
13511 | "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", 13511, __extension__ __PRETTY_FUNCTION__ )); |
13512 | |
13513 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13514 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13515 | // not appear on the same taskloop directive. |
13516 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13517 | {OMPC_grainsize, OMPC_num_tasks})) |
13518 | return StmtError(); |
13519 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13520 | // If a reduction clause is present on the taskloop directive, the nogroup |
13521 | // clause must not be specified. |
13522 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13523 | return StmtError(); |
13524 | |
13525 | setFunctionHasBranchProtectedScope(); |
13526 | return OMPMaskedTaskLoopDirective::Create(Context, StartLoc, EndLoc, |
13527 | NestedLoopCount, Clauses, AStmt, B, |
13528 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13529 | } |
13530 | |
13531 | StmtResult Sema::ActOnOpenMPMasterTaskLoopSimdDirective( |
13532 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13533 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13534 | if (!AStmt) |
13535 | return StmtError(); |
13536 | |
13537 | 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", 13537, __extension__ __PRETTY_FUNCTION__ )); |
13538 | OMPLoopBasedDirective::HelperExprs B; |
13539 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13540 | // define the nested loops number. |
13541 | unsigned NestedLoopCount = |
13542 | checkOpenMPLoop(OMPD_master_taskloop_simd, getCollapseNumberExpr(Clauses), |
13543 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13544 | VarsWithImplicitDSA, B); |
13545 | if (NestedLoopCount == 0) |
13546 | return StmtError(); |
13547 | |
13548 | 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", 13549, __extension__ __PRETTY_FUNCTION__ )) |
13549 | "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", 13549, __extension__ __PRETTY_FUNCTION__ )); |
13550 | |
13551 | if (!CurContext->isDependentContext()) { |
13552 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13553 | for (OMPClause *C : Clauses) { |
13554 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13555 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13556 | B.NumIterations, *this, CurScope, |
13557 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13558 | return StmtError(); |
13559 | } |
13560 | } |
13561 | |
13562 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13563 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13564 | // not appear on the same taskloop directive. |
13565 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13566 | {OMPC_grainsize, OMPC_num_tasks})) |
13567 | return StmtError(); |
13568 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13569 | // If a reduction clause is present on the taskloop directive, the nogroup |
13570 | // clause must not be specified. |
13571 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13572 | return StmtError(); |
13573 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13574 | return StmtError(); |
13575 | |
13576 | setFunctionHasBranchProtectedScope(); |
13577 | return OMPMasterTaskLoopSimdDirective::Create( |
13578 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13579 | } |
13580 | |
13581 | StmtResult Sema::ActOnOpenMPMaskedTaskLoopSimdDirective( |
13582 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13583 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13584 | if (!AStmt) |
13585 | return StmtError(); |
13586 | |
13587 | 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", 13587, __extension__ __PRETTY_FUNCTION__ )); |
13588 | OMPLoopBasedDirective::HelperExprs B; |
13589 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13590 | // define the nested loops number. |
13591 | unsigned NestedLoopCount = |
13592 | checkOpenMPLoop(OMPD_masked_taskloop_simd, getCollapseNumberExpr(Clauses), |
13593 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13594 | VarsWithImplicitDSA, B); |
13595 | if (NestedLoopCount == 0) |
13596 | return StmtError(); |
13597 | |
13598 | 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", 13599, __extension__ __PRETTY_FUNCTION__ )) |
13599 | "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", 13599, __extension__ __PRETTY_FUNCTION__ )); |
13600 | |
13601 | if (!CurContext->isDependentContext()) { |
13602 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13603 | for (OMPClause *C : Clauses) { |
13604 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13605 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13606 | B.NumIterations, *this, CurScope, |
13607 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13608 | return StmtError(); |
13609 | } |
13610 | } |
13611 | |
13612 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13613 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13614 | // not appear on the same taskloop directive. |
13615 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13616 | {OMPC_grainsize, OMPC_num_tasks})) |
13617 | return StmtError(); |
13618 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13619 | // If a reduction clause is present on the taskloop directive, the nogroup |
13620 | // clause must not be specified. |
13621 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13622 | return StmtError(); |
13623 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13624 | return StmtError(); |
13625 | |
13626 | setFunctionHasBranchProtectedScope(); |
13627 | return OMPMaskedTaskLoopSimdDirective::Create( |
13628 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13629 | } |
13630 | |
13631 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopDirective( |
13632 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13633 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13634 | if (!AStmt) |
13635 | return StmtError(); |
13636 | |
13637 | 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", 13637, __extension__ __PRETTY_FUNCTION__ )); |
13638 | auto *CS = cast<CapturedStmt>(AStmt); |
13639 | // 1.2.2 OpenMP Language Terminology |
13640 | // Structured block - An executable statement with a single entry at the |
13641 | // top and a single exit at the bottom. |
13642 | // The point of exit cannot be a branch out of the structured block. |
13643 | // longjmp() and throw() must not violate the entry/exit criteria. |
13644 | CS->getCapturedDecl()->setNothrow(); |
13645 | for (int ThisCaptureLevel = |
13646 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop); |
13647 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13648 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13649 | // 1.2.2 OpenMP Language Terminology |
13650 | // Structured block - An executable statement with a single entry at the |
13651 | // top and a single exit at the bottom. |
13652 | // The point of exit cannot be a branch out of the structured block. |
13653 | // longjmp() and throw() must not violate the entry/exit criteria. |
13654 | CS->getCapturedDecl()->setNothrow(); |
13655 | } |
13656 | |
13657 | OMPLoopBasedDirective::HelperExprs B; |
13658 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13659 | // define the nested loops number. |
13660 | unsigned NestedLoopCount = checkOpenMPLoop( |
13661 | OMPD_parallel_master_taskloop, getCollapseNumberExpr(Clauses), |
13662 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13663 | VarsWithImplicitDSA, B); |
13664 | if (NestedLoopCount == 0) |
13665 | return StmtError(); |
13666 | |
13667 | 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", 13668, __extension__ __PRETTY_FUNCTION__ )) |
13668 | "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", 13668, __extension__ __PRETTY_FUNCTION__ )); |
13669 | |
13670 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13671 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13672 | // not appear on the same taskloop directive. |
13673 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13674 | {OMPC_grainsize, OMPC_num_tasks})) |
13675 | return StmtError(); |
13676 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13677 | // If a reduction clause is present on the taskloop directive, the nogroup |
13678 | // clause must not be specified. |
13679 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13680 | return StmtError(); |
13681 | |
13682 | setFunctionHasBranchProtectedScope(); |
13683 | return OMPParallelMasterTaskLoopDirective::Create( |
13684 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13685 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13686 | } |
13687 | |
13688 | StmtResult Sema::ActOnOpenMPParallelMaskedTaskLoopDirective( |
13689 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13690 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13691 | if (!AStmt) |
13692 | return StmtError(); |
13693 | |
13694 | 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", 13694, __extension__ __PRETTY_FUNCTION__ )); |
13695 | auto *CS = cast<CapturedStmt>(AStmt); |
13696 | // 1.2.2 OpenMP Language Terminology |
13697 | // Structured block - An executable statement with a single entry at the |
13698 | // top and a single exit at the bottom. |
13699 | // The point of exit cannot be a branch out of the structured block. |
13700 | // longjmp() and throw() must not violate the entry/exit criteria. |
13701 | CS->getCapturedDecl()->setNothrow(); |
13702 | for (int ThisCaptureLevel = |
13703 | getOpenMPCaptureLevels(OMPD_parallel_masked_taskloop); |
13704 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13705 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13706 | // 1.2.2 OpenMP Language Terminology |
13707 | // Structured block - An executable statement with a single entry at the |
13708 | // top and a single exit at the bottom. |
13709 | // The point of exit cannot be a branch out of the structured block. |
13710 | // longjmp() and throw() must not violate the entry/exit criteria. |
13711 | CS->getCapturedDecl()->setNothrow(); |
13712 | } |
13713 | |
13714 | OMPLoopBasedDirective::HelperExprs B; |
13715 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13716 | // define the nested loops number. |
13717 | unsigned NestedLoopCount = checkOpenMPLoop( |
13718 | OMPD_parallel_masked_taskloop, getCollapseNumberExpr(Clauses), |
13719 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13720 | VarsWithImplicitDSA, B); |
13721 | if (NestedLoopCount == 0) |
13722 | return StmtError(); |
13723 | |
13724 | 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", 13725, __extension__ __PRETTY_FUNCTION__ )) |
13725 | "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", 13725, __extension__ __PRETTY_FUNCTION__ )); |
13726 | |
13727 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13728 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13729 | // not appear on the same taskloop directive. |
13730 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13731 | {OMPC_grainsize, OMPC_num_tasks})) |
13732 | return StmtError(); |
13733 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13734 | // If a reduction clause is present on the taskloop directive, the nogroup |
13735 | // clause must not be specified. |
13736 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13737 | return StmtError(); |
13738 | |
13739 | setFunctionHasBranchProtectedScope(); |
13740 | return OMPParallelMaskedTaskLoopDirective::Create( |
13741 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13742 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13743 | } |
13744 | |
13745 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopSimdDirective( |
13746 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13747 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13748 | if (!AStmt) |
13749 | return StmtError(); |
13750 | |
13751 | 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", 13751, __extension__ __PRETTY_FUNCTION__ )); |
13752 | auto *CS = cast<CapturedStmt>(AStmt); |
13753 | // 1.2.2 OpenMP Language Terminology |
13754 | // Structured block - An executable statement with a single entry at the |
13755 | // top and a single exit at the bottom. |
13756 | // The point of exit cannot be a branch out of the structured block. |
13757 | // longjmp() and throw() must not violate the entry/exit criteria. |
13758 | CS->getCapturedDecl()->setNothrow(); |
13759 | for (int ThisCaptureLevel = |
13760 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop_simd); |
13761 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13762 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13763 | // 1.2.2 OpenMP Language Terminology |
13764 | // Structured block - An executable statement with a single entry at the |
13765 | // top and a single exit at the bottom. |
13766 | // The point of exit cannot be a branch out of the structured block. |
13767 | // longjmp() and throw() must not violate the entry/exit criteria. |
13768 | CS->getCapturedDecl()->setNothrow(); |
13769 | } |
13770 | |
13771 | OMPLoopBasedDirective::HelperExprs B; |
13772 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13773 | // define the nested loops number. |
13774 | unsigned NestedLoopCount = checkOpenMPLoop( |
13775 | OMPD_parallel_master_taskloop_simd, getCollapseNumberExpr(Clauses), |
13776 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13777 | VarsWithImplicitDSA, B); |
13778 | if (NestedLoopCount == 0) |
13779 | return StmtError(); |
13780 | |
13781 | 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", 13782, __extension__ __PRETTY_FUNCTION__ )) |
13782 | "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", 13782, __extension__ __PRETTY_FUNCTION__ )); |
13783 | |
13784 | if (!CurContext->isDependentContext()) { |
13785 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13786 | for (OMPClause *C : Clauses) { |
13787 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13788 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13789 | B.NumIterations, *this, CurScope, |
13790 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13791 | return StmtError(); |
13792 | } |
13793 | } |
13794 | |
13795 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13796 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13797 | // not appear on the same taskloop directive. |
13798 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13799 | {OMPC_grainsize, OMPC_num_tasks})) |
13800 | return StmtError(); |
13801 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13802 | // If a reduction clause is present on the taskloop directive, the nogroup |
13803 | // clause must not be specified. |
13804 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13805 | return StmtError(); |
13806 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13807 | return StmtError(); |
13808 | |
13809 | setFunctionHasBranchProtectedScope(); |
13810 | return OMPParallelMasterTaskLoopSimdDirective::Create( |
13811 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13812 | } |
13813 | |
13814 | StmtResult Sema::ActOnOpenMPParallelMaskedTaskLoopSimdDirective( |
13815 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13816 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13817 | if (!AStmt) |
13818 | return StmtError(); |
13819 | |
13820 | 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", 13820, __extension__ __PRETTY_FUNCTION__ )); |
13821 | auto *CS = cast<CapturedStmt>(AStmt); |
13822 | // 1.2.2 OpenMP Language Terminology |
13823 | // Structured block - An executable statement with a single entry at the |
13824 | // top and a single exit at the bottom. |
13825 | // The point of exit cannot be a branch out of the structured block. |
13826 | // longjmp() and throw() must not violate the entry/exit criteria. |
13827 | CS->getCapturedDecl()->setNothrow(); |
13828 | for (int ThisCaptureLevel = |
13829 | getOpenMPCaptureLevels(OMPD_parallel_masked_taskloop_simd); |
13830 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13831 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13832 | // 1.2.2 OpenMP Language Terminology |
13833 | // Structured block - An executable statement with a single entry at the |
13834 | // top and a single exit at the bottom. |
13835 | // The point of exit cannot be a branch out of the structured block. |
13836 | // longjmp() and throw() must not violate the entry/exit criteria. |
13837 | CS->getCapturedDecl()->setNothrow(); |
13838 | } |
13839 | |
13840 | OMPLoopBasedDirective::HelperExprs B; |
13841 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
13842 | // define the nested loops number. |
13843 | unsigned NestedLoopCount = checkOpenMPLoop( |
13844 | OMPD_parallel_masked_taskloop_simd, getCollapseNumberExpr(Clauses), |
13845 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13846 | VarsWithImplicitDSA, B); |
13847 | if (NestedLoopCount == 0) |
13848 | return StmtError(); |
13849 | |
13850 | 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", 13851, __extension__ __PRETTY_FUNCTION__ )) |
13851 | "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", 13851, __extension__ __PRETTY_FUNCTION__ )); |
13852 | |
13853 | if (!CurContext->isDependentContext()) { |
13854 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13855 | for (OMPClause *C : Clauses) { |
13856 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13857 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13858 | B.NumIterations, *this, CurScope, |
13859 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13860 | return StmtError(); |
13861 | } |
13862 | } |
13863 | |
13864 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13865 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
13866 | // not appear on the same taskloop directive. |
13867 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
13868 | {OMPC_grainsize, OMPC_num_tasks})) |
13869 | return StmtError(); |
13870 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
13871 | // If a reduction clause is present on the taskloop directive, the nogroup |
13872 | // clause must not be specified. |
13873 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
13874 | return StmtError(); |
13875 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
13876 | return StmtError(); |
13877 | |
13878 | setFunctionHasBranchProtectedScope(); |
13879 | return OMPParallelMaskedTaskLoopSimdDirective::Create( |
13880 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
13881 | } |
13882 | |
13883 | StmtResult Sema::ActOnOpenMPDistributeDirective( |
13884 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13885 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13886 | if (!AStmt) |
13887 | return StmtError(); |
13888 | |
13889 | 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", 13889, __extension__ __PRETTY_FUNCTION__ )); |
13890 | OMPLoopBasedDirective::HelperExprs B; |
13891 | // In presence of clause 'collapse' with number of loops, it will |
13892 | // define the nested loops number. |
13893 | unsigned NestedLoopCount = |
13894 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), |
13895 | nullptr /*ordered not a clause on distribute*/, AStmt, |
13896 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
13897 | if (NestedLoopCount == 0) |
13898 | return StmtError(); |
13899 | |
13900 | 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", 13901, __extension__ __PRETTY_FUNCTION__ )) |
13901 | "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", 13901, __extension__ __PRETTY_FUNCTION__ )); |
13902 | |
13903 | setFunctionHasBranchProtectedScope(); |
13904 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, |
13905 | NestedLoopCount, Clauses, AStmt, B); |
13906 | } |
13907 | |
13908 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( |
13909 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13910 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13911 | if (!AStmt) |
13912 | return StmtError(); |
13913 | |
13914 | auto *CS = cast<CapturedStmt>(AStmt); |
13915 | // 1.2.2 OpenMP Language Terminology |
13916 | // Structured block - An executable statement with a single entry at the |
13917 | // top and a single exit at the bottom. |
13918 | // The point of exit cannot be a branch out of the structured block. |
13919 | // longjmp() and throw() must not violate the entry/exit criteria. |
13920 | CS->getCapturedDecl()->setNothrow(); |
13921 | for (int ThisCaptureLevel = |
13922 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); |
13923 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13924 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13925 | // 1.2.2 OpenMP Language Terminology |
13926 | // Structured block - An executable statement with a single entry at the |
13927 | // top and a single exit at the bottom. |
13928 | // The point of exit cannot be a branch out of the structured block. |
13929 | // longjmp() and throw() must not violate the entry/exit criteria. |
13930 | CS->getCapturedDecl()->setNothrow(); |
13931 | } |
13932 | |
13933 | OMPLoopBasedDirective::HelperExprs B; |
13934 | // In presence of clause 'collapse' with number of loops, it will |
13935 | // define the nested loops number. |
13936 | unsigned NestedLoopCount = checkOpenMPLoop( |
13937 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
13938 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13939 | VarsWithImplicitDSA, B); |
13940 | if (NestedLoopCount == 0) |
13941 | return StmtError(); |
13942 | |
13943 | 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", 13944, __extension__ __PRETTY_FUNCTION__ )) |
13944 | "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", 13944, __extension__ __PRETTY_FUNCTION__ )); |
13945 | |
13946 | setFunctionHasBranchProtectedScope(); |
13947 | return OMPDistributeParallelForDirective::Create( |
13948 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
13949 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
13950 | } |
13951 | |
13952 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( |
13953 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
13954 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
13955 | if (!AStmt) |
13956 | return StmtError(); |
13957 | |
13958 | auto *CS = cast<CapturedStmt>(AStmt); |
13959 | // 1.2.2 OpenMP Language Terminology |
13960 | // Structured block - An executable statement with a single entry at the |
13961 | // top and a single exit at the bottom. |
13962 | // The point of exit cannot be a branch out of the structured block. |
13963 | // longjmp() and throw() must not violate the entry/exit criteria. |
13964 | CS->getCapturedDecl()->setNothrow(); |
13965 | for (int ThisCaptureLevel = |
13966 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); |
13967 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
13968 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
13969 | // 1.2.2 OpenMP Language Terminology |
13970 | // Structured block - An executable statement with a single entry at the |
13971 | // top and a single exit at the bottom. |
13972 | // The point of exit cannot be a branch out of the structured block. |
13973 | // longjmp() and throw() must not violate the entry/exit criteria. |
13974 | CS->getCapturedDecl()->setNothrow(); |
13975 | } |
13976 | |
13977 | OMPLoopBasedDirective::HelperExprs B; |
13978 | // In presence of clause 'collapse' with number of loops, it will |
13979 | // define the nested loops number. |
13980 | unsigned NestedLoopCount = checkOpenMPLoop( |
13981 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), |
13982 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
13983 | VarsWithImplicitDSA, B); |
13984 | if (NestedLoopCount == 0) |
13985 | return StmtError(); |
13986 | |
13987 | 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", 13988, __extension__ __PRETTY_FUNCTION__ )) |
13988 | "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", 13988, __extension__ __PRETTY_FUNCTION__ )); |
13989 | |
13990 | if (!CurContext->isDependentContext()) { |
13991 | // Finalize the clauses that need pre-built expressions for CodeGen. |
13992 | for (OMPClause *C : Clauses) { |
13993 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
13994 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
13995 | B.NumIterations, *this, CurScope, |
13996 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
13997 | return StmtError(); |
13998 | } |
13999 | } |
14000 | |
14001 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14002 | return StmtError(); |
14003 | |
14004 | setFunctionHasBranchProtectedScope(); |
14005 | return OMPDistributeParallelForSimdDirective::Create( |
14006 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14007 | } |
14008 | |
14009 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( |
14010 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14011 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14012 | if (!AStmt) |
14013 | return StmtError(); |
14014 | |
14015 | auto *CS = cast<CapturedStmt>(AStmt); |
14016 | // 1.2.2 OpenMP Language Terminology |
14017 | // Structured block - An executable statement with a single entry at the |
14018 | // top and a single exit at the bottom. |
14019 | // The point of exit cannot be a branch out of the structured block. |
14020 | // longjmp() and throw() must not violate the entry/exit criteria. |
14021 | CS->getCapturedDecl()->setNothrow(); |
14022 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); |
14023 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14024 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14025 | // 1.2.2 OpenMP Language Terminology |
14026 | // Structured block - An executable statement with a single entry at the |
14027 | // top and a single exit at the bottom. |
14028 | // The point of exit cannot be a branch out of the structured block. |
14029 | // longjmp() and throw() must not violate the entry/exit criteria. |
14030 | CS->getCapturedDecl()->setNothrow(); |
14031 | } |
14032 | |
14033 | OMPLoopBasedDirective::HelperExprs B; |
14034 | // In presence of clause 'collapse' with number of loops, it will |
14035 | // define the nested loops number. |
14036 | unsigned NestedLoopCount = |
14037 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), |
14038 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
14039 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
14040 | if (NestedLoopCount == 0) |
14041 | return StmtError(); |
14042 | |
14043 | 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", 14044, __extension__ __PRETTY_FUNCTION__ )) |
14044 | "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", 14044, __extension__ __PRETTY_FUNCTION__ )); |
14045 | |
14046 | if (!CurContext->isDependentContext()) { |
14047 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14048 | for (OMPClause *C : Clauses) { |
14049 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14050 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14051 | B.NumIterations, *this, CurScope, |
14052 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14053 | return StmtError(); |
14054 | } |
14055 | } |
14056 | |
14057 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14058 | return StmtError(); |
14059 | |
14060 | setFunctionHasBranchProtectedScope(); |
14061 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, |
14062 | NestedLoopCount, Clauses, AStmt, B); |
14063 | } |
14064 | |
14065 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( |
14066 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14067 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14068 | if (!AStmt) |
14069 | return StmtError(); |
14070 | |
14071 | auto *CS = cast<CapturedStmt>(AStmt); |
14072 | // 1.2.2 OpenMP Language Terminology |
14073 | // Structured block - An executable statement with a single entry at the |
14074 | // top and a single exit at the bottom. |
14075 | // The point of exit cannot be a branch out of the structured block. |
14076 | // longjmp() and throw() must not violate the entry/exit criteria. |
14077 | CS->getCapturedDecl()->setNothrow(); |
14078 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); |
14079 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14080 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14081 | // 1.2.2 OpenMP Language Terminology |
14082 | // Structured block - An executable statement with a single entry at the |
14083 | // top and a single exit at the bottom. |
14084 | // The point of exit cannot be a branch out of the structured block. |
14085 | // longjmp() and throw() must not violate the entry/exit criteria. |
14086 | CS->getCapturedDecl()->setNothrow(); |
14087 | } |
14088 | |
14089 | OMPLoopBasedDirective::HelperExprs B; |
14090 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
14091 | // define the nested loops number. |
14092 | unsigned NestedLoopCount = checkOpenMPLoop( |
14093 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), |
14094 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, |
14095 | B); |
14096 | if (NestedLoopCount == 0) |
14097 | return StmtError(); |
14098 | |
14099 | 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", 14100, __extension__ __PRETTY_FUNCTION__ )) |
14100 | "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", 14100, __extension__ __PRETTY_FUNCTION__ )); |
14101 | |
14102 | if (!CurContext->isDependentContext()) { |
14103 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14104 | for (OMPClause *C : Clauses) { |
14105 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14106 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14107 | B.NumIterations, *this, CurScope, |
14108 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14109 | return StmtError(); |
14110 | } |
14111 | } |
14112 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14113 | return StmtError(); |
14114 | |
14115 | setFunctionHasBranchProtectedScope(); |
14116 | return OMPTargetParallelForSimdDirective::Create( |
14117 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14118 | } |
14119 | |
14120 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( |
14121 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14122 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14123 | if (!AStmt) |
14124 | return StmtError(); |
14125 | |
14126 | auto *CS = cast<CapturedStmt>(AStmt); |
14127 | // 1.2.2 OpenMP Language Terminology |
14128 | // Structured block - An executable statement with a single entry at the |
14129 | // top and a single exit at the bottom. |
14130 | // The point of exit cannot be a branch out of the structured block. |
14131 | // longjmp() and throw() must not violate the entry/exit criteria. |
14132 | CS->getCapturedDecl()->setNothrow(); |
14133 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); |
14134 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14135 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14136 | // 1.2.2 OpenMP Language Terminology |
14137 | // Structured block - An executable statement with a single entry at the |
14138 | // top and a single exit at the bottom. |
14139 | // The point of exit cannot be a branch out of the structured block. |
14140 | // longjmp() and throw() must not violate the entry/exit criteria. |
14141 | CS->getCapturedDecl()->setNothrow(); |
14142 | } |
14143 | |
14144 | OMPLoopBasedDirective::HelperExprs B; |
14145 | // In presence of clause 'collapse' with number of loops, it will define the |
14146 | // nested loops number. |
14147 | unsigned NestedLoopCount = |
14148 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), |
14149 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14150 | VarsWithImplicitDSA, B); |
14151 | if (NestedLoopCount == 0) |
14152 | return StmtError(); |
14153 | |
14154 | 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", 14155, __extension__ __PRETTY_FUNCTION__ )) |
14155 | "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", 14155, __extension__ __PRETTY_FUNCTION__ )); |
14156 | |
14157 | if (!CurContext->isDependentContext()) { |
14158 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14159 | for (OMPClause *C : Clauses) { |
14160 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14161 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14162 | B.NumIterations, *this, CurScope, |
14163 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14164 | return StmtError(); |
14165 | } |
14166 | } |
14167 | |
14168 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14169 | return StmtError(); |
14170 | |
14171 | setFunctionHasBranchProtectedScope(); |
14172 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, |
14173 | NestedLoopCount, Clauses, AStmt, B); |
14174 | } |
14175 | |
14176 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( |
14177 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14178 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14179 | if (!AStmt) |
14180 | return StmtError(); |
14181 | |
14182 | auto *CS = cast<CapturedStmt>(AStmt); |
14183 | // 1.2.2 OpenMP Language Terminology |
14184 | // Structured block - An executable statement with a single entry at the |
14185 | // top and a single exit at the bottom. |
14186 | // The point of exit cannot be a branch out of the structured block. |
14187 | // longjmp() and throw() must not violate the entry/exit criteria. |
14188 | CS->getCapturedDecl()->setNothrow(); |
14189 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); |
14190 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14191 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14192 | // 1.2.2 OpenMP Language Terminology |
14193 | // Structured block - An executable statement with a single entry at the |
14194 | // top and a single exit at the bottom. |
14195 | // The point of exit cannot be a branch out of the structured block. |
14196 | // longjmp() and throw() must not violate the entry/exit criteria. |
14197 | CS->getCapturedDecl()->setNothrow(); |
14198 | } |
14199 | |
14200 | OMPLoopBasedDirective::HelperExprs B; |
14201 | // In presence of clause 'collapse' with number of loops, it will |
14202 | // define the nested loops number. |
14203 | unsigned NestedLoopCount = |
14204 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), |
14205 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
14206 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
14207 | if (NestedLoopCount == 0) |
14208 | return StmtError(); |
14209 | |
14210 | 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", 14211, __extension__ __PRETTY_FUNCTION__ )) |
14211 | "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", 14211, __extension__ __PRETTY_FUNCTION__ )); |
14212 | |
14213 | setFunctionHasBranchProtectedScope(); |
14214 | |
14215 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
14216 | |
14217 | return OMPTeamsDistributeDirective::Create( |
14218 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14219 | } |
14220 | |
14221 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( |
14222 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14223 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14224 | if (!AStmt) |
14225 | return StmtError(); |
14226 | |
14227 | auto *CS = cast<CapturedStmt>(AStmt); |
14228 | // 1.2.2 OpenMP Language Terminology |
14229 | // Structured block - An executable statement with a single entry at the |
14230 | // top and a single exit at the bottom. |
14231 | // The point of exit cannot be a branch out of the structured block. |
14232 | // longjmp() and throw() must not violate the entry/exit criteria. |
14233 | CS->getCapturedDecl()->setNothrow(); |
14234 | for (int ThisCaptureLevel = |
14235 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); |
14236 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14237 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14238 | // 1.2.2 OpenMP Language Terminology |
14239 | // Structured block - An executable statement with a single entry at the |
14240 | // top and a single exit at the bottom. |
14241 | // The point of exit cannot be a branch out of the structured block. |
14242 | // longjmp() and throw() must not violate the entry/exit criteria. |
14243 | CS->getCapturedDecl()->setNothrow(); |
14244 | } |
14245 | |
14246 | OMPLoopBasedDirective::HelperExprs B; |
14247 | // In presence of clause 'collapse' with number of loops, it will |
14248 | // define the nested loops number. |
14249 | unsigned NestedLoopCount = checkOpenMPLoop( |
14250 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), |
14251 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14252 | VarsWithImplicitDSA, B); |
14253 | |
14254 | if (NestedLoopCount == 0) |
14255 | return StmtError(); |
14256 | |
14257 | 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", 14258, __extension__ __PRETTY_FUNCTION__ )) |
14258 | "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", 14258, __extension__ __PRETTY_FUNCTION__ )); |
14259 | |
14260 | if (!CurContext->isDependentContext()) { |
14261 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14262 | for (OMPClause *C : Clauses) { |
14263 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14264 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14265 | B.NumIterations, *this, CurScope, |
14266 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14267 | return StmtError(); |
14268 | } |
14269 | } |
14270 | |
14271 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14272 | return StmtError(); |
14273 | |
14274 | setFunctionHasBranchProtectedScope(); |
14275 | |
14276 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
14277 | |
14278 | return OMPTeamsDistributeSimdDirective::Create( |
14279 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14280 | } |
14281 | |
14282 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( |
14283 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14284 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14285 | if (!AStmt) |
14286 | return StmtError(); |
14287 | |
14288 | auto *CS = cast<CapturedStmt>(AStmt); |
14289 | // 1.2.2 OpenMP Language Terminology |
14290 | // Structured block - An executable statement with a single entry at the |
14291 | // top and a single exit at the bottom. |
14292 | // The point of exit cannot be a branch out of the structured block. |
14293 | // longjmp() and throw() must not violate the entry/exit criteria. |
14294 | CS->getCapturedDecl()->setNothrow(); |
14295 | |
14296 | for (int ThisCaptureLevel = |
14297 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); |
14298 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14299 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14300 | // 1.2.2 OpenMP Language Terminology |
14301 | // Structured block - An executable statement with a single entry at the |
14302 | // top and a single exit at the bottom. |
14303 | // The point of exit cannot be a branch out of the structured block. |
14304 | // longjmp() and throw() must not violate the entry/exit criteria. |
14305 | CS->getCapturedDecl()->setNothrow(); |
14306 | } |
14307 | |
14308 | OMPLoopBasedDirective::HelperExprs B; |
14309 | // In presence of clause 'collapse' with number of loops, it will |
14310 | // define the nested loops number. |
14311 | unsigned NestedLoopCount = checkOpenMPLoop( |
14312 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), |
14313 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14314 | VarsWithImplicitDSA, B); |
14315 | |
14316 | if (NestedLoopCount == 0) |
14317 | return StmtError(); |
14318 | |
14319 | 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", 14320, __extension__ __PRETTY_FUNCTION__ )) |
14320 | "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", 14320, __extension__ __PRETTY_FUNCTION__ )); |
14321 | |
14322 | if (!CurContext->isDependentContext()) { |
14323 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14324 | for (OMPClause *C : Clauses) { |
14325 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14326 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14327 | B.NumIterations, *this, CurScope, |
14328 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14329 | return StmtError(); |
14330 | } |
14331 | } |
14332 | |
14333 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14334 | return StmtError(); |
14335 | |
14336 | setFunctionHasBranchProtectedScope(); |
14337 | |
14338 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
14339 | |
14340 | return OMPTeamsDistributeParallelForSimdDirective::Create( |
14341 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14342 | } |
14343 | |
14344 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( |
14345 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14346 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14347 | if (!AStmt) |
14348 | return StmtError(); |
14349 | |
14350 | auto *CS = cast<CapturedStmt>(AStmt); |
14351 | // 1.2.2 OpenMP Language Terminology |
14352 | // Structured block - An executable statement with a single entry at the |
14353 | // top and a single exit at the bottom. |
14354 | // The point of exit cannot be a branch out of the structured block. |
14355 | // longjmp() and throw() must not violate the entry/exit criteria. |
14356 | CS->getCapturedDecl()->setNothrow(); |
14357 | |
14358 | for (int ThisCaptureLevel = |
14359 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); |
14360 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14361 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14362 | // 1.2.2 OpenMP Language Terminology |
14363 | // Structured block - An executable statement with a single entry at the |
14364 | // top and a single exit at the bottom. |
14365 | // The point of exit cannot be a branch out of the structured block. |
14366 | // longjmp() and throw() must not violate the entry/exit criteria. |
14367 | CS->getCapturedDecl()->setNothrow(); |
14368 | } |
14369 | |
14370 | OMPLoopBasedDirective::HelperExprs B; |
14371 | // In presence of clause 'collapse' with number of loops, it will |
14372 | // define the nested loops number. |
14373 | unsigned NestedLoopCount = checkOpenMPLoop( |
14374 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
14375 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14376 | VarsWithImplicitDSA, B); |
14377 | |
14378 | if (NestedLoopCount == 0) |
14379 | return StmtError(); |
14380 | |
14381 | 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", 14382, __extension__ __PRETTY_FUNCTION__ )) |
14382 | "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", 14382, __extension__ __PRETTY_FUNCTION__ )); |
14383 | |
14384 | setFunctionHasBranchProtectedScope(); |
14385 | |
14386 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
14387 | |
14388 | return OMPTeamsDistributeParallelForDirective::Create( |
14389 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
14390 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
14391 | } |
14392 | |
14393 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, |
14394 | Stmt *AStmt, |
14395 | SourceLocation StartLoc, |
14396 | SourceLocation EndLoc) { |
14397 | if (!AStmt) |
14398 | return StmtError(); |
14399 | |
14400 | auto *CS = cast<CapturedStmt>(AStmt); |
14401 | // 1.2.2 OpenMP Language Terminology |
14402 | // Structured block - An executable statement with a single entry at the |
14403 | // top and a single exit at the bottom. |
14404 | // The point of exit cannot be a branch out of the structured block. |
14405 | // longjmp() and throw() must not violate the entry/exit criteria. |
14406 | CS->getCapturedDecl()->setNothrow(); |
14407 | |
14408 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); |
14409 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14410 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14411 | // 1.2.2 OpenMP Language Terminology |
14412 | // Structured block - An executable statement with a single entry at the |
14413 | // top and a single exit at the bottom. |
14414 | // The point of exit cannot be a branch out of the structured block. |
14415 | // longjmp() and throw() must not violate the entry/exit criteria. |
14416 | CS->getCapturedDecl()->setNothrow(); |
14417 | } |
14418 | setFunctionHasBranchProtectedScope(); |
14419 | |
14420 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, |
14421 | AStmt); |
14422 | } |
14423 | |
14424 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( |
14425 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14426 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14427 | if (!AStmt) |
14428 | return StmtError(); |
14429 | |
14430 | auto *CS = cast<CapturedStmt>(AStmt); |
14431 | // 1.2.2 OpenMP Language Terminology |
14432 | // Structured block - An executable statement with a single entry at the |
14433 | // top and a single exit at the bottom. |
14434 | // The point of exit cannot be a branch out of the structured block. |
14435 | // longjmp() and throw() must not violate the entry/exit criteria. |
14436 | CS->getCapturedDecl()->setNothrow(); |
14437 | for (int ThisCaptureLevel = |
14438 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); |
14439 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14440 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14441 | // 1.2.2 OpenMP Language Terminology |
14442 | // Structured block - An executable statement with a single entry at the |
14443 | // top and a single exit at the bottom. |
14444 | // The point of exit cannot be a branch out of the structured block. |
14445 | // longjmp() and throw() must not violate the entry/exit criteria. |
14446 | CS->getCapturedDecl()->setNothrow(); |
14447 | } |
14448 | |
14449 | OMPLoopBasedDirective::HelperExprs B; |
14450 | // In presence of clause 'collapse' with number of loops, it will |
14451 | // define the nested loops number. |
14452 | unsigned NestedLoopCount = checkOpenMPLoop( |
14453 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), |
14454 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14455 | VarsWithImplicitDSA, B); |
14456 | if (NestedLoopCount == 0) |
14457 | return StmtError(); |
14458 | |
14459 | 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", 14460, __extension__ __PRETTY_FUNCTION__ )) |
14460 | "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", 14460, __extension__ __PRETTY_FUNCTION__ )); |
14461 | |
14462 | setFunctionHasBranchProtectedScope(); |
14463 | return OMPTargetTeamsDistributeDirective::Create( |
14464 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14465 | } |
14466 | |
14467 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( |
14468 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14469 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14470 | if (!AStmt) |
14471 | return StmtError(); |
14472 | |
14473 | auto *CS = cast<CapturedStmt>(AStmt); |
14474 | // 1.2.2 OpenMP Language Terminology |
14475 | // Structured block - An executable statement with a single entry at the |
14476 | // top and a single exit at the bottom. |
14477 | // The point of exit cannot be a branch out of the structured block. |
14478 | // longjmp() and throw() must not violate the entry/exit criteria. |
14479 | CS->getCapturedDecl()->setNothrow(); |
14480 | for (int ThisCaptureLevel = |
14481 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); |
14482 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14483 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14484 | // 1.2.2 OpenMP Language Terminology |
14485 | // Structured block - An executable statement with a single entry at the |
14486 | // top and a single exit at the bottom. |
14487 | // The point of exit cannot be a branch out of the structured block. |
14488 | // longjmp() and throw() must not violate the entry/exit criteria. |
14489 | CS->getCapturedDecl()->setNothrow(); |
14490 | } |
14491 | |
14492 | OMPLoopBasedDirective::HelperExprs B; |
14493 | // In presence of clause 'collapse' with number of loops, it will |
14494 | // define the nested loops number. |
14495 | unsigned NestedLoopCount = checkOpenMPLoop( |
14496 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
14497 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14498 | VarsWithImplicitDSA, B); |
14499 | if (NestedLoopCount == 0) |
14500 | return StmtError(); |
14501 | |
14502 | 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", 14503, __extension__ __PRETTY_FUNCTION__ )) |
14503 | "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", 14503, __extension__ __PRETTY_FUNCTION__ )); |
14504 | |
14505 | if (!CurContext->isDependentContext()) { |
14506 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14507 | for (OMPClause *C : Clauses) { |
14508 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14509 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14510 | B.NumIterations, *this, CurScope, |
14511 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14512 | return StmtError(); |
14513 | } |
14514 | } |
14515 | |
14516 | setFunctionHasBranchProtectedScope(); |
14517 | return OMPTargetTeamsDistributeParallelForDirective::Create( |
14518 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
14519 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
14520 | } |
14521 | |
14522 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( |
14523 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14524 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14525 | if (!AStmt) |
14526 | return StmtError(); |
14527 | |
14528 | auto *CS = cast<CapturedStmt>(AStmt); |
14529 | // 1.2.2 OpenMP Language Terminology |
14530 | // Structured block - An executable statement with a single entry at the |
14531 | // top and a single exit at the bottom. |
14532 | // The point of exit cannot be a branch out of the structured block. |
14533 | // longjmp() and throw() must not violate the entry/exit criteria. |
14534 | CS->getCapturedDecl()->setNothrow(); |
14535 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( |
14536 | OMPD_target_teams_distribute_parallel_for_simd); |
14537 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14538 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14539 | // 1.2.2 OpenMP Language Terminology |
14540 | // Structured block - An executable statement with a single entry at the |
14541 | // top and a single exit at the bottom. |
14542 | // The point of exit cannot be a branch out of the structured block. |
14543 | // longjmp() and throw() must not violate the entry/exit criteria. |
14544 | CS->getCapturedDecl()->setNothrow(); |
14545 | } |
14546 | |
14547 | OMPLoopBasedDirective::HelperExprs B; |
14548 | // In presence of clause 'collapse' with number of loops, it will |
14549 | // define the nested loops number. |
14550 | unsigned NestedLoopCount = |
14551 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, |
14552 | getCollapseNumberExpr(Clauses), |
14553 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
14554 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
14555 | if (NestedLoopCount == 0) |
14556 | return StmtError(); |
14557 | |
14558 | 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", 14560, __extension__ __PRETTY_FUNCTION__ )) |
14559 | "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", 14560, __extension__ __PRETTY_FUNCTION__ )) |
14560 | "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", 14560, __extension__ __PRETTY_FUNCTION__ )); |
14561 | |
14562 | if (!CurContext->isDependentContext()) { |
14563 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14564 | for (OMPClause *C : Clauses) { |
14565 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14566 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14567 | B.NumIterations, *this, CurScope, |
14568 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14569 | return StmtError(); |
14570 | } |
14571 | } |
14572 | |
14573 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14574 | return StmtError(); |
14575 | |
14576 | setFunctionHasBranchProtectedScope(); |
14577 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( |
14578 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14579 | } |
14580 | |
14581 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( |
14582 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
14583 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
14584 | if (!AStmt) |
14585 | return StmtError(); |
14586 | |
14587 | auto *CS = cast<CapturedStmt>(AStmt); |
14588 | // 1.2.2 OpenMP Language Terminology |
14589 | // Structured block - An executable statement with a single entry at the |
14590 | // top and a single exit at the bottom. |
14591 | // The point of exit cannot be a branch out of the structured block. |
14592 | // longjmp() and throw() must not violate the entry/exit criteria. |
14593 | CS->getCapturedDecl()->setNothrow(); |
14594 | for (int ThisCaptureLevel = |
14595 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); |
14596 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
14597 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
14598 | // 1.2.2 OpenMP Language Terminology |
14599 | // Structured block - An executable statement with a single entry at the |
14600 | // top and a single exit at the bottom. |
14601 | // The point of exit cannot be a branch out of the structured block. |
14602 | // longjmp() and throw() must not violate the entry/exit criteria. |
14603 | CS->getCapturedDecl()->setNothrow(); |
14604 | } |
14605 | |
14606 | OMPLoopBasedDirective::HelperExprs B; |
14607 | // In presence of clause 'collapse' with number of loops, it will |
14608 | // define the nested loops number. |
14609 | unsigned NestedLoopCount = checkOpenMPLoop( |
14610 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), |
14611 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14612 | VarsWithImplicitDSA, B); |
14613 | if (NestedLoopCount == 0) |
14614 | return StmtError(); |
14615 | |
14616 | 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", 14617, __extension__ __PRETTY_FUNCTION__ )) |
14617 | "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", 14617, __extension__ __PRETTY_FUNCTION__ )); |
14618 | |
14619 | if (!CurContext->isDependentContext()) { |
14620 | // Finalize the clauses that need pre-built expressions for CodeGen. |
14621 | for (OMPClause *C : Clauses) { |
14622 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
14623 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
14624 | B.NumIterations, *this, CurScope, |
14625 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14626 | return StmtError(); |
14627 | } |
14628 | } |
14629 | |
14630 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
14631 | return StmtError(); |
14632 | |
14633 | setFunctionHasBranchProtectedScope(); |
14634 | return OMPTargetTeamsDistributeSimdDirective::Create( |
14635 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
14636 | } |
14637 | |
14638 | bool Sema::checkTransformableLoopNest( |
14639 | OpenMPDirectiveKind Kind, Stmt *AStmt, int NumLoops, |
14640 | SmallVectorImpl<OMPLoopBasedDirective::HelperExprs> &LoopHelpers, |
14641 | Stmt *&Body, |
14642 | SmallVectorImpl<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>> |
14643 | &OriginalInits) { |
14644 | OriginalInits.emplace_back(); |
14645 | bool Result = OMPLoopBasedDirective::doForAllLoops( |
14646 | AStmt->IgnoreContainers(), /*TryImperfectlyNestedLoops=*/false, NumLoops, |
14647 | [this, &LoopHelpers, &Body, &OriginalInits, Kind](unsigned Cnt, |
14648 | Stmt *CurStmt) { |
14649 | VarsWithInheritedDSAType TmpDSA; |
14650 | unsigned SingleNumLoops = |
14651 | checkOpenMPLoop(Kind, nullptr, nullptr, CurStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
14652 | TmpDSA, LoopHelpers[Cnt]); |
14653 | if (SingleNumLoops == 0) |
14654 | return true; |
14655 | 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", 14655, __extension__ __PRETTY_FUNCTION__ )); |
14656 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { |
14657 | OriginalInits.back().push_back(For->getInit()); |
14658 | Body = For->getBody(); |
14659 | } else { |
14660 | 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", 14661, __extension__ __PRETTY_FUNCTION__ )) |
14661 | "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", 14661, __extension__ __PRETTY_FUNCTION__ )); |
14662 | auto *CXXFor = cast<CXXForRangeStmt>(CurStmt); |
14663 | OriginalInits.back().push_back(CXXFor->getBeginStmt()); |
14664 | Body = CXXFor->getBody(); |
14665 | } |
14666 | OriginalInits.emplace_back(); |
14667 | return false; |
14668 | }, |
14669 | [&OriginalInits](OMPLoopBasedDirective *Transform) { |
14670 | Stmt *DependentPreInits; |
14671 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) |
14672 | DependentPreInits = Dir->getPreInits(); |
14673 | else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) |
14674 | DependentPreInits = Dir->getPreInits(); |
14675 | else |
14676 | llvm_unreachable("Unhandled loop transformation")::llvm::llvm_unreachable_internal("Unhandled loop transformation" , "clang/lib/Sema/SemaOpenMP.cpp", 14676); |
14677 | if (!DependentPreInits) |
14678 | return; |
14679 | llvm::append_range(OriginalInits.back(), |
