File: | clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 4474, column 5 Value stored to 'ErrorFound' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | /// \file |
9 | /// This file implements semantic analysis for OpenMP directives and |
10 | /// clauses. |
11 | /// |
12 | //===----------------------------------------------------------------------===// |
13 | |
14 | #include "TreeTransform.h" |
15 | #include "clang/AST/ASTContext.h" |
16 | #include "clang/AST/ASTMutationListener.h" |
17 | #include "clang/AST/CXXInheritance.h" |
18 | #include "clang/AST/Decl.h" |
19 | #include "clang/AST/DeclCXX.h" |
20 | #include "clang/AST/DeclOpenMP.h" |
21 | #include "clang/AST/OpenMPClause.h" |
22 | #include "clang/AST/StmtCXX.h" |
23 | #include "clang/AST/StmtOpenMP.h" |
24 | #include "clang/AST/StmtVisitor.h" |
25 | #include "clang/AST/TypeOrdering.h" |
26 | #include "clang/Basic/DiagnosticSema.h" |
27 | #include "clang/Basic/OpenMPKinds.h" |
28 | #include "clang/Basic/PartialDiagnostic.h" |
29 | #include "clang/Basic/TargetInfo.h" |
30 | #include "clang/Sema/Initialization.h" |
31 | #include "clang/Sema/Lookup.h" |
32 | #include "clang/Sema/Scope.h" |
33 | #include "clang/Sema/ScopeInfo.h" |
34 | #include "clang/Sema/SemaInternal.h" |
35 | #include "llvm/ADT/IndexedMap.h" |
36 | #include "llvm/ADT/PointerEmbeddedInt.h" |
37 | #include "llvm/ADT/STLExtras.h" |
38 | #include "llvm/ADT/StringExtras.h" |
39 | #include "llvm/Frontend/OpenMP/OMPConstants.h" |
40 | #include <set> |
41 | |
42 | using namespace clang; |
43 | using namespace llvm::omp; |
44 | |
45 | //===----------------------------------------------------------------------===// |
46 | // Stack of data-sharing attributes for variables |
47 | //===----------------------------------------------------------------------===// |
48 | |
49 | static const Expr *checkMapClauseExpressionBase( |
50 | Sema &SemaRef, Expr *E, |
51 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, |
52 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose); |
53 | |
54 | namespace { |
55 | /// Default data sharing attributes, which can be applied to directive. |
56 | enum DefaultDataSharingAttributes { |
57 | DSA_unspecified = 0, /// Data sharing attribute not specified. |
58 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. |
59 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. |
60 | DSA_firstprivate = 1 << 2, /// Default data sharing attribute 'firstprivate'. |
61 | }; |
62 | |
63 | /// Stack for tracking declarations used in OpenMP directives and |
64 | /// clauses and their data-sharing attributes. |
65 | class DSAStackTy { |
66 | public: |
67 | struct DSAVarData { |
68 | OpenMPDirectiveKind DKind = OMPD_unknown; |
69 | OpenMPClauseKind CKind = OMPC_unknown; |
70 | unsigned Modifier = 0; |
71 | const Expr *RefExpr = nullptr; |
72 | DeclRefExpr *PrivateCopy = nullptr; |
73 | SourceLocation ImplicitDSALoc; |
74 | bool AppliedToPointee = false; |
75 | DSAVarData() = default; |
76 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, |
77 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, |
78 | SourceLocation ImplicitDSALoc, unsigned Modifier, |
79 | bool AppliedToPointee) |
80 | : DKind(DKind), CKind(CKind), Modifier(Modifier), RefExpr(RefExpr), |
81 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc), |
82 | AppliedToPointee(AppliedToPointee) {} |
83 | }; |
84 | using OperatorOffsetTy = |
85 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; |
86 | using DoacrossDependMapTy = |
87 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; |
88 | /// Kind of the declaration used in the uses_allocators clauses. |
89 | enum class UsesAllocatorsDeclKind { |
90 | /// Predefined allocator |
91 | PredefinedAllocator, |
92 | /// User-defined allocator |
93 | UserDefinedAllocator, |
94 | /// The declaration that represent allocator trait |
95 | AllocatorTrait, |
96 | }; |
97 | |
98 | private: |
99 | struct DSAInfo { |
100 | OpenMPClauseKind Attributes = OMPC_unknown; |
101 | unsigned Modifier = 0; |
102 | /// Pointer to a reference expression and a flag which shows that the |
103 | /// variable is marked as lastprivate(true) or not (false). |
104 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; |
105 | DeclRefExpr *PrivateCopy = nullptr; |
106 | /// true if the attribute is applied to the pointee, not the variable |
107 | /// itself. |
108 | bool AppliedToPointee = false; |
109 | }; |
110 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; |
111 | using UsedRefMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; |
112 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; |
113 | using LoopControlVariablesMapTy = |
114 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; |
115 | /// Struct that associates a component with the clause kind where they are |
116 | /// found. |
117 | struct MappedExprComponentTy { |
118 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; |
119 | OpenMPClauseKind Kind = OMPC_unknown; |
120 | }; |
121 | using MappedExprComponentsTy = |
122 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; |
123 | using CriticalsWithHintsTy = |
124 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; |
125 | struct ReductionData { |
126 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; |
127 | SourceRange ReductionRange; |
128 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; |
129 | ReductionData() = default; |
130 | void set(BinaryOperatorKind BO, SourceRange RR) { |
131 | ReductionRange = RR; |
132 | ReductionOp = BO; |
133 | } |
134 | void set(const Expr *RefExpr, SourceRange RR) { |
135 | ReductionRange = RR; |
136 | ReductionOp = RefExpr; |
137 | } |
138 | }; |
139 | using DeclReductionMapTy = |
140 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; |
141 | struct DefaultmapInfo { |
142 | OpenMPDefaultmapClauseModifier ImplicitBehavior = |
143 | OMPC_DEFAULTMAP_MODIFIER_unknown; |
144 | SourceLocation SLoc; |
145 | DefaultmapInfo() = default; |
146 | DefaultmapInfo(OpenMPDefaultmapClauseModifier M, SourceLocation Loc) |
147 | : ImplicitBehavior(M), SLoc(Loc) {} |
148 | }; |
149 | |
150 | struct SharingMapTy { |
151 | DeclSAMapTy SharingMap; |
152 | DeclReductionMapTy ReductionMap; |
153 | UsedRefMapTy AlignedMap; |
154 | UsedRefMapTy NontemporalMap; |
155 | MappedExprComponentsTy MappedExprComponents; |
156 | LoopControlVariablesMapTy LCVMap; |
157 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; |
158 | SourceLocation DefaultAttrLoc; |
159 | DefaultmapInfo DefaultmapMap[OMPC_DEFAULTMAP_unknown]; |
160 | OpenMPDirectiveKind Directive = OMPD_unknown; |
161 | DeclarationNameInfo DirectiveName; |
162 | Scope *CurScope = nullptr; |
163 | DeclContext *Context = nullptr; |
164 | SourceLocation ConstructLoc; |
165 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to |
166 | /// get the data (loop counters etc.) about enclosing loop-based construct. |
167 | /// This data is required during codegen. |
168 | DoacrossDependMapTy DoacrossDepends; |
169 | /// First argument (Expr *) contains optional argument of the |
170 | /// 'ordered' clause, the second one is true if the regions has 'ordered' |
171 | /// clause, false otherwise. |
172 | llvm::Optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; |
173 | unsigned AssociatedLoops = 1; |
174 | bool HasMutipleLoops = false; |
175 | const Decl *PossiblyLoopCounter = nullptr; |
176 | bool NowaitRegion = false; |
177 | bool CancelRegion = false; |
178 | bool LoopStart = false; |
179 | bool BodyComplete = false; |
180 | SourceLocation PrevScanLocation; |
181 | SourceLocation PrevOrderedLocation; |
182 | SourceLocation InnerTeamsRegionLoc; |
183 | /// Reference to the taskgroup task_reduction reference expression. |
184 | Expr *TaskgroupReductionRef = nullptr; |
185 | llvm::DenseSet<QualType> MappedClassesQualTypes; |
186 | SmallVector<Expr *, 4> InnerUsedAllocators; |
187 | llvm::DenseSet<CanonicalDeclPtr<Decl>> ImplicitTaskFirstprivates; |
188 | /// List of globals marked as declare target link in this target region |
189 | /// (isOpenMPTargetExecutionDirective(Directive) == true). |
190 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; |
191 | /// List of decls used in inclusive/exclusive clauses of the scan directive. |
192 | llvm::DenseSet<CanonicalDeclPtr<Decl>> UsedInScanDirective; |
193 | llvm::DenseMap<CanonicalDeclPtr<const Decl>, UsesAllocatorsDeclKind> |
194 | UsesAllocatorsDecls; |
195 | Expr *DeclareMapperVar = nullptr; |
196 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, |
197 | Scope *CurScope, SourceLocation Loc) |
198 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), |
199 | ConstructLoc(Loc) {} |
200 | SharingMapTy() = default; |
201 | }; |
202 | |
203 | using StackTy = SmallVector<SharingMapTy, 4>; |
204 | |
205 | /// Stack of used declaration and their data-sharing attributes. |
206 | DeclSAMapTy Threadprivates; |
207 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; |
208 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; |
209 | /// true, if check for DSA must be from parent directive, false, if |
210 | /// from current directive. |
211 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; |
212 | Sema &SemaRef; |
213 | bool ForceCapturing = false; |
214 | /// true if all the variables in the target executable directives must be |
215 | /// captured by reference. |
216 | bool ForceCaptureByReferenceInTargetExecutable = false; |
217 | CriticalsWithHintsTy Criticals; |
218 | unsigned IgnoredStackElements = 0; |
219 | |
220 | /// Iterators over the stack iterate in order from innermost to outermost |
221 | /// directive. |
222 | using const_iterator = StackTy::const_reverse_iterator; |
223 | const_iterator begin() const { |
224 | return Stack.empty() ? const_iterator() |
225 | : Stack.back().first.rbegin() + IgnoredStackElements; |
226 | } |
227 | const_iterator end() const { |
228 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); |
229 | } |
230 | using iterator = StackTy::reverse_iterator; |
231 | iterator begin() { |
232 | return Stack.empty() ? iterator() |
233 | : Stack.back().first.rbegin() + IgnoredStackElements; |
234 | } |
235 | iterator end() { |
236 | return Stack.empty() ? iterator() : Stack.back().first.rend(); |
237 | } |
238 | |
239 | // Convenience operations to get at the elements of the stack. |
240 | |
241 | bool isStackEmpty() const { |
242 | return Stack.empty() || |
243 | Stack.back().second != CurrentNonCapturingFunctionScope || |
244 | Stack.back().first.size() <= IgnoredStackElements; |
245 | } |
246 | size_t getStackSize() const { |
247 | return isStackEmpty() ? 0 |
248 | : Stack.back().first.size() - IgnoredStackElements; |
249 | } |
250 | |
251 | SharingMapTy *getTopOfStackOrNull() { |
252 | size_t Size = getStackSize(); |
253 | if (Size == 0) |
254 | return nullptr; |
255 | return &Stack.back().first[Size - 1]; |
256 | } |
257 | const SharingMapTy *getTopOfStackOrNull() const { |
258 | return const_cast<DSAStackTy&>(*this).getTopOfStackOrNull(); |
259 | } |
260 | SharingMapTy &getTopOfStack() { |
261 | assert(!isStackEmpty() && "no current directive")(static_cast<void> (0)); |
262 | return *getTopOfStackOrNull(); |
263 | } |
264 | const SharingMapTy &getTopOfStack() const { |
265 | return const_cast<DSAStackTy&>(*this).getTopOfStack(); |
266 | } |
267 | |
268 | SharingMapTy *getSecondOnStackOrNull() { |
269 | size_t Size = getStackSize(); |
270 | if (Size <= 1) |
271 | return nullptr; |
272 | return &Stack.back().first[Size - 2]; |
273 | } |
274 | const SharingMapTy *getSecondOnStackOrNull() const { |
275 | return const_cast<DSAStackTy&>(*this).getSecondOnStackOrNull(); |
276 | } |
277 | |
278 | /// Get the stack element at a certain level (previously returned by |
279 | /// \c getNestingLevel). |
280 | /// |
281 | /// Note that nesting levels count from outermost to innermost, and this is |
282 | /// the reverse of our iteration order where new inner levels are pushed at |
283 | /// the front of the stack. |
284 | SharingMapTy &getStackElemAtLevel(unsigned Level) { |
285 | assert(Level < getStackSize() && "no such stack element")(static_cast<void> (0)); |
286 | return Stack.back().first[Level]; |
287 | } |
288 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { |
289 | return const_cast<DSAStackTy&>(*this).getStackElemAtLevel(Level); |
290 | } |
291 | |
292 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; |
293 | |
294 | /// Checks if the variable is a local for OpenMP region. |
295 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; |
296 | |
297 | /// Vector of previously declared requires directives |
298 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; |
299 | /// omp_allocator_handle_t type. |
300 | QualType OMPAllocatorHandleT; |
301 | /// omp_depend_t type. |
302 | QualType OMPDependT; |
303 | /// omp_event_handle_t type. |
304 | QualType OMPEventHandleT; |
305 | /// omp_alloctrait_t type. |
306 | QualType OMPAlloctraitT; |
307 | /// Expression for the predefined allocators. |
308 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { |
309 | nullptr}; |
310 | /// Vector of previously encountered target directives |
311 | SmallVector<SourceLocation, 2> TargetLocations; |
312 | SourceLocation AtomicLocation; |
313 | |
314 | public: |
315 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} |
316 | |
317 | /// Sets omp_allocator_handle_t type. |
318 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } |
319 | /// Gets omp_allocator_handle_t type. |
320 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } |
321 | /// Sets omp_alloctrait_t type. |
322 | void setOMPAlloctraitT(QualType Ty) { OMPAlloctraitT = Ty; } |
323 | /// Gets omp_alloctrait_t type. |
324 | QualType getOMPAlloctraitT() const { return OMPAlloctraitT; } |
325 | /// Sets the given default allocator. |
326 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, |
327 | Expr *Allocator) { |
328 | OMPPredefinedAllocators[AllocatorKind] = Allocator; |
329 | } |
330 | /// Returns the specified default allocator. |
331 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { |
332 | return OMPPredefinedAllocators[AllocatorKind]; |
333 | } |
334 | /// Sets omp_depend_t type. |
335 | void setOMPDependT(QualType Ty) { OMPDependT = Ty; } |
336 | /// Gets omp_depend_t type. |
337 | QualType getOMPDependT() const { return OMPDependT; } |
338 | |
339 | /// Sets omp_event_handle_t type. |
340 | void setOMPEventHandleT(QualType Ty) { OMPEventHandleT = Ty; } |
341 | /// Gets omp_event_handle_t type. |
342 | QualType getOMPEventHandleT() const { return OMPEventHandleT; } |
343 | |
344 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } |
345 | OpenMPClauseKind getClauseParsingMode() const { |
346 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")(static_cast<void> (0)); |
347 | return ClauseKindMode; |
348 | } |
349 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } |
350 | |
351 | bool isBodyComplete() const { |
352 | const SharingMapTy *Top = getTopOfStackOrNull(); |
353 | return Top && Top->BodyComplete; |
354 | } |
355 | void setBodyComplete() { |
356 | getTopOfStack().BodyComplete = true; |
357 | } |
358 | |
359 | bool isForceVarCapturing() const { return ForceCapturing; } |
360 | void setForceVarCapturing(bool V) { ForceCapturing = V; } |
361 | |
362 | void setForceCaptureByReferenceInTargetExecutable(bool V) { |
363 | ForceCaptureByReferenceInTargetExecutable = V; |
364 | } |
365 | bool isForceCaptureByReferenceInTargetExecutable() const { |
366 | return ForceCaptureByReferenceInTargetExecutable; |
367 | } |
368 | |
369 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, |
370 | Scope *CurScope, SourceLocation Loc) { |
371 | assert(!IgnoredStackElements &&(static_cast<void> (0)) |
372 | "cannot change stack while ignoring elements")(static_cast<void> (0)); |
373 | if (Stack.empty() || |
374 | Stack.back().second != CurrentNonCapturingFunctionScope) |
375 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); |
376 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); |
377 | Stack.back().first.back().DefaultAttrLoc = Loc; |
378 | } |
379 | |
380 | void pop() { |
381 | assert(!IgnoredStackElements &&(static_cast<void> (0)) |
382 | "cannot change stack while ignoring elements")(static_cast<void> (0)); |
383 | assert(!Stack.back().first.empty() &&(static_cast<void> (0)) |
384 | "Data-sharing attributes stack is empty!")(static_cast<void> (0)); |
385 | Stack.back().first.pop_back(); |
386 | } |
387 | |
388 | /// RAII object to temporarily leave the scope of a directive when we want to |
389 | /// logically operate in its parent. |
390 | class ParentDirectiveScope { |
391 | DSAStackTy &Self; |
392 | bool Active; |
393 | public: |
394 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) |
395 | : Self(Self), Active(false) { |
396 | if (Activate) |
397 | enable(); |
398 | } |
399 | ~ParentDirectiveScope() { disable(); } |
400 | void disable() { |
401 | if (Active) { |
402 | --Self.IgnoredStackElements; |
403 | Active = false; |
404 | } |
405 | } |
406 | void enable() { |
407 | if (!Active) { |
408 | ++Self.IgnoredStackElements; |
409 | Active = true; |
410 | } |
411 | } |
412 | }; |
413 | |
414 | /// Marks that we're started loop parsing. |
415 | void loopInit() { |
416 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&(static_cast<void> (0)) |
417 | "Expected loop-based directive.")(static_cast<void> (0)); |
418 | getTopOfStack().LoopStart = true; |
419 | } |
420 | /// Start capturing of the variables in the loop context. |
421 | void loopStart() { |
422 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&(static_cast<void> (0)) |
423 | "Expected loop-based directive.")(static_cast<void> (0)); |
424 | getTopOfStack().LoopStart = false; |
425 | } |
426 | /// true, if variables are captured, false otherwise. |
427 | bool isLoopStarted() const { |
428 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&(static_cast<void> (0)) |
429 | "Expected loop-based directive.")(static_cast<void> (0)); |
430 | return !getTopOfStack().LoopStart; |
431 | } |
432 | /// Marks (or clears) declaration as possibly loop counter. |
433 | void resetPossibleLoopCounter(const Decl *D = nullptr) { |
434 | getTopOfStack().PossiblyLoopCounter = |
435 | D ? D->getCanonicalDecl() : D; |
436 | } |
437 | /// Gets the possible loop counter decl. |
438 | const Decl *getPossiblyLoopCunter() const { |
439 | return getTopOfStack().PossiblyLoopCounter; |
440 | } |
441 | /// Start new OpenMP region stack in new non-capturing function. |
442 | void pushFunction() { |
443 | assert(!IgnoredStackElements &&(static_cast<void> (0)) |
444 | "cannot change stack while ignoring elements")(static_cast<void> (0)); |
445 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); |
446 | assert(!isa<CapturingScopeInfo>(CurFnScope))(static_cast<void> (0)); |
447 | CurrentNonCapturingFunctionScope = CurFnScope; |
448 | } |
449 | /// Pop region stack for non-capturing function. |
450 | void popFunction(const FunctionScopeInfo *OldFSI) { |
451 | assert(!IgnoredStackElements &&(static_cast<void> (0)) |
452 | "cannot change stack while ignoring elements")(static_cast<void> (0)); |
453 | if (!Stack.empty() && Stack.back().second == OldFSI) { |
454 | assert(Stack.back().first.empty())(static_cast<void> (0)); |
455 | Stack.pop_back(); |
456 | } |
457 | CurrentNonCapturingFunctionScope = nullptr; |
458 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { |
459 | if (!isa<CapturingScopeInfo>(FSI)) { |
460 | CurrentNonCapturingFunctionScope = FSI; |
461 | break; |
462 | } |
463 | } |
464 | } |
465 | |
466 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { |
467 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); |
468 | } |
469 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> |
470 | getCriticalWithHint(const DeclarationNameInfo &Name) const { |
471 | auto I = Criticals.find(Name.getAsString()); |
472 | if (I != Criticals.end()) |
473 | return I->second; |
474 | return std::make_pair(nullptr, llvm::APSInt()); |
475 | } |
476 | /// If 'aligned' declaration for given variable \a D was not seen yet, |
477 | /// add it and return NULL; otherwise return previous occurrence's expression |
478 | /// for diagnostics. |
479 | const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); |
480 | /// If 'nontemporal' declaration for given variable \a D was not seen yet, |
481 | /// add it and return NULL; otherwise return previous occurrence's expression |
482 | /// for diagnostics. |
483 | const Expr *addUniqueNontemporal(const ValueDecl *D, const Expr *NewDE); |
484 | |
485 | /// Register specified variable as loop control variable. |
486 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); |
487 | /// Check if the specified variable is a loop control variable for |
488 | /// current region. |
489 | /// \return The index of the loop control variable in the list of associated |
490 | /// for-loops (from outer to inner). |
491 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; |
492 | /// Check if the specified variable is a loop control variable for |
493 | /// parent region. |
494 | /// \return The index of the loop control variable in the list of associated |
495 | /// for-loops (from outer to inner). |
496 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; |
497 | /// Check if the specified variable is a loop control variable for |
498 | /// current region. |
499 | /// \return The index of the loop control variable in the list of associated |
500 | /// for-loops (from outer to inner). |
501 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D, |
502 | unsigned Level) const; |
503 | /// Get the loop control variable for the I-th loop (or nullptr) in |
504 | /// parent directive. |
505 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; |
506 | |
507 | /// Marks the specified decl \p D as used in scan directive. |
508 | void markDeclAsUsedInScanDirective(ValueDecl *D) { |
509 | if (SharingMapTy *Stack = getSecondOnStackOrNull()) |
510 | Stack->UsedInScanDirective.insert(D); |
511 | } |
512 | |
513 | /// Checks if the specified declaration was used in the inner scan directive. |
514 | bool isUsedInScanDirective(ValueDecl *D) const { |
515 | if (const SharingMapTy *Stack = getTopOfStackOrNull()) |
516 | return Stack->UsedInScanDirective.count(D) > 0; |
517 | return false; |
518 | } |
519 | |
520 | /// Adds explicit data sharing attribute to the specified declaration. |
521 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, |
522 | DeclRefExpr *PrivateCopy = nullptr, unsigned Modifier = 0, |
523 | bool AppliedToPointee = false); |
524 | |
525 | /// Adds additional information for the reduction items with the reduction id |
526 | /// represented as an operator. |
527 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
528 | BinaryOperatorKind BOK); |
529 | /// Adds additional information for the reduction items with the reduction id |
530 | /// represented as reduction identifier. |
531 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
532 | const Expr *ReductionRef); |
533 | /// Returns the location and reduction operation from the innermost parent |
534 | /// region for the given \p D. |
535 | const DSAVarData |
536 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, |
537 | BinaryOperatorKind &BOK, |
538 | Expr *&TaskgroupDescriptor) const; |
539 | /// Returns the location and reduction operation from the innermost parent |
540 | /// region for the given \p D. |
541 | const DSAVarData |
542 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, |
543 | const Expr *&ReductionRef, |
544 | Expr *&TaskgroupDescriptor) const; |
545 | /// Return reduction reference expression for the current taskgroup or |
546 | /// parallel/worksharing directives with task reductions. |
547 | Expr *getTaskgroupReductionRef() const { |
548 | assert((getTopOfStack().Directive == OMPD_taskgroup ||(static_cast<void> (0)) |
549 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||(static_cast<void> (0)) |
550 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&(static_cast<void> (0)) |
551 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&(static_cast<void> (0)) |
552 | "taskgroup reference expression requested for non taskgroup or "(static_cast<void> (0)) |
553 | "parallel/worksharing directive.")(static_cast<void> (0)); |
554 | return getTopOfStack().TaskgroupReductionRef; |
555 | } |
556 | /// Checks if the given \p VD declaration is actually a taskgroup reduction |
557 | /// descriptor variable at the \p Level of OpenMP regions. |
558 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { |
559 | return getStackElemAtLevel(Level).TaskgroupReductionRef && |
560 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) |
561 | ->getDecl() == VD; |
562 | } |
563 | |
564 | /// Returns data sharing attributes from top of the stack for the |
565 | /// specified declaration. |
566 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); |
567 | /// Returns data-sharing attributes for the specified declaration. |
568 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; |
569 | /// Returns data-sharing attributes for the specified declaration. |
570 | const DSAVarData getImplicitDSA(ValueDecl *D, unsigned Level) const; |
571 | /// Checks if the specified variables has data-sharing attributes which |
572 | /// match specified \a CPred predicate in any directive which matches \a DPred |
573 | /// predicate. |
574 | const DSAVarData |
575 | hasDSA(ValueDecl *D, |
576 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
577 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
578 | bool FromParent) const; |
579 | /// Checks if the specified variables has data-sharing attributes which |
580 | /// match specified \a CPred predicate in any innermost directive which |
581 | /// matches \a DPred predicate. |
582 | const DSAVarData |
583 | hasInnermostDSA(ValueDecl *D, |
584 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
585 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
586 | bool FromParent) const; |
587 | /// Checks if the specified variables has explicit data-sharing |
588 | /// attributes which match specified \a CPred predicate at the specified |
589 | /// OpenMP region. |
590 | bool |
591 | hasExplicitDSA(const ValueDecl *D, |
592 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
593 | unsigned Level, bool NotLastprivate = false) const; |
594 | |
595 | /// Returns true if the directive at level \Level matches in the |
596 | /// specified \a DPred predicate. |
597 | bool hasExplicitDirective( |
598 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
599 | unsigned Level) const; |
600 | |
601 | /// Finds a directive which matches specified \a DPred predicate. |
602 | bool hasDirective( |
603 | const llvm::function_ref<bool( |
604 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> |
605 | DPred, |
606 | bool FromParent) const; |
607 | |
608 | /// Returns currently analyzed directive. |
609 | OpenMPDirectiveKind getCurrentDirective() const { |
610 | const SharingMapTy *Top = getTopOfStackOrNull(); |
611 | return Top ? Top->Directive : OMPD_unknown; |
612 | } |
613 | /// Returns directive kind at specified level. |
614 | OpenMPDirectiveKind getDirective(unsigned Level) const { |
615 | assert(!isStackEmpty() && "No directive at specified level.")(static_cast<void> (0)); |
616 | return getStackElemAtLevel(Level).Directive; |
617 | } |
618 | /// Returns the capture region at the specified level. |
619 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, |
620 | unsigned OpenMPCaptureLevel) const { |
621 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
622 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); |
623 | return CaptureRegions[OpenMPCaptureLevel]; |
624 | } |
625 | /// Returns parent directive. |
626 | OpenMPDirectiveKind getParentDirective() const { |
627 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
628 | return Parent ? Parent->Directive : OMPD_unknown; |
629 | } |
630 | |
631 | /// Add requires decl to internal vector |
632 | void addRequiresDecl(OMPRequiresDecl *RD) { |
633 | RequiresDecls.push_back(RD); |
634 | } |
635 | |
636 | /// Checks if the defined 'requires' directive has specified type of clause. |
637 | template <typename ClauseType> |
638 | bool hasRequiresDeclWithClause() const { |
639 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { |
640 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { |
641 | return isa<ClauseType>(C); |
642 | }); |
643 | }); |
644 | } |
645 | |
646 | /// Checks for a duplicate clause amongst previously declared requires |
647 | /// directives |
648 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { |
649 | bool IsDuplicate = false; |
650 | for (OMPClause *CNew : ClauseList) { |
651 | for (const OMPRequiresDecl *D : RequiresDecls) { |
652 | for (const OMPClause *CPrev : D->clauselists()) { |
653 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { |
654 | SemaRef.Diag(CNew->getBeginLoc(), |
655 | diag::err_omp_requires_clause_redeclaration) |
656 | << getOpenMPClauseName(CNew->getClauseKind()); |
657 | SemaRef.Diag(CPrev->getBeginLoc(), |
658 | diag::note_omp_requires_previous_clause) |
659 | << getOpenMPClauseName(CPrev->getClauseKind()); |
660 | IsDuplicate = true; |
661 | } |
662 | } |
663 | } |
664 | } |
665 | return IsDuplicate; |
666 | } |
667 | |
668 | /// Add location of previously encountered target to internal vector |
669 | void addTargetDirLocation(SourceLocation LocStart) { |
670 | TargetLocations.push_back(LocStart); |
671 | } |
672 | |
673 | /// Add location for the first encountered atomicc directive. |
674 | void addAtomicDirectiveLoc(SourceLocation Loc) { |
675 | if (AtomicLocation.isInvalid()) |
676 | AtomicLocation = Loc; |
677 | } |
678 | |
679 | /// Returns the location of the first encountered atomic directive in the |
680 | /// module. |
681 | SourceLocation getAtomicDirectiveLoc() const { |
682 | return AtomicLocation; |
683 | } |
684 | |
685 | // Return previously encountered target region locations. |
686 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { |
687 | return TargetLocations; |
688 | } |
689 | |
690 | /// Set default data sharing attribute to none. |
691 | void setDefaultDSANone(SourceLocation Loc) { |
692 | getTopOfStack().DefaultAttr = DSA_none; |
693 | getTopOfStack().DefaultAttrLoc = Loc; |
694 | } |
695 | /// Set default data sharing attribute to shared. |
696 | void setDefaultDSAShared(SourceLocation Loc) { |
697 | getTopOfStack().DefaultAttr = DSA_shared; |
698 | getTopOfStack().DefaultAttrLoc = Loc; |
699 | } |
700 | /// Set default data sharing attribute to firstprivate. |
701 | void setDefaultDSAFirstPrivate(SourceLocation Loc) { |
702 | getTopOfStack().DefaultAttr = DSA_firstprivate; |
703 | getTopOfStack().DefaultAttrLoc = Loc; |
704 | } |
705 | /// Set default data mapping attribute to Modifier:Kind |
706 | void setDefaultDMAAttr(OpenMPDefaultmapClauseModifier M, |
707 | OpenMPDefaultmapClauseKind Kind, |
708 | SourceLocation Loc) { |
709 | DefaultmapInfo &DMI = getTopOfStack().DefaultmapMap[Kind]; |
710 | DMI.ImplicitBehavior = M; |
711 | DMI.SLoc = Loc; |
712 | } |
713 | /// Check whether the implicit-behavior has been set in defaultmap |
714 | bool checkDefaultmapCategory(OpenMPDefaultmapClauseKind VariableCategory) { |
715 | if (VariableCategory == OMPC_DEFAULTMAP_unknown) |
716 | return getTopOfStack() |
717 | .DefaultmapMap[OMPC_DEFAULTMAP_aggregate] |
718 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || |
719 | getTopOfStack() |
720 | .DefaultmapMap[OMPC_DEFAULTMAP_scalar] |
721 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || |
722 | getTopOfStack() |
723 | .DefaultmapMap[OMPC_DEFAULTMAP_pointer] |
724 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown; |
725 | return getTopOfStack().DefaultmapMap[VariableCategory].ImplicitBehavior != |
726 | OMPC_DEFAULTMAP_MODIFIER_unknown; |
727 | } |
728 | |
729 | DefaultDataSharingAttributes getDefaultDSA(unsigned Level) const { |
730 | return getStackSize() <= Level ? DSA_unspecified |
731 | : getStackElemAtLevel(Level).DefaultAttr; |
732 | } |
733 | DefaultDataSharingAttributes getDefaultDSA() const { |
734 | return isStackEmpty() ? DSA_unspecified |
735 | : getTopOfStack().DefaultAttr; |
736 | } |
737 | SourceLocation getDefaultDSALocation() const { |
738 | return isStackEmpty() ? SourceLocation() |
739 | : getTopOfStack().DefaultAttrLoc; |
740 | } |
741 | OpenMPDefaultmapClauseModifier |
742 | getDefaultmapModifier(OpenMPDefaultmapClauseKind Kind) const { |
743 | return isStackEmpty() |
744 | ? OMPC_DEFAULTMAP_MODIFIER_unknown |
745 | : getTopOfStack().DefaultmapMap[Kind].ImplicitBehavior; |
746 | } |
747 | OpenMPDefaultmapClauseModifier |
748 | getDefaultmapModifierAtLevel(unsigned Level, |
749 | OpenMPDefaultmapClauseKind Kind) const { |
750 | return getStackElemAtLevel(Level).DefaultmapMap[Kind].ImplicitBehavior; |
751 | } |
752 | bool isDefaultmapCapturedByRef(unsigned Level, |
753 | OpenMPDefaultmapClauseKind Kind) const { |
754 | OpenMPDefaultmapClauseModifier M = |
755 | getDefaultmapModifierAtLevel(Level, Kind); |
756 | if (Kind == OMPC_DEFAULTMAP_scalar || Kind == OMPC_DEFAULTMAP_pointer) { |
757 | return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) || |
758 | (M == OMPC_DEFAULTMAP_MODIFIER_to) || |
759 | (M == OMPC_DEFAULTMAP_MODIFIER_from) || |
760 | (M == OMPC_DEFAULTMAP_MODIFIER_tofrom); |
761 | } |
762 | return true; |
763 | } |
764 | static bool mustBeFirstprivateBase(OpenMPDefaultmapClauseModifier M, |
765 | OpenMPDefaultmapClauseKind Kind) { |
766 | switch (Kind) { |
767 | case OMPC_DEFAULTMAP_scalar: |
768 | case OMPC_DEFAULTMAP_pointer: |
769 | return (M == OMPC_DEFAULTMAP_MODIFIER_unknown) || |
770 | (M == OMPC_DEFAULTMAP_MODIFIER_firstprivate) || |
771 | (M == OMPC_DEFAULTMAP_MODIFIER_default); |
772 | case OMPC_DEFAULTMAP_aggregate: |
773 | return M == OMPC_DEFAULTMAP_MODIFIER_firstprivate; |
774 | default: |
775 | break; |
776 | } |
777 | llvm_unreachable("Unexpected OpenMPDefaultmapClauseKind enum")__builtin_unreachable(); |
778 | } |
779 | bool mustBeFirstprivateAtLevel(unsigned Level, |
780 | OpenMPDefaultmapClauseKind Kind) const { |
781 | OpenMPDefaultmapClauseModifier M = |
782 | getDefaultmapModifierAtLevel(Level, Kind); |
783 | return mustBeFirstprivateBase(M, Kind); |
784 | } |
785 | bool mustBeFirstprivate(OpenMPDefaultmapClauseKind Kind) const { |
786 | OpenMPDefaultmapClauseModifier M = getDefaultmapModifier(Kind); |
787 | return mustBeFirstprivateBase(M, Kind); |
788 | } |
789 | |
790 | /// Checks if the specified variable is a threadprivate. |
791 | bool isThreadPrivate(VarDecl *D) { |
792 | const DSAVarData DVar = getTopDSA(D, false); |
793 | return isOpenMPThreadPrivate(DVar.CKind); |
794 | } |
795 | |
796 | /// Marks current region as ordered (it has an 'ordered' clause). |
797 | void setOrderedRegion(bool IsOrdered, const Expr *Param, |
798 | OMPOrderedClause *Clause) { |
799 | if (IsOrdered) |
800 | getTopOfStack().OrderedRegion.emplace(Param, Clause); |
801 | else |
802 | getTopOfStack().OrderedRegion.reset(); |
803 | } |
804 | /// Returns true, if region is ordered (has associated 'ordered' clause), |
805 | /// false - otherwise. |
806 | bool isOrderedRegion() const { |
807 | if (const SharingMapTy *Top = getTopOfStackOrNull()) |
808 | return Top->OrderedRegion.hasValue(); |
809 | return false; |
810 | } |
811 | /// Returns optional parameter for the ordered region. |
812 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { |
813 | if (const SharingMapTy *Top = getTopOfStackOrNull()) |
814 | if (Top->OrderedRegion.hasValue()) |
815 | return Top->OrderedRegion.getValue(); |
816 | return std::make_pair(nullptr, nullptr); |
817 | } |
818 | /// Returns true, if parent region is ordered (has associated |
819 | /// 'ordered' clause), false - otherwise. |
820 | bool isParentOrderedRegion() const { |
821 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
822 | return Parent->OrderedRegion.hasValue(); |
823 | return false; |
824 | } |
825 | /// Returns optional parameter for the ordered region. |
826 | std::pair<const Expr *, OMPOrderedClause *> |
827 | getParentOrderedRegionParam() const { |
828 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
829 | if (Parent->OrderedRegion.hasValue()) |
830 | return Parent->OrderedRegion.getValue(); |
831 | return std::make_pair(nullptr, nullptr); |
832 | } |
833 | /// Marks current region as nowait (it has a 'nowait' clause). |
834 | void setNowaitRegion(bool IsNowait = true) { |
835 | getTopOfStack().NowaitRegion = IsNowait; |
836 | } |
837 | /// Returns true, if parent region is nowait (has associated |
838 | /// 'nowait' clause), false - otherwise. |
839 | bool isParentNowaitRegion() const { |
840 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) |
841 | return Parent->NowaitRegion; |
842 | return false; |
843 | } |
844 | /// Marks parent region as cancel region. |
845 | void setParentCancelRegion(bool Cancel = true) { |
846 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
847 | Parent->CancelRegion |= Cancel; |
848 | } |
849 | /// Return true if current region has inner cancel construct. |
850 | bool isCancelRegion() const { |
851 | const SharingMapTy *Top = getTopOfStackOrNull(); |
852 | return Top ? Top->CancelRegion : false; |
853 | } |
854 | |
855 | /// Mark that parent region already has scan directive. |
856 | void setParentHasScanDirective(SourceLocation Loc) { |
857 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
858 | Parent->PrevScanLocation = Loc; |
859 | } |
860 | /// Return true if current region has inner cancel construct. |
861 | bool doesParentHasScanDirective() const { |
862 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
863 | return Top ? Top->PrevScanLocation.isValid() : false; |
864 | } |
865 | /// Return true if current region has inner cancel construct. |
866 | SourceLocation getParentScanDirectiveLoc() const { |
867 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
868 | return Top ? Top->PrevScanLocation : SourceLocation(); |
869 | } |
870 | /// Mark that parent region already has ordered directive. |
871 | void setParentHasOrderedDirective(SourceLocation Loc) { |
872 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
873 | Parent->PrevOrderedLocation = Loc; |
874 | } |
875 | /// Return true if current region has inner ordered construct. |
876 | bool doesParentHasOrderedDirective() const { |
877 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
878 | return Top ? Top->PrevOrderedLocation.isValid() : false; |
879 | } |
880 | /// Returns the location of the previously specified ordered directive. |
881 | SourceLocation getParentOrderedDirectiveLoc() const { |
882 | const SharingMapTy *Top = getSecondOnStackOrNull(); |
883 | return Top ? Top->PrevOrderedLocation : SourceLocation(); |
884 | } |
885 | |
886 | /// Set collapse value for the region. |
887 | void setAssociatedLoops(unsigned Val) { |
888 | getTopOfStack().AssociatedLoops = Val; |
889 | if (Val > 1) |
890 | getTopOfStack().HasMutipleLoops = true; |
891 | } |
892 | /// Return collapse value for region. |
893 | unsigned getAssociatedLoops() const { |
894 | const SharingMapTy *Top = getTopOfStackOrNull(); |
895 | return Top ? Top->AssociatedLoops : 0; |
896 | } |
897 | /// Returns true if the construct is associated with multiple loops. |
898 | bool hasMutipleLoops() const { |
899 | const SharingMapTy *Top = getTopOfStackOrNull(); |
900 | return Top ? Top->HasMutipleLoops : false; |
901 | } |
902 | |
903 | /// Marks current target region as one with closely nested teams |
904 | /// region. |
905 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { |
906 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) |
907 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; |
908 | } |
909 | /// Returns true, if current region has closely nested teams region. |
910 | bool hasInnerTeamsRegion() const { |
911 | return getInnerTeamsRegionLoc().isValid(); |
912 | } |
913 | /// Returns location of the nested teams region (if any). |
914 | SourceLocation getInnerTeamsRegionLoc() const { |
915 | const SharingMapTy *Top = getTopOfStackOrNull(); |
916 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); |
917 | } |
918 | |
919 | Scope *getCurScope() const { |
920 | const SharingMapTy *Top = getTopOfStackOrNull(); |
921 | return Top ? Top->CurScope : nullptr; |
922 | } |
923 | void setContext(DeclContext *DC) { getTopOfStack().Context = DC; } |
924 | SourceLocation getConstructLoc() const { |
925 | const SharingMapTy *Top = getTopOfStackOrNull(); |
926 | return Top ? Top->ConstructLoc : SourceLocation(); |
927 | } |
928 | |
929 | /// Do the check specified in \a Check to all component lists and return true |
930 | /// if any issue is found. |
931 | bool checkMappableExprComponentListsForDecl( |
932 | const ValueDecl *VD, bool CurrentRegionOnly, |
933 | const llvm::function_ref< |
934 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, |
935 | OpenMPClauseKind)> |
936 | Check) const { |
937 | if (isStackEmpty()) |
938 | return false; |
939 | auto SI = begin(); |
940 | auto SE = end(); |
941 | |
942 | if (SI == SE) |
943 | return false; |
944 | |
945 | if (CurrentRegionOnly) |
946 | SE = std::next(SI); |
947 | else |
948 | std::advance(SI, 1); |
949 | |
950 | for (; SI != SE; ++SI) { |
951 | auto MI = SI->MappedExprComponents.find(VD); |
952 | if (MI != SI->MappedExprComponents.end()) |
953 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : |
954 | MI->second.Components) |
955 | if (Check(L, MI->second.Kind)) |
956 | return true; |
957 | } |
958 | return false; |
959 | } |
960 | |
961 | /// Do the check specified in \a Check to all component lists at a given level |
962 | /// and return true if any issue is found. |
963 | bool checkMappableExprComponentListsForDeclAtLevel( |
964 | const ValueDecl *VD, unsigned Level, |
965 | const llvm::function_ref< |
966 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, |
967 | OpenMPClauseKind)> |
968 | Check) const { |
969 | if (getStackSize() <= Level) |
970 | return false; |
971 | |
972 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
973 | auto MI = StackElem.MappedExprComponents.find(VD); |
974 | if (MI != StackElem.MappedExprComponents.end()) |
975 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : |
976 | MI->second.Components) |
977 | if (Check(L, MI->second.Kind)) |
978 | return true; |
979 | return false; |
980 | } |
981 | |
982 | /// Create a new mappable expression component list associated with a given |
983 | /// declaration and initialize it with the provided list of components. |
984 | void addMappableExpressionComponents( |
985 | const ValueDecl *VD, |
986 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, |
987 | OpenMPClauseKind WhereFoundClauseKind) { |
988 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; |
989 | // Create new entry and append the new components there. |
990 | MEC.Components.resize(MEC.Components.size() + 1); |
991 | MEC.Components.back().append(Components.begin(), Components.end()); |
992 | MEC.Kind = WhereFoundClauseKind; |
993 | } |
994 | |
995 | unsigned getNestingLevel() const { |
996 | assert(!isStackEmpty())(static_cast<void> (0)); |
997 | return getStackSize() - 1; |
998 | } |
999 | void addDoacrossDependClause(OMPDependClause *C, |
1000 | const OperatorOffsetTy &OpsOffs) { |
1001 | SharingMapTy *Parent = getSecondOnStackOrNull(); |
1002 | assert(Parent && isOpenMPWorksharingDirective(Parent->Directive))(static_cast<void> (0)); |
1003 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); |
1004 | } |
1005 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> |
1006 | getDoacrossDependClauses() const { |
1007 | const SharingMapTy &StackElem = getTopOfStack(); |
1008 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { |
1009 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; |
1010 | return llvm::make_range(Ref.begin(), Ref.end()); |
1011 | } |
1012 | return llvm::make_range(StackElem.DoacrossDepends.end(), |
1013 | StackElem.DoacrossDepends.end()); |
1014 | } |
1015 | |
1016 | // Store types of classes which have been explicitly mapped |
1017 | void addMappedClassesQualTypes(QualType QT) { |
1018 | SharingMapTy &StackElem = getTopOfStack(); |
1019 | StackElem.MappedClassesQualTypes.insert(QT); |
1020 | } |
1021 | |
1022 | // Return set of mapped classes types |
1023 | bool isClassPreviouslyMapped(QualType QT) const { |
1024 | const SharingMapTy &StackElem = getTopOfStack(); |
1025 | return StackElem.MappedClassesQualTypes.count(QT) != 0; |
1026 | } |
1027 | |
1028 | /// Adds global declare target to the parent target region. |
1029 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { |
1030 | assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration((static_cast<void> (0)) |
1031 | E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link &&(static_cast<void> (0)) |
1032 | "Expected declare target link global.")(static_cast<void> (0)); |
1033 | for (auto &Elem : *this) { |
1034 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { |
1035 | Elem.DeclareTargetLinkVarDecls.push_back(E); |
1036 | return; |
1037 | } |
1038 | } |
1039 | } |
1040 | |
1041 | /// Returns the list of globals with declare target link if current directive |
1042 | /// is target. |
1043 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { |
1044 | assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) &&(static_cast<void> (0)) |
1045 | "Expected target executable directive.")(static_cast<void> (0)); |
1046 | return getTopOfStack().DeclareTargetLinkVarDecls; |
1047 | } |
1048 | |
1049 | /// Adds list of allocators expressions. |
1050 | void addInnerAllocatorExpr(Expr *E) { |
1051 | getTopOfStack().InnerUsedAllocators.push_back(E); |
1052 | } |
1053 | /// Return list of used allocators. |
1054 | ArrayRef<Expr *> getInnerAllocators() const { |
1055 | return getTopOfStack().InnerUsedAllocators; |
1056 | } |
1057 | /// Marks the declaration as implicitly firstprivate nin the task-based |
1058 | /// regions. |
1059 | void addImplicitTaskFirstprivate(unsigned Level, Decl *D) { |
1060 | getStackElemAtLevel(Level).ImplicitTaskFirstprivates.insert(D); |
1061 | } |
1062 | /// Checks if the decl is implicitly firstprivate in the task-based region. |
1063 | bool isImplicitTaskFirstprivate(Decl *D) const { |
1064 | return getTopOfStack().ImplicitTaskFirstprivates.count(D) > 0; |
1065 | } |
1066 | |
1067 | /// Marks decl as used in uses_allocators clause as the allocator. |
1068 | void addUsesAllocatorsDecl(const Decl *D, UsesAllocatorsDeclKind Kind) { |
1069 | getTopOfStack().UsesAllocatorsDecls.try_emplace(D, Kind); |
1070 | } |
1071 | /// Checks if specified decl is used in uses allocator clause as the |
1072 | /// allocator. |
1073 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(unsigned Level, |
1074 | const Decl *D) const { |
1075 | const SharingMapTy &StackElem = getTopOfStack(); |
1076 | auto I = StackElem.UsesAllocatorsDecls.find(D); |
1077 | if (I == StackElem.UsesAllocatorsDecls.end()) |
1078 | return None; |
1079 | return I->getSecond(); |
1080 | } |
1081 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(const Decl *D) const { |
1082 | const SharingMapTy &StackElem = getTopOfStack(); |
1083 | auto I = StackElem.UsesAllocatorsDecls.find(D); |
1084 | if (I == StackElem.UsesAllocatorsDecls.end()) |
1085 | return None; |
1086 | return I->getSecond(); |
1087 | } |
1088 | |
1089 | void addDeclareMapperVarRef(Expr *Ref) { |
1090 | SharingMapTy &StackElem = getTopOfStack(); |
1091 | StackElem.DeclareMapperVar = Ref; |
1092 | } |
1093 | const Expr *getDeclareMapperVarRef() const { |
1094 | const SharingMapTy *Top = getTopOfStackOrNull(); |
1095 | return Top ? Top->DeclareMapperVar : nullptr; |
1096 | } |
1097 | }; |
1098 | |
1099 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { |
1100 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); |
1101 | } |
1102 | |
1103 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { |
1104 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || |
1105 | DKind == OMPD_unknown; |
1106 | } |
1107 | |
1108 | } // namespace |
1109 | |
1110 | static const Expr *getExprAsWritten(const Expr *E) { |
1111 | if (const auto *FE = dyn_cast<FullExpr>(E)) |
1112 | E = FE->getSubExpr(); |
1113 | |
1114 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) |
1115 | E = MTE->getSubExpr(); |
1116 | |
1117 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) |
1118 | E = Binder->getSubExpr(); |
1119 | |
1120 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) |
1121 | E = ICE->getSubExprAsWritten(); |
1122 | return E->IgnoreParens(); |
1123 | } |
1124 | |
1125 | static Expr *getExprAsWritten(Expr *E) { |
1126 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); |
1127 | } |
1128 | |
1129 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { |
1130 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) |
1131 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
1132 | D = ME->getMemberDecl(); |
1133 | const auto *VD = dyn_cast<VarDecl>(D); |
1134 | const auto *FD = dyn_cast<FieldDecl>(D); |
1135 | if (VD != nullptr) { |
1136 | VD = VD->getCanonicalDecl(); |
1137 | D = VD; |
1138 | } else { |
1139 | assert(FD)(static_cast<void> (0)); |
1140 | FD = FD->getCanonicalDecl(); |
1141 | D = FD; |
1142 | } |
1143 | return D; |
1144 | } |
1145 | |
1146 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { |
1147 | return const_cast<ValueDecl *>( |
1148 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); |
1149 | } |
1150 | |
1151 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, |
1152 | ValueDecl *D) const { |
1153 | D = getCanonicalDecl(D); |
1154 | auto *VD = dyn_cast<VarDecl>(D); |
1155 | const auto *FD = dyn_cast<FieldDecl>(D); |
1156 | DSAVarData DVar; |
1157 | if (Iter == end()) { |
1158 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1159 | // in a region but not in construct] |
1160 | // File-scope or namespace-scope variables referenced in called routines |
1161 | // in the region are shared unless they appear in a threadprivate |
1162 | // directive. |
1163 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) |
1164 | DVar.CKind = OMPC_shared; |
1165 | |
1166 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced |
1167 | // in a region but not in construct] |
1168 | // Variables with static storage duration that are declared in called |
1169 | // routines in the region are shared. |
1170 | if (VD && VD->hasGlobalStorage()) |
1171 | DVar.CKind = OMPC_shared; |
1172 | |
1173 | // Non-static data members are shared by default. |
1174 | if (FD) |
1175 | DVar.CKind = OMPC_shared; |
1176 | |
1177 | return DVar; |
1178 | } |
1179 | |
1180 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1181 | // in a Construct, C/C++, predetermined, p.1] |
1182 | // Variables with automatic storage duration that are declared in a scope |
1183 | // inside the construct are private. |
1184 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && |
1185 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { |
1186 | DVar.CKind = OMPC_private; |
1187 | return DVar; |
1188 | } |
1189 | |
1190 | DVar.DKind = Iter->Directive; |
1191 | // Explicitly specified attributes and local variables with predetermined |
1192 | // attributes. |
1193 | if (Iter->SharingMap.count(D)) { |
1194 | const DSAInfo &Data = Iter->SharingMap.lookup(D); |
1195 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1196 | DVar.PrivateCopy = Data.PrivateCopy; |
1197 | DVar.CKind = Data.Attributes; |
1198 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1199 | DVar.Modifier = Data.Modifier; |
1200 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1201 | return DVar; |
1202 | } |
1203 | |
1204 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1205 | // in a Construct, C/C++, implicitly determined, p.1] |
1206 | // In a parallel or task construct, the data-sharing attributes of these |
1207 | // variables are determined by the default clause, if present. |
1208 | switch (Iter->DefaultAttr) { |
1209 | case DSA_shared: |
1210 | DVar.CKind = OMPC_shared; |
1211 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1212 | return DVar; |
1213 | case DSA_none: |
1214 | return DVar; |
1215 | case DSA_firstprivate: |
1216 | if (VD->getStorageDuration() == SD_Static && |
1217 | VD->getDeclContext()->isFileContext()) { |
1218 | DVar.CKind = OMPC_unknown; |
1219 | } else { |
1220 | DVar.CKind = OMPC_firstprivate; |
1221 | } |
1222 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1223 | return DVar; |
1224 | case DSA_unspecified: |
1225 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1226 | // in a Construct, implicitly determined, p.2] |
1227 | // In a parallel construct, if no default clause is present, these |
1228 | // variables are shared. |
1229 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; |
1230 | if ((isOpenMPParallelDirective(DVar.DKind) && |
1231 | !isOpenMPTaskLoopDirective(DVar.DKind)) || |
1232 | isOpenMPTeamsDirective(DVar.DKind)) { |
1233 | DVar.CKind = OMPC_shared; |
1234 | return DVar; |
1235 | } |
1236 | |
1237 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1238 | // in a Construct, implicitly determined, p.4] |
1239 | // In a task construct, if no default clause is present, a variable that in |
1240 | // the enclosing context is determined to be shared by all implicit tasks |
1241 | // bound to the current team is shared. |
1242 | if (isOpenMPTaskingDirective(DVar.DKind)) { |
1243 | DSAVarData DVarTemp; |
1244 | const_iterator I = Iter, E = end(); |
1245 | do { |
1246 | ++I; |
1247 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables |
1248 | // Referenced in a Construct, implicitly determined, p.6] |
1249 | // In a task construct, if no default clause is present, a variable |
1250 | // whose data-sharing attribute is not determined by the rules above is |
1251 | // firstprivate. |
1252 | DVarTemp = getDSA(I, D); |
1253 | if (DVarTemp.CKind != OMPC_shared) { |
1254 | DVar.RefExpr = nullptr; |
1255 | DVar.CKind = OMPC_firstprivate; |
1256 | return DVar; |
1257 | } |
1258 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); |
1259 | DVar.CKind = |
1260 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; |
1261 | return DVar; |
1262 | } |
1263 | } |
1264 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1265 | // in a Construct, implicitly determined, p.3] |
1266 | // For constructs other than task, if no default clause is present, these |
1267 | // variables inherit their data-sharing attributes from the enclosing |
1268 | // context. |
1269 | return getDSA(++Iter, D); |
1270 | } |
1271 | |
1272 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, |
1273 | const Expr *NewDE) { |
1274 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")(static_cast<void> (0)); |
1275 | D = getCanonicalDecl(D); |
1276 | SharingMapTy &StackElem = getTopOfStack(); |
1277 | auto It = StackElem.AlignedMap.find(D); |
1278 | if (It == StackElem.AlignedMap.end()) { |
1279 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")(static_cast<void> (0)); |
1280 | StackElem.AlignedMap[D] = NewDE; |
1281 | return nullptr; |
1282 | } |
1283 | assert(It->second && "Unexpected nullptr expr in the aligned map")(static_cast<void> (0)); |
1284 | return It->second; |
1285 | } |
1286 | |
1287 | const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D, |
1288 | const Expr *NewDE) { |
1289 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")(static_cast<void> (0)); |
1290 | D = getCanonicalDecl(D); |
1291 | SharingMapTy &StackElem = getTopOfStack(); |
1292 | auto It = StackElem.NontemporalMap.find(D); |
1293 | if (It == StackElem.NontemporalMap.end()) { |
1294 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")(static_cast<void> (0)); |
1295 | StackElem.NontemporalMap[D] = NewDE; |
1296 | return nullptr; |
1297 | } |
1298 | assert(It->second && "Unexpected nullptr expr in the aligned map")(static_cast<void> (0)); |
1299 | return It->second; |
1300 | } |
1301 | |
1302 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { |
1303 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast<void> (0)); |
1304 | D = getCanonicalDecl(D); |
1305 | SharingMapTy &StackElem = getTopOfStack(); |
1306 | StackElem.LCVMap.try_emplace( |
1307 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); |
1308 | } |
1309 | |
1310 | const DSAStackTy::LCDeclInfo |
1311 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { |
1312 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast<void> (0)); |
1313 | D = getCanonicalDecl(D); |
1314 | const SharingMapTy &StackElem = getTopOfStack(); |
1315 | auto It = StackElem.LCVMap.find(D); |
1316 | if (It != StackElem.LCVMap.end()) |
1317 | return It->second; |
1318 | return {0, nullptr}; |
1319 | } |
1320 | |
1321 | const DSAStackTy::LCDeclInfo |
1322 | DSAStackTy::isLoopControlVariable(const ValueDecl *D, unsigned Level) const { |
1323 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast<void> (0)); |
1324 | D = getCanonicalDecl(D); |
1325 | for (unsigned I = Level + 1; I > 0; --I) { |
1326 | const SharingMapTy &StackElem = getStackElemAtLevel(I - 1); |
1327 | auto It = StackElem.LCVMap.find(D); |
1328 | if (It != StackElem.LCVMap.end()) |
1329 | return It->second; |
1330 | } |
1331 | return {0, nullptr}; |
1332 | } |
1333 | |
1334 | const DSAStackTy::LCDeclInfo |
1335 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { |
1336 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
1337 | assert(Parent && "Data-sharing attributes stack is empty")(static_cast<void> (0)); |
1338 | D = getCanonicalDecl(D); |
1339 | auto It = Parent->LCVMap.find(D); |
1340 | if (It != Parent->LCVMap.end()) |
1341 | return It->second; |
1342 | return {0, nullptr}; |
1343 | } |
1344 | |
1345 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { |
1346 | const SharingMapTy *Parent = getSecondOnStackOrNull(); |
1347 | assert(Parent && "Data-sharing attributes stack is empty")(static_cast<void> (0)); |
1348 | if (Parent->LCVMap.size() < I) |
1349 | return nullptr; |
1350 | for (const auto &Pair : Parent->LCVMap) |
1351 | if (Pair.second.first == I) |
1352 | return Pair.first; |
1353 | return nullptr; |
1354 | } |
1355 | |
1356 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, |
1357 | DeclRefExpr *PrivateCopy, unsigned Modifier, |
1358 | bool AppliedToPointee) { |
1359 | D = getCanonicalDecl(D); |
1360 | if (A == OMPC_threadprivate) { |
1361 | DSAInfo &Data = Threadprivates[D]; |
1362 | Data.Attributes = A; |
1363 | Data.RefExpr.setPointer(E); |
1364 | Data.PrivateCopy = nullptr; |
1365 | Data.Modifier = Modifier; |
1366 | } else { |
1367 | DSAInfo &Data = getTopOfStack().SharingMap[D]; |
1368 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||(static_cast<void> (0)) |
1369 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||(static_cast<void> (0)) |
1370 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||(static_cast<void> (0)) |
1371 | (isLoopControlVariable(D).first && A == OMPC_private))(static_cast<void> (0)); |
1372 | Data.Modifier = Modifier; |
1373 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { |
1374 | Data.RefExpr.setInt(/*IntVal=*/true); |
1375 | return; |
1376 | } |
1377 | const bool IsLastprivate = |
1378 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; |
1379 | Data.Attributes = A; |
1380 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); |
1381 | Data.PrivateCopy = PrivateCopy; |
1382 | Data.AppliedToPointee = AppliedToPointee; |
1383 | if (PrivateCopy) { |
1384 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; |
1385 | Data.Modifier = Modifier; |
1386 | Data.Attributes = A; |
1387 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); |
1388 | Data.PrivateCopy = nullptr; |
1389 | Data.AppliedToPointee = AppliedToPointee; |
1390 | } |
1391 | } |
1392 | } |
1393 | |
1394 | /// Build a variable declaration for OpenMP loop iteration variable. |
1395 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, |
1396 | StringRef Name, const AttrVec *Attrs = nullptr, |
1397 | DeclRefExpr *OrigRef = nullptr) { |
1398 | DeclContext *DC = SemaRef.CurContext; |
1399 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); |
1400 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); |
1401 | auto *Decl = |
1402 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); |
1403 | if (Attrs) { |
1404 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); |
1405 | I != E; ++I) |
1406 | Decl->addAttr(*I); |
1407 | } |
1408 | Decl->setImplicit(); |
1409 | if (OrigRef) { |
1410 | Decl->addAttr( |
1411 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); |
1412 | } |
1413 | return Decl; |
1414 | } |
1415 | |
1416 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, |
1417 | SourceLocation Loc, |
1418 | bool RefersToCapture = false) { |
1419 | D->setReferenced(); |
1420 | D->markUsed(S.Context); |
1421 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), |
1422 | SourceLocation(), D, RefersToCapture, Loc, Ty, |
1423 | VK_LValue); |
1424 | } |
1425 | |
1426 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
1427 | BinaryOperatorKind BOK) { |
1428 | D = getCanonicalDecl(D); |
1429 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast<void> (0)); |
1430 | assert((static_cast<void> (0)) |
1431 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&(static_cast<void> (0)) |
1432 | "Additional reduction info may be specified only for reduction items.")(static_cast<void> (0)); |
1433 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; |
1434 | assert(ReductionData.ReductionRange.isInvalid() &&(static_cast<void> (0)) |
1435 | (getTopOfStack().Directive == OMPD_taskgroup ||(static_cast<void> (0)) |
1436 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||(static_cast<void> (0)) |
1437 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&(static_cast<void> (0)) |
1438 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&(static_cast<void> (0)) |
1439 | "Additional reduction info may be specified only once for reduction "(static_cast<void> (0)) |
1440 | "items.")(static_cast<void> (0)); |
1441 | ReductionData.set(BOK, SR); |
1442 | Expr *&TaskgroupReductionRef = |
1443 | getTopOfStack().TaskgroupReductionRef; |
1444 | if (!TaskgroupReductionRef) { |
1445 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), |
1446 | SemaRef.Context.VoidPtrTy, ".task_red."); |
1447 | TaskgroupReductionRef = |
1448 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); |
1449 | } |
1450 | } |
1451 | |
1452 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, |
1453 | const Expr *ReductionRef) { |
1454 | D = getCanonicalDecl(D); |
1455 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast<void> (0)); |
1456 | assert((static_cast<void> (0)) |
1457 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&(static_cast<void> (0)) |
1458 | "Additional reduction info may be specified only for reduction items.")(static_cast<void> (0)); |
1459 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; |
1460 | assert(ReductionData.ReductionRange.isInvalid() &&(static_cast<void> (0)) |
1461 | (getTopOfStack().Directive == OMPD_taskgroup ||(static_cast<void> (0)) |
1462 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||(static_cast<void> (0)) |
1463 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&(static_cast<void> (0)) |
1464 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&(static_cast<void> (0)) |
1465 | "Additional reduction info may be specified only once for reduction "(static_cast<void> (0)) |
1466 | "items.")(static_cast<void> (0)); |
1467 | ReductionData.set(ReductionRef, SR); |
1468 | Expr *&TaskgroupReductionRef = |
1469 | getTopOfStack().TaskgroupReductionRef; |
1470 | if (!TaskgroupReductionRef) { |
1471 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), |
1472 | SemaRef.Context.VoidPtrTy, ".task_red."); |
1473 | TaskgroupReductionRef = |
1474 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); |
1475 | } |
1476 | } |
1477 | |
1478 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( |
1479 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, |
1480 | Expr *&TaskgroupDescriptor) const { |
1481 | D = getCanonicalDecl(D); |
1482 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")(static_cast<void> (0)); |
1483 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { |
1484 | const DSAInfo &Data = I->SharingMap.lookup(D); |
1485 | if (Data.Attributes != OMPC_reduction || |
1486 | Data.Modifier != OMPC_REDUCTION_task) |
1487 | continue; |
1488 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); |
1489 | if (!ReductionData.ReductionOp || |
1490 | ReductionData.ReductionOp.is<const Expr *>()) |
1491 | return DSAVarData(); |
1492 | SR = ReductionData.ReductionRange; |
1493 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); |
1494 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "(static_cast<void> (0)) |
1495 | "expression for the descriptor is not "(static_cast<void> (0)) |
1496 | "set.")(static_cast<void> (0)); |
1497 | TaskgroupDescriptor = I->TaskgroupReductionRef; |
1498 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), |
1499 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, |
1500 | /*AppliedToPointee=*/false); |
1501 | } |
1502 | return DSAVarData(); |
1503 | } |
1504 | |
1505 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( |
1506 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, |
1507 | Expr *&TaskgroupDescriptor) const { |
1508 | D = getCanonicalDecl(D); |
1509 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")(static_cast<void> (0)); |
1510 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { |
1511 | const DSAInfo &Data = I->SharingMap.lookup(D); |
1512 | if (Data.Attributes != OMPC_reduction || |
1513 | Data.Modifier != OMPC_REDUCTION_task) |
1514 | continue; |
1515 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); |
1516 | if (!ReductionData.ReductionOp || |
1517 | !ReductionData.ReductionOp.is<const Expr *>()) |
1518 | return DSAVarData(); |
1519 | SR = ReductionData.ReductionRange; |
1520 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); |
1521 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "(static_cast<void> (0)) |
1522 | "expression for the descriptor is not "(static_cast<void> (0)) |
1523 | "set.")(static_cast<void> (0)); |
1524 | TaskgroupDescriptor = I->TaskgroupReductionRef; |
1525 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), |
1526 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, |
1527 | /*AppliedToPointee=*/false); |
1528 | } |
1529 | return DSAVarData(); |
1530 | } |
1531 | |
1532 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { |
1533 | D = D->getCanonicalDecl(); |
1534 | for (const_iterator E = end(); I != E; ++I) { |
1535 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || |
1536 | isOpenMPTargetExecutionDirective(I->Directive)) { |
1537 | if (I->CurScope) { |
1538 | Scope *TopScope = I->CurScope->getParent(); |
1539 | Scope *CurScope = getCurScope(); |
1540 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) |
1541 | CurScope = CurScope->getParent(); |
1542 | return CurScope != TopScope; |
1543 | } |
1544 | for (DeclContext *DC = D->getDeclContext(); DC; DC = DC->getParent()) |
1545 | if (I->Context == DC) |
1546 | return true; |
1547 | return false; |
1548 | } |
1549 | } |
1550 | return false; |
1551 | } |
1552 | |
1553 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, |
1554 | bool AcceptIfMutable = true, |
1555 | bool *IsClassType = nullptr) { |
1556 | ASTContext &Context = SemaRef.getASTContext(); |
1557 | Type = Type.getNonReferenceType().getCanonicalType(); |
1558 | bool IsConstant = Type.isConstant(Context); |
1559 | Type = Context.getBaseElementType(Type); |
1560 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus |
1561 | ? Type->getAsCXXRecordDecl() |
1562 | : nullptr; |
1563 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) |
1564 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) |
1565 | RD = CTD->getTemplatedDecl(); |
1566 | if (IsClassType) |
1567 | *IsClassType = RD; |
1568 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && |
1569 | RD->hasDefinition() && RD->hasMutableFields()); |
1570 | } |
1571 | |
1572 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, |
1573 | QualType Type, OpenMPClauseKind CKind, |
1574 | SourceLocation ELoc, |
1575 | bool AcceptIfMutable = true, |
1576 | bool ListItemNotVar = false) { |
1577 | ASTContext &Context = SemaRef.getASTContext(); |
1578 | bool IsClassType; |
1579 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { |
1580 | unsigned Diag = ListItemNotVar |
1581 | ? diag::err_omp_const_list_item |
1582 | : IsClassType ? diag::err_omp_const_not_mutable_variable |
1583 | : diag::err_omp_const_variable; |
1584 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); |
1585 | if (!ListItemNotVar && D) { |
1586 | const VarDecl *VD = dyn_cast<VarDecl>(D); |
1587 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
1588 | VarDecl::DeclarationOnly; |
1589 | SemaRef.Diag(D->getLocation(), |
1590 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
1591 | << D; |
1592 | } |
1593 | return true; |
1594 | } |
1595 | return false; |
1596 | } |
1597 | |
1598 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, |
1599 | bool FromParent) { |
1600 | D = getCanonicalDecl(D); |
1601 | DSAVarData DVar; |
1602 | |
1603 | auto *VD = dyn_cast<VarDecl>(D); |
1604 | auto TI = Threadprivates.find(D); |
1605 | if (TI != Threadprivates.end()) { |
1606 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); |
1607 | DVar.CKind = OMPC_threadprivate; |
1608 | DVar.Modifier = TI->getSecond().Modifier; |
1609 | return DVar; |
1610 | } |
1611 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { |
1612 | DVar.RefExpr = buildDeclRefExpr( |
1613 | SemaRef, VD, D->getType().getNonReferenceType(), |
1614 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); |
1615 | DVar.CKind = OMPC_threadprivate; |
1616 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); |
1617 | return DVar; |
1618 | } |
1619 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1620 | // in a Construct, C/C++, predetermined, p.1] |
1621 | // Variables appearing in threadprivate directives are threadprivate. |
1622 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && |
1623 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && |
1624 | SemaRef.getLangOpts().OpenMPUseTLS && |
1625 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || |
1626 | (VD && VD->getStorageClass() == SC_Register && |
1627 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { |
1628 | DVar.RefExpr = buildDeclRefExpr( |
1629 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); |
1630 | DVar.CKind = OMPC_threadprivate; |
1631 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); |
1632 | return DVar; |
1633 | } |
1634 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && |
1635 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && |
1636 | !isLoopControlVariable(D).first) { |
1637 | const_iterator IterTarget = |
1638 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { |
1639 | return isOpenMPTargetExecutionDirective(Data.Directive); |
1640 | }); |
1641 | if (IterTarget != end()) { |
1642 | const_iterator ParentIterTarget = IterTarget + 1; |
1643 | for (const_iterator Iter = begin(); |
1644 | Iter != ParentIterTarget; ++Iter) { |
1645 | if (isOpenMPLocal(VD, Iter)) { |
1646 | DVar.RefExpr = |
1647 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), |
1648 | D->getLocation()); |
1649 | DVar.CKind = OMPC_threadprivate; |
1650 | return DVar; |
1651 | } |
1652 | } |
1653 | if (!isClauseParsingMode() || IterTarget != begin()) { |
1654 | auto DSAIter = IterTarget->SharingMap.find(D); |
1655 | if (DSAIter != IterTarget->SharingMap.end() && |
1656 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { |
1657 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); |
1658 | DVar.CKind = OMPC_threadprivate; |
1659 | return DVar; |
1660 | } |
1661 | const_iterator End = end(); |
1662 | if (!SemaRef.isOpenMPCapturedByRef( |
1663 | D, std::distance(ParentIterTarget, End), |
1664 | /*OpenMPCaptureLevel=*/0)) { |
1665 | DVar.RefExpr = |
1666 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), |
1667 | IterTarget->ConstructLoc); |
1668 | DVar.CKind = OMPC_threadprivate; |
1669 | return DVar; |
1670 | } |
1671 | } |
1672 | } |
1673 | } |
1674 | |
1675 | if (isStackEmpty()) |
1676 | // Not in OpenMP execution region and top scope was already checked. |
1677 | return DVar; |
1678 | |
1679 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1680 | // in a Construct, C/C++, predetermined, p.4] |
1681 | // Static data members are shared. |
1682 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1683 | // in a Construct, C/C++, predetermined, p.7] |
1684 | // Variables with static storage duration that are declared in a scope |
1685 | // inside the construct are shared. |
1686 | if (VD && VD->isStaticDataMember()) { |
1687 | // Check for explicitly specified attributes. |
1688 | const_iterator I = begin(); |
1689 | const_iterator EndI = end(); |
1690 | if (FromParent && I != EndI) |
1691 | ++I; |
1692 | if (I != EndI) { |
1693 | auto It = I->SharingMap.find(D); |
1694 | if (It != I->SharingMap.end()) { |
1695 | const DSAInfo &Data = It->getSecond(); |
1696 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1697 | DVar.PrivateCopy = Data.PrivateCopy; |
1698 | DVar.CKind = Data.Attributes; |
1699 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; |
1700 | DVar.DKind = I->Directive; |
1701 | DVar.Modifier = Data.Modifier; |
1702 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1703 | return DVar; |
1704 | } |
1705 | } |
1706 | |
1707 | DVar.CKind = OMPC_shared; |
1708 | return DVar; |
1709 | } |
1710 | |
1711 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; |
1712 | // The predetermined shared attribute for const-qualified types having no |
1713 | // mutable members was removed after OpenMP 3.1. |
1714 | if (SemaRef.LangOpts.OpenMP <= 31) { |
1715 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
1716 | // in a Construct, C/C++, predetermined, p.6] |
1717 | // Variables with const qualified type having no mutable member are |
1718 | // shared. |
1719 | if (isConstNotMutableType(SemaRef, D->getType())) { |
1720 | // Variables with const-qualified type having no mutable member may be |
1721 | // listed in a firstprivate clause, even if they are static data members. |
1722 | DSAVarData DVarTemp = hasInnermostDSA( |
1723 | D, |
1724 | [](OpenMPClauseKind C, bool) { |
1725 | return C == OMPC_firstprivate || C == OMPC_shared; |
1726 | }, |
1727 | MatchesAlways, FromParent); |
1728 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) |
1729 | return DVarTemp; |
1730 | |
1731 | DVar.CKind = OMPC_shared; |
1732 | return DVar; |
1733 | } |
1734 | } |
1735 | |
1736 | // Explicitly specified attributes and local variables with predetermined |
1737 | // attributes. |
1738 | const_iterator I = begin(); |
1739 | const_iterator EndI = end(); |
1740 | if (FromParent && I != EndI) |
1741 | ++I; |
1742 | if (I == EndI) |
1743 | return DVar; |
1744 | auto It = I->SharingMap.find(D); |
1745 | if (It != I->SharingMap.end()) { |
1746 | const DSAInfo &Data = It->getSecond(); |
1747 | DVar.RefExpr = Data.RefExpr.getPointer(); |
1748 | DVar.PrivateCopy = Data.PrivateCopy; |
1749 | DVar.CKind = Data.Attributes; |
1750 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; |
1751 | DVar.DKind = I->Directive; |
1752 | DVar.Modifier = Data.Modifier; |
1753 | DVar.AppliedToPointee = Data.AppliedToPointee; |
1754 | } |
1755 | |
1756 | return DVar; |
1757 | } |
1758 | |
1759 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, |
1760 | bool FromParent) const { |
1761 | if (isStackEmpty()) { |
1762 | const_iterator I; |
1763 | return getDSA(I, D); |
1764 | } |
1765 | D = getCanonicalDecl(D); |
1766 | const_iterator StartI = begin(); |
1767 | const_iterator EndI = end(); |
1768 | if (FromParent && StartI != EndI) |
1769 | ++StartI; |
1770 | return getDSA(StartI, D); |
1771 | } |
1772 | |
1773 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, |
1774 | unsigned Level) const { |
1775 | if (getStackSize() <= Level) |
1776 | return DSAVarData(); |
1777 | D = getCanonicalDecl(D); |
1778 | const_iterator StartI = std::next(begin(), getStackSize() - 1 - Level); |
1779 | return getDSA(StartI, D); |
1780 | } |
1781 | |
1782 | const DSAStackTy::DSAVarData |
1783 | DSAStackTy::hasDSA(ValueDecl *D, |
1784 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1785 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1786 | bool FromParent) const { |
1787 | if (isStackEmpty()) |
1788 | return {}; |
1789 | D = getCanonicalDecl(D); |
1790 | const_iterator I = begin(); |
1791 | const_iterator EndI = end(); |
1792 | if (FromParent && I != EndI) |
1793 | ++I; |
1794 | for (; I != EndI; ++I) { |
1795 | if (!DPred(I->Directive) && |
1796 | !isImplicitOrExplicitTaskingRegion(I->Directive)) |
1797 | continue; |
1798 | const_iterator NewI = I; |
1799 | DSAVarData DVar = getDSA(NewI, D); |
1800 | if (I == NewI && CPred(DVar.CKind, DVar.AppliedToPointee)) |
1801 | return DVar; |
1802 | } |
1803 | return {}; |
1804 | } |
1805 | |
1806 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( |
1807 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1808 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1809 | bool FromParent) const { |
1810 | if (isStackEmpty()) |
1811 | return {}; |
1812 | D = getCanonicalDecl(D); |
1813 | const_iterator StartI = begin(); |
1814 | const_iterator EndI = end(); |
1815 | if (FromParent && StartI != EndI) |
1816 | ++StartI; |
1817 | if (StartI == EndI || !DPred(StartI->Directive)) |
1818 | return {}; |
1819 | const_iterator NewI = StartI; |
1820 | DSAVarData DVar = getDSA(NewI, D); |
1821 | return (NewI == StartI && CPred(DVar.CKind, DVar.AppliedToPointee)) |
1822 | ? DVar |
1823 | : DSAVarData(); |
1824 | } |
1825 | |
1826 | bool DSAStackTy::hasExplicitDSA( |
1827 | const ValueDecl *D, |
1828 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, |
1829 | unsigned Level, bool NotLastprivate) const { |
1830 | if (getStackSize() <= Level) |
1831 | return false; |
1832 | D = getCanonicalDecl(D); |
1833 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
1834 | auto I = StackElem.SharingMap.find(D); |
1835 | if (I != StackElem.SharingMap.end() && I->getSecond().RefExpr.getPointer() && |
1836 | CPred(I->getSecond().Attributes, I->getSecond().AppliedToPointee) && |
1837 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) |
1838 | return true; |
1839 | // Check predetermined rules for the loop control variables. |
1840 | auto LI = StackElem.LCVMap.find(D); |
1841 | if (LI != StackElem.LCVMap.end()) |
1842 | return CPred(OMPC_private, /*AppliedToPointee=*/false); |
1843 | return false; |
1844 | } |
1845 | |
1846 | bool DSAStackTy::hasExplicitDirective( |
1847 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, |
1848 | unsigned Level) const { |
1849 | if (getStackSize() <= Level) |
1850 | return false; |
1851 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); |
1852 | return DPred(StackElem.Directive); |
1853 | } |
1854 | |
1855 | bool DSAStackTy::hasDirective( |
1856 | const llvm::function_ref<bool(OpenMPDirectiveKind, |
1857 | const DeclarationNameInfo &, SourceLocation)> |
1858 | DPred, |
1859 | bool FromParent) const { |
1860 | // We look only in the enclosing region. |
1861 | size_t Skip = FromParent ? 2 : 1; |
1862 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); |
1863 | I != E; ++I) { |
1864 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) |
1865 | return true; |
1866 | } |
1867 | return false; |
1868 | } |
1869 | |
1870 | void Sema::InitDataSharingAttributesStack() { |
1871 | VarDataSharingAttributesStack = new DSAStackTy(*this); |
1872 | } |
1873 | |
1874 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) |
1875 | |
1876 | void Sema::pushOpenMPFunctionRegion() { |
1877 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); |
1878 | } |
1879 | |
1880 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { |
1881 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); |
1882 | } |
1883 | |
1884 | static bool isOpenMPDeviceDelayedContext(Sema &S) { |
1885 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&(static_cast<void> (0)) |
1886 | "Expected OpenMP device compilation.")(static_cast<void> (0)); |
1887 | return !S.isInOpenMPTargetExecutionDirective(); |
1888 | } |
1889 | |
1890 | namespace { |
1891 | /// Status of the function emission on the host/device. |
1892 | enum class FunctionEmissionStatus { |
1893 | Emitted, |
1894 | Discarded, |
1895 | Unknown, |
1896 | }; |
1897 | } // anonymous namespace |
1898 | |
1899 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, |
1900 | unsigned DiagID, |
1901 | FunctionDecl *FD) { |
1902 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&(static_cast<void> (0)) |
1903 | "Expected OpenMP device compilation.")(static_cast<void> (0)); |
1904 | |
1905 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; |
1906 | if (FD) { |
1907 | FunctionEmissionStatus FES = getEmissionStatus(FD); |
1908 | switch (FES) { |
1909 | case FunctionEmissionStatus::Emitted: |
1910 | Kind = SemaDiagnosticBuilder::K_Immediate; |
1911 | break; |
1912 | case FunctionEmissionStatus::Unknown: |
1913 | // TODO: We should always delay diagnostics here in case a target |
1914 | // region is in a function we do not emit. However, as the |
1915 | // current diagnostics are associated with the function containing |
1916 | // the target region and we do not emit that one, we would miss out |
1917 | // on diagnostics for the target region itself. We need to anchor |
1918 | // the diagnostics with the new generated function *or* ensure we |
1919 | // emit diagnostics associated with the surrounding function. |
1920 | Kind = isOpenMPDeviceDelayedContext(*this) |
1921 | ? SemaDiagnosticBuilder::K_Deferred |
1922 | : SemaDiagnosticBuilder::K_Immediate; |
1923 | break; |
1924 | case FunctionEmissionStatus::TemplateDiscarded: |
1925 | case FunctionEmissionStatus::OMPDiscarded: |