14680 | cast<DeclStmt>(DependentPreInits)->getDeclGroup()); |
14681 | }); |
14682 | 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", 14682, __extension__ __PRETTY_FUNCTION__ )); |
14683 | OriginalInits.pop_back(); |
14684 | return Result; |
14685 | } |
14686 | |
14687 | StmtResult Sema::ActOnOpenMPTileDirective(ArrayRef<OMPClause *> Clauses, |
14688 | Stmt *AStmt, SourceLocation StartLoc, |
14689 | SourceLocation EndLoc) { |
14690 | auto SizesClauses = |
14691 | OMPExecutableDirective::getClausesOfKind<OMPSizesClause>(Clauses); |
14692 | if (SizesClauses.empty()) { |
14693 | // A missing 'sizes' clause is already reported by the parser. |
14694 | return StmtError(); |
14695 | } |
14696 | const OMPSizesClause *SizesClause = *SizesClauses.begin(); |
14697 | unsigned NumLoops = SizesClause->getNumSizes(); |
14698 | |
14699 | // Empty statement should only be possible if there already was an error. |
14700 | if (!AStmt) |
14701 | return StmtError(); |
14702 | |
14703 | // Verify and diagnose loop nest. |
14704 | SmallVector<OMPLoopBasedDirective::HelperExprs, 4> LoopHelpers(NumLoops); |
14705 | Stmt *Body = nullptr; |
14706 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, 4> |
14707 | OriginalInits; |
14708 | if (!checkTransformableLoopNest(OMPD_tile, AStmt, NumLoops, LoopHelpers, Body, |
14709 | OriginalInits)) |
14710 | return StmtError(); |
14711 | |
14712 | // Delay tiling to when template is completely instantiated. |
14713 | if (CurContext->isDependentContext()) |
14714 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, |
14715 | NumLoops, AStmt, nullptr, nullptr); |
14716 | |
14717 | SmallVector<Decl *, 4> PreInits; |
14718 | |
14719 | // Create iteration variables for the generated loops. |
14720 | SmallVector<VarDecl *, 4> FloorIndVars; |
14721 | SmallVector<VarDecl *, 4> TileIndVars; |
14722 | FloorIndVars.resize(NumLoops); |
14723 | TileIndVars.resize(NumLoops); |
14724 | for (unsigned I = 0; I < NumLoops; ++I) { |
14725 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; |
14726 | |
14727 | 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", 14728, __extension__ __PRETTY_FUNCTION__ )) |
14728 | "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", 14728, __extension__ __PRETTY_FUNCTION__ )); |
14729 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); |
14730 | std::string OrigVarName = OrigCntVar->getNameInfo().getAsString(); |
14731 | DeclRefExpr *IterVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); |
14732 | QualType CntTy = IterVarRef->getType(); |
14733 | |
14734 | // Iteration variable for the floor (i.e. outer) loop. |
14735 | { |
14736 | std::string FloorCntName = |
14737 | (Twine(".floor_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); |
14738 | VarDecl *FloorCntDecl = |
14739 | buildVarDecl(*this, {}, CntTy, FloorCntName, nullptr, OrigCntVar); |
14740 | FloorIndVars[I] = FloorCntDecl; |
14741 | } |
14742 | |
14743 | // Iteration variable for the tile (i.e. inner) loop. |
14744 | { |
14745 | std::string TileCntName = |
14746 | (Twine(".tile_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); |
14747 | |
14748 | // Reuse the iteration variable created by checkOpenMPLoop. It is also |
14749 | // used by the expressions to derive the original iteration variable's |
14750 | // value from the logical iteration number. |
14751 | auto *TileCntDecl = cast<VarDecl>(IterVarRef->getDecl()); |
14752 | TileCntDecl->setDeclName(&PP.getIdentifierTable().get(TileCntName)); |
14753 | TileIndVars[I] = TileCntDecl; |
14754 | } |
14755 | for (auto &P : OriginalInits[I]) { |
14756 | if (auto *D = P.dyn_cast<Decl *>()) |
14757 | PreInits.push_back(D); |
14758 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) |
14759 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
14760 | } |
14761 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) |
14762 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
14763 | // Gather declarations for the data members used as counters. |
14764 | for (Expr *CounterRef : LoopHelper.Counters) { |
14765 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); |
14766 | if (isa<OMPCapturedExprDecl>(CounterDecl)) |
14767 | PreInits.push_back(CounterDecl); |
14768 | } |
14769 | } |
14770 | |
14771 | // Once the original iteration values are set, append the innermost body. |
14772 | Stmt *Inner = Body; |
14773 | |
14774 | // Create tile loops from the inside to the outside. |
14775 | for (int I = NumLoops - 1; I >= 0; --I) { |
14776 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; |
14777 | Expr *NumIterations = LoopHelper.NumIterations; |
14778 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); |
14779 | QualType CntTy = OrigCntVar->getType(); |
14780 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; |
14781 | Scope *CurScope = getCurScope(); |
14782 | |
14783 | // Commonly used variables. |
14784 | DeclRefExpr *TileIV = buildDeclRefExpr(*this, TileIndVars[I], CntTy, |
14785 | OrigCntVar->getExprLoc()); |
14786 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, |
14787 | OrigCntVar->getExprLoc()); |
14788 | |
14789 | // For init-statement: auto .tile.iv = .floor.iv |
14790 | AddInitializerToDecl(TileIndVars[I], DefaultLvalueConversion(FloorIV).get(), |
14791 | /*DirectInit=*/false); |
14792 | Decl *CounterDecl = TileIndVars[I]; |
14793 | StmtResult InitStmt = new (Context) |
14794 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), |
14795 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); |
14796 | if (!InitStmt.isUsable()) |
14797 | return StmtError(); |
14798 | |
14799 | // For cond-expression: .tile.iv < min(.floor.iv + DimTileSize, |
14800 | // NumIterations) |
14801 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14802 | BO_Add, FloorIV, DimTileSize); |
14803 | if (!EndOfTile.isUsable()) |
14804 | return StmtError(); |
14805 | ExprResult IsPartialTile = |
14806 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, |
14807 | NumIterations, EndOfTile.get()); |
14808 | if (!IsPartialTile.isUsable()) |
14809 | return StmtError(); |
14810 | ExprResult MinTileAndIterSpace = ActOnConditionalOp( |
14811 | LoopHelper.Cond->getBeginLoc(), LoopHelper.Cond->getEndLoc(), |
14812 | IsPartialTile.get(), NumIterations, EndOfTile.get()); |
14813 | if (!MinTileAndIterSpace.isUsable()) |
14814 | return StmtError(); |
14815 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14816 | BO_LT, TileIV, MinTileAndIterSpace.get()); |
14817 | if (!CondExpr.isUsable()) |
14818 | return StmtError(); |
14819 | |
14820 | // For incr-statement: ++.tile.iv |
14821 | ExprResult IncrStmt = |
14822 | BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), UO_PreInc, TileIV); |
14823 | if (!IncrStmt.isUsable()) |
14824 | return StmtError(); |
14825 | |
14826 | // Statements to set the original iteration variable's value from the |
14827 | // logical iteration number. |
14828 | // Generated for loop is: |
14829 | // Original_for_init; |
14830 | // for (auto .tile.iv = .floor.iv; .tile.iv < min(.floor.iv + DimTileSize, |
14831 | // NumIterations); ++.tile.iv) { |
14832 | // Original_Body; |
14833 | // Original_counter_update; |
14834 | // } |
14835 | // FIXME: If the innermost body is an loop itself, inserting these |
14836 | // statements stops it being recognized as a perfectly nested loop (e.g. |
14837 | // for applying tiling again). If this is the case, sink the expressions |
14838 | // further into the inner loop. |
14839 | SmallVector<Stmt *, 4> BodyParts; |
14840 | BodyParts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); |
14841 | BodyParts.push_back(Inner); |
14842 | Inner = CompoundStmt::Create(Context, BodyParts, FPOptionsOverride(), |
14843 | Inner->getBeginLoc(), Inner->getEndLoc()); |
14844 | Inner = new (Context) |
14845 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, |
14846 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), |
14847 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
14848 | } |
14849 | |
14850 | // Create floor loops from the inside to the outside. |
14851 | for (int I = NumLoops - 1; I >= 0; --I) { |
14852 | auto &LoopHelper = LoopHelpers[I]; |
14853 | Expr *NumIterations = LoopHelper.NumIterations; |
14854 | DeclRefExpr *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); |
14855 | QualType CntTy = OrigCntVar->getType(); |
14856 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; |
14857 | Scope *CurScope = getCurScope(); |
14858 | |
14859 | // Commonly used variables. |
14860 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, |
14861 | OrigCntVar->getExprLoc()); |
14862 | |
14863 | // For init-statement: auto .floor.iv = 0 |
14864 | AddInitializerToDecl( |
14865 | FloorIndVars[I], |
14866 | ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), |
14867 | /*DirectInit=*/false); |
14868 | Decl *CounterDecl = FloorIndVars[I]; |
14869 | StmtResult InitStmt = new (Context) |
14870 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), |
14871 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); |
14872 | if (!InitStmt.isUsable()) |
14873 | return StmtError(); |
14874 | |
14875 | // For cond-expression: .floor.iv < NumIterations |
14876 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
14877 | BO_LT, FloorIV, NumIterations); |
14878 | if (!CondExpr.isUsable()) |
14879 | return StmtError(); |
14880 | |
14881 | // For incr-statement: .floor.iv += DimTileSize |
14882 | ExprResult IncrStmt = BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), |
14883 | BO_AddAssign, FloorIV, DimTileSize); |
14884 | if (!IncrStmt.isUsable()) |
14885 | return StmtError(); |
14886 | |
14887 | Inner = new (Context) |
14888 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, |
14889 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), |
14890 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
14891 | } |
14892 | |
14893 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, NumLoops, |
14894 | AStmt, Inner, |
14895 | buildPreInits(Context, PreInits)); |
14896 | } |
14897 | |
14898 | StmtResult Sema::ActOnOpenMPUnrollDirective(ArrayRef<OMPClause *> Clauses, |
14899 | Stmt *AStmt, |
14900 | SourceLocation StartLoc, |
14901 | SourceLocation EndLoc) { |
14902 | // Empty statement should only be possible if there already was an error. |
14903 | if (!AStmt) |
14904 | return StmtError(); |
14905 | |
14906 | if (checkMutuallyExclusiveClauses(*this, Clauses, {OMPC_partial, OMPC_full})) |
14907 | return StmtError(); |
14908 | |
14909 | const OMPFullClause *FullClause = |
14910 | OMPExecutableDirective::getSingleClause<OMPFullClause>(Clauses); |
14911 | const OMPPartialClause *PartialClause = |
14912 | OMPExecutableDirective::getSingleClause<OMPPartialClause>(Clauses); |
14913 | 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", 14914, __extension__ __PRETTY_FUNCTION__ )) |
14914 | "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", 14914, __extension__ __PRETTY_FUNCTION__ )); |
14915 | |
14916 | constexpr unsigned NumLoops = 1; |
14917 | Stmt *Body = nullptr; |
14918 | SmallVector<OMPLoopBasedDirective::HelperExprs, NumLoops> LoopHelpers( |
14919 | NumLoops); |
14920 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, NumLoops + 1> |
14921 | OriginalInits; |
14922 | if (!checkTransformableLoopNest(OMPD_unroll, AStmt, NumLoops, LoopHelpers, |
14923 | Body, OriginalInits)) |
14924 | return StmtError(); |
14925 | |
14926 | unsigned NumGeneratedLoops = PartialClause ? 1 : 0; |
14927 | |
14928 | // Delay unrolling to when template is completely instantiated. |
14929 | if (CurContext->isDependentContext()) |
14930 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
14931 | NumGeneratedLoops, nullptr, nullptr); |
14932 | |
14933 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers.front(); |
14934 | |
14935 | if (FullClause) { |
14936 | if (!VerifyPositiveIntegerConstantInClause( |
14937 | LoopHelper.NumIterations, OMPC_full, /*StrictlyPositive=*/false, |
14938 | /*SuppressExprDiags=*/true) |
14939 | .isUsable()) { |
14940 | Diag(AStmt->getBeginLoc(), diag::err_omp_unroll_full_variable_trip_count); |
14941 | Diag(FullClause->getBeginLoc(), diag::note_omp_directive_here) |
14942 | << "#pragma omp unroll full"; |
14943 | return StmtError(); |
14944 | } |
14945 | } |
14946 | |
14947 | // The generated loop may only be passed to other loop-associated directive |
14948 | // when a partial clause is specified. Without the requirement it is |
14949 | // sufficient to generate loop unroll metadata at code-generation. |
14950 | if (NumGeneratedLoops == 0) |
14951 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
14952 | NumGeneratedLoops, nullptr, nullptr); |
14953 | |
14954 | // Otherwise, we need to provide a de-sugared/transformed AST that can be |
14955 | // associated with another loop directive. |
14956 | // |
14957 | // The canonical loop analysis return by checkTransformableLoopNest assumes |
14958 | // the following structure to be the same loop without transformations or |
14959 | // directives applied: \code OriginalInits; LoopHelper.PreInits; |
14960 | // LoopHelper.Counters; |
14961 | // for (; IV < LoopHelper.NumIterations; ++IV) { |
14962 | // LoopHelper.Updates; |
14963 | // Body; |
14964 | // } |
14965 | // \endcode |
14966 | // where IV is a variable declared and initialized to 0 in LoopHelper.PreInits |
14967 | // and referenced by LoopHelper.IterationVarRef. |
14968 | // |
14969 | // The unrolling directive transforms this into the following loop: |
14970 | // \code |
14971 | // OriginalInits; \ |
14972 | // LoopHelper.PreInits; > NewPreInits |
14973 | // LoopHelper.Counters; / |
14974 | // for (auto UIV = 0; UIV < LoopHelper.NumIterations; UIV+=Factor) { |
14975 | // #pragma clang loop unroll_count(Factor) |
14976 | // for (IV = UIV; IV < UIV + Factor && UIV < LoopHelper.NumIterations; ++IV) |
14977 | // { |
14978 | // LoopHelper.Updates; |
14979 | // Body; |
14980 | // } |
14981 | // } |
14982 | // \endcode |
14983 | // where UIV is a new logical iteration counter. IV must be the same VarDecl |
14984 | // as the original LoopHelper.IterationVarRef because LoopHelper.Updates |
14985 | // references it. If the partially unrolled loop is associated with another |
14986 | // loop directive (like an OMPForDirective), it will use checkOpenMPLoop to |
14987 | // analyze this loop, i.e. the outer loop must fulfill the constraints of an |
14988 | // OpenMP canonical loop. The inner loop is not an associable canonical loop |
14989 | // and only exists to defer its unrolling to LLVM's LoopUnroll instead of |
14990 | // doing it in the frontend (by adding loop metadata). NewPreInits becomes a |
14991 | // property of the OMPLoopBasedDirective instead of statements in |
14992 | // CompoundStatement. This is to allow the loop to become a non-outermost loop |
14993 | // of a canonical loop nest where these PreInits are emitted before the |
14994 | // outermost directive. |
14995 | |
14996 | // Determine the PreInit declarations. |
14997 | SmallVector<Decl *, 4> PreInits; |
14998 | 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", 14999, __extension__ __PRETTY_FUNCTION__ )) |
14999 | "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", 14999, __extension__ __PRETTY_FUNCTION__ )); |
15000 | for (auto &P : OriginalInits[0]) { |
15001 | if (auto *D = P.dyn_cast<Decl *>()) |
15002 | PreInits.push_back(D); |
15003 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) |
15004 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
15005 | } |
15006 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) |
15007 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
15008 | // Gather declarations for the data members used as counters. |
15009 | for (Expr *CounterRef : LoopHelper.Counters) { |
15010 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); |
15011 | if (isa<OMPCapturedExprDecl>(CounterDecl)) |
15012 | PreInits.push_back(CounterDecl); |
15013 | } |
15014 | |
15015 | auto *IterationVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); |
15016 | QualType IVTy = IterationVarRef->getType(); |
15017 | 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", 15018, __extension__ __PRETTY_FUNCTION__ )) |
15018 | "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", 15018, __extension__ __PRETTY_FUNCTION__ )); |
15019 | auto *OrigVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); |
15020 | |
15021 | // Determine the unroll factor. |
15022 | uint64_t Factor; |
15023 | SourceLocation FactorLoc; |
15024 | if (Expr *FactorVal = PartialClause->getFactor()) { |
15025 | Factor = FactorVal->getIntegerConstantExpr(Context)->getZExtValue(); |
15026 | FactorLoc = FactorVal->getExprLoc(); |
15027 | } else { |
15028 | // TODO: Use a better profitability model. |
15029 | Factor = 2; |
15030 | } |
15031 | 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", 15031, __extension__ __PRETTY_FUNCTION__ )); |
15032 | auto MakeFactorExpr = [this, Factor, IVTy, FactorLoc]() { |
15033 | return IntegerLiteral::Create( |
15034 | Context, llvm::APInt(Context.getIntWidth(IVTy), Factor), IVTy, |
15035 | FactorLoc); |
15036 | }; |
15037 | |
15038 | // Iteration variable SourceLocations. |
15039 | SourceLocation OrigVarLoc = OrigVar->getExprLoc(); |
15040 | SourceLocation OrigVarLocBegin = OrigVar->getBeginLoc(); |
15041 | SourceLocation OrigVarLocEnd = OrigVar->getEndLoc(); |
15042 | |
15043 | // Internal variable names. |
15044 | std::string OrigVarName = OrigVar->getNameInfo().getAsString(); |
15045 | std::string OuterIVName = (Twine(".unrolled.iv.") + OrigVarName).str(); |
15046 | std::string InnerIVName = (Twine(".unroll_inner.iv.") + OrigVarName).str(); |
15047 | std::string InnerTripCountName = |
15048 | (Twine(".unroll_inner.tripcount.") + OrigVarName).str(); |
15049 | |
15050 | // Create the iteration variable for the unrolled loop. |
15051 | VarDecl *OuterIVDecl = |
15052 | buildVarDecl(*this, {}, IVTy, OuterIVName, nullptr, OrigVar); |
15053 | auto MakeOuterRef = [this, OuterIVDecl, IVTy, OrigVarLoc]() { |
15054 | return buildDeclRefExpr(*this, OuterIVDecl, IVTy, OrigVarLoc); |
15055 | }; |
15056 | |
15057 | // Iteration variable for the inner loop: Reuse the iteration variable created |
15058 | // by checkOpenMPLoop. |
15059 | auto *InnerIVDecl = cast<VarDecl>(IterationVarRef->getDecl()); |
15060 | InnerIVDecl->setDeclName(&PP.getIdentifierTable().get(InnerIVName)); |
15061 | auto MakeInnerRef = [this, InnerIVDecl, IVTy, OrigVarLoc]() { |
15062 | return buildDeclRefExpr(*this, InnerIVDecl, IVTy, OrigVarLoc); |
15063 | }; |
15064 | |
15065 | // Make a copy of the NumIterations expression for each use: By the AST |
15066 | // constraints, every expression object in a DeclContext must be unique. |
15067 | CaptureVars CopyTransformer(*this); |
15068 | auto MakeNumIterations = [&CopyTransformer, &LoopHelper]() -> Expr * { |
15069 | return AssertSuccess( |
15070 | CopyTransformer.TransformExpr(LoopHelper.NumIterations)); |
15071 | }; |
15072 | |
15073 | // Inner For init-statement: auto .unroll_inner.iv = .unrolled.iv |
15074 | ExprResult LValueConv = DefaultLvalueConversion(MakeOuterRef()); |
15075 | AddInitializerToDecl(InnerIVDecl, LValueConv.get(), /*DirectInit=*/false); |
15076 | StmtResult InnerInit = new (Context) |
15077 | DeclStmt(DeclGroupRef(InnerIVDecl), OrigVarLocBegin, OrigVarLocEnd); |
15078 | if (!InnerInit.isUsable()) |
15079 | return StmtError(); |
15080 | |
15081 | // Inner For cond-expression: |
15082 | // \code |
15083 | // .unroll_inner.iv < .unrolled.iv + Factor && |
15084 | // .unroll_inner.iv < NumIterations |
15085 | // \endcode |
15086 | // This conjunction of two conditions allows ScalarEvolution to derive the |
15087 | // maximum trip count of the inner loop. |
15088 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
15089 | BO_Add, MakeOuterRef(), MakeFactorExpr()); |
15090 | if (!EndOfTile.isUsable()) |
15091 | return StmtError(); |
15092 | ExprResult InnerCond1 = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
15093 | BO_LT, MakeInnerRef(), EndOfTile.get()); |
15094 | if (!InnerCond1.isUsable()) |
15095 | return StmtError(); |
15096 | ExprResult InnerCond2 = |
15097 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, MakeInnerRef(), |
15098 | MakeNumIterations()); |
15099 | if (!InnerCond2.isUsable()) |
15100 | return StmtError(); |
15101 | ExprResult InnerCond = |
15102 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LAnd, |
15103 | InnerCond1.get(), InnerCond2.get()); |
15104 | if (!InnerCond.isUsable()) |
15105 | return StmtError(); |
15106 | |
15107 | // Inner For incr-statement: ++.unroll_inner.iv |
15108 | ExprResult InnerIncr = BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), |
15109 | UO_PreInc, MakeInnerRef()); |
15110 | if (!InnerIncr.isUsable()) |
15111 | return StmtError(); |
15112 | |
15113 | // Inner For statement. |
15114 | SmallVector<Stmt *> InnerBodyStmts; |
15115 | InnerBodyStmts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); |
15116 | InnerBodyStmts.push_back(Body); |
15117 | CompoundStmt *InnerBody = |
15118 | CompoundStmt::Create(Context, InnerBodyStmts, FPOptionsOverride(), |
15119 | Body->getBeginLoc(), Body->getEndLoc()); |
15120 | ForStmt *InnerFor = new (Context) |
15121 | ForStmt(Context, InnerInit.get(), InnerCond.get(), nullptr, |
15122 | InnerIncr.get(), InnerBody, LoopHelper.Init->getBeginLoc(), |
15123 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
15124 | |
15125 | // Unroll metadata for the inner loop. |
15126 | // This needs to take into account the remainder portion of the unrolled loop, |
15127 | // hence `unroll(full)` does not apply here, even though the LoopUnroll pass |
15128 | // supports multiple loop exits. Instead, unroll using a factor equivalent to |
15129 | // the maximum trip count, which will also generate a remainder loop. Just |
15130 | // `unroll(enable)` (which could have been useful if the user has not |
15131 | // specified a concrete factor; even though the outer loop cannot be |
15132 | // influenced anymore, would avoid more code bloat than necessary) will refuse |
15133 | // the loop because "Won't unroll; remainder loop could not be generated when |
15134 | // assuming runtime trip count". Even if it did work, it must not choose a |
15135 | // larger unroll factor than the maximum loop length, or it would always just |
15136 | // execute the remainder loop. |
15137 | LoopHintAttr *UnrollHintAttr = |
15138 | LoopHintAttr::CreateImplicit(Context, LoopHintAttr::UnrollCount, |
15139 | LoopHintAttr::Numeric, MakeFactorExpr()); |
15140 | AttributedStmt *InnerUnrolled = |
15141 | AttributedStmt::Create(Context, StartLoc, {UnrollHintAttr}, InnerFor); |
15142 | |
15143 | // Outer For init-statement: auto .unrolled.iv = 0 |
15144 | AddInitializerToDecl( |
15145 | OuterIVDecl, ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), |
15146 | /*DirectInit=*/false); |
15147 | StmtResult OuterInit = new (Context) |
15148 | DeclStmt(DeclGroupRef(OuterIVDecl), OrigVarLocBegin, OrigVarLocEnd); |
15149 | if (!OuterInit.isUsable()) |
15150 | return StmtError(); |
15151 | |
15152 | // Outer For cond-expression: .unrolled.iv < NumIterations |
15153 | ExprResult OuterConde = |
15154 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, MakeOuterRef(), |
15155 | MakeNumIterations()); |
15156 | if (!OuterConde.isUsable()) |
15157 | return StmtError(); |
15158 | |
15159 | // Outer For incr-statement: .unrolled.iv += Factor |
15160 | ExprResult OuterIncr = |
15161 | BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), BO_AddAssign, |
15162 | MakeOuterRef(), MakeFactorExpr()); |
15163 | if (!OuterIncr.isUsable()) |
15164 | return StmtError(); |
15165 | |
15166 | // Outer For statement. |
15167 | ForStmt *OuterFor = new (Context) |
15168 | ForStmt(Context, OuterInit.get(), OuterConde.get(), nullptr, |
15169 | OuterIncr.get(), InnerUnrolled, LoopHelper.Init->getBeginLoc(), |
15170 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
15171 | |
15172 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
15173 | NumGeneratedLoops, OuterFor, |
15174 | buildPreInits(Context, PreInits)); |
15175 | } |
15176 | |
15177 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, |
15178 | SourceLocation StartLoc, |
15179 | SourceLocation LParenLoc, |
15180 | SourceLocation EndLoc) { |
15181 | OMPClause *Res = nullptr; |
15182 | switch (Kind) { |
15183 | case OMPC_final: |
15184 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); |
15185 | break; |
15186 | case OMPC_num_threads: |
15187 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); |
15188 | break; |
15189 | case OMPC_safelen: |
15190 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); |
15191 | break; |
15192 | case OMPC_simdlen: |
15193 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); |
15194 | break; |
15195 | case OMPC_allocator: |
15196 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); |
15197 | break; |
15198 | case OMPC_collapse: |
15199 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); |
15200 | break; |
15201 | case OMPC_ordered: |
15202 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); |
15203 | break; |
15204 | case OMPC_num_teams: |
15205 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); |
15206 | break; |
15207 | case OMPC_thread_limit: |
15208 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); |
15209 | break; |
15210 | case OMPC_priority: |
15211 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); |
15212 | break; |
15213 | case OMPC_hint: |
15214 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); |
15215 | break; |
15216 | case OMPC_depobj: |
15217 | Res = ActOnOpenMPDepobjClause(Expr, StartLoc, LParenLoc, EndLoc); |
15218 | break; |
15219 | case OMPC_detach: |
15220 | Res = ActOnOpenMPDetachClause(Expr, StartLoc, LParenLoc, EndLoc); |
15221 | break; |
15222 | case OMPC_novariants: |
15223 | Res = ActOnOpenMPNovariantsClause(Expr, StartLoc, LParenLoc, EndLoc); |
15224 | break; |
15225 | case OMPC_nocontext: |
15226 | Res = ActOnOpenMPNocontextClause(Expr, StartLoc, LParenLoc, EndLoc); |
15227 | break; |
15228 | case OMPC_filter: |
15229 | Res = ActOnOpenMPFilterClause(Expr, StartLoc, LParenLoc, EndLoc); |
15230 | break; |
15231 | case OMPC_partial: |
15232 | Res = ActOnOpenMPPartialClause(Expr, StartLoc, LParenLoc, EndLoc); |
15233 | break; |
15234 | case OMPC_message: |
15235 | Res = ActOnOpenMPMessageClause(Expr, StartLoc, LParenLoc, EndLoc); |
15236 | break; |
15237 | case OMPC_align: |
15238 | Res = ActOnOpenMPAlignClause(Expr, StartLoc, LParenLoc, EndLoc); |
15239 | break; |
15240 | case OMPC_ompx_dyn_cgroup_mem: |
15241 | Res = ActOnOpenMPXDynCGroupMemClause(Expr, StartLoc, LParenLoc, EndLoc); |
15242 | break; |
15243 | case OMPC_grainsize: |
15244 | case OMPC_num_tasks: |
15245 | case OMPC_device: |
15246 | case OMPC_if: |
15247 | case OMPC_default: |
15248 | case OMPC_proc_bind: |
15249 | case OMPC_schedule: |
15250 | case OMPC_private: |
15251 | case OMPC_firstprivate: |
15252 | case OMPC_lastprivate: |
15253 | case OMPC_shared: |
15254 | case OMPC_reduction: |
15255 | case OMPC_task_reduction: |
15256 | case OMPC_in_reduction: |
15257 | case OMPC_linear: |
15258 | case OMPC_aligned: |
15259 | case OMPC_copyin: |
15260 | case OMPC_copyprivate: |
15261 | case OMPC_nowait: |
15262 | case OMPC_untied: |
15263 | case OMPC_mergeable: |
15264 | case OMPC_threadprivate: |
15265 | case OMPC_sizes: |
15266 | case OMPC_allocate: |
15267 | case OMPC_flush: |
15268 | case OMPC_read: |
15269 | case OMPC_write: |
15270 | case OMPC_update: |
15271 | case OMPC_capture: |
15272 | case OMPC_compare: |
15273 | case OMPC_seq_cst: |
15274 | case OMPC_acq_rel: |
15275 | case OMPC_acquire: |
15276 | case OMPC_release: |
15277 | case OMPC_relaxed: |
15278 | case OMPC_depend: |
15279 | case OMPC_threads: |
15280 | case OMPC_simd: |
15281 | case OMPC_map: |
15282 | case OMPC_nogroup: |
15283 | case OMPC_dist_schedule: |
15284 | case OMPC_defaultmap: |
15285 | case OMPC_unknown: |
15286 | case OMPC_uniform: |
15287 | case OMPC_to: |
15288 | case OMPC_from: |
15289 | case OMPC_use_device_ptr: |
15290 | case OMPC_use_device_addr: |
15291 | case OMPC_is_device_ptr: |
15292 | case OMPC_unified_address: |
15293 | case OMPC_unified_shared_memory: |
15294 | case OMPC_reverse_offload: |
15295 | case OMPC_dynamic_allocators: |
15296 | case OMPC_atomic_default_mem_order: |
15297 | case OMPC_device_type: |
15298 | case OMPC_match: |
15299 | case OMPC_nontemporal: |
15300 | case OMPC_order: |
15301 | case OMPC_at: |
15302 | case OMPC_severity: |
15303 | case OMPC_destroy: |
15304 | case OMPC_inclusive: |
15305 | case OMPC_exclusive: |
15306 | case OMPC_uses_allocators: |
15307 | case OMPC_affinity: |
15308 | case OMPC_when: |
15309 | case OMPC_bind: |
15310 | default: |
15311 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 15311); |
15312 | } |
15313 | return Res; |
15314 | } |
15315 | |
15316 | // An OpenMP directive such as 'target parallel' has two captured regions: |
15317 | // for the 'target' and 'parallel' respectively. This function returns |
15318 | // the region in which to capture expressions associated with a clause. |
15319 | // A return value of OMPD_unknown signifies that the expression should not |
15320 | // be captured. |
15321 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( |
15322 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, unsigned OpenMPVersion, |
15323 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { |
15324 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
15325 | switch (CKind) { |
15326 | case OMPC_if: |
15327 | switch (DKind) { |
15328 | case OMPD_target_parallel_for_simd: |
15329 | if (OpenMPVersion >= 50 && |
15330 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
15331 | CaptureRegion = OMPD_parallel; |
15332 | break; |
15333 | } |
15334 | [[fallthrough]]; |
15335 | case OMPD_target_parallel: |
15336 | case OMPD_target_parallel_for: |
15337 | case OMPD_target_parallel_loop: |
15338 | // If this clause applies to the nested 'parallel' region, capture within |
15339 | // the 'target' region, otherwise do not capture. |
15340 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) |
15341 | CaptureRegion = OMPD_target; |
15342 | break; |
15343 | case OMPD_target_teams_distribute_parallel_for_simd: |
15344 | if (OpenMPVersion >= 50 && |
15345 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
15346 | CaptureRegion = OMPD_parallel; |
15347 | break; |
15348 | } |
15349 | [[fallthrough]]; |
15350 | case OMPD_target_teams_distribute_parallel_for: |
15351 | // If this clause applies to the nested 'parallel' region, capture within |
15352 | // the 'teams' region, otherwise do not capture. |
15353 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) |
15354 | CaptureRegion = OMPD_teams; |
15355 | break; |
15356 | case OMPD_teams_distribute_parallel_for_simd: |
15357 | if (OpenMPVersion >= 50 && |
15358 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
15359 | CaptureRegion = OMPD_parallel; |
15360 | break; |
15361 | } |
15362 | [[fallthrough]]; |
15363 | case OMPD_teams_distribute_parallel_for: |
15364 | CaptureRegion = OMPD_teams; |
15365 | break; |
15366 | case OMPD_target_update: |
15367 | case OMPD_target_enter_data: |
15368 | case OMPD_target_exit_data: |
15369 | CaptureRegion = OMPD_task; |
15370 | break; |
15371 | case OMPD_parallel_masked_taskloop: |
15372 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) |
15373 | CaptureRegion = OMPD_parallel; |
15374 | break; |
15375 | case OMPD_parallel_master_taskloop: |
15376 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) |
15377 | CaptureRegion = OMPD_parallel; |
15378 | break; |
15379 | case OMPD_parallel_masked_taskloop_simd: |
15380 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || |
15381 | NameModifier == OMPD_taskloop) { |
15382 | CaptureRegion = OMPD_parallel; |
15383 | break; |
15384 | } |
15385 | if (OpenMPVersion <= 45) |
15386 | break; |
15387 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
15388 | CaptureRegion = OMPD_taskloop; |
15389 | break; |
15390 | case OMPD_parallel_master_taskloop_simd: |
15391 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || |
15392 | NameModifier == OMPD_taskloop) { |
15393 | CaptureRegion = OMPD_parallel; |
15394 | break; |
15395 | } |
15396 | if (OpenMPVersion <= 45) |
15397 | break; |
15398 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
15399 | CaptureRegion = OMPD_taskloop; |
15400 | break; |
15401 | case OMPD_parallel_for_simd: |
15402 | if (OpenMPVersion <= 45) |
15403 | break; |
15404 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
15405 | CaptureRegion = OMPD_parallel; |
15406 | break; |
15407 | case OMPD_taskloop_simd: |
15408 | case OMPD_master_taskloop_simd: |
15409 | case OMPD_masked_taskloop_simd: |
15410 | if (OpenMPVersion <= 45) |
15411 | break; |
15412 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
15413 | CaptureRegion = OMPD_taskloop; |
15414 | break; |
15415 | case OMPD_distribute_parallel_for_simd: |
15416 | if (OpenMPVersion <= 45) |
15417 | break; |
15418 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
15419 | CaptureRegion = OMPD_parallel; |
15420 | break; |
15421 | case OMPD_target_simd: |
15422 | if (OpenMPVersion >= 50 && |
15423 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) |
15424 | CaptureRegion = OMPD_target; |
15425 | break; |
15426 | case OMPD_teams_distribute_simd: |
15427 | case OMPD_target_teams_distribute_simd: |
15428 | if (OpenMPVersion >= 50 && |
15429 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) |
15430 | CaptureRegion = OMPD_teams; |
15431 | break; |
15432 | case OMPD_cancel: |
15433 | case OMPD_parallel: |
15434 | case OMPD_parallel_master: |
15435 | case OMPD_parallel_masked: |
15436 | case OMPD_parallel_sections: |
15437 | case OMPD_parallel_for: |
15438 | case OMPD_parallel_loop: |
15439 | case OMPD_target: |
15440 | case OMPD_target_teams: |
15441 | case OMPD_target_teams_distribute: |
15442 | case OMPD_target_teams_loop: |
15443 | case OMPD_distribute_parallel_for: |
15444 | case OMPD_task: |
15445 | case OMPD_taskloop: |
15446 | case OMPD_master_taskloop: |
15447 | case OMPD_masked_taskloop: |
15448 | case OMPD_target_data: |
15449 | case OMPD_simd: |
15450 | case OMPD_for_simd: |
15451 | case OMPD_distribute_simd: |
15452 | // Do not capture if-clause expressions. |
15453 | break; |
15454 | case OMPD_threadprivate: |
15455 | case OMPD_allocate: |
15456 | case OMPD_taskyield: |
15457 | case OMPD_error: |
15458 | case OMPD_barrier: |
15459 | case OMPD_taskwait: |
15460 | case OMPD_cancellation_point: |
15461 | case OMPD_flush: |
15462 | case OMPD_depobj: |
15463 | case OMPD_scan: |
15464 | case OMPD_declare_reduction: |
15465 | case OMPD_declare_mapper: |
15466 | case OMPD_declare_simd: |
15467 | case OMPD_declare_variant: |
15468 | case OMPD_begin_declare_variant: |
15469 | case OMPD_end_declare_variant: |
15470 | case OMPD_declare_target: |
15471 | case OMPD_end_declare_target: |
15472 | case OMPD_loop: |
15473 | case OMPD_teams_loop: |
15474 | case OMPD_teams: |
15475 | case OMPD_tile: |
15476 | case OMPD_unroll: |
15477 | case OMPD_for: |
15478 | case OMPD_sections: |
15479 | case OMPD_section: |
15480 | case OMPD_single: |
15481 | case OMPD_master: |
15482 | case OMPD_masked: |
15483 | case OMPD_critical: |
15484 | case OMPD_taskgroup: |
15485 | case OMPD_distribute: |
15486 | case OMPD_ordered: |
15487 | case OMPD_atomic: |
15488 | case OMPD_teams_distribute: |
15489 | case OMPD_requires: |
15490 | case OMPD_metadirective: |
15491 | llvm_unreachable("Unexpected OpenMP directive with if-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with if-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15491); |
15492 | case OMPD_unknown: |
15493 | default: |
15494 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15494); |
15495 | } |
15496 | break; |
15497 | case OMPC_num_threads: |
15498 | switch (DKind) { |
15499 | case OMPD_target_parallel: |
15500 | case OMPD_target_parallel_for: |
15501 | case OMPD_target_parallel_for_simd: |
15502 | case OMPD_target_parallel_loop: |
15503 | CaptureRegion = OMPD_target; |
15504 | break; |
15505 | case OMPD_teams_distribute_parallel_for: |
15506 | case OMPD_teams_distribute_parallel_for_simd: |
15507 | case OMPD_target_teams_distribute_parallel_for: |
15508 | case OMPD_target_teams_distribute_parallel_for_simd: |
15509 | CaptureRegion = OMPD_teams; |
15510 | break; |
15511 | case OMPD_parallel: |
15512 | case OMPD_parallel_master: |
15513 | case OMPD_parallel_masked: |
15514 | case OMPD_parallel_sections: |
15515 | case OMPD_parallel_for: |
15516 | case OMPD_parallel_for_simd: |
15517 | case OMPD_parallel_loop: |
15518 | case OMPD_distribute_parallel_for: |
15519 | case OMPD_distribute_parallel_for_simd: |
15520 | case OMPD_parallel_master_taskloop: |
15521 | case OMPD_parallel_masked_taskloop: |
15522 | case OMPD_parallel_master_taskloop_simd: |
15523 | case OMPD_parallel_masked_taskloop_simd: |
15524 | // Do not capture num_threads-clause expressions. |
15525 | break; |
15526 | case OMPD_target_data: |
15527 | case OMPD_target_enter_data: |
15528 | case OMPD_target_exit_data: |
15529 | case OMPD_target_update: |
15530 | case OMPD_target: |
15531 | case OMPD_target_simd: |
15532 | case OMPD_target_teams: |
15533 | case OMPD_target_teams_distribute: |
15534 | case OMPD_target_teams_distribute_simd: |
15535 | case OMPD_cancel: |
15536 | case OMPD_task: |
15537 | case OMPD_taskloop: |
15538 | case OMPD_taskloop_simd: |
15539 | case OMPD_master_taskloop: |
15540 | case OMPD_masked_taskloop: |
15541 | case OMPD_master_taskloop_simd: |
15542 | case OMPD_masked_taskloop_simd: |
15543 | case OMPD_threadprivate: |
15544 | case OMPD_allocate: |
15545 | case OMPD_taskyield: |
15546 | case OMPD_error: |
15547 | case OMPD_barrier: |
15548 | case OMPD_taskwait: |
15549 | case OMPD_cancellation_point: |
15550 | case OMPD_flush: |
15551 | case OMPD_depobj: |
15552 | case OMPD_scan: |
15553 | case OMPD_declare_reduction: |
15554 | case OMPD_declare_mapper: |
15555 | case OMPD_declare_simd: |
15556 | case OMPD_declare_variant: |
15557 | case OMPD_begin_declare_variant: |
15558 | case OMPD_end_declare_variant: |
15559 | case OMPD_declare_target: |
15560 | case OMPD_end_declare_target: |
15561 | case OMPD_loop: |
15562 | case OMPD_teams_loop: |
15563 | case OMPD_target_teams_loop: |
15564 | case OMPD_teams: |
15565 | case OMPD_simd: |
15566 | case OMPD_tile: |
15567 | case OMPD_unroll: |
15568 | case OMPD_for: |
15569 | case OMPD_for_simd: |
15570 | case OMPD_sections: |
15571 | case OMPD_section: |
15572 | case OMPD_single: |
15573 | case OMPD_master: |
15574 | case OMPD_masked: |
15575 | case OMPD_critical: |
15576 | case OMPD_taskgroup: |
15577 | case OMPD_distribute: |
15578 | case OMPD_ordered: |
15579 | case OMPD_atomic: |
15580 | case OMPD_distribute_simd: |
15581 | case OMPD_teams_distribute: |
15582 | case OMPD_teams_distribute_simd: |
15583 | case OMPD_requires: |
15584 | case OMPD_metadirective: |
15585 | 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", 15585); |
15586 | case OMPD_unknown: |
15587 | default: |
15588 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15588); |
15589 | } |
15590 | break; |
15591 | case OMPC_num_teams: |
15592 | switch (DKind) { |
15593 | case OMPD_target_teams: |
15594 | case OMPD_target_teams_distribute: |
15595 | case OMPD_target_teams_distribute_simd: |
15596 | case OMPD_target_teams_distribute_parallel_for: |
15597 | case OMPD_target_teams_distribute_parallel_for_simd: |
15598 | case OMPD_target_teams_loop: |
15599 | CaptureRegion = OMPD_target; |
15600 | break; |
15601 | case OMPD_teams_distribute_parallel_for: |
15602 | case OMPD_teams_distribute_parallel_for_simd: |
15603 | case OMPD_teams: |
15604 | case OMPD_teams_distribute: |
15605 | case OMPD_teams_distribute_simd: |
15606 | case OMPD_teams_loop: |
15607 | // Do not capture num_teams-clause expressions. |
15608 | break; |
15609 | case OMPD_distribute_parallel_for: |
15610 | case OMPD_distribute_parallel_for_simd: |
15611 | case OMPD_task: |
15612 | case OMPD_taskloop: |
15613 | case OMPD_taskloop_simd: |
15614 | case OMPD_master_taskloop: |
15615 | case OMPD_masked_taskloop: |
15616 | case OMPD_master_taskloop_simd: |
15617 | case OMPD_masked_taskloop_simd: |
15618 | case OMPD_parallel_master_taskloop: |
15619 | case OMPD_parallel_masked_taskloop: |
15620 | case OMPD_parallel_master_taskloop_simd: |
15621 | case OMPD_parallel_masked_taskloop_simd: |
15622 | case OMPD_target_data: |
15623 | case OMPD_target_enter_data: |
15624 | case OMPD_target_exit_data: |
15625 | case OMPD_target_update: |
15626 | case OMPD_cancel: |
15627 | case OMPD_parallel: |
15628 | case OMPD_parallel_master: |
15629 | case OMPD_parallel_masked: |
15630 | case OMPD_parallel_sections: |
15631 | case OMPD_parallel_for: |
15632 | case OMPD_parallel_for_simd: |
15633 | case OMPD_parallel_loop: |
15634 | case OMPD_target: |
15635 | case OMPD_target_simd: |
15636 | case OMPD_target_parallel: |
15637 | case OMPD_target_parallel_for: |
15638 | case OMPD_target_parallel_for_simd: |
15639 | case OMPD_target_parallel_loop: |
15640 | case OMPD_threadprivate: |
15641 | case OMPD_allocate: |
15642 | case OMPD_taskyield: |
15643 | case OMPD_error: |
15644 | case OMPD_barrier: |
15645 | case OMPD_taskwait: |
15646 | case OMPD_cancellation_point: |
15647 | case OMPD_flush: |
15648 | case OMPD_depobj: |
15649 | case OMPD_scan: |
15650 | case OMPD_declare_reduction: |
15651 | case OMPD_declare_mapper: |
15652 | case OMPD_declare_simd: |
15653 | case OMPD_declare_variant: |
15654 | case OMPD_begin_declare_variant: |
15655 | case OMPD_end_declare_variant: |
15656 | case OMPD_declare_target: |
15657 | case OMPD_end_declare_target: |
15658 | case OMPD_loop: |
15659 | case OMPD_simd: |
15660 | case OMPD_tile: |
15661 | case OMPD_unroll: |
15662 | case OMPD_for: |
15663 | case OMPD_for_simd: |
15664 | case OMPD_sections: |
15665 | case OMPD_section: |
15666 | case OMPD_single: |
15667 | case OMPD_master: |
15668 | case OMPD_masked: |
15669 | case OMPD_critical: |
15670 | case OMPD_taskgroup: |
15671 | case OMPD_distribute: |
15672 | case OMPD_ordered: |
15673 | case OMPD_atomic: |
15674 | case OMPD_distribute_simd: |
15675 | case OMPD_requires: |
15676 | case OMPD_metadirective: |
15677 | 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", 15677); |
15678 | case OMPD_unknown: |
15679 | default: |
15680 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15680); |
15681 | } |
15682 | break; |
15683 | case OMPC_thread_limit: |
15684 | switch (DKind) { |
15685 | case OMPD_target: |
15686 | case OMPD_target_teams: |
15687 | case OMPD_target_teams_distribute: |
15688 | case OMPD_target_teams_distribute_simd: |
15689 | case OMPD_target_teams_distribute_parallel_for: |
15690 | case OMPD_target_teams_distribute_parallel_for_simd: |
15691 | case OMPD_target_teams_loop: |
15692 | CaptureRegion = OMPD_target; |
15693 | break; |
15694 | case OMPD_teams_distribute_parallel_for: |
15695 | case OMPD_teams_distribute_parallel_for_simd: |
15696 | case OMPD_teams: |
15697 | case OMPD_teams_distribute: |
15698 | case OMPD_teams_distribute_simd: |
15699 | case OMPD_teams_loop: |
15700 | // Do not capture thread_limit-clause expressions. |
15701 | break; |
15702 | case OMPD_distribute_parallel_for: |
15703 | case OMPD_distribute_parallel_for_simd: |
15704 | case OMPD_task: |
15705 | case OMPD_taskloop: |
15706 | case OMPD_taskloop_simd: |
15707 | case OMPD_master_taskloop: |
15708 | case OMPD_masked_taskloop: |
15709 | case OMPD_master_taskloop_simd: |
15710 | case OMPD_masked_taskloop_simd: |
15711 | case OMPD_parallel_master_taskloop: |
15712 | case OMPD_parallel_masked_taskloop: |
15713 | case OMPD_parallel_master_taskloop_simd: |
15714 | case OMPD_parallel_masked_taskloop_simd: |
15715 | case OMPD_target_data: |
15716 | case OMPD_target_enter_data: |
15717 | case OMPD_target_exit_data: |
15718 | case OMPD_target_update: |
15719 | case OMPD_cancel: |
15720 | case OMPD_parallel: |
15721 | case OMPD_parallel_master: |
15722 | case OMPD_parallel_masked: |
15723 | case OMPD_parallel_sections: |
15724 | case OMPD_parallel_for: |
15725 | case OMPD_parallel_for_simd: |
15726 | case OMPD_parallel_loop: |
15727 | case OMPD_target_simd: |
15728 | case OMPD_target_parallel: |
15729 | case OMPD_target_parallel_for: |
15730 | case OMPD_target_parallel_for_simd: |
15731 | case OMPD_target_parallel_loop: |
15732 | case OMPD_threadprivate: |
15733 | case OMPD_allocate: |
15734 | case OMPD_taskyield: |
15735 | case OMPD_error: |
15736 | case OMPD_barrier: |
15737 | case OMPD_taskwait: |
15738 | case OMPD_cancellation_point: |
15739 | case OMPD_flush: |
15740 | case OMPD_depobj: |
15741 | case OMPD_scan: |
15742 | case OMPD_declare_reduction: |
15743 | case OMPD_declare_mapper: |
15744 | case OMPD_declare_simd: |
15745 | case OMPD_declare_variant: |
15746 | case OMPD_begin_declare_variant: |
15747 | case OMPD_end_declare_variant: |
15748 | case OMPD_declare_target: |
15749 | case OMPD_end_declare_target: |
15750 | case OMPD_loop: |
15751 | case OMPD_simd: |
15752 | case OMPD_tile: |
15753 | case OMPD_unroll: |
15754 | case OMPD_for: |
15755 | case OMPD_for_simd: |
15756 | case OMPD_sections: |
15757 | case OMPD_section: |
15758 | case OMPD_single: |
15759 | case OMPD_master: |
15760 | case OMPD_masked: |
15761 | case OMPD_critical: |
15762 | case OMPD_taskgroup: |
15763 | case OMPD_distribute: |
15764 | case OMPD_ordered: |
15765 | case OMPD_atomic: |
15766 | case OMPD_distribute_simd: |
15767 | case OMPD_requires: |
15768 | case OMPD_metadirective: |
15769 | 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", 15769); |
15770 | case OMPD_unknown: |
15771 | default: |
15772 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15772); |
15773 | } |
15774 | break; |
15775 | case OMPC_schedule: |
15776 | switch (DKind) { |
15777 | case OMPD_parallel_for: |
15778 | case OMPD_parallel_for_simd: |
15779 | case OMPD_distribute_parallel_for: |
15780 | case OMPD_distribute_parallel_for_simd: |
15781 | case OMPD_teams_distribute_parallel_for: |
15782 | case OMPD_teams_distribute_parallel_for_simd: |
15783 | case OMPD_target_parallel_for: |
15784 | case OMPD_target_parallel_for_simd: |
15785 | case OMPD_target_teams_distribute_parallel_for: |
15786 | case OMPD_target_teams_distribute_parallel_for_simd: |
15787 | CaptureRegion = OMPD_parallel; |
15788 | break; |
15789 | case OMPD_for: |
15790 | case OMPD_for_simd: |
15791 | // Do not capture schedule-clause expressions. |
15792 | break; |
15793 | case OMPD_task: |
15794 | case OMPD_taskloop: |
15795 | case OMPD_taskloop_simd: |
15796 | case OMPD_master_taskloop: |
15797 | case OMPD_masked_taskloop: |
15798 | case OMPD_master_taskloop_simd: |
15799 | case OMPD_masked_taskloop_simd: |
15800 | case OMPD_parallel_master_taskloop: |
15801 | case OMPD_parallel_masked_taskloop: |
15802 | case OMPD_parallel_master_taskloop_simd: |
15803 | case OMPD_parallel_masked_taskloop_simd: |
15804 | case OMPD_target_data: |
15805 | case OMPD_target_enter_data: |
15806 | case OMPD_target_exit_data: |
15807 | case OMPD_target_update: |
15808 | case OMPD_teams: |
15809 | case OMPD_teams_distribute: |
15810 | case OMPD_teams_distribute_simd: |
15811 | case OMPD_target_teams_distribute: |
15812 | case OMPD_target_teams_distribute_simd: |
15813 | case OMPD_target: |
15814 | case OMPD_target_simd: |
15815 | case OMPD_target_parallel: |
15816 | case OMPD_cancel: |
15817 | case OMPD_parallel: |
15818 | case OMPD_parallel_master: |
15819 | case OMPD_parallel_masked: |
15820 | case OMPD_parallel_sections: |
15821 | case OMPD_threadprivate: |
15822 | case OMPD_allocate: |
15823 | case OMPD_taskyield: |
15824 | case OMPD_error: |
15825 | case OMPD_barrier: |
15826 | case OMPD_taskwait: |
15827 | case OMPD_cancellation_point: |
15828 | case OMPD_flush: |
15829 | case OMPD_depobj: |
15830 | case OMPD_scan: |
15831 | case OMPD_declare_reduction: |
15832 | case OMPD_declare_mapper: |
15833 | case OMPD_declare_simd: |
15834 | case OMPD_declare_variant: |
15835 | case OMPD_begin_declare_variant: |
15836 | case OMPD_end_declare_variant: |
15837 | case OMPD_declare_target: |
15838 | case OMPD_end_declare_target: |
15839 | case OMPD_loop: |
15840 | case OMPD_teams_loop: |
15841 | case OMPD_target_teams_loop: |
15842 | case OMPD_parallel_loop: |
15843 | case OMPD_target_parallel_loop: |
15844 | case OMPD_simd: |
15845 | case OMPD_tile: |
15846 | case OMPD_unroll: |
15847 | case OMPD_sections: |
15848 | case OMPD_section: |
15849 | case OMPD_single: |
15850 | case OMPD_master: |
15851 | case OMPD_masked: |
15852 | case OMPD_critical: |
15853 | case OMPD_taskgroup: |
15854 | case OMPD_distribute: |
15855 | case OMPD_ordered: |
15856 | case OMPD_atomic: |
15857 | case OMPD_distribute_simd: |
15858 | case OMPD_target_teams: |
15859 | case OMPD_requires: |
15860 | case OMPD_metadirective: |
15861 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "clang/lib/Sema/SemaOpenMP.cpp", 15861); |
15862 | case OMPD_unknown: |
15863 | default: |
15864 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15864); |
15865 | } |
15866 | break; |
15867 | case OMPC_dist_schedule: |
15868 | switch (DKind) { |
15869 | case OMPD_teams_distribute_parallel_for: |
15870 | case OMPD_teams_distribute_parallel_for_simd: |
15871 | case OMPD_teams_distribute: |
15872 | case OMPD_teams_distribute_simd: |
15873 | case OMPD_target_teams_distribute_parallel_for: |
15874 | case OMPD_target_teams_distribute_parallel_for_simd: |
15875 | case OMPD_target_teams_distribute: |
15876 | case OMPD_target_teams_distribute_simd: |
15877 | CaptureRegion = OMPD_teams; |
15878 | break; |
15879 | case OMPD_distribute_parallel_for: |
15880 | case OMPD_distribute_parallel_for_simd: |
15881 | case OMPD_distribute: |
15882 | case OMPD_distribute_simd: |
15883 | // Do not capture dist_schedule-clause expressions. |
15884 | break; |
15885 | case OMPD_parallel_for: |
15886 | case OMPD_parallel_for_simd: |
15887 | case OMPD_target_parallel_for_simd: |
15888 | case OMPD_target_parallel_for: |
15889 | case OMPD_task: |
15890 | case OMPD_taskloop: |
15891 | case OMPD_taskloop_simd: |
15892 | case OMPD_master_taskloop: |
15893 | case OMPD_masked_taskloop: |
15894 | case OMPD_master_taskloop_simd: |
15895 | case OMPD_masked_taskloop_simd: |
15896 | case OMPD_parallel_master_taskloop: |
15897 | case OMPD_parallel_masked_taskloop: |
15898 | case OMPD_parallel_master_taskloop_simd: |
15899 | case OMPD_parallel_masked_taskloop_simd: |
15900 | case OMPD_target_data: |
15901 | case OMPD_target_enter_data: |
15902 | case OMPD_target_exit_data: |
15903 | case OMPD_target_update: |
15904 | case OMPD_teams: |
15905 | case OMPD_target: |
15906 | case OMPD_target_simd: |
15907 | case OMPD_target_parallel: |
15908 | case OMPD_cancel: |
15909 | case OMPD_parallel: |
15910 | case OMPD_parallel_master: |
15911 | case OMPD_parallel_masked: |
15912 | case OMPD_parallel_sections: |
15913 | case OMPD_threadprivate: |
15914 | case OMPD_allocate: |
15915 | case OMPD_taskyield: |
15916 | case OMPD_error: |
15917 | case OMPD_barrier: |
15918 | case OMPD_taskwait: |
15919 | case OMPD_cancellation_point: |
15920 | case OMPD_flush: |
15921 | case OMPD_depobj: |
15922 | case OMPD_scan: |
15923 | case OMPD_declare_reduction: |
15924 | case OMPD_declare_mapper: |
15925 | case OMPD_declare_simd: |
15926 | case OMPD_declare_variant: |
15927 | case OMPD_begin_declare_variant: |
15928 | case OMPD_end_declare_variant: |
15929 | case OMPD_declare_target: |
15930 | case OMPD_end_declare_target: |
15931 | case OMPD_loop: |
15932 | case OMPD_teams_loop: |
15933 | case OMPD_target_teams_loop: |
15934 | case OMPD_parallel_loop: |
15935 | case OMPD_target_parallel_loop: |
15936 | case OMPD_simd: |
15937 | case OMPD_tile: |
15938 | case OMPD_unroll: |
15939 | case OMPD_for: |
15940 | case OMPD_for_simd: |
15941 | case OMPD_sections: |
15942 | case OMPD_section: |
15943 | case OMPD_single: |
15944 | case OMPD_master: |
15945 | case OMPD_masked: |
15946 | case OMPD_critical: |
15947 | case OMPD_taskgroup: |
15948 | case OMPD_ordered: |
15949 | case OMPD_atomic: |
15950 | case OMPD_target_teams: |
15951 | case OMPD_requires: |
15952 | case OMPD_metadirective: |
15953 | 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", 15953); |
15954 | case OMPD_unknown: |
15955 | default: |
15956 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15956); |
15957 | } |
15958 | break; |
15959 | case OMPC_ompx_dyn_cgroup_mem: |
15960 | switch (DKind) { |
15961 | case OMPD_target: |
15962 | case OMPD_target_simd: |
15963 | case OMPD_target_teams: |
15964 | case OMPD_target_parallel: |
15965 | case OMPD_target_teams_distribute: |
15966 | case OMPD_target_teams_distribute_simd: |
15967 | case OMPD_target_parallel_for: |
15968 | case OMPD_target_parallel_for_simd: |
15969 | case OMPD_target_parallel_loop: |
15970 | case OMPD_target_teams_distribute_parallel_for: |
15971 | case OMPD_target_teams_distribute_parallel_for_simd: |
15972 | case OMPD_target_teams_loop: |
15973 | CaptureRegion = OMPD_target; |
15974 | break; |
15975 | default: |
15976 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 15976); |
15977 | } |
15978 | break; |
15979 | case OMPC_device: |
15980 | switch (DKind) { |
15981 | case OMPD_target_update: |
15982 | case OMPD_target_enter_data: |
15983 | case OMPD_target_exit_data: |
15984 | case OMPD_target: |
15985 | case OMPD_target_simd: |
15986 | case OMPD_target_teams: |
15987 | case OMPD_target_parallel: |
15988 | case OMPD_target_teams_distribute: |
15989 | case OMPD_target_teams_distribute_simd: |
15990 | case OMPD_target_parallel_for: |
15991 | case OMPD_target_parallel_for_simd: |
15992 | case OMPD_target_parallel_loop: |
15993 | case OMPD_target_teams_distribute_parallel_for: |
15994 | case OMPD_target_teams_distribute_parallel_for_simd: |
15995 | case OMPD_target_teams_loop: |
15996 | case OMPD_dispatch: |
15997 | CaptureRegion = OMPD_task; |
15998 | break; |
15999 | case OMPD_target_data: |
16000 | case OMPD_interop: |
16001 | // Do not capture device-clause expressions. |
16002 | break; |
16003 | case OMPD_teams_distribute_parallel_for: |
16004 | case OMPD_teams_distribute_parallel_for_simd: |
16005 | case OMPD_teams: |
16006 | case OMPD_teams_distribute: |
16007 | case OMPD_teams_distribute_simd: |
16008 | case OMPD_distribute_parallel_for: |
16009 | case OMPD_distribute_parallel_for_simd: |
16010 | case OMPD_task: |
16011 | case OMPD_taskloop: |
16012 | case OMPD_taskloop_simd: |
16013 | case OMPD_master_taskloop: |
16014 | case OMPD_masked_taskloop: |
16015 | case OMPD_master_taskloop_simd: |
16016 | case OMPD_masked_taskloop_simd: |
16017 | case OMPD_parallel_master_taskloop: |
16018 | case OMPD_parallel_masked_taskloop: |
16019 | case OMPD_parallel_master_taskloop_simd: |
16020 | case OMPD_parallel_masked_taskloop_simd: |
16021 | case OMPD_cancel: |
16022 | case OMPD_parallel: |
16023 | case OMPD_parallel_master: |
16024 | case OMPD_parallel_masked: |
16025 | case OMPD_parallel_sections: |
16026 | case OMPD_parallel_for: |
16027 | case OMPD_parallel_for_simd: |
16028 | case OMPD_threadprivate: |
16029 | case OMPD_allocate: |
16030 | case OMPD_taskyield: |
16031 | case OMPD_error: |
16032 | case OMPD_barrier: |
16033 | case OMPD_taskwait: |
16034 | case OMPD_cancellation_point: |
16035 | case OMPD_flush: |
16036 | case OMPD_depobj: |
16037 | case OMPD_scan: |
16038 | case OMPD_declare_reduction: |
16039 | case OMPD_declare_mapper: |
16040 | case OMPD_declare_simd: |
16041 | case OMPD_declare_variant: |
16042 | case OMPD_begin_declare_variant: |
16043 | case OMPD_end_declare_variant: |
16044 | case OMPD_declare_target: |
16045 | case OMPD_end_declare_target: |
16046 | case OMPD_loop: |
16047 | case OMPD_teams_loop: |
16048 | case OMPD_parallel_loop: |
16049 | case OMPD_simd: |
16050 | case OMPD_tile: |
16051 | case OMPD_unroll: |
16052 | case OMPD_for: |
16053 | case OMPD_for_simd: |
16054 | case OMPD_sections: |
16055 | case OMPD_section: |
16056 | case OMPD_single: |
16057 | case OMPD_master: |
16058 | case OMPD_masked: |
16059 | case OMPD_critical: |
16060 | case OMPD_taskgroup: |
16061 | case OMPD_distribute: |
16062 | case OMPD_ordered: |
16063 | case OMPD_atomic: |
16064 | case OMPD_distribute_simd: |
16065 | case OMPD_requires: |
16066 | case OMPD_metadirective: |
16067 | llvm_unreachable("Unexpected OpenMP directive with device-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with device-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 16067); |
16068 | case OMPD_unknown: |
16069 | default: |
16070 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 16070); |
16071 | } |
16072 | break; |
16073 | case OMPC_grainsize: |
16074 | case OMPC_num_tasks: |
16075 | case OMPC_final: |
16076 | case OMPC_priority: |
16077 | switch (DKind) { |
16078 | case OMPD_task: |
16079 | case OMPD_taskloop: |