1926 | Kind = SemaDiagnosticBuilder::K_Nop; |
1927 | break; |
1928 | case FunctionEmissionStatus::CUDADiscarded: |
1929 | llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation")__builtin_unreachable(); |
1930 | break; |
1931 | } |
1932 | } |
1933 | |
1934 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); |
1935 | } |
1936 | |
1937 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, |
1938 | unsigned DiagID, |
1939 | FunctionDecl *FD) { |
1940 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&(static_cast<void> (0)) |
1941 | "Expected OpenMP host compilation.")(static_cast<void> (0)); |
1942 | |
1943 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; |
1944 | if (FD) { |
1945 | FunctionEmissionStatus FES = getEmissionStatus(FD); |
1946 | switch (FES) { |
1947 | case FunctionEmissionStatus::Emitted: |
1948 | Kind = SemaDiagnosticBuilder::K_Immediate; |
1949 | break; |
1950 | case FunctionEmissionStatus::Unknown: |
1951 | Kind = SemaDiagnosticBuilder::K_Deferred; |
1952 | break; |
1953 | case FunctionEmissionStatus::TemplateDiscarded: |
1954 | case FunctionEmissionStatus::OMPDiscarded: |
1955 | case FunctionEmissionStatus::CUDADiscarded: |
1956 | Kind = SemaDiagnosticBuilder::K_Nop; |
1957 | break; |
1958 | } |
1959 | } |
1960 | |
1961 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); |
1962 | } |
1963 | |
1964 | static OpenMPDefaultmapClauseKind |
1965 | getVariableCategoryFromDecl(const LangOptions &LO, const ValueDecl *VD) { |
1966 | if (LO.OpenMP <= 45) { |
1967 | if (VD->getType().getNonReferenceType()->isScalarType()) |
1968 | return OMPC_DEFAULTMAP_scalar; |
1969 | return OMPC_DEFAULTMAP_aggregate; |
1970 | } |
1971 | if (VD->getType().getNonReferenceType()->isAnyPointerType()) |
1972 | return OMPC_DEFAULTMAP_pointer; |
1973 | if (VD->getType().getNonReferenceType()->isScalarType()) |
1974 | return OMPC_DEFAULTMAP_scalar; |
1975 | return OMPC_DEFAULTMAP_aggregate; |
1976 | } |
1977 | |
1978 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, |
1979 | unsigned OpenMPCaptureLevel) const { |
1980 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast<void> (0)); |
1981 | |
1982 | ASTContext &Ctx = getASTContext(); |
1983 | bool IsByRef = true; |
1984 | |
1985 | // Find the directive that is associated with the provided scope. |
1986 | D = cast<ValueDecl>(D->getCanonicalDecl()); |
1987 | QualType Ty = D->getType(); |
1988 | |
1989 | bool IsVariableUsedInMapClause = false; |
1990 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { |
1991 | // This table summarizes how a given variable should be passed to the device |
1992 | // given its type and the clauses where it appears. This table is based on |
1993 | // the description in OpenMP 4.5 [2.10.4, target Construct] and |
1994 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. |
1995 | // |
1996 | // ========================================================================= |
1997 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | |
1998 | // | |(tofrom:scalar)| | pvt | | | | |
1999 | // ========================================================================= |
2000 | // | scl | | | | - | | bycopy| |
2001 | // | scl | | - | x | - | - | bycopy| |
2002 | // | scl | | x | - | - | - | null | |
2003 | // | scl | x | | | - | | byref | |
2004 | // | scl | x | - | x | - | - | bycopy| |
2005 | // | scl | x | x | - | - | - | null | |
2006 | // | scl | | - | - | - | x | byref | |
2007 | // | scl | x | - | - | - | x | byref | |
2008 | // |
2009 | // | agg | n.a. | | | - | | byref | |
2010 | // | agg | n.a. | - | x | - | - | byref | |
2011 | // | agg | n.a. | x | - | - | - | null | |
2012 | // | agg | n.a. | - | - | - | x | byref | |
2013 | // | agg | n.a. | - | - | - | x[] | byref | |
2014 | // |
2015 | // | ptr | n.a. | | | - | | bycopy| |
2016 | // | ptr | n.a. | - | x | - | - | bycopy| |
2017 | // | ptr | n.a. | x | - | - | - | null | |
2018 | // | ptr | n.a. | - | - | - | x | byref | |
2019 | // | ptr | n.a. | - | - | - | x[] | bycopy| |
2020 | // | ptr | n.a. | - | - | x | | bycopy| |
2021 | // | ptr | n.a. | - | - | x | x | bycopy| |
2022 | // | ptr | n.a. | - | - | x | x[] | bycopy| |
2023 | // ========================================================================= |
2024 | // Legend: |
2025 | // scl - scalar |
2026 | // ptr - pointer |
2027 | // agg - aggregate |
2028 | // x - applies |
2029 | // - - invalid in this combination |
2030 | // [] - mapped with an array section |
2031 | // byref - should be mapped by reference |
2032 | // byval - should be mapped by value |
2033 | // null - initialize a local variable to null on the device |
2034 | // |
2035 | // Observations: |
2036 | // - All scalar declarations that show up in a map clause have to be passed |
2037 | // by reference, because they may have been mapped in the enclosing data |
2038 | // environment. |
2039 | // - If the scalar value does not fit the size of uintptr, it has to be |
2040 | // passed by reference, regardless the result in the table above. |
2041 | // - For pointers mapped by value that have either an implicit map or an |
2042 | // array section, the runtime library may pass the NULL value to the |
2043 | // device instead of the value passed to it by the compiler. |
2044 | |
2045 | if (Ty->isReferenceType()) |
2046 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); |
2047 | |
2048 | // Locate map clauses and see if the variable being captured is referred to |
2049 | // in any of those clauses. Here we only care about variables, not fields, |
2050 | // because fields are part of aggregates. |
2051 | bool IsVariableAssociatedWithSection = false; |
2052 | |
2053 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( |
2054 | D, Level, |
2055 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, D]( |
2056 | OMPClauseMappableExprCommon::MappableExprComponentListRef |
2057 | MapExprComponents, |
2058 | OpenMPClauseKind WhereFoundClauseKind) { |
2059 | // Only the map clause information influences how a variable is |
2060 | // captured. E.g. is_device_ptr does not require changing the default |
2061 | // behavior. |
2062 | if (WhereFoundClauseKind != OMPC_map) |
2063 | return false; |
2064 | |
2065 | auto EI = MapExprComponents.rbegin(); |
2066 | auto EE = MapExprComponents.rend(); |
2067 | |
2068 | assert(EI != EE && "Invalid map expression!")(static_cast<void> (0)); |
2069 | |
2070 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) |
2071 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; |
2072 | |
2073 | ++EI; |
2074 | if (EI == EE) |
2075 | return false; |
2076 | |
2077 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || |
2078 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || |
2079 | isa<MemberExpr>(EI->getAssociatedExpression()) || |
2080 | isa<OMPArrayShapingExpr>(EI->getAssociatedExpression())) { |
2081 | IsVariableAssociatedWithSection = true; |
2082 | // There is nothing more we need to know about this variable. |
2083 | return true; |
2084 | } |
2085 | |
2086 | // Keep looking for more map info. |
2087 | return false; |
2088 | }); |
2089 | |
2090 | if (IsVariableUsedInMapClause) { |
2091 | // If variable is identified in a map clause it is always captured by |
2092 | // reference except if it is a pointer that is dereferenced somehow. |
2093 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); |
2094 | } else { |
2095 | // By default, all the data that has a scalar type is mapped by copy |
2096 | // (except for reduction variables). |
2097 | // Defaultmap scalar is mutual exclusive to defaultmap pointer |
2098 | IsByRef = (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && |
2099 | !Ty->isAnyPointerType()) || |
2100 | !Ty->isScalarType() || |
2101 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isDefaultmapCapturedByRef( |
2102 | Level, getVariableCategoryFromDecl(LangOpts, D)) || |
2103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2104 | D, |
2105 | [](OpenMPClauseKind K, bool AppliedToPointee) { |
2106 | return K == OMPC_reduction && !AppliedToPointee; |
2107 | }, |
2108 | Level); |
2109 | } |
2110 | } |
2111 | |
2112 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { |
2113 | IsByRef = |
2114 | ((IsVariableUsedInMapClause && |
2115 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == |
2116 | OMPD_target) || |
2117 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2118 | D, |
2119 | [](OpenMPClauseKind K, bool AppliedToPointee) -> bool { |
2120 | return K == OMPC_firstprivate || |
2121 | (K == OMPC_reduction && AppliedToPointee); |
2122 | }, |
2123 | Level, /*NotLastprivate=*/true) || |
2124 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D))) && |
2125 | // If the variable is artificial and must be captured by value - try to |
2126 | // capture by value. |
2127 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && |
2128 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()) && |
2129 | // If the variable is implicitly firstprivate and scalar - capture by |
2130 | // copy |
2131 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate && |
2132 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2133 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_unknown; }, |
2134 | Level) && |
2135 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first); |
2136 | } |
2137 | |
2138 | // When passing data by copy, we need to make sure it fits the uintptr size |
2139 | // and alignment, because the runtime library only deals with uintptr types. |
2140 | // If it does not fit the uintptr size, we need to pass the data by reference |
2141 | // instead. |
2142 | if (!IsByRef && |
2143 | (Ctx.getTypeSizeInChars(Ty) > |
2144 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || |
2145 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { |
2146 | IsByRef = true; |
2147 | } |
2148 | |
2149 | return IsByRef; |
2150 | } |
2151 | |
2152 | unsigned Sema::getOpenMPNestingLevel() const { |
2153 | assert(getLangOpts().OpenMP)(static_cast<void> (0)); |
2154 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); |
2155 | } |
2156 | |
2157 | bool Sema::isInOpenMPTargetExecutionDirective() const { |
2158 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
2159 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || |
2160 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( |
2161 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, |
2162 | SourceLocation) -> bool { |
2163 | return isOpenMPTargetExecutionDirective(K); |
2164 | }, |
2165 | false); |
2166 | } |
2167 | |
2168 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, |
2169 | unsigned StopAt) { |
2170 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast<void> (0)); |
2171 | D = getCanonicalDecl(D); |
2172 | |
2173 | auto *VD = dyn_cast<VarDecl>(D); |
2174 | // Do not capture constexpr variables. |
2175 | if (VD && VD->isConstexpr()) |
2176 | return nullptr; |
2177 | |
2178 | // If we want to determine whether the variable should be captured from the |
2179 | // perspective of the current capturing scope, and we've already left all the |
2180 | // capturing scopes of the top directive on the stack, check from the |
2181 | // perspective of its parent directive (if any) instead. |
2182 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( |
2183 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isBodyComplete()); |
2184 | |
2185 | // If we are attempting to capture a global variable in a directive with |
2186 | // 'target' we return true so that this global is also mapped to the device. |
2187 | // |
2188 | if (VD && !VD->hasLocalStorage() && |
2189 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { |
2190 | if (isInOpenMPTargetExecutionDirective()) { |
2191 | DSAStackTy::DSAVarData DVarTop = |
2192 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2193 | if (DVarTop.CKind != OMPC_unknown && DVarTop.RefExpr) |
2194 | return VD; |
2195 | // If the declaration is enclosed in a 'declare target' directive, |
2196 | // then it should not be captured. |
2197 | // |
2198 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) |
2199 | return nullptr; |
2200 | CapturedRegionScopeInfo *CSI = nullptr; |
2201 | for (FunctionScopeInfo *FSI : llvm::drop_begin( |
2202 | llvm::reverse(FunctionScopes), |
2203 | CheckScopeInfo ? (FunctionScopes.size() - (StopAt + 1)) : 0)) { |
2204 | if (!isa<CapturingScopeInfo>(FSI)) |
2205 | return nullptr; |
2206 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) |
2207 | if (RSI->CapRegionKind == CR_OpenMP) { |
2208 | CSI = RSI; |
2209 | break; |
2210 | } |
2211 | } |
2212 | assert(CSI && "Failed to find CapturedRegionScopeInfo")(static_cast<void> (0)); |
2213 | SmallVector<OpenMPDirectiveKind, 4> Regions; |
2214 | getOpenMPCaptureRegions(Regions, |
2215 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(CSI->OpenMPLevel)); |
2216 | if (Regions[CSI->OpenMPCaptureLevel] != OMPD_task) |
2217 | return VD; |
2218 | } |
2219 | if (isInOpenMPDeclareTargetContext()) { |
2220 | // Try to mark variable as declare target if it is used in capturing |
2221 | // regions. |
2222 | if (LangOpts.OpenMP <= 45 && |
2223 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) |
2224 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); |
2225 | return nullptr; |
2226 | } |
2227 | } |
2228 | |
2229 | if (CheckScopeInfo) { |
2230 | bool OpenMPFound = false; |
2231 | for (unsigned I = StopAt + 1; I > 0; --I) { |
2232 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; |
2233 | if(!isa<CapturingScopeInfo>(FSI)) |
2234 | return nullptr; |
2235 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) |
2236 | if (RSI->CapRegionKind == CR_OpenMP) { |
2237 | OpenMPFound = true; |
2238 | break; |
2239 | } |
2240 | } |
2241 | if (!OpenMPFound) |
2242 | return nullptr; |
2243 | } |
2244 | |
2245 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && |
2246 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || |
2247 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { |
2248 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); |
2249 | if (Info.first || |
2250 | (VD && VD->hasLocalStorage() && |
2251 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || |
2252 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) |
2253 | return VD ? VD : Info.second; |
2254 | DSAStackTy::DSAVarData DVarTop = |
2255 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2256 | if (DVarTop.CKind != OMPC_unknown && isOpenMPPrivate(DVarTop.CKind) && |
2257 | (!VD || VD->hasLocalStorage() || !DVarTop.AppliedToPointee)) |
2258 | return VD ? VD : cast<VarDecl>(DVarTop.PrivateCopy->getDecl()); |
2259 | // Threadprivate variables must not be captured. |
2260 | if (isOpenMPThreadPrivate(DVarTop.CKind)) |
2261 | return nullptr; |
2262 | // The variable is not private or it is the variable in the directive with |
2263 | // default(none) clause and not used in any clause. |
2264 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( |
2265 | D, |
2266 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
2267 | return isOpenMPPrivate(C) && !AppliedToPointee; |
2268 | }, |
2269 | [](OpenMPDirectiveKind) { return true; }, |
2270 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); |
2271 | // Global shared must not be captured. |
2272 | if (VD && !VD->hasLocalStorage() && DVarPrivate.CKind == OMPC_unknown && |
2273 | ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_none && |
2274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_firstprivate) || |
2275 | DVarTop.CKind == OMPC_shared)) |
2276 | return nullptr; |
2277 | if (DVarPrivate.CKind != OMPC_unknown || |
2278 | (VD && (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
2279 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate))) |
2280 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); |
2281 | } |
2282 | return nullptr; |
2283 | } |
2284 | |
2285 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, |
2286 | unsigned Level) const { |
2287 | FunctionScopesIndex -= getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2288 | } |
2289 | |
2290 | void Sema::startOpenMPLoop() { |
2291 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")(static_cast<void> (0)); |
2292 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) |
2293 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); |
2294 | } |
2295 | |
2296 | void Sema::startOpenMPCXXRangeFor() { |
2297 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")(static_cast<void> (0)); |
2298 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
2299 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); |
2300 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
2301 | } |
2302 | } |
2303 | |
2304 | OpenMPClauseKind Sema::isOpenMPPrivateDecl(ValueDecl *D, unsigned Level, |
2305 | unsigned CapLevel) const { |
2306 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast<void> (0)); |
2307 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( |
2308 | [](OpenMPDirectiveKind K) { return isOpenMPTaskingDirective(K); }, |
2309 | Level)) { |
2310 | bool IsTriviallyCopyable = |
2311 | D->getType().getNonReferenceType().isTriviallyCopyableType(Context) && |
2312 | !D->getType() |
2313 | .getNonReferenceType() |
2314 | .getCanonicalType() |
2315 | ->getAsCXXRecordDecl(); |
2316 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level); |
2317 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
2318 | getOpenMPCaptureRegions(CaptureRegions, DKind); |
2319 | if (isOpenMPTaskingDirective(CaptureRegions[CapLevel]) && |
2320 | (IsTriviallyCopyable || |
2321 | !isOpenMPTaskLoopDirective(CaptureRegions[CapLevel]))) { |
2322 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2323 | D, |
2324 | [](OpenMPClauseKind K, bool) { return K == OMPC_firstprivate; }, |
2325 | Level, /*NotLastprivate=*/true)) |
2326 | return OMPC_firstprivate; |
2327 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); |
2328 | if (DVar.CKind != OMPC_shared && |
2329 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first && !DVar.RefExpr) { |
2330 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addImplicitTaskFirstprivate(Level, D); |
2331 | return OMPC_firstprivate; |
2332 | } |
2333 | } |
2334 | } |
2335 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
2336 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && |
2337 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { |
2338 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); |
2339 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
2340 | return OMPC_private; |
2341 | } |
2342 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || |
2343 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && |
2344 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2345 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_private; }, |
2346 | Level) && |
2347 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) |
2348 | return OMPC_private; |
2349 | } |
2350 | if (const auto *VD = dyn_cast<VarDecl>(D)) { |
2351 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && |
2352 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && |
2353 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2354 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_copyin; }, |
2355 | Level)) |
2356 | return OMPC_private; |
2357 | } |
2358 | // User-defined allocators are private since they must be defined in the |
2359 | // context of target region. |
2360 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level) && |
2361 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D).getValueOr( |
2362 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == |
2363 | DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator) |
2364 | return OMPC_private; |
2365 | return (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2366 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_private; }, |
2367 | Level) || |
2368 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && |
2369 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || |
2370 | // Consider taskgroup reduction descriptor variable a private |
2371 | // to avoid possible capture in the region. |
2372 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( |
2373 | [](OpenMPDirectiveKind K) { |
2374 | return K == OMPD_taskgroup || |
2375 | ((isOpenMPParallelDirective(K) || |
2376 | isOpenMPWorksharingDirective(K)) && |
2377 | !isOpenMPSimdDirective(K)); |
2378 | }, |
2379 | Level) && |
2380 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level))) |
2381 | ? OMPC_private |
2382 | : OMPC_unknown; |
2383 | } |
2384 | |
2385 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, |
2386 | unsigned Level) { |
2387 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast<void> (0)); |
2388 | D = getCanonicalDecl(D); |
2389 | OpenMPClauseKind OMPC = OMPC_unknown; |
2390 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { |
2391 | const unsigned NewLevel = I - 1; |
2392 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( |
2393 | D, |
2394 | [&OMPC](const OpenMPClauseKind K, bool AppliedToPointee) { |
2395 | if (isOpenMPPrivate(K) && !AppliedToPointee) { |
2396 | OMPC = K; |
2397 | return true; |
2398 | } |
2399 | return false; |
2400 | }, |
2401 | NewLevel)) |
2402 | break; |
2403 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( |
2404 | D, NewLevel, |
2405 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
2406 | OpenMPClauseKind) { return true; })) { |
2407 | OMPC = OMPC_map; |
2408 | break; |
2409 | } |
2410 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, |
2411 | NewLevel)) { |
2412 | OMPC = OMPC_map; |
2413 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->mustBeFirstprivateAtLevel( |
2414 | NewLevel, getVariableCategoryFromDecl(LangOpts, D))) |
2415 | OMPC = OMPC_firstprivate; |
2416 | break; |
2417 | } |
2418 | } |
2419 | if (OMPC != OMPC_unknown) |
2420 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, unsigned(OMPC))); |
2421 | } |
2422 | |
2423 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, |
2424 | unsigned CaptureLevel) const { |
2425 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast<void> (0)); |
2426 | // Return true if the current level is no longer enclosed in a target region. |
2427 | |
2428 | SmallVector<OpenMPDirectiveKind, 4> Regions; |
2429 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2430 | const auto *VD = dyn_cast<VarDecl>(D); |
2431 | return VD && !VD->hasLocalStorage() && |
2432 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, |
2433 | Level) && |
2434 | Regions[CaptureLevel] != OMPD_task; |
2435 | } |
2436 | |
2437 | bool Sema::isOpenMPGlobalCapturedDecl(ValueDecl *D, unsigned Level, |
2438 | unsigned CaptureLevel) const { |
2439 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast<void> (0)); |
2440 | // Return true if the current level is no longer enclosed in a target region. |
2441 | |
2442 | if (const auto *VD = dyn_cast<VarDecl>(D)) { |
2443 | if (!VD->hasLocalStorage()) { |
2444 | if (isInOpenMPTargetExecutionDirective()) |
2445 | return true; |
2446 | DSAStackTy::DSAVarData TopDVar = |
2447 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
2448 | unsigned NumLevels = |
2449 | getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
2450 | if (Level == 0) |
2451 | return (NumLevels == CaptureLevel + 1) && TopDVar.CKind != OMPC_shared; |
2452 | do { |
2453 | --Level; |
2454 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); |
2455 | if (DVar.CKind != OMPC_shared) |
2456 | return true; |
2457 | } while (Level > 0); |
2458 | } |
2459 | } |
2460 | return true; |
2461 | } |
2462 | |
2463 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } |
2464 | |
2465 | void Sema::ActOnOpenMPBeginDeclareVariant(SourceLocation Loc, |
2466 | OMPTraitInfo &TI) { |
2467 | OMPDeclareVariantScopes.push_back(OMPDeclareVariantScope(TI)); |
2468 | } |
2469 | |
2470 | void Sema::ActOnOpenMPEndDeclareVariant() { |
2471 | assert(isInOpenMPDeclareVariantScope() &&(static_cast<void> (0)) |
2472 | "Not in OpenMP declare variant scope!")(static_cast<void> (0)); |
2473 | |
2474 | OMPDeclareVariantScopes.pop_back(); |
2475 | } |
2476 | |
2477 | void Sema::finalizeOpenMPDelayedAnalysis(const FunctionDecl *Caller, |
2478 | const FunctionDecl *Callee, |
2479 | SourceLocation Loc) { |
2480 | assert(LangOpts.OpenMP && "Expected OpenMP compilation mode.")(static_cast<void> (0)); |
2481 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = |
2482 | OMPDeclareTargetDeclAttr::getDeviceType(Caller->getMostRecentDecl()); |
2483 | // Ignore host functions during device analyzis. |
2484 | if (LangOpts.OpenMPIsDevice && |
2485 | (!DevTy || *DevTy == OMPDeclareTargetDeclAttr::DT_Host)) |
2486 | return; |
2487 | // Ignore nohost functions during host analyzis. |
2488 | if (!LangOpts.OpenMPIsDevice && DevTy && |
2489 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) |
2490 | return; |
2491 | const FunctionDecl *FD = Callee->getMostRecentDecl(); |
2492 | DevTy = OMPDeclareTargetDeclAttr::getDeviceType(FD); |
2493 | if (LangOpts.OpenMPIsDevice && DevTy && |
2494 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { |
2495 | // Diagnose host function called during device codegen. |
2496 | StringRef HostDevTy = |
2497 | getOpenMPSimpleClauseTypeName(OMPC_device_type, OMPC_DEVICE_TYPE_host); |
2498 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; |
2499 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), |
2500 | diag::note_omp_marked_device_type_here) |
2501 | << HostDevTy; |
2502 | return; |
2503 | } |
2504 | if (!LangOpts.OpenMPIsDevice && DevTy && |
2505 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { |
2506 | // Diagnose nohost function called during host codegen. |
2507 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( |
2508 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); |
2509 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; |
2510 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), |
2511 | diag::note_omp_marked_device_type_here) |
2512 | << NoHostDevTy; |
2513 | } |
2514 | } |
2515 | |
2516 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, |
2517 | const DeclarationNameInfo &DirName, |
2518 | Scope *CurScope, SourceLocation Loc) { |
2519 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); |
2520 | PushExpressionEvaluationContext( |
2521 | ExpressionEvaluationContext::PotentiallyEvaluated); |
2522 | } |
2523 | |
2524 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { |
2525 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); |
2526 | } |
2527 | |
2528 | void Sema::EndOpenMPClause() { |
2529 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); |
2530 | CleanupVarDeclMarking(); |
2531 | } |
2532 | |
2533 | static std::pair<ValueDecl *, bool> |
2534 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, |
2535 | SourceRange &ERange, bool AllowArraySection = false); |
2536 | |
2537 | /// Check consistency of the reduction clauses. |
2538 | static void checkReductionClauses(Sema &S, DSAStackTy *Stack, |
2539 | ArrayRef<OMPClause *> Clauses) { |
2540 | bool InscanFound = false; |
2541 | SourceLocation InscanLoc; |
2542 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions. |
2543 | // A reduction clause without the inscan reduction-modifier may not appear on |
2544 | // a construct on which a reduction clause with the inscan reduction-modifier |
2545 | // appears. |
2546 | for (OMPClause *C : Clauses) { |
2547 | if (C->getClauseKind() != OMPC_reduction) |
2548 | continue; |
2549 | auto *RC = cast<OMPReductionClause>(C); |
2550 | if (RC->getModifier() == OMPC_REDUCTION_inscan) { |
2551 | InscanFound = true; |
2552 | InscanLoc = RC->getModifierLoc(); |
2553 | continue; |
2554 | } |
2555 | if (RC->getModifier() == OMPC_REDUCTION_task) { |
2556 | // OpenMP 5.0, 2.19.5.4 reduction Clause. |
2557 | // A reduction clause with the task reduction-modifier may only appear on |
2558 | // a parallel construct, a worksharing construct or a combined or |
2559 | // composite construct for which any of the aforementioned constructs is a |
2560 | // constituent construct and simd or loop are not constituent constructs. |
2561 | OpenMPDirectiveKind CurDir = Stack->getCurrentDirective(); |
2562 | if (!(isOpenMPParallelDirective(CurDir) || |
2563 | isOpenMPWorksharingDirective(CurDir)) || |
2564 | isOpenMPSimdDirective(CurDir)) |
2565 | S.Diag(RC->getModifierLoc(), |
2566 | diag::err_omp_reduction_task_not_parallel_or_worksharing); |
2567 | continue; |
2568 | } |
2569 | } |
2570 | if (InscanFound) { |
2571 | for (OMPClause *C : Clauses) { |
2572 | if (C->getClauseKind() != OMPC_reduction) |
2573 | continue; |
2574 | auto *RC = cast<OMPReductionClause>(C); |
2575 | if (RC->getModifier() != OMPC_REDUCTION_inscan) { |
2576 | S.Diag(RC->getModifier() == OMPC_REDUCTION_unknown |
2577 | ? RC->getBeginLoc() |
2578 | : RC->getModifierLoc(), |
2579 | diag::err_omp_inscan_reduction_expected); |
2580 | S.Diag(InscanLoc, diag::note_omp_previous_inscan_reduction); |
2581 | continue; |
2582 | } |
2583 | for (Expr *Ref : RC->varlists()) { |
2584 | assert(Ref && "NULL expr in OpenMP nontemporal clause.")(static_cast<void> (0)); |
2585 | SourceLocation ELoc; |
2586 | SourceRange ERange; |
2587 | Expr *SimpleRefExpr = Ref; |
2588 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
2589 | /*AllowArraySection=*/true); |
2590 | ValueDecl *D = Res.first; |
2591 | if (!D) |
2592 | continue; |
2593 | if (!Stack->isUsedInScanDirective(getCanonicalDecl(D))) { |
2594 | S.Diag(Ref->getExprLoc(), |
2595 | diag::err_omp_reduction_not_inclusive_exclusive) |
2596 | << Ref->getSourceRange(); |
2597 | } |
2598 | } |
2599 | } |
2600 | } |
2601 | } |
2602 | |
2603 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, |
2604 | ArrayRef<OMPClause *> Clauses); |
2605 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, |
2606 | bool WithInit); |
2607 | |
2608 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, |
2609 | const ValueDecl *D, |
2610 | const DSAStackTy::DSAVarData &DVar, |
2611 | bool IsLoopIterVar = false); |
2612 | |
2613 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { |
2614 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] |
2615 | // A variable of class type (or array thereof) that appears in a lastprivate |
2616 | // clause requires an accessible, unambiguous default constructor for the |
2617 | // class type, unless the list item is also specified in a firstprivate |
2618 | // clause. |
2619 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { |
2620 | for (OMPClause *C : D->clauses()) { |
2621 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { |
2622 | SmallVector<Expr *, 8> PrivateCopies; |
2623 | for (Expr *DE : Clause->varlists()) { |
2624 | if (DE->isValueDependent() || DE->isTypeDependent()) { |
2625 | PrivateCopies.push_back(nullptr); |
2626 | continue; |
2627 | } |
2628 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); |
2629 | auto *VD = cast<VarDecl>(DRE->getDecl()); |
2630 | QualType Type = VD->getType().getNonReferenceType(); |
2631 | const DSAStackTy::DSAVarData DVar = |
2632 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
2633 | if (DVar.CKind == OMPC_lastprivate) { |
2634 | // Generate helper private variable and initialize it with the |
2635 | // default value. The address of the original variable is replaced |
2636 | // by the address of the new private variable in CodeGen. This new |
2637 | // variable is not added to IdResolver, so the code in the OpenMP |
2638 | // region uses original variable for proper diagnostics. |
2639 | VarDecl *VDPrivate = buildVarDecl( |
2640 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), |
2641 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); |
2642 | ActOnUninitializedDecl(VDPrivate); |
2643 | if (VDPrivate->isInvalidDecl()) { |
2644 | PrivateCopies.push_back(nullptr); |
2645 | continue; |
2646 | } |
2647 | PrivateCopies.push_back(buildDeclRefExpr( |
2648 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); |
2649 | } else { |
2650 | // The variable is also a firstprivate, so initialization sequence |
2651 | // for private copy is generated already. |
2652 | PrivateCopies.push_back(nullptr); |
2653 | } |
2654 | } |
2655 | Clause->setPrivateCopies(PrivateCopies); |
2656 | continue; |
2657 | } |
2658 | // Finalize nontemporal clause by handling private copies, if any. |
2659 | if (auto *Clause = dyn_cast<OMPNontemporalClause>(C)) { |
2660 | SmallVector<Expr *, 8> PrivateRefs; |
2661 | for (Expr *RefExpr : Clause->varlists()) { |
2662 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast<void> (0)); |
2663 | SourceLocation ELoc; |
2664 | SourceRange ERange; |
2665 | Expr *SimpleRefExpr = RefExpr; |
2666 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
2667 | if (Res.second) |
2668 | // It will be analyzed later. |
2669 | PrivateRefs.push_back(RefExpr); |
2670 | ValueDecl *D = Res.first; |
2671 | if (!D) |
2672 | continue; |
2673 | |
2674 | const DSAStackTy::DSAVarData DVar = |
2675 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
2676 | PrivateRefs.push_back(DVar.PrivateCopy ? DVar.PrivateCopy |
2677 | : SimpleRefExpr); |
2678 | } |
2679 | Clause->setPrivateRefs(PrivateRefs); |
2680 | continue; |
2681 | } |
2682 | if (auto *Clause = dyn_cast<OMPUsesAllocatorsClause>(C)) { |
2683 | for (unsigned I = 0, E = Clause->getNumberOfAllocators(); I < E; ++I) { |
2684 | OMPUsesAllocatorsClause::Data D = Clause->getAllocatorData(I); |
2685 | auto *DRE = dyn_cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()); |
2686 | if (!DRE) |
2687 | continue; |
2688 | ValueDecl *VD = DRE->getDecl(); |
2689 | if (!VD || !isa<VarDecl>(VD)) |
2690 | continue; |
2691 | DSAStackTy::DSAVarData DVar = |
2692 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
2693 | // OpenMP [2.12.5, target Construct] |
2694 | // Memory allocators that appear in a uses_allocators clause cannot |
2695 | // appear in other data-sharing attribute clauses or data-mapping |
2696 | // attribute clauses in the same construct. |
2697 | Expr *MapExpr = nullptr; |
2698 | if (DVar.RefExpr || |
2699 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
2700 | VD, /*CurrentRegionOnly=*/true, |
2701 | [VD, &MapExpr]( |
2702 | OMPClauseMappableExprCommon::MappableExprComponentListRef |
2703 | MapExprComponents, |
2704 | OpenMPClauseKind C) { |
2705 | auto MI = MapExprComponents.rbegin(); |
2706 | auto ME = MapExprComponents.rend(); |
2707 | if (MI != ME && |
2708 | MI->getAssociatedDeclaration()->getCanonicalDecl() == |
2709 | VD->getCanonicalDecl()) { |
2710 | MapExpr = MI->getAssociatedExpression(); |
2711 | return true; |
2712 | } |
2713 | return false; |
2714 | })) { |
2715 | Diag(D.Allocator->getExprLoc(), |
2716 | diag::err_omp_allocator_used_in_clauses) |
2717 | << D.Allocator->getSourceRange(); |
2718 | if (DVar.RefExpr) |
2719 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); |
2720 | else |
2721 | Diag(MapExpr->getExprLoc(), diag::note_used_here) |
2722 | << MapExpr->getSourceRange(); |
2723 | } |
2724 | } |
2725 | continue; |
2726 | } |
2727 | } |
2728 | // Check allocate clauses. |
2729 | if (!CurContext->isDependentContext()) |
2730 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); |
2731 | checkReductionClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); |
2732 | } |
2733 | |
2734 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); |
2735 | DiscardCleanupsInEvaluationContext(); |
2736 | PopExpressionEvaluationContext(); |
2737 | } |
2738 | |
2739 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, |
2740 | Expr *NumIterations, Sema &SemaRef, |
2741 | Scope *S, DSAStackTy *Stack); |
2742 | |
2743 | namespace { |
2744 | |
2745 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { |
2746 | private: |
2747 | Sema &SemaRef; |
2748 | |
2749 | public: |
2750 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} |
2751 | bool ValidateCandidate(const TypoCorrection &Candidate) override { |
2752 | NamedDecl *ND = Candidate.getCorrectionDecl(); |
2753 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { |
2754 | return VD->hasGlobalStorage() && |
2755 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), |
2756 | SemaRef.getCurScope()); |
2757 | } |
2758 | return false; |
2759 | } |
2760 | |
2761 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
2762 | return std::make_unique<VarDeclFilterCCC>(*this); |
2763 | } |
2764 | |
2765 | }; |
2766 | |
2767 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { |
2768 | private: |
2769 | Sema &SemaRef; |
2770 | |
2771 | public: |
2772 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} |
2773 | bool ValidateCandidate(const TypoCorrection &Candidate) override { |
2774 | NamedDecl *ND = Candidate.getCorrectionDecl(); |
2775 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || |
2776 | isa<FunctionDecl>(ND))) { |
2777 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), |
2778 | SemaRef.getCurScope()); |
2779 | } |
2780 | return false; |
2781 | } |
2782 | |
2783 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
2784 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); |
2785 | } |
2786 | }; |
2787 | |
2788 | } // namespace |
2789 | |
2790 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, |
2791 | CXXScopeSpec &ScopeSpec, |
2792 | const DeclarationNameInfo &Id, |
2793 | OpenMPDirectiveKind Kind) { |
2794 | LookupResult Lookup(*this, Id, LookupOrdinaryName); |
2795 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); |
2796 | |
2797 | if (Lookup.isAmbiguous()) |
2798 | return ExprError(); |
2799 | |
2800 | VarDecl *VD; |
2801 | if (!Lookup.isSingleResult()) { |
2802 | VarDeclFilterCCC CCC(*this); |
2803 | if (TypoCorrection Corrected = |
2804 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, |
2805 | CTK_ErrorRecovery)) { |
2806 | diagnoseTypo(Corrected, |
2807 | PDiag(Lookup.empty() |
2808 | ? diag::err_undeclared_var_use_suggest |
2809 | : diag::err_omp_expected_var_arg_suggest) |
2810 | << Id.getName()); |
2811 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); |
2812 | } else { |
2813 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use |
2814 | : diag::err_omp_expected_var_arg) |
2815 | << Id.getName(); |
2816 | return ExprError(); |
2817 | } |
2818 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { |
2819 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); |
2820 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); |
2821 | return ExprError(); |
2822 | } |
2823 | Lookup.suppressDiagnostics(); |
2824 | |
2825 | // OpenMP [2.9.2, Syntax, C/C++] |
2826 | // Variables must be file-scope, namespace-scope, or static block-scope. |
2827 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { |
2828 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) |
2829 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); |
2830 | bool IsDecl = |
2831 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2832 | Diag(VD->getLocation(), |
2833 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2834 | << VD; |
2835 | return ExprError(); |
2836 | } |
2837 | |
2838 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); |
2839 | NamedDecl *ND = CanonicalVD; |
2840 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] |
2841 | // A threadprivate directive for file-scope variables must appear outside |
2842 | // any definition or declaration. |
2843 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && |
2844 | !getCurLexicalContext()->isTranslationUnit()) { |
2845 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
2846 | << getOpenMPDirectiveName(Kind) << VD; |
2847 | bool IsDecl = |
2848 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2849 | Diag(VD->getLocation(), |
2850 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2851 | << VD; |
2852 | return ExprError(); |
2853 | } |
2854 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] |
2855 | // A threadprivate directive for static class member variables must appear |
2856 | // in the class definition, in the same scope in which the member |
2857 | // variables are declared. |
2858 | if (CanonicalVD->isStaticDataMember() && |
2859 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { |
2860 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
2861 | << getOpenMPDirectiveName(Kind) << VD; |
2862 | bool IsDecl = |
2863 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2864 | Diag(VD->getLocation(), |
2865 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2866 | << VD; |
2867 | return ExprError(); |
2868 | } |
2869 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] |
2870 | // A threadprivate directive for namespace-scope variables must appear |
2871 | // outside any definition or declaration other than the namespace |
2872 | // definition itself. |
2873 | if (CanonicalVD->getDeclContext()->isNamespace() && |
2874 | (!getCurLexicalContext()->isFileContext() || |
2875 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { |
2876 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
2877 | << getOpenMPDirectiveName(Kind) << VD; |
2878 | bool IsDecl = |
2879 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2880 | Diag(VD->getLocation(), |