16080 | case OMPD_taskloop_simd: |
16081 | case OMPD_master_taskloop: |
16082 | case OMPD_masked_taskloop: |
16083 | case OMPD_master_taskloop_simd: |
16084 | case OMPD_masked_taskloop_simd: |
16085 | break; |
16086 | case OMPD_parallel_masked_taskloop: |
16087 | case OMPD_parallel_masked_taskloop_simd: |
16088 | case OMPD_parallel_master_taskloop: |
16089 | case OMPD_parallel_master_taskloop_simd: |
16090 | CaptureRegion = OMPD_parallel; |
16091 | break; |
16092 | case OMPD_target_update: |
16093 | case OMPD_target_enter_data: |
16094 | case OMPD_target_exit_data: |
16095 | case OMPD_target: |
16096 | case OMPD_target_simd: |
16097 | case OMPD_target_teams: |
16098 | case OMPD_target_parallel: |
16099 | case OMPD_target_teams_distribute: |
16100 | case OMPD_target_teams_distribute_simd: |
16101 | case OMPD_target_parallel_for: |
16102 | case OMPD_target_parallel_for_simd: |
16103 | case OMPD_target_teams_distribute_parallel_for: |
16104 | case OMPD_target_teams_distribute_parallel_for_simd: |
16105 | case OMPD_target_data: |
16106 | case OMPD_teams_distribute_parallel_for: |
16107 | case OMPD_teams_distribute_parallel_for_simd: |
16108 | case OMPD_teams: |
16109 | case OMPD_teams_distribute: |
16110 | case OMPD_teams_distribute_simd: |
16111 | case OMPD_distribute_parallel_for: |
16112 | case OMPD_distribute_parallel_for_simd: |
16113 | case OMPD_cancel: |
16114 | case OMPD_parallel: |
16115 | case OMPD_parallel_master: |
16116 | case OMPD_parallel_masked: |
16117 | case OMPD_parallel_sections: |
16118 | case OMPD_parallel_for: |
16119 | case OMPD_parallel_for_simd: |
16120 | case OMPD_threadprivate: |
16121 | case OMPD_allocate: |
16122 | case OMPD_taskyield: |
16123 | case OMPD_error: |
16124 | case OMPD_barrier: |
16125 | case OMPD_taskwait: |
16126 | case OMPD_cancellation_point: |
16127 | case OMPD_flush: |
16128 | case OMPD_depobj: |
16129 | case OMPD_scan: |
16130 | case OMPD_declare_reduction: |
16131 | case OMPD_declare_mapper: |
16132 | case OMPD_declare_simd: |
16133 | case OMPD_declare_variant: |
16134 | case OMPD_begin_declare_variant: |
16135 | case OMPD_end_declare_variant: |
16136 | case OMPD_declare_target: |
16137 | case OMPD_end_declare_target: |
16138 | case OMPD_loop: |
16139 | case OMPD_teams_loop: |
16140 | case OMPD_target_teams_loop: |
16141 | case OMPD_parallel_loop: |
16142 | case OMPD_target_parallel_loop: |
16143 | case OMPD_simd: |
16144 | case OMPD_tile: |
16145 | case OMPD_unroll: |
16146 | case OMPD_for: |
16147 | case OMPD_for_simd: |
16148 | case OMPD_sections: |
16149 | case OMPD_section: |
16150 | case OMPD_single: |
16151 | case OMPD_master: |
16152 | case OMPD_masked: |
16153 | case OMPD_critical: |
16154 | case OMPD_taskgroup: |
16155 | case OMPD_distribute: |
16156 | case OMPD_ordered: |
16157 | case OMPD_atomic: |
16158 | case OMPD_distribute_simd: |
16159 | case OMPD_requires: |
16160 | case OMPD_metadirective: |
16161 | llvm_unreachable("Unexpected OpenMP directive with grainsize-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with grainsize-clause" , "clang/lib/Sema/SemaOpenMP.cpp", 16161); |
16162 | case OMPD_unknown: |
16163 | default: |
16164 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 16164); |
16165 | } |
16166 | break; |
16167 | case OMPC_novariants: |
16168 | case OMPC_nocontext: |
16169 | switch (DKind) { |
16170 | case OMPD_dispatch: |
16171 | CaptureRegion = OMPD_task; |
16172 | break; |
16173 | default: |
16174 | llvm_unreachable("Unexpected OpenMP directive")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive" , "clang/lib/Sema/SemaOpenMP.cpp", 16174); |
16175 | } |
16176 | break; |
16177 | case OMPC_filter: |
16178 | // Do not capture filter-clause expressions. |
16179 | break; |
16180 | case OMPC_when: |
16181 | if (DKind == OMPD_metadirective) { |
16182 | CaptureRegion = OMPD_metadirective; |
16183 | } else if (DKind == OMPD_unknown) { |
16184 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "clang/lib/Sema/SemaOpenMP.cpp", 16184); |
16185 | } else { |
16186 | llvm_unreachable("Unexpected OpenMP directive with when clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with when clause" , "clang/lib/Sema/SemaOpenMP.cpp", 16186); |
16187 | } |
16188 | break; |
16189 | case OMPC_firstprivate: |
16190 | case OMPC_lastprivate: |
16191 | case OMPC_reduction: |
16192 | case OMPC_task_reduction: |
16193 | case OMPC_in_reduction: |
16194 | case OMPC_linear: |
16195 | case OMPC_default: |
16196 | case OMPC_proc_bind: |
16197 | case OMPC_safelen: |
16198 | case OMPC_simdlen: |
16199 | case OMPC_sizes: |
16200 | case OMPC_allocator: |
16201 | case OMPC_collapse: |
16202 | case OMPC_private: |
16203 | case OMPC_shared: |
16204 | case OMPC_aligned: |
16205 | case OMPC_copyin: |
16206 | case OMPC_copyprivate: |
16207 | case OMPC_ordered: |
16208 | case OMPC_nowait: |
16209 | case OMPC_untied: |
16210 | case OMPC_mergeable: |
16211 | case OMPC_threadprivate: |
16212 | case OMPC_allocate: |
16213 | case OMPC_flush: |
16214 | case OMPC_depobj: |
16215 | case OMPC_read: |
16216 | case OMPC_write: |
16217 | case OMPC_update: |
16218 | case OMPC_capture: |
16219 | case OMPC_compare: |
16220 | case OMPC_seq_cst: |
16221 | case OMPC_acq_rel: |
16222 | case OMPC_acquire: |
16223 | case OMPC_release: |
16224 | case OMPC_relaxed: |
16225 | case OMPC_depend: |
16226 | case OMPC_threads: |
16227 | case OMPC_simd: |
16228 | case OMPC_map: |
16229 | case OMPC_nogroup: |
16230 | case OMPC_hint: |
16231 | case OMPC_defaultmap: |
16232 | case OMPC_unknown: |
16233 | case OMPC_uniform: |
16234 | case OMPC_to: |
16235 | case OMPC_from: |
16236 | case OMPC_use_device_ptr: |
16237 | case OMPC_use_device_addr: |
16238 | case OMPC_is_device_ptr: |
16239 | case OMPC_unified_address: |
16240 | case OMPC_unified_shared_memory: |
16241 | case OMPC_reverse_offload: |
16242 | case OMPC_dynamic_allocators: |
16243 | case OMPC_atomic_default_mem_order: |
16244 | case OMPC_device_type: |
16245 | case OMPC_match: |
16246 | case OMPC_nontemporal: |
16247 | case OMPC_order: |
16248 | case OMPC_at: |
16249 | case OMPC_severity: |
16250 | case OMPC_message: |
16251 | case OMPC_destroy: |
16252 | case OMPC_detach: |
16253 | case OMPC_inclusive: |
16254 | case OMPC_exclusive: |
16255 | case OMPC_uses_allocators: |
16256 | case OMPC_affinity: |
16257 | case OMPC_bind: |
16258 | default: |
16259 | llvm_unreachable("Unexpected OpenMP clause.")::llvm::llvm_unreachable_internal("Unexpected OpenMP clause." , "clang/lib/Sema/SemaOpenMP.cpp", 16259); |
16260 | } |
16261 | return CaptureRegion; |
16262 | } |
16263 | |
16264 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, |
16265 | Expr *Condition, SourceLocation StartLoc, |
16266 | SourceLocation LParenLoc, |
16267 | SourceLocation NameModifierLoc, |
16268 | SourceLocation ColonLoc, |
16269 | SourceLocation EndLoc) { |
16270 | Expr *ValExpr = Condition; |
16271 | Stmt *HelperValStmt = nullptr; |
16272 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
16273 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
16274 | !Condition->isInstantiationDependent() && |
16275 | !Condition->containsUnexpandedParameterPack()) { |
16276 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
16277 | if (Val.isInvalid()) |
16278 | return nullptr; |
16279 | |
16280 | ValExpr = Val.get(); |
16281 | |
16282 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
16283 | CaptureRegion = getOpenMPCaptureRegionForClause( |
16284 | DKind, OMPC_if, LangOpts.OpenMP, NameModifier); |
16285 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
16286 | ValExpr = MakeFullExpr(ValExpr).get(); |
16287 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16288 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
16289 | HelperValStmt = buildPreInits(Context, Captures); |
16290 | } |
16291 | } |
16292 | |
16293 | return new (Context) |
16294 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, |
16295 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); |
16296 | } |
16297 | |
16298 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, |
16299 | SourceLocation StartLoc, |
16300 | SourceLocation LParenLoc, |
16301 | SourceLocation EndLoc) { |
16302 | Expr *ValExpr = Condition; |
16303 | Stmt *HelperValStmt = nullptr; |
16304 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
16305 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
16306 | !Condition->isInstantiationDependent() && |
16307 | !Condition->containsUnexpandedParameterPack()) { |
16308 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
16309 | if (Val.isInvalid()) |
16310 | return nullptr; |
16311 | |
16312 | ValExpr = MakeFullExpr(Val.get()).get(); |
16313 | |
16314 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
16315 | CaptureRegion = |
16316 | getOpenMPCaptureRegionForClause(DKind, OMPC_final, LangOpts.OpenMP); |
16317 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
16318 | ValExpr = MakeFullExpr(ValExpr).get(); |
16319 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16320 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
16321 | HelperValStmt = buildPreInits(Context, Captures); |
16322 | } |
16323 | } |
16324 | |
16325 | return new (Context) OMPFinalClause(ValExpr, HelperValStmt, CaptureRegion, |
16326 | StartLoc, LParenLoc, EndLoc); |
16327 | } |
16328 | |
16329 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, |
16330 | Expr *Op) { |
16331 | if (!Op) |
16332 | return ExprError(); |
16333 | |
16334 | class IntConvertDiagnoser : public ICEConvertDiagnoser { |
16335 | public: |
16336 | IntConvertDiagnoser() |
16337 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} |
16338 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, |
16339 | QualType T) override { |
16340 | return S.Diag(Loc, diag::err_omp_not_integral) << T; |
16341 | } |
16342 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, |
16343 | QualType T) override { |
16344 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; |
16345 | } |
16346 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, |
16347 | QualType T, |
16348 | QualType ConvTy) override { |
16349 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; |
16350 | } |
16351 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, |
16352 | QualType ConvTy) override { |
16353 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) |
16354 | << ConvTy->isEnumeralType() << ConvTy; |
16355 | } |
16356 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, |
16357 | QualType T) override { |
16358 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; |
16359 | } |
16360 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, |
16361 | QualType ConvTy) override { |
16362 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) |
16363 | << ConvTy->isEnumeralType() << ConvTy; |
16364 | } |
16365 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, |
16366 | QualType) override { |
16367 | llvm_unreachable("conversion functions are permitted")::llvm::llvm_unreachable_internal("conversion functions are permitted" , "clang/lib/Sema/SemaOpenMP.cpp", 16367); |
16368 | } |
16369 | } ConvertDiagnoser; |
16370 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); |
16371 | } |
16372 | |
16373 | static bool |
16374 | isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, |
16375 | bool StrictlyPositive, bool BuildCapture = false, |
16376 | OpenMPDirectiveKind DKind = OMPD_unknown, |
16377 | OpenMPDirectiveKind *CaptureRegion = nullptr, |
16378 | Stmt **HelperValStmt = nullptr) { |
16379 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && |
16380 | !ValExpr->isInstantiationDependent()) { |
16381 | SourceLocation Loc = ValExpr->getExprLoc(); |
16382 | ExprResult Value = |
16383 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); |
16384 | if (Value.isInvalid()) |
16385 | return false; |
16386 | |
16387 | ValExpr = Value.get(); |
16388 | // The expression must evaluate to a non-negative integer value. |
16389 | if (std::optional<llvm::APSInt> Result = |
16390 | ValExpr->getIntegerConstantExpr(SemaRef.Context)) { |
16391 | if (Result->isSigned() && |
16392 | !((!StrictlyPositive && Result->isNonNegative()) || |
16393 | (StrictlyPositive && Result->isStrictlyPositive()))) { |
16394 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) |
16395 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) |
16396 | << ValExpr->getSourceRange(); |
16397 | return false; |
16398 | } |
16399 | } |
16400 | if (!BuildCapture) |
16401 | return true; |
16402 | *CaptureRegion = |
16403 | getOpenMPCaptureRegionForClause(DKind, CKind, SemaRef.LangOpts.OpenMP); |
16404 | if (*CaptureRegion != OMPD_unknown && |
16405 | !SemaRef.CurContext->isDependentContext()) { |
16406 | ValExpr = SemaRef.MakeFullExpr(ValExpr).get(); |
16407 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16408 | ValExpr = tryBuildCapture(SemaRef, ValExpr, Captures).get(); |
16409 | *HelperValStmt = buildPreInits(SemaRef.Context, Captures); |
16410 | } |
16411 | } |
16412 | return true; |
16413 | } |
16414 | |
16415 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, |
16416 | SourceLocation StartLoc, |
16417 | SourceLocation LParenLoc, |
16418 | SourceLocation EndLoc) { |
16419 | Expr *ValExpr = NumThreads; |
16420 | Stmt *HelperValStmt = nullptr; |
16421 | |
16422 | // OpenMP [2.5, Restrictions] |
16423 | // The num_threads expression must evaluate to a positive integer value. |
16424 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, |
16425 | /*StrictlyPositive=*/true)) |
16426 | return nullptr; |
16427 | |
16428 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
16429 | OpenMPDirectiveKind CaptureRegion = |
16430 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads, LangOpts.OpenMP); |
16431 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
16432 | ValExpr = MakeFullExpr(ValExpr).get(); |
16433 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
16434 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
16435 | HelperValStmt = buildPreInits(Context, Captures); |
16436 | } |
16437 | |
16438 | return new (Context) OMPNumThreadsClause( |
16439 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
16440 | } |
16441 | |
16442 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, |
16443 | OpenMPClauseKind CKind, |
16444 | bool StrictlyPositive, |
16445 | bool SuppressExprDiags) { |
16446 | if (!E) |
16447 | return ExprError(); |
16448 | if (E->isValueDependent() || E->isTypeDependent() || |
16449 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
16450 | return E; |
16451 | |
16452 | llvm::APSInt Result; |
16453 | ExprResult ICE; |
16454 | if (SuppressExprDiags) { |
16455 | // Use a custom diagnoser that suppresses 'note' diagnostics about the |
16456 | // expression. |
16457 | struct SuppressedDiagnoser : public Sema::VerifyICEDiagnoser { |
16458 | SuppressedDiagnoser() : VerifyICEDiagnoser(/*Suppress=*/true) {} |
16459 | Sema::SemaDiagnosticBuilder diagnoseNotICE(Sema &S, |
16460 | SourceLocation Loc) override { |
16461 | llvm_unreachable("Diagnostic suppressed")::llvm::llvm_unreachable_internal("Diagnostic suppressed", "clang/lib/Sema/SemaOpenMP.cpp" , 16461); |
16462 | } |
16463 | } Diagnoser; |
16464 | ICE = VerifyIntegerConstantExpression(E, &Result, Diagnoser, AllowFold); |
16465 | } else { |
16466 | ICE = VerifyIntegerConstantExpression(E, &Result, /*FIXME*/ AllowFold); |
16467 | } |
16468 | if (ICE.isInvalid()) |
16469 | return ExprError(); |
16470 | |
16471 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || |
16472 | (!StrictlyPositive && !Result.isNonNegative())) { |
16473 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) |
16474 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) |
16475 | << E->getSourceRange(); |
16476 | return ExprError(); |
16477 | } |
16478 | if ((CKind == OMPC_aligned || CKind == OMPC_align) && !Result.isPowerOf2()) { |
16479 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) |
16480 | << E->getSourceRange(); |
16481 | return ExprError(); |
16482 | } |
16483 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) |
16484 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); |
16485 | else if (CKind == OMPC_ordered) |
16486 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); |
16487 | return ICE; |
16488 | } |
16489 | |
16490 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, |
16491 | SourceLocation LParenLoc, |
16492 | SourceLocation EndLoc) { |
16493 | // OpenMP [2.8.1, simd construct, Description] |
16494 | // The parameter of the safelen clause must be a constant |
16495 | // positive integer expression. |
16496 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); |
16497 | if (Safelen.isInvalid()) |
16498 | return nullptr; |
16499 | return new (Context) |
16500 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); |
16501 | } |
16502 | |
16503 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, |
16504 | SourceLocation LParenLoc, |
16505 | SourceLocation EndLoc) { |
16506 | // OpenMP [2.8.1, simd construct, Description] |
16507 | // The parameter of the simdlen clause must be a constant |
16508 | // positive integer expression. |
16509 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); |
16510 | if (Simdlen.isInvalid()) |
16511 | return nullptr; |
16512 | return new (Context) |
16513 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); |
16514 | } |
16515 | |
16516 | /// Tries to find omp_allocator_handle_t type. |
16517 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, |
16518 | DSAStackTy *Stack) { |
16519 | if (!Stack->getOMPAllocatorHandleT().isNull()) |
16520 | return true; |
16521 | |
16522 | // Set the allocator handle type. |
16523 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_allocator_handle_t"); |
16524 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); |
16525 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
16526 | S.Diag(Loc, diag::err_omp_implied_type_not_found) |
16527 | << "omp_allocator_handle_t"; |
16528 | return false; |
16529 | } |
16530 | QualType AllocatorHandleEnumTy = PT.get(); |
16531 | AllocatorHandleEnumTy.addConst(); |
16532 | Stack->setOMPAllocatorHandleT(AllocatorHandleEnumTy); |
16533 | |
16534 | // Fill the predefined allocator map. |
16535 | bool ErrorFound = false; |
16536 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
16537 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
16538 | StringRef Allocator = |
16539 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); |
16540 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); |
16541 | auto *VD = dyn_cast_or_null<ValueDecl>( |
16542 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); |
16543 | if (!VD) { |
16544 | ErrorFound = true; |
16545 | break; |
16546 | } |
16547 | QualType AllocatorType = |
16548 | VD->getType().getNonLValueExprType(S.getASTContext()); |
16549 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); |
16550 | if (!Res.isUsable()) { |
16551 | ErrorFound = true; |
16552 | break; |
16553 | } |
16554 | Res = S.PerformImplicitConversion(Res.get(), AllocatorHandleEnumTy, |
16555 | Sema::AA_Initializing, |
16556 | /* AllowExplicit */ true); |
16557 | if (!Res.isUsable()) { |
16558 | ErrorFound = true; |
16559 | break; |
16560 | } |
16561 | Stack->setAllocator(AllocatorKind, Res.get()); |
16562 | } |
16563 | if (ErrorFound) { |
16564 | S.Diag(Loc, diag::err_omp_implied_type_not_found) |
16565 | << "omp_allocator_handle_t"; |
16566 | return false; |
16567 | } |
16568 | |
16569 | return true; |
16570 | } |
16571 | |
16572 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, |
16573 | SourceLocation LParenLoc, |
16574 | SourceLocation EndLoc) { |
16575 | // OpenMP [2.11.3, allocate Directive, Description] |
16576 | // allocator is an expression of omp_allocator_handle_t type. |
16577 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
16578 | return nullptr; |
16579 | |
16580 | ExprResult Allocator = DefaultLvalueConversion(A); |
16581 | if (Allocator.isInvalid()) |
16582 | return nullptr; |
16583 | Allocator = PerformImplicitConversion(Allocator.get(), |
16584 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
16585 | Sema::AA_Initializing, |
16586 | /*AllowExplicit=*/true); |
16587 | if (Allocator.isInvalid()) |
16588 | return nullptr; |
16589 | return new (Context) |
16590 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); |
16591 | } |
16592 | |
16593 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, |
16594 | SourceLocation StartLoc, |
16595 | SourceLocation LParenLoc, |
16596 | SourceLocation EndLoc) { |
16597 | // OpenMP [2.7.1, loop construct, Description] |
16598 | // OpenMP [2.8.1, simd construct, Description] |
16599 | // OpenMP [2.9.6, distribute construct, Description] |
16600 | // The parameter of the collapse clause must be a constant |
16601 | // positive integer expression. |
16602 | ExprResult NumForLoopsResult = |
16603 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); |
16604 | if (NumForLoopsResult.isInvalid()) |
16605 | return nullptr; |
16606 | return new (Context) |
16607 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); |
16608 | } |
16609 | |
16610 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, |
16611 | SourceLocation EndLoc, |
16612 | SourceLocation LParenLoc, |
16613 | Expr *NumForLoops) { |
16614 | // OpenMP [2.7.1, loop construct, Description] |
16615 | // OpenMP [2.8.1, simd construct, Description] |
16616 | // OpenMP [2.9.6, distribute construct, Description] |
16617 | // The parameter of the ordered clause must be a constant |
16618 | // positive integer expression if any. |
16619 | if (NumForLoops && LParenLoc.isValid()) { |
16620 | ExprResult NumForLoopsResult = |
16621 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); |
16622 | if (NumForLoopsResult.isInvalid()) |
16623 | return nullptr; |
16624 | NumForLoops = NumForLoopsResult.get(); |
16625 | } else { |
16626 | NumForLoops = nullptr; |
16627 | } |
16628 | auto *Clause = OMPOrderedClause::Create( |
16629 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, |
16630 | StartLoc, LParenLoc, EndLoc); |
16631 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); |
16632 | return Clause; |
16633 | } |
16634 | |
16635 | OMPClause *Sema::ActOnOpenMPSimpleClause( |
16636 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, |
16637 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
16638 | OMPClause *Res = nullptr; |
16639 | switch (Kind) { |
16640 | case OMPC_default: |
16641 | Res = ActOnOpenMPDefaultClause(static_cast<DefaultKind>(Argument), |
16642 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
16643 | break; |
16644 | case OMPC_proc_bind: |
16645 | Res = ActOnOpenMPProcBindClause(static_cast<ProcBindKind>(Argument), |
16646 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
16647 | break; |
16648 | case OMPC_atomic_default_mem_order: |
16649 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( |
16650 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), |
16651 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
16652 | break; |
16653 | case OMPC_update: |
16654 | Res = ActOnOpenMPUpdateClause(static_cast<OpenMPDependClauseKind>(Argument), |
16655 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
16656 | break; |
16657 | case OMPC_bind: |
16658 | Res = ActOnOpenMPBindClause(static_cast<OpenMPBindClauseKind>(Argument), |
16659 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
16660 | break; |
16661 | case OMPC_at: |
16662 | Res = ActOnOpenMPAtClause(static_cast<OpenMPAtClauseKind>(Argument), |
16663 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
16664 | break; |
16665 | case OMPC_severity: |
16666 | Res = ActOnOpenMPSeverityClause( |
16667 | static_cast<OpenMPSeverityClauseKind>(Argument), ArgumentLoc, StartLoc, |
16668 | LParenLoc, EndLoc); |
16669 | break; |
16670 | case OMPC_if: |
16671 | case OMPC_final: |
16672 | case OMPC_num_threads: |
16673 | case OMPC_safelen: |
16674 | case OMPC_simdlen: |
16675 | case OMPC_sizes: |
16676 | case OMPC_allocator: |
16677 | case OMPC_collapse: |
16678 | case OMPC_schedule: |
16679 | case OMPC_private: |
16680 | case OMPC_firstprivate: |
16681 | case OMPC_lastprivate: |
16682 | case OMPC_shared: |
16683 | case OMPC_reduction: |
16684 | case OMPC_task_reduction: |
16685 | case OMPC_in_reduction: |
16686 | case OMPC_linear: |
16687 | case OMPC_aligned: |
16688 | case OMPC_copyin: |
16689 | case OMPC_copyprivate: |
16690 | case OMPC_ordered: |
16691 | case OMPC_nowait: |
16692 | case OMPC_untied: |
16693 | case OMPC_mergeable: |
16694 | case OMPC_threadprivate: |
16695 | case OMPC_allocate: |
16696 | case OMPC_flush: |
16697 | case OMPC_depobj: |
16698 | case OMPC_read: |
16699 | case OMPC_write: |
16700 | case OMPC_capture: |
16701 | case OMPC_compare: |
16702 | case OMPC_seq_cst: |
16703 | case OMPC_acq_rel: |
16704 | case OMPC_acquire: |
16705 | case OMPC_release: |
16706 | case OMPC_relaxed: |
16707 | case OMPC_depend: |
16708 | case OMPC_device: |
16709 | case OMPC_threads: |
16710 | case OMPC_simd: |
16711 | case OMPC_map: |
16712 | case OMPC_num_teams: |
16713 | case OMPC_thread_limit: |
16714 | case OMPC_priority: |
16715 | case OMPC_grainsize: |
16716 | case OMPC_nogroup: |
16717 | case OMPC_num_tasks: |
16718 | case OMPC_hint: |
16719 | case OMPC_dist_schedule: |
16720 | case OMPC_defaultmap: |
16721 | case OMPC_unknown: |
16722 | case OMPC_uniform: |
16723 | case OMPC_to: |
16724 | case OMPC_from: |
16725 | case OMPC_use_device_ptr: |
16726 | case OMPC_use_device_addr: |
16727 | case OMPC_is_device_ptr: |
16728 | case OMPC_has_device_addr: |
16729 | case OMPC_unified_address: |
16730 | case OMPC_unified_shared_memory: |
16731 | case OMPC_reverse_offload: |
16732 | case OMPC_dynamic_allocators: |
16733 | case OMPC_device_type: |
16734 | case OMPC_match: |
16735 | case OMPC_nontemporal: |
16736 | case OMPC_destroy: |
16737 | case OMPC_novariants: |
16738 | case OMPC_nocontext: |
16739 | case OMPC_detach: |
16740 | case OMPC_inclusive: |
16741 | case OMPC_exclusive: |
16742 | case OMPC_uses_allocators: |
16743 | case OMPC_affinity: |
16744 | case OMPC_when: |
16745 | case OMPC_message: |
16746 | default: |
16747 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 16747); |
16748 | } |
16749 | return Res; |
16750 | } |
16751 | |
16752 | static std::string |
16753 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, |
16754 | ArrayRef<unsigned> Exclude = std::nullopt) { |
16755 | SmallString<256> Buffer; |
16756 | llvm::raw_svector_ostream Out(Buffer); |
16757 | unsigned Skipped = Exclude.size(); |
16758 | for (unsigned I = First; I < Last; ++I) { |
16759 | if (llvm::is_contained(Exclude, I)) { |
16760 | --Skipped; |
16761 | continue; |
16762 | } |
16763 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; |
16764 | if (I + Skipped + 2 == Last) |
16765 | Out << " or "; |
16766 | else if (I + Skipped + 1 != Last) |
16767 | Out << ", "; |
16768 | } |
16769 | return std::string(Out.str()); |
16770 | } |
16771 | |
16772 | OMPClause *Sema::ActOnOpenMPDefaultClause(DefaultKind Kind, |
16773 | SourceLocation KindKwLoc, |
16774 | SourceLocation StartLoc, |
16775 | SourceLocation LParenLoc, |
16776 | SourceLocation EndLoc) { |
16777 | if (Kind == OMP_DEFAULT_unknown) { |
16778 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16779 | << getListOfPossibleValues(OMPC_default, /*First=*/0, |
16780 | /*Last=*/unsigned(OMP_DEFAULT_unknown)) |
16781 | << getOpenMPClauseName(OMPC_default); |
16782 | return nullptr; |
16783 | } |
16784 | |
16785 | switch (Kind) { |
16786 | case OMP_DEFAULT_none: |
16787 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); |
16788 | break; |
16789 | case OMP_DEFAULT_shared: |
16790 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); |
16791 | break; |
16792 | case OMP_DEFAULT_firstprivate: |
16793 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAFirstPrivate(KindKwLoc); |
16794 | break; |
16795 | case OMP_DEFAULT_private: |
16796 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAPrivate(KindKwLoc); |
16797 | break; |
16798 | default: |
16799 | llvm_unreachable("DSA unexpected in OpenMP default clause")::llvm::llvm_unreachable_internal("DSA unexpected in OpenMP default clause" , "clang/lib/Sema/SemaOpenMP.cpp", 16799); |
16800 | } |
16801 | |
16802 | return new (Context) |
16803 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
16804 | } |
16805 | |
16806 | OMPClause *Sema::ActOnOpenMPProcBindClause(ProcBindKind Kind, |
16807 | SourceLocation KindKwLoc, |
16808 | SourceLocation StartLoc, |
16809 | SourceLocation LParenLoc, |
16810 | SourceLocation EndLoc) { |
16811 | if (Kind == OMP_PROC_BIND_unknown) { |
16812 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16813 | << getListOfPossibleValues(OMPC_proc_bind, |
16814 | /*First=*/unsigned(OMP_PROC_BIND_master), |
16815 | /*Last=*/ |
16816 | unsigned(LangOpts.OpenMP > 50 |
16817 | ? OMP_PROC_BIND_primary |
16818 | : OMP_PROC_BIND_spread) + |
16819 | 1) |
16820 | << getOpenMPClauseName(OMPC_proc_bind); |
16821 | return nullptr; |
16822 | } |
16823 | if (Kind == OMP_PROC_BIND_primary && LangOpts.OpenMP < 51) |
16824 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16825 | << getListOfPossibleValues(OMPC_proc_bind, |
16826 | /*First=*/unsigned(OMP_PROC_BIND_master), |
16827 | /*Last=*/ |
16828 | unsigned(OMP_PROC_BIND_spread) + 1) |
16829 | << getOpenMPClauseName(OMPC_proc_bind); |
16830 | return new (Context) |
16831 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
16832 | } |
16833 | |
16834 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( |
16835 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, |
16836 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
16837 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { |
16838 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16839 | << getListOfPossibleValues( |
16840 | OMPC_atomic_default_mem_order, /*First=*/0, |
16841 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) |
16842 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); |
16843 | return nullptr; |
16844 | } |
16845 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, |
16846 | LParenLoc, EndLoc); |
16847 | } |
16848 | |
16849 | OMPClause *Sema::ActOnOpenMPAtClause(OpenMPAtClauseKind Kind, |
16850 | SourceLocation KindKwLoc, |
16851 | SourceLocation StartLoc, |
16852 | SourceLocation LParenLoc, |
16853 | SourceLocation EndLoc) { |
16854 | if (Kind == OMPC_AT_unknown) { |
16855 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16856 | << getListOfPossibleValues(OMPC_at, /*First=*/0, |
16857 | /*Last=*/OMPC_AT_unknown) |
16858 | << getOpenMPClauseName(OMPC_at); |
16859 | return nullptr; |
16860 | } |
16861 | return new (Context) |
16862 | OMPAtClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
16863 | } |
16864 | |
16865 | OMPClause *Sema::ActOnOpenMPSeverityClause(OpenMPSeverityClauseKind Kind, |
16866 | SourceLocation KindKwLoc, |
16867 | SourceLocation StartLoc, |
16868 | SourceLocation LParenLoc, |
16869 | SourceLocation EndLoc) { |
16870 | if (Kind == OMPC_SEVERITY_unknown) { |
16871 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16872 | << getListOfPossibleValues(OMPC_severity, /*First=*/0, |
16873 | /*Last=*/OMPC_SEVERITY_unknown) |
16874 | << getOpenMPClauseName(OMPC_severity); |
16875 | return nullptr; |
16876 | } |
16877 | return new (Context) |
16878 | OMPSeverityClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
16879 | } |
16880 | |
16881 | OMPClause *Sema::ActOnOpenMPMessageClause(Expr *ME, SourceLocation StartLoc, |
16882 | SourceLocation LParenLoc, |
16883 | SourceLocation EndLoc) { |
16884 | assert(ME && "NULL expr in Message clause")(static_cast <bool> (ME && "NULL expr in Message clause" ) ? void (0) : __assert_fail ("ME && \"NULL expr in Message clause\"" , "clang/lib/Sema/SemaOpenMP.cpp", 16884, __extension__ __PRETTY_FUNCTION__ )); |
16885 | if (!isa<StringLiteral>(ME)) { |
16886 | Diag(ME->getBeginLoc(), diag::warn_clause_expected_string) |
16887 | << getOpenMPClauseName(OMPC_message); |
16888 | return nullptr; |
16889 | } |
16890 | return new (Context) OMPMessageClause(ME, StartLoc, LParenLoc, EndLoc); |
16891 | } |
16892 | |
16893 | OMPClause *Sema::ActOnOpenMPOrderClause( |
16894 | OpenMPOrderClauseModifier Modifier, OpenMPOrderClauseKind Kind, |
16895 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, |
16896 | SourceLocation KindLoc, SourceLocation EndLoc) { |
16897 | if (Kind != OMPC_ORDER_concurrent || |
16898 | (LangOpts.OpenMP < 51 && MLoc.isValid())) { |
16899 | // Kind should be concurrent, |
16900 | // Modifiers introduced in OpenMP 5.1 |
16901 | static_assert(OMPC_ORDER_unknown > 0, |
16902 | "OMPC_ORDER_unknown not greater than 0"); |
16903 | |
16904 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
16905 | << getListOfPossibleValues(OMPC_order, |
16906 | /*First=*/0, |
16907 | /*Last=*/OMPC_ORDER_unknown) |
16908 | << getOpenMPClauseName(OMPC_order); |
16909 | return nullptr; |
16910 | } |
16911 | if (LangOpts.OpenMP >= 51) { |
16912 | if (Modifier == OMPC_ORDER_MODIFIER_unknown && MLoc.isValid()) { |
16913 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
16914 | << getListOfPossibleValues(OMPC_order, |
16915 | /*First=*/OMPC_ORDER_MODIFIER_unknown + 1, |
16916 | /*Last=*/OMPC_ORDER_MODIFIER_last) |
16917 | << getOpenMPClauseName(OMPC_order); |
16918 | } else { |
16919 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setRegionHasOrderConcurrent(/*HasOrderConcurrent=*/true); |
16920 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()) { |
16921 | // mark the current scope with 'order' flag |
16922 | unsigned existingFlags = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()->getFlags(); |
16923 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()->setFlags(existingFlags | |
16924 | Scope::OpenMPOrderClauseScope); |
16925 | } |
16926 | } |
16927 | } |
16928 | return new (Context) OMPOrderClause(Kind, KindLoc, StartLoc, LParenLoc, |
16929 | EndLoc, Modifier, MLoc); |
16930 | } |
16931 | |
16932 | OMPClause *Sema::ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, |
16933 | SourceLocation KindKwLoc, |
16934 | SourceLocation StartLoc, |
16935 | SourceLocation LParenLoc, |
16936 | SourceLocation EndLoc) { |
16937 | if (Kind == OMPC_DEPEND_unknown || Kind == OMPC_DEPEND_source || |
16938 | Kind == OMPC_DEPEND_sink || Kind == OMPC_DEPEND_depobj) { |
16939 | SmallVector<unsigned> Except = { |
16940 | OMPC_DEPEND_source, OMPC_DEPEND_sink, OMPC_DEPEND_depobj, |
16941 | OMPC_DEPEND_outallmemory, OMPC_DEPEND_inoutallmemory}; |
16942 | if (LangOpts.OpenMP < 51) |
16943 | Except.push_back(OMPC_DEPEND_inoutset); |
16944 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
16945 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, |
16946 | /*Last=*/OMPC_DEPEND_unknown, Except) |
16947 | << getOpenMPClauseName(OMPC_update); |
16948 | return nullptr; |
16949 | } |
16950 | return OMPUpdateClause::Create(Context, StartLoc, LParenLoc, KindKwLoc, Kind, |
16951 | EndLoc); |
16952 | } |
16953 | |
16954 | OMPClause *Sema::ActOnOpenMPSizesClause(ArrayRef<Expr *> SizeExprs, |
16955 | SourceLocation StartLoc, |
16956 | SourceLocation LParenLoc, |
16957 | SourceLocation EndLoc) { |
16958 | for (Expr *SizeExpr : SizeExprs) { |
16959 | ExprResult NumForLoopsResult = VerifyPositiveIntegerConstantInClause( |
16960 | SizeExpr, OMPC_sizes, /*StrictlyPositive=*/true); |
16961 | if (!NumForLoopsResult.isUsable()) |
16962 | return nullptr; |
16963 | } |
16964 | |
16965 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(SizeExprs.size()); |
16966 | return OMPSizesClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
16967 | SizeExprs); |
16968 | } |
16969 | |
16970 | OMPClause *Sema::ActOnOpenMPFullClause(SourceLocation StartLoc, |
16971 | SourceLocation EndLoc) { |
16972 | return OMPFullClause::Create(Context, StartLoc, EndLoc); |
16973 | } |
16974 | |
16975 | OMPClause *Sema::ActOnOpenMPPartialClause(Expr *FactorExpr, |
16976 | SourceLocation StartLoc, |
16977 | SourceLocation LParenLoc, |
16978 | SourceLocation EndLoc) { |
16979 | if (FactorExpr) { |
16980 | // If an argument is specified, it must be a constant (or an unevaluated |
16981 | // template expression). |
16982 | ExprResult FactorResult = VerifyPositiveIntegerConstantInClause( |
16983 | FactorExpr, OMPC_partial, /*StrictlyPositive=*/true); |
16984 | if (FactorResult.isInvalid()) |
16985 | return nullptr; |
16986 | FactorExpr = FactorResult.get(); |
16987 | } |
16988 | |
16989 | return OMPPartialClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
16990 | FactorExpr); |
16991 | } |
16992 | |
16993 | OMPClause *Sema::ActOnOpenMPAlignClause(Expr *A, SourceLocation StartLoc, |
16994 | SourceLocation LParenLoc, |
16995 | SourceLocation EndLoc) { |
16996 | ExprResult AlignVal; |
16997 | AlignVal = VerifyPositiveIntegerConstantInClause(A, OMPC_align); |
16998 | if (AlignVal.isInvalid()) |
16999 | return nullptr; |
17000 | return OMPAlignClause::Create(Context, AlignVal.get(), StartLoc, LParenLoc, |
17001 | EndLoc); |
17002 | } |
17003 | |
17004 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( |
17005 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, |
17006 | SourceLocation StartLoc, SourceLocation LParenLoc, |
17007 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, |
17008 | SourceLocation EndLoc) { |
17009 | OMPClause *Res = nullptr; |
17010 | switch (Kind) { |
17011 | case OMPC_schedule: |
17012 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; |
17013 | 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", 17014, __extension__ __PRETTY_FUNCTION__ )) |
17014 | 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", 17014, __extension__ __PRETTY_FUNCTION__ )); |
17015 | Res = ActOnOpenMPScheduleClause( |
17016 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), |
17017 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), |
17018 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, |
17019 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], |
17020 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); |
17021 | break; |
17022 | case OMPC_if: |
17023 | 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", 17023, __extension__ __PRETTY_FUNCTION__ )); |
17024 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), |
17025 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), |
17026 | DelimLoc, EndLoc); |
17027 | break; |
17028 | case OMPC_dist_schedule: |
17029 | Res = ActOnOpenMPDistScheduleClause( |
17030 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, |
17031 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); |
17032 | break; |
17033 | case OMPC_defaultmap: |
17034 | enum { Modifier, DefaultmapKind }; |
17035 | Res = ActOnOpenMPDefaultmapClause( |
17036 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), |
17037 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), |
17038 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], |
17039 | EndLoc); |
17040 | break; |
17041 | case OMPC_order: |
17042 | enum { OrderModifier, OrderKind }; |
17043 | Res = ActOnOpenMPOrderClause( |
17044 | static_cast<OpenMPOrderClauseModifier>(Argument[OrderModifier]), |
17045 | static_cast<OpenMPOrderClauseKind>(Argument[OrderKind]), StartLoc, |
17046 | LParenLoc, ArgumentLoc[OrderModifier], ArgumentLoc[OrderKind], EndLoc); |
17047 | break; |
17048 | case OMPC_device: |
17049 | 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", 17049, __extension__ __PRETTY_FUNCTION__ )); |
17050 | Res = ActOnOpenMPDeviceClause( |
17051 | static_cast<OpenMPDeviceClauseModifier>(Argument.back()), Expr, |
17052 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); |
17053 | break; |
17054 | case OMPC_grainsize: |
17055 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1 &&(static_cast <bool> (Argument.size() == 1 && ArgumentLoc .size() == 1 && "Modifier for grainsize clause and its location are expected." ) ? void (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1 && \"Modifier for grainsize clause and its location are expected.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17056, __extension__ __PRETTY_FUNCTION__ )) |
17056 | "Modifier for grainsize clause and its location are expected.")(static_cast <bool> (Argument.size() == 1 && ArgumentLoc .size() == 1 && "Modifier for grainsize clause and its location are expected." ) ? void (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1 && \"Modifier for grainsize clause and its location are expected.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17056, __extension__ __PRETTY_FUNCTION__ )); |
17057 | Res = ActOnOpenMPGrainsizeClause( |
17058 | static_cast<OpenMPGrainsizeClauseModifier>(Argument.back()), Expr, |
17059 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); |
17060 | break; |
17061 | case OMPC_num_tasks: |
17062 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1 &&(static_cast <bool> (Argument.size() == 1 && ArgumentLoc .size() == 1 && "Modifier for num_tasks clause and its location are expected." ) ? void (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1 && \"Modifier for num_tasks clause and its location are expected.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17063, __extension__ __PRETTY_FUNCTION__ )) |
17063 | "Modifier for num_tasks clause and its location are expected.")(static_cast <bool> (Argument.size() == 1 && ArgumentLoc .size() == 1 && "Modifier for num_tasks clause and its location are expected." ) ? void (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1 && \"Modifier for num_tasks clause and its location are expected.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 17063, __extension__ __PRETTY_FUNCTION__ )); |
17064 | Res = ActOnOpenMPNumTasksClause( |
17065 | static_cast<OpenMPNumTasksClauseModifier>(Argument.back()), Expr, |
17066 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); |
17067 | break; |
17068 | case OMPC_final: |
17069 | case OMPC_num_threads: |
17070 | case OMPC_safelen: |
17071 | case OMPC_simdlen: |
17072 | case OMPC_sizes: |
17073 | case OMPC_allocator: |
17074 | case OMPC_collapse: |
17075 | case OMPC_default: |
17076 | case OMPC_proc_bind: |
17077 | case OMPC_private: |
17078 | case OMPC_firstprivate: |
17079 | case OMPC_lastprivate: |
17080 | case OMPC_shared: |
17081 | case OMPC_reduction: |
17082 | case OMPC_task_reduction: |
17083 | case OMPC_in_reduction: |
17084 | case OMPC_linear: |
17085 | case OMPC_aligned: |
17086 | case OMPC_copyin: |
17087 | case OMPC_copyprivate: |
17088 | case OMPC_ordered: |
17089 | case OMPC_nowait: |
17090 | case OMPC_untied: |
17091 | case OMPC_mergeable: |
17092 | case OMPC_threadprivate: |
17093 | case OMPC_allocate: |
17094 | case OMPC_flush: |
17095 | case OMPC_depobj: |
17096 | case OMPC_read: |
17097 | case OMPC_write: |
17098 | case OMPC_update: |
17099 | case OMPC_capture: |
17100 | case OMPC_compare: |
17101 | case OMPC_seq_cst: |
17102 | case OMPC_acq_rel: |
17103 | case OMPC_acquire: |
17104 | case OMPC_release: |
17105 | case OMPC_relaxed: |
17106 | case OMPC_depend: |
17107 | case OMPC_threads: |
17108 | case OMPC_simd: |
17109 | case OMPC_map: |
17110 | case OMPC_num_teams: |
17111 | case OMPC_thread_limit: |
17112 | case OMPC_priority: |
17113 | case OMPC_nogroup: |
17114 | case OMPC_hint: |
17115 | case OMPC_unknown: |
17116 | case OMPC_uniform: |
17117 | case OMPC_to: |
17118 | case OMPC_from: |
17119 | case OMPC_use_device_ptr: |
17120 | case OMPC_use_device_addr: |
17121 | case OMPC_is_device_ptr: |
17122 | case OMPC_has_device_addr: |
17123 | case OMPC_unified_address: |
17124 | case OMPC_unified_shared_memory: |
17125 | case OMPC_reverse_offload: |
17126 | case OMPC_dynamic_allocators: |
17127 | case OMPC_atomic_default_mem_order: |
17128 | case OMPC_device_type: |
17129 | case OMPC_match: |
17130 | case OMPC_nontemporal: |
17131 | case OMPC_at: |
17132 | case OMPC_severity: |
17133 | case OMPC_message: |
17134 | case OMPC_destroy: |
17135 | case OMPC_novariants: |
17136 | case OMPC_nocontext: |
17137 | case OMPC_detach: |
17138 | case OMPC_inclusive: |
17139 | case OMPC_exclusive: |
17140 | case OMPC_uses_allocators: |
17141 | case OMPC_affinity: |
17142 | case OMPC_when: |
17143 | case OMPC_bind: |
17144 | default: |
17145 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 17145); |
17146 | } |
17147 | return Res; |
17148 | } |
17149 | |
17150 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, |
17151 | OpenMPScheduleClauseModifier M2, |
17152 | SourceLocation M1Loc, SourceLocation M2Loc) { |
17153 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { |
17154 | SmallVector<unsigned, 2> Excluded; |
17155 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) |
17156 | Excluded.push_back(M2); |
17157 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) |
17158 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); |
17159 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) |
17160 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); |
17161 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) |
17162 | << getListOfPossibleValues(OMPC_schedule, |
17163 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, |
17164 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, |
17165 | Excluded) |
17166 | << getOpenMPClauseName(OMPC_schedule); |
17167 | return true; |
17168 | } |
17169 | return false; |
17170 | } |
17171 | |
17172 | OMPClause *Sema::ActOnOpenMPScheduleClause( |
17173 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, |
17174 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, |
17175 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, |
17176 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { |
17177 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || |
17178 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) |
17179 | return nullptr; |
17180 | // OpenMP, 2.7.1, Loop Construct, Restrictions |
17181 | // Either the monotonic modifier or the nonmonotonic modifier can be specified |
17182 | // but not both. |
17183 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || |
17184 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && |
17185 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || |
17186 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && |
17187 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { |
17188 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) |
17189 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) |
17190 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); |
17191 | return nullptr; |
17192 | } |
17193 | if (Kind == OMPC_SCHEDULE_unknown) { |
17194 | std::string Values; |
17195 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { |
17196 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; |
17197 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, |
17198 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, |
17199 | Exclude); |
17200 | } else { |
17201 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, |
17202 | /*Last=*/OMPC_SCHEDULE_unknown); |
17203 | } |
17204 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
17205 | << Values << getOpenMPClauseName(OMPC_schedule); |
17206 | return nullptr; |
17207 | } |
17208 | // OpenMP, 2.7.1, Loop Construct, Restrictions |
17209 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or |
17210 | // schedule(guided). |
17211 | // OpenMP 5.0 does not have this restriction. |
17212 | if (LangOpts.OpenMP < 50 && |
17213 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || |
17214 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && |
17215 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { |
17216 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, |
17217 | diag::err_omp_schedule_nonmonotonic_static); |
17218 | return nullptr; |
17219 | } |
17220 | Expr *ValExpr = ChunkSize; |
17221 | Stmt *HelperValStmt = nullptr; |
17222 | if (ChunkSize) { |
17223 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && |
17224 | !ChunkSize->isInstantiationDependent() && |
17225 | !ChunkSize->containsUnexpandedParameterPack()) { |
17226 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); |
17227 | ExprResult Val = |
17228 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); |
17229 | if (Val.isInvalid()) |
17230 | return nullptr; |
17231 | |
17232 | ValExpr = Val.get(); |
17233 | |
17234 | // OpenMP [2.7.1, Restrictions] |
17235 | // chunk_size must be a loop invariant integer expression with a positive |
17236 | // value. |
17237 | if (std::optional<llvm::APSInt> Result = |
17238 | ValExpr->getIntegerConstantExpr(Context)) { |
17239 | if (Result->isSigned() && !Result->isStrictlyPositive()) { |
17240 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) |
17241 | << "schedule" << 1 << ChunkSize->getSourceRange(); |
17242 | return nullptr; |
17243 | } |
17244 | } else if (getOpenMPCaptureRegionForClause( |
17245 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule, |
17246 | LangOpts.OpenMP) != OMPD_unknown && |
17247 | !CurContext->isDependentContext()) { |
17248 | ValExpr = MakeFullExpr(ValExpr).get(); |
17249 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
17250 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
17251 | HelperValStmt = buildPreInits(Context, Captures); |
17252 | } |
17253 | } |
17254 | } |
17255 | |
17256 | return new (Context) |
17257 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, |
17258 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); |
17259 | } |
17260 | |
17261 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, |
17262 | SourceLocation StartLoc, |
17263 | SourceLocation EndLoc) { |
17264 | OMPClause *Res = nullptr; |
17265 | switch (Kind) { |
17266 | case OMPC_ordered: |
17267 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); |
17268 | break; |
17269 | case OMPC_nowait: |
17270 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); |
17271 | break; |
17272 | case OMPC_untied: |
17273 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); |
17274 | break; |
17275 | case OMPC_mergeable: |
17276 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); |
17277 | break; |
17278 | case OMPC_read: |
17279 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); |
17280 | break; |
17281 | case OMPC_write: |
17282 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); |
17283 | break; |
17284 | case OMPC_update: |
17285 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); |
17286 | break; |
17287 | case OMPC_capture: |
17288 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); |
17289 | break; |
17290 | case OMPC_compare: |
17291 | Res = ActOnOpenMPCompareClause(StartLoc, EndLoc); |
17292 | break; |
17293 | case OMPC_seq_cst: |
17294 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); |
17295 | break; |
17296 | case OMPC_acq_rel: |
17297 | Res = ActOnOpenMPAcqRelClause(StartLoc, EndLoc); |
17298 | break; |
17299 | case OMPC_acquire: |
17300 | Res = ActOnOpenMPAcquireClause(StartLoc, EndLoc); |
17301 | break; |
17302 | case OMPC_release: |
17303 | Res = ActOnOpenMPReleaseClause(StartLoc, EndLoc); |
17304 | break; |
17305 | case OMPC_relaxed: |
17306 | Res = ActOnOpenMPRelaxedClause(StartLoc, EndLoc); |
17307 | break; |
17308 | case OMPC_threads: |
17309 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); |
17310 | break; |
17311 | case OMPC_simd: |
17312 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); |
17313 | break; |
17314 | case OMPC_nogroup: |
17315 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); |
17316 | break; |
17317 | case OMPC_unified_address: |
17318 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); |
17319 | break; |
17320 | case OMPC_unified_shared_memory: |
17321 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); |
17322 | break; |
17323 | case OMPC_reverse_offload: |
17324 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); |
17325 | break; |
17326 | case OMPC_dynamic_allocators: |
17327 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); |
17328 | break; |
17329 | case OMPC_destroy: |
17330 | Res = ActOnOpenMPDestroyClause(/*InteropVar=*/nullptr, StartLoc, |
17331 | /*LParenLoc=*/SourceLocation(), |
17332 | /*VarLoc=*/SourceLocation(), EndLoc); |
17333 | break; |
17334 | case OMPC_full: |
17335 | Res = ActOnOpenMPFullClause(StartLoc, EndLoc); |
17336 | break; |
17337 | case OMPC_partial: |
17338 | Res = ActOnOpenMPPartialClause(nullptr, StartLoc, /*LParenLoc=*/{}, EndLoc); |
17339 | break; |
17340 | case OMPC_if: |
17341 | case OMPC_final: |
17342 | case OMPC_num_threads: |
17343 | case OMPC_safelen: |
17344 | case OMPC_simdlen: |
17345 | case OMPC_sizes: |
17346 | case OMPC_allocator: |
17347 | case OMPC_collapse: |
17348 | case OMPC_schedule: |
17349 | case OMPC_private: |
17350 | case OMPC_firstprivate: |
17351 | case OMPC_lastprivate: |
17352 | case OMPC_shared: |
17353 | case OMPC_reduction: |
17354 | case OMPC_task_reduction: |
17355 | case OMPC_in_reduction: |
17356 | case OMPC_linear: |
17357 | case OMPC_aligned: |
17358 | case OMPC_copyin: |
17359 | case OMPC_copyprivate: |
17360 | case OMPC_default: |
17361 | case OMPC_proc_bind: |
17362 | case OMPC_threadprivate: |
17363 | case OMPC_allocate: |
17364 | case OMPC_flush: |
17365 | case OMPC_depobj: |
17366 | case OMPC_depend: |
17367 | case OMPC_device: |
17368 | case OMPC_map: |
17369 | case OMPC_num_teams: |
17370 | case OMPC_thread_limit: |
17371 | case OMPC_priority: |
17372 | case OMPC_grainsize: |
17373 | case OMPC_num_tasks: |
17374 | case OMPC_hint: |
17375 | case OMPC_dist_schedule: |
17376 | case OMPC_defaultmap: |
17377 | case OMPC_unknown: |
17378 | case OMPC_uniform: |
17379 | case OMPC_to: |
17380 | case OMPC_from: |
17381 | case OMPC_use_device_ptr: |
17382 | case OMPC_use_device_addr: |
17383 | case OMPC_is_device_ptr: |
17384 | case OMPC_has_device_addr: |
17385 | case OMPC_atomic_default_mem_order: |
17386 | case OMPC_device_type: |
17387 | case OMPC_match: |
17388 | case OMPC_nontemporal: |
17389 | case OMPC_order: |
17390 | case OMPC_at: |
17391 | case OMPC_severity: |
17392 | case OMPC_message: |
17393 | case OMPC_novariants: |
17394 | case OMPC_nocontext: |
17395 | case OMPC_detach: |
17396 | case OMPC_inclusive: |
17397 | case OMPC_exclusive: |
17398 | case OMPC_uses_allocators: |
17399 | case OMPC_affinity: |
17400 | case OMPC_when: |
17401 | case OMPC_ompx_dyn_cgroup_mem: |
17402 | default: |
17403 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 17403); |
17404 | } |
17405 | return Res; |
17406 | } |
17407 | |
17408 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, |
17409 | SourceLocation EndLoc) { |
17410 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); |
17411 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); |
17412 | } |
17413 | |
17414 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, |
17415 | SourceLocation EndLoc) { |
17416 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setUntiedRegion(); |
17417 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); |
17418 | } |
17419 | |
17420 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, |
17421 | SourceLocation EndLoc) { |
17422 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); |
17423 | } |
17424 | |
17425 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, |
17426 | SourceLocation EndLoc) { |
17427 | return new (Context) OMPReadClause(StartLoc, EndLoc); |
17428 | } |
17429 | |
17430 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, |
17431 | SourceLocation EndLoc) { |
17432 | return new (Context) OMPWriteClause(StartLoc, EndLoc); |
17433 | } |
17434 | |
17435 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, |
17436 | SourceLocation EndLoc) { |
17437 | return OMPUpdateClause::Create(Context, StartLoc, EndLoc); |
17438 | } |
17439 | |
17440 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, |
17441 | SourceLocation EndLoc) { |
17442 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); |
17443 | } |
17444 | |
17445 | OMPClause *Sema::ActOnOpenMPCompareClause(SourceLocation StartLoc, |
17446 | SourceLocation EndLoc) { |
17447 | return new (Context) OMPCompareClause(StartLoc, EndLoc); |
17448 | } |
17449 | |
17450 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, |
17451 | SourceLocation EndLoc) { |
17452 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); |
17453 | } |
17454 | |
17455 | OMPClause *Sema::ActOnOpenMPAcqRelClause(SourceLocation StartLoc, |
17456 | SourceLocation EndLoc) { |
17457 | return new (Context) OMPAcqRelClause(StartLoc, EndLoc); |
17458 | } |
17459 | |
17460 | OMPClause *Sema::ActOnOpenMPAcquireClause(SourceLocation StartLoc, |
17461 | SourceLocation EndLoc) { |
17462 | return new (Context) OMPAcquireClause(StartLoc, EndLoc); |
17463 | } |
17464 | |
17465 | OMPClause *Sema::ActOnOpenMPReleaseClause(SourceLocation StartLoc, |
17466 | SourceLocation EndLoc) { |
17467 | return new (Context) OMPReleaseClause(StartLoc, EndLoc); |
17468 | } |
17469 | |
17470 | OMPClause *Sema::ActOnOpenMPRelaxedClause(SourceLocation StartLoc, |
17471 | SourceLocation EndLoc) { |
17472 | return new (Context) OMPRelaxedClause(StartLoc, EndLoc); |
17473 | } |
17474 | |
17475 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, |
17476 | SourceLocation EndLoc) { |
17477 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); |
17478 | } |
17479 | |
17480 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, |
17481 | SourceLocation EndLoc) { |
17482 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); |
17483 | } |
17484 | |
17485 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, |
17486 | SourceLocation EndLoc) { |
17487 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); |
17488 | } |
17489 | |
17490 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, |
17491 | SourceLocation EndLoc) { |
17492 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); |
17493 | } |
17494 | |
17495 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, |
17496 | SourceLocation EndLoc) { |
17497 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); |
17498 | } |
17499 | |
17500 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, |
17501 | SourceLocation EndLoc) { |
17502 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); |
17503 | } |
17504 | |
17505 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, |
17506 | SourceLocation EndLoc) { |
17507 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); |
17508 | } |
17509 | |
17510 | StmtResult Sema::ActOnOpenMPInteropDirective(ArrayRef<OMPClause *> Clauses, |
17511 | SourceLocation StartLoc, |
17512 | SourceLocation EndLoc) { |
17513 | |
17514 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
17515 | // At least one action-clause must appear on a directive. |
17516 | if (!hasClauses(Clauses, OMPC_init, OMPC_use, OMPC_destroy, OMPC_nowait)) { |
17517 | StringRef Expected = "'init', 'use', 'destroy', or 'nowait'"; |
17518 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
17519 | << Expected << getOpenMPDirectiveName(OMPD_interop); |
17520 | return StmtError(); |
17521 | } |
17522 | |
17523 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
17524 | // A depend clause can only appear on the directive if a targetsync |
17525 | // interop-type is present or the interop-var was initialized with |
17526 | // the targetsync interop-type. |
17527 | |
17528 | // If there is any 'init' clause diagnose if there is no 'init' clause with |
17529 | // interop-type of 'targetsync'. Cases involving other directives cannot be |
17530 | // diagnosed. |
17531 | const OMPDependClause *DependClause = nullptr; |
17532 | bool HasInitClause = false; |
17533 | bool IsTargetSync = false; |
17534 | for (const OMPClause *C : Clauses) { |
17535 | if (IsTargetSync) |
17536 | break; |
17537 | if (const auto *InitClause = dyn_cast<OMPInitClause>(C)) { |
17538 | HasInitClause = true; |
17539 | if (InitClause->getIsTargetSync()) |
17540 | IsTargetSync = true; |
17541 | } else if (const auto *DC = dyn_cast<OMPDependClause>(C)) { |
17542 | DependClause = DC; |
17543 | } |
17544 | } |
17545 | if (DependClause && HasInitClause && !IsTargetSync) { |
17546 | Diag(DependClause->getBeginLoc(), diag::err_omp_interop_bad_depend_clause); |
17547 | return StmtError(); |
17548 | } |
17549 | |
17550 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
17551 | // Each interop-var may be specified for at most one action-clause of each |
17552 | // interop construct. |
17553 | llvm::SmallPtrSet<const ValueDecl *, 4> InteropVars; |
17554 | for (OMPClause *C : Clauses) { |
17555 | OpenMPClauseKind ClauseKind = C->getClauseKind(); |
17556 | std::pair<ValueDecl *, bool> DeclResult; |
17557 | SourceLocation ELoc; |
17558 | SourceRange ERange; |
17559 | |
17560 | if (ClauseKind == OMPC_init) { |
17561 | auto *E = cast<OMPInitClause>(C)->getInteropVar(); |
17562 | DeclResult = getPrivateItem(*this, E, ELoc, ERange); |
17563 | } else if (ClauseKind == OMPC_use) { |
17564 | auto *E = cast<OMPUseClause>(C)->getInteropVar(); |
17565 | DeclResult = getPrivateItem(*this, E, ELoc, ERange); |
17566 | } else if (ClauseKind == OMPC_destroy) { |
17567 | auto *E = cast<OMPDestroyClause>(C)->getInteropVar(); |
17568 | DeclResult = getPrivateItem(*this, E, ELoc, ERange); |
17569 | } |
17570 | |
17571 | if (DeclResult.first) { |
17572 | if (!InteropVars.insert(DeclResult.first).second) { |
17573 | Diag(ELoc, diag::err_omp_interop_var_multiple_actions) |
17574 | << DeclResult.first; |
17575 | return StmtError(); |
17576 | } |
17577 | } |
17578 | } |
17579 | |
17580 | return OMPInteropDirective::Create(Context, StartLoc, EndLoc, Clauses); |
17581 | } |
17582 | |
17583 | static bool isValidInteropVariable(Sema &SemaRef, Expr *InteropVarExpr, |
17584 | SourceLocation VarLoc, |
17585 | OpenMPClauseKind Kind) { |
17586 | SourceLocation ELoc; |
17587 | SourceRange ERange; |
17588 | Expr *RefExpr = InteropVarExpr; |
17589 | auto Res = |
17590 | getPrivateItem(SemaRef, RefExpr, ELoc, ERange, |
17591 | /*AllowArraySection=*/false, /*DiagType=*/"omp_interop_t"); |
17592 | |
17593 | if (Res.second) { |
17594 | // It will be analyzed later. |
17595 | return true; |
17596 | } |
17597 | |
17598 | if (!Res.first) |
17599 | return false; |
17600 | |
17601 | // Interop variable should be of type omp_interop_t. |
17602 | bool HasError = false; |
17603 | QualType InteropType; |
17604 | LookupResult Result(SemaRef, &SemaRef.Context.Idents.get("omp_interop_t"), |
17605 | VarLoc, Sema::LookupOrdinaryName); |
17606 | if (SemaRef.LookupName(Result, SemaRef.getCurScope())) { |
17607 | NamedDecl *ND = Result.getFoundDecl(); |
17608 | if (const auto *TD = dyn_cast<TypeDecl>(ND)) { |
17609 | InteropType = QualType(TD->getTypeForDecl(), 0); |
17610 | } else { |
17611 | HasError = true; |
17612 | } |
17613 | } else { |
17614 | HasError = true; |
17615 | } |
17616 | |
17617 | if (HasError) { |
17618 | SemaRef.Diag(VarLoc, diag::err_omp_implied_type_not_found) |
17619 | << "omp_interop_t"; |
17620 | return false; |
17621 | } |
17622 | |
17623 | QualType VarType = InteropVarExpr->getType().getUnqualifiedType(); |
17624 | if (!SemaRef.Context.hasSameType(InteropType, VarType)) { |
17625 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_wrong_type); |
17626 | return false; |
17627 | } |
17628 | |
17629 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
17630 | // The interop-var passed to init or destroy must be non-const. |
17631 | if ((Kind == OMPC_init || Kind == OMPC_destroy) && |
17632 | isConstNotMutableType(SemaRef, InteropVarExpr->getType())) { |
17633 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) |
17634 | << /*non-const*/ 1; |
17635 | return false; |
17636 | } |
17637 | return true; |
17638 | } |
17639 | |
17640 | OMPClause * |
17641 | Sema::ActOnOpenMPInitClause(Expr *InteropVar, OMPInteropInfo &InteropInfo, |
17642 | SourceLocation StartLoc, SourceLocation LParenLoc, |
17643 | SourceLocation VarLoc, SourceLocation EndLoc) { |
17644 | |
17645 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_init)) |
17646 | return nullptr; |
17647 | |
17648 | // Check prefer_type values. These foreign-runtime-id values are either |
17649 | // string literals or constant integral expressions. |
17650 | for (const Expr *E : InteropInfo.PreferTypes) { |
17651 | if (E->isValueDependent() || E->isTypeDependent() || |
17652 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
17653 | continue; |
17654 | if (E->isIntegerConstantExpr(Context)) |
17655 | continue; |
17656 | if (isa<StringLiteral>(E)) |
17657 | continue; |
17658 | Diag(E->getExprLoc(), diag::err_omp_interop_prefer_type); |
17659 | return nullptr; |
17660 | } |
17661 | |
17662 | return OMPInitClause::Create(Context, InteropVar, InteropInfo, StartLoc, |
17663 | LParenLoc, VarLoc, EndLoc); |
17664 | } |
17665 | |
17666 | OMPClause *Sema::ActOnOpenMPUseClause(Expr *InteropVar, SourceLocation StartLoc, |
17667 | SourceLocation LParenLoc, |
17668 | SourceLocation VarLoc, |
17669 | SourceLocation EndLoc) { |
17670 | |
17671 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_use)) |
17672 | return nullptr; |
17673 | |
17674 | return new (Context) |
17675 | OMPUseClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); |
17676 | } |
17677 | |
17678 | OMPClause *Sema::ActOnOpenMPDestroyClause(Expr *InteropVar, |
17679 | SourceLocation StartLoc, |
17680 | SourceLocation LParenLoc, |
17681 | SourceLocation VarLoc, |
17682 | SourceLocation EndLoc) { |
17683 | if (!InteropVar && LangOpts.OpenMP >= 52 && |
17684 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) { |
17685 | Diag(StartLoc, diag::err_omp_expected_clause_argument) |
17686 | << getOpenMPClauseName(OMPC_destroy) |
17687 | << getOpenMPDirectiveName(OMPD_depobj); |
17688 | return nullptr; |
17689 | } |
17690 | if (InteropVar && |
17691 | !isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_destroy)) |
17692 | return nullptr; |
17693 | |
17694 | return new (Context) |
17695 | OMPDestroyClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); |
17696 | } |
17697 | |
17698 | OMPClause *Sema::ActOnOpenMPNovariantsClause(Expr *Condition, |
17699 | SourceLocation StartLoc, |
17700 | SourceLocation LParenLoc, |
17701 | SourceLocation EndLoc) { |
17702 | Expr *ValExpr = Condition; |
17703 | Stmt *HelperValStmt = nullptr; |
17704 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
17705 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
17706 | !Condition->isInstantiationDependent() && |
17707 | !Condition->containsUnexpandedParameterPack()) { |
17708 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
17709 | if (Val.isInvalid()) |
17710 | return nullptr; |
17711 | |
17712 | ValExpr = MakeFullExpr(Val.get()).get(); |
17713 | |
17714 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
17715 | CaptureRegion = getOpenMPCaptureRegionForClause(DKind, OMPC_novariants, |
17716 | LangOpts.OpenMP); |
17717 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
17718 | ValExpr = MakeFullExpr(ValExpr).get(); |
17719 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
17720 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
17721 | HelperValStmt = buildPreInits(Context, Captures); |
17722 | } |
17723 | } |
17724 | |
17725 | return new (Context) OMPNovariantsClause( |
17726 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
17727 | } |
17728 | |
17729 | OMPClause *Sema::ActOnOpenMPNocontextClause(Expr *Condition, |
17730 | SourceLocation StartLoc, |
17731 | SourceLocation LParenLoc, |
17732 | SourceLocation EndLoc) { |
17733 | Expr *ValExpr = Condition; |
17734 | Stmt *HelperValStmt = nullptr; |
17735 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
17736 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
17737 | !Condition->isInstantiationDependent() && |
17738 | !Condition->containsUnexpandedParameterPack()) { |
17739 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
17740 | if (Val.isInvalid()) |
17741 | return nullptr; |
17742 | |
17743 | ValExpr = MakeFullExpr(Val.get()).get(); |
17744 | |
17745 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
17746 | CaptureRegion = |
17747 | getOpenMPCaptureRegionForClause(DKind, OMPC_nocontext, LangOpts.OpenMP); |
17748 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
17749 | ValExpr = MakeFullExpr(ValExpr).get(); |
17750 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
17751 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
17752 | HelperValStmt = buildPreInits(Context, Captures); |
17753 | } |
17754 | } |
17755 | |
17756 | return new (Context) OMPNocontextClause(ValExpr, HelperValStmt, CaptureRegion, |
17757 | StartLoc, LParenLoc, EndLoc); |
17758 | } |
17759 | |
17760 | OMPClause *Sema::ActOnOpenMPFilterClause(Expr *ThreadID, |
17761 | SourceLocation StartLoc, |
17762 | SourceLocation LParenLoc, |
17763 | SourceLocation EndLoc) { |
17764 | Expr *ValExpr = ThreadID; |
17765 | Stmt *HelperValStmt = nullptr; |
17766 | |
17767 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
17768 | OpenMPDirectiveKind CaptureRegion = |
17769 | getOpenMPCaptureRegionForClause(DKind, OMPC_filter, LangOpts.OpenMP); |
17770 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
17771 | ValExpr = MakeFullExpr(ValExpr).get(); |
17772 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
17773 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
17774 | HelperValStmt = buildPreInits(Context, Captures); |
17775 | } |
17776 | |
17777 | return new (Context) OMPFilterClause(ValExpr, HelperValStmt, CaptureRegion, |
17778 | StartLoc, LParenLoc, EndLoc); |
17779 | } |
17780 | |
17781 | OMPClause *Sema::ActOnOpenMPVarListClause(OpenMPClauseKind Kind, |
17782 | ArrayRef<Expr *> VarList, |
17783 | const OMPVarListLocTy &Locs, |
17784 | OpenMPVarListDataTy &Data) { |
17785 | SourceLocation StartLoc = Locs.StartLoc; |
17786 | SourceLocation LParenLoc = Locs.LParenLoc; |
17787 | SourceLocation EndLoc = Locs.EndLoc; |
17788 | OMPClause *Res = nullptr; |
17789 | int ExtraModifier = Data.ExtraModifier; |
17790 | SourceLocation ExtraModifierLoc = Data.ExtraModifierLoc; |
17791 | SourceLocation ColonLoc = Data.ColonLoc; |
17792 | switch (Kind) { |
17793 | case OMPC_private: |
17794 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
17795 | break; |
17796 | case OMPC_firstprivate: |
17797 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
17798 | break; |
17799 | case OMPC_lastprivate: |
17800 | 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", 17801, __extension__ __PRETTY_FUNCTION__ )) |
17801 | "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", 17801, __extension__ __PRETTY_FUNCTION__ )); |
17802 | Res = ActOnOpenMPLastprivateClause( |
17803 | VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier), |
17804 | ExtraModifierLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); |
17805 | break; |
17806 | case OMPC_shared: |
17807 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); |
17808 | break; |
17809 | case OMPC_reduction: |
17810 | 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", 17811, __extension__ __PRETTY_FUNCTION__ )) |
17811 | "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", 17811, __extension__ __PRETTY_FUNCTION__ )); |
17812 | Res = ActOnOpenMPReductionClause( |
17813 | VarList, static_cast<OpenMPReductionClauseModifier>(ExtraModifier), |
17814 | StartLoc, LParenLoc, ExtraModifierLoc, ColonLoc, EndLoc, |
17815 | Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId); |
17816 | break; |
17817 | case OMPC_task_reduction: |
17818 | Res = ActOnOpenMPTaskReductionClause( |
17819 | VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, |
17820 | Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId); |
17821 | break; |
17822 | case OMPC_in_reduction: |
17823 | Res = ActOnOpenMPInReductionClause( |
17824 | VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, |
17825 | Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId); |
17826 | break; |
17827 | case OMPC_linear: |
17828 | 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", 17829, __extension__ __PRETTY_FUNCTION__ )) |
17829 | "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", 17829, __extension__ __PRETTY_FUNCTION__ )); |
17830 | Res = ActOnOpenMPLinearClause( |
17831 | VarList, Data.DepModOrTailExpr, StartLoc, LParenLoc, |
17832 | static_cast<OpenMPLinearClauseKind>(ExtraModifier), ExtraModifierLoc, |
17833 | ColonLoc, EndLoc); |
17834 | break; |
17835 | case OMPC_aligned: |
17836 | Res = ActOnOpenMPAlignedClause(VarList, Data.DepModOrTailExpr, StartLoc, |
17837 | LParenLoc, ColonLoc, EndLoc); |
17838 | break; |
17839 | case OMPC_copyin: |
17840 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); |
17841 | break; |
17842 | case OMPC_copyprivate: |
17843 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
17844 | break; |
17845 | case OMPC_flush: |
17846 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); |
17847 | break; |
17848 | case OMPC_depend: |
17849 | 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", 17850, __extension__ __PRETTY_FUNCTION__ )) |
17850 | "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", 17850, __extension__ __PRETTY_FUNCTION__ )); |
17851 | Res = ActOnOpenMPDependClause( |
17852 | {static_cast<OpenMPDependClauseKind>(ExtraModifier), ExtraModifierLoc, |
17853 | ColonLoc, Data.OmpAllMemoryLoc}, |
17854 | Data.DepModOrTailExpr, VarList, StartLoc, LParenLoc, EndLoc); |
17855 | break; |
17856 | case OMPC_map: |
17857 | 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", 17858, __extension__ __PRETTY_FUNCTION__ )) |
17858 | "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", 17858, __extension__ __PRETTY_FUNCTION__ )); |
17859 | Res = ActOnOpenMPMapClause( |
17860 | Data.IteratorExpr, Data.MapTypeModifiers, Data.MapTypeModifiersLoc, |
17861 | Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId, |
17862 | static_cast<OpenMPMapClauseKind>(ExtraModifier), Data.IsMapTypeImplicit, |
17863 | ExtraModifierLoc, ColonLoc, VarList, Locs); |
17864 | break; |
17865 | case OMPC_to: |
17866 | Res = |
17867 | ActOnOpenMPToClause(Data.MotionModifiers, Data.MotionModifiersLoc, |
17868 | Data.ReductionOrMapperIdScopeSpec, |
17869 | Data.ReductionOrMapperId, ColonLoc, VarList, Locs); |
17870 | break; |
17871 | case OMPC_from: |
17872 | Res = ActOnOpenMPFromClause(Data.MotionModifiers, Data.MotionModifiersLoc, |
17873 | Data.ReductionOrMapperIdScopeSpec, |
17874 | Data.ReductionOrMapperId, ColonLoc, VarList, |
17875 | Locs); |
17876 | break; |
17877 | case OMPC_use_device_ptr: |
17878 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); |
17879 | break; |
17880 | case OMPC_use_device_addr: |
17881 | Res = ActOnOpenMPUseDeviceAddrClause(VarList, Locs); |
17882 | break; |
17883 | case OMPC_is_device_ptr: |
17884 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); |
17885 | break; |
17886 | case OMPC_has_device_addr: |
17887 | Res = ActOnOpenMPHasDeviceAddrClause(VarList, Locs); |
17888 | break; |
17889 | case OMPC_allocate: |
17890 | Res = ActOnOpenMPAllocateClause(Data.DepModOrTailExpr, VarList, StartLoc, |
17891 | LParenLoc, ColonLoc, EndLoc); |
17892 | break; |
17893 | case OMPC_nontemporal: |
17894 | Res = ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, EndLoc); |
17895 | break; |
17896 | case OMPC_inclusive: |
17897 | Res = ActOnOpenMPInclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); |
17898 | break; |
17899 | case OMPC_exclusive: |
17900 | Res = ActOnOpenMPExclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); |
17901 | break; |
17902 | case OMPC_affinity: |
17903 | Res = ActOnOpenMPAffinityClause(StartLoc, LParenLoc, ColonLoc, EndLoc, |
17904 | Data.DepModOrTailExpr, VarList); |
17905 | break; |
17906 | case OMPC_if: |
17907 | case OMPC_depobj: |
17908 | case OMPC_final: |
17909 | case OMPC_num_threads: |
17910 | case OMPC_safelen: |
17911 | case OMPC_simdlen: |
17912 | case OMPC_sizes: |
17913 | case OMPC_allocator: |
17914 | case OMPC_collapse: |
17915 | case OMPC_default: |
17916 | case OMPC_proc_bind: |
17917 | case OMPC_schedule: |
17918 | case OMPC_ordered: |
17919 | case OMPC_nowait: |
17920 | case OMPC_untied: |
17921 | case OMPC_mergeable: |
17922 | case OMPC_threadprivate: |
17923 | case OMPC_read: |
17924 | case OMPC_write: |
17925 | case OMPC_update: |
17926 | case OMPC_capture: |
17927 | case OMPC_compare: |
17928 | case OMPC_seq_cst: |
17929 | case OMPC_acq_rel: |
17930 | case OMPC_acquire: |
17931 | case OMPC_release: |
17932 | case OMPC_relaxed: |
17933 | case OMPC_device: |
17934 | case OMPC_threads: |
17935 | case OMPC_simd: |
17936 | case OMPC_num_teams: |
17937 | case OMPC_thread_limit: |
17938 | case OMPC_priority: |
17939 | case OMPC_grainsize: |
17940 | case OMPC_nogroup: |
17941 | case OMPC_num_tasks: |
17942 | case OMPC_hint: |
17943 | case OMPC_dist_schedule: |
17944 | case OMPC_defaultmap: |
17945 | case OMPC_unknown: |
17946 | case OMPC_uniform: |
17947 | case OMPC_unified_address: |
17948 | case OMPC_unified_shared_memory: |
17949 | case OMPC_reverse_offload: |
17950 | case OMPC_dynamic_allocators: |
17951 | case OMPC_atomic_default_mem_order: |
17952 | case OMPC_device_type: |
17953 | case OMPC_match: |
17954 | case OMPC_order: |
17955 | case OMPC_at: |
17956 | case OMPC_severity: |
17957 | case OMPC_message: |
17958 | case OMPC_destroy: |
17959 | case OMPC_novariants: |
17960 | case OMPC_nocontext: |
17961 | case OMPC_detach: |
17962 | case OMPC_uses_allocators: |
17963 | case OMPC_when: |
17964 | case OMPC_bind: |
17965 | default: |
17966 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "clang/lib/Sema/SemaOpenMP.cpp" , 17966); |
17967 | } |
17968 | return Res; |
17969 | } |
17970 | |
17971 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, |
17972 | ExprObjectKind OK, SourceLocation Loc) { |
17973 | ExprResult Res = BuildDeclRefExpr( |
17974 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); |
17975 | if (!Res.isUsable()) |
17976 | return ExprError(); |
17977 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { |
17978 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); |
17979 | if (!Res.isUsable()) |
17980 | return ExprError(); |
17981 | } |
17982 | if (VK != VK_LValue && Res.get()->isGLValue()) { |
17983 | Res = DefaultLvalueConversion(Res.get()); |
17984 | if (!Res.isUsable()) |
17985 | return ExprError(); |
17986 | } |
17987 | return Res; |
17988 | } |
17989 | |
17990 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, |
17991 | SourceLocation StartLoc, |
17992 | SourceLocation LParenLoc, |
17993 | SourceLocation EndLoc) { |
17994 | SmallVector<Expr *, 8> Vars; |
17995 | SmallVector<Expr *, 8> PrivateCopies; |
17996 | bool IsImplicitClause = |
17997 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); |
17998 | for (Expr *RefExpr : VarList) { |
17999 | 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", 17999, __extension__ __PRETTY_FUNCTION__ )); |
18000 | SourceLocation ELoc; |
18001 | SourceRange ERange; |
18002 | Expr *SimpleRefExpr = RefExpr; |
18003 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
18004 | if (Res.second) { |
18005 | // It will be analyzed later. |
18006 | Vars.push_back(RefExpr); |
18007 | PrivateCopies.push_back(nullptr); |
18008 | } |
18009 | ValueDecl *D = Res.first; |
18010 | if (!D) |
18011 | continue; |
18012 | |
18013 | QualType Type = D->getType(); |
18014 | auto *VD = dyn_cast<VarDecl>(D); |
18015 | |
18016 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
18017 | // A variable that appears in a private clause must not have an incomplete |
18018 | // type or a reference type. |
18019 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) |
18020 | continue; |
18021 | Type = Type.getNonReferenceType(); |
18022 | |
18023 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
18024 | // A variable that is privatized must not have a const-qualified type |
18025 | // unless it is of class type with a mutable member. This restriction does |
18026 | // not apply to the firstprivate clause. |
18027 | // |
18028 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] |
18029 | // A variable that appears in a private clause must not have a |
18030 | // const-qualified type unless it is of class type with a mutable member. |
18031 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) |
18032 | continue; |
18033 | |
18034 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
18035 | // in a Construct] |
18036 | // Variables with the predetermined data-sharing attributes may not be |
18037 | // listed in data-sharing attributes clauses, except for the cases |
18038 | // listed below. For these exceptions only, listing a predetermined |
18039 | // variable in a data-sharing attribute clause is allowed and overrides |
18040 | // the variable's predetermined data-sharing attributes. |
18041 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
18042 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { |
18043 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
18044 | << getOpenMPClauseName(OMPC_private); |
18045 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18046 | continue; |
18047 | } |
18048 | |
18049 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
18050 | // Variably modified types are not supported for tasks. |
18051 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && |
18052 | isOpenMPTaskingDirective(CurrDir)) { |
18053 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
18054 | << getOpenMPClauseName(OMPC_private) << Type |
18055 | << getOpenMPDirectiveName(CurrDir); |
18056 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
18057 | VarDecl::DeclarationOnly; |
18058 | Diag(D->getLocation(), |
18059 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
18060 | << D; |
18061 | continue; |
18062 | } |
18063 | |
18064 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
18065 | // A list item cannot appear in both a map clause and a data-sharing |
18066 | // attribute clause on the same construct |
18067 | // |
18068 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
18069 | // A list item cannot appear in both a map clause and a data-sharing |
18070 | // attribute clause on the same construct unless the construct is a |
18071 | // combined construct. |
18072 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || |
18073 | CurrDir == OMPD_target) { |
18074 | OpenMPClauseKind ConflictKind; |
18075 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
18076 | VD, /*CurrentRegionOnly=*/true, |
18077 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
18078 | OpenMPClauseKind WhereFoundClauseKind) -> bool { |
18079 | ConflictKind = WhereFoundClauseKind; |
18080 | return true; |
18081 | })) { |
18082 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
18083 | << getOpenMPClauseName(OMPC_private) |
18084 | << getOpenMPClauseName(ConflictKind) |
18085 | << getOpenMPDirectiveName(CurrDir); |
18086 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18087 | continue; |
18088 | } |
18089 | } |
18090 | |
18091 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] |
18092 | // A variable of class type (or array thereof) that appears in a private |
18093 | // clause requires an accessible, unambiguous default constructor for the |
18094 | // class type. |
18095 | // Generate helper private variable and initialize it with the default |
18096 | // value. The address of the original variable is replaced by the address of |
18097 | // the new private variable in CodeGen. This new variable is not added to |
18098 | // IdResolver, so the code in the OpenMP region uses original variable for |
18099 | // proper diagnostics. |
18100 | Type = Type.getUnqualifiedType(); |
18101 | VarDecl *VDPrivate = |
18102 | buildVarDecl(*this, ELoc, Type, D->getName(), |
18103 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
18104 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
18105 | ActOnUninitializedDecl(VDPrivate); |
18106 | if (VDPrivate->isInvalidDecl()) |
18107 | continue; |
18108 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
18109 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); |
18110 | |
18111 | DeclRefExpr *Ref = nullptr; |
18112 | if (!VD && !CurContext->isDependentContext()) { |
18113 | auto *FD = dyn_cast<FieldDecl>(D); |
18114 | VarDecl *VD = FD ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitFDCapExprDecl(FD) : nullptr; |
18115 | if (VD) |
18116 | Ref = buildDeclRefExpr(*this, VD, VD->getType().getNonReferenceType(), |
18117 | RefExpr->getExprLoc()); |
18118 | else |
18119 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
18120 | } |
18121 | if (!IsImplicitClause) |
18122 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); |
18123 | Vars.push_back((VD || CurContext->isDependentContext()) |
18124 | ? RefExpr->IgnoreParens() |
18125 | : Ref); |
18126 | PrivateCopies.push_back(VDPrivateRefExpr); |
18127 | } |
18128 | |
18129 | if (Vars.empty()) |
18130 | return nullptr; |
18131 | |
18132 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, |
18133 | PrivateCopies); |
18134 | } |
18135 | |
18136 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, |
18137 | SourceLocation StartLoc, |
18138 | SourceLocation LParenLoc, |
18139 | SourceLocation EndLoc) { |
18140 | SmallVector<Expr *, 8> Vars; |
18141 | SmallVector<Expr *, 8> PrivateCopies; |
18142 | SmallVector<Expr *, 8> Inits; |
18143 | SmallVector<Decl *, 4> ExprCaptures; |
18144 | bool IsImplicitClause = |
18145 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); |
18146 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); |
18147 | |
18148 | for (Expr *RefExpr : VarList) { |
18149 | 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", 18149, __extension__ __PRETTY_FUNCTION__ )); |
18150 | SourceLocation ELoc; |
18151 | SourceRange ERange; |
18152 | Expr *SimpleRefExpr = RefExpr; |
18153 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
18154 | if (Res.second) { |
18155 | // It will be analyzed later. |
18156 | Vars.push_back(RefExpr); |
18157 | PrivateCopies.push_back(nullptr); |
18158 | Inits.push_back(nullptr); |
18159 | } |
18160 | ValueDecl *D = Res.first; |
18161 | if (!D) |
18162 | continue; |
18163 | |
18164 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; |
18165 | QualType Type = D->getType(); |
18166 | auto *VD = dyn_cast<VarDecl>(D); |
18167 | |
18168 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
18169 | // A variable that appears in a private clause must not have an incomplete |
18170 | // type or a reference type. |
18171 | if (RequireCompleteType(ELoc, Type, |
18172 | diag::err_omp_firstprivate_incomplete_type)) |
18173 | continue; |
18174 | Type = Type.getNonReferenceType(); |
18175 | |
18176 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] |
18177 | // A variable of class type (or array thereof) that appears in a private |
18178 | // clause requires an accessible, unambiguous copy constructor for the |
18179 | // class type. |
18180 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); |
18181 | |
18182 | // If an implicit firstprivate variable found it was checked already. |
18183 | DSAStackTy::DSAVarData TopDVar; |
18184 | if (!IsImplicitClause) { |
18185 | DSAStackTy::DSAVarData DVar = |
18186 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
18187 | TopDVar = DVar; |
18188 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
18189 | bool IsConstant = ElemType.isConstant(Context); |
18190 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] |
18191 | // A list item that specifies a given variable may not appear in more |
18192 | // than one clause on the same directive, except that a variable may be |
18193 | // specified in both firstprivate and lastprivate clauses. |
18194 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] |
18195 | // A list item may appear in a firstprivate or lastprivate clause but not |
18196 | // both. |
18197 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && |
18198 | (isOpenMPDistributeDirective(CurrDir) || |
18199 | DVar.CKind != OMPC_lastprivate) && |
18200 | DVar.RefExpr) { |
18201 | Diag(ELoc, diag::err_omp_wrong_dsa) |
18202 | << getOpenMPClauseName(DVar.CKind) |
18203 | << getOpenMPClauseName(OMPC_firstprivate); |
18204 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18205 | continue; |
18206 | } |
18207 | |
18208 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
18209 | // in a Construct] |
18210 | // Variables with the predetermined data-sharing attributes may not be |
18211 | // listed in data-sharing attributes clauses, except for the cases |
18212 | // listed below. For these exceptions only, listing a predetermined |
18213 | // variable in a data-sharing attribute clause is allowed and overrides |
18214 | // the variable's predetermined data-sharing attributes. |
18215 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
18216 | // in a Construct, C/C++, p.2] |
18217 | // Variables with const-qualified type having no mutable member may be |
18218 | // listed in a firstprivate clause, even if they are static data members. |
18219 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && |
18220 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { |
18221 | Diag(ELoc, diag::err_omp_wrong_dsa) |
18222 | << getOpenMPClauseName(DVar.CKind) |
18223 | << getOpenMPClauseName(OMPC_firstprivate); |
18224 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18225 | continue; |
18226 | } |
18227 | |
18228 | // OpenMP [2.9.3.4, Restrictions, p.2] |
18229 | // A list item that is private within a parallel region must not appear |
18230 | // in a firstprivate clause on a worksharing construct if any of the |
18231 | // worksharing regions arising from the worksharing construct ever bind |
18232 | // to any of the parallel regions arising from the parallel construct. |
18233 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] |
18234 | // A list item that is private within a teams region must not appear in a |
18235 | // firstprivate clause on a distribute construct if any of the distribute |
18236 | // regions arising from the distribute construct ever bind to any of the |
18237 | // teams regions arising from the teams construct. |
18238 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] |
18239 | // A list item that appears in a reduction clause of a teams construct |
18240 | // must not appear in a firstprivate clause on a distribute construct if |
18241 | // any of the distribute regions arising from the distribute construct |
18242 | // ever bind to any of the teams regions arising from the teams construct. |
18243 | if ((isOpenMPWorksharingDirective(CurrDir) || |
18244 | isOpenMPDistributeDirective(CurrDir)) && |
18245 | !isOpenMPParallelDirective(CurrDir) && |
18246 | !isOpenMPTeamsDirective(CurrDir)) { |
18247 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); |
18248 | if (DVar.CKind != OMPC_shared && |
18249 | (isOpenMPParallelDirective(DVar.DKind) || |
18250 | isOpenMPTeamsDirective(DVar.DKind) || |
18251 | DVar.DKind == OMPD_unknown)) { |
18252 | Diag(ELoc, diag::err_omp_required_access) |
18253 | << getOpenMPClauseName(OMPC_firstprivate) |
18254 | << getOpenMPClauseName(OMPC_shared); |
18255 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18256 | continue; |
18257 | } |
18258 | } |
18259 | // OpenMP [2.9.3.4, Restrictions, p.3] |
18260 | // A list item that appears in a reduction clause of a parallel construct |
18261 | // must not appear in a firstprivate clause on a worksharing or task |
18262 | // construct if any of the worksharing or task regions arising from the |
18263 | // worksharing or task construct ever bind to any of the parallel regions |
18264 | // arising from the parallel construct. |
18265 | // OpenMP [2.9.3.4, Restrictions, p.4] |
18266 | // A list item that appears in a reduction clause in worksharing |
18267 | // construct must not appear in a firstprivate clause in a task construct |
18268 | // encountered during execution of any of the worksharing regions arising |
18269 | // from the worksharing construct. |
18270 | if (isOpenMPTaskingDirective(CurrDir)) { |
18271 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( |
18272 | D, |
18273 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
18274 | return C == OMPC_reduction && !AppliedToPointee; |
18275 | }, |
18276 | [](OpenMPDirectiveKind K) { |
18277 | return isOpenMPParallelDirective(K) || |
18278 | isOpenMPWorksharingDirective(K) || |
18279 | isOpenMPTeamsDirective(K); |
18280 | }, |
18281 | /*FromParent=*/true); |
18282 | if (DVar.CKind == OMPC_reduction && |
18283 | (isOpenMPParallelDirective(DVar.DKind) || |
18284 | isOpenMPWorksharingDirective(DVar.DKind) || |
18285 | isOpenMPTeamsDirective(DVar.DKind))) { |
18286 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) |
18287 | << getOpenMPDirectiveName(DVar.DKind); |
18288 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18289 | continue; |
18290 | } |
18291 | } |
18292 | |
18293 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
18294 | // A list item cannot appear in both a map clause and a data-sharing |
18295 | // attribute clause on the same construct |
18296 | // |
18297 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
18298 | // A list item cannot appear in both a map clause and a data-sharing |
18299 | // attribute clause on the same construct unless the construct is a |
18300 | // combined construct. |
18301 | if ((LangOpts.OpenMP <= 45 && |
18302 | isOpenMPTargetExecutionDirective(CurrDir)) || |
18303 | CurrDir == OMPD_target) { |
18304 | OpenMPClauseKind ConflictKind; |
18305 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
18306 | VD, /*CurrentRegionOnly=*/true, |
18307 | [&ConflictKind]( |
18308 | OMPClauseMappableExprCommon::MappableExprComponentListRef, |
18309 | OpenMPClauseKind WhereFoundClauseKind) { |
18310 | ConflictKind = WhereFoundClauseKind; |
18311 | return true; |
18312 | })) { |
18313 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
18314 | << getOpenMPClauseName(OMPC_firstprivate) |
18315 | << getOpenMPClauseName(ConflictKind) |
18316 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
18317 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18318 | continue; |
18319 | } |
18320 | } |
18321 | } |
18322 | |
18323 | // Variably modified types are not supported for tasks. |
18324 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && |
18325 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
18326 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
18327 | << getOpenMPClauseName(OMPC_firstprivate) << Type |
18328 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
18329 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
18330 | VarDecl::DeclarationOnly; |
18331 | Diag(D->getLocation(), |
18332 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
18333 | << D; |
18334 | continue; |
18335 | } |
18336 | |
18337 | Type = Type.getUnqualifiedType(); |
18338 | VarDecl *VDPrivate = |
18339 | buildVarDecl(*this, ELoc, Type, D->getName(), |
18340 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
18341 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
18342 | // Generate helper private variable and initialize it with the value of the |
18343 | // original variable. The address of the original variable is replaced by |
18344 | // the address of the new private variable in the CodeGen. This new variable |
18345 | // is not added to IdResolver, so the code in the OpenMP region uses |
18346 | // original variable for proper diagnostics and variable capturing. |
18347 | Expr *VDInitRefExpr = nullptr; |
18348 | // For arrays generate initializer for single element and replace it by the |
18349 | // original array element in CodeGen. |
18350 | if (Type->isArrayType()) { |
18351 | VarDecl *VDInit = |
18352 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); |
18353 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); |
18354 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); |
18355 | ElemType = ElemType.getUnqualifiedType(); |
18356 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, |
18357 | ".firstprivate.temp"); |
18358 | InitializedEntity Entity = |
18359 | InitializedEntity::InitializeVariable(VDInitTemp); |
18360 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); |
18361 | |
18362 | InitializationSequence InitSeq(*this, Entity, Kind, Init); |
18363 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); |
18364 | if (Result.isInvalid()) |
18365 | VDPrivate->setInvalidDecl(); |
18366 | else |
18367 | VDPrivate->setInit(Result.getAs<Expr>()); |
18368 | // Remove temp variable declaration. |
18369 | Context.Deallocate(VDInitTemp); |
18370 | } else { |
18371 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, |
18372 | ".firstprivate.temp"); |
18373 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), |
18374 | RefExpr->getExprLoc()); |
18375 | AddInitializerToDecl(VDPrivate, |
18376 | DefaultLvalueConversion(VDInitRefExpr).get(), |
18377 | /*DirectInit=*/false); |
18378 | } |
18379 | if (VDPrivate->isInvalidDecl()) { |
18380 | if (IsImplicitClause) { |
18381 | Diag(RefExpr->getExprLoc(), |
18382 | diag::note_omp_task_predetermined_firstprivate_here); |
18383 | } |
18384 | continue; |
18385 | } |
18386 | CurContext->addDecl(VDPrivate); |
18387 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
18388 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), |
18389 | RefExpr->getExprLoc()); |
18390 | DeclRefExpr *Ref = nullptr; |
18391 | if (!VD && !CurContext->isDependentContext()) { |
18392 | if (TopDVar.CKind == OMPC_lastprivate) { |
18393 | Ref = TopDVar.PrivateCopy; |
18394 | } else { |
18395 | auto *FD = dyn_cast<FieldDecl>(D); |
18396 | VarDecl *VD = FD ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitFDCapExprDecl(FD) : nullptr; |
18397 | if (VD) |
18398 | Ref = buildDeclRefExpr(*this, VD, VD->getType().getNonReferenceType(), |
18399 | RefExpr->getExprLoc()); |
18400 | else |
18401 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
18402 | if (VD || !isOpenMPCapturedDecl(D)) |
18403 | ExprCaptures.push_back(Ref->getDecl()); |
18404 | } |
18405 | } |
18406 | if (!IsImplicitClause) |
18407 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
18408 | Vars.push_back((VD || CurContext->isDependentContext()) |
18409 | ? RefExpr->IgnoreParens() |
18410 | : Ref); |
18411 | PrivateCopies.push_back(VDPrivateRefExpr); |
18412 | Inits.push_back(VDInitRefExpr); |
18413 | } |
18414 | |
18415 | if (Vars.empty()) |
18416 | return nullptr; |
18417 | |
18418 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
18419 | Vars, PrivateCopies, Inits, |
18420 | buildPreInits(Context, ExprCaptures)); |
18421 | } |
18422 | |
18423 | OMPClause *Sema::ActOnOpenMPLastprivateClause( |
18424 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, |
18425 | SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc, |
18426 | SourceLocation LParenLoc, SourceLocation EndLoc) { |
18427 | if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) { |
18428 | 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", 18428, __extension__ __PRETTY_FUNCTION__ )); |
18429 | Diag(LPKindLoc, diag::err_omp_unexpected_clause_value) |
18430 | << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0, |
18431 | /*Last=*/OMPC_LASTPRIVATE_unknown) |
18432 | << getOpenMPClauseName(OMPC_lastprivate); |
18433 | return nullptr; |
18434 | } |
18435 | |
18436 | SmallVector<Expr *, 8> Vars; |
18437 | SmallVector<Expr *, 8> SrcExprs; |
18438 | SmallVector<Expr *, 8> DstExprs; |
18439 | SmallVector<Expr *, 8> AssignmentOps; |
18440 | SmallVector<Decl *, 4> ExprCaptures; |
18441 | SmallVector<Expr *, 4> ExprPostUpdates; |
18442 | for (Expr *RefExpr : VarList) { |
18443 | 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", 18443, __extension__ __PRETTY_FUNCTION__ )); |
18444 | SourceLocation ELoc; |
18445 | SourceRange ERange; |
18446 | Expr *SimpleRefExpr = RefExpr; |
18447 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
18448 | if (Res.second) { |
18449 | // It will be analyzed later. |
18450 | Vars.push_back(RefExpr); |
18451 | SrcExprs.push_back(nullptr); |
18452 | DstExprs.push_back(nullptr); |
18453 | AssignmentOps.push_back(nullptr); |
18454 | } |
18455 | ValueDecl *D = Res.first; |
18456 | if (!D) |
18457 | continue; |
18458 | |
18459 | QualType Type = D->getType(); |
18460 | auto *VD = dyn_cast<VarDecl>(D); |
18461 | |
18462 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] |
18463 | // A variable that appears in a lastprivate clause must not have an |
18464 | // incomplete type or a reference type. |
18465 | if (RequireCompleteType(ELoc, Type, |
18466 | diag::err_omp_lastprivate_incomplete_type)) |
18467 | continue; |
18468 | Type = Type.getNonReferenceType(); |
18469 | |
18470 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
18471 | // A variable that is privatized must not have a const-qualified type |
18472 | // unless it is of class type with a mutable member. This restriction does |
18473 | // not apply to the firstprivate clause. |
18474 | // |
18475 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] |
18476 | // A variable that appears in a lastprivate clause must not have a |
18477 | // const-qualified type unless it is of class type with a mutable member. |
18478 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) |
18479 | continue; |
18480 | |
18481 | // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions] |
18482 | // A list item that appears in a lastprivate clause with the conditional |
18483 | // modifier must be a scalar variable. |
18484 | if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) { |
18485 | Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar); |
18486 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
18487 | VarDecl::DeclarationOnly; |
18488 | Diag(D->getLocation(), |
18489 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
18490 | << D; |
18491 | continue; |
18492 | } |
18493 | |
18494 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
18495 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced |
18496 | // in a Construct] |
18497 | // Variables with the predetermined data-sharing attributes may not be |
18498 | // listed in data-sharing attributes clauses, except for the cases |
18499 | // listed below. |
18500 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] |
18501 | // A list item may appear in a firstprivate or lastprivate clause but not |
18502 | // both. |
18503 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
18504 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && |
18505 | (isOpenMPDistributeDirective(CurrDir) || |
18506 | DVar.CKind != OMPC_firstprivate) && |
18507 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { |
18508 | Diag(ELoc, diag::err_omp_wrong_dsa) |
18509 | << getOpenMPClauseName(DVar.CKind) |
18510 | << getOpenMPClauseName(OMPC_lastprivate); |
18511 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18512 | continue; |
18513 | } |
18514 | |
18515 | // OpenMP [2.14.3.5, Restrictions, p.2] |
18516 | // A list item that is private within a parallel region, or that appears in |
18517 | // the reduction clause of a parallel construct, must not appear in a |
18518 | // lastprivate clause on a worksharing construct if any of the corresponding |
18519 | // worksharing regions ever binds to any of the corresponding parallel |
18520 | // regions. |
18521 | DSAStackTy::DSAVarData TopDVar = DVar; |
18522 | if (isOpenMPWorksharingDirective(CurrDir) && |
18523 | !isOpenMPParallelDirective(CurrDir) && |
18524 | !isOpenMPTeamsDirective(CurrDir)) { |
18525 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); |
18526 | if (DVar.CKind != OMPC_shared) { |
18527 | Diag(ELoc, diag::err_omp_required_access) |
18528 | << getOpenMPClauseName(OMPC_lastprivate) |
18529 | << getOpenMPClauseName(OMPC_shared); |
18530 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18531 | continue; |
18532 | } |
18533 | } |
18534 | |
18535 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] |
18536 | // A variable of class type (or array thereof) that appears in a |
18537 | // lastprivate clause requires an accessible, unambiguous default |
18538 | // constructor for the class type, unless the list item is also specified |
18539 | // in a firstprivate clause. |
18540 | // A variable of class type (or array thereof) that appears in a |
18541 | // lastprivate clause requires an accessible, unambiguous copy assignment |
18542 | // operator for the class type. |
18543 | Type = Context.getBaseElementType(Type).getNonReferenceType(); |
18544 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), |
18545 | Type.getUnqualifiedType(), ".lastprivate.src", |
18546 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18547 | DeclRefExpr *PseudoSrcExpr = |
18548 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); |
18549 | VarDecl *DstVD = |
18550 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", |
18551 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18552 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); |
18553 | // For arrays generate assignment operation for single element and replace |
18554 | // it by the original array element in CodeGen. |
18555 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, |
18556 | PseudoDstExpr, PseudoSrcExpr); |
18557 | if (AssignmentOp.isInvalid()) |
18558 | continue; |
18559 | AssignmentOp = |
18560 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); |
18561 | if (AssignmentOp.isInvalid()) |
18562 | continue; |
18563 | |
18564 | DeclRefExpr *Ref = nullptr; |
18565 | if (!VD && !CurContext->isDependentContext()) { |
18566 | if (TopDVar.CKind == OMPC_firstprivate) { |
18567 | Ref = TopDVar.PrivateCopy; |
18568 | } else { |
18569 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
18570 | if (!isOpenMPCapturedDecl(D)) |
18571 | ExprCaptures.push_back(Ref->getDecl()); |
18572 | } |
18573 | if ((TopDVar.CKind == OMPC_firstprivate && !TopDVar.PrivateCopy) || |
18574 | (!isOpenMPCapturedDecl(D) && |
18575 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { |
18576 | ExprResult RefRes = DefaultLvalueConversion(Ref); |
18577 | if (!RefRes.isUsable()) |
18578 | continue; |
18579 | ExprResult PostUpdateRes = |
18580 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, |
18581 | RefRes.get()); |
18582 | if (!PostUpdateRes.isUsable()) |
18583 | continue; |
18584 | ExprPostUpdates.push_back( |
18585 | IgnoredValueConversions(PostUpdateRes.get()).get()); |
18586 | } |
18587 | } |
18588 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); |
18589 | Vars.push_back((VD || CurContext->isDependentContext()) |
18590 | ? RefExpr->IgnoreParens() |
18591 | : Ref); |
18592 | SrcExprs.push_back(PseudoSrcExpr); |
18593 | DstExprs.push_back(PseudoDstExpr); |
18594 | AssignmentOps.push_back(AssignmentOp.get()); |
18595 | } |
18596 | |
18597 | if (Vars.empty()) |
18598 | return nullptr; |
18599 | |
18600 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
18601 | Vars, SrcExprs, DstExprs, AssignmentOps, |
18602 | LPKind, LPKindLoc, ColonLoc, |
18603 | buildPreInits(Context, ExprCaptures), |
18604 | buildPostUpdate(*this, ExprPostUpdates)); |
18605 | } |
18606 | |
18607 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, |
18608 | SourceLocation StartLoc, |
18609 | SourceLocation LParenLoc, |
18610 | SourceLocation EndLoc) { |
18611 | SmallVector<Expr *, 8> Vars; |
18612 | for (Expr *RefExpr : VarList) { |
18613 | 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", 18613, __extension__ __PRETTY_FUNCTION__ )); |
18614 | SourceLocation ELoc; |
18615 | SourceRange ERange; |
18616 | Expr *SimpleRefExpr = RefExpr; |
18617 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
18618 | if (Res.second) { |
18619 | // It will be analyzed later. |
18620 | Vars.push_back(RefExpr); |
18621 | } |
18622 | ValueDecl *D = Res.first; |
18623 | if (!D) |
18624 | continue; |
18625 | |
18626 | auto *VD = dyn_cast<VarDecl>(D); |
18627 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
18628 | // in a Construct] |
18629 | // Variables with the predetermined data-sharing attributes may not be |
18630 | // listed in data-sharing attributes clauses, except for the cases |
18631 | // listed below. For these exceptions only, listing a predetermined |
18632 | // variable in a data-sharing attribute clause is allowed and overrides |
18633 | // the variable's predetermined data-sharing attributes. |
18634 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
18635 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && |
18636 | DVar.RefExpr) { |
18637 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
18638 | << getOpenMPClauseName(OMPC_shared); |
18639 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18640 | continue; |
18641 | } |
18642 | |
18643 | DeclRefExpr *Ref = nullptr; |
18644 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) |
18645 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
18646 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); |
18647 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) |
18648 | ? RefExpr->IgnoreParens() |
18649 | : Ref); |
18650 | } |
18651 | |
18652 | if (Vars.empty()) |
18653 | return nullptr; |
18654 | |
18655 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
18656 | } |
18657 | |
18658 | namespace { |
18659 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { |
18660 | DSAStackTy *Stack; |
18661 | |
18662 | public: |
18663 | bool VisitDeclRefExpr(DeclRefExpr *E) { |
18664 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
18665 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); |
18666 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) |
18667 | return false; |
18668 | if (DVar.CKind != OMPC_unknown) |
18669 | return true; |
18670 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( |
18671 | VD, |
18672 | [](OpenMPClauseKind C, bool AppliedToPointee, bool) { |
18673 | return isOpenMPPrivate(C) && !AppliedToPointee; |
18674 | }, |
18675 | [](OpenMPDirectiveKind) { return true; }, |
18676 | /*FromParent=*/true); |
18677 | return DVarPrivate.CKind != OMPC_unknown; |
18678 | } |
18679 | return false; |
18680 | } |
18681 | bool VisitStmt(Stmt *S) { |
18682 | for (Stmt *Child : S->children()) { |
18683 | if (Child && Visit(Child)) |
18684 | return true; |
18685 | } |
18686 | return false; |
18687 | } |
18688 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} |
18689 | }; |
18690 | } // namespace |
18691 | |
18692 | namespace { |
18693 | // Transform MemberExpression for specified FieldDecl of current class to |
18694 | // DeclRefExpr to specified OMPCapturedExprDecl. |
18695 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { |
18696 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; |
18697 | ValueDecl *Field = nullptr; |
18698 | DeclRefExpr *CapturedExpr = nullptr; |
18699 | |
18700 | public: |
18701 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) |
18702 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} |
18703 | |
18704 | ExprResult TransformMemberExpr(MemberExpr *E) { |
18705 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && |
18706 | E->getMemberDecl() == Field) { |
18707 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); |
18708 | return CapturedExpr; |
18709 | } |
18710 | return BaseTransform::TransformMemberExpr(E); |
18711 | } |
18712 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } |
18713 | }; |
18714 | } // namespace |
18715 | |
18716 | template <typename T, typename U> |
18717 | static T filterLookupForUDReductionAndMapper( |
18718 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { |
18719 | for (U &Set : Lookups) { |
18720 | for (auto *D : Set) { |
18721 | if (T Res = Gen(cast<ValueDecl>(D))) |
18722 | return Res; |
18723 | } |
18724 | } |
18725 | return T(); |
18726 | } |
18727 | |
18728 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { |
18729 | 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", 18729, __extension__ __PRETTY_FUNCTION__ )); |
18730 | |
18731 | for (auto *RD : D->redecls()) { |
18732 | // Don't bother with extra checks if we already know this one isn't visible. |
18733 | if (RD == D) |
18734 | continue; |
18735 | |
18736 | auto ND = cast<NamedDecl>(RD); |
18737 | if (LookupResult::isVisible(SemaRef, ND)) |
18738 | return ND; |
18739 | } |
18740 | |
18741 | return nullptr; |
18742 | } |
18743 | |
18744 | static void |
18745 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, |
18746 | SourceLocation Loc, QualType Ty, |
18747 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { |
18748 | // Find all of the associated namespaces and classes based on the |
18749 | // arguments we have. |
18750 | Sema::AssociatedNamespaceSet AssociatedNamespaces; |
18751 | Sema::AssociatedClassSet AssociatedClasses; |
18752 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); |
18753 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, |
18754 | AssociatedClasses); |
18755 | |
18756 | // C++ [basic.lookup.argdep]p3: |
18757 | // Let X be the lookup set produced by unqualified lookup (3.4.1) |
18758 | // and let Y be the lookup set produced by argument dependent |
18759 | // lookup (defined as follows). If X contains [...] then Y is |
18760 | // empty. Otherwise Y is the set of declarations found in the |
18761 | // namespaces associated with the argument types as described |
18762 | // below. The set of declarations found by the lookup of the name |
18763 | // is the union of X and Y. |
18764 | // |
18765 | // Here, we compute Y and add its members to the overloaded |
18766 | // candidate set. |
18767 | for (auto *NS : AssociatedNamespaces) { |
18768 | // When considering an associated namespace, the lookup is the |
18769 | // same as the lookup performed when the associated namespace is |
18770 | // used as a qualifier (3.4.3.2) except that: |
18771 | // |
18772 | // -- Any using-directives in the associated namespace are |
18773 | // ignored. |
18774 | // |
18775 | // -- Any namespace-scope friend functions declared in |