2881 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2882 | << VD; |
2883 | return ExprError(); |
2884 | } |
2885 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] |
2886 | // A threadprivate directive for static block-scope variables must appear |
2887 | // in the scope of the variable and not in a nested scope. |
2888 | if (CanonicalVD->isLocalVarDecl() && CurScope && |
2889 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { |
2890 | Diag(Id.getLoc(), diag::err_omp_var_scope) |
2891 | << getOpenMPDirectiveName(Kind) << VD; |
2892 | bool IsDecl = |
2893 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2894 | Diag(VD->getLocation(), |
2895 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2896 | << VD; |
2897 | return ExprError(); |
2898 | } |
2899 | |
2900 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] |
2901 | // A threadprivate directive must lexically precede all references to any |
2902 | // of the variables in its list. |
2903 | if (Kind == OMPD_threadprivate && VD->isUsed() && |
2904 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
2905 | Diag(Id.getLoc(), diag::err_omp_var_used) |
2906 | << getOpenMPDirectiveName(Kind) << VD; |
2907 | return ExprError(); |
2908 | } |
2909 | |
2910 | QualType ExprType = VD->getType().getNonReferenceType(); |
2911 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), |
2912 | SourceLocation(), VD, |
2913 | /*RefersToEnclosingVariableOrCapture=*/false, |
2914 | Id.getLoc(), ExprType, VK_LValue); |
2915 | } |
2916 | |
2917 | Sema::DeclGroupPtrTy |
2918 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, |
2919 | ArrayRef<Expr *> VarList) { |
2920 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { |
2921 | CurContext->addDecl(D); |
2922 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
2923 | } |
2924 | return nullptr; |
2925 | } |
2926 | |
2927 | namespace { |
2928 | class LocalVarRefChecker final |
2929 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { |
2930 | Sema &SemaRef; |
2931 | |
2932 | public: |
2933 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
2934 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
2935 | if (VD->hasLocalStorage()) { |
2936 | SemaRef.Diag(E->getBeginLoc(), |
2937 | diag::err_omp_local_var_in_threadprivate_init) |
2938 | << E->getSourceRange(); |
2939 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) |
2940 | << VD << VD->getSourceRange(); |
2941 | return true; |
2942 | } |
2943 | } |
2944 | return false; |
2945 | } |
2946 | bool VisitStmt(const Stmt *S) { |
2947 | for (const Stmt *Child : S->children()) { |
2948 | if (Child && Visit(Child)) |
2949 | return true; |
2950 | } |
2951 | return false; |
2952 | } |
2953 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} |
2954 | }; |
2955 | } // namespace |
2956 | |
2957 | OMPThreadPrivateDecl * |
2958 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { |
2959 | SmallVector<Expr *, 8> Vars; |
2960 | for (Expr *RefExpr : VarList) { |
2961 | auto *DE = cast<DeclRefExpr>(RefExpr); |
2962 | auto *VD = cast<VarDecl>(DE->getDecl()); |
2963 | SourceLocation ILoc = DE->getExprLoc(); |
2964 | |
2965 | // Mark variable as used. |
2966 | VD->setReferenced(); |
2967 | VD->markUsed(Context); |
2968 | |
2969 | QualType QType = VD->getType(); |
2970 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { |
2971 | // It will be analyzed later. |
2972 | Vars.push_back(DE); |
2973 | continue; |
2974 | } |
2975 | |
2976 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] |
2977 | // A threadprivate variable must not have an incomplete type. |
2978 | if (RequireCompleteType(ILoc, VD->getType(), |
2979 | diag::err_omp_threadprivate_incomplete_type)) { |
2980 | continue; |
2981 | } |
2982 | |
2983 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] |
2984 | // A threadprivate variable must not have a reference type. |
2985 | if (VD->getType()->isReferenceType()) { |
2986 | Diag(ILoc, diag::err_omp_ref_type_arg) |
2987 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); |
2988 | bool IsDecl = |
2989 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
2990 | Diag(VD->getLocation(), |
2991 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
2992 | << VD; |
2993 | continue; |
2994 | } |
2995 | |
2996 | // Check if this is a TLS variable. If TLS is not being supported, produce |
2997 | // the corresponding diagnostic. |
2998 | if ((VD->getTLSKind() != VarDecl::TLS_None && |
2999 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && |
3000 | getLangOpts().OpenMPUseTLS && |
3001 | getASTContext().getTargetInfo().isTLSSupported())) || |
3002 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && |
3003 | !VD->isLocalVarDecl())) { |
3004 | Diag(ILoc, diag::err_omp_var_thread_local) |
3005 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); |
3006 | bool IsDecl = |
3007 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
3008 | Diag(VD->getLocation(), |
3009 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3010 | << VD; |
3011 | continue; |
3012 | } |
3013 | |
3014 | // Check if initial value of threadprivate variable reference variable with |
3015 | // local storage (it is not supported by runtime). |
3016 | if (const Expr *Init = VD->getAnyInitializer()) { |
3017 | LocalVarRefChecker Checker(*this); |
3018 | if (Checker.Visit(Init)) |
3019 | continue; |
3020 | } |
3021 | |
3022 | Vars.push_back(RefExpr); |
3023 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); |
3024 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( |
3025 | Context, SourceRange(Loc, Loc))); |
3026 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
3027 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); |
3028 | } |
3029 | OMPThreadPrivateDecl *D = nullptr; |
3030 | if (!Vars.empty()) { |
3031 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, |
3032 | Vars); |
3033 | D->setAccess(AS_public); |
3034 | } |
3035 | return D; |
3036 | } |
3037 | |
3038 | static OMPAllocateDeclAttr::AllocatorTypeTy |
3039 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { |
3040 | if (!Allocator) |
3041 | return OMPAllocateDeclAttr::OMPNullMemAlloc; |
3042 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || |
3043 | Allocator->isInstantiationDependent() || |
3044 | Allocator->containsUnexpandedParameterPack()) |
3045 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; |
3046 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; |
3047 | const Expr *AE = Allocator->IgnoreParenImpCasts(); |
3048 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
3049 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
3050 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); |
3051 | llvm::FoldingSetNodeID AEId, DAEId; |
3052 | AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); |
3053 | DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); |
3054 | if (AEId == DAEId) { |
3055 | AllocatorKindRes = AllocatorKind; |
3056 | break; |
3057 | } |
3058 | } |
3059 | return AllocatorKindRes; |
3060 | } |
3061 | |
3062 | static bool checkPreviousOMPAllocateAttribute( |
3063 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, |
3064 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { |
3065 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) |
3066 | return false; |
3067 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); |
3068 | Expr *PrevAllocator = A->getAllocator(); |
3069 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = |
3070 | getAllocatorKind(S, Stack, PrevAllocator); |
3071 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; |
3072 | if (AllocatorsMatch && |
3073 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && |
3074 | Allocator && PrevAllocator) { |
3075 | const Expr *AE = Allocator->IgnoreParenImpCasts(); |
3076 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); |
3077 | llvm::FoldingSetNodeID AEId, PAEId; |
3078 | AE->Profile(AEId, S.Context, /*Canonical=*/true); |
3079 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); |
3080 | AllocatorsMatch = AEId == PAEId; |
3081 | } |
3082 | if (!AllocatorsMatch) { |
3083 | SmallString<256> AllocatorBuffer; |
3084 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); |
3085 | if (Allocator) |
3086 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); |
3087 | SmallString<256> PrevAllocatorBuffer; |
3088 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); |
3089 | if (PrevAllocator) |
3090 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, |
3091 | S.getPrintingPolicy()); |
3092 | |
3093 | SourceLocation AllocatorLoc = |
3094 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); |
3095 | SourceRange AllocatorRange = |
3096 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); |
3097 | SourceLocation PrevAllocatorLoc = |
3098 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); |
3099 | SourceRange PrevAllocatorRange = |
3100 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); |
3101 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) |
3102 | << (Allocator ? 1 : 0) << AllocatorStream.str() |
3103 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() |
3104 | << AllocatorRange; |
3105 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) |
3106 | << PrevAllocatorRange; |
3107 | return true; |
3108 | } |
3109 | return false; |
3110 | } |
3111 | |
3112 | static void |
3113 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, |
3114 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, |
3115 | Expr *Allocator, SourceRange SR) { |
3116 | if (VD->hasAttr<OMPAllocateDeclAttr>()) |
3117 | return; |
3118 | if (Allocator && |
3119 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || |
3120 | Allocator->isInstantiationDependent() || |
3121 | Allocator->containsUnexpandedParameterPack())) |
3122 | return; |
3123 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, |
3124 | Allocator, SR); |
3125 | VD->addAttr(A); |
3126 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) |
3127 | ML->DeclarationMarkedOpenMPAllocate(VD, A); |
3128 | } |
3129 | |
3130 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPAllocateDirective( |
3131 | SourceLocation Loc, ArrayRef<Expr *> VarList, |
3132 | ArrayRef<OMPClause *> Clauses, DeclContext *Owner) { |
3133 | assert(Clauses.size() <= 1 && "Expected at most one clause.")(static_cast<void> (0)); |
3134 | Expr *Allocator = nullptr; |
3135 | if (Clauses.empty()) { |
3136 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. |
3137 | // allocate directives that appear in a target region must specify an |
3138 | // allocator clause unless a requires directive with the dynamic_allocators |
3139 | // clause is present in the same compilation unit. |
3140 | if (LangOpts.OpenMPIsDevice && |
3141 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) |
3142 | targetDiag(Loc, diag::err_expected_allocator_clause); |
3143 | } else { |
3144 | Allocator = cast<OMPAllocatorClause>(Clauses.back())->getAllocator(); |
3145 | } |
3146 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = |
3147 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); |
3148 | SmallVector<Expr *, 8> Vars; |
3149 | for (Expr *RefExpr : VarList) { |
3150 | auto *DE = cast<DeclRefExpr>(RefExpr); |
3151 | auto *VD = cast<VarDecl>(DE->getDecl()); |
3152 | |
3153 | // Check if this is a TLS variable or global register. |
3154 | if (VD->getTLSKind() != VarDecl::TLS_None || |
3155 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || |
3156 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && |
3157 | !VD->isLocalVarDecl())) |
3158 | continue; |
3159 | |
3160 | // If the used several times in the allocate directive, the same allocator |
3161 | // must be used. |
3162 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, |
3163 | AllocatorKind, Allocator)) |
3164 | continue; |
3165 | |
3166 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ |
3167 | // If a list item has a static storage type, the allocator expression in the |
3168 | // allocator clause must be a constant expression that evaluates to one of |
3169 | // the predefined memory allocator values. |
3170 | if (Allocator && VD->hasGlobalStorage()) { |
3171 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { |
3172 | Diag(Allocator->getExprLoc(), |
3173 | diag::err_omp_expected_predefined_allocator) |
3174 | << Allocator->getSourceRange(); |
3175 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == |
3176 | VarDecl::DeclarationOnly; |
3177 | Diag(VD->getLocation(), |
3178 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
3179 | << VD; |
3180 | continue; |
3181 | } |
3182 | } |
3183 | |
3184 | Vars.push_back(RefExpr); |
3185 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, |
3186 | DE->getSourceRange()); |
3187 | } |
3188 | if (Vars.empty()) |
3189 | return nullptr; |
3190 | if (!Owner) |
3191 | Owner = getCurLexicalContext(); |
3192 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); |
3193 | D->setAccess(AS_public); |
3194 | Owner->addDecl(D); |
3195 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
3196 | } |
3197 | |
3198 | Sema::DeclGroupPtrTy |
3199 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, |
3200 | ArrayRef<OMPClause *> ClauseList) { |
3201 | OMPRequiresDecl *D = nullptr; |
3202 | if (!CurContext->isFileContext()) { |
3203 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; |
3204 | } else { |
3205 | D = CheckOMPRequiresDecl(Loc, ClauseList); |
3206 | if (D) { |
3207 | CurContext->addDecl(D); |
3208 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); |
3209 | } |
3210 | } |
3211 | return DeclGroupPtrTy::make(DeclGroupRef(D)); |
3212 | } |
3213 | |
3214 | void Sema::ActOnOpenMPAssumesDirective(SourceLocation Loc, |
3215 | OpenMPDirectiveKind DKind, |
3216 | ArrayRef<StringRef> Assumptions, |
3217 | bool SkippedClauses) { |
3218 | if (!SkippedClauses && Assumptions.empty()) |
3219 | Diag(Loc, diag::err_omp_no_clause_for_directive) |
3220 | << llvm::omp::getAllAssumeClauseOptions() |
3221 | << llvm::omp::getOpenMPDirectiveName(DKind); |
3222 | |
3223 | auto *AA = AssumptionAttr::Create(Context, llvm::join(Assumptions, ","), Loc); |
3224 | if (DKind == llvm::omp::Directive::OMPD_begin_assumes) { |
3225 | OMPAssumeScoped.push_back(AA); |
3226 | return; |
3227 | } |
3228 | |
3229 | // Global assumes without assumption clauses are ignored. |
3230 | if (Assumptions.empty()) |
3231 | return; |
3232 | |
3233 | assert(DKind == llvm::omp::Directive::OMPD_assumes &&(static_cast<void> (0)) |
3234 | "Unexpected omp assumption directive!")(static_cast<void> (0)); |
3235 | OMPAssumeGlobal.push_back(AA); |
3236 | |
3237 | // The OMPAssumeGlobal scope above will take care of new declarations but |
3238 | // we also want to apply the assumption to existing ones, e.g., to |
3239 | // declarations in included headers. To this end, we traverse all existing |
3240 | // declaration contexts and annotate function declarations here. |
3241 | SmallVector<DeclContext *, 8> DeclContexts; |
3242 | auto *Ctx = CurContext; |
3243 | while (Ctx->getLexicalParent()) |
3244 | Ctx = Ctx->getLexicalParent(); |
3245 | DeclContexts.push_back(Ctx); |
3246 | while (!DeclContexts.empty()) { |
3247 | DeclContext *DC = DeclContexts.pop_back_val(); |
3248 | for (auto *SubDC : DC->decls()) { |
3249 | if (SubDC->isInvalidDecl()) |
3250 | continue; |
3251 | if (auto *CTD = dyn_cast<ClassTemplateDecl>(SubDC)) { |
3252 | DeclContexts.push_back(CTD->getTemplatedDecl()); |
3253 | for (auto *S : CTD->specializations()) |
3254 | DeclContexts.push_back(S); |
3255 | continue; |
3256 | } |
3257 | if (auto *DC = dyn_cast<DeclContext>(SubDC)) |
3258 | DeclContexts.push_back(DC); |
3259 | if (auto *F = dyn_cast<FunctionDecl>(SubDC)) { |
3260 | F->addAttr(AA); |
3261 | continue; |
3262 | } |
3263 | } |
3264 | } |
3265 | } |
3266 | |
3267 | void Sema::ActOnOpenMPEndAssumesDirective() { |
3268 | assert(isInOpenMPAssumeScope() && "Not in OpenMP assumes scope!")(static_cast<void> (0)); |
3269 | OMPAssumeScoped.pop_back(); |
3270 | } |
3271 | |
3272 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, |
3273 | ArrayRef<OMPClause *> ClauseList) { |
3274 | /// For target specific clauses, the requires directive cannot be |
3275 | /// specified after the handling of any of the target regions in the |
3276 | /// current compilation unit. |
3277 | ArrayRef<SourceLocation> TargetLocations = |
3278 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); |
3279 | SourceLocation AtomicLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAtomicDirectiveLoc(); |
3280 | if (!TargetLocations.empty() || !AtomicLoc.isInvalid()) { |
3281 | for (const OMPClause *CNew : ClauseList) { |
3282 | // Check if any of the requires clauses affect target regions. |
3283 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || |
3284 | isa<OMPUnifiedAddressClause>(CNew) || |
3285 | isa<OMPReverseOffloadClause>(CNew) || |
3286 | isa<OMPDynamicAllocatorsClause>(CNew)) { |
3287 | Diag(Loc, diag::err_omp_directive_before_requires) |
3288 | << "target" << getOpenMPClauseName(CNew->getClauseKind()); |
3289 | for (SourceLocation TargetLoc : TargetLocations) { |
3290 | Diag(TargetLoc, diag::note_omp_requires_encountered_directive) |
3291 | << "target"; |
3292 | } |
3293 | } else if (!AtomicLoc.isInvalid() && |
3294 | isa<OMPAtomicDefaultMemOrderClause>(CNew)) { |
3295 | Diag(Loc, diag::err_omp_directive_before_requires) |
3296 | << "atomic" << getOpenMPClauseName(CNew->getClauseKind()); |
3297 | Diag(AtomicLoc, diag::note_omp_requires_encountered_directive) |
3298 | << "atomic"; |
3299 | } |
3300 | } |
3301 | } |
3302 | |
3303 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) |
3304 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, |
3305 | ClauseList); |
3306 | return nullptr; |
3307 | } |
3308 | |
3309 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, |
3310 | const ValueDecl *D, |
3311 | const DSAStackTy::DSAVarData &DVar, |
3312 | bool IsLoopIterVar) { |
3313 | if (DVar.RefExpr) { |
3314 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) |
3315 | << getOpenMPClauseName(DVar.CKind); |
3316 | return; |
3317 | } |
3318 | enum { |
3319 | PDSA_StaticMemberShared, |
3320 | PDSA_StaticLocalVarShared, |
3321 | PDSA_LoopIterVarPrivate, |
3322 | PDSA_LoopIterVarLinear, |
3323 | PDSA_LoopIterVarLastprivate, |
3324 | PDSA_ConstVarShared, |
3325 | PDSA_GlobalVarShared, |
3326 | PDSA_TaskVarFirstprivate, |
3327 | PDSA_LocalVarPrivate, |
3328 | PDSA_Implicit |
3329 | } Reason = PDSA_Implicit; |
3330 | bool ReportHint = false; |
3331 | auto ReportLoc = D->getLocation(); |
3332 | auto *VD = dyn_cast<VarDecl>(D); |
3333 | if (IsLoopIterVar) { |
3334 | if (DVar.CKind == OMPC_private) |
3335 | Reason = PDSA_LoopIterVarPrivate; |
3336 | else if (DVar.CKind == OMPC_lastprivate) |
3337 | Reason = PDSA_LoopIterVarLastprivate; |
3338 | else |
3339 | Reason = PDSA_LoopIterVarLinear; |
3340 | } else if (isOpenMPTaskingDirective(DVar.DKind) && |
3341 | DVar.CKind == OMPC_firstprivate) { |
3342 | Reason = PDSA_TaskVarFirstprivate; |
3343 | ReportLoc = DVar.ImplicitDSALoc; |
3344 | } else if (VD && VD->isStaticLocal()) |
3345 | Reason = PDSA_StaticLocalVarShared; |
3346 | else if (VD && VD->isStaticDataMember()) |
3347 | Reason = PDSA_StaticMemberShared; |
3348 | else if (VD && VD->isFileVarDecl()) |
3349 | Reason = PDSA_GlobalVarShared; |
3350 | else if (D->getType().isConstant(SemaRef.getASTContext())) |
3351 | Reason = PDSA_ConstVarShared; |
3352 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { |
3353 | ReportHint = true; |
3354 | Reason = PDSA_LocalVarPrivate; |
3355 | } |
3356 | if (Reason != PDSA_Implicit) { |
3357 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) |
3358 | << Reason << ReportHint |
3359 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); |
3360 | } else if (DVar.ImplicitDSALoc.isValid()) { |
3361 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) |
3362 | << getOpenMPClauseName(DVar.CKind); |
3363 | } |
3364 | } |
3365 | |
3366 | static OpenMPMapClauseKind |
3367 | getMapClauseKindFromModifier(OpenMPDefaultmapClauseModifier M, |
3368 | bool IsAggregateOrDeclareTarget) { |
3369 | OpenMPMapClauseKind Kind = OMPC_MAP_unknown; |
3370 | switch (M) { |
3371 | case OMPC_DEFAULTMAP_MODIFIER_alloc: |
3372 | Kind = OMPC_MAP_alloc; |
3373 | break; |
3374 | case OMPC_DEFAULTMAP_MODIFIER_to: |
3375 | Kind = OMPC_MAP_to; |
3376 | break; |
3377 | case OMPC_DEFAULTMAP_MODIFIER_from: |
3378 | Kind = OMPC_MAP_from; |
3379 | break; |
3380 | case OMPC_DEFAULTMAP_MODIFIER_tofrom: |
3381 | Kind = OMPC_MAP_tofrom; |
3382 | break; |
3383 | case OMPC_DEFAULTMAP_MODIFIER_present: |
3384 | // OpenMP 5.1 [2.21.7.3] defaultmap clause, Description] |
3385 | // If implicit-behavior is present, each variable referenced in the |
3386 | // construct in the category specified by variable-category is treated as if |
3387 | // it had been listed in a map clause with the map-type of alloc and |
3388 | // map-type-modifier of present. |
3389 | Kind = OMPC_MAP_alloc; |
3390 | break; |
3391 | case OMPC_DEFAULTMAP_MODIFIER_firstprivate: |
3392 | case OMPC_DEFAULTMAP_MODIFIER_last: |
3393 | llvm_unreachable("Unexpected defaultmap implicit behavior")__builtin_unreachable(); |
3394 | case OMPC_DEFAULTMAP_MODIFIER_none: |
3395 | case OMPC_DEFAULTMAP_MODIFIER_default: |
3396 | case OMPC_DEFAULTMAP_MODIFIER_unknown: |
3397 | // IsAggregateOrDeclareTarget could be true if: |
3398 | // 1. the implicit behavior for aggregate is tofrom |
3399 | // 2. it's a declare target link |
3400 | if (IsAggregateOrDeclareTarget) { |
3401 | Kind = OMPC_MAP_tofrom; |
3402 | break; |
3403 | } |
3404 | llvm_unreachable("Unexpected defaultmap implicit behavior")__builtin_unreachable(); |
3405 | } |
3406 | assert(Kind != OMPC_MAP_unknown && "Expect map kind to be known")(static_cast<void> (0)); |
3407 | return Kind; |
3408 | } |
3409 | |
3410 | namespace { |
3411 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { |
3412 | DSAStackTy *Stack; |
3413 | Sema &SemaRef; |
3414 | bool ErrorFound = false; |
3415 | bool TryCaptureCXXThisMembers = false; |
3416 | CapturedStmt *CS = nullptr; |
3417 | const static unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; |
3418 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; |
3419 | llvm::SmallVector<Expr *, 4> ImplicitMap[DefaultmapKindNum][OMPC_MAP_delete]; |
3420 | llvm::SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> |
3421 | ImplicitMapModifier[DefaultmapKindNum]; |
3422 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; |
3423 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; |
3424 | |
3425 | void VisitSubCaptures(OMPExecutableDirective *S) { |
3426 | // Check implicitly captured variables. |
3427 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) |
3428 | return; |
3429 | if (S->getDirectiveKind() == OMPD_atomic || |
3430 | S->getDirectiveKind() == OMPD_critical || |
3431 | S->getDirectiveKind() == OMPD_section || |
3432 | S->getDirectiveKind() == OMPD_master || |
3433 | S->getDirectiveKind() == OMPD_masked || |
3434 | isOpenMPLoopTransformationDirective(S->getDirectiveKind())) { |
3435 | Visit(S->getAssociatedStmt()); |
3436 | return; |
3437 | } |
3438 | visitSubCaptures(S->getInnermostCapturedStmt()); |
3439 | // Try to capture inner this->member references to generate correct mappings |
3440 | // and diagnostics. |
3441 | if (TryCaptureCXXThisMembers || |
3442 | (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
3443 | llvm::any_of(S->getInnermostCapturedStmt()->captures(), |
3444 | [](const CapturedStmt::Capture &C) { |
3445 | return C.capturesThis(); |
3446 | }))) { |
3447 | bool SavedTryCaptureCXXThisMembers = TryCaptureCXXThisMembers; |
3448 | TryCaptureCXXThisMembers = true; |
3449 | Visit(S->getInnermostCapturedStmt()->getCapturedStmt()); |
3450 | TryCaptureCXXThisMembers = SavedTryCaptureCXXThisMembers; |
3451 | } |
3452 | // In tasks firstprivates are not captured anymore, need to analyze them |
3453 | // explicitly. |
3454 | if (isOpenMPTaskingDirective(S->getDirectiveKind()) && |
3455 | !isOpenMPTaskLoopDirective(S->getDirectiveKind())) { |
3456 | for (OMPClause *C : S->clauses()) |
3457 | if (auto *FC = dyn_cast<OMPFirstprivateClause>(C)) { |
3458 | for (Expr *Ref : FC->varlists()) |
3459 | Visit(Ref); |
3460 | } |
3461 | } |
3462 | } |
3463 | |
3464 | public: |
3465 | void VisitDeclRefExpr(DeclRefExpr *E) { |
3466 | if (TryCaptureCXXThisMembers || E->isTypeDependent() || |
3467 | E->isValueDependent() || E->containsUnexpandedParameterPack() || |
3468 | E->isInstantiationDependent()) |
3469 | return; |
3470 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
3471 | // Check the datasharing rules for the expressions in the clauses. |
3472 | if (!CS) { |
3473 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) |
3474 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { |
3475 | Visit(CED->getInit()); |
3476 | return; |
3477 | } |
3478 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) |
3479 | // Do not analyze internal variables and do not enclose them into |
3480 | // implicit clauses. |
3481 | return; |
3482 | VD = VD->getCanonicalDecl(); |
3483 | // Skip internally declared variables. |
3484 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD) && |
3485 | !Stack->isImplicitTaskFirstprivate(VD)) |
3486 | return; |
3487 | // Skip allocators in uses_allocators clauses. |
3488 | if (Stack->isUsesAllocatorsDecl(VD).hasValue()) |
3489 | return; |
3490 | |
3491 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); |
3492 | // Check if the variable has explicit DSA set and stop analysis if it so. |
3493 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) |
3494 | return; |
3495 | |
3496 | // Skip internally declared static variables. |
3497 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = |
3498 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); |
3499 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && |
3500 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || |
3501 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) && |
3502 | !Stack->isImplicitTaskFirstprivate(VD)) |
3503 | return; |
3504 | |
3505 | SourceLocation ELoc = E->getExprLoc(); |
3506 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); |
3507 | // The default(none) clause requires that each variable that is referenced |
3508 | // in the construct, and does not have a predetermined data-sharing |
3509 | // attribute, must have its data-sharing attribute explicitly determined |
3510 | // by being listed in a data-sharing attribute clause. |
3511 | if (DVar.CKind == OMPC_unknown && |
3512 | (Stack->getDefaultDSA() == DSA_none || |
3513 | Stack->getDefaultDSA() == DSA_firstprivate) && |
3514 | isImplicitOrExplicitTaskingRegion(DKind) && |
3515 | VarsWithInheritedDSA.count(VD) == 0) { |
3516 | bool InheritedDSA = Stack->getDefaultDSA() == DSA_none; |
3517 | if (!InheritedDSA && Stack->getDefaultDSA() == DSA_firstprivate) { |
3518 | DSAStackTy::DSAVarData DVar = |
3519 | Stack->getImplicitDSA(VD, /*FromParent=*/false); |
3520 | InheritedDSA = DVar.CKind == OMPC_unknown; |
3521 | } |
3522 | if (InheritedDSA) |
3523 | VarsWithInheritedDSA[VD] = E; |
3524 | return; |
3525 | } |
3526 | |
3527 | // OpenMP 5.0 [2.19.7.2, defaultmap clause, Description] |
3528 | // If implicit-behavior is none, each variable referenced in the |
3529 | // construct that does not have a predetermined data-sharing attribute |
3530 | // and does not appear in a to or link clause on a declare target |
3531 | // directive must be listed in a data-mapping attribute clause, a |
3532 | // data-haring attribute clause (including a data-sharing attribute |
3533 | // clause on a combined construct where target. is one of the |
3534 | // constituent constructs), or an is_device_ptr clause. |
3535 | OpenMPDefaultmapClauseKind ClauseKind = |
3536 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), VD); |
3537 | if (SemaRef.getLangOpts().OpenMP >= 50) { |
3538 | bool IsModifierNone = Stack->getDefaultmapModifier(ClauseKind) == |
3539 | OMPC_DEFAULTMAP_MODIFIER_none; |
3540 | if (DVar.CKind == OMPC_unknown && IsModifierNone && |
3541 | VarsWithInheritedDSA.count(VD) == 0 && !Res) { |
3542 | // Only check for data-mapping attribute and is_device_ptr here |
3543 | // since we have already make sure that the declaration does not |
3544 | // have a data-sharing attribute above |
3545 | if (!Stack->checkMappableExprComponentListsForDecl( |
3546 | VD, /*CurrentRegionOnly=*/true, |
3547 | [VD](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3548 | MapExprComponents, |
3549 | OpenMPClauseKind) { |
3550 | auto MI = MapExprComponents.rbegin(); |
3551 | auto ME = MapExprComponents.rend(); |
3552 | return MI != ME && MI->getAssociatedDeclaration() == VD; |
3553 | })) { |
3554 | VarsWithInheritedDSA[VD] = E; |
3555 | return; |
3556 | } |
3557 | } |
3558 | } |
3559 | if (SemaRef.getLangOpts().OpenMP > 50) { |
3560 | bool IsModifierPresent = Stack->getDefaultmapModifier(ClauseKind) == |
3561 | OMPC_DEFAULTMAP_MODIFIER_present; |
3562 | if (IsModifierPresent) { |
3563 | if (llvm::find(ImplicitMapModifier[ClauseKind], |
3564 | OMPC_MAP_MODIFIER_present) == |
3565 | std::end(ImplicitMapModifier[ClauseKind])) { |
3566 | ImplicitMapModifier[ClauseKind].push_back( |
3567 | OMPC_MAP_MODIFIER_present); |
3568 | } |
3569 | } |
3570 | } |
3571 | |
3572 | if (isOpenMPTargetExecutionDirective(DKind) && |
3573 | !Stack->isLoopControlVariable(VD).first) { |
3574 | if (!Stack->checkMappableExprComponentListsForDecl( |
3575 | VD, /*CurrentRegionOnly=*/true, |
3576 | [this](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3577 | StackComponents, |
3578 | OpenMPClauseKind) { |
3579 | if (SemaRef.LangOpts.OpenMP >= 50) |
3580 | return !StackComponents.empty(); |
3581 | // Variable is used if it has been marked as an array, array |
3582 | // section, array shaping or the variable iself. |
3583 | return StackComponents.size() == 1 || |
3584 | std::all_of( |
3585 | std::next(StackComponents.rbegin()), |
3586 | StackComponents.rend(), |
3587 | [](const OMPClauseMappableExprCommon:: |
3588 | MappableComponent &MC) { |
3589 | return MC.getAssociatedDeclaration() == |
3590 | nullptr && |
3591 | (isa<OMPArraySectionExpr>( |
3592 | MC.getAssociatedExpression()) || |
3593 | isa<OMPArrayShapingExpr>( |
3594 | MC.getAssociatedExpression()) || |
3595 | isa<ArraySubscriptExpr>( |
3596 | MC.getAssociatedExpression())); |
3597 | }); |
3598 | })) { |
3599 | bool IsFirstprivate = false; |
3600 | // By default lambdas are captured as firstprivates. |
3601 | if (const auto *RD = |
3602 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) |
3603 | IsFirstprivate = RD->isLambda(); |
3604 | IsFirstprivate = |
3605 | IsFirstprivate || (Stack->mustBeFirstprivate(ClauseKind) && !Res); |
3606 | if (IsFirstprivate) { |
3607 | ImplicitFirstprivate.emplace_back(E); |
3608 | } else { |
3609 | OpenMPDefaultmapClauseModifier M = |
3610 | Stack->getDefaultmapModifier(ClauseKind); |
3611 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( |
3612 | M, ClauseKind == OMPC_DEFAULTMAP_aggregate || Res); |
3613 | ImplicitMap[ClauseKind][Kind].emplace_back(E); |
3614 | } |
3615 | return; |
3616 | } |
3617 | } |
3618 | |
3619 | // OpenMP [2.9.3.6, Restrictions, p.2] |
3620 | // A list item that appears in a reduction clause of the innermost |
3621 | // enclosing worksharing or parallel construct may not be accessed in an |
3622 | // explicit task. |
3623 | DVar = Stack->hasInnermostDSA( |
3624 | VD, |
3625 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
3626 | return C == OMPC_reduction && !AppliedToPointee; |
3627 | }, |
3628 | [](OpenMPDirectiveKind K) { |
3629 | return isOpenMPParallelDirective(K) || |
3630 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); |
3631 | }, |
3632 | /*FromParent=*/true); |
3633 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { |
3634 | ErrorFound = true; |
3635 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); |
3636 | reportOriginalDsa(SemaRef, Stack, VD, DVar); |
3637 | return; |
3638 | } |
3639 | |
3640 | // Define implicit data-sharing attributes for task. |
3641 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); |
3642 | if (((isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared) || |
3643 | (Stack->getDefaultDSA() == DSA_firstprivate && |
3644 | DVar.CKind == OMPC_firstprivate && !DVar.RefExpr)) && |
3645 | !Stack->isLoopControlVariable(VD).first) { |
3646 | ImplicitFirstprivate.push_back(E); |
3647 | return; |
3648 | } |
3649 | |
3650 | // Store implicitly used globals with declare target link for parent |
3651 | // target. |
3652 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && |
3653 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { |
3654 | Stack->addToParentTargetRegionLinkGlobals(E); |
3655 | return; |
3656 | } |
3657 | } |
3658 | } |
3659 | void VisitMemberExpr(MemberExpr *E) { |
3660 | if (E->isTypeDependent() || E->isValueDependent() || |
3661 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) |
3662 | return; |
3663 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); |
3664 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); |
3665 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParenCasts())) { |
3666 | if (!FD) |
3667 | return; |
3668 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); |
3669 | // Check if the variable has explicit DSA set and stop analysis if it |
3670 | // so. |
3671 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) |
3672 | return; |
3673 | |
3674 | if (isOpenMPTargetExecutionDirective(DKind) && |
3675 | !Stack->isLoopControlVariable(FD).first && |
3676 | !Stack->checkMappableExprComponentListsForDecl( |
3677 | FD, /*CurrentRegionOnly=*/true, |
3678 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef |
3679 | StackComponents, |
3680 | OpenMPClauseKind) { |
3681 | return isa<CXXThisExpr>( |
3682 | cast<MemberExpr>( |
3683 | StackComponents.back().getAssociatedExpression()) |
3684 | ->getBase() |
3685 | ->IgnoreParens()); |
3686 | })) { |
3687 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] |
3688 | // A bit-field cannot appear in a map clause. |
3689 | // |
3690 | if (FD->isBitField()) |
3691 | return; |
3692 | |
3693 | // Check to see if the member expression is referencing a class that |
3694 | // has already been explicitly mapped |
3695 | if (Stack->isClassPreviouslyMapped(TE->getType())) |
3696 | return; |
3697 | |
3698 | OpenMPDefaultmapClauseModifier Modifier = |
3699 | Stack->getDefaultmapModifier(OMPC_DEFAULTMAP_aggregate); |
3700 | OpenMPDefaultmapClauseKind ClauseKind = |
3701 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), FD); |
3702 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( |
3703 | Modifier, /*IsAggregateOrDeclareTarget*/ true); |
3704 | ImplicitMap[ClauseKind][Kind].emplace_back(E); |
3705 | return; |
3706 | } |
3707 | |
3708 | SourceLocation ELoc = E->getExprLoc(); |
3709 | // OpenMP [2.9.3.6, Restrictions, p.2] |
3710 | // A list item that appears in a reduction clause of the innermost |
3711 | // enclosing worksharing or parallel construct may not be accessed in |
3712 | // an explicit task. |
3713 | DVar = Stack->hasInnermostDSA( |
3714 | FD, |
3715 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
3716 | return C == OMPC_reduction && !AppliedToPointee; |
3717 | }, |
3718 | [](OpenMPDirectiveKind K) { |
3719 | return isOpenMPParallelDirective(K) || |
3720 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); |
3721 | }, |
3722 | /*FromParent=*/true); |
3723 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { |
3724 | ErrorFound = true; |
3725 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); |
3726 | reportOriginalDsa(SemaRef, Stack, FD, DVar); |
3727 | return; |
3728 | } |
3729 | |
3730 | // Define implicit data-sharing attributes for task. |
3731 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); |
3732 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && |
3733 | !Stack->isLoopControlVariable(FD).first) { |
3734 | // Check if there is a captured expression for the current field in the |
3735 | // region. Do not mark it as firstprivate unless there is no captured |
3736 | // expression. |
3737 | // TODO: try to make it firstprivate. |
3738 | if (DVar.CKind != OMPC_unknown) |
3739 | ImplicitFirstprivate.push_back(E); |
3740 | } |
3741 | return; |
3742 | } |
3743 | if (isOpenMPTargetExecutionDirective(DKind)) { |
3744 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; |
3745 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, |
3746 | Stack->getCurrentDirective(), |
3747 | /*NoDiagnose=*/true)) |
3748 | return; |
3749 | const auto *VD = cast<ValueDecl>( |
3750 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); |
3751 | if (!Stack->checkMappableExprComponentListsForDecl( |
3752 | VD, /*CurrentRegionOnly=*/true, |
3753 | [&CurComponents]( |
3754 | OMPClauseMappableExprCommon::MappableExprComponentListRef |
3755 | StackComponents, |
3756 | OpenMPClauseKind) { |
3757 | auto CCI = CurComponents.rbegin(); |
3758 | auto CCE = CurComponents.rend(); |
3759 | for (const auto &SC : llvm::reverse(StackComponents)) { |
3760 | // Do both expressions have the same kind? |
3761 | if (CCI->getAssociatedExpression()->getStmtClass() != |
3762 | SC.getAssociatedExpression()->getStmtClass()) |
3763 | if (!((isa<OMPArraySectionExpr>( |
3764 | SC.getAssociatedExpression()) || |
3765 | isa<OMPArrayShapingExpr>( |
3766 | SC.getAssociatedExpression())) && |
3767 | isa<ArraySubscriptExpr>( |
3768 | CCI->getAssociatedExpression()))) |
3769 | return false; |
3770 | |
3771 | const Decl *CCD = CCI->getAssociatedDeclaration(); |
3772 | const Decl *SCD = SC.getAssociatedDeclaration(); |
3773 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; |
3774 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; |
3775 | if (SCD != CCD) |
3776 | return false; |
3777 | std::advance(CCI, 1); |
3778 | if (CCI == CCE) |
3779 | break; |
3780 | } |
3781 | return true; |
3782 | })) { |
3783 | Visit(E->getBase()); |
3784 | } |
3785 | } else if (!TryCaptureCXXThisMembers) { |
3786 | Visit(E->getBase()); |
3787 | } |
3788 | } |
3789 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { |
3790 | for (OMPClause *C : S->clauses()) { |
3791 | // Skip analysis of arguments of implicitly defined firstprivate clause |
3792 | // for task|target directives. |
3793 | // Skip analysis of arguments of implicitly defined map clause for target |
3794 | // directives. |
3795 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && |
3796 | C->isImplicit() && |
3797 | !isOpenMPTaskingDirective(Stack->getCurrentDirective()))) { |
3798 | for (Stmt *CC : C->children()) { |
3799 | if (CC) |
3800 | Visit(CC); |
3801 | } |
3802 | } |
3803 | } |
3804 | // Check implicitly captured variables. |
3805 | VisitSubCaptures(S); |
3806 | } |
3807 | |
3808 | void VisitOMPTileDirective(OMPTileDirective *S) { |
3809 | // #pragma omp tile does not introduce data sharing. |
3810 | VisitStmt(S); |
3811 | } |
3812 | |
3813 | void VisitOMPUnrollDirective(OMPUnrollDirective *S) { |
3814 | // #pragma omp unroll does not introduce data sharing. |
3815 | VisitStmt(S); |
3816 | } |
3817 | |
3818 | void VisitStmt(Stmt *S) { |
3819 | for (Stmt *C : S->children()) { |
3820 | if (C) { |
3821 | // Check implicitly captured variables in the task-based directives to |
3822 | // check if they must be firstprivatized. |
3823 | Visit(C); |
3824 | } |
3825 | } |
3826 | } |
3827 | |
3828 | void visitSubCaptures(CapturedStmt *S) { |
3829 | for (const CapturedStmt::Capture &Cap : S->captures()) { |
3830 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) |
3831 | continue; |
3832 | VarDecl *VD = Cap.getCapturedVar(); |
3833 | // Do not try to map the variable if it or its sub-component was mapped |
3834 | // already. |
3835 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
3836 | Stack->checkMappableExprComponentListsForDecl( |
3837 | VD, /*CurrentRegionOnly=*/true, |
3838 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
3839 | OpenMPClauseKind) { return true; })) |
3840 | continue; |
3841 | DeclRefExpr *DRE = buildDeclRefExpr( |
3842 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), |
3843 | Cap.getLocation(), /*RefersToCapture=*/true); |
3844 | Visit(DRE); |
3845 | } |
3846 | } |
3847 | bool isErrorFound() const { return ErrorFound; } |
3848 | ArrayRef<Expr *> getImplicitFirstprivate() const { |
3849 | return ImplicitFirstprivate; |
3850 | } |
3851 | ArrayRef<Expr *> getImplicitMap(OpenMPDefaultmapClauseKind DK, |
3852 | OpenMPMapClauseKind MK) const { |
3853 | return ImplicitMap[DK][MK]; |
3854 | } |
3855 | ArrayRef<OpenMPMapModifierKind> |
3856 | getImplicitMapModifier(OpenMPDefaultmapClauseKind Kind) const { |
3857 | return ImplicitMapModifier[Kind]; |
3858 | } |
3859 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { |
3860 | return VarsWithInheritedDSA; |
3861 | } |
3862 | |
3863 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) |
3864 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { |
3865 | // Process declare target link variables for the target directives. |