18776 | // associated classes are visible within their respective |
18777 | // namespaces even if they are not visible during an ordinary |
18778 | // lookup (11.4). |
18779 | DeclContext::lookup_result R = NS->lookup(Id.getName()); |
18780 | for (auto *D : R) { |
18781 | auto *Underlying = D; |
18782 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) |
18783 | Underlying = USD->getTargetDecl(); |
18784 | |
18785 | if (!isa<OMPDeclareReductionDecl>(Underlying) && |
18786 | !isa<OMPDeclareMapperDecl>(Underlying)) |
18787 | continue; |
18788 | |
18789 | if (!SemaRef.isVisible(D)) { |
18790 | D = findAcceptableDecl(SemaRef, D); |
18791 | if (!D) |
18792 | continue; |
18793 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) |
18794 | Underlying = USD->getTargetDecl(); |
18795 | } |
18796 | Lookups.emplace_back(); |
18797 | Lookups.back().addDecl(Underlying); |
18798 | } |
18799 | } |
18800 | } |
18801 | |
18802 | static ExprResult |
18803 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, |
18804 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, |
18805 | const DeclarationNameInfo &ReductionId, QualType Ty, |
18806 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { |
18807 | if (ReductionIdScopeSpec.isInvalid()) |
18808 | return ExprError(); |
18809 | SmallVector<UnresolvedSet<8>, 4> Lookups; |
18810 | if (S) { |
18811 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); |
18812 | Lookup.suppressDiagnostics(); |
18813 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { |
18814 | NamedDecl *D = Lookup.getRepresentativeDecl(); |
18815 | do { |
18816 | S = S->getParent(); |
18817 | } while (S && !S->isDeclScope(D)); |
18818 | if (S) |
18819 | S = S->getParent(); |
18820 | Lookups.emplace_back(); |
18821 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
18822 | Lookup.clear(); |
18823 | } |
18824 | } else if (auto *ULE = |
18825 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { |
18826 | Lookups.push_back(UnresolvedSet<8>()); |
18827 | Decl *PrevD = nullptr; |
18828 | for (NamedDecl *D : ULE->decls()) { |
18829 | if (D == PrevD) |
18830 | Lookups.push_back(UnresolvedSet<8>()); |
18831 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) |
18832 | Lookups.back().addDecl(DRD); |
18833 | PrevD = D; |
18834 | } |
18835 | } |
18836 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || |
18837 | Ty->isInstantiationDependentType() || |
18838 | Ty->containsUnexpandedParameterPack() || |
18839 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { |
18840 | return !D->isInvalidDecl() && |
18841 | (D->getType()->isDependentType() || |
18842 | D->getType()->isInstantiationDependentType() || |
18843 | D->getType()->containsUnexpandedParameterPack()); |
18844 | })) { |
18845 | UnresolvedSet<8> ResSet; |
18846 | for (const UnresolvedSet<8> &Set : Lookups) { |
18847 | if (Set.empty()) |
18848 | continue; |
18849 | ResSet.append(Set.begin(), Set.end()); |
18850 | // The last item marks the end of all declarations at the specified scope. |
18851 | ResSet.addDecl(Set[Set.size() - 1]); |
18852 | } |
18853 | return UnresolvedLookupExpr::Create( |
18854 | SemaRef.Context, /*NamingClass=*/nullptr, |
18855 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, |
18856 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); |
18857 | } |
18858 | // Lookup inside the classes. |
18859 | // C++ [over.match.oper]p3: |
18860 | // For a unary operator @ with an operand of a type whose |
18861 | // cv-unqualified version is T1, and for a binary operator @ with |
18862 | // a left operand of a type whose cv-unqualified version is T1 and |
18863 | // a right operand of a type whose cv-unqualified version is T2, |
18864 | // three sets of candidate functions, designated member |
18865 | // candidates, non-member candidates and built-in candidates, are |
18866 | // constructed as follows: |
18867 | // -- If T1 is a complete class type or a class currently being |
18868 | // defined, the set of member candidates is the result of the |
18869 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, |
18870 | // the set of member candidates is empty. |
18871 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); |
18872 | Lookup.suppressDiagnostics(); |
18873 | if (const auto *TyRec = Ty->getAs<RecordType>()) { |
18874 | // Complete the type if it can be completed. |
18875 | // If the type is neither complete nor being defined, bail out now. |
18876 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || |
18877 | TyRec->getDecl()->getDefinition()) { |
18878 | Lookup.clear(); |
18879 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); |
18880 | if (Lookup.empty()) { |
18881 | Lookups.emplace_back(); |
18882 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
18883 | } |
18884 | } |
18885 | } |
18886 | // Perform ADL. |
18887 | if (SemaRef.getLangOpts().CPlusPlus) |
18888 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); |
18889 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
18890 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { |
18891 | if (!D->isInvalidDecl() && |
18892 | SemaRef.Context.hasSameType(D->getType(), Ty)) |
18893 | return D; |
18894 | return nullptr; |
18895 | })) |
18896 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), |
18897 | VK_LValue, Loc); |
18898 | if (SemaRef.getLangOpts().CPlusPlus) { |
18899 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
18900 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { |
18901 | if (!D->isInvalidDecl() && |
18902 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && |
18903 | !Ty.isMoreQualifiedThan(D->getType())) |
18904 | return D; |
18905 | return nullptr; |
18906 | })) { |
18907 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, |
18908 | /*DetectVirtual=*/false); |
18909 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { |
18910 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( |
18911 | VD->getType().getUnqualifiedType()))) { |
18912 | if (SemaRef.CheckBaseClassAccess( |
18913 | Loc, VD->getType(), Ty, Paths.front(), |
18914 | /*DiagID=*/0) != Sema::AR_inaccessible) { |
18915 | SemaRef.BuildBasePathArray(Paths, BasePath); |
18916 | return SemaRef.BuildDeclRefExpr( |
18917 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); |
18918 | } |
18919 | } |
18920 | } |
18921 | } |
18922 | } |
18923 | if (ReductionIdScopeSpec.isSet()) { |
18924 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) |
18925 | << Ty << Range; |
18926 | return ExprError(); |
18927 | } |
18928 | return ExprEmpty(); |
18929 | } |
18930 | |
18931 | namespace { |
18932 | /// Data for the reduction-based clauses. |
18933 | struct ReductionData { |
18934 | /// List of original reduction items. |
18935 | SmallVector<Expr *, 8> Vars; |
18936 | /// List of private copies of the reduction items. |
18937 | SmallVector<Expr *, 8> Privates; |
18938 | /// LHS expressions for the reduction_op expressions. |
18939 | SmallVector<Expr *, 8> LHSs; |
18940 | /// RHS expressions for the reduction_op expressions. |
18941 | SmallVector<Expr *, 8> RHSs; |
18942 | /// Reduction operation expression. |
18943 | SmallVector<Expr *, 8> ReductionOps; |
18944 | /// inscan copy operation expressions. |
18945 | SmallVector<Expr *, 8> InscanCopyOps; |
18946 | /// inscan copy temp array expressions for prefix sums. |
18947 | SmallVector<Expr *, 8> InscanCopyArrayTemps; |
18948 | /// inscan copy temp array element expressions for prefix sums. |
18949 | SmallVector<Expr *, 8> InscanCopyArrayElems; |
18950 | /// Taskgroup descriptors for the corresponding reduction items in |
18951 | /// in_reduction clauses. |
18952 | SmallVector<Expr *, 8> TaskgroupDescriptors; |
18953 | /// List of captures for clause. |
18954 | SmallVector<Decl *, 4> ExprCaptures; |
18955 | /// List of postupdate expressions. |
18956 | SmallVector<Expr *, 4> ExprPostUpdates; |
18957 | /// Reduction modifier. |
18958 | unsigned RedModifier = 0; |
18959 | ReductionData() = delete; |
18960 | /// Reserves required memory for the reduction data. |
18961 | ReductionData(unsigned Size, unsigned Modifier = 0) : RedModifier(Modifier) { |
18962 | Vars.reserve(Size); |
18963 | Privates.reserve(Size); |
18964 | LHSs.reserve(Size); |
18965 | RHSs.reserve(Size); |
18966 | ReductionOps.reserve(Size); |
18967 | if (RedModifier == OMPC_REDUCTION_inscan) { |
18968 | InscanCopyOps.reserve(Size); |
18969 | InscanCopyArrayTemps.reserve(Size); |
18970 | InscanCopyArrayElems.reserve(Size); |
18971 | } |
18972 | TaskgroupDescriptors.reserve(Size); |
18973 | ExprCaptures.reserve(Size); |
18974 | ExprPostUpdates.reserve(Size); |
18975 | } |
18976 | /// Stores reduction item and reduction operation only (required for dependent |
18977 | /// reduction item). |
18978 | void push(Expr *Item, Expr *ReductionOp) { |
18979 | Vars.emplace_back(Item); |
18980 | Privates.emplace_back(nullptr); |
18981 | LHSs.emplace_back(nullptr); |
18982 | RHSs.emplace_back(nullptr); |
18983 | ReductionOps.emplace_back(ReductionOp); |
18984 | TaskgroupDescriptors.emplace_back(nullptr); |
18985 | if (RedModifier == OMPC_REDUCTION_inscan) { |
18986 | InscanCopyOps.push_back(nullptr); |
18987 | InscanCopyArrayTemps.push_back(nullptr); |
18988 | InscanCopyArrayElems.push_back(nullptr); |
18989 | } |
18990 | } |
18991 | /// Stores reduction data. |
18992 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, |
18993 | Expr *TaskgroupDescriptor, Expr *CopyOp, Expr *CopyArrayTemp, |
18994 | Expr *CopyArrayElem) { |
18995 | Vars.emplace_back(Item); |
18996 | Privates.emplace_back(Private); |
18997 | LHSs.emplace_back(LHS); |
18998 | RHSs.emplace_back(RHS); |
18999 | ReductionOps.emplace_back(ReductionOp); |
19000 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); |
19001 | if (RedModifier == OMPC_REDUCTION_inscan) { |
19002 | InscanCopyOps.push_back(CopyOp); |
19003 | InscanCopyArrayTemps.push_back(CopyArrayTemp); |
19004 | InscanCopyArrayElems.push_back(CopyArrayElem); |
19005 | } else { |
19006 | 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", 19008, __extension__ __PRETTY_FUNCTION__ )) |
19007 | 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", 19008, __extension__ __PRETTY_FUNCTION__ )) |
19008 | "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", 19008, __extension__ __PRETTY_FUNCTION__ )); |
19009 | } |
19010 | } |
19011 | }; |
19012 | } // namespace |
19013 | |
19014 | static bool checkOMPArraySectionConstantForReduction( |
19015 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, |
19016 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { |
19017 | const Expr *Length = OASE->getLength(); |
19018 | if (Length == nullptr) { |
19019 | // For array sections of the form [1:] or [:], we would need to analyze |
19020 | // the lower bound... |
19021 | if (OASE->getColonLocFirst().isValid()) |
19022 | return false; |
19023 | |
19024 | // This is an array subscript which has implicit length 1! |
19025 | SingleElement = true; |
19026 | ArraySizes.push_back(llvm::APSInt::get(1)); |
19027 | } else { |
19028 | Expr::EvalResult Result; |
19029 | if (!Length->EvaluateAsInt(Result, Context)) |
19030 | return false; |
19031 | |
19032 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); |
19033 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); |
19034 | ArraySizes.push_back(ConstantLengthValue); |
19035 | } |
19036 | |
19037 | // Get the base of this array section and walk up from there. |
19038 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); |
19039 | |
19040 | // We require length = 1 for all array sections except the right-most to |
19041 | // guarantee that the memory region is contiguous and has no holes in it. |
19042 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { |
19043 | Length = TempOASE->getLength(); |
19044 | if (Length == nullptr) { |
19045 | // For array sections of the form [1:] or [:], we would need to analyze |
19046 | // the lower bound... |
19047 | if (OASE->getColonLocFirst().isValid()) |
19048 | return false; |
19049 | |
19050 | // This is an array subscript which has implicit length 1! |
19051 | ArraySizes.push_back(llvm::APSInt::get(1)); |
19052 | } else { |
19053 | Expr::EvalResult Result; |
19054 | if (!Length->EvaluateAsInt(Result, Context)) |
19055 | return false; |
19056 | |
19057 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); |
19058 | if (ConstantLengthValue.getSExtValue() != 1) |
19059 | return false; |
19060 | |
19061 | ArraySizes.push_back(ConstantLengthValue); |
19062 | } |
19063 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); |
19064 | } |
19065 | |
19066 | // If we have a single element, we don't need to add the implicit lengths. |
19067 | if (!SingleElement) { |
19068 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { |
19069 | // Has implicit length 1! |
19070 | ArraySizes.push_back(llvm::APSInt::get(1)); |
19071 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
19072 | } |
19073 | } |
19074 | |
19075 | // This array section can be privatized as a single value or as a constant |
19076 | // sized array. |
19077 | return true; |
19078 | } |
19079 | |
19080 | static BinaryOperatorKind |
19081 | getRelatedCompoundReductionOp(BinaryOperatorKind BOK) { |
19082 | if (BOK == BO_Add) |
19083 | return BO_AddAssign; |
19084 | if (BOK == BO_Mul) |
19085 | return BO_MulAssign; |
19086 | if (BOK == BO_And) |
19087 | return BO_AndAssign; |
19088 | if (BOK == BO_Or) |
19089 | return BO_OrAssign; |
19090 | if (BOK == BO_Xor) |
19091 | return BO_XorAssign; |
19092 | return BOK; |
19093 | } |
19094 | |
19095 | static bool actOnOMPReductionKindClause( |
19096 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, |
19097 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
19098 | SourceLocation ColonLoc, SourceLocation EndLoc, |
19099 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
19100 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { |
19101 | DeclarationName DN = ReductionId.getName(); |
19102 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); |
19103 | BinaryOperatorKind BOK = BO_Comma; |
19104 | |
19105 | ASTContext &Context = S.Context; |
19106 | // OpenMP [2.14.3.6, reduction clause] |
19107 | // C |
19108 | // reduction-identifier is either an identifier or one of the following |
19109 | // operators: +, -, *, &, |, ^, && and || |
19110 | // C++ |
19111 | // reduction-identifier is either an id-expression or one of the following |
19112 | // operators: +, -, *, &, |, ^, && and || |
19113 | switch (OOK) { |
19114 | case OO_Plus: |
19115 | case OO_Minus: |
19116 | BOK = BO_Add; |
19117 | break; |
19118 | case OO_Star: |
19119 | BOK = BO_Mul; |
19120 | break; |
19121 | case OO_Amp: |
19122 | BOK = BO_And; |
19123 | break; |
19124 | case OO_Pipe: |
19125 | BOK = BO_Or; |
19126 | break; |
19127 | case OO_Caret: |
19128 | BOK = BO_Xor; |
19129 | break; |
19130 | case OO_AmpAmp: |
19131 | BOK = BO_LAnd; |
19132 | break; |
19133 | case OO_PipePipe: |
19134 | BOK = BO_LOr; |
19135 | break; |
19136 | case OO_New: |
19137 | case OO_Delete: |
19138 | case OO_Array_New: |
19139 | case OO_Array_Delete: |
19140 | case OO_Slash: |
19141 | case OO_Percent: |
19142 | case OO_Tilde: |
19143 | case OO_Exclaim: |
19144 | case OO_Equal: |
19145 | case OO_Less: |
19146 | case OO_Greater: |
19147 | case OO_LessEqual: |
19148 | case OO_GreaterEqual: |
19149 | case OO_PlusEqual: |
19150 | case OO_MinusEqual: |
19151 | case OO_StarEqual: |
19152 | case OO_SlashEqual: |
19153 | case OO_PercentEqual: |
19154 | case OO_CaretEqual: |
19155 | case OO_AmpEqual: |
19156 | case OO_PipeEqual: |
19157 | case OO_LessLess: |
19158 | case OO_GreaterGreater: |
19159 | case OO_LessLessEqual: |
19160 | case OO_GreaterGreaterEqual: |
19161 | case OO_EqualEqual: |
19162 | case OO_ExclaimEqual: |
19163 | case OO_Spaceship: |
19164 | case OO_PlusPlus: |
19165 | case OO_MinusMinus: |
19166 | case OO_Comma: |
19167 | case OO_ArrowStar: |
19168 | case OO_Arrow: |
19169 | case OO_Call: |
19170 | case OO_Subscript: |
19171 | case OO_Conditional: |
19172 | case OO_Coawait: |
19173 | case NUM_OVERLOADED_OPERATORS: |
19174 | llvm_unreachable("Unexpected reduction identifier")::llvm::llvm_unreachable_internal("Unexpected reduction identifier" , "clang/lib/Sema/SemaOpenMP.cpp", 19174); |
19175 | case OO_None: |
19176 | if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { |
19177 | if (II->isStr("max")) |
19178 | BOK = BO_GT; |
19179 | else if (II->isStr("min")) |
19180 | BOK = BO_LT; |
19181 | } |
19182 | break; |
19183 | } |
19184 | SourceRange ReductionIdRange; |
19185 | if (ReductionIdScopeSpec.isValid()) |
19186 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); |
19187 | else |
19188 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); |
19189 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); |
19190 | |
19191 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); |
19192 | bool FirstIter = true; |
19193 | for (Expr *RefExpr : VarList) { |
19194 | 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", 19194, __extension__ __PRETTY_FUNCTION__ )); |
19195 | // OpenMP [2.1, C/C++] |
19196 | // A list item is a variable or array section, subject to the restrictions |
19197 | // specified in Section 2.4 on page 42 and in each of the sections |
19198 | // describing clauses and directives for which a list appears. |
19199 | // OpenMP [2.14.3.3, Restrictions, p.1] |
19200 | // A variable that is part of another variable (as an array or |
19201 | // structure element) cannot appear in a private clause. |
19202 | if (!FirstIter && IR != ER) |
19203 | ++IR; |
19204 | FirstIter = false; |
19205 | SourceLocation ELoc; |
19206 | SourceRange ERange; |
19207 | Expr *SimpleRefExpr = RefExpr; |
19208 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
19209 | /*AllowArraySection=*/true); |
19210 | if (Res.second) { |
19211 | // Try to find 'declare reduction' corresponding construct before using |
19212 | // builtin/overloaded operators. |
19213 | QualType Type = Context.DependentTy; |
19214 | CXXCastPath BasePath; |
19215 | ExprResult DeclareReductionRef = buildDeclareReductionRef( |
19216 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, |
19217 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); |
19218 | Expr *ReductionOp = nullptr; |
19219 | if (S.CurContext->isDependentContext() && |
19220 | (DeclareReductionRef.isUnset() || |
19221 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) |
19222 | ReductionOp = DeclareReductionRef.get(); |
19223 | // It will be analyzed later. |
19224 | RD.push(RefExpr, ReductionOp); |
19225 | } |
19226 | ValueDecl *D = Res.first; |
19227 | if (!D) |
19228 | continue; |
19229 | |
19230 | Expr *TaskgroupDescriptor = nullptr; |
19231 | QualType Type; |
19232 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); |
19233 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); |
19234 | if (ASE) { |
19235 | Type = ASE->getType().getNonReferenceType(); |
19236 | } else if (OASE) { |
19237 | QualType BaseType = |
19238 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
19239 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
19240 | Type = ATy->getElementType(); |
19241 | else |
19242 | Type = BaseType->getPointeeType(); |
19243 | Type = Type.getNonReferenceType(); |
19244 | } else { |
19245 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); |
19246 | } |
19247 | auto *VD = dyn_cast<VarDecl>(D); |
19248 | |
19249 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
19250 | // A variable that appears in a private clause must not have an incomplete |
19251 | // type or a reference type. |
19252 | if (S.RequireCompleteType(ELoc, D->getType(), |
19253 | diag::err_omp_reduction_incomplete_type)) |
19254 | continue; |
19255 | // OpenMP [2.14.3.6, reduction clause, Restrictions] |
19256 | // A list item that appears in a reduction clause must not be |
19257 | // const-qualified. |
19258 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, |
19259 | /*AcceptIfMutable*/ false, ASE || OASE)) |
19260 | continue; |
19261 | |
19262 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); |
19263 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] |
19264 | // If a list-item is a reference type then it must bind to the same object |
19265 | // for all threads of the team. |
19266 | if (!ASE && !OASE) { |
19267 | if (VD) { |
19268 | VarDecl *VDDef = VD->getDefinition(); |
19269 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { |
19270 | DSARefChecker Check(Stack); |
19271 | if (Check.Visit(VDDef->getInit())) { |
19272 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) |
19273 | << getOpenMPClauseName(ClauseKind) << ERange; |
19274 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; |
19275 | continue; |
19276 | } |
19277 | } |
19278 | } |
19279 | |
19280 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced |
19281 | // in a Construct] |
19282 | // Variables with the predetermined data-sharing attributes may not be |
19283 | // listed in data-sharing attributes clauses, except for the cases |
19284 | // listed below. For these exceptions only, listing a predetermined |
19285 | // variable in a data-sharing attribute clause is allowed and overrides |
19286 | // the variable's predetermined data-sharing attributes. |
19287 | // OpenMP [2.14.3.6, Restrictions, p.3] |
19288 | // Any number of reduction clauses can be specified on the directive, |
19289 | // but a list item can appear only once in the reduction clauses for that |
19290 | // directive. |
19291 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); |
19292 | if (DVar.CKind == OMPC_reduction) { |
19293 | S.Diag(ELoc, diag::err_omp_once_referenced) |
19294 | << getOpenMPClauseName(ClauseKind); |
19295 | if (DVar.RefExpr) |
19296 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); |
19297 | continue; |
19298 | } |
19299 | if (DVar.CKind != OMPC_unknown) { |
19300 | S.Diag(ELoc, diag::err_omp_wrong_dsa) |
19301 | << getOpenMPClauseName(DVar.CKind) |
19302 | << getOpenMPClauseName(OMPC_reduction); |
19303 | reportOriginalDsa(S, Stack, D, DVar); |
19304 | continue; |
19305 | } |
19306 | |
19307 | // OpenMP [2.14.3.6, Restrictions, p.1] |
19308 | // A list item that appears in a reduction clause of a worksharing |
19309 | // construct must be shared in the parallel regions to which any of the |
19310 | // worksharing regions arising from the worksharing construct bind. |
19311 | if (isOpenMPWorksharingDirective(CurrDir) && |
19312 | !isOpenMPParallelDirective(CurrDir) && |
19313 | !isOpenMPTeamsDirective(CurrDir)) { |
19314 | DVar = Stack->getImplicitDSA(D, true); |
19315 | if (DVar.CKind != OMPC_shared) { |
19316 | S.Diag(ELoc, diag::err_omp_required_access) |
19317 | << getOpenMPClauseName(OMPC_reduction) |
19318 | << getOpenMPClauseName(OMPC_shared); |
19319 | reportOriginalDsa(S, Stack, D, DVar); |
19320 | continue; |
19321 | } |
19322 | } |
19323 | } else { |
19324 | // Threadprivates cannot be shared between threads, so dignose if the base |
19325 | // is a threadprivate variable. |
19326 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); |
19327 | if (DVar.CKind == OMPC_threadprivate) { |
19328 | S.Diag(ELoc, diag::err_omp_wrong_dsa) |
19329 | << getOpenMPClauseName(DVar.CKind) |
19330 | << getOpenMPClauseName(OMPC_reduction); |
19331 | reportOriginalDsa(S, Stack, D, DVar); |
19332 | continue; |
19333 | } |
19334 | } |
19335 | |
19336 | // Try to find 'declare reduction' corresponding construct before using |
19337 | // builtin/overloaded operators. |
19338 | CXXCastPath BasePath; |
19339 | ExprResult DeclareReductionRef = buildDeclareReductionRef( |
19340 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, |
19341 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); |
19342 | if (DeclareReductionRef.isInvalid()) |
19343 | continue; |
19344 | if (S.CurContext->isDependentContext() && |
19345 | (DeclareReductionRef.isUnset() || |
19346 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { |
19347 | RD.push(RefExpr, DeclareReductionRef.get()); |
19348 | continue; |
19349 | } |
19350 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { |
19351 | // Not allowed reduction identifier is found. |
19352 | S.Diag(ReductionId.getBeginLoc(), |
19353 | diag::err_omp_unknown_reduction_identifier) |
19354 | << Type << ReductionIdRange; |
19355 | continue; |
19356 | } |
19357 | |
19358 | // OpenMP [2.14.3.6, reduction clause, Restrictions] |
19359 | // The type of a list item that appears in a reduction clause must be valid |
19360 | // for the reduction-identifier. For a max or min reduction in C, the type |
19361 | // of the list item must be an allowed arithmetic data type: char, int, |
19362 | // float, double, or _Bool, possibly modified with long, short, signed, or |
19363 | // unsigned. For a max or min reduction in C++, the type of the list item |
19364 | // must be an allowed arithmetic data type: char, wchar_t, int, float, |
19365 | // double, or bool, possibly modified with long, short, signed, or unsigned. |
19366 | if (DeclareReductionRef.isUnset()) { |
19367 | if ((BOK == BO_GT || BOK == BO_LT) && |
19368 | !(Type->isScalarType() || |
19369 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { |
19370 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) |
19371 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; |
19372 | if (!ASE && !OASE) { |
19373 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
19374 | VarDecl::DeclarationOnly; |
19375 | S.Diag(D->getLocation(), |
19376 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
19377 | << D; |
19378 | } |
19379 | continue; |
19380 | } |
19381 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && |
19382 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { |
19383 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) |
19384 | << getOpenMPClauseName(ClauseKind); |
19385 | if (!ASE && !OASE) { |
19386 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
19387 | VarDecl::DeclarationOnly; |
19388 | S.Diag(D->getLocation(), |
19389 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
19390 | << D; |
19391 | } |
19392 | continue; |
19393 | } |
19394 | } |
19395 | |
19396 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); |
19397 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", |
19398 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
19399 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), |
19400 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
19401 | QualType PrivateTy = Type; |
19402 | |
19403 | // Try if we can determine constant lengths for all array sections and avoid |
19404 | // the VLA. |
19405 | bool ConstantLengthOASE = false; |
19406 | if (OASE) { |
19407 | bool SingleElement; |
19408 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; |
19409 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( |
19410 | Context, OASE, SingleElement, ArraySizes); |
19411 | |
19412 | // If we don't have a single element, we must emit a constant array type. |
19413 | if (ConstantLengthOASE && !SingleElement) { |
19414 | for (llvm::APSInt &Size : ArraySizes) |
19415 | PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr, |
19416 | ArrayType::Normal, |
19417 | /*IndexTypeQuals=*/0); |
19418 | } |
19419 | } |
19420 | |
19421 | if ((OASE && !ConstantLengthOASE) || |
19422 | (!OASE && !ASE && |
19423 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { |
19424 | if (!Context.getTargetInfo().isVLASupported()) { |
19425 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { |
19426 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; |
19427 | S.Diag(ELoc, diag::note_vla_unsupported); |
19428 | continue; |
19429 | } else { |
19430 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; |
19431 | S.targetDiag(ELoc, diag::note_vla_unsupported); |
19432 | } |
19433 | } |
19434 | // For arrays/array sections only: |
19435 | // Create pseudo array type for private copy. The size for this array will |
19436 | // be generated during codegen. |
19437 | // For array subscripts or single variables Private Ty is the same as Type |
19438 | // (type of the variable or single array element). |
19439 | PrivateTy = Context.getVariableArrayType( |
19440 | Type, |
19441 | new (Context) |
19442 | OpaqueValueExpr(ELoc, Context.getSizeType(), VK_PRValue), |
19443 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); |
19444 | } else if (!ASE && !OASE && |
19445 | Context.getAsArrayType(D->getType().getNonReferenceType())) { |
19446 | PrivateTy = D->getType().getNonReferenceType(); |
19447 | } |
19448 | // Private copy. |
19449 | VarDecl *PrivateVD = |
19450 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), |
19451 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
19452 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
19453 | // Add initializer for private variable. |
19454 | Expr *Init = nullptr; |
19455 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); |
19456 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); |
19457 | if (DeclareReductionRef.isUsable()) { |
19458 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); |
19459 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); |
19460 | if (DRD->getInitializer()) { |
19461 | Init = DRDRef; |
19462 | RHSVD->setInit(DRDRef); |
19463 | RHSVD->setInitStyle(VarDecl::CallInit); |
19464 | } |
19465 | } else { |
19466 | switch (BOK) { |
19467 | case BO_Add: |
19468 | case BO_Xor: |
19469 | case BO_Or: |
19470 | case BO_LOr: |
19471 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. |
19472 | if (Type->isScalarType() || Type->isAnyComplexType()) |
19473 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); |
19474 | break; |
19475 | case BO_Mul: |
19476 | case BO_LAnd: |
19477 | if (Type->isScalarType() || Type->isAnyComplexType()) { |
19478 | // '*' and '&&' reduction ops - initializer is '1'. |
19479 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); |
19480 | } |
19481 | break; |
19482 | case BO_And: { |
19483 | // '&' reduction op - initializer is '~0'. |
19484 | QualType OrigType = Type; |
19485 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) |
19486 | Type = ComplexTy->getElementType(); |
19487 | if (Type->isRealFloatingType()) { |
19488 | llvm::APFloat InitValue = llvm::APFloat::getAllOnesValue( |
19489 | Context.getFloatTypeSemantics(Type)); |
19490 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, |
19491 | Type, ELoc); |
19492 | } else if (Type->isScalarType()) { |
19493 | uint64_t Size = Context.getTypeSize(Type); |
19494 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); |
19495 | llvm::APInt InitValue = llvm::APInt::getAllOnes(Size); |
19496 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); |
19497 | } |
19498 | if (Init && OrigType->isAnyComplexType()) { |
19499 | // Init = 0xFFFF + 0xFFFFi; |
19500 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); |
19501 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); |
19502 | } |
19503 | Type = OrigType; |
19504 | break; |
19505 | } |
19506 | case BO_LT: |
19507 | case BO_GT: { |
19508 | // 'min' reduction op - initializer is 'Largest representable number in |
19509 | // the reduction list item type'. |
19510 | // 'max' reduction op - initializer is 'Least representable number in |
19511 | // the reduction list item type'. |
19512 | if (Type->isIntegerType() || Type->isPointerType()) { |
19513 | bool IsSigned = Type->hasSignedIntegerRepresentation(); |
19514 | uint64_t Size = Context.getTypeSize(Type); |
19515 | QualType IntTy = |
19516 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); |
19517 | llvm::APInt InitValue = |
19518 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) |
19519 | : llvm::APInt::getMinValue(Size) |
19520 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) |
19521 | : llvm::APInt::getMaxValue(Size); |
19522 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); |
19523 | if (Type->isPointerType()) { |
19524 | // Cast to pointer type. |
19525 | ExprResult CastExpr = S.BuildCStyleCastExpr( |
19526 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); |
19527 | if (CastExpr.isInvalid()) |
19528 | continue; |
19529 | Init = CastExpr.get(); |
19530 | } |
19531 | } else if (Type->isRealFloatingType()) { |
19532 | llvm::APFloat InitValue = llvm::APFloat::getLargest( |
19533 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); |
19534 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, |
19535 | Type, ELoc); |
19536 | } |
19537 | break; |
19538 | } |
19539 | case BO_PtrMemD: |
19540 | case BO_PtrMemI: |
19541 | case BO_MulAssign: |
19542 | case BO_Div: |
19543 | case BO_Rem: |
19544 | case BO_Sub: |
19545 | case BO_Shl: |
19546 | case BO_Shr: |
19547 | case BO_LE: |
19548 | case BO_GE: |
19549 | case BO_EQ: |
19550 | case BO_NE: |
19551 | case BO_Cmp: |
19552 | case BO_AndAssign: |
19553 | case BO_XorAssign: |
19554 | case BO_OrAssign: |
19555 | case BO_Assign: |
19556 | case BO_AddAssign: |
19557 | case BO_SubAssign: |
19558 | case BO_DivAssign: |
19559 | case BO_RemAssign: |
19560 | case BO_ShlAssign: |
19561 | case BO_ShrAssign: |
19562 | case BO_Comma: |
19563 | llvm_unreachable("Unexpected reduction operation")::llvm::llvm_unreachable_internal("Unexpected reduction operation" , "clang/lib/Sema/SemaOpenMP.cpp", 19563); |
19564 | } |
19565 | } |
19566 | if (Init && DeclareReductionRef.isUnset()) { |
19567 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); |
19568 | // Store initializer for single element in private copy. Will be used |
19569 | // during codegen. |
19570 | PrivateVD->setInit(RHSVD->getInit()); |
19571 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); |
19572 | } else if (!Init) { |
19573 | S.ActOnUninitializedDecl(RHSVD); |
19574 | // Store initializer for single element in private copy. Will be used |
19575 | // during codegen. |
19576 | PrivateVD->setInit(RHSVD->getInit()); |
19577 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); |
19578 | } |
19579 | if (RHSVD->isInvalidDecl()) |
19580 | continue; |
19581 | if (!RHSVD->hasInit() && DeclareReductionRef.isUnset()) { |
19582 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) |
19583 | << Type << ReductionIdRange; |
19584 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
19585 | VarDecl::DeclarationOnly; |
19586 | S.Diag(D->getLocation(), |
19587 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
19588 | << D; |
19589 | continue; |
19590 | } |
19591 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); |
19592 | ExprResult ReductionOp; |
19593 | if (DeclareReductionRef.isUsable()) { |
19594 | QualType RedTy = DeclareReductionRef.get()->getType(); |
19595 | QualType PtrRedTy = Context.getPointerType(RedTy); |
19596 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); |
19597 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); |
19598 | if (!BasePath.empty()) { |
19599 | LHS = S.DefaultLvalueConversion(LHS.get()); |
19600 | RHS = S.DefaultLvalueConversion(RHS.get()); |
19601 | LHS = ImplicitCastExpr::Create( |
19602 | Context, PtrRedTy, CK_UncheckedDerivedToBase, LHS.get(), &BasePath, |
19603 | LHS.get()->getValueKind(), FPOptionsOverride()); |
19604 | RHS = ImplicitCastExpr::Create( |
19605 | Context, PtrRedTy, CK_UncheckedDerivedToBase, RHS.get(), &BasePath, |
19606 | RHS.get()->getValueKind(), FPOptionsOverride()); |
19607 | } |
19608 | FunctionProtoType::ExtProtoInfo EPI; |
19609 | QualType Params[] = {PtrRedTy, PtrRedTy}; |
19610 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); |
19611 | auto *OVE = new (Context) OpaqueValueExpr( |
19612 | ELoc, Context.getPointerType(FnTy), VK_PRValue, OK_Ordinary, |
19613 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); |
19614 | Expr *Args[] = {LHS.get(), RHS.get()}; |
19615 | ReductionOp = |
19616 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_PRValue, ELoc, |
19617 | S.CurFPFeatureOverrides()); |
19618 | } else { |
19619 | BinaryOperatorKind CombBOK = getRelatedCompoundReductionOp(BOK); |
19620 | if (Type->isRecordType() && CombBOK != BOK) { |
19621 | Sema::TentativeAnalysisScope Trap(S); |
19622 | ReductionOp = |
19623 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
19624 | CombBOK, LHSDRE, RHSDRE); |
19625 | } |
19626 | if (!ReductionOp.isUsable()) { |
19627 | ReductionOp = |
19628 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, |
19629 | LHSDRE, RHSDRE); |
19630 | if (ReductionOp.isUsable()) { |
19631 | if (BOK != BO_LT && BOK != BO_GT) { |
19632 | ReductionOp = |
19633 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
19634 | BO_Assign, LHSDRE, ReductionOp.get()); |
19635 | } else { |
19636 | auto *ConditionalOp = new (Context) |
19637 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, |
19638 | RHSDRE, Type, VK_LValue, OK_Ordinary); |
19639 | ReductionOp = |
19640 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
19641 | BO_Assign, LHSDRE, ConditionalOp); |
19642 | } |
19643 | } |
19644 | } |
19645 | if (ReductionOp.isUsable()) |
19646 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), |
19647 | /*DiscardedValue*/ false); |
19648 | if (!ReductionOp.isUsable()) |
19649 | continue; |
19650 | } |
19651 | |
19652 | // Add copy operations for inscan reductions. |
19653 | // LHS = RHS; |
19654 | ExprResult CopyOpRes, TempArrayRes, TempArrayElem; |
19655 | if (ClauseKind == OMPC_reduction && |
19656 | RD.RedModifier == OMPC_REDUCTION_inscan) { |
19657 | ExprResult RHS = S.DefaultLvalueConversion(RHSDRE); |
19658 | CopyOpRes = S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, LHSDRE, |
19659 | RHS.get()); |
19660 | if (!CopyOpRes.isUsable()) |
19661 | continue; |
19662 | CopyOpRes = |
19663 | S.ActOnFinishFullExpr(CopyOpRes.get(), /*DiscardedValue=*/true); |
19664 | if (!CopyOpRes.isUsable()) |
19665 | continue; |
19666 | // For simd directive and simd-based directives in simd mode no need to |
19667 | // construct temp array, need just a single temp element. |
19668 | if (Stack->getCurrentDirective() == OMPD_simd || |
19669 | (S.getLangOpts().OpenMPSimd && |
19670 | isOpenMPSimdDirective(Stack->getCurrentDirective()))) { |
19671 | VarDecl *TempArrayVD = |
19672 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), |
19673 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
19674 | // Add a constructor to the temp decl. |
19675 | S.ActOnUninitializedDecl(TempArrayVD); |
19676 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, PrivateTy, ELoc); |
19677 | } else { |
19678 | // Build temp array for prefix sum. |
19679 | auto *Dim = new (S.Context) |
19680 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); |
19681 | QualType ArrayTy = |
19682 | S.Context.getVariableArrayType(PrivateTy, Dim, ArrayType::Normal, |
19683 | /*IndexTypeQuals=*/0, {ELoc, ELoc}); |
19684 | VarDecl *TempArrayVD = |
19685 | buildVarDecl(S, ELoc, ArrayTy, D->getName(), |
19686 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
19687 | // Add a constructor to the temp decl. |
19688 | S.ActOnUninitializedDecl(TempArrayVD); |
19689 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, ArrayTy, ELoc); |
19690 | TempArrayElem = |
19691 | S.DefaultFunctionArrayLvalueConversion(TempArrayRes.get()); |
19692 | auto *Idx = new (S.Context) |
19693 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); |
19694 | TempArrayElem = S.CreateBuiltinArraySubscriptExpr(TempArrayElem.get(), |
19695 | ELoc, Idx, ELoc); |
19696 | } |
19697 | } |
19698 | |
19699 | // OpenMP [2.15.4.6, Restrictions, p.2] |
19700 | // A list item that appears in an in_reduction clause of a task construct |
19701 | // must appear in a task_reduction clause of a construct associated with a |
19702 | // taskgroup region that includes the participating task in its taskgroup |
19703 | // set. The construct associated with the innermost region that meets this |
19704 | // condition must specify the same reduction-identifier as the in_reduction |
19705 | // clause. |
19706 | if (ClauseKind == OMPC_in_reduction) { |
19707 | SourceRange ParentSR; |
19708 | BinaryOperatorKind ParentBOK; |
19709 | const Expr *ParentReductionOp = nullptr; |
19710 | Expr *ParentBOKTD = nullptr, *ParentReductionOpTD = nullptr; |
19711 | DSAStackTy::DSAVarData ParentBOKDSA = |
19712 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, |
19713 | ParentBOKTD); |
19714 | DSAStackTy::DSAVarData ParentReductionOpDSA = |
19715 | Stack->getTopMostTaskgroupReductionData( |
19716 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); |
19717 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; |
19718 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; |
19719 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || |
19720 | (DeclareReductionRef.isUsable() && IsParentBOK) || |
19721 | (IsParentBOK && BOK != ParentBOK) || IsParentReductionOp) { |
19722 | bool EmitError = true; |
19723 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { |
19724 | llvm::FoldingSetNodeID RedId, ParentRedId; |
19725 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); |
19726 | DeclareReductionRef.get()->Profile(RedId, Context, |
19727 | /*Canonical=*/true); |
19728 | EmitError = RedId != ParentRedId; |
19729 | } |
19730 | if (EmitError) { |
19731 | S.Diag(ReductionId.getBeginLoc(), |
19732 | diag::err_omp_reduction_identifier_mismatch) |
19733 | << ReductionIdRange << RefExpr->getSourceRange(); |
19734 | S.Diag(ParentSR.getBegin(), |
19735 | diag::note_omp_previous_reduction_identifier) |
19736 | << ParentSR |
19737 | << (IsParentBOK ? ParentBOKDSA.RefExpr |
19738 | : ParentReductionOpDSA.RefExpr) |
19739 | ->getSourceRange(); |
19740 | continue; |
19741 | } |
19742 | } |
19743 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; |
19744 | } |
19745 | |
19746 | DeclRefExpr *Ref = nullptr; |
19747 | Expr *VarsExpr = RefExpr->IgnoreParens(); |
19748 | if (!VD && !S.CurContext->isDependentContext()) { |
19749 | if (ASE || OASE) { |
19750 | TransformExprToCaptures RebuildToCapture(S, D); |
19751 | VarsExpr = |
19752 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); |
19753 | Ref = RebuildToCapture.getCapturedExpr(); |
19754 | } else { |
19755 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); |
19756 | } |
19757 | if (!S.isOpenMPCapturedDecl(D)) { |
19758 | RD.ExprCaptures.emplace_back(Ref->getDecl()); |
19759 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { |
19760 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); |
19761 | if (!RefRes.isUsable()) |
19762 | continue; |
19763 | ExprResult PostUpdateRes = |
19764 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, |
19765 | RefRes.get()); |
19766 | if (!PostUpdateRes.isUsable()) |
19767 | continue; |
19768 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || |
19769 | Stack->getCurrentDirective() == OMPD_taskgroup) { |
19770 | S.Diag(RefExpr->getExprLoc(), |
19771 | diag::err_omp_reduction_non_addressable_expression) |
19772 | << RefExpr->getSourceRange(); |
19773 | continue; |
19774 | } |
19775 | RD.ExprPostUpdates.emplace_back( |
19776 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); |
19777 | } |
19778 | } |
19779 | } |
19780 | // All reduction items are still marked as reduction (to do not increase |
19781 | // code base size). |
19782 | unsigned Modifier = RD.RedModifier; |
19783 | // Consider task_reductions as reductions with task modifier. Required for |
19784 | // correct analysis of in_reduction clauses. |
19785 | if (CurrDir == OMPD_taskgroup && ClauseKind == OMPC_task_reduction) |
19786 | Modifier = OMPC_REDUCTION_task; |
19787 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref, Modifier, |
19788 | ASE || OASE); |
19789 | if (Modifier == OMPC_REDUCTION_task && |
19790 | (CurrDir == OMPD_taskgroup || |
19791 | ((isOpenMPParallelDirective(CurrDir) || |
19792 | isOpenMPWorksharingDirective(CurrDir)) && |
19793 | !isOpenMPSimdDirective(CurrDir)))) { |
19794 | if (DeclareReductionRef.isUsable()) |
19795 | Stack->addTaskgroupReductionData(D, ReductionIdRange, |
19796 | DeclareReductionRef.get()); |
19797 | else |
19798 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); |
19799 | } |
19800 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), |
19801 | TaskgroupDescriptor, CopyOpRes.get(), TempArrayRes.get(), |
19802 | TempArrayElem.get()); |
19803 | } |
19804 | return RD.Vars.empty(); |
19805 | } |
19806 | |
19807 | OMPClause *Sema::ActOnOpenMPReductionClause( |
19808 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, |
19809 | SourceLocation StartLoc, SourceLocation LParenLoc, |
19810 | SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, |
19811 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
19812 | ArrayRef<Expr *> UnresolvedReductions) { |
19813 | if (ModifierLoc.isValid() && Modifier == OMPC_REDUCTION_unknown) { |
19814 | Diag(LParenLoc, diag::err_omp_unexpected_clause_value) |
19815 | << getListOfPossibleValues(OMPC_reduction, /*First=*/0, |
19816 | /*Last=*/OMPC_REDUCTION_unknown) |
19817 | << getOpenMPClauseName(OMPC_reduction); |
19818 | return nullptr; |
19819 | } |
19820 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions |
19821 | // A reduction clause with the inscan reduction-modifier may only appear on a |
19822 | // worksharing-loop construct, a worksharing-loop SIMD construct, a simd |
19823 | // construct, a parallel worksharing-loop construct or a parallel |
19824 | // worksharing-loop SIMD construct. |
19825 | if (Modifier == OMPC_REDUCTION_inscan && |
19826 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for && |
19827 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for_simd && |
19828 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_simd && |
19829 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for && |
19830 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for_simd)) { |
19831 | Diag(ModifierLoc, diag::err_omp_wrong_inscan_reduction); |
19832 | return nullptr; |
19833 | } |
19834 | |
19835 | ReductionData RD(VarList.size(), Modifier); |
19836 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, |
19837 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
19838 | ReductionIdScopeSpec, ReductionId, |
19839 | UnresolvedReductions, RD)) |
19840 | return nullptr; |
19841 | |
19842 | return OMPReductionClause::Create( |
19843 | Context, StartLoc, LParenLoc, ModifierLoc, ColonLoc, EndLoc, Modifier, |
19844 | RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
19845 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.InscanCopyOps, |
19846 | RD.InscanCopyArrayTemps, RD.InscanCopyArrayElems, |
19847 | buildPreInits(Context, RD.ExprCaptures), |
19848 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
19849 | } |
19850 | |
19851 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( |
19852 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
19853 | SourceLocation ColonLoc, SourceLocation EndLoc, |
19854 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
19855 | ArrayRef<Expr *> UnresolvedReductions) { |
19856 | ReductionData RD(VarList.size()); |
19857 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, |
19858 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
19859 | ReductionIdScopeSpec, ReductionId, |
19860 | UnresolvedReductions, RD)) |
19861 | return nullptr; |
19862 | |
19863 | return OMPTaskReductionClause::Create( |
19864 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, |
19865 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
19866 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, |
19867 | buildPreInits(Context, RD.ExprCaptures), |
19868 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
19869 | } |
19870 | |
19871 | OMPClause *Sema::ActOnOpenMPInReductionClause( |
19872 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
19873 | SourceLocation ColonLoc, SourceLocation EndLoc, |
19874 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
19875 | ArrayRef<Expr *> UnresolvedReductions) { |
19876 | ReductionData RD(VarList.size()); |
19877 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, |
19878 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
19879 | ReductionIdScopeSpec, ReductionId, |
19880 | UnresolvedReductions, RD)) |
19881 | return nullptr; |
19882 | |
19883 | return OMPInReductionClause::Create( |
19884 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, |
19885 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
19886 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, |
19887 | buildPreInits(Context, RD.ExprCaptures), |
19888 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
19889 | } |
19890 | |
19891 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, |
19892 | SourceLocation LinLoc) { |
19893 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || |
19894 | LinKind == OMPC_LINEAR_unknown) { |
19895 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; |
19896 | return true; |
19897 | } |
19898 | return false; |
19899 | } |
19900 | |
19901 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, |
19902 | OpenMPLinearClauseKind LinKind, QualType Type, |
19903 | bool IsDeclareSimd) { |
19904 | const auto *VD = dyn_cast_or_null<VarDecl>(D); |
19905 | // A variable must not have an incomplete type or a reference type. |
19906 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) |
19907 | return true; |
19908 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && |
19909 | !Type->isReferenceType()) { |
19910 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) |
19911 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); |
19912 | return true; |
19913 | } |
19914 | Type = Type.getNonReferenceType(); |
19915 | |
19916 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
19917 | // A variable that is privatized must not have a const-qualified type |
19918 | // unless it is of class type with a mutable member. This restriction does |
19919 | // not apply to the firstprivate clause, nor to the linear clause on |
19920 | // declarative directives (like declare simd). |
19921 | if (!IsDeclareSimd && |
19922 | rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) |
19923 | return true; |
19924 | |
19925 | // A list item must be of integral or pointer type. |
19926 | Type = Type.getUnqualifiedType().getCanonicalType(); |
19927 | const auto *Ty = Type.getTypePtrOrNull(); |
19928 | if (!Ty || (LinKind != OMPC_LINEAR_ref && !Ty->isDependentType() && |
19929 | !Ty->isIntegralType(Context) && !Ty->isPointerType())) { |
19930 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; |
19931 | if (D) { |
19932 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
19933 | VarDecl::DeclarationOnly; |
19934 | Diag(D->getLocation(), |
19935 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
19936 | << D; |
19937 | } |
19938 | return true; |
19939 | } |
19940 | return false; |
19941 | } |
19942 | |
19943 | OMPClause *Sema::ActOnOpenMPLinearClause( |
19944 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, |
19945 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, |
19946 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { |
19947 | SmallVector<Expr *, 8> Vars; |
19948 | SmallVector<Expr *, 8> Privates; |
19949 | SmallVector<Expr *, 8> Inits; |
19950 | SmallVector<Decl *, 4> ExprCaptures; |
19951 | SmallVector<Expr *, 4> ExprPostUpdates; |
19952 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) |
19953 | LinKind = OMPC_LINEAR_val; |
19954 | for (Expr *RefExpr : VarList) { |
19955 | 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", 19955, __extension__ __PRETTY_FUNCTION__ )); |
19956 | SourceLocation ELoc; |
19957 | SourceRange ERange; |
19958 | Expr *SimpleRefExpr = RefExpr; |
19959 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
19960 | if (Res.second) { |
19961 | // It will be analyzed later. |
19962 | Vars.push_back(RefExpr); |
19963 | Privates.push_back(nullptr); |
19964 | Inits.push_back(nullptr); |
19965 | } |
19966 | ValueDecl *D = Res.first; |
19967 | if (!D) |
19968 | continue; |
19969 | |
19970 | QualType Type = D->getType(); |
19971 | auto *VD = dyn_cast<VarDecl>(D); |
19972 | |
19973 | // OpenMP [2.14.3.7, linear clause] |
19974 | // A list-item cannot appear in more than one linear clause. |
19975 | // A list-item that appears in a linear clause cannot appear in any |
19976 | // other data-sharing attribute clause. |
19977 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
19978 | if (DVar.RefExpr) { |
19979 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
19980 | << getOpenMPClauseName(OMPC_linear); |
19981 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
19982 | continue; |
19983 | } |
19984 | |
19985 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) |
19986 | continue; |
19987 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); |
19988 | |
19989 | // Build private copy of original var. |
19990 | VarDecl *Private = |
19991 | buildVarDecl(*this, ELoc, Type, D->getName(), |
19992 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
19993 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
19994 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); |
19995 | // Build var to save initial value. |
19996 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); |
19997 | Expr *InitExpr; |
19998 | DeclRefExpr *Ref = nullptr; |
19999 | if (!VD && !CurContext->isDependentContext()) { |
20000 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
20001 | if (!isOpenMPCapturedDecl(D)) { |
20002 | ExprCaptures.push_back(Ref->getDecl()); |
20003 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { |
20004 | ExprResult RefRes = DefaultLvalueConversion(Ref); |
20005 | if (!RefRes.isUsable()) |
20006 | continue; |
20007 | ExprResult PostUpdateRes = |
20008 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, |
20009 | SimpleRefExpr, RefRes.get()); |
20010 | if (!PostUpdateRes.isUsable()) |
20011 | continue; |
20012 | ExprPostUpdates.push_back( |
20013 | IgnoredValueConversions(PostUpdateRes.get()).get()); |
20014 | } |
20015 | } |
20016 | } |
20017 | if (LinKind == OMPC_LINEAR_uval) |
20018 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; |
20019 | else |
20020 | InitExpr = VD ? SimpleRefExpr : Ref; |
20021 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), |
20022 | /*DirectInit=*/false); |
20023 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); |
20024 | |
20025 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); |
20026 | Vars.push_back((VD || CurContext->isDependentContext()) |
20027 | ? RefExpr->IgnoreParens() |
20028 | : Ref); |
20029 | Privates.push_back(PrivateRef); |
20030 | Inits.push_back(InitRef); |
20031 | } |
20032 | |
20033 | if (Vars.empty()) |
20034 | return nullptr; |
20035 | |
20036 | Expr *StepExpr = Step; |
20037 | Expr *CalcStepExpr = nullptr; |
20038 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && |
20039 | !Step->isInstantiationDependent() && |
20040 | !Step->containsUnexpandedParameterPack()) { |
20041 | SourceLocation StepLoc = Step->getBeginLoc(); |
20042 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); |
20043 | if (Val.isInvalid()) |
20044 | return nullptr; |
20045 | StepExpr = Val.get(); |
20046 | |
20047 | // Build var to save the step value. |
20048 | VarDecl *SaveVar = |
20049 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); |
20050 | ExprResult SaveRef = |
20051 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); |
20052 | ExprResult CalcStep = |
20053 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); |
20054 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); |
20055 | |
20056 | // Warn about zero linear step (it would be probably better specified as |
20057 | // making corresponding variables 'const'). |
20058 | if (std::optional<llvm::APSInt> Result = |
20059 | StepExpr->getIntegerConstantExpr(Context)) { |
20060 | if (!Result->isNegative() && !Result->isStrictlyPositive()) |
20061 | Diag(StepLoc, diag::warn_omp_linear_step_zero) |
20062 | << Vars[0] << (Vars.size() > 1); |
20063 | } else if (CalcStep.isUsable()) { |
20064 | // Calculate the step beforehand instead of doing this on each iteration. |
20065 | // (This is not used if the number of iterations may be kfold-ed). |
20066 | CalcStepExpr = CalcStep.get(); |
20067 | } |
20068 | } |
20069 | |
20070 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, |
20071 | ColonLoc, EndLoc, Vars, Privates, Inits, |
20072 | StepExpr, CalcStepExpr, |
20073 | buildPreInits(Context, ExprCaptures), |
20074 | buildPostUpdate(*this, ExprPostUpdates)); |
20075 | } |
20076 | |
20077 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, |
20078 | Expr *NumIterations, Sema &SemaRef, |
20079 | Scope *S, DSAStackTy *Stack) { |
20080 | // Walk the vars and build update/final expressions for the CodeGen. |
20081 | SmallVector<Expr *, 8> Updates; |
20082 | SmallVector<Expr *, 8> Finals; |
20083 | SmallVector<Expr *, 8> UsedExprs; |
20084 | Expr *Step = Clause.getStep(); |
20085 | Expr *CalcStep = Clause.getCalcStep(); |
20086 | // OpenMP [2.14.3.7, linear clause] |
20087 | // If linear-step is not specified it is assumed to be 1. |
20088 | if (!Step) |
20089 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); |
20090 | else if (CalcStep) |
20091 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); |
20092 | bool HasErrors = false; |
20093 | auto CurInit = Clause.inits().begin(); |
20094 | auto CurPrivate = Clause.privates().begin(); |
20095 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); |
20096 | for (Expr *RefExpr : Clause.varlists()) { |
20097 | SourceLocation ELoc; |
20098 | SourceRange ERange; |
20099 | Expr *SimpleRefExpr = RefExpr; |
20100 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); |
20101 | ValueDecl *D = Res.first; |
20102 | if (Res.second || !D) { |
20103 | Updates.push_back(nullptr); |
20104 | Finals.push_back(nullptr); |
20105 | HasErrors = true; |
20106 | continue; |
20107 | } |
20108 | auto &&Info = Stack->isLoopControlVariable(D); |
20109 | // OpenMP [2.15.11, distribute simd Construct] |
20110 | // A list item may not appear in a linear clause, unless it is the loop |
20111 | // iteration variable. |
20112 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && |
20113 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { |
20114 | SemaRef.Diag(ELoc, |
20115 | diag::err_omp_linear_distribute_var_non_loop_iteration); |
20116 | Updates.push_back(nullptr); |
20117 | Finals.push_back(nullptr); |
20118 | HasErrors = true; |
20119 | continue; |
20120 | } |
20121 | Expr *InitExpr = *CurInit; |
20122 | |
20123 | // Build privatized reference to the current linear var. |
20124 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); |
20125 | Expr *CapturedRef; |
20126 | if (LinKind == OMPC_LINEAR_uval) |
20127 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); |
20128 | else |
20129 | CapturedRef = |
20130 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), |
20131 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), |
20132 | /*RefersToCapture=*/true); |
20133 | |
20134 | // Build update: Var = InitExpr + IV * Step |
20135 | ExprResult Update; |
20136 | if (!Info.first) |
20137 | Update = buildCounterUpdate( |
20138 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, |
20139 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); |
20140 | else |
20141 | Update = *CurPrivate; |
20142 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), |
20143 | /*DiscardedValue*/ false); |
20144 | |
20145 | // Build final: Var = PrivCopy; |
20146 | ExprResult Final; |
20147 | if (!Info.first) |
20148 | Final = SemaRef.BuildBinOp( |
20149 | S, RefExpr->getExprLoc(), BO_Assign, CapturedRef, |
20150 | SemaRef.DefaultLvalueConversion(*CurPrivate).get()); |
20151 | else |
20152 | Final = *CurPrivate; |
20153 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), |
20154 | /*DiscardedValue*/ false); |
20155 | |
20156 | if (!Update.isUsable() || !Final.isUsable()) { |
20157 | Updates.push_back(nullptr); |
20158 | Finals.push_back(nullptr); |
20159 | UsedExprs.push_back(nullptr); |
20160 | HasErrors = true; |
20161 | } else { |
20162 | Updates.push_back(Update.get()); |
20163 | Finals.push_back(Final.get()); |
20164 | if (!Info.first) |
20165 | UsedExprs.push_back(SimpleRefExpr); |
20166 | } |
20167 | ++CurInit; |
20168 | ++CurPrivate; |
20169 | } |
20170 | if (Expr *S = Clause.getStep()) |
20171 | UsedExprs.push_back(S); |
20172 | // Fill the remaining part with the nullptr. |
20173 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); |
20174 | Clause.setUpdates(Updates); |
20175 | Clause.setFinals(Finals); |
20176 | Clause.setUsedExprs(UsedExprs); |
20177 | return HasErrors; |
20178 | } |
20179 | |
20180 | OMPClause *Sema::ActOnOpenMPAlignedClause( |
20181 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, |
20182 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { |
20183 | SmallVector<Expr *, 8> Vars; |
20184 | for (Expr *RefExpr : VarList) { |
20185 | 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", 20185, __extension__ __PRETTY_FUNCTION__ )); |
20186 | SourceLocation ELoc; |
20187 | SourceRange ERange; |
20188 | Expr *SimpleRefExpr = RefExpr; |
20189 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
20190 | if (Res.second) { |
20191 | // It will be analyzed later. |
20192 | Vars.push_back(RefExpr); |
20193 | } |
20194 | ValueDecl *D = Res.first; |
20195 | if (!D) |
20196 | continue; |
20197 | |
20198 | QualType QType = D->getType(); |
20199 | auto *VD = dyn_cast<VarDecl>(D); |
20200 | |
20201 | // OpenMP [2.8.1, simd construct, Restrictions] |
20202 | // The type of list items appearing in the aligned clause must be |
20203 | // array, pointer, reference to array, or reference to pointer. |
20204 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); |
20205 | const Type *Ty = QType.getTypePtrOrNull(); |
20206 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { |
20207 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) |
20208 | << QType << getLangOpts().CPlusPlus << ERange; |
20209 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
20210 | VarDecl::DeclarationOnly; |
20211 | Diag(D->getLocation(), |
20212 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
20213 | << D; |
20214 | continue; |
20215 | } |
20216 | |
20217 | // OpenMP [2.8.1, simd construct, Restrictions] |
20218 | // A list-item cannot appear in more than one aligned clause. |
20219 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { |
20220 | Diag(ELoc, diag::err_omp_used_in_clause_twice) |
20221 | << 0 << getOpenMPClauseName(OMPC_aligned) << ERange; |
20222 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) |
20223 | << getOpenMPClauseName(OMPC_aligned); |
20224 | continue; |
20225 | } |
20226 | |
20227 | DeclRefExpr *Ref = nullptr; |
20228 | if (!VD && isOpenMPCapturedDecl(D)) |
20229 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
20230 | Vars.push_back(DefaultFunctionArrayConversion( |
20231 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) |
20232 | .get()); |
20233 | } |
20234 | |
20235 | // OpenMP [2.8.1, simd construct, Description] |
20236 | // The parameter of the aligned clause, alignment, must be a constant |
20237 | // positive integer expression. |
20238 | // If no optional parameter is specified, implementation-defined default |
20239 | // alignments for SIMD instructions on the target platforms are assumed. |
20240 | if (Alignment != nullptr) { |
20241 | ExprResult AlignResult = |
20242 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); |
20243 | if (AlignResult.isInvalid()) |
20244 | return nullptr; |
20245 | Alignment = AlignResult.get(); |
20246 | } |
20247 | if (Vars.empty()) |
20248 | return nullptr; |
20249 | |
20250 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, |
20251 | EndLoc, Vars, Alignment); |
20252 | } |
20253 | |
20254 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, |
20255 | SourceLocation StartLoc, |
20256 | SourceLocation LParenLoc, |
20257 | SourceLocation EndLoc) { |
20258 | SmallVector<Expr *, 8> Vars; |
20259 | SmallVector<Expr *, 8> SrcExprs; |
20260 | SmallVector<Expr *, 8> DstExprs; |
20261 | SmallVector<Expr *, 8> AssignmentOps; |
20262 | for (Expr *RefExpr : VarList) { |
20263 | 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", 20263, __extension__ __PRETTY_FUNCTION__ )); |
20264 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { |
20265 | // It will be analyzed later. |
20266 | Vars.push_back(RefExpr); |
20267 | SrcExprs.push_back(nullptr); |
20268 | DstExprs.push_back(nullptr); |
20269 | AssignmentOps.push_back(nullptr); |
20270 | continue; |
20271 | } |
20272 | |
20273 | SourceLocation ELoc = RefExpr->getExprLoc(); |
20274 | // OpenMP [2.1, C/C++] |
20275 | // A list item is a variable name. |
20276 | // OpenMP [2.14.4.1, Restrictions, p.1] |
20277 | // A list item that appears in a copyin clause must be threadprivate. |
20278 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); |
20279 | if (!DE || !isa<VarDecl>(DE->getDecl())) { |
20280 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) |
20281 | << 0 << RefExpr->getSourceRange(); |
20282 | continue; |
20283 | } |
20284 | |
20285 | Decl *D = DE->getDecl(); |
20286 | auto *VD = cast<VarDecl>(D); |
20287 | |
20288 | QualType Type = VD->getType(); |
20289 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { |
20290 | // It will be analyzed later. |
20291 | Vars.push_back(DE); |
20292 | SrcExprs.push_back(nullptr); |
20293 | DstExprs.push_back(nullptr); |
20294 | AssignmentOps.push_back(nullptr); |
20295 | continue; |
20296 | } |
20297 | |
20298 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] |
20299 | // A list item that appears in a copyin clause must be threadprivate. |
20300 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
20301 | Diag(ELoc, diag::err_omp_required_access) |
20302 | << getOpenMPClauseName(OMPC_copyin) |
20303 | << getOpenMPDirectiveName(OMPD_threadprivate); |
20304 | continue; |
20305 | } |
20306 | |
20307 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] |
20308 | // A variable of class type (or array thereof) that appears in a |
20309 | // copyin clause requires an accessible, unambiguous copy assignment |
20310 | // operator for the class type. |
20311 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); |
20312 | VarDecl *SrcVD = |
20313 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), |
20314 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); |
20315 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( |
20316 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); |
20317 | VarDecl *DstVD = |
20318 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", |
20319 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); |
20320 | DeclRefExpr *PseudoDstExpr = |
20321 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); |
20322 | // For arrays generate assignment operation for single element and replace |
20323 | // it by the original array element in CodeGen. |
20324 | ExprResult AssignmentOp = |
20325 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, |
20326 | PseudoSrcExpr); |
20327 | if (AssignmentOp.isInvalid()) |
20328 | continue; |
20329 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), |
20330 | /*DiscardedValue*/ false); |
20331 | if (AssignmentOp.isInvalid()) |
20332 | continue; |
20333 | |
20334 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); |
20335 | Vars.push_back(DE); |
20336 | SrcExprs.push_back(PseudoSrcExpr); |
20337 | DstExprs.push_back(PseudoDstExpr); |
20338 | AssignmentOps.push_back(AssignmentOp.get()); |
20339 | } |
20340 | |
20341 | if (Vars.empty()) |
20342 | return nullptr; |
20343 | |
20344 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, |
20345 | SrcExprs, DstExprs, AssignmentOps); |
20346 | } |
20347 | |
20348 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, |
20349 | SourceLocation StartLoc, |
20350 | SourceLocation LParenLoc, |
20351 | SourceLocation EndLoc) { |
20352 | SmallVector<Expr *, 8> Vars; |
20353 | SmallVector<Expr *, 8> SrcExprs; |
20354 | SmallVector<Expr *, 8> DstExprs; |
20355 | SmallVector<Expr *, 8> AssignmentOps; |
20356 | for (Expr *RefExpr : VarList) { |
20357 | 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", 20357, __extension__ __PRETTY_FUNCTION__ )); |
20358 | SourceLocation ELoc; |
20359 | SourceRange ERange; |
20360 | Expr *SimpleRefExpr = RefExpr; |
20361 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
20362 | if (Res.second) { |
20363 | // It will be analyzed later. |
20364 | Vars.push_back(RefExpr); |
20365 | SrcExprs.push_back(nullptr); |
20366 | DstExprs.push_back(nullptr); |
20367 | AssignmentOps.push_back(nullptr); |
20368 | } |
20369 | ValueDecl *D = Res.first; |
20370 | if (!D) |
20371 | continue; |
20372 | |
20373 | QualType Type = D->getType(); |
20374 | auto *VD = dyn_cast<VarDecl>(D); |
20375 | |
20376 | // OpenMP [2.14.4.2, Restrictions, p.2] |
20377 | // A list item that appears in a copyprivate clause may not appear in a |
20378 | // private or firstprivate clause on the single construct. |
20379 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
20380 | DSAStackTy::DSAVarData DVar = |
20381 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
20382 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && |
20383 | DVar.RefExpr) { |
20384 | Diag(ELoc, diag::err_omp_wrong_dsa) |
20385 | << getOpenMPClauseName(DVar.CKind) |
20386 | << getOpenMPClauseName(OMPC_copyprivate); |
20387 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
20388 | continue; |
20389 | } |
20390 | |
20391 | // OpenMP [2.11.4.2, Restrictions, p.1] |
20392 | // All list items that appear in a copyprivate clause must be either |
20393 | // threadprivate or private in the enclosing context. |
20394 | if (DVar.CKind == OMPC_unknown) { |
20395 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); |
20396 | if (DVar.CKind == OMPC_shared) { |
20397 | Diag(ELoc, diag::err_omp_required_access) |
20398 | << getOpenMPClauseName(OMPC_copyprivate) |
20399 | << "threadprivate or private in the enclosing context"; |
20400 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
20401 | continue; |
20402 | } |
20403 | } |
20404 | } |
20405 | |
20406 | // Variably modified types are not supported. |
20407 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { |
20408 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
20409 | << getOpenMPClauseName(OMPC_copyprivate) << Type |
20410 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
20411 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
20412 | VarDecl::DeclarationOnly; |
20413 | Diag(D->getLocation(), |
20414 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
20415 | << D; |
20416 | continue; |
20417 | } |
20418 | |
20419 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] |
20420 | // A variable of class type (or array thereof) that appears in a |
20421 | // copyin clause requires an accessible, unambiguous copy assignment |
20422 | // operator for the class type. |
20423 | Type = Context.getBaseElementType(Type.getNonReferenceType()) |
20424 | .getUnqualifiedType(); |
20425 | VarDecl *SrcVD = |
20426 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", |
20427 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
20428 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); |
20429 | VarDecl *DstVD = |
20430 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", |
20431 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
20432 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); |
20433 | ExprResult AssignmentOp = BuildBinOp( |
20434 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); |
20435 | if (AssignmentOp.isInvalid()) |
20436 | continue; |
20437 | AssignmentOp = |
20438 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); |
20439 | if (AssignmentOp.isInvalid()) |
20440 | continue; |
20441 | |
20442 | // No need to mark vars as copyprivate, they are already threadprivate or |
20443 | // implicitly private. |
20444 | assert(VD || isOpenMPCapturedDecl(D))(static_cast <bool> (VD || isOpenMPCapturedDecl(D)) ? void (0) : __assert_fail ("VD || isOpenMPCapturedDecl(D)", "clang/lib/Sema/SemaOpenMP.cpp" , 20444, __extension__ __PRETTY_FUNCTION__)); |
20445 | Vars.push_back( |
20446 | VD ? RefExpr->IgnoreParens() |
20447 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); |
20448 | SrcExprs.push_back(PseudoSrcExpr); |
20449 | DstExprs.push_back(PseudoDstExpr); |
20450 | AssignmentOps.push_back(AssignmentOp.get()); |
20451 | } |
20452 | |
20453 | if (Vars.empty()) |
20454 | return nullptr; |
20455 | |
20456 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
20457 | Vars, SrcExprs, DstExprs, AssignmentOps); |
20458 | } |
20459 | |
20460 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, |
20461 | SourceLocation StartLoc, |
20462 | SourceLocation LParenLoc, |
20463 | SourceLocation EndLoc) { |
20464 | if (VarList.empty()) |
20465 | return nullptr; |
20466 | |
20467 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); |
20468 | } |
20469 | |
20470 | /// Tries to find omp_depend_t. type. |
20471 | static bool findOMPDependT(Sema &S, SourceLocation Loc, DSAStackTy *Stack, |
20472 | bool Diagnose = true) { |
20473 | QualType OMPDependT = Stack->getOMPDependT(); |
20474 | if (!OMPDependT.isNull()) |
20475 | return true; |
20476 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_depend_t"); |
20477 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); |
20478 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
20479 | if (Diagnose) |
20480 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_depend_t"; |
20481 | return false; |
20482 | } |
20483 | Stack->setOMPDependT(PT.get()); |
20484 | return true; |
20485 | } |
20486 | |
20487 | OMPClause *Sema::ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, |
20488 | SourceLocation LParenLoc, |
20489 | SourceLocation EndLoc) { |
20490 | if (!Depobj) |
20491 | return nullptr; |
20492 | |
20493 | bool OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )); |
20494 | |
20495 | // OpenMP 5.0, 2.17.10.1 depobj Construct |
20496 | // depobj is an lvalue expression of type omp_depend_t. |
20497 | if (!Depobj->isTypeDependent() && !Depobj->isValueDependent() && |
20498 | !Depobj->isInstantiationDependent() && |
20499 | !Depobj->containsUnexpandedParameterPack() && |
20500 | (OMPDependTFound && |
20501 | !Context.typesAreCompatible(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), Depobj->getType(), |
20502 | /*CompareUnqualified=*/true))) { |
20503 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) |
20504 | << 0 << Depobj->getType() << Depobj->getSourceRange(); |
20505 | } |
20506 | |
20507 | if (!Depobj->isLValue()) { |
20508 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) |
20509 | << 1 << Depobj->getSourceRange(); |
20510 | } |
20511 | |
20512 | return OMPDepobjClause::Create(Context, StartLoc, LParenLoc, EndLoc, Depobj); |
20513 | } |
20514 | |
20515 | OMPClause * |
20516 | Sema::ActOnOpenMPDependClause(const OMPDependClause::DependDataTy &Data, |
20517 | Expr *DepModifier, ArrayRef<Expr *> VarList, |
20518 | SourceLocation StartLoc, SourceLocation LParenLoc, |
20519 | SourceLocation EndLoc) { |
20520 | OpenMPDependClauseKind DepKind = Data.DepKind; |
20521 | SourceLocation DepLoc = Data.DepLoc; |
20522 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && |
20523 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { |
20524 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) |
20525 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); |
20526 | return nullptr; |
20527 | } |
20528 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_taskwait && |
20529 | DepKind == OMPC_DEPEND_mutexinoutset) { |
20530 | Diag(DepLoc, diag::err_omp_taskwait_depend_mutexinoutset_not_allowed); |
20531 | return nullptr; |
20532 | } |
20533 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered || |
20534 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && |
20535 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || |
20536 | DepKind == OMPC_DEPEND_sink || |
20537 | ((LangOpts.OpenMP < 50 || |
20538 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && |
20539 | DepKind == OMPC_DEPEND_depobj))) { |
20540 | SmallVector<unsigned, 6> Except = {OMPC_DEPEND_source, OMPC_DEPEND_sink, |
20541 | OMPC_DEPEND_outallmemory, |
20542 | OMPC_DEPEND_inoutallmemory}; |
20543 | if (LangOpts.OpenMP < 50 || DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) |
20544 | Except.push_back(OMPC_DEPEND_depobj); |
20545 | if (LangOpts.OpenMP < 51) |
20546 | Except.push_back(OMPC_DEPEND_inoutset); |
20547 | std::string Expected = (LangOpts.OpenMP >= 50 && !DepModifier) |
20548 | ? "depend modifier(iterator) or " |
20549 | : ""; |
20550 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) |
20551 | << Expected + getListOfPossibleValues(OMPC_depend, /*First=*/0, |
20552 | /*Last=*/OMPC_DEPEND_unknown, |
20553 | Except) |
20554 | << getOpenMPClauseName(OMPC_depend); |
20555 | return nullptr; |
20556 | } |
20557 | if (DepModifier && |
20558 | (DepKind == OMPC_DEPEND_source || DepKind == OMPC_DEPEND_sink)) { |
20559 | Diag(DepModifier->getExprLoc(), |
20560 | diag::err_omp_depend_sink_source_with_modifier); |
20561 | return nullptr; |
20562 | } |
20563 | if (DepModifier && |
20564 | !DepModifier->getType()->isSpecificBuiltinType(BuiltinType::OMPIterator)) |
20565 | Diag(DepModifier->getExprLoc(), diag::err_omp_depend_modifier_not_iterator); |
20566 | |
20567 | SmallVector<Expr *, 8> Vars; |
20568 | DSAStackTy::OperatorOffsetTy OpsOffs; |
20569 | llvm::APSInt DepCounter(/*BitWidth=*/32); |
20570 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); |
20571 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { |
20572 | if (const Expr *OrderedCountExpr = |
20573 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
20574 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); |
20575 | TotalDepCount.setIsUnsigned(/*Val=*/true); |
20576 | } |
20577 | } |
20578 | for (Expr *RefExpr : VarList) { |
20579 | 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", 20579, __extension__ __PRETTY_FUNCTION__ )); |
20580 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { |
20581 | // It will be analyzed later. |
20582 | Vars.push_back(RefExpr); |
20583 | continue; |
20584 | } |
20585 | |
20586 | SourceLocation ELoc = RefExpr->getExprLoc(); |
20587 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); |
20588 | if (DepKind == OMPC_DEPEND_sink) { |
20589 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
20590 | DepCounter >= TotalDepCount) { |
20591 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); |
20592 | continue; |
20593 | } |
20594 | ++DepCounter; |
20595 | // OpenMP [2.13.9, Summary] |
20596 | // depend(dependence-type : vec), where dependence-type is: |
20597 | // 'sink' and where vec is the iteration vector, which has the form: |
20598 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] |
20599 | // where n is the value specified by the ordered clause in the loop |
20600 | // directive, xi denotes the loop iteration variable of the i-th nested |
20601 | // loop associated with the loop directive, and di is a constant |
20602 | // non-negative integer. |
20603 | if (CurContext->isDependentContext()) { |
20604 | // It will be analyzed later. |
20605 | Vars.push_back(RefExpr); |
20606 | continue; |
20607 | } |
20608 | SimpleExpr = SimpleExpr->IgnoreImplicit(); |
20609 | OverloadedOperatorKind OOK = OO_None; |
20610 | SourceLocation OOLoc; |
20611 | Expr *LHS = SimpleExpr; |
20612 | Expr *RHS = nullptr; |
20613 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { |
20614 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); |
20615 | OOLoc = BO->getOperatorLoc(); |
20616 | LHS = BO->getLHS()->IgnoreParenImpCasts(); |
20617 | RHS = BO->getRHS()->IgnoreParenImpCasts(); |
20618 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { |
20619 | OOK = OCE->getOperator(); |
20620 | OOLoc = OCE->getOperatorLoc(); |
20621 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); |
20622 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); |
20623 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { |
20624 | OOK = MCE->getMethodDecl() |
20625 | ->getNameInfo() |
20626 | .getName() |
20627 | .getCXXOverloadedOperator(); |
20628 | OOLoc = MCE->getCallee()->getExprLoc(); |
20629 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); |
20630 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); |
20631 | } |
20632 | SourceLocation ELoc; |
20633 | SourceRange ERange; |
20634 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); |
20635 | if (Res.second) { |
20636 | // It will be analyzed later. |
20637 | Vars.push_back(RefExpr); |
20638 | } |
20639 | ValueDecl *D = Res.first; |
20640 | if (!D) |
20641 | continue; |
20642 | |
20643 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { |
20644 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); |
20645 | continue; |
20646 | } |
20647 | if (RHS) { |
20648 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( |
20649 | RHS, OMPC_depend, /*StrictlyPositive=*/false); |
20650 | if (RHSRes.isInvalid()) |
20651 | continue; |
20652 | } |
20653 | if (!CurContext->isDependentContext() && |
20654 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
20655 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { |
20656 | const ValueDecl *VD = |
20657 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); |
20658 | if (VD) |
20659 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) |
20660 | << 1 << VD; |
20661 | else |
20662 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; |
20663 | continue; |
20664 | } |
20665 | OpsOffs.emplace_back(RHS, OOK); |
20666 | } else { |
20667 | bool OMPDependTFound = LangOpts.OpenMP >= 50; |
20668 | if (OMPDependTFound) |
20669 | OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
20670 | DepKind == OMPC_DEPEND_depobj); |
20671 | if (DepKind == OMPC_DEPEND_depobj) { |
20672 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ |
20673 | // List items used in depend clauses with the depobj dependence type |
20674 | // must be expressions of the omp_depend_t type. |
20675 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && |
20676 | !RefExpr->isInstantiationDependent() && |
20677 | !RefExpr->containsUnexpandedParameterPack() && |
20678 | (OMPDependTFound && |
20679 | !Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), |
20680 | RefExpr->getType()))) { |
20681 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) |
20682 | << 0 << RefExpr->getType() << RefExpr->getSourceRange(); |
20683 | continue; |
20684 | } |
20685 | if (!RefExpr->isLValue()) { |
20686 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) |
20687 | << 1 << RefExpr->getType() << RefExpr->getSourceRange(); |
20688 | continue; |
20689 | } |
20690 | } else { |
20691 | // OpenMP 5.0 [2.17.11, Restrictions] |
20692 | // List items used in depend clauses cannot be zero-length array |
20693 | // sections. |
20694 | QualType ExprTy = RefExpr->getType().getNonReferenceType(); |
20695 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(SimpleExpr); |
20696 | if (OASE) { |
20697 | QualType BaseType = |
20698 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
20699 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
20700 | ExprTy = ATy->getElementType(); |
20701 | else |
20702 | ExprTy = BaseType->getPointeeType(); |
20703 | ExprTy = ExprTy.getNonReferenceType(); |
20704 | const Expr *Length = OASE->getLength(); |
20705 | Expr::EvalResult Result; |
20706 | if (Length && !Length->isValueDependent() && |
20707 | Length->EvaluateAsInt(Result, Context) && |
20708 | Result.Val.getInt().isZero()) { |
20709 | Diag(ELoc, |
20710 | diag::err_omp_depend_zero_length_array_section_not_allowed) |
20711 | << SimpleExpr->getSourceRange(); |
20712 | continue; |
20713 | } |
20714 | } |
20715 | |
20716 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ |
20717 | // List items used in depend clauses with the in, out, inout, |
20718 | // inoutset, or mutexinoutset dependence types cannot be |
20719 | // expressions of the omp_depend_t type. |
20720 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && |
20721 | !RefExpr->isInstantiationDependent() && |
20722 | !RefExpr->containsUnexpandedParameterPack() && |
20723 | (!RefExpr->IgnoreParenImpCasts()->isLValue() || |
20724 | (OMPDependTFound && |
20725 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT().getTypePtr() == ExprTy.getTypePtr()))) { |
20726 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
20727 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
20728 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
20729 | continue; |
20730 | } |
20731 | |
20732 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); |
20733 | if (ASE && !ASE->getBase()->isTypeDependent() && |
20734 | !ASE->getBase()->getType().getNonReferenceType()->isPointerType() && |
20735 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType()) { |
20736 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
20737 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
20738 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
20739 | continue; |
20740 | } |
20741 | |
20742 | ExprResult Res; |
20743 | { |
20744 | Sema::TentativeAnalysisScope Trap(*this); |
20745 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, |
20746 | RefExpr->IgnoreParenImpCasts()); |
20747 | } |
20748 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && |
20749 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { |
20750 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
20751 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
20752 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
20753 | continue; |
20754 | } |
20755 | } |
20756 | } |
20757 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); |
20758 | } |
20759 | |
20760 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && |
20761 | TotalDepCount > VarList.size() && |
20762 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
20763 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { |
20764 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) |
20765 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); |
20766 | } |
20767 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && |
20768 | DepKind != OMPC_DEPEND_outallmemory && |
20769 | DepKind != OMPC_DEPEND_inoutallmemory && Vars.empty()) |
20770 | return nullptr; |
20771 | |
20772 | auto *C = OMPDependClause::Create( |
20773 | Context, StartLoc, LParenLoc, EndLoc, |
20774 | {DepKind, DepLoc, Data.ColonLoc, Data.OmpAllMemoryLoc}, DepModifier, Vars, |
20775 | TotalDepCount.getZExtValue()); |
20776 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && |
20777 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) |
20778 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); |
20779 | return C; |
20780 | } |
20781 | |
20782 | OMPClause *Sema::ActOnOpenMPDeviceClause(OpenMPDeviceClauseModifier Modifier, |
20783 | Expr *Device, SourceLocation StartLoc, |
20784 | SourceLocation LParenLoc, |
20785 | SourceLocation ModifierLoc, |
20786 | SourceLocation EndLoc) { |
20787 | 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", 20788, __extension__ __PRETTY_FUNCTION__ )) |
20788 | "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", 20788, __extension__ __PRETTY_FUNCTION__ )); |
20789 | |
20790 | bool ErrorFound = false; |
20791 | if (ModifierLoc.isValid() && Modifier == OMPC_DEVICE_unknown) { |
20792 | std::string Values = |
20793 | getListOfPossibleValues(OMPC_device, /*First=*/0, OMPC_DEVICE_unknown); |
20794 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) |
20795 | << Values << getOpenMPClauseName(OMPC_device); |
20796 | ErrorFound = true; |
20797 | } |
20798 | |
20799 | Expr *ValExpr = Device; |
20800 | Stmt *HelperValStmt = nullptr; |
20801 | |
20802 | // OpenMP [2.9.1, Restrictions] |
20803 | // The device expression must evaluate to a non-negative integer value. |
20804 | ErrorFound = !isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, |
20805 | /*StrictlyPositive=*/false) || |
20806 | ErrorFound; |
20807 | if (ErrorFound) |
20808 | return nullptr; |
20809 | |
20810 | // OpenMP 5.0 [2.12.5, Restrictions] |
20811 | // In case of ancestor device-modifier, a requires directive with |
20812 | // the reverse_offload clause must be specified. |
20813 | if (Modifier == OMPC_DEVICE_ancestor) { |
20814 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>()) { |
20815 | targetDiag( |
20816 | StartLoc, |
20817 | diag::err_omp_device_ancestor_without_requires_reverse_offload); |
20818 | ErrorFound = true; |
Value stored to 'ErrorFound' is never read | |
20819 | } |
20820 | } |
20821 | |
20822 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
20823 | OpenMPDirectiveKind CaptureRegion = |
20824 | getOpenMPCaptureRegionForClause(DKind, OMPC_device, LangOpts.OpenMP); |
20825 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
20826 | ValExpr = MakeFullExpr(ValExpr).get(); |
20827 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
20828 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
20829 | HelperValStmt = buildPreInits(Context, Captures); |
20830 | } |
20831 | |
20832 | return new (Context) |
20833 | OMPDeviceClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, |
20834 | LParenLoc, ModifierLoc, EndLoc); |
20835 | } |
20836 | |
20837 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, |
20838 | DSAStackTy *Stack, QualType QTy, |
20839 | bool FullCheck = true) { |
20840 | if (SemaRef.RequireCompleteType(SL, QTy, diag::err_incomplete_type)) |
20841 | return false; |
20842 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && |
20843 | !QTy.isTriviallyCopyableType(SemaRef.Context)) |
20844 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; |
20845 | return true; |
20846 | } |
20847 | |
20848 | /// Return true if it can be proven that the provided array expression |
20849 | /// (array section or array subscript) does NOT specify the whole size of the |
20850 | /// array whose base type is \a BaseQTy. |
20851 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, |
20852 | const Expr *E, |
20853 | QualType BaseQTy) { |
20854 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); |
20855 | |
20856 | // If this is an array subscript, it refers to the whole size if the size of |
20857 | // the dimension is constant and equals 1. Also, an array section assumes the |
20858 | // format of an array subscript if no colon is used. |
20859 | if (isa<ArraySubscriptExpr>(E) || |
20860 | (OASE && OASE->getColonLocFirst().isInvalid())) { |
20861 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) |
20862 | return ATy->getSize().getSExtValue() != 1; |
20863 | // Size can't be evaluated statically. |
20864 | return false; |
20865 | } |
20866 | |
20867 | 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", 20867, __extension__ __PRETTY_FUNCTION__ )); |
20868 | const Expr *LowerBound = OASE->getLowerBound(); |
20869 | const Expr *Length = OASE->getLength(); |
20870 | |
20871 | // If there is a lower bound that does not evaluates to zero, we are not |
20872 | // covering the whole dimension. |
20873 | if (LowerBound) { |
20874 | Expr::EvalResult Result; |
20875 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) |
20876 | return false; // Can't get the integer value as a constant. |
20877 | |
20878 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); |
20879 | if (ConstLowerBound.getSExtValue()) |
20880 | return true; |
20881 | } |
20882 | |
20883 | // If we don't have a length we covering the whole dimension. |
20884 | if (!Length) |
20885 | return false; |
20886 | |
20887 | // If the base is a pointer, we don't have a way to get the size of the |
20888 | // pointee. |
20889 | if (BaseQTy->isPointerType()) |
20890 | return false; |
20891 | |
20892 | // We can only check if the length is the same as the size of the dimension |
20893 | // if we have a constant array. |
20894 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); |
20895 | if (!CATy) |
20896 | return false; |
20897 | |
20898 | Expr::EvalResult Result; |
20899 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) |
20900 | return false; // Can't get the integer value as a constant. |
20901 | |
20902 | llvm::APSInt ConstLength = Result.Val.getInt(); |
20903 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); |
20904 | } |
20905 | |
20906 | // Return true if it can be proven that the provided array expression (array |
20907 | // section or array subscript) does NOT specify a single element of the array |
20908 | // whose base type is \a BaseQTy. |
20909 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, |
20910 | const Expr *E, |
20911 | QualType BaseQTy) { |
20912 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); |
20913 | |
20914 | // An array subscript always refer to a single element. Also, an array section |
20915 | // assumes the format of an array subscript if no colon is used. |
20916 | if (isa<ArraySubscriptExpr>(E) || |
20917 | (OASE && OASE->getColonLocFirst().isInvalid())) |
20918 | return false; |
20919 | |
20920 | 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", 20920, __extension__ __PRETTY_FUNCTION__ )); |
20921 | const Expr *Length = OASE->getLength(); |
20922 | |
20923 | // If we don't have a length we have to check if the array has unitary size |
20924 | // for this dimension. Also, we should always expect a length if the base type |
20925 | // is pointer. |
20926 | if (!Length) { |
20927 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) |
20928 | return ATy->getSize().getSExtValue() != 1; |
20929 | // We cannot assume anything. |
20930 | return false; |
20931 | } |
20932 | |
20933 | // Check if the length evaluates to 1. |
20934 | Expr::EvalResult Result; |
20935 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) |
20936 | return false; // Can't get the integer value as a constant. |
20937 | |
20938 | llvm::APSInt ConstLength = Result.Val.getInt(); |
20939 | return ConstLength.getSExtValue() != 1; |
20940 | } |
20941 | |
20942 | // The base of elements of list in a map clause have to be either: |
20943 | // - a reference to variable or field. |
20944 | // - a member expression. |
20945 | // - an array expression. |
20946 | // |
20947 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the |
20948 | // reference to 'r'. |
20949 | // |
20950 | // If we have: |
20951 | // |
20952 | // struct SS { |
20953 | // Bla S; |
20954 | // foo() { |
20955 | // #pragma omp target map (S.Arr[:12]); |
20956 | // } |
20957 | // } |
20958 | // |
20959 | // We want to retrieve the member expression 'this->S'; |
20960 | |
20961 | // OpenMP 5.0 [2.19.7.1, map Clause, Restrictions, p.2] |
20962 | // If a list item is an array section, it must specify contiguous storage. |
20963 | // |
20964 | // For this restriction it is sufficient that we make sure only references |
20965 | // to variables or fields and array expressions, and that no array sections |
20966 | // exist except in the rightmost expression (unless they cover the whole |
20967 | // dimension of the array). E.g. these would be invalid: |
20968 | // |
20969 | // r.ArrS[3:5].Arr[6:7] |
20970 | // |
20971 | // r.ArrS[3:5].x |
20972 | // |
20973 | // but these would be valid: |
20974 | // r.ArrS[3].Arr[6:7] |
20975 | // |
20976 | // r.ArrS[3].x |
20977 | namespace { |
20978 | class MapBaseChecker final : public StmtVisitor<MapBaseChecker, bool> { |
20979 | Sema &SemaRef; |
20980 | OpenMPClauseKind CKind = OMPC_unknown; |
20981 | OpenMPDirectiveKind DKind = OMPD_unknown; |
20982 | OMPClauseMappableExprCommon::MappableExprComponentList &Components; |
20983 | bool IsNonContiguous = false; |
20984 | bool NoDiagnose = false; |
20985 | const Expr *RelevantExpr = nullptr; |
20986 | bool AllowUnitySizeArraySection = true; |
20987 | bool AllowWholeSizeArraySection = true; |
20988 | bool AllowAnotherPtr = true; |
20989 | SourceLocation ELoc; |
20990 | SourceRange ERange; |
20991 | |
20992 | void emitErrorMsg() { |
20993 | // If nothing else worked, this is not a valid map clause expression. |
20994 | if (SemaRef.getLangOpts().OpenMP < 50) { |
20995 | SemaRef.Diag(ELoc, |
20996 | diag::err_omp_expected_named_var_member_or_array_expression) |
20997 | << ERange; |
20998 | } else { |
20999 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) |
21000 | << getOpenMPClauseName(CKind) << ERange; |
21001 | } |
21002 | } |
21003 | |
21004 | public: |
21005 | bool VisitDeclRefExpr(DeclRefExpr *DRE) { |
21006 | if (!isa<VarDecl>(DRE->getDecl())) { |
21007 | emitErrorMsg(); |
21008 | return false; |
21009 | } |
21010 | 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", 21010, __extension__ __PRETTY_FUNCTION__ )); |
21011 | RelevantExpr = DRE; |
21012 | // Record the component. |
21013 | Components.emplace_back(DRE, DRE->getDecl(), IsNonContiguous); |
21014 | return true; |
21015 | } |
21016 | |
21017 | bool VisitMemberExpr(MemberExpr *ME) { |
21018 | Expr *E = ME; |
21019 | Expr *BaseE = ME->getBase()->IgnoreParenCasts(); |
21020 | |
21021 | if (isa<CXXThisExpr>(BaseE)) { |
21022 | 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", 21022, __extension__ __PRETTY_FUNCTION__ )); |
21023 | // We found a base expression: this->Val. |
21024 | RelevantExpr = ME; |
21025 | } else { |
21026 | E = BaseE; |
21027 | } |
21028 | |
21029 | if (!isa<FieldDecl>(ME->getMemberDecl())) { |
21030 | if (!NoDiagnose) { |
21031 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) |
21032 | << ME->getSourceRange(); |
21033 | return false; |
21034 | } |
21035 | if (RelevantExpr) |
21036 | return false; |
21037 | return Visit(E); |
21038 | } |
21039 | |
21040 | auto *FD = cast<FieldDecl>(ME->getMemberDecl()); |
21041 | |
21042 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] |
21043 | // A bit-field cannot appear in a map clause. |
21044 | // |
21045 | if (FD->isBitField()) { |
21046 | if (!NoDiagnose) { |
21047 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) |
21048 | << ME->getSourceRange() << getOpenMPClauseName(CKind); |
21049 | return false; |
21050 | } |
21051 | if (RelevantExpr) |
21052 | return false; |
21053 | return Visit(E); |
21054 | } |
21055 | |
21056 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
21057 | // If the type of a list item is a reference to a type T then the type |
21058 | // will be considered to be T for all purposes of this clause. |
21059 | QualType CurType = BaseE->getType().getNonReferenceType(); |
21060 | |
21061 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] |
21062 | // A list item cannot be a variable that is a member of a structure with |
21063 | // a union type. |
21064 | // |
21065 | if (CurType->isUnionType()) { |
21066 | if (!NoDiagnose) { |
21067 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) |
21068 | << ME->getSourceRange(); |
21069 | return false; |
21070 | } |
21071 | return RelevantExpr || Visit(E); |
21072 | } |
21073 | |
21074 | // If we got a member expression, we should not expect any array section |
21075 | // before that: |
21076 | // |
21077 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] |
21078 | // If a list item is an element of a structure, only the rightmost symbol |
21079 | // of the variable reference can be an array section. |
21080 | // |
21081 | AllowUnitySizeArraySection = false; |
21082 | AllowWholeSizeArraySection = false; |
21083 | |
21084 | // Record the component. |
21085 | Components.emplace_back(ME, FD, IsNonContiguous); |
21086 | return RelevantExpr || Visit(E); |
21087 | } |
21088 | |
21089 | bool VisitArraySubscriptExpr(ArraySubscriptExpr *AE) { |
21090 | Expr *E = AE->getBase()->IgnoreParenImpCasts(); |
21091 | |
21092 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { |
21093 | if (!NoDiagnose) { |
21094 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) |
21095 | << 0 << AE->getSourceRange(); |
21096 | return false; |
21097 | } |
21098 | return RelevantExpr || Visit(E); |
21099 | } |
21100 | |
21101 | // If we got an array subscript that express the whole dimension we |
21102 | // can have any array expressions before. If it only expressing part of |
21103 | // the dimension, we can only have unitary-size array expressions. |
21104 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, AE, E->getType())) |
21105 | AllowWholeSizeArraySection = false; |
21106 | |
21107 | if (const auto *TE = dyn_cast<CXXThisExpr>(E->IgnoreParenCasts())) { |
21108 | Expr::EvalResult Result; |
21109 | if (!AE->getIdx()->isValueDependent() && |
21110 | AE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext()) && |
21111 | !Result.Val.getInt().isZero()) { |
21112 | SemaRef.Diag(AE->getIdx()->getExprLoc(), |
21113 | diag::err_omp_invalid_map_this_expr); |
21114 | SemaRef.Diag(AE->getIdx()->getExprLoc(), |
21115 | diag::note_omp_invalid_subscript_on_this_ptr_map); |
21116 | } |
21117 | 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", 21117, __extension__ __PRETTY_FUNCTION__ )); |
21118 | RelevantExpr = TE; |
21119 | } |
21120 | |
21121 | // Record the component - we don't have any declaration associated. |
21122 | Components.emplace_back(AE, nullptr, IsNonContiguous); |
21123 | |
21124 | return RelevantExpr || Visit(E); |
21125 | } |
21126 | |
21127 | bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { |
21128 | // After OMP 5.0 Array section in reduction clause will be implicitly |
21129 | // mapped |
21130 | 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", 21131, __extension__ __PRETTY_FUNCTION__ )) |
21131 | "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", 21131, __extension__ __PRETTY_FUNCTION__ )); |
21132 | Expr *E = OASE->getBase()->IgnoreParenImpCasts(); |
21133 | QualType CurType = |
21134 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); |
21135 | |
21136 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
21137 | // If the type of a list item is a reference to a type T then the type |
21138 | // will be considered to be T for all purposes of this clause. |
21139 | if (CurType->isReferenceType()) |
21140 | CurType = CurType->getPointeeType(); |
21141 | |
21142 | bool IsPointer = CurType->isAnyPointerType(); |
21143 | |
21144 | if (!IsPointer && !CurType->isArrayType()) { |
21145 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) |
21146 | << 0 << OASE->getSourceRange(); |
21147 | return false; |
21148 | } |
21149 | |
21150 | bool NotWhole = |
21151 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, OASE, CurType); |
21152 | bool NotUnity = |
21153 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, OASE, CurType); |
21154 | |
21155 | if (AllowWholeSizeArraySection) { |
21156 | // Any array section is currently allowed. Allowing a whole size array |
21157 | // section implies allowing a unity array section as well. |
21158 | // |
21159 | // If this array section refers to the whole dimension we can still |
21160 | // accept other array sections before this one, except if the base is a |
21161 | // pointer. Otherwise, only unitary sections are accepted. |
21162 | if (NotWhole || IsPointer) |
21163 | AllowWholeSizeArraySection = false; |
21164 | } else if (DKind == OMPD_target_update && |
21165 | SemaRef.getLangOpts().OpenMP >= 50) { |
21166 | if (IsPointer && !AllowAnotherPtr) |
21167 | SemaRef.Diag(ELoc, diag::err_omp_section_length_undefined) |
21168 | << /*array of unknown bound */ 1; |
21169 | else |
21170 | IsNonContiguous = true; |
21171 | } else if (AllowUnitySizeArraySection && NotUnity) { |
21172 | // A unity or whole array section is not allowed and that is not |
21173 | // compatible with the properties of the current array section. |
21174 | if (NoDiagnose) |
21175 | return false; |
21176 | SemaRef.Diag(ELoc, |
21177 | diag::err_array_section_does_not_specify_contiguous_storage) |
21178 | << OASE->getSourceRange(); |
21179 | return false; |
21180 | } |
21181 | |
21182 | if (IsPointer) |
21183 | AllowAnotherPtr = false; |
21184 | |
21185 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { |
21186 | Expr::EvalResult ResultR; |
21187 | Expr::EvalResult ResultL; |
21188 | if (!OASE->getLength()->isValueDependent() && |
21189 | OASE->getLength()->EvaluateAsInt(ResultR, SemaRef.getASTContext()) && |
21190 | !ResultR.Val.getInt().isOne()) { |
21191 | SemaRef.Diag(OASE->getLength()->getExprLoc(), |
21192 | diag::err_omp_invalid_map_this_expr); |
21193 | SemaRef.Diag(OASE->getLength()->getExprLoc(), |
21194 | diag::note_omp_invalid_length_on_this_ptr_mapping); |
21195 | } |
21196 | if (OASE->getLowerBound() && !OASE->getLowerBound()->isValueDependent() && |
21197 | OASE->getLowerBound()->EvaluateAsInt(ResultL, |
21198 | SemaRef.getASTContext()) && |
21199 | !ResultL.Val.getInt().isZero()) { |
21200 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), |
21201 | diag::err_omp_invalid_map_this_expr); |
21202 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), |
21203 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); |
21204 | } |
21205 | 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", 21205, __extension__ __PRETTY_FUNCTION__ )); |
21206 | RelevantExpr = TE; |
21207 | } |
21208 | |
21209 | // Record the component - we don't have any declaration associated. |
21210 | Components.emplace_back(OASE, nullptr, /*IsNonContiguous=*/false); |
21211 | return RelevantExpr || Visit(E); |
21212 | } |
21213 | bool VisitOMPArrayShapingExpr(OMPArrayShapingExpr *E) { |
21214 | Expr *Base = E->getBase(); |
21215 | |
21216 | // Record the component - we don't have any declaration associated. |
21217 | Components.emplace_back(E, nullptr, IsNonContiguous); |
21218 | |
21219 | return Visit(Base->IgnoreParenImpCasts()); |
21220 | } |
21221 | |
21222 | bool VisitUnaryOperator(UnaryOperator *UO) { |
21223 | if (SemaRef.getLangOpts().OpenMP < 50 || !UO->isLValue() || |
21224 | UO->getOpcode() != UO_Deref) { |
21225 | emitErrorMsg(); |
21226 | return false; |
21227 | } |
21228 | if (!RelevantExpr) { |
21229 | // Record the component if haven't found base decl. |
21230 | Components.emplace_back(UO, nullptr, /*IsNonContiguous=*/false); |
21231 | } |
21232 | return RelevantExpr || Visit(UO->getSubExpr()->IgnoreParenImpCasts()); |
21233 | } |
21234 | bool VisitBinaryOperator(BinaryOperator *BO) { |
21235 | if (SemaRef.getLangOpts().OpenMP < 50 || !BO->getType()->isPointerType()) { |
21236 | emitErrorMsg(); |
21237 | return false; |
21238 | } |
21239 | |
21240 | // Pointer arithmetic is the only thing we expect to happen here so after we |
21241 | // make sure the binary operator is a pointer type, the only thing we need |
21242 | // to do is to visit the subtree that has the same type as root (so that we |
21243 | // know the other subtree is just an offset) |
21244 | Expr *LE = BO->getLHS()->IgnoreParenImpCasts(); |
21245 | Expr *RE = BO->getRHS()->IgnoreParenImpCasts(); |
21246 | Components.emplace_back(BO, nullptr, false); |
21247 | 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", 21249, __extension__ __PRETTY_FUNCTION__ )) |
21248 | 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", 21249, __extension__ __PRETTY_FUNCTION__ )) |
21249 | "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", 21249, __extension__ __PRETTY_FUNCTION__ )); |
21250 | if (BO->getType().getTypePtr() == LE->getType().getTypePtr()) |
21251 | return RelevantExpr || Visit(LE); |
21252 | return RelevantExpr || Visit(RE); |
21253 | } |
21254 | bool VisitCXXThisExpr(CXXThisExpr *CTE) { |
21255 | 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", 21255, __extension__ __PRETTY_FUNCTION__ )); |
21256 | RelevantExpr = CTE; |
21257 | Components.emplace_back(CTE, nullptr, IsNonContiguous); |
21258 | return true; |
21259 | } |
21260 | bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr *COCE) { |
21261 | 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", 21261, __extension__ __PRETTY_FUNCTION__ )); |
21262 | Components.emplace_back(COCE, nullptr, IsNonContiguous); |
21263 | return true; |
21264 | } |
21265 | bool VisitOpaqueValueExpr(OpaqueValueExpr *E) { |
21266 | Expr *Source = E->getSourceExpr(); |
21267 | if (!Source) { |
21268 | emitErrorMsg(); |
21269 | return false; |
21270 | } |
21271 | return Visit(Source); |
21272 | } |
21273 | bool VisitStmt(Stmt *) { |
21274 | emitErrorMsg(); |
21275 | return false; |
21276 | } |
21277 | const Expr *getFoundBase() const { return RelevantExpr; } |
21278 | explicit MapBaseChecker( |
21279 | Sema &SemaRef, OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, |
21280 | OMPClauseMappableExprCommon::MappableExprComponentList &Components, |
21281 | bool NoDiagnose, SourceLocation &ELoc, SourceRange &ERange) |
21282 | : SemaRef(SemaRef), CKind(CKind), DKind(DKind), Components(Components), |
21283 | NoDiagnose(NoDiagnose), ELoc(ELoc), ERange(ERange) {} |
21284 | }; |
21285 | } // namespace |
21286 | |
21287 | /// Return the expression of the base of the mappable expression or null if it |
21288 | /// cannot be determined and do all the necessary checks to see if the |
21289 | /// expression is valid as a standalone mappable expression. In the process, |
21290 | /// record all the components of the expression. |
21291 | static const Expr *checkMapClauseExpressionBase( |
21292 | Sema &SemaRef, Expr *E, |
21293 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, |
21294 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose) { |
21295 | SourceLocation ELoc = E->getExprLoc(); |
21296 | SourceRange ERange = E->getSourceRange(); |
21297 | MapBaseChecker Checker(SemaRef, CKind, DKind, CurComponents, NoDiagnose, ELoc, |
21298 | ERange); |
21299 | if (Checker.Visit(E->IgnoreParens())) { |
21300 | // Check if the highest dimension array section has length specified |
21301 | if (SemaRef.getLangOpts().OpenMP >= 50 && !CurComponents.empty() && |
21302 | (CKind == OMPC_to || CKind == OMPC_from)) { |
21303 | auto CI = CurComponents.rbegin(); |
21304 | auto CE = CurComponents.rend(); |
21305 | for (; CI != CE; ++CI) { |
21306 | const auto *OASE = |
21307 | dyn_cast<OMPArraySectionExpr>(CI->getAssociatedExpression()); |
21308 | if (!OASE) |
21309 | continue; |
21310 | if (OASE && OASE->getLength()) |
21311 | break; |
21312 | SemaRef.Diag(ELoc, diag::err_array_section_does_not_specify_length) |
21313 | << ERange; |
21314 | } |
21315 | } |
21316 | return Checker.getFoundBase(); |
21317 | } |
21318 | return nullptr; |
21319 | } |
21320 | |
21321 | // Return true if expression E associated with value VD has conflicts with other |
21322 | // map information. |
21323 | static bool checkMapConflicts( |
21324 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, |
21325 | bool CurrentRegionOnly, |
21326 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, |
21327 | OpenMPClauseKind CKind) { |
21328 | assert(VD && E)(static_cast <bool> (VD && E) ? void (0) : __assert_fail ("VD && E", "clang/lib/Sema/SemaOpenMP.cpp", 21328, __extension__ __PRETTY_FUNCTION__)); |
21329 | SourceLocation ELoc = E->getExprLoc(); |
21330 | SourceRange ERange = E->getSourceRange(); |
21331 | |
21332 | // In order to easily check the conflicts we need to match each component of |
21333 | // the expression under test with the components of the expressions that are |
21334 | // already in the stack. |
21335 | |
21336 | 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", 21336, __extension__ __PRETTY_FUNCTION__ )); |
21337 | 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", 21338, __extension__ __PRETTY_FUNCTION__ )) |
21338 | "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", 21338, __extension__ __PRETTY_FUNCTION__ )); |
21339 | |
21340 | // Variables to help detecting enclosing problems in data environment nests. |
21341 | bool IsEnclosedByDataEnvironmentExpr = false; |
21342 | const Expr *EnclosingExpr = nullptr; |
21343 | |
21344 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( |
21345 | VD, CurrentRegionOnly, |
21346 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, |
21347 | ERange, CKind, &EnclosingExpr, |
21348 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef |
21349 | StackComponents, |
21350 | OpenMPClauseKind Kind) { |
21351 | if (CKind == Kind && SemaRef.LangOpts.OpenMP >= 50) |
21352 | return false; |
21353 | 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", 21354, __extension__ __PRETTY_FUNCTION__ )) |
21354 | "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", 21354, __extension__ __PRETTY_FUNCTION__ )); |
21355 | 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", 21356, __extension__ __PRETTY_FUNCTION__ )) |
21356 | "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", 21356, __extension__ __PRETTY_FUNCTION__ )); |
21357 | (void)VD; |
21358 | |
21359 | // The whole expression in the stack. |
21360 | const Expr *RE = StackComponents.front().getAssociatedExpression(); |
21361 | |
21362 | // Expressions must start from the same base. Here we detect at which |
21363 | // point both expressions diverge from each other and see if we can |
21364 | // detect if the memory referred to both expressions is contiguous and |
21365 | // do not overlap. |
21366 | auto CI = CurComponents.rbegin(); |
21367 | auto CE = CurComponents.rend(); |
21368 | auto SI = StackComponents.rbegin(); |
21369 | auto SE = StackComponents.rend(); |
21370 | for (; CI != CE && SI != SE; ++CI, ++SI) { |
21371 | |
21372 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] |
21373 | // At most one list item can be an array item derived from a given |
21374 | // variable in map clauses of the same construct. |
21375 | if (CurrentRegionOnly && |
21376 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || |
21377 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression()) || |
21378 | isa<OMPArrayShapingExpr>(CI->getAssociatedExpression())) && |
21379 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || |
21380 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()) || |
21381 | isa<OMPArrayShapingExpr>(SI->getAssociatedExpression()))) { |
21382 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), |