3866 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { |
3867 | for (DeclRefExpr *E : Stack->getLinkGlobals()) |
3868 | Visit(E); |
3869 | } |
3870 | } |
3871 | }; |
3872 | } // namespace |
3873 | |
3874 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { |
3875 | switch (DKind) { |
3876 | case OMPD_parallel: |
3877 | case OMPD_parallel_for: |
3878 | case OMPD_parallel_for_simd: |
3879 | case OMPD_parallel_sections: |
3880 | case OMPD_parallel_master: |
3881 | case OMPD_teams: |
3882 | case OMPD_teams_distribute: |
3883 | case OMPD_teams_distribute_simd: { |
3884 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
3885 | QualType KmpInt32PtrTy = |
3886 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
3887 | Sema::CapturedParamNameType Params[] = { |
3888 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
3889 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
3890 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3891 | }; |
3892 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3893 | Params); |
3894 | break; |
3895 | } |
3896 | case OMPD_target_teams: |
3897 | case OMPD_target_parallel: |
3898 | case OMPD_target_parallel_for: |
3899 | case OMPD_target_parallel_for_simd: |
3900 | case OMPD_target_teams_distribute: |
3901 | case OMPD_target_teams_distribute_simd: { |
3902 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
3903 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
3904 | QualType KmpInt32PtrTy = |
3905 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
3906 | QualType Args[] = {VoidPtrTy}; |
3907 | FunctionProtoType::ExtProtoInfo EPI; |
3908 | EPI.Variadic = true; |
3909 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
3910 | Sema::CapturedParamNameType Params[] = { |
3911 | std::make_pair(".global_tid.", KmpInt32Ty), |
3912 | std::make_pair(".part_id.", KmpInt32PtrTy), |
3913 | std::make_pair(".privates.", VoidPtrTy), |
3914 | std::make_pair( |
3915 | ".copy_fn.", |
3916 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
3917 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
3918 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3919 | }; |
3920 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3921 | Params, /*OpenMPCaptureLevel=*/0); |
3922 | // Mark this captured region as inlined, because we don't use outlined |
3923 | // function directly. |
3924 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
3925 | AlwaysInlineAttr::CreateImplicit( |
3926 | Context, {}, AttributeCommonInfo::AS_Keyword, |
3927 | AlwaysInlineAttr::Keyword_forceinline)); |
3928 | Sema::CapturedParamNameType ParamsTarget[] = { |
3929 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3930 | }; |
3931 | // Start a captured region for 'target' with no implicit parameters. |
3932 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3933 | ParamsTarget, /*OpenMPCaptureLevel=*/1); |
3934 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { |
3935 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
3936 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
3937 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3938 | }; |
3939 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
3940 | // the same implicit parameters. |
3941 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3942 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); |
3943 | break; |
3944 | } |
3945 | case OMPD_target: |
3946 | case OMPD_target_simd: { |
3947 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
3948 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
3949 | QualType KmpInt32PtrTy = |
3950 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
3951 | QualType Args[] = {VoidPtrTy}; |
3952 | FunctionProtoType::ExtProtoInfo EPI; |
3953 | EPI.Variadic = true; |
3954 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
3955 | Sema::CapturedParamNameType Params[] = { |
3956 | std::make_pair(".global_tid.", KmpInt32Ty), |
3957 | std::make_pair(".part_id.", KmpInt32PtrTy), |
3958 | std::make_pair(".privates.", VoidPtrTy), |
3959 | std::make_pair( |
3960 | ".copy_fn.", |
3961 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
3962 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
3963 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3964 | }; |
3965 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3966 | Params, /*OpenMPCaptureLevel=*/0); |
3967 | // Mark this captured region as inlined, because we don't use outlined |
3968 | // function directly. |
3969 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
3970 | AlwaysInlineAttr::CreateImplicit( |
3971 | Context, {}, AttributeCommonInfo::AS_Keyword, |
3972 | AlwaysInlineAttr::Keyword_forceinline)); |
3973 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
3974 | std::make_pair(StringRef(), QualType()), |
3975 | /*OpenMPCaptureLevel=*/1); |
3976 | break; |
3977 | } |
3978 | case OMPD_atomic: |
3979 | case OMPD_critical: |
3980 | case OMPD_section: |
3981 | case OMPD_master: |
3982 | case OMPD_masked: |
3983 | case OMPD_tile: |
3984 | case OMPD_unroll: |
3985 | break; |
3986 | case OMPD_simd: |
3987 | case OMPD_for: |
3988 | case OMPD_for_simd: |
3989 | case OMPD_sections: |
3990 | case OMPD_single: |
3991 | case OMPD_taskgroup: |
3992 | case OMPD_distribute: |
3993 | case OMPD_distribute_simd: |
3994 | case OMPD_ordered: |
3995 | case OMPD_target_data: |
3996 | case OMPD_dispatch: { |
3997 | Sema::CapturedParamNameType Params[] = { |
3998 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
3999 | }; |
4000 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4001 | Params); |
4002 | break; |
4003 | } |
4004 | case OMPD_task: { |
4005 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4006 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4007 | QualType KmpInt32PtrTy = |
4008 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4009 | QualType Args[] = {VoidPtrTy}; |
4010 | FunctionProtoType::ExtProtoInfo EPI; |
4011 | EPI.Variadic = true; |
4012 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4013 | Sema::CapturedParamNameType Params[] = { |
4014 | std::make_pair(".global_tid.", KmpInt32Ty), |
4015 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4016 | std::make_pair(".privates.", VoidPtrTy), |
4017 | std::make_pair( |
4018 | ".copy_fn.", |
4019 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4020 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4021 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4022 | }; |
4023 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4024 | Params); |
4025 | // Mark this captured region as inlined, because we don't use outlined |
4026 | // function directly. |
4027 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4028 | AlwaysInlineAttr::CreateImplicit( |
4029 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4030 | AlwaysInlineAttr::Keyword_forceinline)); |
4031 | break; |
4032 | } |
4033 | case OMPD_taskloop: |
4034 | case OMPD_taskloop_simd: |
4035 | case OMPD_master_taskloop: |
4036 | case OMPD_master_taskloop_simd: { |
4037 | QualType KmpInt32Ty = |
4038 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) |
4039 | .withConst(); |
4040 | QualType KmpUInt64Ty = |
4041 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) |
4042 | .withConst(); |
4043 | QualType KmpInt64Ty = |
4044 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) |
4045 | .withConst(); |
4046 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4047 | QualType KmpInt32PtrTy = |
4048 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4049 | QualType Args[] = {VoidPtrTy}; |
4050 | FunctionProtoType::ExtProtoInfo EPI; |
4051 | EPI.Variadic = true; |
4052 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4053 | Sema::CapturedParamNameType Params[] = { |
4054 | std::make_pair(".global_tid.", KmpInt32Ty), |
4055 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4056 | std::make_pair(".privates.", VoidPtrTy), |
4057 | std::make_pair( |
4058 | ".copy_fn.", |
4059 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4060 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4061 | std::make_pair(".lb.", KmpUInt64Ty), |
4062 | std::make_pair(".ub.", KmpUInt64Ty), |
4063 | std::make_pair(".st.", KmpInt64Ty), |
4064 | std::make_pair(".liter.", KmpInt32Ty), |
4065 | std::make_pair(".reductions.", VoidPtrTy), |
4066 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4067 | }; |
4068 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4069 | Params); |
4070 | // Mark this captured region as inlined, because we don't use outlined |
4071 | // function directly. |
4072 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4073 | AlwaysInlineAttr::CreateImplicit( |
4074 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4075 | AlwaysInlineAttr::Keyword_forceinline)); |
4076 | break; |
4077 | } |
4078 | case OMPD_parallel_master_taskloop: |
4079 | case OMPD_parallel_master_taskloop_simd: { |
4080 | QualType KmpInt32Ty = |
4081 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) |
4082 | .withConst(); |
4083 | QualType KmpUInt64Ty = |
4084 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) |
4085 | .withConst(); |
4086 | QualType KmpInt64Ty = |
4087 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) |
4088 | .withConst(); |
4089 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4090 | QualType KmpInt32PtrTy = |
4091 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4092 | Sema::CapturedParamNameType ParamsParallel[] = { |
4093 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4094 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4095 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4096 | }; |
4097 | // Start a captured region for 'parallel'. |
4098 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4099 | ParamsParallel, /*OpenMPCaptureLevel=*/0); |
4100 | QualType Args[] = {VoidPtrTy}; |
4101 | FunctionProtoType::ExtProtoInfo EPI; |
4102 | EPI.Variadic = true; |
4103 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4104 | Sema::CapturedParamNameType Params[] = { |
4105 | std::make_pair(".global_tid.", KmpInt32Ty), |
4106 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4107 | std::make_pair(".privates.", VoidPtrTy), |
4108 | std::make_pair( |
4109 | ".copy_fn.", |
4110 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4111 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4112 | std::make_pair(".lb.", KmpUInt64Ty), |
4113 | std::make_pair(".ub.", KmpUInt64Ty), |
4114 | std::make_pair(".st.", KmpInt64Ty), |
4115 | std::make_pair(".liter.", KmpInt32Ty), |
4116 | std::make_pair(".reductions.", VoidPtrTy), |
4117 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4118 | }; |
4119 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4120 | Params, /*OpenMPCaptureLevel=*/1); |
4121 | // Mark this captured region as inlined, because we don't use outlined |
4122 | // function directly. |
4123 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4124 | AlwaysInlineAttr::CreateImplicit( |
4125 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4126 | AlwaysInlineAttr::Keyword_forceinline)); |
4127 | break; |
4128 | } |
4129 | case OMPD_distribute_parallel_for_simd: |
4130 | case OMPD_distribute_parallel_for: { |
4131 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4132 | QualType KmpInt32PtrTy = |
4133 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4134 | Sema::CapturedParamNameType Params[] = { |
4135 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4136 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4137 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4138 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4139 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4140 | }; |
4141 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4142 | Params); |
4143 | break; |
4144 | } |
4145 | case OMPD_target_teams_distribute_parallel_for: |
4146 | case OMPD_target_teams_distribute_parallel_for_simd: { |
4147 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4148 | QualType KmpInt32PtrTy = |
4149 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4150 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4151 | |
4152 | QualType Args[] = {VoidPtrTy}; |
4153 | FunctionProtoType::ExtProtoInfo EPI; |
4154 | EPI.Variadic = true; |
4155 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4156 | Sema::CapturedParamNameType Params[] = { |
4157 | std::make_pair(".global_tid.", KmpInt32Ty), |
4158 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4159 | std::make_pair(".privates.", VoidPtrTy), |
4160 | std::make_pair( |
4161 | ".copy_fn.", |
4162 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4163 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4164 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4165 | }; |
4166 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4167 | Params, /*OpenMPCaptureLevel=*/0); |
4168 | // Mark this captured region as inlined, because we don't use outlined |
4169 | // function directly. |
4170 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4171 | AlwaysInlineAttr::CreateImplicit( |
4172 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4173 | AlwaysInlineAttr::Keyword_forceinline)); |
4174 | Sema::CapturedParamNameType ParamsTarget[] = { |
4175 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4176 | }; |
4177 | // Start a captured region for 'target' with no implicit parameters. |
4178 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4179 | ParamsTarget, /*OpenMPCaptureLevel=*/1); |
4180 | |
4181 | Sema::CapturedParamNameType ParamsTeams[] = { |
4182 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4183 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4184 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4185 | }; |
4186 | // Start a captured region for 'target' with no implicit parameters. |
4187 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4188 | ParamsTeams, /*OpenMPCaptureLevel=*/2); |
4189 | |
4190 | Sema::CapturedParamNameType ParamsParallel[] = { |
4191 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4192 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4193 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4194 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4195 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4196 | }; |
4197 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4198 | // the same implicit parameters. |
4199 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4200 | ParamsParallel, /*OpenMPCaptureLevel=*/3); |
4201 | break; |
4202 | } |
4203 | |
4204 | case OMPD_teams_distribute_parallel_for: |
4205 | case OMPD_teams_distribute_parallel_for_simd: { |
4206 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4207 | QualType KmpInt32PtrTy = |
4208 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4209 | |
4210 | Sema::CapturedParamNameType ParamsTeams[] = { |
4211 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4212 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4213 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4214 | }; |
4215 | // Start a captured region for 'target' with no implicit parameters. |
4216 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4217 | ParamsTeams, /*OpenMPCaptureLevel=*/0); |
4218 | |
4219 | Sema::CapturedParamNameType ParamsParallel[] = { |
4220 | std::make_pair(".global_tid.", KmpInt32PtrTy), |
4221 | std::make_pair(".bound_tid.", KmpInt32PtrTy), |
4222 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), |
4223 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), |
4224 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4225 | }; |
4226 | // Start a captured region for 'teams' or 'parallel'. Both regions have |
4227 | // the same implicit parameters. |
4228 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4229 | ParamsParallel, /*OpenMPCaptureLevel=*/1); |
4230 | break; |
4231 | } |
4232 | case OMPD_target_update: |
4233 | case OMPD_target_enter_data: |
4234 | case OMPD_target_exit_data: { |
4235 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); |
4236 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); |
4237 | QualType KmpInt32PtrTy = |
4238 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); |
4239 | QualType Args[] = {VoidPtrTy}; |
4240 | FunctionProtoType::ExtProtoInfo EPI; |
4241 | EPI.Variadic = true; |
4242 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); |
4243 | Sema::CapturedParamNameType Params[] = { |
4244 | std::make_pair(".global_tid.", KmpInt32Ty), |
4245 | std::make_pair(".part_id.", KmpInt32PtrTy), |
4246 | std::make_pair(".privates.", VoidPtrTy), |
4247 | std::make_pair( |
4248 | ".copy_fn.", |
4249 | Context.getPointerType(CopyFnType).withConst().withRestrict()), |
4250 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), |
4251 | std::make_pair(StringRef(), QualType()) // __context with shared vars |
4252 | }; |
4253 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, |
4254 | Params); |
4255 | // Mark this captured region as inlined, because we don't use outlined |
4256 | // function directly. |
4257 | getCurCapturedRegion()->TheCapturedDecl->addAttr( |
4258 | AlwaysInlineAttr::CreateImplicit( |
4259 | Context, {}, AttributeCommonInfo::AS_Keyword, |
4260 | AlwaysInlineAttr::Keyword_forceinline)); |
4261 | break; |
4262 | } |
4263 | case OMPD_threadprivate: |
4264 | case OMPD_allocate: |
4265 | case OMPD_taskyield: |
4266 | case OMPD_barrier: |
4267 | case OMPD_taskwait: |
4268 | case OMPD_cancellation_point: |
4269 | case OMPD_cancel: |
4270 | case OMPD_flush: |
4271 | case OMPD_depobj: |
4272 | case OMPD_scan: |
4273 | case OMPD_declare_reduction: |
4274 | case OMPD_declare_mapper: |
4275 | case OMPD_declare_simd: |
4276 | case OMPD_declare_target: |
4277 | case OMPD_end_declare_target: |
4278 | case OMPD_requires: |
4279 | case OMPD_declare_variant: |
4280 | case OMPD_begin_declare_variant: |
4281 | case OMPD_end_declare_variant: |
4282 | llvm_unreachable("OpenMP Directive is not allowed")__builtin_unreachable(); |
4283 | case OMPD_unknown: |
4284 | default: |
4285 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
4286 | } |
4287 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setContext(CurContext); |
4288 | } |
4289 | |
4290 | int Sema::getNumberOfConstructScopes(unsigned Level) const { |
4291 | return getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); |
4292 | } |
4293 | |
4294 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { |
4295 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
4296 | getOpenMPCaptureRegions(CaptureRegions, DKind); |
4297 | return CaptureRegions.size(); |
4298 | } |
4299 | |
4300 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, |
4301 | Expr *CaptureExpr, bool WithInit, |
4302 | bool AsExpression) { |
4303 | assert(CaptureExpr)(static_cast<void> (0)); |
4304 | ASTContext &C = S.getASTContext(); |
4305 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); |
4306 | QualType Ty = Init->getType(); |
4307 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { |
4308 | if (S.getLangOpts().CPlusPlus) { |
4309 | Ty = C.getLValueReferenceType(Ty); |
4310 | } else { |
4311 | Ty = C.getPointerType(Ty); |
4312 | ExprResult Res = |
4313 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); |
4314 | if (!Res.isUsable()) |
4315 | return nullptr; |
4316 | Init = Res.get(); |
4317 | } |
4318 | WithInit = true; |
4319 | } |
4320 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, |
4321 | CaptureExpr->getBeginLoc()); |
4322 | if (!WithInit) |
4323 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); |
4324 | S.CurContext->addHiddenDecl(CED); |
4325 | Sema::TentativeAnalysisScope Trap(S); |
4326 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); |
4327 | return CED; |
4328 | } |
4329 | |
4330 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, |
4331 | bool WithInit) { |
4332 | OMPCapturedExprDecl *CD; |
4333 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) |
4334 | CD = cast<OMPCapturedExprDecl>(VD); |
4335 | else |
4336 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, |
4337 | /*AsExpression=*/false); |
4338 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), |
4339 | CaptureExpr->getExprLoc()); |
4340 | } |
4341 | |
4342 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { |
4343 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); |
4344 | if (!Ref) { |
4345 | OMPCapturedExprDecl *CD = buildCaptureDecl( |
4346 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, |
4347 | /*WithInit=*/true, /*AsExpression=*/true); |
4348 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), |
4349 | CaptureExpr->getExprLoc()); |
4350 | } |
4351 | ExprResult Res = Ref; |
4352 | if (!S.getLangOpts().CPlusPlus && |
4353 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && |
4354 | Ref->getType()->isPointerType()) { |
4355 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); |
4356 | if (!Res.isUsable()) |
4357 | return ExprError(); |
4358 | } |
4359 | return S.DefaultLvalueConversion(Res.get()); |
4360 | } |
4361 | |
4362 | namespace { |
4363 | // OpenMP directives parsed in this section are represented as a |
4364 | // CapturedStatement with an associated statement. If a syntax error |
4365 | // is detected during the parsing of the associated statement, the |
4366 | // compiler must abort processing and close the CapturedStatement. |
4367 | // |
4368 | // Combined directives such as 'target parallel' have more than one |
4369 | // nested CapturedStatements. This RAII ensures that we unwind out |
4370 | // of all the nested CapturedStatements when an error is found. |
4371 | class CaptureRegionUnwinderRAII { |
4372 | private: |
4373 | Sema &S; |
4374 | bool &ErrorFound; |
4375 | OpenMPDirectiveKind DKind = OMPD_unknown; |
4376 | |
4377 | public: |
4378 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, |
4379 | OpenMPDirectiveKind DKind) |
4380 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} |
4381 | ~CaptureRegionUnwinderRAII() { |
4382 | if (ErrorFound) { |
4383 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); |
4384 | while (--ThisCaptureLevel >= 0) |
4385 | S.ActOnCapturedRegionError(); |
4386 | } |
4387 | } |
4388 | }; |
4389 | } // namespace |
4390 | |
4391 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { |
4392 | // Capture variables captured by reference in lambdas for target-based |
4393 | // directives. |
4394 | if (!CurContext->isDependentContext() && |
4395 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || |
4396 | isOpenMPTargetDataManagementDirective( |
4397 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { |
4398 | QualType Type = V->getType(); |
4399 | if (const auto *RD = Type.getCanonicalType() |
4400 | .getNonReferenceType() |
4401 | ->getAsCXXRecordDecl()) { |
4402 | bool SavedForceCaptureByReferenceInTargetExecutable = |
4403 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); |
4404 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( |
4405 | /*V=*/true); |
4406 | if (RD->isLambda()) { |
4407 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; |
4408 | FieldDecl *ThisCapture; |
4409 | RD->getCaptureFields(Captures, ThisCapture); |
4410 | for (const LambdaCapture &LC : RD->captures()) { |
4411 | if (LC.getCaptureKind() == LCK_ByRef) { |
4412 | VarDecl *VD = LC.getCapturedVar(); |
4413 | DeclContext *VDC = VD->getDeclContext(); |
4414 | if (!VDC->Encloses(CurContext)) |
4415 | continue; |
4416 | MarkVariableReferenced(LC.getLocation(), VD); |
4417 | } else if (LC.getCaptureKind() == LCK_This) { |
4418 | QualType ThisTy = getCurrentThisType(); |
4419 | if (!ThisTy.isNull() && |
4420 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) |
4421 | CheckCXXThisCapture(LC.getLocation()); |
4422 | } |
4423 | } |
4424 | } |
4425 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( |
4426 | SavedForceCaptureByReferenceInTargetExecutable); |
4427 | } |
4428 | } |
4429 | } |
4430 | |
4431 | static bool checkOrderedOrderSpecified(Sema &S, |
4432 | const ArrayRef<OMPClause *> Clauses) { |
4433 | const OMPOrderedClause *Ordered = nullptr; |
4434 | const OMPOrderClause *Order = nullptr; |
4435 | |
4436 | for (const OMPClause *Clause : Clauses) { |
4437 | if (Clause->getClauseKind() == OMPC_ordered) |
4438 | Ordered = cast<OMPOrderedClause>(Clause); |
4439 | else if (Clause->getClauseKind() == OMPC_order) { |
4440 | Order = cast<OMPOrderClause>(Clause); |
4441 | if (Order->getKind() != OMPC_ORDER_concurrent) |
4442 | Order = nullptr; |
4443 | } |
4444 | if (Ordered && Order) |
4445 | break; |
4446 | } |
4447 | |
4448 | if (Ordered && Order) { |
4449 | S.Diag(Order->getKindKwLoc(), |
4450 | diag::err_omp_simple_clause_incompatible_with_ordered) |
4451 | << getOpenMPClauseName(OMPC_order) |
4452 | << getOpenMPSimpleClauseTypeName(OMPC_order, OMPC_ORDER_concurrent) |
4453 | << SourceRange(Order->getBeginLoc(), Order->getEndLoc()); |
4454 | S.Diag(Ordered->getBeginLoc(), diag::note_omp_ordered_param) |
4455 | << 0 << SourceRange(Ordered->getBeginLoc(), Ordered->getEndLoc()); |
4456 | return true; |
4457 | } |
4458 | return false; |
4459 | } |
4460 | |
4461 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, |
4462 | ArrayRef<OMPClause *> Clauses) { |
4463 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_atomic || |
4464 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_critical || |
4465 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_section || |
4466 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_master || |
4467 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_masked) |
4468 | return S; |
4469 | |
4470 | bool ErrorFound = false; |
4471 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( |
4472 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4473 | if (!S.isUsable()) { |
4474 | ErrorFound = true; |
Value stored to 'ErrorFound' is never read | |
4475 | return StmtError(); |
4476 | } |
4477 | |
4478 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
4479 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4480 | OMPOrderedClause *OC = nullptr; |
4481 | OMPScheduleClause *SC = nullptr; |
4482 | SmallVector<const OMPLinearClause *, 4> LCs; |
4483 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; |
4484 | // This is required for proper codegen. |
4485 | for (OMPClause *Clause : Clauses) { |
4486 | if (!LangOpts.OpenMPSimd && |
4487 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
4488 | Clause->getClauseKind() == OMPC_in_reduction) { |
4489 | // Capture taskgroup task_reduction descriptors inside the tasking regions |
4490 | // with the corresponding in_reduction items. |
4491 | auto *IRC = cast<OMPInReductionClause>(Clause); |
4492 | for (Expr *E : IRC->taskgroup_descriptors()) |
4493 | if (E) |
4494 | MarkDeclarationsReferencedInExpr(E); |
4495 | } |
4496 | if (isOpenMPPrivate(Clause->getClauseKind()) || |
4497 | Clause->getClauseKind() == OMPC_copyprivate || |
4498 | (getLangOpts().OpenMPUseTLS && |
4499 | getASTContext().getTargetInfo().isTLSSupported() && |
4500 | Clause->getClauseKind() == OMPC_copyin)) { |
4501 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); |
4502 | // Mark all variables in private list clauses as used in inner region. |
4503 | for (Stmt *VarRef : Clause->children()) { |
4504 | if (auto *E = cast_or_null<Expr>(VarRef)) { |
4505 | MarkDeclarationsReferencedInExpr(E); |
4506 | } |
4507 | } |
4508 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); |
4509 | } else if (isOpenMPLoopTransformationDirective( |
4510 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
4511 | assert(CaptureRegions.empty() &&(static_cast<void> (0)) |
4512 | "No captured regions in loop transformation directives.")(static_cast<void> (0)); |
4513 | } else if (CaptureRegions.size() > 1 || |
4514 | CaptureRegions.back() != OMPD_unknown) { |
4515 | if (auto *C = OMPClauseWithPreInit::get(Clause)) |
4516 | PICs.push_back(C); |
4517 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { |
4518 | if (Expr *E = C->getPostUpdateExpr()) |
4519 | MarkDeclarationsReferencedInExpr(E); |
4520 | } |
4521 | } |
4522 | if (Clause->getClauseKind() == OMPC_schedule) |
4523 | SC = cast<OMPScheduleClause>(Clause); |
4524 | else if (Clause->getClauseKind() == OMPC_ordered) |
4525 | OC = cast<OMPOrderedClause>(Clause); |
4526 | else if (Clause->getClauseKind() == OMPC_linear) |
4527 | LCs.push_back(cast<OMPLinearClause>(Clause)); |
4528 | } |
4529 | // Capture allocator expressions if used. |
4530 | for (Expr *E : DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerAllocators()) |
4531 | MarkDeclarationsReferencedInExpr(E); |
4532 | // OpenMP, 2.7.1 Loop Construct, Restrictions |
4533 | // The nonmonotonic modifier cannot be specified if an ordered clause is |
4534 | // specified. |
4535 | if (SC && |
4536 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || |
4537 | SC->getSecondScheduleModifier() == |
4538 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && |
4539 | OC) { |
4540 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic |
4541 | ? SC->getFirstScheduleModifierLoc() |
4542 | : SC->getSecondScheduleModifierLoc(), |
4543 | diag::err_omp_simple_clause_incompatible_with_ordered) |
4544 | << getOpenMPClauseName(OMPC_schedule) |
4545 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, |
4546 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) |
4547 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); |
4548 | ErrorFound = true; |
4549 | } |
4550 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Restrictions. |
4551 | // If an order(concurrent) clause is present, an ordered clause may not appear |
4552 | // on the same directive. |
4553 | if (checkOrderedOrderSpecified(*this, Clauses)) |
4554 | ErrorFound = true; |
4555 | if (!LCs.empty() && OC && OC->getNumForLoops()) { |
4556 | for (const OMPLinearClause *C : LCs) { |
4557 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) |
4558 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); |
4559 | } |
4560 | ErrorFound = true; |
4561 | } |
4562 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && |
4563 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && |
4564 | OC->getNumForLoops()) { |
4565 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) |
4566 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
4567 | ErrorFound = true; |
4568 | } |
4569 | if (ErrorFound) { |
4570 | return StmtError(); |
4571 | } |
4572 | StmtResult SR = S; |
4573 | unsigned CompletedRegions = 0; |
4574 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { |
4575 | // Mark all variables in private list clauses as used in inner region. |
4576 | // Required for proper codegen of combined directives. |
4577 | // TODO: add processing for other clauses. |
4578 | if (ThisCaptureRegion != OMPD_unknown) { |
4579 | for (const clang::OMPClauseWithPreInit *C : PICs) { |
4580 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); |
4581 | // Find the particular capture region for the clause if the |
4582 | // directive is a combined one with multiple capture regions. |
4583 | // If the directive is not a combined one, the capture region |
4584 | // associated with the clause is OMPD_unknown and is generated |
4585 | // only once. |
4586 | if (CaptureRegion == ThisCaptureRegion || |
4587 | CaptureRegion == OMPD_unknown) { |
4588 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { |
4589 | for (Decl *D : DS->decls()) |
4590 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); |
4591 | } |
4592 | } |
4593 | } |
4594 | } |
4595 | if (ThisCaptureRegion == OMPD_target) { |
4596 | // Capture allocator traits in the target region. They are used implicitly |
4597 | // and, thus, are not captured by default. |
4598 | for (OMPClause *C : Clauses) { |
4599 | if (const auto *UAC = dyn_cast<OMPUsesAllocatorsClause>(C)) { |
4600 | for (unsigned I = 0, End = UAC->getNumberOfAllocators(); I < End; |
4601 | ++I) { |
4602 | OMPUsesAllocatorsClause::Data D = UAC->getAllocatorData(I); |
4603 | if (Expr *E = D.AllocatorTraits) |
4604 | MarkDeclarationsReferencedInExpr(E); |
4605 | } |
4606 | continue; |
4607 | } |
4608 | } |
4609 | } |
4610 | if (ThisCaptureRegion == OMPD_parallel) { |
4611 | // Capture temp arrays for inscan reductions and locals in aligned |
4612 | // clauses. |
4613 | for (OMPClause *C : Clauses) { |
4614 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) { |
4615 | if (RC->getModifier() != OMPC_REDUCTION_inscan) |
4616 | continue; |
4617 | for (Expr *E : RC->copy_array_temps()) |
4618 | MarkDeclarationsReferencedInExpr(E); |
4619 | } |
4620 | if (auto *AC = dyn_cast<OMPAlignedClause>(C)) { |
4621 | for (Expr *E : AC->varlists()) |
4622 | MarkDeclarationsReferencedInExpr(E); |
4623 | } |
4624 | } |
4625 | } |
4626 | if (++CompletedRegions == CaptureRegions.size()) |
4627 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); |
4628 | SR = ActOnCapturedRegionEnd(SR.get()); |
4629 | } |
4630 | return SR; |
4631 | } |
4632 | |
4633 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, |
4634 | OpenMPDirectiveKind CancelRegion, |
4635 | SourceLocation StartLoc) { |
4636 | // CancelRegion is only needed for cancel and cancellation_point. |
4637 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) |
4638 | return false; |
4639 | |
4640 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || |
4641 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) |
4642 | return false; |
4643 | |
4644 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) |
4645 | << getOpenMPDirectiveName(CancelRegion); |
4646 | return true; |
4647 | } |
4648 | |
4649 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, |
4650 | OpenMPDirectiveKind CurrentRegion, |
4651 | const DeclarationNameInfo &CurrentName, |
4652 | OpenMPDirectiveKind CancelRegion, |
4653 | SourceLocation StartLoc) { |
4654 | if (Stack->getCurScope()) { |
4655 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); |
4656 | OpenMPDirectiveKind OffendingRegion = ParentRegion; |
4657 | bool NestingProhibited = false; |
4658 | bool CloseNesting = true; |
4659 | bool OrphanSeen = false; |
4660 | enum { |
4661 | NoRecommend, |
4662 | ShouldBeInParallelRegion, |
4663 | ShouldBeInOrderedRegion, |
4664 | ShouldBeInTargetRegion, |
4665 | ShouldBeInTeamsRegion, |
4666 | ShouldBeInLoopSimdRegion, |
4667 | } Recommend = NoRecommend; |
4668 | if (isOpenMPSimdDirective(ParentRegion) && |
4669 | ((SemaRef.LangOpts.OpenMP <= 45 && CurrentRegion != OMPD_ordered) || |
4670 | (SemaRef.LangOpts.OpenMP >= 50 && CurrentRegion != OMPD_ordered && |
4671 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_atomic && |
4672 | CurrentRegion != OMPD_scan))) { |
4673 | // OpenMP [2.16, Nesting of Regions] |
4674 | // OpenMP constructs may not be nested inside a simd region. |
4675 | // OpenMP [2.8.1,simd Construct, Restrictions] |
4676 | // An ordered construct with the simd clause is the only OpenMP |
4677 | // construct that can appear in the simd region. |
4678 | // Allowing a SIMD construct nested in another SIMD construct is an |
4679 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning |
4680 | // message. |
4681 | // OpenMP 5.0 [2.9.3.1, simd Construct, Restrictions] |
4682 | // The only OpenMP constructs that can be encountered during execution of |
4683 | // a simd region are the atomic construct, the loop construct, the simd |
4684 | // construct and the ordered construct with the simd clause. |
4685 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) |
4686 | ? diag::err_omp_prohibited_region_simd |
4687 | : diag::warn_omp_nesting_simd) |
4688 | << (SemaRef.LangOpts.OpenMP >= 50 ? 1 : 0); |
4689 | return CurrentRegion != OMPD_simd; |
4690 | } |
4691 | if (ParentRegion == OMPD_atomic) { |
4692 | // OpenMP [2.16, Nesting of Regions] |
4693 | // OpenMP constructs may not be nested inside an atomic region. |
4694 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); |
4695 | return true; |
4696 | } |
4697 | if (CurrentRegion == OMPD_section) { |
4698 | // OpenMP [2.7.2, sections Construct, Restrictions] |
4699 | // Orphaned section directives are prohibited. That is, the section |
4700 | // directives must appear within the sections construct and must not be |
4701 | // encountered elsewhere in the sections region. |
4702 | if (ParentRegion != OMPD_sections && |
4703 | ParentRegion != OMPD_parallel_sections) { |
4704 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) |
4705 | << (ParentRegion != OMPD_unknown) |
4706 | << getOpenMPDirectiveName(ParentRegion); |
4707 | return true; |
4708 | } |
4709 | return false; |
4710 | } |
4711 | // Allow some constructs (except teams and cancellation constructs) to be |
4712 | // orphaned (they could be used in functions, called from OpenMP regions |
4713 | // with the required preconditions). |
4714 | if (ParentRegion == OMPD_unknown && |
4715 | !isOpenMPNestingTeamsDirective(CurrentRegion) && |
4716 | CurrentRegion != OMPD_cancellation_point && |
4717 | CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_scan) |
4718 | return false; |
4719 | if (CurrentRegion == OMPD_cancellation_point || |
4720 | CurrentRegion == OMPD_cancel) { |
4721 | // OpenMP [2.16, Nesting of Regions] |
4722 | // A cancellation point construct for which construct-type-clause is |
4723 | // taskgroup must be nested inside a task construct. A cancellation |
4724 | // point construct for which construct-type-clause is not taskgroup must |
4725 | // be closely nested inside an OpenMP construct that matches the type |
4726 | // specified in construct-type-clause. |
4727 | // A cancel construct for which construct-type-clause is taskgroup must be |
4728 | // nested inside a task construct. A cancel construct for which |
4729 | // construct-type-clause is not taskgroup must be closely nested inside an |
4730 | // OpenMP construct that matches the type specified in |
4731 | // construct-type-clause. |
4732 | NestingProhibited = |
4733 | !((CancelRegion == OMPD_parallel && |
4734 | (ParentRegion == OMPD_parallel || |
4735 | ParentRegion == OMPD_target_parallel)) || |
4736 | (CancelRegion == OMPD_for && |
4737 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || |
4738 | ParentRegion == OMPD_target_parallel_for || |
4739 | ParentRegion == OMPD_distribute_parallel_for || |
4740 | ParentRegion == OMPD_teams_distribute_parallel_for || |
4741 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || |
4742 | (CancelRegion == OMPD_taskgroup && |
4743 | (ParentRegion == OMPD_task || |
4744 | (SemaRef.getLangOpts().OpenMP >= 50 && |
4745 | (ParentRegion == OMPD_taskloop || |
4746 | ParentRegion == OMPD_master_taskloop || |
4747 | ParentRegion == OMPD_parallel_master_taskloop)))) || |
4748 | (CancelRegion == OMPD_sections && |
4749 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || |
4750 | ParentRegion == OMPD_parallel_sections))); |
4751 | OrphanSeen = ParentRegion == OMPD_unknown; |
4752 | } else if (CurrentRegion == OMPD_master || CurrentRegion == OMPD_masked) { |
4753 | // OpenMP 5.1 [2.22, Nesting of Regions] |
4754 | // A masked region may not be closely nested inside a worksharing, loop, |
4755 | // atomic, task, or taskloop region. |
4756 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || |
4757 | isOpenMPTaskingDirective(ParentRegion); |
4758 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { |
4759 | // OpenMP [2.16, Nesting of Regions] |
4760 | // A critical region may not be nested (closely or otherwise) inside a |
4761 | // critical region with the same name. Note that this restriction is not |
4762 | // sufficient to prevent deadlock. |
4763 | SourceLocation PreviousCriticalLoc; |
4764 | bool DeadLock = Stack->hasDirective( |
4765 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, |
4766 | const DeclarationNameInfo &DNI, |
4767 | SourceLocation Loc) { |
4768 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { |
4769 | PreviousCriticalLoc = Loc; |
4770 | return true; |
4771 | } |
4772 | return false; |
4773 | }, |
4774 | false /* skip top directive */); |
4775 | if (DeadLock) { |
4776 | SemaRef.Diag(StartLoc, |
4777 | diag::err_omp_prohibited_region_critical_same_name) |
4778 | << CurrentName.getName(); |
4779 | if (PreviousCriticalLoc.isValid()) |
4780 | SemaRef.Diag(PreviousCriticalLoc, |
4781 | diag::note_omp_previous_critical_region); |
4782 | return true; |
4783 | } |
4784 | } else if (CurrentRegion == OMPD_barrier) { |
4785 | // OpenMP 5.1 [2.22, Nesting of Regions] |
4786 | // A barrier region may not be closely nested inside a worksharing, loop, |
4787 | // task, taskloop, critical, ordered, atomic, or masked region. |
4788 | NestingProhibited = |
4789 | isOpenMPWorksharingDirective(ParentRegion) || |
4790 | isOpenMPTaskingDirective(ParentRegion) || |
4791 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || |
4792 | ParentRegion == OMPD_parallel_master || |
4793 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; |
4794 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && |
4795 | !isOpenMPParallelDirective(CurrentRegion) && |
4796 | !isOpenMPTeamsDirective(CurrentRegion)) { |
4797 | // OpenMP 5.1 [2.22, Nesting of Regions] |