21383 | diag::err_omp_multiple_array_items_in_map_clause) |
21384 | << CI->getAssociatedExpression()->getSourceRange(); |
21385 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), |
21386 | diag::note_used_here) |
21387 | << SI->getAssociatedExpression()->getSourceRange(); |
21388 | return true; |
21389 | } |
21390 | |
21391 | // Do both expressions have the same kind? |
21392 | if (CI->getAssociatedExpression()->getStmtClass() != |
21393 | SI->getAssociatedExpression()->getStmtClass()) |
21394 | break; |
21395 | |
21396 | // Are we dealing with different variables/fields? |
21397 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) |
21398 | break; |
21399 | } |
21400 | // Check if the extra components of the expressions in the enclosing |
21401 | // data environment are redundant for the current base declaration. |
21402 | // If they are, the maps completely overlap, which is legal. |
21403 | for (; SI != SE; ++SI) { |
21404 | QualType Type; |
21405 | if (const auto *ASE = |
21406 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { |
21407 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); |
21408 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( |
21409 | SI->getAssociatedExpression())) { |
21410 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); |
21411 | Type = |
21412 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); |
21413 | } else if (const auto *OASE = dyn_cast<OMPArrayShapingExpr>( |
21414 | SI->getAssociatedExpression())) { |
21415 | Type = OASE->getBase()->getType()->getPointeeType(); |
21416 | } |
21417 | if (Type.isNull() || Type->isAnyPointerType() || |
21418 | checkArrayExpressionDoesNotReferToWholeSize( |
21419 | SemaRef, SI->getAssociatedExpression(), Type)) |
21420 | break; |
21421 | } |
21422 | |
21423 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] |
21424 | // List items of map clauses in the same construct must not share |
21425 | // original storage. |
21426 | // |
21427 | // If the expressions are exactly the same or one is a subset of the |
21428 | // other, it means they are sharing storage. |
21429 | if (CI == CE && SI == SE) { |
21430 | if (CurrentRegionOnly) { |
21431 | if (CKind == OMPC_map) { |
21432 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; |
21433 | } else { |
21434 | 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", 21434, __extension__ __PRETTY_FUNCTION__ )); |
21435 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) |
21436 | << ERange; |
21437 | } |
21438 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
21439 | << RE->getSourceRange(); |
21440 | return true; |
21441 | } |
21442 | // If we find the same expression in the enclosing data environment, |
21443 | // that is legal. |
21444 | IsEnclosedByDataEnvironmentExpr = true; |
21445 | return false; |
21446 | } |
21447 | |
21448 | QualType DerivedType = |
21449 | std::prev(CI)->getAssociatedDeclaration()->getType(); |
21450 | SourceLocation DerivedLoc = |
21451 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); |
21452 | |
21453 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
21454 | // If the type of a list item is a reference to a type T then the type |
21455 | // will be considered to be T for all purposes of this clause. |
21456 | DerivedType = DerivedType.getNonReferenceType(); |
21457 | |
21458 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] |
21459 | // A variable for which the type is pointer and an array section |
21460 | // derived from that variable must not appear as list items of map |
21461 | // clauses of the same construct. |
21462 | // |
21463 | // Also, cover one of the cases in: |
21464 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] |
21465 | // If any part of the original storage of a list item has corresponding |
21466 | // storage in the device data environment, all of the original storage |
21467 | // must have corresponding storage in the device data environment. |
21468 | // |
21469 | if (DerivedType->isAnyPointerType()) { |
21470 | if (CI == CE || SI == SE) { |
21471 | SemaRef.Diag( |
21472 | DerivedLoc, |
21473 | diag::err_omp_pointer_mapped_along_with_derived_section) |
21474 | << DerivedLoc; |
21475 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
21476 | << RE->getSourceRange(); |
21477 | return true; |
21478 | } |
21479 | if (CI->getAssociatedExpression()->getStmtClass() != |
21480 | SI->getAssociatedExpression()->getStmtClass() || |
21481 | CI->getAssociatedDeclaration()->getCanonicalDecl() == |
21482 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { |
21483 | 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" , 21483, __extension__ __PRETTY_FUNCTION__)); |
21484 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) |
21485 | << DerivedLoc; |
21486 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
21487 | << RE->getSourceRange(); |
21488 | return true; |
21489 | } |
21490 | } |
21491 | |
21492 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] |
21493 | // List items of map clauses in the same construct must not share |
21494 | // original storage. |
21495 | // |
21496 | // An expression is a subset of the other. |
21497 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { |
21498 | if (CKind == OMPC_map) { |
21499 | if (CI != CE || SI != SE) { |
21500 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is |
21501 | // a pointer. |
21502 | auto Begin = |
21503 | CI != CE ? CurComponents.begin() : StackComponents.begin(); |
21504 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); |
21505 | auto It = Begin; |
21506 | while (It != End && !It->getAssociatedDeclaration()) |
21507 | std::advance(It, 1); |
21508 | 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", 21509, __extension__ __PRETTY_FUNCTION__ )) |
21509 | "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", 21509, __extension__ __PRETTY_FUNCTION__ )); |
21510 | if (It != Begin && It->getAssociatedDeclaration() |
21511 | ->getType() |
21512 | .getCanonicalType() |
21513 | ->isAnyPointerType()) { |
21514 | IsEnclosedByDataEnvironmentExpr = false; |
21515 | EnclosingExpr = nullptr; |
21516 | return false; |
21517 | } |
21518 | } |
21519 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; |
21520 | } else { |
21521 | 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", 21521, __extension__ __PRETTY_FUNCTION__ )); |
21522 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) |
21523 | << ERange; |
21524 | } |
21525 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
21526 | << RE->getSourceRange(); |
21527 | return true; |
21528 | } |
21529 | |
21530 | // The current expression uses the same base as other expression in the |
21531 | // data environment but does not contain it completely. |
21532 | if (!CurrentRegionOnly && SI != SE) |
21533 | EnclosingExpr = RE; |
21534 | |
21535 | // The current expression is a subset of the expression in the data |
21536 | // environment. |
21537 | IsEnclosedByDataEnvironmentExpr |= |
21538 | (!CurrentRegionOnly && CI != CE && SI == SE); |
21539 | |
21540 | return false; |
21541 | }); |
21542 | |
21543 | if (CurrentRegionOnly) |
21544 | return FoundError; |
21545 | |
21546 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] |
21547 | // If any part of the original storage of a list item has corresponding |
21548 | // storage in the device data environment, all of the original storage must |
21549 | // have corresponding storage in the device data environment. |
21550 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] |
21551 | // If a list item is an element of a structure, and a different element of |
21552 | // the structure has a corresponding list item in the device data environment |
21553 | // prior to a task encountering the construct associated with the map clause, |
21554 | // then the list item must also have a corresponding list item in the device |
21555 | // data environment prior to the task encountering the construct. |
21556 | // |
21557 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { |
21558 | SemaRef.Diag(ELoc, |
21559 | diag::err_omp_original_storage_is_shared_and_does_not_contain) |
21560 | << ERange; |
21561 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) |
21562 | << EnclosingExpr->getSourceRange(); |
21563 | return true; |
21564 | } |
21565 | |
21566 | return FoundError; |
21567 | } |
21568 | |
21569 | // Look up the user-defined mapper given the mapper name and mapped type, and |
21570 | // build a reference to it. |
21571 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, |
21572 | CXXScopeSpec &MapperIdScopeSpec, |
21573 | const DeclarationNameInfo &MapperId, |
21574 | QualType Type, |
21575 | Expr *UnresolvedMapper) { |
21576 | if (MapperIdScopeSpec.isInvalid()) |
21577 | return ExprError(); |
21578 | // Get the actual type for the array type. |
21579 | if (Type->isArrayType()) { |
21580 | 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", 21580, __extension__ __PRETTY_FUNCTION__ )); |
21581 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); |
21582 | } |
21583 | // Find all user-defined mappers with the given MapperId. |
21584 | SmallVector<UnresolvedSet<8>, 4> Lookups; |
21585 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); |
21586 | Lookup.suppressDiagnostics(); |
21587 | if (S) { |
21588 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { |
21589 | NamedDecl *D = Lookup.getRepresentativeDecl(); |
21590 | while (S && !S->isDeclScope(D)) |
21591 | S = S->getParent(); |
21592 | if (S) |
21593 | S = S->getParent(); |
21594 | Lookups.emplace_back(); |
21595 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
21596 | Lookup.clear(); |
21597 | } |
21598 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { |
21599 | // Extract the user-defined mappers with the given MapperId. |
21600 | Lookups.push_back(UnresolvedSet<8>()); |
21601 | for (NamedDecl *D : ULE->decls()) { |
21602 | auto *DMD = cast<OMPDeclareMapperDecl>(D); |
21603 | 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", 21603, __extension__ __PRETTY_FUNCTION__ )); |
21604 | Lookups.back().addDecl(DMD); |
21605 | } |
21606 | } |
21607 | // Defer the lookup for dependent types. The results will be passed through |
21608 | // UnresolvedMapper on instantiation. |
21609 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || |
21610 | Type->isInstantiationDependentType() || |
21611 | Type->containsUnexpandedParameterPack() || |
21612 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { |
21613 | return !D->isInvalidDecl() && |
21614 | (D->getType()->isDependentType() || |
21615 | D->getType()->isInstantiationDependentType() || |
21616 | D->getType()->containsUnexpandedParameterPack()); |
21617 | })) { |
21618 | UnresolvedSet<8> URS; |
21619 | for (const UnresolvedSet<8> &Set : Lookups) { |
21620 | if (Set.empty()) |
21621 | continue; |
21622 | URS.append(Set.begin(), Set.end()); |
21623 | } |
21624 | return UnresolvedLookupExpr::Create( |
21625 | SemaRef.Context, /*NamingClass=*/nullptr, |
21626 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, |
21627 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); |
21628 | } |
21629 | SourceLocation Loc = MapperId.getLoc(); |
21630 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
21631 | // The type must be of struct, union or class type in C and C++ |
21632 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && |
21633 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { |
21634 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); |
21635 | return ExprError(); |
21636 | } |
21637 | // Perform argument dependent lookup. |
21638 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) |
21639 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); |
21640 | // Return the first user-defined mapper with the desired type. |
21641 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
21642 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { |
21643 | if (!D->isInvalidDecl() && |
21644 | SemaRef.Context.hasSameType(D->getType(), Type)) |
21645 | return D; |
21646 | return nullptr; |
21647 | })) |
21648 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); |
21649 | // Find the first user-defined mapper with a type derived from the desired |
21650 | // type. |
21651 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
21652 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { |
21653 | if (!D->isInvalidDecl() && |
21654 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && |
21655 | !Type.isMoreQualifiedThan(D->getType())) |
21656 | return D; |
21657 | return nullptr; |
21658 | })) { |
21659 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, |
21660 | /*DetectVirtual=*/false); |
21661 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { |
21662 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( |
21663 | VD->getType().getUnqualifiedType()))) { |
21664 | if (SemaRef.CheckBaseClassAccess( |
21665 | Loc, VD->getType(), Type, Paths.front(), |
21666 | /*DiagID=*/0) != Sema::AR_inaccessible) { |
21667 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); |
21668 | } |
21669 | } |
21670 | } |
21671 | } |
21672 | // Report error if a mapper is specified, but cannot be found. |
21673 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { |
21674 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) |
21675 | << Type << MapperId.getName(); |
21676 | return ExprError(); |
21677 | } |
21678 | return ExprEmpty(); |
21679 | } |
21680 | |
21681 | namespace { |
21682 | // Utility struct that gathers all the related lists associated with a mappable |
21683 | // expression. |
21684 | struct MappableVarListInfo { |
21685 | // The list of expressions. |
21686 | ArrayRef<Expr *> VarList; |
21687 | // The list of processed expressions. |
21688 | SmallVector<Expr *, 16> ProcessedVarList; |
21689 | // The mappble components for each expression. |
21690 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; |
21691 | // The base declaration of the variable. |
21692 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; |
21693 | // The reference to the user-defined mapper associated with every expression. |
21694 | SmallVector<Expr *, 16> UDMapperList; |
21695 | |
21696 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { |
21697 | // We have a list of components and base declarations for each entry in the |
21698 | // variable list. |
21699 | VarComponents.reserve(VarList.size()); |
21700 | VarBaseDeclarations.reserve(VarList.size()); |
21701 | } |
21702 | }; |
21703 | } // namespace |
21704 | |
21705 | // Check the validity of the provided variable list for the provided clause kind |
21706 | // \a CKind. In the check process the valid expressions, mappable expression |
21707 | // components, variables, and user-defined mappers are extracted and used to |
21708 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a |
21709 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, |
21710 | // and \a MapperId are expected to be valid if the clause kind is 'map'. |
21711 | static void checkMappableExpressionList( |
21712 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, |
21713 | MappableVarListInfo &MVLI, SourceLocation StartLoc, |
21714 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, |
21715 | ArrayRef<Expr *> UnresolvedMappers, |
21716 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, |
21717 | ArrayRef<OpenMPMapModifierKind> Modifiers = std::nullopt, |
21718 | bool IsMapTypeImplicit = false, bool NoDiagnose = false) { |
21719 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. |
21720 | 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", 21721, __extension__ __PRETTY_FUNCTION__ )) |
21721 | "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", 21721, __extension__ __PRETTY_FUNCTION__ )); |
21722 | |
21723 | // If the identifier of user-defined mapper is not specified, it is "default". |
21724 | // We do not change the actual name in this clause to distinguish whether a |
21725 | // mapper is specified explicitly, i.e., it is not explicitly specified when |
21726 | // MapperId.getName() is empty. |
21727 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { |
21728 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; |
21729 | MapperId.setName(DeclNames.getIdentifier( |
21730 | &SemaRef.getASTContext().Idents.get("default"))); |
21731 | MapperId.setLoc(StartLoc); |
21732 | } |
21733 | |
21734 | // Iterators to find the current unresolved mapper expression. |
21735 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); |
21736 | bool UpdateUMIt = false; |
21737 | Expr *UnresolvedMapper = nullptr; |
21738 | |
21739 | bool HasHoldModifier = |
21740 | llvm::is_contained(Modifiers, OMPC_MAP_MODIFIER_ompx_hold); |
21741 | |
21742 | // Keep track of the mappable components and base declarations in this clause. |
21743 | // Each entry in the list is going to have a list of components associated. We |
21744 | // record each set of the components so that we can build the clause later on. |
21745 | // In the end we should have the same amount of declarations and component |
21746 | // lists. |
21747 | |
21748 | for (Expr *RE : MVLI.VarList) { |
21749 | 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", 21749, __extension__ __PRETTY_FUNCTION__ )); |
21750 | SourceLocation ELoc = RE->getExprLoc(); |
21751 | |
21752 | // Find the current unresolved mapper expression. |
21753 | if (UpdateUMIt && UMIt != UMEnd) { |
21754 | UMIt++; |
21755 | 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", 21757, __extension__ __PRETTY_FUNCTION__ )) |
21756 | 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", 21757, __extension__ __PRETTY_FUNCTION__ )) |
21757 | "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", 21757, __extension__ __PRETTY_FUNCTION__ )); |
21758 | } |
21759 | UpdateUMIt = true; |
21760 | if (UMIt != UMEnd) |
21761 | UnresolvedMapper = *UMIt; |
21762 | |
21763 | const Expr *VE = RE->IgnoreParenLValueCasts(); |
21764 | |
21765 | if (VE->isValueDependent() || VE->isTypeDependent() || |
21766 | VE->isInstantiationDependent() || |
21767 | VE->containsUnexpandedParameterPack()) { |
21768 | // Try to find the associated user-defined mapper. |
21769 | ExprResult ER = buildUserDefinedMapperRef( |
21770 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
21771 | VE->getType().getCanonicalType(), UnresolvedMapper); |
21772 | if (ER.isInvalid()) |
21773 | continue; |
21774 | MVLI.UDMapperList.push_back(ER.get()); |
21775 | // We can only analyze this information once the missing information is |
21776 | // resolved. |
21777 | MVLI.ProcessedVarList.push_back(RE); |
21778 | continue; |
21779 | } |
21780 | |
21781 | Expr *SimpleExpr = RE->IgnoreParenCasts(); |
21782 | |
21783 | if (!RE->isLValue()) { |
21784 | if (SemaRef.getLangOpts().OpenMP < 50) { |
21785 | SemaRef.Diag( |
21786 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) |
21787 | << RE->getSourceRange(); |
21788 | } else { |
21789 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) |
21790 | << getOpenMPClauseName(CKind) << RE->getSourceRange(); |
21791 | } |
21792 | continue; |
21793 | } |
21794 | |
21795 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; |
21796 | ValueDecl *CurDeclaration = nullptr; |
21797 | |
21798 | // Obtain the array or member expression bases if required. Also, fill the |
21799 | // components array with all the components identified in the process. |
21800 | const Expr *BE = |
21801 | checkMapClauseExpressionBase(SemaRef, SimpleExpr, CurComponents, CKind, |
21802 | DSAS->getCurrentDirective(), NoDiagnose); |
21803 | if (!BE) |
21804 | continue; |
21805 | |
21806 | 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", 21807, __extension__ __PRETTY_FUNCTION__ )) |
21807 | "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", 21807, __extension__ __PRETTY_FUNCTION__ )); |
21808 | |
21809 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { |
21810 | // Add store "this" pointer to class in DSAStackTy for future checking |
21811 | DSAS->addMappedClassesQualTypes(TE->getType()); |
21812 | // Try to find the associated user-defined mapper. |
21813 | ExprResult ER = buildUserDefinedMapperRef( |
21814 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
21815 | VE->getType().getCanonicalType(), UnresolvedMapper); |
21816 | if (ER.isInvalid()) |
21817 | continue; |
21818 | MVLI.UDMapperList.push_back(ER.get()); |
21819 | // Skip restriction checking for variable or field declarations |
21820 | MVLI.ProcessedVarList.push_back(RE); |
21821 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
21822 | MVLI.VarComponents.back().append(CurComponents.begin(), |
21823 | CurComponents.end()); |
21824 | MVLI.VarBaseDeclarations.push_back(nullptr); |
21825 | continue; |
21826 | } |
21827 | |
21828 | // For the following checks, we rely on the base declaration which is |
21829 | // expected to be associated with the last component. The declaration is |
21830 | // expected to be a variable or a field (if 'this' is being mapped). |
21831 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); |
21832 | 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", 21832, __extension__ __PRETTY_FUNCTION__ )); |
21833 | 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", 21835, __extension__ __PRETTY_FUNCTION__ )) |
21834 | 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", 21835, __extension__ __PRETTY_FUNCTION__ )) |
21835 | "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", 21835, __extension__ __PRETTY_FUNCTION__ )); |
21836 | |
21837 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); |
21838 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); |
21839 | |
21840 | 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", 21840, __extension__ __PRETTY_FUNCTION__ )); |
21841 | (void)FD; |
21842 | |
21843 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] |
21844 | // threadprivate variables cannot appear in a map clause. |
21845 | // OpenMP 4.5 [2.10.5, target update Construct] |
21846 | // threadprivate variables cannot appear in a from clause. |
21847 | if (VD && DSAS->isThreadPrivate(VD)) { |
21848 | if (NoDiagnose) |
21849 | continue; |
21850 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); |
21851 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) |
21852 | << getOpenMPClauseName(CKind); |
21853 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); |
21854 | continue; |
21855 | } |
21856 | |
21857 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] |
21858 | // A list item cannot appear in both a map clause and a data-sharing |
21859 | // attribute clause on the same construct. |
21860 | |
21861 | // Check conflicts with other map clause expressions. We check the conflicts |
21862 | // with the current construct separately from the enclosing data |
21863 | // environment, because the restrictions are different. We only have to |
21864 | // check conflicts across regions for the map clauses. |
21865 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, |
21866 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) |
21867 | break; |
21868 | if (CKind == OMPC_map && |
21869 | (SemaRef.getLangOpts().OpenMP <= 45 || StartLoc.isValid()) && |
21870 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, |
21871 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) |
21872 | break; |
21873 | |
21874 | // OpenMP 4.5 [2.10.5, target update Construct] |
21875 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
21876 | // If the type of a list item is a reference to a type T then the type will |
21877 | // be considered to be T for all purposes of this clause. |
21878 | auto I = llvm::find_if( |
21879 | CurComponents, |
21880 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { |
21881 | return MC.getAssociatedDeclaration(); |
21882 | }); |
21883 | 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", 21883, __extension__ __PRETTY_FUNCTION__ )); |
21884 | (void)I; |
21885 | QualType Type; |
21886 | auto *ASE = dyn_cast<ArraySubscriptExpr>(VE->IgnoreParens()); |
21887 | auto *OASE = dyn_cast<OMPArraySectionExpr>(VE->IgnoreParens()); |
21888 | auto *OAShE = dyn_cast<OMPArrayShapingExpr>(VE->IgnoreParens()); |
21889 | if (ASE) { |
21890 | Type = ASE->getType().getNonReferenceType(); |
21891 | } else if (OASE) { |
21892 | QualType BaseType = |
21893 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
21894 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
21895 | Type = ATy->getElementType(); |
21896 | else |
21897 | Type = BaseType->getPointeeType(); |
21898 | Type = Type.getNonReferenceType(); |
21899 | } else if (OAShE) { |
21900 | Type = OAShE->getBase()->getType()->getPointeeType(); |
21901 | } else { |
21902 | Type = VE->getType(); |
21903 | } |
21904 | |
21905 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] |
21906 | // A list item in a to or from clause must have a mappable type. |
21907 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] |
21908 | // A list item must have a mappable type. |
21909 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, |
21910 | DSAS, Type, /*FullCheck=*/true)) |
21911 | continue; |
21912 | |
21913 | if (CKind == OMPC_map) { |
21914 | // target enter data |
21915 | // OpenMP [2.10.2, Restrictions, p. 99] |
21916 | // A map-type must be specified in all map clauses and must be either |
21917 | // to or alloc. Starting with OpenMP 5.2 the default map type is `to` if |
21918 | // no map type is present. |
21919 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); |
21920 | if (DKind == OMPD_target_enter_data && |
21921 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc || |
21922 | SemaRef.getLangOpts().OpenMP >= 52)) { |
21923 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
21924 | << (IsMapTypeImplicit ? 1 : 0) |
21925 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
21926 | << getOpenMPDirectiveName(DKind); |
21927 | continue; |
21928 | } |
21929 | |
21930 | // target exit_data |
21931 | // OpenMP [2.10.3, Restrictions, p. 102] |
21932 | // A map-type must be specified in all map clauses and must be either |
21933 | // from, release, or delete. Starting with OpenMP 5.2 the default map |
21934 | // type is `from` if no map type is present. |
21935 | if (DKind == OMPD_target_exit_data && |
21936 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || |
21937 | MapType == OMPC_MAP_delete || SemaRef.getLangOpts().OpenMP >= 52)) { |
21938 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
21939 | << (IsMapTypeImplicit ? 1 : 0) |
21940 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
21941 | << getOpenMPDirectiveName(DKind); |
21942 | continue; |
21943 | } |
21944 | |
21945 | // The 'ompx_hold' modifier is specifically intended to be used on a |
21946 | // 'target' or 'target data' directive to prevent data from being unmapped |
21947 | // during the associated statement. It is not permitted on a 'target |
21948 | // enter data' or 'target exit data' directive, which have no associated |
21949 | // statement. |
21950 | if ((DKind == OMPD_target_enter_data || DKind == OMPD_target_exit_data) && |
21951 | HasHoldModifier) { |
21952 | SemaRef.Diag(StartLoc, |
21953 | diag::err_omp_invalid_map_type_modifier_for_directive) |
21954 | << getOpenMPSimpleClauseTypeName(OMPC_map, |
21955 | OMPC_MAP_MODIFIER_ompx_hold) |
21956 | << getOpenMPDirectiveName(DKind); |
21957 | continue; |
21958 | } |
21959 | |
21960 | // target, target data |
21961 | // OpenMP 5.0 [2.12.2, Restrictions, p. 163] |
21962 | // OpenMP 5.0 [2.12.5, Restrictions, p. 174] |
21963 | // A map-type in a map clause must be to, from, tofrom or alloc |
21964 | if ((DKind == OMPD_target_data || |
21965 | isOpenMPTargetExecutionDirective(DKind)) && |
21966 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_from || |
21967 | MapType == OMPC_MAP_tofrom || MapType == OMPC_MAP_alloc)) { |
21968 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
21969 | << (IsMapTypeImplicit ? 1 : 0) |
21970 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
21971 | << getOpenMPDirectiveName(DKind); |
21972 | continue; |
21973 | } |
21974 | |
21975 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
21976 | // A list item cannot appear in both a map clause and a data-sharing |
21977 | // attribute clause on the same construct |
21978 | // |
21979 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
21980 | // A list item cannot appear in both a map clause and a data-sharing |
21981 | // attribute clause on the same construct unless the construct is a |
21982 | // combined construct. |
21983 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && |
21984 | isOpenMPTargetExecutionDirective(DKind)) || |
21985 | DKind == OMPD_target)) { |
21986 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); |
21987 | if (isOpenMPPrivate(DVar.CKind)) { |
21988 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
21989 | << getOpenMPClauseName(DVar.CKind) |
21990 | << getOpenMPClauseName(OMPC_map) |
21991 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); |
21992 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); |
21993 | continue; |
21994 | } |
21995 | } |
21996 | } |
21997 | |
21998 | // Try to find the associated user-defined mapper. |
21999 | ExprResult ER = buildUserDefinedMapperRef( |
22000 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
22001 | Type.getCanonicalType(), UnresolvedMapper); |
22002 | if (ER.isInvalid()) |
22003 | continue; |
22004 | MVLI.UDMapperList.push_back(ER.get()); |
22005 | |
22006 | // Save the current expression. |
22007 | MVLI.ProcessedVarList.push_back(RE); |
22008 | |
22009 | // Store the components in the stack so that they can be used to check |
22010 | // against other clauses later on. |
22011 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, |
22012 | /*WhereFoundClauseKind=*/OMPC_map); |
22013 | |
22014 | // Save the components and declaration to create the clause. For purposes of |
22015 | // the clause creation, any component list that has base 'this' uses |
22016 | // null as base declaration. |
22017 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
22018 | MVLI.VarComponents.back().append(CurComponents.begin(), |
22019 | CurComponents.end()); |
22020 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr |
22021 | : CurDeclaration); |
22022 | } |
22023 | } |
22024 | |
22025 | OMPClause *Sema::ActOnOpenMPMapClause( |
22026 | Expr *IteratorModifier, ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, |
22027 | ArrayRef<SourceLocation> MapTypeModifiersLoc, |
22028 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
22029 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, |
22030 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
22031 | const OMPVarListLocTy &Locs, bool NoDiagnose, |
22032 | ArrayRef<Expr *> UnresolvedMappers) { |
22033 | OpenMPMapModifierKind Modifiers[] = { |
22034 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, |
22035 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, |
22036 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown}; |
22037 | SourceLocation ModifiersLoc[NumberOfOMPMapClauseModifiers]; |
22038 | |
22039 | if (IteratorModifier && !IteratorModifier->getType()->isSpecificBuiltinType( |
22040 | BuiltinType::OMPIterator)) |
22041 | Diag(IteratorModifier->getExprLoc(), |
22042 | diag::err_omp_map_modifier_not_iterator); |
22043 | |
22044 | // Process map-type-modifiers, flag errors for duplicate modifiers. |
22045 | unsigned Count = 0; |
22046 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { |
22047 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && |
22048 | llvm::is_contained(Modifiers, MapTypeModifiers[I])) { |
22049 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); |
22050 | continue; |
22051 | } |
22052 | 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", 22053, __extension__ __PRETTY_FUNCTION__ )) |
22053 | "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", 22053, __extension__ __PRETTY_FUNCTION__ )); |
22054 | Modifiers[Count] = MapTypeModifiers[I]; |
22055 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; |
22056 | ++Count; |
22057 | } |
22058 | |
22059 | MappableVarListInfo MVLI(VarList); |
22060 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, |
22061 | MapperIdScopeSpec, MapperId, UnresolvedMappers, |
22062 | MapType, Modifiers, IsMapTypeImplicit, |
22063 | NoDiagnose); |
22064 | |
22065 | // We need to produce a map clause even if we don't have variables so that |
22066 | // other diagnostics related with non-existing map clauses are accurate. |
22067 | return OMPMapClause::Create( |
22068 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, |
22069 | MVLI.VarComponents, MVLI.UDMapperList, IteratorModifier, Modifiers, |
22070 | ModifiersLoc, MapperIdScopeSpec.getWithLocInContext(Context), MapperId, |
22071 | MapType, IsMapTypeImplicit, MapLoc); |
22072 | } |
22073 | |
22074 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, |
22075 | TypeResult ParsedType) { |
22076 | assert(ParsedType.isUsable())(static_cast <bool> (ParsedType.isUsable()) ? void (0) : __assert_fail ("ParsedType.isUsable()", "clang/lib/Sema/SemaOpenMP.cpp" , 22076, __extension__ __PRETTY_FUNCTION__)); |
22077 | |
22078 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); |
22079 | if (ReductionType.isNull()) |
22080 | return QualType(); |
22081 | |
22082 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ |
22083 | // A type name in a declare reduction directive cannot be a function type, an |
22084 | // array type, a reference type, or a type qualified with const, volatile or |
22085 | // restrict. |
22086 | if (ReductionType.hasQualifiers()) { |
22087 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; |
22088 | return QualType(); |
22089 | } |
22090 | |
22091 | if (ReductionType->isFunctionType()) { |
22092 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; |
22093 | return QualType(); |
22094 | } |
22095 | if (ReductionType->isReferenceType()) { |
22096 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; |
22097 | return QualType(); |
22098 | } |
22099 | if (ReductionType->isArrayType()) { |
22100 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; |
22101 | return QualType(); |
22102 | } |
22103 | return ReductionType; |
22104 | } |
22105 | |
22106 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( |
22107 | Scope *S, DeclContext *DC, DeclarationName Name, |
22108 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, |
22109 | AccessSpecifier AS, Decl *PrevDeclInScope) { |
22110 | SmallVector<Decl *, 8> Decls; |
22111 | Decls.reserve(ReductionTypes.size()); |
22112 | |
22113 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, |
22114 | forRedeclarationInCurContext()); |
22115 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions |
22116 | // A reduction-identifier may not be re-declared in the current scope for the |
22117 | // same type or for a type that is compatible according to the base language |
22118 | // rules. |
22119 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; |
22120 | OMPDeclareReductionDecl *PrevDRD = nullptr; |
22121 | bool InCompoundScope = true; |
22122 | if (S != nullptr) { |
22123 | // Find previous declaration with the same name not referenced in other |
22124 | // declarations. |
22125 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); |
22126 | InCompoundScope = |
22127 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); |
22128 | LookupName(Lookup, S); |
22129 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, |
22130 | /*AllowInlineNamespace=*/false); |
22131 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; |
22132 | LookupResult::Filter Filter = Lookup.makeFilter(); |
22133 | while (Filter.hasNext()) { |
22134 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); |
22135 | if (InCompoundScope) { |
22136 | auto I = UsedAsPrevious.find(PrevDecl); |
22137 | if (I == UsedAsPrevious.end()) |
22138 | UsedAsPrevious[PrevDecl] = false; |
22139 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) |
22140 | UsedAsPrevious[D] = true; |
22141 | } |
22142 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = |
22143 | PrevDecl->getLocation(); |
22144 | } |
22145 | Filter.done(); |
22146 | if (InCompoundScope) { |
22147 | for (const auto &PrevData : UsedAsPrevious) { |
22148 | if (!PrevData.second) { |
22149 | PrevDRD = PrevData.first; |
22150 | break; |
22151 | } |
22152 | } |
22153 | } |
22154 | } else if (PrevDeclInScope != nullptr) { |
22155 | auto *PrevDRDInScope = PrevDRD = |
22156 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); |
22157 | do { |
22158 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = |
22159 | PrevDRDInScope->getLocation(); |
22160 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); |
22161 | } while (PrevDRDInScope != nullptr); |
22162 | } |
22163 | for (const auto &TyData : ReductionTypes) { |
22164 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); |
22165 | bool Invalid = false; |
22166 | if (I != PreviousRedeclTypes.end()) { |
22167 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) |
22168 | << TyData.first; |
22169 | Diag(I->second, diag::note_previous_definition); |
22170 | Invalid = true; |
22171 | } |
22172 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; |
22173 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, |
22174 | Name, TyData.first, PrevDRD); |
22175 | DC->addDecl(DRD); |
22176 | DRD->setAccess(AS); |
22177 | Decls.push_back(DRD); |
22178 | if (Invalid) |
22179 | DRD->setInvalidDecl(); |
22180 | else |
22181 | PrevDRD = DRD; |
22182 | } |
22183 | |
22184 | return DeclGroupPtrTy::make( |
22185 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); |
22186 | } |
22187 | |
22188 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { |
22189 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
22190 | |
22191 | // Enter new function scope. |
22192 | PushFunctionScope(); |
22193 | setFunctionHasBranchProtectedScope(); |
22194 | getCurFunction()->setHasOMPDeclareReductionCombiner(); |
22195 | |
22196 | if (S != nullptr) |
22197 | PushDeclContext(S, DRD); |
22198 | else |
22199 | CurContext = DRD; |
22200 | |
22201 | PushExpressionEvaluationContext( |
22202 | ExpressionEvaluationContext::PotentiallyEvaluated); |
22203 | |
22204 | QualType ReductionType = DRD->getType(); |
22205 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will |
22206 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' |
22207 | // uses semantics of argument handles by value, but it should be passed by |
22208 | // reference. C lang does not support references, so pass all parameters as |
22209 | // pointers. |
22210 | // Create 'T omp_in;' variable. |
22211 | VarDecl *OmpInParm = |
22212 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); |
22213 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will |
22214 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' |
22215 | // uses semantics of argument handles by value, but it should be passed by |
22216 | // reference. C lang does not support references, so pass all parameters as |
22217 | // pointers. |
22218 | // Create 'T omp_out;' variable. |
22219 | VarDecl *OmpOutParm = |
22220 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); |
22221 | if (S != nullptr) { |
22222 | PushOnScopeChains(OmpInParm, S); |
22223 | PushOnScopeChains(OmpOutParm, S); |
22224 | } else { |
22225 | DRD->addDecl(OmpInParm); |
22226 | DRD->addDecl(OmpOutParm); |
22227 | } |
22228 | Expr *InE = |
22229 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); |
22230 | Expr *OutE = |
22231 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); |
22232 | DRD->setCombinerData(InE, OutE); |
22233 | } |
22234 | |
22235 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { |
22236 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
22237 | DiscardCleanupsInEvaluationContext(); |
22238 | PopExpressionEvaluationContext(); |
22239 | |
22240 | PopDeclContext(); |
22241 | PopFunctionScopeInfo(); |
22242 | |
22243 | if (Combiner != nullptr) |
22244 | DRD->setCombiner(Combiner); |
22245 | else |
22246 | DRD->setInvalidDecl(); |
22247 | } |
22248 | |
22249 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { |
22250 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
22251 | |
22252 | // Enter new function scope. |
22253 | PushFunctionScope(); |
22254 | setFunctionHasBranchProtectedScope(); |
22255 | |
22256 | if (S != nullptr) |
22257 | PushDeclContext(S, DRD); |
22258 | else |
22259 | CurContext = DRD; |
22260 | |
22261 | PushExpressionEvaluationContext( |
22262 | ExpressionEvaluationContext::PotentiallyEvaluated); |
22263 | |
22264 | QualType ReductionType = DRD->getType(); |
22265 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will |
22266 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' |
22267 | // uses semantics of argument handles by value, but it should be passed by |
22268 | // reference. C lang does not support references, so pass all parameters as |
22269 | // pointers. |
22270 | // Create 'T omp_priv;' variable. |
22271 | VarDecl *OmpPrivParm = |
22272 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); |
22273 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will |
22274 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' |
22275 | // uses semantics of argument handles by value, but it should be passed by |
22276 | // reference. C lang does not support references, so pass all parameters as |
22277 | // pointers. |
22278 | // Create 'T omp_orig;' variable. |
22279 | VarDecl *OmpOrigParm = |
22280 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); |
22281 | if (S != nullptr) { |
22282 | PushOnScopeChains(OmpPrivParm, S); |
22283 | PushOnScopeChains(OmpOrigParm, S); |
22284 | } else { |
22285 | DRD->addDecl(OmpPrivParm); |
22286 | DRD->addDecl(OmpOrigParm); |
22287 | } |
22288 | Expr *OrigE = |
22289 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); |
22290 | Expr *PrivE = |
22291 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); |
22292 | DRD->setInitializerData(OrigE, PrivE); |
22293 | return OmpPrivParm; |
22294 | } |
22295 | |
22296 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, |
22297 | VarDecl *OmpPrivParm) { |
22298 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
22299 | DiscardCleanupsInEvaluationContext(); |
22300 | PopExpressionEvaluationContext(); |
22301 | |
22302 | PopDeclContext(); |
22303 | PopFunctionScopeInfo(); |
22304 | |
22305 | if (Initializer != nullptr) { |
22306 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); |
22307 | } else if (OmpPrivParm->hasInit()) { |
22308 | DRD->setInitializer(OmpPrivParm->getInit(), |
22309 | OmpPrivParm->isDirectInit() |
22310 | ? OMPDeclareReductionDecl::DirectInit |
22311 | : OMPDeclareReductionDecl::CopyInit); |
22312 | } else { |
22313 | DRD->setInvalidDecl(); |
22314 | } |
22315 | } |
22316 | |
22317 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( |
22318 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { |
22319 | for (Decl *D : DeclReductions.get()) { |
22320 | if (IsValid) { |
22321 | if (S) |
22322 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, |
22323 | /*AddToContext=*/false); |
22324 | } else { |
22325 | D->setInvalidDecl(); |
22326 | } |
22327 | } |
22328 | return DeclReductions; |
22329 | } |
22330 | |
22331 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { |
22332 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); |
22333 | QualType T = TInfo->getType(); |
22334 | if (D.isInvalidType()) |
22335 | return true; |
22336 | |
22337 | if (getLangOpts().CPlusPlus) { |
22338 | // Check that there are no default arguments (C++ only). |
22339 | CheckExtraCXXDefaultArguments(D); |
22340 | } |
22341 | |
22342 | return CreateParsedType(T, TInfo); |
22343 | } |
22344 | |
22345 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, |
22346 | TypeResult ParsedType) { |
22347 | 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", 22347, __extension__ __PRETTY_FUNCTION__ )); |
22348 | |
22349 | QualType MapperType = GetTypeFromParser(ParsedType.get()); |
22350 | 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", 22350, __extension__ __PRETTY_FUNCTION__ )); |
22351 | |
22352 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
22353 | // The type must be of struct, union or class type in C and C++ |
22354 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { |
22355 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); |
22356 | return QualType(); |
22357 | } |
22358 | return MapperType; |
22359 | } |
22360 | |
22361 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareMapperDirective( |
22362 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, |
22363 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, |
22364 | Expr *MapperVarRef, ArrayRef<OMPClause *> Clauses, Decl *PrevDeclInScope) { |
22365 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, |
22366 | forRedeclarationInCurContext()); |
22367 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
22368 | // A mapper-identifier may not be redeclared in the current scope for the |
22369 | // same type or for a type that is compatible according to the base language |
22370 | // rules. |
22371 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; |
22372 | OMPDeclareMapperDecl *PrevDMD = nullptr; |
22373 | bool InCompoundScope = true; |
22374 | if (S != nullptr) { |
22375 | // Find previous declaration with the same name not referenced in other |
22376 | // declarations. |
22377 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); |
22378 | InCompoundScope = |
22379 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); |
22380 | LookupName(Lookup, S); |
22381 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, |
22382 | /*AllowInlineNamespace=*/false); |
22383 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; |
22384 | LookupResult::Filter Filter = Lookup.makeFilter(); |
22385 | while (Filter.hasNext()) { |
22386 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); |
22387 | if (InCompoundScope) { |
22388 | auto I = UsedAsPrevious.find(PrevDecl); |
22389 | if (I == UsedAsPrevious.end()) |
22390 | UsedAsPrevious[PrevDecl] = false; |
22391 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) |
22392 | UsedAsPrevious[D] = true; |
22393 | } |
22394 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = |
22395 | PrevDecl->getLocation(); |
22396 | } |
22397 | Filter.done(); |
22398 | if (InCompoundScope) { |
22399 | for (const auto &PrevData : UsedAsPrevious) { |
22400 | if (!PrevData.second) { |
22401 | PrevDMD = PrevData.first; |
22402 | break; |
22403 | } |
22404 | } |
22405 | } |
22406 | } else if (PrevDeclInScope) { |
22407 | auto *PrevDMDInScope = PrevDMD = |
22408 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); |
22409 | do { |
22410 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = |
22411 | PrevDMDInScope->getLocation(); |
22412 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); |
22413 | } while (PrevDMDInScope != nullptr); |
22414 | } |
22415 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); |
22416 | bool Invalid = false; |
22417 | if (I != PreviousRedeclTypes.end()) { |
22418 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) |
22419 | << MapperType << Name; |
22420 | Diag(I->second, diag::note_previous_definition); |
22421 | Invalid = true; |
22422 | } |
22423 | // Build expressions for implicit maps of data members with 'default' |
22424 | // mappers. |
22425 | SmallVector<OMPClause *, 4> ClausesWithImplicit(Clauses.begin(), |
22426 | Clauses.end()); |
22427 | if (LangOpts.OpenMP >= 50) |
22428 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ClausesWithImplicit); |
22429 | auto *DMD = |
22430 | OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, MapperType, VN, |
22431 | ClausesWithImplicit, PrevDMD); |
22432 | if (S) |
22433 | PushOnScopeChains(DMD, S); |
22434 | else |
22435 | DC->addDecl(DMD); |
22436 | DMD->setAccess(AS); |
22437 | if (Invalid) |
22438 | DMD->setInvalidDecl(); |
22439 | |
22440 | auto *VD = cast<DeclRefExpr>(MapperVarRef)->getDecl(); |
22441 | VD->setDeclContext(DMD); |
22442 | VD->setLexicalDeclContext(DMD); |
22443 | DMD->addDecl(VD); |
22444 | DMD->setMapperVarRef(MapperVarRef); |
22445 | |
22446 | return DeclGroupPtrTy::make(DeclGroupRef(DMD)); |
22447 | } |
22448 | |
22449 | ExprResult |
22450 | Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(Scope *S, QualType MapperType, |
22451 | SourceLocation StartLoc, |
22452 | DeclarationName VN) { |
22453 | TypeSourceInfo *TInfo = |
22454 | Context.getTrivialTypeSourceInfo(MapperType, StartLoc); |
22455 | auto *VD = VarDecl::Create(Context, Context.getTranslationUnitDecl(), |
22456 | StartLoc, StartLoc, VN.getAsIdentifierInfo(), |
22457 | MapperType, TInfo, SC_None); |
22458 | if (S) |
22459 | PushOnScopeChains(VD, S, /*AddToContext=*/false); |
22460 | Expr *E = buildDeclRefExpr(*this, VD, MapperType, StartLoc); |
22461 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDeclareMapperVarRef(E); |
22462 | return E; |
22463 | } |
22464 | |
22465 | void Sema::ActOnOpenMPIteratorVarDecl(VarDecl *VD) { |
22466 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef()) |
22467 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addIteratorVarDecl(VD); |
22468 | } |
22469 | |
22470 | bool Sema::isOpenMPDeclareMapperVarDeclAllowed(const VarDecl *VD) const { |
22471 | 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", 22471, __extension__ __PRETTY_FUNCTION__ )); |
22472 | const Expr *Ref = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef(); |
22473 | if (const auto *DRE = cast_or_null<DeclRefExpr>(Ref)) { |
22474 | if (VD->getCanonicalDecl() == DRE->getDecl()->getCanonicalDecl()) |
22475 | return true; |
22476 | if (VD->isUsableInConstantExpressions(Context)) |
22477 | return true; |
22478 | if (LangOpts.OpenMP >= 52 && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isIteratorVarDecl(VD)) |
22479 | return true; |
22480 | return false; |
22481 | } |
22482 | return true; |
22483 | } |
22484 | |
22485 | const ValueDecl *Sema::getOpenMPDeclareMapperVarName() const { |
22486 | 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", 22486, __extension__ __PRETTY_FUNCTION__ )); |
22487 | return cast<DeclRefExpr>(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef())->getDecl(); |
22488 | } |
22489 | |
22490 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, |
22491 | SourceLocation StartLoc, |
22492 | SourceLocation LParenLoc, |
22493 | SourceLocation EndLoc) { |
22494 | Expr *ValExpr = NumTeams; |
22495 | Stmt *HelperValStmt = nullptr; |
22496 | |
22497 | // OpenMP [teams Constrcut, Restrictions] |
22498 | // The num_teams expression must evaluate to a positive integer value. |
22499 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, |
22500 | /*StrictlyPositive=*/true)) |
22501 | return nullptr; |
22502 | |
22503 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
22504 | OpenMPDirectiveKind CaptureRegion = |
22505 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams, LangOpts.OpenMP); |
22506 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
22507 | ValExpr = MakeFullExpr(ValExpr).get(); |
22508 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
22509 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
22510 | HelperValStmt = buildPreInits(Context, Captures); |
22511 | } |
22512 | |
22513 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, |
22514 | StartLoc, LParenLoc, EndLoc); |
22515 | } |
22516 | |
22517 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, |
22518 | SourceLocation StartLoc, |
22519 | SourceLocation LParenLoc, |
22520 | SourceLocation EndLoc) { |
22521 | Expr *ValExpr = ThreadLimit; |
22522 | Stmt *HelperValStmt = nullptr; |
22523 | |
22524 | // OpenMP [teams Constrcut, Restrictions] |
22525 | // The thread_limit expression must evaluate to a positive integer value. |
22526 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, |
22527 | /*StrictlyPositive=*/true)) |
22528 | return nullptr; |
22529 | |
22530 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
22531 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( |
22532 | DKind, OMPC_thread_limit, LangOpts.OpenMP); |
22533 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
22534 | ValExpr = MakeFullExpr(ValExpr).get(); |
22535 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
22536 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
22537 | HelperValStmt = buildPreInits(Context, Captures); |
22538 | } |
22539 | |
22540 | return new (Context) OMPThreadLimitClause( |
22541 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
22542 | } |
22543 | |
22544 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, |
22545 | SourceLocation StartLoc, |
22546 | SourceLocation LParenLoc, |
22547 | SourceLocation EndLoc) { |
22548 | Expr *ValExpr = Priority; |
22549 | Stmt *HelperValStmt = nullptr; |
22550 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
22551 | |
22552 | // OpenMP [2.9.1, task Constrcut] |
22553 | // The priority-value is a non-negative numerical scalar expression. |
22554 | if (!isNonNegativeIntegerValue( |
22555 | ValExpr, *this, OMPC_priority, |
22556 | /*StrictlyPositive=*/false, /*BuildCapture=*/true, |
22557 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
22558 | return nullptr; |
22559 | |
22560 | return new (Context) OMPPriorityClause(ValExpr, HelperValStmt, CaptureRegion, |
22561 | StartLoc, LParenLoc, EndLoc); |
22562 | } |
22563 | |
22564 | OMPClause *Sema::ActOnOpenMPGrainsizeClause( |
22565 | OpenMPGrainsizeClauseModifier Modifier, Expr *Grainsize, |
22566 | SourceLocation StartLoc, SourceLocation LParenLoc, |
22567 | SourceLocation ModifierLoc, SourceLocation EndLoc) { |
22568 | assert((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 51) &&(static_cast <bool> ((ModifierLoc.isInvalid() || LangOpts .OpenMP >= 51) && "Unexpected grainsize modifier in OpenMP < 51." ) ? void (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 51) && \"Unexpected grainsize modifier in OpenMP < 51.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22569, __extension__ __PRETTY_FUNCTION__ )) |
22569 | "Unexpected grainsize modifier in OpenMP < 51.")(static_cast <bool> ((ModifierLoc.isInvalid() || LangOpts .OpenMP >= 51) && "Unexpected grainsize modifier in OpenMP < 51." ) ? void (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 51) && \"Unexpected grainsize modifier in OpenMP < 51.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22569, __extension__ __PRETTY_FUNCTION__ )); |
22570 | |
22571 | if (ModifierLoc.isValid() && Modifier == OMPC_GRAINSIZE_unknown) { |
22572 | std::string Values = getListOfPossibleValues(OMPC_grainsize, /*First=*/0, |
22573 | OMPC_GRAINSIZE_unknown); |
22574 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) |
22575 | << Values << getOpenMPClauseName(OMPC_grainsize); |
22576 | return nullptr; |
22577 | } |
22578 | |
22579 | Expr *ValExpr = Grainsize; |
22580 | Stmt *HelperValStmt = nullptr; |
22581 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
22582 | |
22583 | // OpenMP [2.9.2, taskloop Constrcut] |
22584 | // The parameter of the grainsize clause must be a positive integer |
22585 | // expression. |
22586 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_grainsize, |
22587 | /*StrictlyPositive=*/true, |
22588 | /*BuildCapture=*/true, |
22589 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), |
22590 | &CaptureRegion, &HelperValStmt)) |
22591 | return nullptr; |
22592 | |
22593 | return new (Context) |
22594 | OMPGrainsizeClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, |
22595 | StartLoc, LParenLoc, ModifierLoc, EndLoc); |
22596 | } |
22597 | |
22598 | OMPClause *Sema::ActOnOpenMPNumTasksClause( |
22599 | OpenMPNumTasksClauseModifier Modifier, Expr *NumTasks, |
22600 | SourceLocation StartLoc, SourceLocation LParenLoc, |
22601 | SourceLocation ModifierLoc, SourceLocation EndLoc) { |
22602 | assert((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 51) &&(static_cast <bool> ((ModifierLoc.isInvalid() || LangOpts .OpenMP >= 51) && "Unexpected num_tasks modifier in OpenMP < 51." ) ? void (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 51) && \"Unexpected num_tasks modifier in OpenMP < 51.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22603, __extension__ __PRETTY_FUNCTION__ )) |
22603 | "Unexpected num_tasks modifier in OpenMP < 51.")(static_cast <bool> ((ModifierLoc.isInvalid() || LangOpts .OpenMP >= 51) && "Unexpected num_tasks modifier in OpenMP < 51." ) ? void (0) : __assert_fail ("(ModifierLoc.isInvalid() || LangOpts.OpenMP >= 51) && \"Unexpected num_tasks modifier in OpenMP < 51.\"" , "clang/lib/Sema/SemaOpenMP.cpp", 22603, __extension__ __PRETTY_FUNCTION__ )); |
22604 | |
22605 | if (ModifierLoc.isValid() && Modifier == OMPC_NUMTASKS_unknown) { |
22606 | std::string Values = getListOfPossibleValues(OMPC_num_tasks, /*First=*/0, |