4798 | // A loop region that binds to a parallel region or a worksharing region |
4799 | // may not be closely nested inside a worksharing, loop, task, taskloop, |
4800 | // critical, ordered, atomic, or masked region. |
4801 | NestingProhibited = |
4802 | isOpenMPWorksharingDirective(ParentRegion) || |
4803 | isOpenMPTaskingDirective(ParentRegion) || |
4804 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || |
4805 | ParentRegion == OMPD_parallel_master || |
4806 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; |
4807 | Recommend = ShouldBeInParallelRegion; |
4808 | } else if (CurrentRegion == OMPD_ordered) { |
4809 | // OpenMP [2.16, Nesting of Regions] |
4810 | // An ordered region may not be closely nested inside a critical, |
4811 | // atomic, or explicit task region. |
4812 | // An ordered region must be closely nested inside a loop region (or |
4813 | // parallel loop region) with an ordered clause. |
4814 | // OpenMP [2.8.1,simd Construct, Restrictions] |
4815 | // An ordered construct with the simd clause is the only OpenMP construct |
4816 | // that can appear in the simd region. |
4817 | NestingProhibited = ParentRegion == OMPD_critical || |
4818 | isOpenMPTaskingDirective(ParentRegion) || |
4819 | !(isOpenMPSimdDirective(ParentRegion) || |
4820 | Stack->isParentOrderedRegion()); |
4821 | Recommend = ShouldBeInOrderedRegion; |
4822 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { |
4823 | // OpenMP [2.16, Nesting of Regions] |
4824 | // If specified, a teams construct must be contained within a target |
4825 | // construct. |
4826 | NestingProhibited = |
4827 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || |
4828 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && |
4829 | ParentRegion != OMPD_target); |
4830 | OrphanSeen = ParentRegion == OMPD_unknown; |
4831 | Recommend = ShouldBeInTargetRegion; |
4832 | } else if (CurrentRegion == OMPD_scan) { |
4833 | // OpenMP [2.16, Nesting of Regions] |
4834 | // If specified, a teams construct must be contained within a target |
4835 | // construct. |
4836 | NestingProhibited = |
4837 | SemaRef.LangOpts.OpenMP < 50 || |
4838 | (ParentRegion != OMPD_simd && ParentRegion != OMPD_for && |
4839 | ParentRegion != OMPD_for_simd && ParentRegion != OMPD_parallel_for && |
4840 | ParentRegion != OMPD_parallel_for_simd); |
4841 | OrphanSeen = ParentRegion == OMPD_unknown; |
4842 | Recommend = ShouldBeInLoopSimdRegion; |
4843 | } |
4844 | if (!NestingProhibited && |
4845 | !isOpenMPTargetExecutionDirective(CurrentRegion) && |
4846 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && |
4847 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { |
4848 | // OpenMP [2.16, Nesting of Regions] |
4849 | // distribute, parallel, parallel sections, parallel workshare, and the |
4850 | // parallel loop and parallel loop SIMD constructs are the only OpenMP |
4851 | // constructs that can be closely nested in the teams region. |
4852 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && |
4853 | !isOpenMPDistributeDirective(CurrentRegion); |
4854 | Recommend = ShouldBeInParallelRegion; |
4855 | } |
4856 | if (!NestingProhibited && |
4857 | isOpenMPNestingDistributeDirective(CurrentRegion)) { |
4858 | // OpenMP 4.5 [2.17 Nesting of Regions] |
4859 | // The region associated with the distribute construct must be strictly |
4860 | // nested inside a teams region |
4861 | NestingProhibited = |
4862 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); |
4863 | Recommend = ShouldBeInTeamsRegion; |
4864 | } |
4865 | if (!NestingProhibited && |
4866 | (isOpenMPTargetExecutionDirective(CurrentRegion) || |
4867 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { |
4868 | // OpenMP 4.5 [2.17 Nesting of Regions] |
4869 | // If a target, target update, target data, target enter data, or |
4870 | // target exit data construct is encountered during execution of a |
4871 | // target region, the behavior is unspecified. |
4872 | NestingProhibited = Stack->hasDirective( |
4873 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, |
4874 | SourceLocation) { |
4875 | if (isOpenMPTargetExecutionDirective(K)) { |
4876 | OffendingRegion = K; |
4877 | return true; |
4878 | } |
4879 | return false; |
4880 | }, |
4881 | false /* don't skip top directive */); |
4882 | CloseNesting = false; |
4883 | } |
4884 | if (NestingProhibited) { |
4885 | if (OrphanSeen) { |
4886 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) |
4887 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; |
4888 | } else { |
4889 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) |
4890 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) |
4891 | << Recommend << getOpenMPDirectiveName(CurrentRegion); |
4892 | } |
4893 | return true; |
4894 | } |
4895 | } |
4896 | return false; |
4897 | } |
4898 | |
4899 | struct Kind2Unsigned { |
4900 | using argument_type = OpenMPDirectiveKind; |
4901 | unsigned operator()(argument_type DK) { return unsigned(DK); } |
4902 | }; |
4903 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, |
4904 | ArrayRef<OMPClause *> Clauses, |
4905 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { |
4906 | bool ErrorFound = false; |
4907 | unsigned NamedModifiersNumber = 0; |
4908 | llvm::IndexedMap<const OMPIfClause *, Kind2Unsigned> FoundNameModifiers; |
4909 | FoundNameModifiers.resize(llvm::omp::Directive_enumSize + 1); |
4910 | SmallVector<SourceLocation, 4> NameModifierLoc; |
4911 | for (const OMPClause *C : Clauses) { |
4912 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { |
4913 | // At most one if clause without a directive-name-modifier can appear on |
4914 | // the directive. |
4915 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); |
4916 | if (FoundNameModifiers[CurNM]) { |
4917 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) |
4918 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) |
4919 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); |
4920 | ErrorFound = true; |
4921 | } else if (CurNM != OMPD_unknown) { |
4922 | NameModifierLoc.push_back(IC->getNameModifierLoc()); |
4923 | ++NamedModifiersNumber; |
4924 | } |
4925 | FoundNameModifiers[CurNM] = IC; |
4926 | if (CurNM == OMPD_unknown) |
4927 | continue; |
4928 | // Check if the specified name modifier is allowed for the current |
4929 | // directive. |
4930 | // At most one if clause with the particular directive-name-modifier can |
4931 | // appear on the directive. |
4932 | bool MatchFound = false; |
4933 | for (auto NM : AllowedNameModifiers) { |
4934 | if (CurNM == NM) { |
4935 | MatchFound = true; |
4936 | break; |
4937 | } |
4938 | } |
4939 | if (!MatchFound) { |
4940 | S.Diag(IC->getNameModifierLoc(), |
4941 | diag::err_omp_wrong_if_directive_name_modifier) |
4942 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); |
4943 | ErrorFound = true; |
4944 | } |
4945 | } |
4946 | } |
4947 | // If any if clause on the directive includes a directive-name-modifier then |
4948 | // all if clauses on the directive must include a directive-name-modifier. |
4949 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { |
4950 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { |
4951 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), |
4952 | diag::err_omp_no_more_if_clause); |
4953 | } else { |
4954 | std::string Values; |
4955 | std::string Sep(", "); |
4956 | unsigned AllowedCnt = 0; |
4957 | unsigned TotalAllowedNum = |
4958 | AllowedNameModifiers.size() - NamedModifiersNumber; |
4959 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; |
4960 | ++Cnt) { |
4961 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; |
4962 | if (!FoundNameModifiers[NM]) { |
4963 | Values += "'"; |
4964 | Values += getOpenMPDirectiveName(NM); |
4965 | Values += "'"; |
4966 | if (AllowedCnt + 2 == TotalAllowedNum) |
4967 | Values += " or "; |
4968 | else if (AllowedCnt + 1 != TotalAllowedNum) |
4969 | Values += Sep; |
4970 | ++AllowedCnt; |
4971 | } |
4972 | } |
4973 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), |
4974 | diag::err_omp_unnamed_if_clause) |
4975 | << (TotalAllowedNum > 1) << Values; |
4976 | } |
4977 | for (SourceLocation Loc : NameModifierLoc) { |
4978 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); |
4979 | } |
4980 | ErrorFound = true; |
4981 | } |
4982 | return ErrorFound; |
4983 | } |
4984 | |
4985 | static std::pair<ValueDecl *, bool> getPrivateItem(Sema &S, Expr *&RefExpr, |
4986 | SourceLocation &ELoc, |
4987 | SourceRange &ERange, |
4988 | bool AllowArraySection) { |
4989 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || |
4990 | RefExpr->containsUnexpandedParameterPack()) |
4991 | return std::make_pair(nullptr, true); |
4992 | |
4993 | // OpenMP [3.1, C/C++] |
4994 | // A list item is a variable name. |
4995 | // OpenMP [2.9.3.3, Restrictions, p.1] |
4996 | // A variable that is part of another variable (as an array or |
4997 | // structure element) cannot appear in a private clause. |
4998 | RefExpr = RefExpr->IgnoreParens(); |
4999 | enum { |
5000 | NoArrayExpr = -1, |
5001 | ArraySubscript = 0, |
5002 | OMPArraySection = 1 |
5003 | } IsArrayExpr = NoArrayExpr; |
5004 | if (AllowArraySection) { |
5005 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { |
5006 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); |
5007 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) |
5008 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
5009 | RefExpr = Base; |
5010 | IsArrayExpr = ArraySubscript; |
5011 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { |
5012 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); |
5013 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) |
5014 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); |
5015 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) |
5016 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
5017 | RefExpr = Base; |
5018 | IsArrayExpr = OMPArraySection; |
5019 | } |
5020 | } |
5021 | ELoc = RefExpr->getExprLoc(); |
5022 | ERange = RefExpr->getSourceRange(); |
5023 | RefExpr = RefExpr->IgnoreParenImpCasts(); |
5024 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); |
5025 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); |
5026 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && |
5027 | (S.getCurrentThisType().isNull() || !ME || |
5028 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || |
5029 | !isa<FieldDecl>(ME->getMemberDecl()))) { |
5030 | if (IsArrayExpr != NoArrayExpr) { |
5031 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr |
5032 | << ERange; |
5033 | } else { |
5034 | S.Diag(ELoc, |
5035 | AllowArraySection |
5036 | ? diag::err_omp_expected_var_name_member_expr_or_array_item |
5037 | : diag::err_omp_expected_var_name_member_expr) |
5038 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; |
5039 | } |
5040 | return std::make_pair(nullptr, false); |
5041 | } |
5042 | return std::make_pair( |
5043 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); |
5044 | } |
5045 | |
5046 | namespace { |
5047 | /// Checks if the allocator is used in uses_allocators clause to be allowed in |
5048 | /// target regions. |
5049 | class AllocatorChecker final : public ConstStmtVisitor<AllocatorChecker, bool> { |
5050 | DSAStackTy *S = nullptr; |
5051 | |
5052 | public: |
5053 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
5054 | return S->isUsesAllocatorsDecl(E->getDecl()) |
5055 | .getValueOr( |
5056 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == |
5057 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait; |
5058 | } |
5059 | bool VisitStmt(const Stmt *S) { |
5060 | for (const Stmt *Child : S->children()) { |
5061 | if (Child && Visit(Child)) |
5062 | return true; |
5063 | } |
5064 | return false; |
5065 | } |
5066 | explicit AllocatorChecker(DSAStackTy *S) : S(S) {} |
5067 | }; |
5068 | } // namespace |
5069 | |
5070 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, |
5071 | ArrayRef<OMPClause *> Clauses) { |
5072 | assert(!S.CurContext->isDependentContext() &&(static_cast<void> (0)) |
5073 | "Expected non-dependent context.")(static_cast<void> (0)); |
5074 | auto AllocateRange = |
5075 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); |
5076 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> |
5077 | DeclToCopy; |
5078 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { |
5079 | return isOpenMPPrivate(C->getClauseKind()); |
5080 | }); |
5081 | for (OMPClause *Cl : PrivateRange) { |
5082 | MutableArrayRef<Expr *>::iterator I, It, Et; |
5083 | if (Cl->getClauseKind() == OMPC_private) { |
5084 | auto *PC = cast<OMPPrivateClause>(Cl); |
5085 | I = PC->private_copies().begin(); |
5086 | It = PC->varlist_begin(); |
5087 | Et = PC->varlist_end(); |
5088 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { |
5089 | auto *PC = cast<OMPFirstprivateClause>(Cl); |
5090 | I = PC->private_copies().begin(); |
5091 | It = PC->varlist_begin(); |
5092 | Et = PC->varlist_end(); |
5093 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { |
5094 | auto *PC = cast<OMPLastprivateClause>(Cl); |
5095 | I = PC->private_copies().begin(); |
5096 | It = PC->varlist_begin(); |
5097 | Et = PC->varlist_end(); |
5098 | } else if (Cl->getClauseKind() == OMPC_linear) { |
5099 | auto *PC = cast<OMPLinearClause>(Cl); |
5100 | I = PC->privates().begin(); |
5101 | It = PC->varlist_begin(); |
5102 | Et = PC->varlist_end(); |
5103 | } else if (Cl->getClauseKind() == OMPC_reduction) { |
5104 | auto *PC = cast<OMPReductionClause>(Cl); |
5105 | I = PC->privates().begin(); |
5106 | It = PC->varlist_begin(); |
5107 | Et = PC->varlist_end(); |
5108 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { |
5109 | auto *PC = cast<OMPTaskReductionClause>(Cl); |
5110 | I = PC->privates().begin(); |
5111 | It = PC->varlist_begin(); |
5112 | Et = PC->varlist_end(); |
5113 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { |
5114 | auto *PC = cast<OMPInReductionClause>(Cl); |
5115 | I = PC->privates().begin(); |
5116 | It = PC->varlist_begin(); |
5117 | Et = PC->varlist_end(); |
5118 | } else { |
5119 | llvm_unreachable("Expected private clause.")__builtin_unreachable(); |
5120 | } |
5121 | for (Expr *E : llvm::make_range(It, Et)) { |
5122 | if (!*I) { |
5123 | ++I; |
5124 | continue; |
5125 | } |
5126 | SourceLocation ELoc; |
5127 | SourceRange ERange; |
5128 | Expr *SimpleRefExpr = E; |
5129 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
5130 | /*AllowArraySection=*/true); |
5131 | DeclToCopy.try_emplace(Res.first, |
5132 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); |
5133 | ++I; |
5134 | } |
5135 | } |
5136 | for (OMPClause *C : AllocateRange) { |
5137 | auto *AC = cast<OMPAllocateClause>(C); |
5138 | if (S.getLangOpts().OpenMP >= 50 && |
5139 | !Stack->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>() && |
5140 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && |
5141 | AC->getAllocator()) { |
5142 | Expr *Allocator = AC->getAllocator(); |
5143 | // OpenMP, 2.12.5 target Construct |
5144 | // Memory allocators that do not appear in a uses_allocators clause cannot |
5145 | // appear as an allocator in an allocate clause or be used in the target |
5146 | // region unless a requires directive with the dynamic_allocators clause |
5147 | // is present in the same compilation unit. |
5148 | AllocatorChecker Checker(Stack); |
5149 | if (Checker.Visit(Allocator)) |
5150 | S.Diag(Allocator->getExprLoc(), |
5151 | diag::err_omp_allocator_not_in_uses_allocators) |
5152 | << Allocator->getSourceRange(); |
5153 | } |
5154 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = |
5155 | getAllocatorKind(S, Stack, AC->getAllocator()); |
5156 | // OpenMP, 2.11.4 allocate Clause, Restrictions. |
5157 | // For task, taskloop or target directives, allocation requests to memory |
5158 | // allocators with the trait access set to thread result in unspecified |
5159 | // behavior. |
5160 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && |
5161 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || |
5162 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { |
5163 | S.Diag(AC->getAllocator()->getExprLoc(), |
5164 | diag::warn_omp_allocate_thread_on_task_target_directive) |
5165 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); |
5166 | } |
5167 | for (Expr *E : AC->varlists()) { |
5168 | SourceLocation ELoc; |
5169 | SourceRange ERange; |
5170 | Expr *SimpleRefExpr = E; |
5171 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); |
5172 | ValueDecl *VD = Res.first; |
5173 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); |
5174 | if (!isOpenMPPrivate(Data.CKind)) { |
5175 | S.Diag(E->getExprLoc(), |
5176 | diag::err_omp_expected_private_copy_for_allocate); |
5177 | continue; |
5178 | } |
5179 | VarDecl *PrivateVD = DeclToCopy[VD]; |
5180 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, |
5181 | AllocatorKind, AC->getAllocator())) |
5182 | continue; |
5183 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), |
5184 | E->getSourceRange()); |
5185 | } |
5186 | } |
5187 | } |
5188 | |
5189 | namespace { |
5190 | /// Rewrite statements and expressions for Sema \p Actions CurContext. |
5191 | /// |
5192 | /// Used to wrap already parsed statements/expressions into a new CapturedStmt |
5193 | /// context. DeclRefExpr used inside the new context are changed to refer to the |
5194 | /// captured variable instead. |
5195 | class CaptureVars : public TreeTransform<CaptureVars> { |
5196 | using BaseTransform = TreeTransform<CaptureVars>; |
5197 | |
5198 | public: |
5199 | CaptureVars(Sema &Actions) : BaseTransform(Actions) {} |
5200 | |
5201 | bool AlwaysRebuild() { return true; } |
5202 | }; |
5203 | } // namespace |
5204 | |
5205 | static VarDecl *precomputeExpr(Sema &Actions, |
5206 | SmallVectorImpl<Stmt *> &BodyStmts, Expr *E, |
5207 | StringRef Name) { |
5208 | Expr *NewE = AssertSuccess(CaptureVars(Actions).TransformExpr(E)); |
5209 | VarDecl *NewVar = buildVarDecl(Actions, {}, NewE->getType(), Name, nullptr, |
5210 | dyn_cast<DeclRefExpr>(E->IgnoreImplicit())); |
5211 | auto *NewDeclStmt = cast<DeclStmt>(AssertSuccess( |
5212 | Actions.ActOnDeclStmt(Actions.ConvertDeclToDeclGroup(NewVar), {}, {}))); |
5213 | Actions.AddInitializerToDecl(NewDeclStmt->getSingleDecl(), NewE, false); |
5214 | BodyStmts.push_back(NewDeclStmt); |
5215 | return NewVar; |
5216 | } |
5217 | |
5218 | /// Create a closure that computes the number of iterations of a loop. |
5219 | /// |
5220 | /// \param Actions The Sema object. |
5221 | /// \param LogicalTy Type for the logical iteration number. |
5222 | /// \param Rel Comparison operator of the loop condition. |
5223 | /// \param StartExpr Value of the loop counter at the first iteration. |
5224 | /// \param StopExpr Expression the loop counter is compared against in the loop |
5225 | /// condition. \param StepExpr Amount of increment after each iteration. |
5226 | /// |
5227 | /// \return Closure (CapturedStmt) of the distance calculation. |
5228 | static CapturedStmt *buildDistanceFunc(Sema &Actions, QualType LogicalTy, |
5229 | BinaryOperator::Opcode Rel, |
5230 | Expr *StartExpr, Expr *StopExpr, |
5231 | Expr *StepExpr) { |
5232 | ASTContext &Ctx = Actions.getASTContext(); |
5233 | TypeSourceInfo *LogicalTSI = Ctx.getTrivialTypeSourceInfo(LogicalTy); |
5234 | |
5235 | // Captured regions currently don't support return values, we use an |
5236 | // out-parameter instead. All inputs are implicit captures. |
5237 | // TODO: Instead of capturing each DeclRefExpr occurring in |
5238 | // StartExpr/StopExpr/Step, these could also be passed as a value capture. |
5239 | QualType ResultTy = Ctx.getLValueReferenceType(LogicalTy); |
5240 | Sema::CapturedParamNameType Params[] = {{"Distance", ResultTy}, |
5241 | {StringRef(), QualType()}}; |
5242 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); |
5243 | |
5244 | Stmt *Body; |
5245 | { |
5246 | Sema::CompoundScopeRAII CompoundScope(Actions); |
5247 | CapturedDecl *CS = cast<CapturedDecl>(Actions.CurContext); |
5248 | |
5249 | // Get the LValue expression for the result. |
5250 | ImplicitParamDecl *DistParam = CS->getParam(0); |
5251 | DeclRefExpr *DistRef = Actions.BuildDeclRefExpr( |
5252 | DistParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5253 | |
5254 | SmallVector<Stmt *, 4> BodyStmts; |
5255 | |
5256 | // Capture all referenced variable references. |
5257 | // TODO: Instead of computing NewStart/NewStop/NewStep inside the |
5258 | // CapturedStmt, we could compute them before and capture the result, to be |
5259 | // used jointly with the LoopVar function. |
5260 | VarDecl *NewStart = precomputeExpr(Actions, BodyStmts, StartExpr, ".start"); |
5261 | VarDecl *NewStop = precomputeExpr(Actions, BodyStmts, StopExpr, ".stop"); |
5262 | VarDecl *NewStep = precomputeExpr(Actions, BodyStmts, StepExpr, ".step"); |
5263 | auto BuildVarRef = [&](VarDecl *VD) { |
5264 | return buildDeclRefExpr(Actions, VD, VD->getType(), {}); |
5265 | }; |
5266 | |
5267 | IntegerLiteral *Zero = IntegerLiteral::Create( |
5268 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 0), LogicalTy, {}); |
5269 | Expr *Dist; |
5270 | if (Rel == BO_NE) { |
5271 | // When using a != comparison, the increment can be +1 or -1. This can be |
5272 | // dynamic at runtime, so we need to check for the direction. |
5273 | Expr *IsNegStep = AssertSuccess( |
5274 | Actions.BuildBinOp(nullptr, {}, BO_LT, BuildVarRef(NewStep), Zero)); |
5275 | |
5276 | // Positive increment. |
5277 | Expr *ForwardRange = AssertSuccess(Actions.BuildBinOp( |
5278 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); |
5279 | ForwardRange = AssertSuccess( |
5280 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, ForwardRange)); |
5281 | Expr *ForwardDist = AssertSuccess(Actions.BuildBinOp( |
5282 | nullptr, {}, BO_Div, ForwardRange, BuildVarRef(NewStep))); |
5283 | |
5284 | // Negative increment. |
5285 | Expr *BackwardRange = AssertSuccess(Actions.BuildBinOp( |
5286 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5287 | BackwardRange = AssertSuccess( |
5288 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, BackwardRange)); |
5289 | Expr *NegIncAmount = AssertSuccess( |
5290 | Actions.BuildUnaryOp(nullptr, {}, UO_Minus, BuildVarRef(NewStep))); |
5291 | Expr *BackwardDist = AssertSuccess( |
5292 | Actions.BuildBinOp(nullptr, {}, BO_Div, BackwardRange, NegIncAmount)); |
5293 | |
5294 | // Use the appropriate case. |
5295 | Dist = AssertSuccess(Actions.ActOnConditionalOp( |
5296 | {}, {}, IsNegStep, BackwardDist, ForwardDist)); |
5297 | } else { |
5298 | assert((Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) &&(static_cast<void> (0)) |
5299 | "Expected one of these relational operators")(static_cast<void> (0)); |
5300 | |
5301 | // We can derive the direction from any other comparison operator. It is |
5302 | // non well-formed OpenMP if Step increments/decrements in the other |
5303 | // directions. Whether at least the first iteration passes the loop |
5304 | // condition. |
5305 | Expr *HasAnyIteration = AssertSuccess(Actions.BuildBinOp( |
5306 | nullptr, {}, Rel, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5307 | |
5308 | // Compute the range between first and last counter value. |
5309 | Expr *Range; |
5310 | if (Rel == BO_GE || Rel == BO_GT) |
5311 | Range = AssertSuccess(Actions.BuildBinOp( |
5312 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); |
5313 | else |
5314 | Range = AssertSuccess(Actions.BuildBinOp( |
5315 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); |
5316 | |
5317 | // Ensure unsigned range space. |
5318 | Range = |
5319 | AssertSuccess(Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, Range)); |
5320 | |
5321 | if (Rel == BO_LE || Rel == BO_GE) { |
5322 | // Add one to the range if the relational operator is inclusive. |
5323 | Range = AssertSuccess(Actions.BuildBinOp( |
5324 | nullptr, {}, BO_Add, Range, |
5325 | Actions.ActOnIntegerConstant(SourceLocation(), 1).get())); |
5326 | } |
5327 | |
5328 | // Divide by the absolute step amount. |
5329 | Expr *Divisor = BuildVarRef(NewStep); |
5330 | if (Rel == BO_GE || Rel == BO_GT) |
5331 | Divisor = |
5332 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Minus, Divisor)); |
5333 | Dist = AssertSuccess( |
5334 | Actions.BuildBinOp(nullptr, {}, BO_Div, Range, Divisor)); |
5335 | |
5336 | // If there is not at least one iteration, the range contains garbage. Fix |
5337 | // to zero in this case. |
5338 | Dist = AssertSuccess( |
5339 | Actions.ActOnConditionalOp({}, {}, HasAnyIteration, Dist, Zero)); |
5340 | } |
5341 | |
5342 | // Assign the result to the out-parameter. |
5343 | Stmt *ResultAssign = AssertSuccess(Actions.BuildBinOp( |
5344 | Actions.getCurScope(), {}, BO_Assign, DistRef, Dist)); |
5345 | BodyStmts.push_back(ResultAssign); |
5346 | |
5347 | Body = AssertSuccess(Actions.ActOnCompoundStmt({}, {}, BodyStmts, false)); |
5348 | } |
5349 | |
5350 | return cast<CapturedStmt>( |
5351 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); |
5352 | } |
5353 | |
5354 | /// Create a closure that computes the loop variable from the logical iteration |
5355 | /// number. |
5356 | /// |
5357 | /// \param Actions The Sema object. |
5358 | /// \param LoopVarTy Type for the loop variable used for result value. |
5359 | /// \param LogicalTy Type for the logical iteration number. |
5360 | /// \param StartExpr Value of the loop counter at the first iteration. |
5361 | /// \param Step Amount of increment after each iteration. |
5362 | /// \param Deref Whether the loop variable is a dereference of the loop |
5363 | /// counter variable. |
5364 | /// |
5365 | /// \return Closure (CapturedStmt) of the loop value calculation. |
5366 | static CapturedStmt *buildLoopVarFunc(Sema &Actions, QualType LoopVarTy, |
5367 | QualType LogicalTy, |
5368 | DeclRefExpr *StartExpr, Expr *Step, |
5369 | bool Deref) { |
5370 | ASTContext &Ctx = Actions.getASTContext(); |
5371 | |
5372 | // Pass the result as an out-parameter. Passing as return value would require |
5373 | // the OpenMPIRBuilder to know additional C/C++ semantics, such as how to |
5374 | // invoke a copy constructor. |
5375 | QualType TargetParamTy = Ctx.getLValueReferenceType(LoopVarTy); |
5376 | Sema::CapturedParamNameType Params[] = {{"LoopVar", TargetParamTy}, |
5377 | {"Logical", LogicalTy}, |
5378 | {StringRef(), QualType()}}; |
5379 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); |
5380 | |
5381 | // Capture the initial iterator which represents the LoopVar value at the |
5382 | // zero's logical iteration. Since the original ForStmt/CXXForRangeStmt update |
5383 | // it in every iteration, capture it by value before it is modified. |
5384 | VarDecl *StartVar = cast<VarDecl>(StartExpr->getDecl()); |
5385 | bool Invalid = Actions.tryCaptureVariable(StartVar, {}, |
5386 | Sema::TryCapture_ExplicitByVal, {}); |
5387 | (void)Invalid; |
5388 | assert(!Invalid && "Expecting capture-by-value to work.")(static_cast<void> (0)); |
5389 | |
5390 | Expr *Body; |
5391 | { |
5392 | Sema::CompoundScopeRAII CompoundScope(Actions); |
5393 | auto *CS = cast<CapturedDecl>(Actions.CurContext); |
5394 | |
5395 | ImplicitParamDecl *TargetParam = CS->getParam(0); |
5396 | DeclRefExpr *TargetRef = Actions.BuildDeclRefExpr( |
5397 | TargetParam, LoopVarTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5398 | ImplicitParamDecl *IndvarParam = CS->getParam(1); |
5399 | DeclRefExpr *LogicalRef = Actions.BuildDeclRefExpr( |
5400 | IndvarParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); |
5401 | |
5402 | // Capture the Start expression. |
5403 | CaptureVars Recap(Actions); |
5404 | Expr *NewStart = AssertSuccess(Recap.TransformExpr(StartExpr)); |
5405 | Expr *NewStep = AssertSuccess(Recap.TransformExpr(Step)); |
5406 | |
5407 | Expr *Skip = AssertSuccess( |
5408 | Actions.BuildBinOp(nullptr, {}, BO_Mul, NewStep, LogicalRef)); |
5409 | // TODO: Explicitly cast to the iterator's difference_type instead of |
5410 | // relying on implicit conversion. |
5411 | Expr *Advanced = |
5412 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Add, NewStart, Skip)); |
5413 | |
5414 | if (Deref) { |
5415 | // For range-based for-loops convert the loop counter value to a concrete |
5416 | // loop variable value by dereferencing the iterator. |
5417 | Advanced = |
5418 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Deref, Advanced)); |
5419 | } |
5420 | |
5421 | // Assign the result to the output parameter. |
5422 | Body = AssertSuccess(Actions.BuildBinOp(Actions.getCurScope(), {}, |
5423 | BO_Assign, TargetRef, Advanced)); |
5424 | } |
5425 | return cast<CapturedStmt>( |
5426 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); |
5427 | } |
5428 | |
5429 | StmtResult Sema::ActOnOpenMPCanonicalLoop(Stmt *AStmt) { |
5430 | ASTContext &Ctx = getASTContext(); |
5431 | |
5432 | // Extract the common elements of ForStmt and CXXForRangeStmt: |
5433 | // Loop variable, repeat condition, increment |
5434 | Expr *Cond, *Inc; |
5435 | VarDecl *LIVDecl, *LUVDecl; |
5436 | if (auto *For = dyn_cast<ForStmt>(AStmt)) { |
5437 | Stmt *Init = For->getInit(); |
5438 | if (auto *LCVarDeclStmt = dyn_cast<DeclStmt>(Init)) { |
5439 | // For statement declares loop variable. |
5440 | LIVDecl = cast<VarDecl>(LCVarDeclStmt->getSingleDecl()); |
5441 | } else if (auto *LCAssign = dyn_cast<BinaryOperator>(Init)) { |
5442 | // For statement reuses variable. |
5443 | assert(LCAssign->getOpcode() == BO_Assign &&(static_cast<void> (0)) |
5444 | "init part must be a loop variable assignment")(static_cast<void> (0)); |
5445 | auto *CounterRef = cast<DeclRefExpr>(LCAssign->getLHS()); |
5446 | LIVDecl = cast<VarDecl>(CounterRef->getDecl()); |
5447 | } else |
5448 | llvm_unreachable("Cannot determine loop variable")__builtin_unreachable(); |
5449 | LUVDecl = LIVDecl; |
5450 | |
5451 | Cond = For->getCond(); |
5452 | Inc = For->getInc(); |
5453 | } else if (auto *RangeFor = dyn_cast<CXXForRangeStmt>(AStmt)) { |
5454 | DeclStmt *BeginStmt = RangeFor->getBeginStmt(); |
5455 | LIVDecl = cast<VarDecl>(BeginStmt->getSingleDecl()); |
5456 | LUVDecl = RangeFor->getLoopVariable(); |
5457 | |
5458 | Cond = RangeFor->getCond(); |
5459 | Inc = RangeFor->getInc(); |
5460 | } else |
5461 | llvm_unreachable("unhandled kind of loop")__builtin_unreachable(); |
5462 | |
5463 | QualType CounterTy = LIVDecl->getType(); |
5464 | QualType LVTy = LUVDecl->getType(); |
5465 | |
5466 | // Analyze the loop condition. |
5467 | Expr *LHS, *RHS; |
5468 | BinaryOperator::Opcode CondRel; |
5469 | Cond = Cond->IgnoreImplicit(); |
5470 | if (auto *CondBinExpr = dyn_cast<BinaryOperator>(Cond)) { |
5471 | LHS = CondBinExpr->getLHS(); |
5472 | RHS = CondBinExpr->getRHS(); |
5473 | CondRel = CondBinExpr->getOpcode(); |
5474 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Cond)) { |
5475 | assert(CondCXXOp->getNumArgs() == 2 && "Comparison should have 2 operands")(static_cast<void> (0)); |
5476 | LHS = CondCXXOp->getArg(0); |
5477 | RHS = CondCXXOp->getArg(1); |
5478 | switch (CondCXXOp->getOperator()) { |
5479 | case OO_ExclaimEqual: |
5480 | CondRel = BO_NE; |
5481 | break; |
5482 | case OO_Less: |
5483 | CondRel = BO_LT; |
5484 | break; |
5485 | case OO_LessEqual: |
5486 | CondRel = BO_LE; |
5487 | break; |
5488 | case OO_Greater: |
5489 | CondRel = BO_GT; |
5490 | break; |
5491 | case OO_GreaterEqual: |
5492 | CondRel = BO_GE; |
5493 | break; |
5494 | default: |
5495 | llvm_unreachable("unexpected iterator operator")__builtin_unreachable(); |
5496 | } |
5497 | } else |
5498 | llvm_unreachable("unexpected loop condition")__builtin_unreachable(); |
5499 | |
5500 | // Normalize such that the loop counter is on the LHS. |
5501 | if (!isa<DeclRefExpr>(LHS->IgnoreImplicit()) || |
5502 | cast<DeclRefExpr>(LHS->IgnoreImplicit())->getDecl() != LIVDecl) { |
5503 | std::swap(LHS, RHS); |
5504 | CondRel = BinaryOperator::reverseComparisonOp(CondRel); |
5505 | } |
5506 | auto *CounterRef = cast<DeclRefExpr>(LHS->IgnoreImplicit()); |
5507 | |
5508 | // Decide the bit width for the logical iteration counter. By default use the |
5509 | // unsigned ptrdiff_t integer size (for iterators and pointers). |
5510 | // TODO: For iterators, use iterator::difference_type, |
5511 | // std::iterator_traits<>::difference_type or decltype(it - end). |
5512 | QualType LogicalTy = Ctx.getUnsignedPointerDiffType(); |
5513 | if (CounterTy->isIntegerType()) { |
5514 | unsigned BitWidth = Ctx.getIntWidth(CounterTy); |
5515 | LogicalTy = Ctx.getIntTypeForBitwidth(BitWidth, false); |
5516 | } |
5517 | |
5518 | // Analyze the loop increment. |
5519 | Expr *Step; |
5520 | if (auto *IncUn = dyn_cast<UnaryOperator>(Inc)) { |
5521 | int Direction; |
5522 | switch (IncUn->getOpcode()) { |
5523 | case UO_PreInc: |
5524 | case UO_PostInc: |
5525 | Direction = 1; |
5526 | break; |
5527 | case UO_PreDec: |
5528 | case UO_PostDec: |
5529 | Direction = -1; |
5530 | break; |
5531 | default: |
5532 | llvm_unreachable("unhandled unary increment operator")__builtin_unreachable(); |
5533 | } |
5534 | Step = IntegerLiteral::Create( |
5535 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), Direction), LogicalTy, {}); |
5536 | } else if (auto *IncBin = dyn_cast<BinaryOperator>(Inc)) { |
5537 | if (IncBin->getOpcode() == BO_AddAssign) { |
5538 | Step = IncBin->getRHS(); |
5539 | } else if (IncBin->getOpcode() == BO_SubAssign) { |
5540 | Step = |
5541 | AssertSuccess(BuildUnaryOp(nullptr, {}, UO_Minus, IncBin->getRHS())); |
5542 | } else |
5543 | llvm_unreachable("unhandled binary increment operator")__builtin_unreachable(); |
5544 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Inc)) { |
5545 | switch (CondCXXOp->getOperator()) { |
5546 | case OO_PlusPlus: |
5547 | Step = IntegerLiteral::Create( |
5548 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 1), LogicalTy, {}); |
5549 | break; |
5550 | case OO_MinusMinus: |
5551 | Step = IntegerLiteral::Create( |
5552 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), -1), LogicalTy, {}); |
5553 | break; |
5554 | case OO_PlusEqual: |
5555 | Step = CondCXXOp->getArg(1); |
5556 | break; |
5557 | case OO_MinusEqual: |
5558 | Step = AssertSuccess( |
5559 | BuildUnaryOp(nullptr, {}, UO_Minus, CondCXXOp->getArg(1))); |
5560 | break; |
5561 | default: |
5562 | llvm_unreachable("unhandled overloaded increment operator")__builtin_unreachable(); |
5563 | } |
5564 | } else |
5565 | llvm_unreachable("unknown increment expression")__builtin_unreachable(); |
5566 | |
5567 | CapturedStmt *DistanceFunc = |
5568 | buildDistanceFunc(*this, LogicalTy, CondRel, LHS, RHS, Step); |
5569 | CapturedStmt *LoopVarFunc = buildLoopVarFunc( |
5570 | *this, LVTy, LogicalTy, CounterRef, Step, isa<CXXForRangeStmt>(AStmt)); |
5571 | DeclRefExpr *LVRef = BuildDeclRefExpr(LUVDecl, LUVDecl->getType(), VK_LValue, |
5572 | {}, nullptr, nullptr, {}, nullptr); |
5573 | return OMPCanonicalLoop::create(getASTContext(), AStmt, DistanceFunc, |
5574 | LoopVarFunc, LVRef); |
5575 | } |
5576 | |
5577 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, |
5578 | CXXScopeSpec &MapperIdScopeSpec, |
5579 | const DeclarationNameInfo &MapperId, |
5580 | QualType Type, |
5581 | Expr *UnresolvedMapper); |
5582 | |
5583 | /// Perform DFS through the structure/class data members trying to find |
5584 | /// member(s) with user-defined 'default' mapper and generate implicit map |
5585 | /// clauses for such members with the found 'default' mapper. |
5586 | static void |
5587 | processImplicitMapsWithDefaultMappers(Sema &S, DSAStackTy *Stack, |
5588 | SmallVectorImpl<OMPClause *> &Clauses) { |
5589 | // Check for the deault mapper for data members. |
5590 | if (S.getLangOpts().OpenMP < 50) |
5591 | return; |
5592 | SmallVector<OMPClause *, 4> ImplicitMaps; |
5593 | for (int Cnt = 0, EndCnt = Clauses.size(); Cnt < EndCnt; ++Cnt) { |
5594 | auto *C = dyn_cast<OMPMapClause>(Clauses[Cnt]); |
5595 | if (!C) |
5596 | continue; |
5597 | SmallVector<Expr *, 4> SubExprs; |
5598 | auto *MI = C->mapperlist_begin(); |
5599 | for (auto I = C->varlist_begin(), End = C->varlist_end(); I != End; |
5600 | ++I, ++MI) { |
5601 | // Expression is mapped using mapper - skip it. |
5602 | if (*MI) |
5603 | continue; |
5604 | Expr *E = *I; |
5605 | // Expression is dependent - skip it, build the mapper when it gets |
5606 | // instantiated. |
5607 | if (E->isTypeDependent() || E->isValueDependent() || |
5608 | E->containsUnexpandedParameterPack()) |
5609 | continue; |
5610 | // Array section - need to check for the mapping of the array section |
5611 | // element. |
5612 | QualType CanonType = E->getType().getCanonicalType(); |
5613 | if (CanonType->isSpecificBuiltinType(BuiltinType::OMPArraySection)) { |
5614 | const auto *OASE = cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts()); |
5615 | QualType BaseType = |
5616 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
5617 | QualType ElemType; |
5618 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
5619 | ElemType = ATy->getElementType(); |
5620 | else |
5621 | ElemType = BaseType->getPointeeType(); |
5622 | CanonType = ElemType; |
5623 | } |
5624 | |
5625 | // DFS over data members in structures/classes. |
5626 | SmallVector<std::pair<QualType, FieldDecl *>, 4> Types( |
5627 | 1, {CanonType, nullptr}); |
5628 | llvm::DenseMap<const Type *, Expr *> Visited; |
5629 | SmallVector<std::pair<FieldDecl *, unsigned>, 4> ParentChain( |
5630 | 1, {nullptr, 1}); |
5631 | while (!Types.empty()) { |
5632 | QualType BaseType; |
5633 | FieldDecl *CurFD; |
5634 | std::tie(BaseType, CurFD) = Types.pop_back_val(); |
5635 | while (ParentChain.back().second == 0) |
5636 | ParentChain.pop_back(); |
5637 | --ParentChain.back().second; |
5638 | if (BaseType.isNull()) |
5639 | continue; |
5640 | // Only structs/classes are allowed to have mappers. |
5641 | const RecordDecl *RD = BaseType.getCanonicalType()->getAsRecordDecl(); |
5642 | if (!RD) |
5643 | continue; |
5644 | auto It = Visited.find(BaseType.getTypePtr()); |
5645 | if (It == Visited.end()) { |
5646 | // Try to find the associated user-defined mapper. |
5647 | CXXScopeSpec MapperIdScopeSpec; |
5648 | DeclarationNameInfo DefaultMapperId; |
5649 | DefaultMapperId.setName(S.Context.DeclarationNames.getIdentifier( |
5650 | &S.Context.Idents.get("default"))); |
5651 | DefaultMapperId.setLoc(E->getExprLoc()); |
5652 | ExprResult ER = buildUserDefinedMapperRef( |
5653 | S, Stack->getCurScope(), MapperIdScopeSpec, DefaultMapperId, |
5654 | BaseType, /*UnresolvedMapper=*/nullptr); |
5655 | if (ER.isInvalid()) |
5656 | continue; |
5657 | It = Visited.try_emplace(BaseType.getTypePtr(), ER.get()).first; |
5658 | } |
5659 | // Found default mapper. |
5660 | if (It->second) { |
5661 | auto *OE = new (S.Context) OpaqueValueExpr(E->getExprLoc(), CanonType, |
5662 | VK_LValue, OK_Ordinary, E); |
5663 | OE->setIsUnique(/*V=*/true); |
5664 | Expr *BaseExpr = OE; |
5665 | for (const auto &P : ParentChain) { |
5666 | if (P.first) { |
5667 | BaseExpr = S.BuildMemberExpr( |
5668 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), |
5669 | NestedNameSpecifierLoc(), SourceLocation(), P.first, |
5670 | DeclAccessPair::make(P.first, P.first->getAccess()), |
5671 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), |
5672 | P.first->getType(), VK_LValue, OK_Ordinary); |
5673 | BaseExpr = S.DefaultLvalueConversion(BaseExpr).get(); |
5674 | } |
5675 | } |
5676 | if (CurFD) |
5677 | BaseExpr = S.BuildMemberExpr( |
5678 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), |
5679 | NestedNameSpecifierLoc(), SourceLocation(), CurFD, |
5680 | DeclAccessPair::make(CurFD, CurFD->getAccess()), |
5681 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), |
5682 | CurFD->getType(), VK_LValue, OK_Ordinary); |
5683 | SubExprs.push_back(BaseExpr); |
5684 | continue; |
5685 | } |
5686 | // Check for the "default" mapper for data memebers. |
5687 | bool FirstIter = true; |
5688 | for (FieldDecl *FD : RD->fields()) { |
5689 | if (!FD) |
5690 | continue; |
5691 | QualType FieldTy = FD->getType(); |
5692 | if (FieldTy.isNull() || |
5693 | !(FieldTy->isStructureOrClassType() || FieldTy->isUnionType())) |
5694 | continue; |
5695 | if (FirstIter) { |
5696 | FirstIter = false; |
5697 | ParentChain.emplace_back(CurFD, 1); |
5698 | } else { |
5699 | ++ParentChain.back().second; |
5700 | } |
5701 | Types.emplace_back(FieldTy, FD); |
5702 | } |
5703 | } |
5704 | } |
5705 | if (SubExprs.empty()) |
5706 | continue; |
5707 | CXXScopeSpec MapperIdScopeSpec; |
5708 | DeclarationNameInfo MapperId; |
5709 | if (OMPClause *NewClause = S.ActOnOpenMPMapClause( |
5710 | C->getMapTypeModifiers(), C->getMapTypeModifiersLoc(), |
5711 | MapperIdScopeSpec, MapperId, C->getMapType(), |
5712 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), |
5713 | SubExprs, OMPVarListLocTy())) |
5714 | Clauses.push_back(NewClause); |
5715 | } |
5716 | } |
5717 | |
5718 | StmtResult Sema::ActOnOpenMPExecutableDirective( |
5719 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, |
5720 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, |
5721 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { |
5722 | StmtResult Res = StmtError(); |
5723 | // First check CancelRegion which is then used in checkNestingOfRegions. |
5724 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || |
5725 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, |
5726 | StartLoc)) |
5727 | return StmtError(); |
5728 | |
5729 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; |
5730 | VarsWithInheritedDSAType VarsWithInheritedDSA; |
5731 | bool ErrorFound = false; |
5732 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); |
5733 | if (AStmt && !CurContext->isDependentContext() && Kind != OMPD_atomic && |
5734 | Kind != OMPD_critical && Kind != OMPD_section && Kind != OMPD_master && |
5735 | Kind != OMPD_masked && !isOpenMPLoopTransformationDirective(Kind)) { |
5736 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
5737 | |
5738 | // Check default data sharing attributes for referenced variables. |
5739 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); |
5740 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); |
5741 | Stmt *S = AStmt; |
5742 | while (--ThisCaptureLevel >= 0) |
5743 | S = cast<CapturedStmt>(S)->getCapturedStmt(); |
5744 | DSAChecker.Visit(S); |
5745 | if (!isOpenMPTargetDataManagementDirective(Kind) && |
5746 | !isOpenMPTaskingDirective(Kind)) { |
5747 | // Visit subcaptures to generate implicit clauses for captured vars. |
5748 | auto *CS = cast<CapturedStmt>(AStmt); |
5749 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; |
5750 | getOpenMPCaptureRegions(CaptureRegions, Kind); |
5751 | // Ignore outer tasking regions for target directives. |
5752 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) |
5753 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
5754 | DSAChecker.visitSubCaptures(CS); |
5755 | } |
5756 | if (DSAChecker.isErrorFound()) |
5757 | return StmtError(); |
5758 | // Generate list of implicitly defined firstprivate variables. |
5759 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); |
5760 | |
5761 | SmallVector<Expr *, 4> ImplicitFirstprivates( |
5762 | DSAChecker.getImplicitFirstprivate().begin(), |
5763 | DSAChecker.getImplicitFirstprivate().end()); |
5764 | const unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; |
5765 | SmallVector<Expr *, 4> ImplicitMaps[DefaultmapKindNum][OMPC_MAP_delete]; |
5766 | SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> |
5767 | ImplicitMapModifiers[DefaultmapKindNum]; |
5768 | SmallVector<SourceLocation, NumberOfOMPMapClauseModifiers> |
5769 | ImplicitMapModifiersLoc[DefaultmapKindNum]; |
5770 | // Get the original location of present modifier from Defaultmap clause. |
5771 | SourceLocation PresentModifierLocs[DefaultmapKindNum]; |
5772 | for (OMPClause *C : Clauses) { |
5773 | if (auto *DMC = dyn_cast<OMPDefaultmapClause>(C)) |
5774 | if (DMC->getDefaultmapModifier() == OMPC_DEFAULTMAP_MODIFIER_present) |
5775 | PresentModifierLocs[DMC->getDefaultmapKind()] = |
5776 | DMC->getDefaultmapModifierLoc(); |
5777 | } |
5778 | for (unsigned VC = 0; VC < DefaultmapKindNum; ++VC) { |
5779 | auto Kind = static_cast<OpenMPDefaultmapClauseKind>(VC); |
5780 | for (unsigned I = 0; I < OMPC_MAP_delete; ++I) { |
5781 | ArrayRef<Expr *> ImplicitMap = DSAChecker.getImplicitMap( |
5782 | Kind, static_cast<OpenMPMapClauseKind>(I)); |
5783 | ImplicitMaps[VC][I].append(ImplicitMap.begin(), ImplicitMap.end()); |
5784 | } |
5785 | ArrayRef<OpenMPMapModifierKind> ImplicitModifier = |
5786 | DSAChecker.getImplicitMapModifier(Kind); |
5787 | ImplicitMapModifiers[VC].append(ImplicitModifier.begin(), |
5788 | ImplicitModifier.end()); |
5789 | std::fill_n(std::back_inserter(ImplicitMapModifiersLoc[VC]), |
5790 | ImplicitModifier.size(), PresentModifierLocs[VC]); |
5791 | } |
5792 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. |
5793 | for (OMPClause *C : Clauses) { |
5794 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { |
5795 | for (Expr *E : IRC->taskgroup_descriptors()) |
5796 | if (E) |
5797 | ImplicitFirstprivates.emplace_back(E); |
5798 | } |
5799 | // OpenMP 5.0, 2.10.1 task Construct |
5800 | // [detach clause]... The event-handle will be considered as if it was |
5801 | // specified on a firstprivate clause. |
5802 | if (auto *DC = dyn_cast<OMPDetachClause>(C)) |
5803 | ImplicitFirstprivates.push_back(DC->getEventHandler()); |
5804 | } |
5805 | if (!ImplicitFirstprivates.empty()) { |
5806 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( |
5807 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), |
5808 | SourceLocation())) { |
5809 | ClausesWithImplicit.push_back(Implicit); |
5810 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != |
5811 | ImplicitFirstprivates.size(); |
5812 | } else { |
5813 | ErrorFound = true; |
5814 | } |
5815 | } |
5816 | // OpenMP 5.0 [2.19.7] |
5817 | // If a list item appears in a reduction, lastprivate or linear |
5818 | // clause on a combined target construct then it is treated as |
5819 | // if it also appears in a map clause with a map-type of tofrom |
5820 | if (getLangOpts().OpenMP >= 50 && Kind != OMPD_target && |
5821 | isOpenMPTargetExecutionDirective(Kind)) { |
5822 | SmallVector<Expr *, 4> ImplicitExprs; |
5823 | for (OMPClause *C : Clauses) { |
5824 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) |
5825 | for (Expr *E : RC->varlists()) |
5826 | if (!isa<DeclRefExpr>(E->IgnoreParenImpCasts())) |
5827 | ImplicitExprs.emplace_back(E); |
5828 | } |
5829 | if (!ImplicitExprs.empty()) { |
5830 | ArrayRef<Expr *> Exprs = ImplicitExprs; |
5831 | CXXScopeSpec MapperIdScopeSpec; |
5832 | DeclarationNameInfo MapperId; |
5833 | if (OMPClause *Implicit = ActOnOpenMPMapClause( |
5834 | OMPC_MAP_MODIFIER_unknown, SourceLocation(), MapperIdScopeSpec, |
5835 | MapperId, OMPC_MAP_tofrom, |
5836 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), |
5837 | Exprs, OMPVarListLocTy(), /*NoDiagnose=*/true)) |
5838 | ClausesWithImplicit.emplace_back(Implicit); |
5839 | } |
5840 | } |
5841 | for (unsigned I = 0, E = DefaultmapKindNum; I < E; ++I) { |
5842 | int ClauseKindCnt = -1; |
5843 | for (ArrayRef<Expr *> ImplicitMap : ImplicitMaps[I]) { |
5844 | ++ClauseKindCnt; |
5845 | if (ImplicitMap.empty()) |
5846 | continue; |
5847 | CXXScopeSpec MapperIdScopeSpec; |
5848 | DeclarationNameInfo MapperId; |
5849 | auto Kind = static_cast<OpenMPMapClauseKind>(ClauseKindCnt); |
5850 | if (OMPClause *Implicit = ActOnOpenMPMapClause( |
5851 | ImplicitMapModifiers[I], ImplicitMapModifiersLoc[I], |
5852 | MapperIdScopeSpec, MapperId, Kind, /*IsMapTypeImplicit=*/true, |
5853 | SourceLocation(), SourceLocation(), ImplicitMap, |
5854 | OMPVarListLocTy())) { |
5855 | ClausesWithImplicit.emplace_back(Implicit); |
5856 | ErrorFound |= cast<OMPMapClause>(Implicit)->varlist_size() != |
5857 | ImplicitMap.size(); |
5858 | } else { |
5859 | ErrorFound = true; |
5860 | } |
5861 | } |
5862 | } |
5863 | // Build expressions for implicit maps of data members with 'default' |
5864 | // mappers. |
5865 | if (LangOpts.OpenMP >= 50) |
5866 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
5867 | ClausesWithImplicit); |
5868 | } |
5869 | |
5870 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; |
5871 | switch (Kind) { |
5872 | case OMPD_parallel: |
5873 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, |
5874 | EndLoc); |
5875 | AllowedNameModifiers.push_back(OMPD_parallel); |
5876 | break; |
5877 | case OMPD_simd: |
5878 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, |
5879 | VarsWithInheritedDSA); |
5880 | if (LangOpts.OpenMP >= 50) |
5881 | AllowedNameModifiers.push_back(OMPD_simd); |
5882 | break; |
5883 | case OMPD_tile: |
5884 | Res = |
5885 | ActOnOpenMPTileDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
5886 | break; |
5887 | case OMPD_unroll: |
5888 | Res = ActOnOpenMPUnrollDirective(ClausesWithImplicit, AStmt, StartLoc, |
5889 | EndLoc); |
5890 | break; |
5891 | case OMPD_for: |
5892 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, |
5893 | VarsWithInheritedDSA); |
5894 | break; |
5895 | case OMPD_for_simd: |
5896 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
5897 | EndLoc, VarsWithInheritedDSA); |
5898 | if (LangOpts.OpenMP >= 50) |
5899 | AllowedNameModifiers.push_back(OMPD_simd); |
5900 | break; |
5901 | case OMPD_sections: |
5902 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, |
5903 | EndLoc); |
5904 | break; |
5905 | case OMPD_section: |
5906 | assert(ClausesWithImplicit.empty() &&(static_cast<void> (0)) |
5907 | "No clauses are allowed for 'omp section' directive")(static_cast<void> (0)); |
5908 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); |
5909 | break; |
5910 | case OMPD_single: |
5911 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, |
5912 | EndLoc); |
5913 | break; |
5914 | case OMPD_master: |
5915 | assert(ClausesWithImplicit.empty() &&(static_cast<void> (0)) |
5916 | "No clauses are allowed for 'omp master' directive")(static_cast<void> (0)); |
5917 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); |
5918 | break; |
5919 | case OMPD_masked: |
5920 | Res = ActOnOpenMPMaskedDirective(ClausesWithImplicit, AStmt, StartLoc, |
5921 | EndLoc); |
5922 | break; |
5923 | case OMPD_critical: |
5924 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, |
5925 | StartLoc, EndLoc); |
5926 | break; |
5927 | case OMPD_parallel_for: |
5928 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, |
5929 | EndLoc, VarsWithInheritedDSA); |
5930 | AllowedNameModifiers.push_back(OMPD_parallel); |
5931 | break; |
5932 | case OMPD_parallel_for_simd: |
5933 | Res = ActOnOpenMPParallelForSimdDirective( |
5934 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
5935 | AllowedNameModifiers.push_back(OMPD_parallel); |
5936 | if (LangOpts.OpenMP >= 50) |
5937 | AllowedNameModifiers.push_back(OMPD_simd); |
5938 | break; |
5939 | case OMPD_parallel_master: |
5940 | Res = ActOnOpenMPParallelMasterDirective(ClausesWithImplicit, AStmt, |
5941 | StartLoc, EndLoc); |
5942 | AllowedNameModifiers.push_back(OMPD_parallel); |
5943 | break; |
5944 | case OMPD_parallel_sections: |
5945 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, |
5946 | StartLoc, EndLoc); |
5947 | AllowedNameModifiers.push_back(OMPD_parallel); |
5948 | break; |
5949 | case OMPD_task: |
5950 | Res = |
5951 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
5952 | AllowedNameModifiers.push_back(OMPD_task); |
5953 | break; |
5954 | case OMPD_taskyield: |
5955 | assert(ClausesWithImplicit.empty() &&(static_cast<void> (0)) |
5956 | "No clauses are allowed for 'omp taskyield' directive")(static_cast<void> (0)); |
5957 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
5958 | "No associated statement allowed for 'omp taskyield' directive")(static_cast<void> (0)); |
5959 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); |
5960 | break; |
5961 | case OMPD_barrier: |
5962 | assert(ClausesWithImplicit.empty() &&(static_cast<void> (0)) |
5963 | "No clauses are allowed for 'omp barrier' directive")(static_cast<void> (0)); |
5964 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
5965 | "No associated statement allowed for 'omp barrier' directive")(static_cast<void> (0)); |
5966 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); |
5967 | break; |
5968 | case OMPD_taskwait: |
5969 | assert(ClausesWithImplicit.empty() &&(static_cast<void> (0)) |
5970 | "No clauses are allowed for 'omp taskwait' directive")(static_cast<void> (0)); |
5971 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
5972 | "No associated statement allowed for 'omp taskwait' directive")(static_cast<void> (0)); |
5973 | Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); |
5974 | break; |
5975 | case OMPD_taskgroup: |
5976 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, |
5977 | EndLoc); |
5978 | break; |
5979 | case OMPD_flush: |
5980 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
5981 | "No associated statement allowed for 'omp flush' directive")(static_cast<void> (0)); |
5982 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); |
5983 | break; |
5984 | case OMPD_depobj: |
5985 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
5986 | "No associated statement allowed for 'omp depobj' directive")(static_cast<void> (0)); |
5987 | Res = ActOnOpenMPDepobjDirective(ClausesWithImplicit, StartLoc, EndLoc); |
5988 | break; |
5989 | case OMPD_scan: |
5990 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
5991 | "No associated statement allowed for 'omp scan' directive")(static_cast<void> (0)); |
5992 | Res = ActOnOpenMPScanDirective(ClausesWithImplicit, StartLoc, EndLoc); |
5993 | break; |
5994 | case OMPD_ordered: |
5995 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, |
5996 | EndLoc); |
5997 | break; |
5998 | case OMPD_atomic: |
5999 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, |
6000 | EndLoc); |
6001 | break; |
6002 | case OMPD_teams: |
6003 | Res = |
6004 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); |
6005 | break; |
6006 | case OMPD_target: |
6007 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, |
6008 | EndLoc); |
6009 | AllowedNameModifiers.push_back(OMPD_target); |
6010 | break; |
6011 | case OMPD_target_parallel: |
6012 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, |
6013 | StartLoc, EndLoc); |
6014 | AllowedNameModifiers.push_back(OMPD_target); |
6015 | AllowedNameModifiers.push_back(OMPD_parallel); |
6016 | break; |
6017 | case OMPD_target_parallel_for: |
6018 | Res = ActOnOpenMPTargetParallelForDirective( |
6019 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6020 | AllowedNameModifiers.push_back(OMPD_target); |
6021 | AllowedNameModifiers.push_back(OMPD_parallel); |
6022 | break; |
6023 | case OMPD_cancellation_point: |
6024 | assert(ClausesWithImplicit.empty() &&(static_cast<void> (0)) |
6025 | "No clauses are allowed for 'omp cancellation point' directive")(static_cast<void> (0)); |
6026 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "(static_cast<void> (0)) |
6027 | "cancellation point' directive")(static_cast<void> (0)); |
6028 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); |
6029 | break; |
6030 | case OMPD_cancel: |
6031 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
6032 | "No associated statement allowed for 'omp cancel' directive")(static_cast<void> (0)); |
6033 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, |
6034 | CancelRegion); |
6035 | AllowedNameModifiers.push_back(OMPD_cancel); |
6036 | break; |
6037 | case OMPD_target_data: |
6038 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, |
6039 | EndLoc); |
6040 | AllowedNameModifiers.push_back(OMPD_target_data); |
6041 | break; |
6042 | case OMPD_target_enter_data: |
6043 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, |
6044 | EndLoc, AStmt); |
6045 | AllowedNameModifiers.push_back(OMPD_target_enter_data); |
6046 | break; |
6047 | case OMPD_target_exit_data: |
6048 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, |
6049 | EndLoc, AStmt); |
6050 | AllowedNameModifiers.push_back(OMPD_target_exit_data); |
6051 | break; |
6052 | case OMPD_taskloop: |
6053 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, |
6054 | EndLoc, VarsWithInheritedDSA); |
6055 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6056 | break; |
6057 | case OMPD_taskloop_simd: |
6058 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6059 | EndLoc, VarsWithInheritedDSA); |
6060 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6061 | if (LangOpts.OpenMP >= 50) |
6062 | AllowedNameModifiers.push_back(OMPD_simd); |
6063 | break; |
6064 | case OMPD_master_taskloop: |
6065 | Res = ActOnOpenMPMasterTaskLoopDirective( |
6066 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6067 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6068 | break; |
6069 | case OMPD_master_taskloop_simd: |
6070 | Res = ActOnOpenMPMasterTaskLoopSimdDirective( |
6071 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6072 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6073 | if (LangOpts.OpenMP >= 50) |
6074 | AllowedNameModifiers.push_back(OMPD_simd); |
6075 | break; |
6076 | case OMPD_parallel_master_taskloop: |
6077 | Res = ActOnOpenMPParallelMasterTaskLoopDirective( |
6078 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6079 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6080 | AllowedNameModifiers.push_back(OMPD_parallel); |
6081 | break; |
6082 | case OMPD_parallel_master_taskloop_simd: |
6083 | Res = ActOnOpenMPParallelMasterTaskLoopSimdDirective( |
6084 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6085 | AllowedNameModifiers.push_back(OMPD_taskloop); |
6086 | AllowedNameModifiers.push_back(OMPD_parallel); |
6087 | if (LangOpts.OpenMP >= 50) |
6088 | AllowedNameModifiers.push_back(OMPD_simd); |
6089 | break; |
6090 | case OMPD_distribute: |
6091 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, |
6092 | EndLoc, VarsWithInheritedDSA); |
6093 | break; |
6094 | case OMPD_target_update: |
6095 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, |
6096 | EndLoc, AStmt); |
6097 | AllowedNameModifiers.push_back(OMPD_target_update); |
6098 | break; |
6099 | case OMPD_distribute_parallel_for: |
6100 | Res = ActOnOpenMPDistributeParallelForDirective( |
6101 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6102 | AllowedNameModifiers.push_back(OMPD_parallel); |
6103 | break; |
6104 | case OMPD_distribute_parallel_for_simd: |
6105 | Res = ActOnOpenMPDistributeParallelForSimdDirective( |
6106 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6107 | AllowedNameModifiers.push_back(OMPD_parallel); |
6108 | if (LangOpts.OpenMP >= 50) |
6109 | AllowedNameModifiers.push_back(OMPD_simd); |
6110 | break; |
6111 | case OMPD_distribute_simd: |
6112 | Res = ActOnOpenMPDistributeSimdDirective( |
6113 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6114 | if (LangOpts.OpenMP >= 50) |
6115 | AllowedNameModifiers.push_back(OMPD_simd); |
6116 | break; |
6117 | case OMPD_target_parallel_for_simd: |
6118 | Res = ActOnOpenMPTargetParallelForSimdDirective( |
6119 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6120 | AllowedNameModifiers.push_back(OMPD_target); |
6121 | AllowedNameModifiers.push_back(OMPD_parallel); |
6122 | if (LangOpts.OpenMP >= 50) |
6123 | AllowedNameModifiers.push_back(OMPD_simd); |
6124 | break; |
6125 | case OMPD_target_simd: |
6126 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, |
6127 | EndLoc, VarsWithInheritedDSA); |
6128 | AllowedNameModifiers.push_back(OMPD_target); |
6129 | if (LangOpts.OpenMP >= 50) |
6130 | AllowedNameModifiers.push_back(OMPD_simd); |
6131 | break; |
6132 | case OMPD_teams_distribute: |
6133 | Res = ActOnOpenMPTeamsDistributeDirective( |
6134 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6135 | break; |
6136 | case OMPD_teams_distribute_simd: |
6137 | Res = ActOnOpenMPTeamsDistributeSimdDirective( |
6138 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6139 | if (LangOpts.OpenMP >= 50) |
6140 | AllowedNameModifiers.push_back(OMPD_simd); |
6141 | break; |
6142 | case OMPD_teams_distribute_parallel_for_simd: |
6143 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( |
6144 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6145 | AllowedNameModifiers.push_back(OMPD_parallel); |
6146 | if (LangOpts.OpenMP >= 50) |
6147 | AllowedNameModifiers.push_back(OMPD_simd); |
6148 | break; |
6149 | case OMPD_teams_distribute_parallel_for: |
6150 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( |
6151 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6152 | AllowedNameModifiers.push_back(OMPD_parallel); |
6153 | break; |
6154 | case OMPD_target_teams: |
6155 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, |
6156 | EndLoc); |
6157 | AllowedNameModifiers.push_back(OMPD_target); |
6158 | break; |
6159 | case OMPD_target_teams_distribute: |
6160 | Res = ActOnOpenMPTargetTeamsDistributeDirective( |
6161 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6162 | AllowedNameModifiers.push_back(OMPD_target); |
6163 | break; |
6164 | case OMPD_target_teams_distribute_parallel_for: |
6165 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( |
6166 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6167 | AllowedNameModifiers.push_back(OMPD_target); |
6168 | AllowedNameModifiers.push_back(OMPD_parallel); |
6169 | break; |
6170 | case OMPD_target_teams_distribute_parallel_for_simd: |
6171 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( |
6172 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6173 | AllowedNameModifiers.push_back(OMPD_target); |
6174 | AllowedNameModifiers.push_back(OMPD_parallel); |
6175 | if (LangOpts.OpenMP >= 50) |
6176 | AllowedNameModifiers.push_back(OMPD_simd); |
6177 | break; |
6178 | case OMPD_target_teams_distribute_simd: |
6179 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( |
6180 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); |
6181 | AllowedNameModifiers.push_back(OMPD_target); |
6182 | if (LangOpts.OpenMP >= 50) |
6183 | AllowedNameModifiers.push_back(OMPD_simd); |
6184 | break; |
6185 | case OMPD_interop: |
6186 | assert(AStmt == nullptr &&(static_cast<void> (0)) |
6187 | "No associated statement allowed for 'omp interop' directive")(static_cast<void> (0)); |
6188 | Res = ActOnOpenMPInteropDirective(ClausesWithImplicit, StartLoc, EndLoc); |
6189 | break; |
6190 | case OMPD_dispatch: |
6191 | Res = ActOnOpenMPDispatchDirective(ClausesWithImplicit, AStmt, StartLoc, |
6192 | EndLoc); |
6193 | break; |
6194 | case OMPD_declare_target: |
6195 | case OMPD_end_declare_target: |
6196 | case OMPD_threadprivate: |
6197 | case OMPD_allocate: |
6198 | case OMPD_declare_reduction: |
6199 | case OMPD_declare_mapper: |
6200 | case OMPD_declare_simd: |
6201 | case OMPD_requires: |
6202 | case OMPD_declare_variant: |
6203 | case OMPD_begin_declare_variant: |
6204 | case OMPD_end_declare_variant: |
6205 | llvm_unreachable("OpenMP Directive is not allowed")__builtin_unreachable(); |
6206 | case OMPD_unknown: |
6207 | default: |
6208 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
6209 | } |
6210 | |
6211 | ErrorFound = Res.isInvalid() || ErrorFound; |
6212 | |
6213 | // Check variables in the clauses if default(none) or |
6214 | // default(firstprivate) was specified. |
6215 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
6216 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { |
6217 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); |
6218 | for (OMPClause *C : Clauses) { |
6219 | switch (C->getClauseKind()) { |
6220 | case OMPC_num_threads: |
6221 | case OMPC_dist_schedule: |
6222 | // Do not analyse if no parent teams directive. |
6223 | if (isOpenMPTeamsDirective(Kind)) |
6224 | break; |
6225 | continue; |
6226 | case OMPC_if: |
6227 | if (isOpenMPTeamsDirective(Kind) && |
6228 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) |
6229 | break; |
6230 | if (isOpenMPParallelDirective(Kind) && |
6231 | isOpenMPTaskLoopDirective(Kind) && |
6232 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_parallel) |
6233 | break; |
6234 | continue; |
6235 | case OMPC_schedule: |
6236 | case OMPC_detach: |
6237 | break; |
6238 | case OMPC_grainsize: |
6239 | case OMPC_num_tasks: |
6240 | case OMPC_final: |
6241 | case OMPC_priority: |
6242 | case OMPC_novariants: |
6243 | case OMPC_nocontext: |
6244 | // Do not analyze if no parent parallel directive. |
6245 | if (isOpenMPParallelDirective(Kind)) |
6246 | break; |
6247 | continue; |
6248 | case OMPC_ordered: |
6249 | case OMPC_device: |
6250 | case OMPC_num_teams: |
6251 | case OMPC_thread_limit: |
6252 | case OMPC_hint: |
6253 | case OMPC_collapse: |
6254 | case OMPC_safelen: |
6255 | case OMPC_simdlen: |
6256 | case OMPC_sizes: |
6257 | case OMPC_default: |
6258 | case OMPC_proc_bind: |
6259 | case OMPC_private: |
6260 | case OMPC_firstprivate: |
6261 | case OMPC_lastprivate: |
6262 | case OMPC_shared: |
6263 | case OMPC_reduction: |
6264 | case OMPC_task_reduction: |
6265 | case OMPC_in_reduction: |
6266 | case OMPC_linear: |
6267 | case OMPC_aligned: |
6268 | case OMPC_copyin: |
6269 | case OMPC_copyprivate: |
6270 | case OMPC_nowait: |
6271 | case OMPC_untied: |
6272 | case OMPC_mergeable: |
6273 | case OMPC_allocate: |
6274 | case OMPC_read: |
6275 | case OMPC_write: |
6276 | case OMPC_update: |
6277 | case OMPC_capture: |
6278 | case OMPC_seq_cst: |
6279 | case OMPC_acq_rel: |
6280 | case OMPC_acquire: |
6281 | case OMPC_release: |
6282 | case OMPC_relaxed: |
6283 | case OMPC_depend: |
6284 | case OMPC_threads: |
6285 | case OMPC_simd: |
6286 | case OMPC_map: |
6287 | case OMPC_nogroup: |
6288 | case OMPC_defaultmap: |
6289 | case OMPC_to: |
6290 | case OMPC_from: |
6291 | case OMPC_use_device_ptr: |
6292 | case OMPC_use_device_addr: |
6293 | case OMPC_is_device_ptr: |
6294 | case OMPC_nontemporal: |
6295 | case OMPC_order: |
6296 | case OMPC_destroy: |
6297 | case OMPC_inclusive: |
6298 | case OMPC_exclusive: |
6299 | case OMPC_uses_allocators: |
6300 | case OMPC_affinity: |
6301 | continue; |
6302 | case OMPC_allocator: |
6303 | case OMPC_flush: |
6304 | case OMPC_depobj: |
6305 | case OMPC_threadprivate: |
6306 | case OMPC_uniform: |
6307 | case OMPC_unknown: |
6308 | case OMPC_unified_address: |
6309 | case OMPC_unified_shared_memory: |
6310 | case OMPC_reverse_offload: |
6311 | case OMPC_dynamic_allocators: |
6312 | case OMPC_atomic_default_mem_order: |
6313 | case OMPC_device_type: |
6314 | case OMPC_match: |
6315 | default: |
6316 | llvm_unreachable("Unexpected clause")__builtin_unreachable(); |
6317 | } |
6318 | for (Stmt *CC : C->children()) { |
6319 | if (CC) |
6320 | DSAChecker.Visit(CC); |
6321 | } |
6322 | } |
6323 | for (const auto &P : DSAChecker.getVarsWithInheritedDSA()) |
6324 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); |
6325 | } |
6326 | for (const auto &P : VarsWithInheritedDSA) { |
6327 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) |
6328 | continue; |
6329 | ErrorFound = true; |
6330 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || |
6331 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { |
6332 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) |
6333 | << P.first << P.second->getSourceRange(); |
6334 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); |
6335 | } else if (getLangOpts().OpenMP >= 50) { |
6336 | Diag(P.second->getExprLoc(), |
6337 | diag::err_omp_defaultmap_no_attr_for_variable) |
6338 | << P.first << P.second->getSourceRange(); |
6339 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), |
6340 | diag::note_omp_defaultmap_attr_none); |
6341 | } |
6342 | } |
6343 | |
6344 | if (!AllowedNameModifiers.empty()) |
6345 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || |
6346 | ErrorFound; |
6347 | |
6348 | if (ErrorFound) |
6349 | return StmtError(); |
6350 | |
6351 | if (!CurContext->isDependentContext() && |
6352 | isOpenMPTargetExecutionDirective(Kind) && |
6353 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || |
6354 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || |
6355 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || |
6356 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { |
6357 | // Register target to DSA Stack. |
6358 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); |
6359 | } |
6360 | |
6361 | return Res; |
6362 | } |
6363 | |
6364 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( |
6365 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, |
6366 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, |
6367 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, |
6368 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { |
6369 | assert(Aligneds.size() == Alignments.size())(static_cast<void> (0)); |
6370 | assert(Linears.size() == LinModifiers.size())(static_cast<void> (0)); |
6371 | assert(Linears.size() == Steps.size())(static_cast<void> (0)); |
6372 | if (!DG || DG.get().isNull()) |
6373 | return DeclGroupPtrTy(); |
6374 | |
6375 | const int SimdId = 0; |
6376 | if (!DG.get().isSingleDecl()) { |
6377 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) |
6378 | << SimdId; |
6379 | return DG; |
6380 | } |
6381 | Decl *ADecl = DG.get().getSingleDecl(); |
6382 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) |
6383 | ADecl = FTD->getTemplatedDecl(); |
6384 | |
6385 | auto *FD = dyn_cast<FunctionDecl>(ADecl); |
6386 | if (!FD) { |
6387 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; |
6388 | return DeclGroupPtrTy(); |
6389 | } |
6390 | |
6391 | // OpenMP [2.8.2, declare simd construct, Description] |
6392 | // The parameter of the simdlen clause must be a constant positive integer |
6393 | // expression. |
6394 | ExprResult SL; |
6395 | if (Simdlen) |
6396 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); |
6397 | // OpenMP [2.8.2, declare simd construct, Description] |
6398 | // The special this pointer can be used as if was one of the arguments to the |
6399 | // function in any of the linear, aligned, or uniform clauses. |
6400 | // The uniform clause declares one or more arguments to have an invariant |
6401 | // value for all concurrent invocations of the function in the execution of a |
6402 | // single SIMD loop. |
6403 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; |
6404 | const Expr *UniformedLinearThis = nullptr; |
6405 | for (const Expr *E : Uniforms) { |
6406 | E = E->IgnoreParenImpCasts(); |
6407 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6408 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) |
6409 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6410 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6411 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { |
6412 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); |
6413 | continue; |
6414 | } |
6415 | if (isa<CXXThisExpr>(E)) { |
6416 | UniformedLinearThis = E; |
6417 | continue; |
6418 | } |
6419 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6420 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6421 | } |
6422 | // OpenMP [2.8.2, declare simd construct, Description] |
6423 | // The aligned clause declares that the object to which each list item points |
6424 | // is aligned to the number of bytes expressed in the optional parameter of |
6425 | // the aligned clause. |
6426 | // The special this pointer can be used as if was one of the arguments to the |
6427 | // function in any of the linear, aligned, or uniform clauses. |
6428 | // The type of list items appearing in the aligned clause must be array, |
6429 | // pointer, reference to array, or reference to pointer. |
6430 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; |
6431 | const Expr *AlignedThis = nullptr; |
6432 | for (const Expr *E : Aligneds) { |
6433 | E = E->IgnoreParenImpCasts(); |
6434 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6435 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6436 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6437 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6438 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6439 | ->getCanonicalDecl() == CanonPVD) { |
6440 | // OpenMP [2.8.1, simd construct, Restrictions] |
6441 | // A list-item cannot appear in more than one aligned clause. |
6442 | if (AlignedArgs.count(CanonPVD) > 0) { |
6443 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) |
6444 | << 1 << getOpenMPClauseName(OMPC_aligned) |
6445 | << E->getSourceRange(); |
6446 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), |
6447 | diag::note_omp_explicit_dsa) |
6448 | << getOpenMPClauseName(OMPC_aligned); |
6449 | continue; |
6450 | } |
6451 | AlignedArgs[CanonPVD] = E; |
6452 | QualType QTy = PVD->getType() |
6453 | .getNonReferenceType() |
6454 | .getUnqualifiedType() |
6455 | .getCanonicalType(); |
6456 | const Type *Ty = QTy.getTypePtrOrNull(); |
6457 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { |
6458 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) |
6459 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); |
6460 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; |
6461 | } |
6462 | continue; |
6463 | } |
6464 | } |
6465 | if (isa<CXXThisExpr>(E)) { |
6466 | if (AlignedThis) { |
6467 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) |
6468 | << 2 << getOpenMPClauseName(OMPC_aligned) << E->getSourceRange(); |
6469 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) |
6470 | << getOpenMPClauseName(OMPC_aligned); |
6471 | } |
6472 | AlignedThis = E; |
6473 | continue; |
6474 | } |
6475 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6476 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6477 | } |
6478 | // The optional parameter of the aligned clause, alignment, must be a constant |
6479 | // positive integer expression. If no optional parameter is specified, |
6480 | // implementation-defined default alignments for SIMD instructions on the |
6481 | // target platforms are assumed. |
6482 | SmallVector<const Expr *, 4> NewAligns; |
6483 | for (Expr *E : Alignments) { |
6484 | ExprResult Align; |
6485 | if (E) |
6486 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); |
6487 | NewAligns.push_back(Align.get()); |
6488 | } |
6489 | // OpenMP [2.8.2, declare simd construct, Description] |
6490 | // The linear clause declares one or more list items to be private to a SIMD |
6491 | // lane and to have a linear relationship with respect to the iteration space |
6492 | // of a loop. |
6493 | // The special this pointer can be used as if was one of the arguments to the |
6494 | // function in any of the linear, aligned, or uniform clauses. |
6495 | // When a linear-step expression is specified in a linear clause it must be |
6496 | // either a constant integer expression or an integer-typed parameter that is |
6497 | // specified in a uniform clause on the directive. |
6498 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; |
6499 | const bool IsUniformedThis = UniformedLinearThis != nullptr; |
6500 | auto MI = LinModifiers.begin(); |
6501 | for (const Expr *E : Linears) { |
6502 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); |
6503 | ++MI; |
6504 | E = E->IgnoreParenImpCasts(); |
6505 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) |
6506 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6507 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6508 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && |
6509 | FD->getParamDecl(PVD->getFunctionScopeIndex()) |
6510 | ->getCanonicalDecl() == CanonPVD) { |
6511 | // OpenMP [2.15.3.7, linear Clause, Restrictions] |
6512 | // A list-item cannot appear in more than one linear clause. |
6513 | if (LinearArgs.count(CanonPVD) > 0) { |
6514 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
6515 | << getOpenMPClauseName(OMPC_linear) |
6516 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); |
6517 | Diag(LinearArgs[CanonPVD]->getExprLoc(), |
6518 | diag::note_omp_explicit_dsa) |
6519 | << getOpenMPClauseName(OMPC_linear); |
6520 | continue; |
6521 | } |
6522 | // Each argument can appear in at most one uniform or linear clause. |
6523 | if (UniformedArgs.count(CanonPVD) > 0) { |
6524 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
6525 | << getOpenMPClauseName(OMPC_linear) |
6526 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); |
6527 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), |
6528 | diag::note_omp_explicit_dsa) |
6529 | << getOpenMPClauseName(OMPC_uniform); |
6530 | continue; |
6531 | } |
6532 | LinearArgs[CanonPVD] = E; |
6533 | if (E->isValueDependent() || E->isTypeDependent() || |
6534 | E->isInstantiationDependent() || |
6535 | E->containsUnexpandedParameterPack()) |
6536 | continue; |
6537 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, |
6538 | PVD->getOriginalType(), |
6539 | /*IsDeclareSimd=*/true); |
6540 | continue; |
6541 | } |
6542 | } |
6543 | if (isa<CXXThisExpr>(E)) { |
6544 | if (UniformedLinearThis) { |
6545 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) |
6546 | << getOpenMPClauseName(OMPC_linear) |
6547 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) |
6548 | << E->getSourceRange(); |
6549 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) |
6550 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform |
6551 | : OMPC_linear); |
6552 | continue; |
6553 | } |
6554 | UniformedLinearThis = E; |
6555 | if (E->isValueDependent() || E->isTypeDependent() || |
6556 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
6557 | continue; |
6558 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, |
6559 | E->getType(), /*IsDeclareSimd=*/true); |
6560 | continue; |
6561 | } |
6562 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) |
6563 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); |
6564 | } |
6565 | Expr *Step = nullptr; |
6566 | Expr *NewStep = nullptr; |
6567 | SmallVector<Expr *, 4> NewSteps; |
6568 | for (Expr *E : Steps) { |
6569 | // Skip the same step expression, it was checked already. |
6570 | if (Step == E || !E) { |
6571 | NewSteps.push_back(E ? NewStep : nullptr); |
6572 | continue; |
6573 | } |
6574 | Step = E; |
6575 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) |
6576 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { |
6577 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); |
6578 | if (UniformedArgs.count(CanonPVD) == 0) { |
6579 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) |
6580 | << Step->getSourceRange(); |
6581 | } else if (E->isValueDependent() || E->isTypeDependent() || |
6582 | E->isInstantiationDependent() || |
6583 | E->containsUnexpandedParameterPack() || |
6584 | CanonPVD->getType()->hasIntegerRepresentation()) { |
6585 | NewSteps.push_back(Step); |
6586 | } else { |
6587 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) |
6588 | << Step->getSourceRange(); |
6589 | } |
6590 | continue; |
6591 | } |
6592 | NewStep = Step; |
6593 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && |
6594 | !Step->isInstantiationDependent() && |
6595 | !Step->containsUnexpandedParameterPack()) { |
6596 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) |
6597 | .get(); |
6598 | if (NewStep) |
6599 | NewStep = |
6600 | VerifyIntegerConstantExpression(NewStep, /*FIXME*/ AllowFold).get(); |
6601 | } |
6602 | NewSteps.push_back(NewStep); |
6603 | } |
6604 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( |
6605 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), |
6606 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), |
6607 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), |
6608 | const_cast<Expr **>(Linears.data()), Linears.size(), |
6609 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), |
6610 | NewSteps.data(), NewSteps.size(), SR); |
6611 | ADecl->addAttr(NewAttr); |
6612 | return DG; |
6613 | } |
6614 | |
6615 | static void setPrototype(Sema &S, FunctionDecl *FD, FunctionDecl *FDWithProto, |
6616 | QualType NewType) { |
6617 | assert(NewType->isFunctionProtoType() &&(static_cast<void> (0)) |
6618 | "Expected function type with prototype.")(static_cast<void> (0)); |
6619 | assert(FD->getType()->isFunctionNoProtoType() &&(static_cast<void> (0)) |
6620 | "Expected function with type with no prototype.")(static_cast<void> (0)); |
6621 | assert(FDWithProto->getType()->isFunctionProtoType() &&(static_cast<void> (0)) |
6622 | "Expected function with prototype.")(static_cast<void> (0)); |
6623 | // Synthesize parameters with the same types. |
6624 | FD->setType(NewType); |
6625 | SmallVector<ParmVarDecl *, 16> Params; |
6626 | for (const ParmVarDecl *P : FDWithProto->parameters()) { |
6627 | auto *Param = ParmVarDecl::Create(S.getASTContext(), FD, SourceLocation(), |
6628 | SourceLocation(), nullptr, P->getType(), |
6629 | /*TInfo=*/nullptr, SC_None, nullptr); |
6630 | Param->setScopeInfo(0, Params.size()); |
6631 | Param->setImplicit(); |
6632 | Params.push_back(Param); |
6633 | } |
6634 | |
6635 | FD->setParams(Params); |
6636 | } |
6637 | |
6638 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPAssumeScope(Decl *D) { |
6639 | if (D->isInvalidDecl()) |
6640 | return; |
6641 | FunctionDecl *FD = nullptr; |
6642 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) |
6643 | FD = UTemplDecl->getTemplatedDecl(); |
6644 | else |
6645 | FD = cast<FunctionDecl>(D); |
6646 | assert(FD && "Expected a function declaration!")(static_cast<void> (0)); |
6647 | |
6648 | // If we are intantiating templates we do *not* apply scoped assumptions but |
6649 | // only global ones. We apply scoped assumption to the template definition |
6650 | // though. |
6651 | if (!inTemplateInstantiation()) { |
6652 | for (AssumptionAttr *AA : OMPAssumeScoped) |
6653 | FD->addAttr(AA); |
6654 | } |
6655 | for (AssumptionAttr *AA : OMPAssumeGlobal) |
6656 | FD->addAttr(AA); |
6657 | } |
6658 | |
6659 | Sema::OMPDeclareVariantScope::OMPDeclareVariantScope(OMPTraitInfo &TI) |
6660 | : TI(&TI), NameSuffix(TI.getMangledName()) {} |
6661 | |
6662 | void Sema::ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( |
6663 | Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists, |
6664 | SmallVectorImpl<FunctionDecl *> &Bases) { |