22607 | OMPC_NUMTASKS_unknown); |
22608 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) |
22609 | << Values << getOpenMPClauseName(OMPC_num_tasks); |
22610 | return nullptr; |
22611 | } |
22612 | |
22613 | Expr *ValExpr = NumTasks; |
22614 | Stmt *HelperValStmt = nullptr; |
22615 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
22616 | |
22617 | // OpenMP [2.9.2, taskloop Constrcut] |
22618 | // The parameter of the num_tasks clause must be a positive integer |
22619 | // expression. |
22620 | if (!isNonNegativeIntegerValue( |
22621 | ValExpr, *this, OMPC_num_tasks, |
22622 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, |
22623 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
22624 | return nullptr; |
22625 | |
22626 | return new (Context) |
22627 | OMPNumTasksClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, |
22628 | StartLoc, LParenLoc, ModifierLoc, EndLoc); |
22629 | } |
22630 | |
22631 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, |
22632 | SourceLocation LParenLoc, |
22633 | SourceLocation EndLoc) { |
22634 | // OpenMP [2.13.2, critical construct, Description] |
22635 | // ... where hint-expression is an integer constant expression that evaluates |
22636 | // to a valid lock hint. |
22637 | ExprResult HintExpr = |
22638 | VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint, false); |
22639 | if (HintExpr.isInvalid()) |
22640 | return nullptr; |
22641 | return new (Context) |
22642 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); |
22643 | } |
22644 | |
22645 | /// Tries to find omp_event_handle_t type. |
22646 | static bool findOMPEventHandleT(Sema &S, SourceLocation Loc, |
22647 | DSAStackTy *Stack) { |
22648 | QualType OMPEventHandleT = Stack->getOMPEventHandleT(); |
22649 | if (!OMPEventHandleT.isNull()) |
22650 | return true; |
22651 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_event_handle_t"); |
22652 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); |
22653 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
22654 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_event_handle_t"; |
22655 | return false; |
22656 | } |
22657 | Stack->setOMPEventHandleT(PT.get()); |
22658 | return true; |
22659 | } |
22660 | |
22661 | OMPClause *Sema::ActOnOpenMPDetachClause(Expr *Evt, SourceLocation StartLoc, |
22662 | SourceLocation LParenLoc, |
22663 | SourceLocation EndLoc) { |
22664 | if (!Evt->isValueDependent() && !Evt->isTypeDependent() && |
22665 | !Evt->isInstantiationDependent() && |
22666 | !Evt->containsUnexpandedParameterPack()) { |
22667 | if (!findOMPEventHandleT(*this, Evt->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
22668 | return nullptr; |
22669 | // OpenMP 5.0, 2.10.1 task Construct. |
22670 | // event-handle is a variable of the omp_event_handle_t type. |
22671 | auto *Ref = dyn_cast<DeclRefExpr>(Evt->IgnoreParenImpCasts()); |
22672 | if (!Ref) { |
22673 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
22674 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); |
22675 | return nullptr; |
22676 | } |
22677 | auto *VD = dyn_cast_or_null<VarDecl>(Ref->getDecl()); |
22678 | if (!VD) { |
22679 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
22680 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); |
22681 | return nullptr; |
22682 | } |
22683 | if (!Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPEventHandleT(), |
22684 | VD->getType()) || |
22685 | VD->getType().isConstant(Context)) { |
22686 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
22687 | << "omp_event_handle_t" << 1 << VD->getType() |
22688 | << Evt->getSourceRange(); |
22689 | return nullptr; |
22690 | } |
22691 | // OpenMP 5.0, 2.10.1 task Construct |
22692 | // [detach clause]... The event-handle will be considered as if it was |
22693 | // specified on a firstprivate clause. |
22694 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
22695 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && |
22696 | DVar.RefExpr) { |
22697 | Diag(Evt->getExprLoc(), diag::err_omp_wrong_dsa) |
22698 | << getOpenMPClauseName(DVar.CKind) |
22699 | << getOpenMPClauseName(OMPC_firstprivate); |
22700 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); |
22701 | return nullptr; |
22702 | } |
22703 | } |
22704 | |
22705 | return new (Context) OMPDetachClause(Evt, StartLoc, LParenLoc, EndLoc); |
22706 | } |
22707 | |
22708 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( |
22709 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, |
22710 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, |
22711 | SourceLocation EndLoc) { |
22712 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { |
22713 | std::string Values; |
22714 | Values += "'"; |
22715 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); |
22716 | Values += "'"; |
22717 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
22718 | << Values << getOpenMPClauseName(OMPC_dist_schedule); |
22719 | return nullptr; |
22720 | } |
22721 | Expr *ValExpr = ChunkSize; |
22722 | Stmt *HelperValStmt = nullptr; |
22723 | if (ChunkSize) { |
22724 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && |
22725 | !ChunkSize->isInstantiationDependent() && |
22726 | !ChunkSize->containsUnexpandedParameterPack()) { |
22727 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); |
22728 | ExprResult Val = |
22729 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); |
22730 | if (Val.isInvalid()) |
22731 | return nullptr; |
22732 | |
22733 | ValExpr = Val.get(); |
22734 | |
22735 | // OpenMP [2.7.1, Restrictions] |
22736 | // chunk_size must be a loop invariant integer expression with a positive |
22737 | // value. |
22738 | if (std::optional<llvm::APSInt> Result = |
22739 | ValExpr->getIntegerConstantExpr(Context)) { |
22740 | if (Result->isSigned() && !Result->isStrictlyPositive()) { |
22741 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) |
22742 | << "dist_schedule" << ChunkSize->getSourceRange(); |
22743 | return nullptr; |
22744 | } |
22745 | } else if (getOpenMPCaptureRegionForClause( |
22746 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule, |
22747 | LangOpts.OpenMP) != OMPD_unknown && |
22748 | !CurContext->isDependentContext()) { |
22749 | ValExpr = MakeFullExpr(ValExpr).get(); |
22750 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
22751 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
22752 | HelperValStmt = buildPreInits(Context, Captures); |
22753 | } |
22754 | } |
22755 | } |
22756 | |
22757 | return new (Context) |
22758 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, |
22759 | Kind, ValExpr, HelperValStmt); |
22760 | } |
22761 | |
22762 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( |
22763 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, |
22764 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, |
22765 | SourceLocation KindLoc, SourceLocation EndLoc) { |
22766 | if (getLangOpts().OpenMP < 50) { |
22767 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || |
22768 | Kind != OMPC_DEFAULTMAP_scalar) { |
22769 | std::string Value; |
22770 | SourceLocation Loc; |
22771 | Value += "'"; |
22772 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { |
22773 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, |
22774 | OMPC_DEFAULTMAP_MODIFIER_tofrom); |
22775 | Loc = MLoc; |
22776 | } else { |
22777 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, |
22778 | OMPC_DEFAULTMAP_scalar); |
22779 | Loc = KindLoc; |
22780 | } |
22781 | Value += "'"; |
22782 | Diag(Loc, diag::err_omp_unexpected_clause_value) |
22783 | << Value << getOpenMPClauseName(OMPC_defaultmap); |
22784 | return nullptr; |
22785 | } |
22786 | } else { |
22787 | bool isDefaultmapModifier = (M != OMPC_DEFAULTMAP_MODIFIER_unknown); |
22788 | bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown) || |
22789 | (LangOpts.OpenMP >= 50 && KindLoc.isInvalid()); |
22790 | if (!isDefaultmapKind || !isDefaultmapModifier) { |
22791 | StringRef KindValue = "'scalar', 'aggregate', 'pointer'"; |
22792 | if (LangOpts.OpenMP == 50) { |
22793 | StringRef ModifierValue = "'alloc', 'from', 'to', 'tofrom', " |
22794 | "'firstprivate', 'none', 'default'"; |
22795 | if (!isDefaultmapKind && isDefaultmapModifier) { |
22796 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
22797 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
22798 | } else if (isDefaultmapKind && !isDefaultmapModifier) { |
22799 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
22800 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
22801 | } else { |
22802 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
22803 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
22804 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
22805 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
22806 | } |
22807 | } else { |
22808 | StringRef ModifierValue = |
22809 | "'alloc', 'from', 'to', 'tofrom', " |
22810 | "'firstprivate', 'none', 'default', 'present'"; |
22811 | if (!isDefaultmapKind && isDefaultmapModifier) { |
22812 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
22813 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
22814 | } else if (isDefaultmapKind && !isDefaultmapModifier) { |
22815 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
22816 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
22817 | } else { |
22818 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
22819 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
22820 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
22821 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
22822 | } |
22823 | } |
22824 | return nullptr; |
22825 | } |
22826 | |
22827 | // OpenMP [5.0, 2.12.5, Restrictions, p. 174] |
22828 | // At most one defaultmap clause for each category can appear on the |
22829 | // directive. |
22830 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkDefaultmapCategory(Kind)) { |
22831 | Diag(StartLoc, diag::err_omp_one_defaultmap_each_category); |
22832 | return nullptr; |
22833 | } |
22834 | } |
22835 | if (Kind == OMPC_DEFAULTMAP_unknown) { |
22836 | // Variable category is not specified - mark all categories. |
22837 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_aggregate, StartLoc); |
22838 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_scalar, StartLoc); |
22839 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_pointer, StartLoc); |
22840 | } else { |
22841 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, Kind, StartLoc); |
22842 | } |
22843 | |
22844 | return new (Context) |
22845 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); |
22846 | } |
22847 | |
22848 | bool Sema::ActOnStartOpenMPDeclareTargetContext( |
22849 | DeclareTargetContextInfo &DTCI) { |
22850 | DeclContext *CurLexicalContext = getCurLexicalContext(); |
22851 | if (!CurLexicalContext->isFileContext() && |
22852 | !CurLexicalContext->isExternCContext() && |
22853 | !CurLexicalContext->isExternCXXContext() && |
22854 | !isa<CXXRecordDecl>(CurLexicalContext) && |
22855 | !isa<ClassTemplateDecl>(CurLexicalContext) && |
22856 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && |
22857 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { |
22858 | Diag(DTCI.Loc, diag::err_omp_region_not_file_context); |
22859 | return false; |
22860 | } |
22861 | |
22862 | // Report affected OpenMP target offloading behavior when in HIP lang-mode. |
22863 | if (getLangOpts().HIP) |
22864 | Diag(DTCI.Loc, diag::warn_hip_omp_target_directives); |
22865 | |
22866 | DeclareTargetNesting.push_back(DTCI); |
22867 | return true; |
22868 | } |
22869 | |
22870 | const Sema::DeclareTargetContextInfo |
22871 | Sema::ActOnOpenMPEndDeclareTargetDirective() { |
22872 | 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", 22873, __extension__ __PRETTY_FUNCTION__ )) |
22873 | "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", 22873, __extension__ __PRETTY_FUNCTION__ )); |
22874 | return DeclareTargetNesting.pop_back_val(); |
22875 | } |
22876 | |
22877 | void Sema::ActOnFinishedOpenMPDeclareTargetContext( |
22878 | DeclareTargetContextInfo &DTCI) { |
22879 | for (auto &It : DTCI.ExplicitlyMapped) |
22880 | ActOnOpenMPDeclareTargetName(It.first, It.second.Loc, It.second.MT, DTCI); |
22881 | } |
22882 | |
22883 | void Sema::DiagnoseUnterminatedOpenMPDeclareTarget() { |
22884 | if (DeclareTargetNesting.empty()) |
22885 | return; |
22886 | DeclareTargetContextInfo &DTCI = DeclareTargetNesting.back(); |
22887 | Diag(DTCI.Loc, diag::warn_omp_unterminated_declare_target) |
22888 | << getOpenMPDirectiveName(DTCI.Kind); |
22889 | } |
22890 | |
22891 | NamedDecl *Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, |
22892 | CXXScopeSpec &ScopeSpec, |
22893 | const DeclarationNameInfo &Id) { |
22894 | LookupResult Lookup(*this, Id, LookupOrdinaryName); |
22895 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); |
22896 | |
22897 | if (Lookup.isAmbiguous()) |
22898 | return nullptr; |
22899 | Lookup.suppressDiagnostics(); |
22900 | |
22901 | if (!Lookup.isSingleResult()) { |
22902 | VarOrFuncDeclFilterCCC CCC(*this); |
22903 | if (TypoCorrection Corrected = |
22904 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, |
22905 | CTK_ErrorRecovery)) { |
22906 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) |
22907 | << Id.getName()); |
22908 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); |
22909 | return nullptr; |
22910 | } |
22911 | |
22912 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); |
22913 | return nullptr; |
22914 | } |
22915 | |
22916 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); |
22917 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && |
22918 | !isa<FunctionTemplateDecl>(ND)) { |
22919 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); |
22920 | return nullptr; |
22921 | } |
22922 | return ND; |
22923 | } |
22924 | |
22925 | void Sema::ActOnOpenMPDeclareTargetName(NamedDecl *ND, SourceLocation Loc, |
22926 | OMPDeclareTargetDeclAttr::MapTypeTy MT, |
22927 | DeclareTargetContextInfo &DTCI) { |
22928 | 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", 22930, __extension__ __PRETTY_FUNCTION__ )) |
22929 | 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", 22930, __extension__ __PRETTY_FUNCTION__ )) |
22930 | "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", 22930, __extension__ __PRETTY_FUNCTION__ )); |
22931 | |
22932 | // Diagnose marking after use as it may lead to incorrect diagnosis and |
22933 | // codegen. |
22934 | if (LangOpts.OpenMP >= 50 && |
22935 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) |
22936 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); |
22937 | |
22938 | // Report affected OpenMP target offloading behavior when in HIP lang-mode. |
22939 | if (getLangOpts().HIP) |
22940 | Diag(Loc, diag::warn_hip_omp_target_directives); |
22941 | |
22942 | // Explicit declare target lists have precedence. |
22943 | const unsigned Level = -1; |
22944 | |
22945 | auto *VD = cast<ValueDecl>(ND); |
22946 | std::optional<OMPDeclareTargetDeclAttr *> ActiveAttr = |
22947 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); |
22948 | if (ActiveAttr && (*ActiveAttr)->getDevType() != DTCI.DT && |
22949 | (*ActiveAttr)->getLevel() == Level) { |
22950 | Diag(Loc, diag::err_omp_device_type_mismatch) |
22951 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DTCI.DT) |
22952 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr( |
22953 | (*ActiveAttr)->getDevType()); |
22954 | return; |
22955 | } |
22956 | if (ActiveAttr && (*ActiveAttr)->getMapType() != MT && |
22957 | (*ActiveAttr)->getLevel() == Level) { |
22958 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; |
22959 | return; |
22960 | } |
22961 | |
22962 | if (ActiveAttr && (*ActiveAttr)->getLevel() == Level) |
22963 | return; |
22964 | |
22965 | Expr *IndirectE = nullptr; |
22966 | bool IsIndirect = false; |
22967 | if (DTCI.Indirect) { |
22968 | IndirectE = *DTCI.Indirect; |
22969 | if (!IndirectE) |
22970 | IsIndirect = true; |
22971 | } |
22972 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( |
22973 | Context, MT, DTCI.DT, IndirectE, IsIndirect, Level, |
22974 | SourceRange(Loc, Loc)); |
22975 | ND->addAttr(A); |
22976 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
22977 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); |
22978 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); |
22979 | } |
22980 | |
22981 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, |
22982 | Sema &SemaRef, Decl *D) { |
22983 | if (!D || !isa<VarDecl>(D)) |
22984 | return; |
22985 | auto *VD = cast<VarDecl>(D); |
22986 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = |
22987 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); |
22988 | if (SemaRef.LangOpts.OpenMP >= 50 && |
22989 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || |
22990 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && |
22991 | VD->hasGlobalStorage()) { |
22992 | if (!MapTy || (*MapTy != OMPDeclareTargetDeclAttr::MT_To && |
22993 | *MapTy != OMPDeclareTargetDeclAttr::MT_Enter)) { |
22994 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions |
22995 | // If a lambda declaration and definition appears between a |
22996 | // declare target directive and the matching end declare target |
22997 | // directive, all variables that are captured by the lambda |
22998 | // expression must also appear in a to clause. |
22999 | SemaRef.Diag(VD->getLocation(), |
23000 | diag::err_omp_lambda_capture_in_declare_target_not_to); |
23001 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) |
23002 | << VD << 0 << SR; |
23003 | return; |
23004 | } |
23005 | } |
23006 | if (MapTy) |
23007 | return; |
23008 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); |
23009 | SemaRef.Diag(SL, diag::note_used_here) << SR; |
23010 | } |
23011 | |
23012 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, |
23013 | Sema &SemaRef, DSAStackTy *Stack, |
23014 | ValueDecl *VD) { |
23015 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || |
23016 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), |
23017 | /*FullCheck=*/false); |
23018 | } |
23019 | |
23020 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, |
23021 | SourceLocation IdLoc) { |
23022 | if (!D || D->isInvalidDecl()) |
23023 | return; |
23024 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); |
23025 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); |
23026 | if (auto *VD = dyn_cast<VarDecl>(D)) { |
23027 | // Only global variables can be marked as declare target. |
23028 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && |
23029 | !VD->isStaticDataMember()) |
23030 | return; |
23031 | // 2.10.6: threadprivate variable cannot appear in a declare target |
23032 | // directive. |
23033 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
23034 | Diag(SL, diag::err_omp_threadprivate_in_target); |
23035 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); |
23036 | return; |
23037 | } |
23038 | } |
23039 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) |
23040 | D = FTD->getTemplatedDecl(); |
23041 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { |
23042 | std::optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = |
23043 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); |
23044 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { |
23045 | Diag(IdLoc, diag::err_omp_function_in_link_clause); |
23046 | Diag(FD->getLocation(), diag::note_defined_here) << FD; |
23047 | return; |
23048 | } |
23049 | } |
23050 | if (auto *VD = dyn_cast<ValueDecl>(D)) { |
23051 | // Problem if any with var declared with incomplete type will be reported |
23052 | // as normal, so no need to check it here. |
23053 | if ((E || !VD->getType()->isIncompleteType()) && |
23054 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) |
23055 | return; |
23056 | if (!E && isInOpenMPDeclareTargetContext()) { |
23057 | // Checking declaration inside declare target region. |
23058 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || |
23059 | isa<FunctionTemplateDecl>(D)) { |
23060 | std::optional<OMPDeclareTargetDeclAttr *> ActiveAttr = |
23061 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); |
23062 | unsigned Level = DeclareTargetNesting.size(); |
23063 | if (ActiveAttr && (*ActiveAttr)->getLevel() >= Level) |
23064 | return; |
23065 | DeclareTargetContextInfo &DTCI = DeclareTargetNesting.back(); |
23066 | Expr *IndirectE = nullptr; |
23067 | bool IsIndirect = false; |
23068 | if (DTCI.Indirect) { |
23069 | IndirectE = *DTCI.Indirect; |
23070 | if (!IndirectE) |
23071 | IsIndirect = true; |
23072 | } |
23073 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( |
23074 | Context, |
23075 | getLangOpts().OpenMP >= 52 ? OMPDeclareTargetDeclAttr::MT_Enter |
23076 | : OMPDeclareTargetDeclAttr::MT_To, |
23077 | DTCI.DT, IndirectE, IsIndirect, Level, |
23078 | SourceRange(DTCI.Loc, DTCI.Loc)); |
23079 | D->addAttr(A); |
23080 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
23081 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); |
23082 | } |
23083 | return; |
23084 | } |
23085 | } |
23086 | if (!E) |
23087 | return; |
23088 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); |
23089 | } |
23090 | |
23091 | OMPClause *Sema::ActOnOpenMPToClause( |
23092 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
23093 | ArrayRef<SourceLocation> MotionModifiersLoc, |
23094 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
23095 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
23096 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { |
23097 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, |
23098 | OMPC_MOTION_MODIFIER_unknown}; |
23099 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; |
23100 | |
23101 | // Process motion-modifiers, flag errors for duplicate modifiers. |
23102 | unsigned Count = 0; |
23103 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { |
23104 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && |
23105 | llvm::is_contained(Modifiers, MotionModifiers[I])) { |
23106 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); |
23107 | continue; |
23108 | } |
23109 | 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", 23110, __extension__ __PRETTY_FUNCTION__ )) |
23110 | "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", 23110, __extension__ __PRETTY_FUNCTION__ )); |
23111 | Modifiers[Count] = MotionModifiers[I]; |
23112 | ModifiersLoc[Count] = MotionModifiersLoc[I]; |
23113 | ++Count; |
23114 | } |
23115 | |
23116 | MappableVarListInfo MVLI(VarList); |
23117 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, |
23118 | MapperIdScopeSpec, MapperId, UnresolvedMappers); |
23119 | if (MVLI.ProcessedVarList.empty()) |
23120 | return nullptr; |
23121 | |
23122 | return OMPToClause::Create( |
23123 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, |
23124 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, |
23125 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); |
23126 | } |
23127 | |
23128 | OMPClause *Sema::ActOnOpenMPFromClause( |
23129 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
23130 | ArrayRef<SourceLocation> MotionModifiersLoc, |
23131 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
23132 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
23133 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { |
23134 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, |
23135 | OMPC_MOTION_MODIFIER_unknown}; |
23136 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; |
23137 | |
23138 | // Process motion-modifiers, flag errors for duplicate modifiers. |
23139 | unsigned Count = 0; |
23140 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { |
23141 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && |
23142 | llvm::is_contained(Modifiers, MotionModifiers[I])) { |
23143 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); |
23144 | continue; |
23145 | } |
23146 | 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", 23147, __extension__ __PRETTY_FUNCTION__ )) |
23147 | "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", 23147, __extension__ __PRETTY_FUNCTION__ )); |
23148 | Modifiers[Count] = MotionModifiers[I]; |
23149 | ModifiersLoc[Count] = MotionModifiersLoc[I]; |
23150 | ++Count; |
23151 | } |
23152 | |
23153 | MappableVarListInfo MVLI(VarList); |
23154 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, |
23155 | MapperIdScopeSpec, MapperId, UnresolvedMappers); |
23156 | if (MVLI.ProcessedVarList.empty()) |
23157 | return nullptr; |
23158 | |
23159 | return OMPFromClause::Create( |
23160 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, |
23161 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, |
23162 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); |
23163 | } |
23164 | |
23165 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, |
23166 | const OMPVarListLocTy &Locs) { |
23167 | MappableVarListInfo MVLI(VarList); |
23168 | SmallVector<Expr *, 8> PrivateCopies; |
23169 | SmallVector<Expr *, 8> Inits; |
23170 | |
23171 | for (Expr *RefExpr : VarList) { |
23172 | 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", 23172, __extension__ __PRETTY_FUNCTION__ )); |
23173 | SourceLocation ELoc; |
23174 | SourceRange ERange; |
23175 | Expr *SimpleRefExpr = RefExpr; |
23176 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
23177 | if (Res.second) { |
23178 | // It will be analyzed later. |
23179 | MVLI.ProcessedVarList.push_back(RefExpr); |
23180 | PrivateCopies.push_back(nullptr); |
23181 | Inits.push_back(nullptr); |
23182 | } |
23183 | ValueDecl *D = Res.first; |
23184 | if (!D) |
23185 | continue; |
23186 | |
23187 | QualType Type = D->getType(); |
23188 | Type = Type.getNonReferenceType().getUnqualifiedType(); |
23189 | |
23190 | auto *VD = dyn_cast<VarDecl>(D); |
23191 | |
23192 | // Item should be a pointer or reference to pointer. |
23193 | if (!Type->isPointerType()) { |
23194 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) |
23195 | << 0 << RefExpr->getSourceRange(); |
23196 | continue; |
23197 | } |
23198 | |
23199 | // Build the private variable and the expression that refers to it. |
23200 | auto VDPrivate = |
23201 | buildVarDecl(*this, ELoc, Type, D->getName(), |
23202 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
23203 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
23204 | if (VDPrivate->isInvalidDecl()) |
23205 | continue; |
23206 | |
23207 | CurContext->addDecl(VDPrivate); |
23208 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
23209 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); |
23210 | |
23211 | // Add temporary variable to initialize the private copy of the pointer. |
23212 | VarDecl *VDInit = |
23213 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); |
23214 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( |
23215 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); |
23216 | AddInitializerToDecl(VDPrivate, |
23217 | DefaultLvalueConversion(VDInitRefExpr).get(), |
23218 | /*DirectInit=*/false); |
23219 | |
23220 | // If required, build a capture to implement the privatization initialized |
23221 | // with the current list item value. |
23222 | DeclRefExpr *Ref = nullptr; |
23223 | if (!VD) |
23224 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
23225 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); |
23226 | PrivateCopies.push_back(VDPrivateRefExpr); |
23227 | Inits.push_back(VDInitRefExpr); |
23228 | |
23229 | // We need to add a data sharing attribute for this variable to make sure it |
23230 | // is correctly captured. A variable that shows up in a use_device_ptr has |
23231 | // similar properties of a first private variable. |
23232 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
23233 | |
23234 | // Create a mappable component for the list item. List items in this clause |
23235 | // only need a component. |
23236 | MVLI.VarBaseDeclarations.push_back(D); |
23237 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
23238 | MVLI.VarComponents.back().emplace_back(SimpleRefExpr, D, |
23239 | /*IsNonContiguous=*/false); |
23240 | } |
23241 | |
23242 | if (MVLI.ProcessedVarList.empty()) |
23243 | return nullptr; |
23244 | |
23245 | return OMPUseDevicePtrClause::Create( |
23246 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, |
23247 | MVLI.VarBaseDeclarations, MVLI.VarComponents); |
23248 | } |
23249 | |
23250 | OMPClause *Sema::ActOnOpenMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, |
23251 | const OMPVarListLocTy &Locs) { |
23252 | MappableVarListInfo MVLI(VarList); |
23253 | |
23254 | for (Expr *RefExpr : VarList) { |
23255 | 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", 23255, __extension__ __PRETTY_FUNCTION__ )); |
23256 | SourceLocation ELoc; |
23257 | SourceRange ERange; |
23258 | Expr *SimpleRefExpr = RefExpr; |
23259 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
23260 | /*AllowArraySection=*/true); |
23261 | if (Res.second) { |
23262 | // It will be analyzed later. |
23263 | MVLI.ProcessedVarList.push_back(RefExpr); |
23264 | } |
23265 | ValueDecl *D = Res.first; |
23266 | if (!D) |
23267 | continue; |
23268 | auto *VD = dyn_cast<VarDecl>(D); |
23269 | |
23270 | // If required, build a capture to implement the privatization initialized |
23271 | // with the current list item value. |
23272 | DeclRefExpr *Ref = nullptr; |
23273 | if (!VD) |
23274 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
23275 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); |
23276 | |
23277 | // We need to add a data sharing attribute for this variable to make sure it |
23278 | // is correctly captured. A variable that shows up in a use_device_addr has |
23279 | // similar properties of a first private variable. |
23280 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
23281 | |
23282 | // Create a mappable component for the list item. List items in this clause |
23283 | // only need a component. |
23284 | MVLI.VarBaseDeclarations.push_back(D); |
23285 | MVLI.VarComponents.emplace_back(); |
23286 | Expr *Component = SimpleRefExpr; |
23287 | if (VD && (isa<OMPArraySectionExpr>(RefExpr->IgnoreParenImpCasts()) || |
23288 | isa<ArraySubscriptExpr>(RefExpr->IgnoreParenImpCasts()))) |
23289 | Component = DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); |
23290 | MVLI.VarComponents.back().emplace_back(Component, D, |
23291 | /*IsNonContiguous=*/false); |
23292 | } |
23293 | |
23294 | if (MVLI.ProcessedVarList.empty()) |
23295 | return nullptr; |
23296 | |
23297 | return OMPUseDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
23298 | MVLI.VarBaseDeclarations, |
23299 | MVLI.VarComponents); |
23300 | } |
23301 | |
23302 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, |
23303 | const OMPVarListLocTy &Locs) { |
23304 | MappableVarListInfo MVLI(VarList); |
23305 | for (Expr *RefExpr : VarList) { |
23306 | 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", 23306, __extension__ __PRETTY_FUNCTION__ )); |
23307 | SourceLocation ELoc; |
23308 | SourceRange ERange; |
23309 | Expr *SimpleRefExpr = RefExpr; |
23310 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
23311 | if (Res.second) { |
23312 | // It will be analyzed later. |
23313 | MVLI.ProcessedVarList.push_back(RefExpr); |
23314 | } |
23315 | ValueDecl *D = Res.first; |
23316 | if (!D) |
23317 | continue; |
23318 | |
23319 | QualType Type = D->getType(); |
23320 | // item should be a pointer or array or reference to pointer or array |
23321 | if (!Type.getNonReferenceType()->isPointerType() && |
23322 | !Type.getNonReferenceType()->isArrayType()) { |
23323 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) |
23324 | << 0 << RefExpr->getSourceRange(); |
23325 | continue; |
23326 | } |
23327 | |
23328 | // Check if the declaration in the clause does not show up in any data |
23329 | // sharing attribute. |
23330 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
23331 | if (isOpenMPPrivate(DVar.CKind)) { |
23332 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
23333 | << getOpenMPClauseName(DVar.CKind) |
23334 | << getOpenMPClauseName(OMPC_is_device_ptr) |
23335 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
23336 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
23337 | continue; |
23338 | } |
23339 | |
23340 | const Expr *ConflictExpr; |
23341 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
23342 | D, /*CurrentRegionOnly=*/true, |
23343 | [&ConflictExpr]( |
23344 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, |
23345 | OpenMPClauseKind) -> bool { |
23346 | ConflictExpr = R.front().getAssociatedExpression(); |
23347 | return true; |
23348 | })) { |
23349 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); |
23350 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) |
23351 | << ConflictExpr->getSourceRange(); |
23352 | continue; |
23353 | } |
23354 | |
23355 | // Store the components in the stack so that they can be used to check |
23356 | // against other clauses later on. |
23357 | OMPClauseMappableExprCommon::MappableComponent MC( |
23358 | SimpleRefExpr, D, /*IsNonContiguous=*/false); |
23359 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( |
23360 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); |
23361 | |
23362 | // Record the expression we've just processed. |
23363 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); |
23364 | |
23365 | // Create a mappable component for the list item. List items in this clause |
23366 | // only need a component. We use a null declaration to signal fields in |
23367 | // 'this'. |
23368 | 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", 23370, __extension__ __PRETTY_FUNCTION__ )) |
23369 | 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", 23370, __extension__ __PRETTY_FUNCTION__ )) |
23370 | "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", 23370, __extension__ __PRETTY_FUNCTION__ )); |
23371 | MVLI.VarBaseDeclarations.push_back( |
23372 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); |
23373 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
23374 | MVLI.VarComponents.back().push_back(MC); |
23375 | } |
23376 | |
23377 | if (MVLI.ProcessedVarList.empty()) |
23378 | return nullptr; |
23379 | |
23380 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
23381 | MVLI.VarBaseDeclarations, |
23382 | MVLI.VarComponents); |
23383 | } |
23384 | |
23385 | OMPClause *Sema::ActOnOpenMPHasDeviceAddrClause(ArrayRef<Expr *> VarList, |
23386 | const OMPVarListLocTy &Locs) { |
23387 | MappableVarListInfo MVLI(VarList); |
23388 | for (Expr *RefExpr : VarList) { |
23389 | 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", 23389, __extension__ __PRETTY_FUNCTION__ )); |
23390 | SourceLocation ELoc; |
23391 | SourceRange ERange; |
23392 | Expr *SimpleRefExpr = RefExpr; |
23393 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
23394 | /*AllowArraySection=*/true); |
23395 | if (Res.second) { |
23396 | // It will be analyzed later. |
23397 | MVLI.ProcessedVarList.push_back(RefExpr); |
23398 | } |
23399 | ValueDecl *D = Res.first; |
23400 | if (!D) |
23401 | continue; |
23402 | |
23403 | // Check if the declaration in the clause does not show up in any data |
23404 | // sharing attribute. |
23405 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
23406 | if (isOpenMPPrivate(DVar.CKind)) { |
23407 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
23408 | << getOpenMPClauseName(DVar.CKind) |
23409 | << getOpenMPClauseName(OMPC_has_device_addr) |
23410 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
23411 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
23412 | continue; |
23413 | } |
23414 | |
23415 | const Expr *ConflictExpr; |
23416 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
23417 | D, /*CurrentRegionOnly=*/true, |
23418 | [&ConflictExpr]( |
23419 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, |
23420 | OpenMPClauseKind) -> bool { |
23421 | ConflictExpr = R.front().getAssociatedExpression(); |
23422 | return true; |
23423 | })) { |
23424 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); |
23425 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) |
23426 | << ConflictExpr->getSourceRange(); |
23427 | continue; |
23428 | } |
23429 | |
23430 | // Store the components in the stack so that they can be used to check |
23431 | // against other clauses later on. |
23432 | Expr *Component = SimpleRefExpr; |
23433 | auto *VD = dyn_cast<VarDecl>(D); |
23434 | if (VD && (isa<OMPArraySectionExpr>(RefExpr->IgnoreParenImpCasts()) || |
23435 | isa<ArraySubscriptExpr>(RefExpr->IgnoreParenImpCasts()))) |
23436 | Component = DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); |
23437 | OMPClauseMappableExprCommon::MappableComponent MC( |
23438 | Component, D, /*IsNonContiguous=*/false); |
23439 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( |
23440 | D, MC, /*WhereFoundClauseKind=*/OMPC_has_device_addr); |
23441 | |
23442 | // Record the expression we've just processed. |
23443 | if (!VD && !CurContext->isDependentContext()) { |
23444 | DeclRefExpr *Ref = |
23445 | buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
23446 | 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", 23446, __extension__ __PRETTY_FUNCTION__ )); |
23447 | MVLI.ProcessedVarList.push_back(Ref); |
23448 | } else |
23449 | MVLI.ProcessedVarList.push_back(RefExpr->IgnoreParens()); |
23450 | |
23451 | // Create a mappable component for the list item. List items in this clause |
23452 | // only need a component. We use a null declaration to signal fields in |
23453 | // 'this'. |
23454 | 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", 23456, __extension__ __PRETTY_FUNCTION__ )) |
23455 | 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", 23456, __extension__ __PRETTY_FUNCTION__ )) |
23456 | "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", 23456, __extension__ __PRETTY_FUNCTION__ )); |
23457 | MVLI.VarBaseDeclarations.push_back( |
23458 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); |
23459 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
23460 | MVLI.VarComponents.back().push_back(MC); |
23461 | } |
23462 | |
23463 | if (MVLI.ProcessedVarList.empty()) |
23464 | return nullptr; |
23465 | |
23466 | return OMPHasDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
23467 | MVLI.VarBaseDeclarations, |
23468 | MVLI.VarComponents); |
23469 | } |
23470 | |
23471 | OMPClause *Sema::ActOnOpenMPAllocateClause( |
23472 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
23473 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
23474 | if (Allocator) { |
23475 | // OpenMP [2.11.4 allocate Clause, Description] |
23476 | // allocator is an expression of omp_allocator_handle_t type. |
23477 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
23478 | return nullptr; |
23479 | |
23480 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); |
23481 | if (AllocatorRes.isInvalid()) |
23482 | return nullptr; |
23483 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), |
23484 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
23485 | Sema::AA_Initializing, |
23486 | /*AllowExplicit=*/true); |
23487 | if (AllocatorRes.isInvalid()) |
23488 | return nullptr; |
23489 | Allocator = AllocatorRes.get(); |
23490 | } else { |
23491 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. |
23492 | // allocate clauses that appear on a target construct or on constructs in a |
23493 | // target region must specify an allocator expression unless a requires |
23494 | // directive with the dynamic_allocators clause is present in the same |
23495 | // compilation unit. |
23496 | if (LangOpts.OpenMPIsDevice && |
23497 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) |
23498 | targetDiag(StartLoc, diag::err_expected_allocator_expression); |
23499 | } |
23500 | // Analyze and build list of variables. |
23501 | SmallVector<Expr *, 8> Vars; |
23502 | for (Expr *RefExpr : VarList) { |
23503 | 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", 23503, __extension__ __PRETTY_FUNCTION__ )); |
23504 | SourceLocation ELoc; |
23505 | SourceRange ERange; |
23506 | Expr *SimpleRefExpr = RefExpr; |
23507 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
23508 | if (Res.second) { |
23509 | // It will be analyzed later. |
23510 | Vars.push_back(RefExpr); |
23511 | } |
23512 | ValueDecl *D = Res.first; |
23513 | if (!D) |
23514 | continue; |
23515 | |
23516 | auto *VD = dyn_cast<VarDecl>(D); |
23517 | DeclRefExpr *Ref = nullptr; |
23518 | if (!VD && !CurContext->isDependentContext()) |
23519 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
23520 | Vars.push_back((VD || CurContext->isDependentContext()) |
23521 | ? RefExpr->IgnoreParens() |
23522 | : Ref); |
23523 | } |
23524 | |
23525 | if (Vars.empty()) |
23526 | return nullptr; |
23527 | |
23528 | if (Allocator) |
23529 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addInnerAllocatorExpr(Allocator); |
23530 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, |
23531 | ColonLoc, EndLoc, Vars); |
23532 | } |
23533 | |
23534 | OMPClause *Sema::ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, |
23535 | SourceLocation StartLoc, |
23536 | SourceLocation LParenLoc, |
23537 | SourceLocation EndLoc) { |
23538 | SmallVector<Expr *, 8> Vars; |
23539 | for (Expr *RefExpr : VarList) { |
23540 | 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", 23540, __extension__ __PRETTY_FUNCTION__ )); |
23541 | SourceLocation ELoc; |
23542 | SourceRange ERange; |
23543 | Expr *SimpleRefExpr = RefExpr; |
23544 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
23545 | if (Res.second) |
23546 | // It will be analyzed later. |
23547 | Vars.push_back(RefExpr); |
23548 | ValueDecl *D = Res.first; |
23549 | if (!D) |
23550 | continue; |
23551 | |
23552 | // OpenMP 5.0, 2.9.3.1 simd Construct, Restrictions. |
23553 | // A list-item cannot appear in more than one nontemporal clause. |
23554 | if (const Expr *PrevRef = |
23555 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueNontemporal(D, SimpleRefExpr)) { |
23556 | Diag(ELoc, diag::err_omp_used_in_clause_twice) |
23557 | << 0 << getOpenMPClauseName(OMPC_nontemporal) << ERange; |
23558 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) |
23559 | << getOpenMPClauseName(OMPC_nontemporal); |
23560 | continue; |
23561 | } |
23562 | |
23563 | Vars.push_back(RefExpr); |
23564 | } |
23565 | |
23566 | if (Vars.empty()) |
23567 | return nullptr; |
23568 | |
23569 | return OMPNontemporalClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
23570 | Vars); |
23571 | } |
23572 | |
23573 | OMPClause *Sema::ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList, |
23574 | SourceLocation StartLoc, |
23575 | SourceLocation LParenLoc, |
23576 | SourceLocation EndLoc) { |
23577 | SmallVector<Expr *, 8> Vars; |
23578 | for (Expr *RefExpr : VarList) { |
23579 | 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", 23579, __extension__ __PRETTY_FUNCTION__ )); |
23580 | SourceLocation ELoc; |
23581 | SourceRange ERange; |
23582 | Expr *SimpleRefExpr = RefExpr; |
23583 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
23584 | /*AllowArraySection=*/true); |
23585 | if (Res.second) |
23586 | // It will be analyzed later. |
23587 | Vars.push_back(RefExpr); |
23588 | ValueDecl *D = Res.first; |
23589 | if (!D) |
23590 | continue; |
23591 | |
23592 | const DSAStackTy::DSAVarData DVar = |
23593 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); |
23594 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. |
23595 | // A list item that appears in the inclusive or exclusive clause must appear |
23596 | // in a reduction clause with the inscan modifier on the enclosing |
23597 | // worksharing-loop, worksharing-loop SIMD, or simd construct. |
23598 | if (DVar.CKind != OMPC_reduction || DVar.Modifier != OMPC_REDUCTION_inscan) |
23599 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) |
23600 | << RefExpr->getSourceRange(); |
23601 | |
23602 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown) |
23603 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); |
23604 | Vars.push_back(RefExpr); |
23605 | } |
23606 | |
23607 | if (Vars.empty()) |
23608 | return nullptr; |
23609 | |
23610 | return OMPInclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
23611 | } |
23612 | |
23613 | OMPClause *Sema::ActOnOpenMPExclusiveClause(ArrayRef<Expr *> VarList, |
23614 | SourceLocation StartLoc, |
23615 | SourceLocation LParenLoc, |
23616 | SourceLocation EndLoc) { |
23617 | SmallVector<Expr *, 8> Vars; |
23618 | for (Expr *RefExpr : VarList) { |
23619 | 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", 23619, __extension__ __PRETTY_FUNCTION__ )); |
23620 | SourceLocation ELoc; |
23621 | SourceRange ERange; |
23622 | Expr *SimpleRefExpr = RefExpr; |
23623 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
23624 | /*AllowArraySection=*/true); |
23625 | if (Res.second) |
23626 | // It will be analyzed later. |
23627 | Vars.push_back(RefExpr); |
23628 | ValueDecl *D = Res.first; |
23629 | if (!D) |
23630 | continue; |
23631 | |
23632 | OpenMPDirectiveKind ParentDirective = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective(); |
23633 | DSAStackTy::DSAVarData DVar; |
23634 | if (ParentDirective != OMPD_unknown) |
23635 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); |
23636 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. |
23637 | // A list item that appears in the inclusive or exclusive clause must appear |
23638 | // in a reduction clause with the inscan modifier on the enclosing |
23639 | // worksharing-loop, worksharing-loop SIMD, or simd construct. |
23640 | if (ParentDirective == OMPD_unknown || DVar.CKind != OMPC_reduction || |
23641 | DVar.Modifier != OMPC_REDUCTION_inscan) { |
23642 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) |
23643 | << RefExpr->getSourceRange(); |
23644 | } else { |
23645 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); |
23646 | } |
23647 | Vars.push_back(RefExpr); |
23648 | } |
23649 | |
23650 | if (Vars.empty()) |
23651 | return nullptr; |
23652 | |
23653 | return OMPExclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
23654 | } |
23655 | |
23656 | /// Tries to find omp_alloctrait_t type. |
23657 | static bool findOMPAlloctraitT(Sema &S, SourceLocation Loc, DSAStackTy *Stack) { |
23658 | QualType OMPAlloctraitT = Stack->getOMPAlloctraitT(); |
23659 | if (!OMPAlloctraitT.isNull()) |
23660 | return true; |
23661 | IdentifierInfo &II = S.PP.getIdentifierTable().get("omp_alloctrait_t"); |
23662 | ParsedType PT = S.getTypeName(II, Loc, S.getCurScope()); |
23663 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
23664 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_alloctrait_t"; |
23665 | return false; |
23666 | } |
23667 | Stack->setOMPAlloctraitT(PT.get()); |
23668 | return true; |
23669 | } |
23670 | |
23671 | OMPClause *Sema::ActOnOpenMPUsesAllocatorClause( |
23672 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc, |
23673 | ArrayRef<UsesAllocatorsData> Data) { |
23674 | // OpenMP [2.12.5, target Construct] |
23675 | // allocator is an identifier of omp_allocator_handle_t type. |
23676 | if (!findOMPAllocatorHandleT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
23677 | return nullptr; |
23678 | // OpenMP [2.12.5, target Construct] |
23679 | // allocator-traits-array is an identifier of const omp_alloctrait_t * type. |
23680 | if (llvm::any_of( |
23681 | Data, |
23682 | [](const UsesAllocatorsData &D) { return D.AllocatorTraits; }) && |
23683 | !findOMPAlloctraitT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
23684 | return nullptr; |
23685 | llvm::SmallPtrSet<CanonicalDeclPtr<Decl>, 4> PredefinedAllocators; |
23686 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
23687 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
23688 | StringRef Allocator = |
23689 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); |
23690 | DeclarationName AllocatorName = &Context.Idents.get(Allocator); |
23691 | PredefinedAllocators.insert(LookupSingleName( |
23692 | TUScope, AllocatorName, StartLoc, Sema::LookupAnyName)); |
23693 | } |
23694 | |
23695 | SmallVector<OMPUsesAllocatorsClause::Data, 4> NewData; |
23696 | for (const UsesAllocatorsData &D : Data) { |
23697 | Expr *AllocatorExpr = nullptr; |
23698 | // Check allocator expression. |
23699 | if (D.Allocator->isTypeDependent()) { |
23700 | AllocatorExpr = D.Allocator; |
23701 | } else { |
23702 | // Traits were specified - need to assign new allocator to the specified |
23703 | // allocator, so it must be an lvalue. |
23704 | AllocatorExpr = D.Allocator->IgnoreParenImpCasts(); |
23705 | auto *DRE = dyn_cast<DeclRefExpr>(AllocatorExpr); |
23706 | bool IsPredefinedAllocator = false; |
23707 | if (DRE) { |
23708 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorTy = |
23709 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), AllocatorExpr); |
23710 | IsPredefinedAllocator = |
23711 | AllocatorTy != |
23712 | OMPAllocateDeclAttr::AllocatorTypeTy::OMPUserDefinedMemAlloc; |
23713 | } |
23714 | QualType OMPAllocatorHandleT = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(); |
23715 | QualType AllocatorExprType = AllocatorExpr->getType(); |
23716 | bool IsTypeCompatible = IsPredefinedAllocator; |
23717 | IsTypeCompatible = IsTypeCompatible || |
23718 | Context.hasSameUnqualifiedType(AllocatorExprType, |
23719 | OMPAllocatorHandleT); |
23720 | IsTypeCompatible = |
23721 | IsTypeCompatible || |
23722 | Context.typesAreCompatible(AllocatorExprType, OMPAllocatorHandleT); |
23723 | bool IsNonConstantLValue = |
23724 | !AllocatorExprType.isConstant(Context) && AllocatorExpr->isLValue(); |
23725 | if (!DRE || !IsTypeCompatible || |
23726 | (!IsPredefinedAllocator && !IsNonConstantLValue)) { |
23727 | Diag(D.Allocator->getExprLoc(), diag::err_omp_var_expected) |
23728 | << "omp_allocator_handle_t" << (DRE ? 1 : 0) |
23729 | << AllocatorExpr->getType() << D.Allocator->getSourceRange(); |
23730 | continue; |
23731 | } |
23732 | // OpenMP [2.12.5, target Construct] |
23733 | // Predefined allocators appearing in a uses_allocators clause cannot have |
23734 | // traits specified. |
23735 | if (IsPredefinedAllocator && D.AllocatorTraits) { |
23736 | Diag(D.AllocatorTraits->getExprLoc(), |
23737 | diag::err_omp_predefined_allocator_with_traits) |
23738 | << D.AllocatorTraits->getSourceRange(); |
23739 | Diag(D.Allocator->getExprLoc(), diag::note_omp_predefined_allocator) |
23740 | << cast<NamedDecl>(DRE->getDecl())->getName() |
23741 | << D.Allocator->getSourceRange(); |
23742 | continue; |
23743 | } |
23744 | // OpenMP [2.12.5, target Construct] |
23745 | // Non-predefined allocators appearing in a uses_allocators clause must |
23746 | // have traits specified. |
23747 | if (!IsPredefinedAllocator && !D.AllocatorTraits) { |
23748 | Diag(D.Allocator->getExprLoc(), |
23749 | diag::err_omp_nonpredefined_allocator_without_traits); |
23750 | continue; |
23751 | } |
23752 | // No allocator traits - just convert it to rvalue. |
23753 | if (!D.AllocatorTraits) |
23754 | AllocatorExpr = DefaultLvalueConversion(AllocatorExpr).get(); |
23755 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( |
23756 | DRE->getDecl(), |
23757 | IsPredefinedAllocator |
23758 | ? DSAStackTy::UsesAllocatorsDeclKind::PredefinedAllocator |
23759 | : DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator); |
23760 | } |
23761 | Expr *AllocatorTraitsExpr = nullptr; |
23762 | if (D.AllocatorTraits) { |
23763 | if (D.AllocatorTraits->isTypeDependent()) { |
23764 | AllocatorTraitsExpr = D.AllocatorTraits; |
23765 | } else { |
23766 | // OpenMP [2.12.5, target Construct] |
23767 | // Arrays that contain allocator traits that appear in a uses_allocators |
23768 | // clause must be constant arrays, have constant values and be defined |
23769 | // in the same scope as the construct in which the clause appears. |
23770 | AllocatorTraitsExpr = D.AllocatorTraits->IgnoreParenImpCasts(); |
23771 | // Check that traits expr is a constant array. |
23772 | QualType TraitTy; |
23773 | if (const ArrayType *Ty = |
23774 | AllocatorTraitsExpr->getType()->getAsArrayTypeUnsafe()) |
23775 | if (const auto *ConstArrayTy = dyn_cast<ConstantArrayType>(Ty)) |
23776 | TraitTy = ConstArrayTy->getElementType(); |
23777 | if (TraitTy.isNull() || |
23778 | !(Context.hasSameUnqualifiedType(TraitTy, |
23779 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT()) || |
23780 | Context.typesAreCompatible(TraitTy, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT(), |
23781 | /*CompareUnqualified=*/true))) { |
23782 | Diag(D.AllocatorTraits->getExprLoc(), |
23783 | diag::err_omp_expected_array_alloctraits) |
23784 | << AllocatorTraitsExpr->getType(); |
23785 | continue; |
23786 | } |
23787 | // Do not map by default allocator traits if it is a standalone |
23788 | // variable. |
23789 | if (auto *DRE = dyn_cast<DeclRefExpr>(AllocatorTraitsExpr)) |
23790 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( |
23791 | DRE->getDecl(), |
23792 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait); |
23793 | } |
23794 | } |
23795 | OMPUsesAllocatorsClause::Data &NewD = NewData.emplace_back(); |
23796 | NewD.Allocator = AllocatorExpr; |
23797 | NewD.AllocatorTraits = AllocatorTraitsExpr; |
23798 | NewD.LParenLoc = D.LParenLoc; |
23799 | NewD.RParenLoc = D.RParenLoc; |
23800 | } |
23801 | return OMPUsesAllocatorsClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
23802 | NewData); |
23803 | } |
23804 | |
23805 | OMPClause *Sema::ActOnOpenMPAffinityClause( |
23806 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, |
23807 | SourceLocation EndLoc, Expr *Modifier, ArrayRef<Expr *> Locators) { |
23808 | SmallVector<Expr *, 8> Vars; |
23809 | for (Expr *RefExpr : Locators) { |
23810 | 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", 23810, __extension__ __PRETTY_FUNCTION__ )); |
23811 | if (isa<DependentScopeDeclRefExpr>(RefExpr) || RefExpr->isTypeDependent()) { |
23812 | // It will be analyzed later. |
23813 | Vars.push_back(RefExpr); |
23814 | continue; |
23815 | } |
23816 | |
23817 | SourceLocation ELoc = RefExpr->getExprLoc(); |
23818 | Expr *SimpleExpr = RefExpr->IgnoreParenImpCasts(); |
23819 | |
23820 | if (!SimpleExpr->isLValue()) { |
23821 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
23822 | << 1 << 0 << RefExpr->getSourceRange(); |
23823 | continue; |
23824 | } |
23825 | |
23826 | ExprResult Res; |
23827 | { |
23828 | Sema::TentativeAnalysisScope Trap(*this); |
23829 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, SimpleExpr); |
23830 | } |
23831 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && |
23832 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { |
23833 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
23834 | << 1 << 0 << RefExpr->getSourceRange(); |
23835 | continue; |
23836 | } |
23837 | Vars.push_back(SimpleExpr); |
23838 | } |
23839 | |
23840 | return OMPAffinityClause::Create(Context, StartLoc, LParenLoc, ColonLoc, |
23841 | EndLoc, Modifier, Vars); |
23842 | } |
23843 | |
23844 | OMPClause *Sema::ActOnOpenMPBindClause(OpenMPBindClauseKind Kind, |
23845 | SourceLocation KindLoc, |
23846 | SourceLocation StartLoc, |
23847 | SourceLocation LParenLoc, |
23848 | SourceLocation EndLoc) { |
23849 | if (Kind == OMPC_BIND_unknown) { |
23850 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
23851 | << getListOfPossibleValues(OMPC_bind, /*First=*/0, |
23852 | /*Last=*/unsigned(OMPC_BIND_unknown)) |
23853 | << getOpenMPClauseName(OMPC_bind); |
23854 | return nullptr; |
23855 | } |
23856 | |
23857 | return OMPBindClause::Create(Context, Kind, KindLoc, StartLoc, LParenLoc, |
23858 | EndLoc); |
23859 | } |
23860 | |
23861 | OMPClause *Sema::ActOnOpenMPXDynCGroupMemClause(Expr *Size, |
23862 | SourceLocation StartLoc, |
23863 | SourceLocation LParenLoc, |
23864 | SourceLocation EndLoc) { |
23865 | Expr *ValExpr = Size; |
23866 | Stmt *HelperValStmt = nullptr; |
23867 | |
23868 | // OpenMP [2.5, Restrictions] |
23869 | // The ompx_dyn_cgroup_mem expression must evaluate to a positive integer |
23870 | // value. |
23871 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_ompx_dyn_cgroup_mem, |
23872 | /*StrictlyPositive=*/false)) |
23873 | return nullptr; |
23874 | |
23875 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
23876 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( |
23877 | DKind, OMPC_ompx_dyn_cgroup_mem, LangOpts.OpenMP); |
23878 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
23879 | ValExpr = MakeFullExpr(ValExpr).get(); |
23880 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
23881 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
23882 | HelperValStmt = buildPreInits(Context, Captures); |
23883 | } |
23884 | |
23885 | return new (Context) OMPXDynCGroupMemClause( |
23886 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
23887 | } |