6665 | if (!D.getIdentifier()) |
6666 | return; |
6667 | |
6668 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); |
6669 | |
6670 | // Template specialization is an extension, check if we do it. |
6671 | bool IsTemplated = !TemplateParamLists.empty(); |
6672 | if (IsTemplated & |
6673 | !DVScope.TI->isExtensionActive( |
6674 | llvm::omp::TraitProperty::implementation_extension_allow_templates)) |
6675 | return; |
6676 | |
6677 | IdentifierInfo *BaseII = D.getIdentifier(); |
6678 | LookupResult Lookup(*this, DeclarationName(BaseII), D.getIdentifierLoc(), |
6679 | LookupOrdinaryName); |
6680 | LookupParsedName(Lookup, S, &D.getCXXScopeSpec()); |
6681 | |
6682 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); |
6683 | QualType FType = TInfo->getType(); |
6684 | |
6685 | bool IsConstexpr = |
6686 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Constexpr; |
6687 | bool IsConsteval = |
6688 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Consteval; |
6689 | |
6690 | for (auto *Candidate : Lookup) { |
6691 | auto *CandidateDecl = Candidate->getUnderlyingDecl(); |
6692 | FunctionDecl *UDecl = nullptr; |
6693 | if (IsTemplated && isa<FunctionTemplateDecl>(CandidateDecl)) |
6694 | UDecl = cast<FunctionTemplateDecl>(CandidateDecl)->getTemplatedDecl(); |
6695 | else if (!IsTemplated) |
6696 | UDecl = dyn_cast<FunctionDecl>(CandidateDecl); |
6697 | if (!UDecl) |
6698 | continue; |
6699 | |
6700 | // Don't specialize constexpr/consteval functions with |
6701 | // non-constexpr/consteval functions. |
6702 | if (UDecl->isConstexpr() && !IsConstexpr) |
6703 | continue; |
6704 | if (UDecl->isConsteval() && !IsConsteval) |
6705 | continue; |
6706 | |
6707 | QualType UDeclTy = UDecl->getType(); |
6708 | if (!UDeclTy->isDependentType()) { |
6709 | QualType NewType = Context.mergeFunctionTypes( |
6710 | FType, UDeclTy, /* OfBlockPointer */ false, |
6711 | /* Unqualified */ false, /* AllowCXX */ true); |
6712 | if (NewType.isNull()) |
6713 | continue; |
6714 | } |
6715 | |
6716 | // Found a base! |
6717 | Bases.push_back(UDecl); |
6718 | } |
6719 | |
6720 | bool UseImplicitBase = !DVScope.TI->isExtensionActive( |
6721 | llvm::omp::TraitProperty::implementation_extension_disable_implicit_base); |
6722 | // If no base was found we create a declaration that we use as base. |
6723 | if (Bases.empty() && UseImplicitBase) { |
6724 | D.setFunctionDefinitionKind(FunctionDefinitionKind::Declaration); |
6725 | Decl *BaseD = HandleDeclarator(S, D, TemplateParamLists); |
6726 | BaseD->setImplicit(true); |
6727 | if (auto *BaseTemplD = dyn_cast<FunctionTemplateDecl>(BaseD)) |
6728 | Bases.push_back(BaseTemplD->getTemplatedDecl()); |
6729 | else |
6730 | Bases.push_back(cast<FunctionDecl>(BaseD)); |
6731 | } |
6732 | |
6733 | std::string MangledName; |
6734 | MangledName += D.getIdentifier()->getName(); |
6735 | MangledName += getOpenMPVariantManglingSeparatorStr(); |
6736 | MangledName += DVScope.NameSuffix; |
6737 | IdentifierInfo &VariantII = Context.Idents.get(MangledName); |
6738 | |
6739 | VariantII.setMangledOpenMPVariantName(true); |
6740 | D.SetIdentifier(&VariantII, D.getBeginLoc()); |
6741 | } |
6742 | |
6743 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPDeclareVariantScope( |
6744 | Decl *D, SmallVectorImpl<FunctionDecl *> &Bases) { |
6745 | // Do not mark function as is used to prevent its emission if this is the |
6746 | // only place where it is used. |
6747 | EnterExpressionEvaluationContext Unevaluated( |
6748 | *this, Sema::ExpressionEvaluationContext::Unevaluated); |
6749 | |
6750 | FunctionDecl *FD = nullptr; |
6751 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) |
6752 | FD = UTemplDecl->getTemplatedDecl(); |
6753 | else |
6754 | FD = cast<FunctionDecl>(D); |
6755 | auto *VariantFuncRef = DeclRefExpr::Create( |
6756 | Context, NestedNameSpecifierLoc(), SourceLocation(), FD, |
6757 | /* RefersToEnclosingVariableOrCapture */ false, |
6758 | /* NameLoc */ FD->getLocation(), FD->getType(), |
6759 | ExprValueKind::VK_PRValue); |
6760 | |
6761 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); |
6762 | auto *OMPDeclareVariantA = OMPDeclareVariantAttr::CreateImplicit( |
6763 | Context, VariantFuncRef, DVScope.TI); |
6764 | for (FunctionDecl *BaseFD : Bases) |
6765 | BaseFD->addAttr(OMPDeclareVariantA); |
6766 | } |
6767 | |
6768 | ExprResult Sema::ActOnOpenMPCall(ExprResult Call, Scope *Scope, |
6769 | SourceLocation LParenLoc, |
6770 | MultiExprArg ArgExprs, |
6771 | SourceLocation RParenLoc, Expr *ExecConfig) { |
6772 | // The common case is a regular call we do not want to specialize at all. Try |
6773 | // to make that case fast by bailing early. |
6774 | CallExpr *CE = dyn_cast<CallExpr>(Call.get()); |
6775 | if (!CE) |
6776 | return Call; |
6777 | |
6778 | FunctionDecl *CalleeFnDecl = CE->getDirectCallee(); |
6779 | if (!CalleeFnDecl) |
6780 | return Call; |
6781 | |
6782 | if (!CalleeFnDecl->hasAttr<OMPDeclareVariantAttr>()) |
6783 | return Call; |
6784 | |
6785 | ASTContext &Context = getASTContext(); |
6786 | std::function<void(StringRef)> DiagUnknownTrait = [this, |
6787 | CE](StringRef ISATrait) { |
6788 | // TODO Track the selector locations in a way that is accessible here to |
6789 | // improve the diagnostic location. |
6790 | Diag(CE->getBeginLoc(), diag::warn_unknown_declare_variant_isa_trait) |
6791 | << ISATrait; |
6792 | }; |
6793 | TargetOMPContext OMPCtx(Context, std::move(DiagUnknownTrait), |
6794 | getCurFunctionDecl()); |
6795 | |
6796 | QualType CalleeFnType = CalleeFnDecl->getType(); |
6797 | |
6798 | SmallVector<Expr *, 4> Exprs; |
6799 | SmallVector<VariantMatchInfo, 4> VMIs; |
6800 | while (CalleeFnDecl) { |
6801 | for (OMPDeclareVariantAttr *A : |
6802 | CalleeFnDecl->specific_attrs<OMPDeclareVariantAttr>()) { |
6803 | Expr *VariantRef = A->getVariantFuncRef(); |
6804 | |
6805 | VariantMatchInfo VMI; |
6806 | OMPTraitInfo &TI = A->getTraitInfo(); |
6807 | TI.getAsVariantMatchInfo(Context, VMI); |
6808 | if (!isVariantApplicableInContext(VMI, OMPCtx, |
6809 | /* DeviceSetOnly */ false)) |
6810 | continue; |
6811 | |
6812 | VMIs.push_back(VMI); |
6813 | Exprs.push_back(VariantRef); |
6814 | } |
6815 | |
6816 | CalleeFnDecl = CalleeFnDecl->getPreviousDecl(); |
6817 | } |
6818 | |
6819 | ExprResult NewCall; |
6820 | do { |
6821 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); |
6822 | if (BestIdx < 0) |
6823 | return Call; |
6824 | Expr *BestExpr = cast<DeclRefExpr>(Exprs[BestIdx]); |
6825 | Decl *BestDecl = cast<DeclRefExpr>(BestExpr)->getDecl(); |
6826 | |
6827 | { |
6828 | // Try to build a (member) call expression for the current best applicable |
6829 | // variant expression. We allow this to fail in which case we continue |
6830 | // with the next best variant expression. The fail case is part of the |
6831 | // implementation defined behavior in the OpenMP standard when it talks |
6832 | // about what differences in the function prototypes: "Any differences |
6833 | // that the specific OpenMP context requires in the prototype of the |
6834 | // variant from the base function prototype are implementation defined." |
6835 | // This wording is there to allow the specialized variant to have a |
6836 | // different type than the base function. This is intended and OK but if |
6837 | // we cannot create a call the difference is not in the "implementation |
6838 | // defined range" we allow. |
6839 | Sema::TentativeAnalysisScope Trap(*this); |
6840 | |
6841 | if (auto *SpecializedMethod = dyn_cast<CXXMethodDecl>(BestDecl)) { |
6842 | auto *MemberCall = dyn_cast<CXXMemberCallExpr>(CE); |
6843 | BestExpr = MemberExpr::CreateImplicit( |
6844 | Context, MemberCall->getImplicitObjectArgument(), |
6845 | /* IsArrow */ false, SpecializedMethod, Context.BoundMemberTy, |
6846 | MemberCall->getValueKind(), MemberCall->getObjectKind()); |
6847 | } |
6848 | NewCall = BuildCallExpr(Scope, BestExpr, LParenLoc, ArgExprs, RParenLoc, |
6849 | ExecConfig); |
6850 | if (NewCall.isUsable()) { |
6851 | if (CallExpr *NCE = dyn_cast<CallExpr>(NewCall.get())) { |
6852 | FunctionDecl *NewCalleeFnDecl = NCE->getDirectCallee(); |
6853 | QualType NewType = Context.mergeFunctionTypes( |
6854 | CalleeFnType, NewCalleeFnDecl->getType(), |
6855 | /* OfBlockPointer */ false, |
6856 | /* Unqualified */ false, /* AllowCXX */ true); |
6857 | if (!NewType.isNull()) |
6858 | break; |
6859 | // Don't use the call if the function type was not compatible. |
6860 | NewCall = nullptr; |
6861 | } |
6862 | } |
6863 | } |
6864 | |
6865 | VMIs.erase(VMIs.begin() + BestIdx); |
6866 | Exprs.erase(Exprs.begin() + BestIdx); |
6867 | } while (!VMIs.empty()); |
6868 | |
6869 | if (!NewCall.isUsable()) |
6870 | return Call; |
6871 | return PseudoObjectExpr::Create(Context, CE, {NewCall.get()}, 0); |
6872 | } |
6873 | |
6874 | Optional<std::pair<FunctionDecl *, Expr *>> |
6875 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, |
6876 | Expr *VariantRef, OMPTraitInfo &TI, |
6877 | SourceRange SR) { |
6878 | if (!DG || DG.get().isNull()) |
6879 | return None; |
6880 | |
6881 | const int VariantId = 1; |
6882 | // Must be applied only to single decl. |
6883 | if (!DG.get().isSingleDecl()) { |
6884 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) |
6885 | << VariantId << SR; |
6886 | return None; |
6887 | } |
6888 | Decl *ADecl = DG.get().getSingleDecl(); |
6889 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) |
6890 | ADecl = FTD->getTemplatedDecl(); |
6891 | |
6892 | // Decl must be a function. |
6893 | auto *FD = dyn_cast<FunctionDecl>(ADecl); |
6894 | if (!FD) { |
6895 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) |
6896 | << VariantId << SR; |
6897 | return None; |
6898 | } |
6899 | |
6900 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { |
6901 | return FD->hasAttrs() && |
6902 | (FD->hasAttr<CPUDispatchAttr>() || FD->hasAttr<CPUSpecificAttr>() || |
6903 | FD->hasAttr<TargetAttr>()); |
6904 | }; |
6905 | // OpenMP is not compatible with CPU-specific attributes. |
6906 | if (HasMultiVersionAttributes(FD)) { |
6907 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) |
6908 | << SR; |
6909 | return None; |
6910 | } |
6911 | |
6912 | // Allow #pragma omp declare variant only if the function is not used. |
6913 | if (FD->isUsed(false)) |
6914 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) |
6915 | << FD->getLocation(); |
6916 | |
6917 | // Check if the function was emitted already. |
6918 | const FunctionDecl *Definition; |
6919 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && |
6920 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) |
6921 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) |
6922 | << FD->getLocation(); |
6923 | |
6924 | // The VariantRef must point to function. |
6925 | if (!VariantRef) { |
6926 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; |
6927 | return None; |
6928 | } |
6929 | |
6930 | auto ShouldDelayChecks = [](Expr *&E, bool) { |
6931 | return E && (E->isTypeDependent() || E->isValueDependent() || |
6932 | E->containsUnexpandedParameterPack() || |
6933 | E->isInstantiationDependent()); |
6934 | }; |
6935 | // Do not check templates, wait until instantiation. |
6936 | if (FD->isDependentContext() || ShouldDelayChecks(VariantRef, false) || |
6937 | TI.anyScoreOrCondition(ShouldDelayChecks)) |
6938 | return std::make_pair(FD, VariantRef); |
6939 | |
6940 | // Deal with non-constant score and user condition expressions. |
6941 | auto HandleNonConstantScoresAndConditions = [this](Expr *&E, |
6942 | bool IsScore) -> bool { |
6943 | if (!E || E->isIntegerConstantExpr(Context)) |
6944 | return false; |
6945 | |
6946 | if (IsScore) { |
6947 | // We warn on non-constant scores and pretend they were not present. |
6948 | Diag(E->getExprLoc(), diag::warn_omp_declare_variant_score_not_constant) |
6949 | << E; |
6950 | E = nullptr; |
6951 | } else { |
6952 | // We could replace a non-constant user condition with "false" but we |
6953 | // will soon need to handle these anyway for the dynamic version of |
6954 | // OpenMP context selectors. |
6955 | Diag(E->getExprLoc(), |
6956 | diag::err_omp_declare_variant_user_condition_not_constant) |
6957 | << E; |
6958 | } |
6959 | return true; |
6960 | }; |
6961 | if (TI.anyScoreOrCondition(HandleNonConstantScoresAndConditions)) |
6962 | return None; |
6963 | |
6964 | // Convert VariantRef expression to the type of the original function to |
6965 | // resolve possible conflicts. |
6966 | ExprResult VariantRefCast = VariantRef; |
6967 | if (LangOpts.CPlusPlus) { |
6968 | QualType FnPtrType; |
6969 | auto *Method = dyn_cast<CXXMethodDecl>(FD); |
6970 | if (Method && !Method->isStatic()) { |
6971 | const Type *ClassType = |
6972 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); |
6973 | FnPtrType = Context.getMemberPointerType(FD->getType(), ClassType); |
6974 | ExprResult ER; |
6975 | { |
6976 | // Build adrr_of unary op to correctly handle type checks for member |
6977 | // functions. |
6978 | Sema::TentativeAnalysisScope Trap(*this); |
6979 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, |
6980 | VariantRef); |
6981 | } |
6982 | if (!ER.isUsable()) { |
6983 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
6984 | << VariantId << VariantRef->getSourceRange(); |
6985 | return None; |
6986 | } |
6987 | VariantRef = ER.get(); |
6988 | } else { |
6989 | FnPtrType = Context.getPointerType(FD->getType()); |
6990 | } |
6991 | QualType VarianPtrType = Context.getPointerType(VariantRef->getType()); |
6992 | if (VarianPtrType.getUnqualifiedType() != FnPtrType.getUnqualifiedType()) { |
6993 | ImplicitConversionSequence ICS = TryImplicitConversion( |
6994 | VariantRef, FnPtrType.getUnqualifiedType(), |
6995 | /*SuppressUserConversions=*/false, AllowedExplicit::None, |
6996 | /*InOverloadResolution=*/false, |
6997 | /*CStyle=*/false, |
6998 | /*AllowObjCWritebackConversion=*/false); |
6999 | if (ICS.isFailure()) { |
7000 | Diag(VariantRef->getExprLoc(), |
7001 | diag::err_omp_declare_variant_incompat_types) |
7002 | << VariantRef->getType() |
7003 | << ((Method && !Method->isStatic()) ? FnPtrType : FD->getType()) |
7004 | << VariantRef->getSourceRange(); |
7005 | return None; |
7006 | } |
7007 | VariantRefCast = PerformImplicitConversion( |
7008 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); |
7009 | if (!VariantRefCast.isUsable()) |
7010 | return None; |
7011 | } |
7012 | // Drop previously built artificial addr_of unary op for member functions. |
7013 | if (Method && !Method->isStatic()) { |
7014 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); |
7015 | if (auto *UO = dyn_cast<UnaryOperator>( |
7016 | PossibleAddrOfVariantRef->IgnoreImplicit())) |
7017 | VariantRefCast = UO->getSubExpr(); |
7018 | } |
7019 | } |
7020 | |
7021 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); |
7022 | if (!ER.isUsable() || |
7023 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { |
7024 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7025 | << VariantId << VariantRef->getSourceRange(); |
7026 | return None; |
7027 | } |
7028 | |
7029 | // The VariantRef must point to function. |
7030 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); |
7031 | if (!DRE) { |
7032 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7033 | << VariantId << VariantRef->getSourceRange(); |
7034 | return None; |
7035 | } |
7036 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); |
7037 | if (!NewFD) { |
7038 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) |
7039 | << VariantId << VariantRef->getSourceRange(); |
7040 | return None; |
7041 | } |
7042 | |
7043 | // Check if function types are compatible in C. |
7044 | if (!LangOpts.CPlusPlus) { |
7045 | QualType NewType = |
7046 | Context.mergeFunctionTypes(FD->getType(), NewFD->getType()); |
7047 | if (NewType.isNull()) { |
7048 | Diag(VariantRef->getExprLoc(), |
7049 | diag::err_omp_declare_variant_incompat_types) |
7050 | << NewFD->getType() << FD->getType() << VariantRef->getSourceRange(); |
7051 | return None; |
7052 | } |
7053 | if (NewType->isFunctionProtoType()) { |
7054 | if (FD->getType()->isFunctionNoProtoType()) |
7055 | setPrototype(*this, FD, NewFD, NewType); |
7056 | else if (NewFD->getType()->isFunctionNoProtoType()) |
7057 | setPrototype(*this, NewFD, FD, NewType); |
7058 | } |
7059 | } |
7060 | |
7061 | // Check if variant function is not marked with declare variant directive. |
7062 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { |
7063 | Diag(VariantRef->getExprLoc(), |
7064 | diag::warn_omp_declare_variant_marked_as_declare_variant) |
7065 | << VariantRef->getSourceRange(); |
7066 | SourceRange SR = |
7067 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); |
7068 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; |
7069 | return None; |
7070 | } |
7071 | |
7072 | enum DoesntSupport { |
7073 | VirtFuncs = 1, |
7074 | Constructors = 3, |
7075 | Destructors = 4, |
7076 | DeletedFuncs = 5, |
7077 | DefaultedFuncs = 6, |
7078 | ConstexprFuncs = 7, |
7079 | ConstevalFuncs = 8, |
7080 | }; |
7081 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { |
7082 | if (CXXFD->isVirtual()) { |
7083 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7084 | << VirtFuncs; |
7085 | return None; |
7086 | } |
7087 | |
7088 | if (isa<CXXConstructorDecl>(FD)) { |
7089 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7090 | << Constructors; |
7091 | return None; |
7092 | } |
7093 | |
7094 | if (isa<CXXDestructorDecl>(FD)) { |
7095 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7096 | << Destructors; |
7097 | return None; |
7098 | } |
7099 | } |
7100 | |
7101 | if (FD->isDeleted()) { |
7102 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7103 | << DeletedFuncs; |
7104 | return None; |
7105 | } |
7106 | |
7107 | if (FD->isDefaulted()) { |
7108 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7109 | << DefaultedFuncs; |
7110 | return None; |
7111 | } |
7112 | |
7113 | if (FD->isConstexpr()) { |
7114 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) |
7115 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); |
7116 | return None; |
7117 | } |
7118 | |
7119 | // Check general compatibility. |
7120 | if (areMultiversionVariantFunctionsCompatible( |
7121 | FD, NewFD, PartialDiagnostic::NullDiagnostic(), |
7122 | PartialDiagnosticAt(SourceLocation(), |
7123 | PartialDiagnostic::NullDiagnostic()), |
7124 | PartialDiagnosticAt( |
7125 | VariantRef->getExprLoc(), |
7126 | PDiag(diag::err_omp_declare_variant_doesnt_support)), |
7127 | PartialDiagnosticAt(VariantRef->getExprLoc(), |
7128 | PDiag(diag::err_omp_declare_variant_diff) |
7129 | << FD->getLocation()), |
7130 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false, |
7131 | /*CLinkageMayDiffer=*/true)) |
7132 | return None; |
7133 | return std::make_pair(FD, cast<Expr>(DRE)); |
7134 | } |
7135 | |
7136 | void Sema::ActOnOpenMPDeclareVariantDirective(FunctionDecl *FD, |
7137 | Expr *VariantRef, |
7138 | OMPTraitInfo &TI, |
7139 | SourceRange SR) { |
7140 | auto *NewAttr = |
7141 | OMPDeclareVariantAttr::CreateImplicit(Context, VariantRef, &TI, SR); |
7142 | FD->addAttr(NewAttr); |
7143 | } |
7144 | |
7145 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, |
7146 | Stmt *AStmt, |
7147 | SourceLocation StartLoc, |
7148 | SourceLocation EndLoc) { |
7149 | if (!AStmt) |
7150 | return StmtError(); |
7151 | |
7152 | auto *CS = cast<CapturedStmt>(AStmt); |
7153 | // 1.2.2 OpenMP Language Terminology |
7154 | // Structured block - An executable statement with a single entry at the |
7155 | // top and a single exit at the bottom. |
7156 | // The point of exit cannot be a branch out of the structured block. |
7157 | // longjmp() and throw() must not violate the entry/exit criteria. |
7158 | CS->getCapturedDecl()->setNothrow(); |
7159 | |
7160 | setFunctionHasBranchProtectedScope(); |
7161 | |
7162 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
7163 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), |
7164 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
7165 | } |
7166 | |
7167 | namespace { |
7168 | /// Iteration space of a single for loop. |
7169 | struct LoopIterationSpace final { |
7170 | /// True if the condition operator is the strict compare operator (<, > or |
7171 | /// !=). |
7172 | bool IsStrictCompare = false; |
7173 | /// Condition of the loop. |
7174 | Expr *PreCond = nullptr; |
7175 | /// This expression calculates the number of iterations in the loop. |
7176 | /// It is always possible to calculate it before starting the loop. |
7177 | Expr *NumIterations = nullptr; |
7178 | /// The loop counter variable. |
7179 | Expr *CounterVar = nullptr; |
7180 | /// Private loop counter variable. |
7181 | Expr *PrivateCounterVar = nullptr; |
7182 | /// This is initializer for the initial value of #CounterVar. |
7183 | Expr *CounterInit = nullptr; |
7184 | /// This is step for the #CounterVar used to generate its update: |
7185 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. |
7186 | Expr *CounterStep = nullptr; |
7187 | /// Should step be subtracted? |
7188 | bool Subtract = false; |
7189 | /// Source range of the loop init. |
7190 | SourceRange InitSrcRange; |
7191 | /// Source range of the loop condition. |
7192 | SourceRange CondSrcRange; |
7193 | /// Source range of the loop increment. |
7194 | SourceRange IncSrcRange; |
7195 | /// Minimum value that can have the loop control variable. Used to support |
7196 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, |
7197 | /// since only such variables can be used in non-loop invariant expressions. |
7198 | Expr *MinValue = nullptr; |
7199 | /// Maximum value that can have the loop control variable. Used to support |
7200 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, |
7201 | /// since only such variables can be used in non-loop invariant expressions. |
7202 | Expr *MaxValue = nullptr; |
7203 | /// true, if the lower bound depends on the outer loop control var. |
7204 | bool IsNonRectangularLB = false; |
7205 | /// true, if the upper bound depends on the outer loop control var. |
7206 | bool IsNonRectangularUB = false; |
7207 | /// Index of the loop this loop depends on and forms non-rectangular loop |
7208 | /// nest. |
7209 | unsigned LoopDependentIdx = 0; |
7210 | /// Final condition for the non-rectangular loop nest support. It is used to |
7211 | /// check that the number of iterations for this particular counter must be |
7212 | /// finished. |
7213 | Expr *FinalCondition = nullptr; |
7214 | }; |
7215 | |
7216 | /// Helper class for checking canonical form of the OpenMP loops and |
7217 | /// extracting iteration space of each loop in the loop nest, that will be used |
7218 | /// for IR generation. |
7219 | class OpenMPIterationSpaceChecker { |
7220 | /// Reference to Sema. |
7221 | Sema &SemaRef; |
7222 | /// Does the loop associated directive support non-rectangular loops? |
7223 | bool SupportsNonRectangular; |
7224 | /// Data-sharing stack. |
7225 | DSAStackTy &Stack; |
7226 | /// A location for diagnostics (when there is no some better location). |
7227 | SourceLocation DefaultLoc; |
7228 | /// A location for diagnostics (when increment is not compatible). |
7229 | SourceLocation ConditionLoc; |
7230 | /// A source location for referring to loop init later. |
7231 | SourceRange InitSrcRange; |
7232 | /// A source location for referring to condition later. |
7233 | SourceRange ConditionSrcRange; |
7234 | /// A source location for referring to increment later. |
7235 | SourceRange IncrementSrcRange; |
7236 | /// Loop variable. |
7237 | ValueDecl *LCDecl = nullptr; |
7238 | /// Reference to loop variable. |
7239 | Expr *LCRef = nullptr; |
7240 | /// Lower bound (initializer for the var). |
7241 | Expr *LB = nullptr; |
7242 | /// Upper bound. |
7243 | Expr *UB = nullptr; |
7244 | /// Loop step (increment). |
7245 | Expr *Step = nullptr; |
7246 | /// This flag is true when condition is one of: |
7247 | /// Var < UB |
7248 | /// Var <= UB |
7249 | /// UB > Var |
7250 | /// UB >= Var |
7251 | /// This will have no value when the condition is != |
7252 | llvm::Optional<bool> TestIsLessOp; |
7253 | /// This flag is true when condition is strict ( < or > ). |
7254 | bool TestIsStrictOp = false; |
7255 | /// This flag is true when step is subtracted on each iteration. |
7256 | bool SubtractStep = false; |
7257 | /// The outer loop counter this loop depends on (if any). |
7258 | const ValueDecl *DepDecl = nullptr; |
7259 | /// Contains number of loop (starts from 1) on which loop counter init |
7260 | /// expression of this loop depends on. |
7261 | Optional<unsigned> InitDependOnLC; |
7262 | /// Contains number of loop (starts from 1) on which loop counter condition |
7263 | /// expression of this loop depends on. |
7264 | Optional<unsigned> CondDependOnLC; |
7265 | /// Checks if the provide statement depends on the loop counter. |
7266 | Optional<unsigned> doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); |
7267 | /// Original condition required for checking of the exit condition for |
7268 | /// non-rectangular loop. |
7269 | Expr *Condition = nullptr; |
7270 | |
7271 | public: |
7272 | OpenMPIterationSpaceChecker(Sema &SemaRef, bool SupportsNonRectangular, |
7273 | DSAStackTy &Stack, SourceLocation DefaultLoc) |
7274 | : SemaRef(SemaRef), SupportsNonRectangular(SupportsNonRectangular), |
7275 | Stack(Stack), DefaultLoc(DefaultLoc), ConditionLoc(DefaultLoc) {} |
7276 | /// Check init-expr for canonical loop form and save loop counter |
7277 | /// variable - #Var and its initialization value - #LB. |
7278 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); |
7279 | /// Check test-expr for canonical form, save upper-bound (#UB), flags |
7280 | /// for less/greater and for strict/non-strict comparison. |
7281 | bool checkAndSetCond(Expr *S); |
7282 | /// Check incr-expr for canonical loop form and return true if it |
7283 | /// does not conform, otherwise save loop step (#Step). |
7284 | bool checkAndSetInc(Expr *S); |
7285 | /// Return the loop counter variable. |
7286 | ValueDecl *getLoopDecl() const { return LCDecl; } |
7287 | /// Return the reference expression to loop counter variable. |
7288 | Expr *getLoopDeclRefExpr() const { return LCRef; } |
7289 | /// Source range of the loop init. |
7290 | SourceRange getInitSrcRange() const { return InitSrcRange; } |
7291 | /// Source range of the loop condition. |
7292 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } |
7293 | /// Source range of the loop increment. |
7294 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } |
7295 | /// True if the step should be subtracted. |
7296 | bool shouldSubtractStep() const { return SubtractStep; } |
7297 | /// True, if the compare operator is strict (<, > or !=). |
7298 | bool isStrictTestOp() const { return TestIsStrictOp; } |
7299 | /// Build the expression to calculate the number of iterations. |
7300 | Expr *buildNumIterations( |
7301 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, |
7302 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7303 | /// Build the precondition expression for the loops. |
7304 | Expr * |
7305 | buildPreCond(Scope *S, Expr *Cond, |
7306 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7307 | /// Build reference expression to the counter be used for codegen. |
7308 | DeclRefExpr * |
7309 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
7310 | DSAStackTy &DSA) const; |
7311 | /// Build reference expression to the private counter be used for |
7312 | /// codegen. |
7313 | Expr *buildPrivateCounterVar() const; |
7314 | /// Build initialization of the counter be used for codegen. |
7315 | Expr *buildCounterInit() const; |
7316 | /// Build step of the counter be used for codegen. |
7317 | Expr *buildCounterStep() const; |
7318 | /// Build loop data with counter value for depend clauses in ordered |
7319 | /// directives. |
7320 | Expr * |
7321 | buildOrderedLoopData(Scope *S, Expr *Counter, |
7322 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
7323 | SourceLocation Loc, Expr *Inc = nullptr, |
7324 | OverloadedOperatorKind OOK = OO_Amp); |
7325 | /// Builds the minimum value for the loop counter. |
7326 | std::pair<Expr *, Expr *> buildMinMaxValues( |
7327 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; |
7328 | /// Builds final condition for the non-rectangular loops. |
7329 | Expr *buildFinalCondition(Scope *S) const; |
7330 | /// Return true if any expression is dependent. |
7331 | bool dependent() const; |
7332 | /// Returns true if the initializer forms non-rectangular loop. |
7333 | bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } |
7334 | /// Returns true if the condition forms non-rectangular loop. |
7335 | bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } |
7336 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. |
7337 | unsigned getLoopDependentIdx() const { |
7338 | return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); |
7339 | } |
7340 | |
7341 | private: |
7342 | /// Check the right-hand side of an assignment in the increment |
7343 | /// expression. |
7344 | bool checkAndSetIncRHS(Expr *RHS); |
7345 | /// Helper to set loop counter variable and its initializer. |
7346 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, |
7347 | bool EmitDiags); |
7348 | /// Helper to set upper bound. |
7349 | bool setUB(Expr *NewUB, llvm::Optional<bool> LessOp, bool StrictOp, |
7350 | SourceRange SR, SourceLocation SL); |
7351 | /// Helper to set loop increment. |
7352 | bool setStep(Expr *NewStep, bool Subtract); |
7353 | }; |
7354 | |
7355 | bool OpenMPIterationSpaceChecker::dependent() const { |
7356 | if (!LCDecl) { |
7357 | assert(!LB && !UB && !Step)(static_cast<void> (0)); |
7358 | return false; |
7359 | } |
7360 | return LCDecl->getType()->isDependentType() || |
7361 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || |
7362 | (Step && Step->isValueDependent()); |
7363 | } |
7364 | |
7365 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, |
7366 | Expr *NewLCRefExpr, |
7367 | Expr *NewLB, bool EmitDiags) { |
7368 | // State consistency checking to ensure correct usage. |
7369 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&(static_cast<void> (0)) |
7370 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)(static_cast<void> (0)); |
7371 | if (!NewLCDecl || !NewLB || NewLB->containsErrors()) |
7372 | return true; |
7373 | LCDecl = getCanonicalDecl(NewLCDecl); |
7374 | LCRef = NewLCRefExpr; |
7375 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) |
7376 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) |
7377 | if ((Ctor->isCopyOrMoveConstructor() || |
7378 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && |
7379 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) |
7380 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); |
7381 | LB = NewLB; |
7382 | if (EmitDiags) |
7383 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); |
7384 | return false; |
7385 | } |
7386 | |
7387 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, |
7388 | llvm::Optional<bool> LessOp, |
7389 | bool StrictOp, SourceRange SR, |
7390 | SourceLocation SL) { |
7391 | // State consistency checking to ensure correct usage. |
7392 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&(static_cast<void> (0)) |
7393 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)(static_cast<void> (0)); |
7394 | if (!NewUB || NewUB->containsErrors()) |
7395 | return true; |
7396 | UB = NewUB; |
7397 | if (LessOp) |
7398 | TestIsLessOp = LessOp; |
7399 | TestIsStrictOp = StrictOp; |
7400 | ConditionSrcRange = SR; |
7401 | ConditionLoc = SL; |
7402 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); |
7403 | return false; |
7404 | } |
7405 | |
7406 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { |
7407 | // State consistency checking to ensure correct usage. |
7408 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)(static_cast<void> (0)); |
7409 | if (!NewStep || NewStep->containsErrors()) |
7410 | return true; |
7411 | if (!NewStep->isValueDependent()) { |
7412 | // Check that the step is integer expression. |
7413 | SourceLocation StepLoc = NewStep->getBeginLoc(); |
7414 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( |
7415 | StepLoc, getExprAsWritten(NewStep)); |
7416 | if (Val.isInvalid()) |
7417 | return true; |
7418 | NewStep = Val.get(); |
7419 | |
7420 | // OpenMP [2.6, Canonical Loop Form, Restrictions] |
7421 | // If test-expr is of form var relational-op b and relational-op is < or |
7422 | // <= then incr-expr must cause var to increase on each iteration of the |
7423 | // loop. If test-expr is of form var relational-op b and relational-op is |
7424 | // > or >= then incr-expr must cause var to decrease on each iteration of |
7425 | // the loop. |
7426 | // If test-expr is of form b relational-op var and relational-op is < or |
7427 | // <= then incr-expr must cause var to decrease on each iteration of the |
7428 | // loop. If test-expr is of form b relational-op var and relational-op is |
7429 | // > or >= then incr-expr must cause var to increase on each iteration of |
7430 | // the loop. |
7431 | Optional<llvm::APSInt> Result = |
7432 | NewStep->getIntegerConstantExpr(SemaRef.Context); |
7433 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); |
7434 | bool IsConstNeg = |
7435 | Result && Result->isSigned() && (Subtract != Result->isNegative()); |
7436 | bool IsConstPos = |
7437 | Result && Result->isSigned() && (Subtract == Result->isNegative()); |
7438 | bool IsConstZero = Result && !Result->getBoolValue(); |
7439 | |
7440 | // != with increment is treated as <; != with decrement is treated as > |
7441 | if (!TestIsLessOp.hasValue()) |
7442 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); |
7443 | if (UB && (IsConstZero || |
7444 | (TestIsLessOp.getValue() ? |
7445 | (IsConstNeg || (IsUnsigned && Subtract)) : |
7446 | (IsConstPos || (IsUnsigned && !Subtract))))) { |
7447 | SemaRef.Diag(NewStep->getExprLoc(), |
7448 | diag::err_omp_loop_incr_not_compatible) |
7449 | << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); |
7450 | SemaRef.Diag(ConditionLoc, |
7451 | diag::note_omp_loop_cond_requres_compatible_incr) |
7452 | << TestIsLessOp.getValue() << ConditionSrcRange; |
7453 | return true; |
7454 | } |
7455 | if (TestIsLessOp.getValue() == Subtract) { |
7456 | NewStep = |
7457 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) |
7458 | .get(); |
7459 | Subtract = !Subtract; |
7460 | } |
7461 | } |
7462 | |
7463 | Step = NewStep; |
7464 | SubtractStep = Subtract; |
7465 | return false; |
7466 | } |
7467 | |
7468 | namespace { |
7469 | /// Checker for the non-rectangular loops. Checks if the initializer or |
7470 | /// condition expression references loop counter variable. |
7471 | class LoopCounterRefChecker final |
7472 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { |
7473 | Sema &SemaRef; |
7474 | DSAStackTy &Stack; |
7475 | const ValueDecl *CurLCDecl = nullptr; |
7476 | const ValueDecl *DepDecl = nullptr; |
7477 | const ValueDecl *PrevDepDecl = nullptr; |
7478 | bool IsInitializer = true; |
7479 | bool SupportsNonRectangular; |
7480 | unsigned BaseLoopId = 0; |
7481 | bool checkDecl(const Expr *E, const ValueDecl *VD) { |
7482 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { |
7483 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) |
7484 | << (IsInitializer ? 0 : 1); |
7485 | return false; |
7486 | } |
7487 | const auto &&Data = Stack.isLoopControlVariable(VD); |
7488 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. |
7489 | // The type of the loop iterator on which we depend may not have a random |
7490 | // access iterator type. |
7491 | if (Data.first && VD->getType()->isRecordType()) { |
7492 | SmallString<128> Name; |
7493 | llvm::raw_svector_ostream OS(Name); |
7494 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), |
7495 | /*Qualified=*/true); |
7496 | SemaRef.Diag(E->getExprLoc(), |
7497 | diag::err_omp_wrong_dependency_iterator_type) |
7498 | << OS.str(); |
7499 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; |
7500 | return false; |
7501 | } |
7502 | if (Data.first && !SupportsNonRectangular) { |
7503 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_invariant_dependency); |
7504 | return false; |
7505 | } |
7506 | if (Data.first && |
7507 | (DepDecl || (PrevDepDecl && |
7508 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { |
7509 | if (!DepDecl && PrevDepDecl) |
7510 | DepDecl = PrevDepDecl; |
7511 | SmallString<128> Name; |
7512 | llvm::raw_svector_ostream OS(Name); |
7513 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), |
7514 | /*Qualified=*/true); |
7515 | SemaRef.Diag(E->getExprLoc(), |
7516 | diag::err_omp_invariant_or_linear_dependency) |
7517 | << OS.str(); |
7518 | return false; |
7519 | } |
7520 | if (Data.first) { |
7521 | DepDecl = VD; |
7522 | BaseLoopId = Data.first; |
7523 | } |
7524 | return Data.first; |
7525 | } |
7526 | |
7527 | public: |
7528 | bool VisitDeclRefExpr(const DeclRefExpr *E) { |
7529 | const ValueDecl *VD = E->getDecl(); |
7530 | if (isa<VarDecl>(VD)) |
7531 | return checkDecl(E, VD); |
7532 | return false; |
7533 | } |
7534 | bool VisitMemberExpr(const MemberExpr *E) { |
7535 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { |
7536 | const ValueDecl *VD = E->getMemberDecl(); |
7537 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) |
7538 | return checkDecl(E, VD); |
7539 | } |
7540 | return false; |
7541 | } |
7542 | bool VisitStmt(const Stmt *S) { |
7543 | bool Res = false; |
7544 | for (const Stmt *Child : S->children()) |
7545 | Res = (Child && Visit(Child)) || Res; |
7546 | return Res; |
7547 | } |
7548 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, |
7549 | const ValueDecl *CurLCDecl, bool IsInitializer, |
7550 | const ValueDecl *PrevDepDecl = nullptr, |
7551 | bool SupportsNonRectangular = true) |
7552 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), |
7553 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer), |
7554 | SupportsNonRectangular(SupportsNonRectangular) {} |
7555 | unsigned getBaseLoopId() const { |
7556 | assert(CurLCDecl && "Expected loop dependency.")(static_cast<void> (0)); |
7557 | return BaseLoopId; |
7558 | } |
7559 | const ValueDecl *getDepDecl() const { |
7560 | assert(CurLCDecl && "Expected loop dependency.")(static_cast<void> (0)); |
7561 | return DepDecl; |
7562 | } |
7563 | }; |
7564 | } // namespace |
7565 | |
7566 | Optional<unsigned> |
7567 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, |
7568 | bool IsInitializer) { |
7569 | // Check for the non-rectangular loops. |
7570 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, |
7571 | DepDecl, SupportsNonRectangular); |
7572 | if (LoopStmtChecker.Visit(S)) { |
7573 | DepDecl = LoopStmtChecker.getDepDecl(); |
7574 | return LoopStmtChecker.getBaseLoopId(); |
7575 | } |
7576 | return llvm::None; |
7577 | } |
7578 | |
7579 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { |
7580 | // Check init-expr for canonical loop form and save loop counter |
7581 | // variable - #Var and its initialization value - #LB. |
7582 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: |
7583 | // var = lb |
7584 | // integer-type var = lb |
7585 | // random-access-iterator-type var = lb |
7586 | // pointer-type var = lb |
7587 | // |
7588 | if (!S) { |
7589 | if (EmitDiags) { |
7590 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); |
7591 | } |
7592 | return true; |
7593 | } |
7594 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) |
7595 | if (!ExprTemp->cleanupsHaveSideEffects()) |
7596 | S = ExprTemp->getSubExpr(); |
7597 | |
7598 | InitSrcRange = S->getSourceRange(); |
7599 | if (Expr *E = dyn_cast<Expr>(S)) |
7600 | S = E->IgnoreParens(); |
7601 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
7602 | if (BO->getOpcode() == BO_Assign) { |
7603 | Expr *LHS = BO->getLHS()->IgnoreParens(); |
7604 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { |
7605 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) |
7606 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
7607 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7608 | EmitDiags); |
7609 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); |
7610 | } |
7611 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { |
7612 | if (ME->isArrow() && |
7613 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
7614 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7615 | EmitDiags); |
7616 | } |
7617 | } |
7618 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { |
7619 | if (DS->isSingleDecl()) { |
7620 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { |
7621 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { |
7622 | // Accept non-canonical init form here but emit ext. warning. |
7623 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) |
7624 | SemaRef.Diag(S->getBeginLoc(), |
7625 | diag::ext_omp_loop_not_canonical_init) |
7626 | << S->getSourceRange(); |
7627 | return setLCDeclAndLB( |
7628 | Var, |
7629 | buildDeclRefExpr(SemaRef, Var, |
7630 | Var->getType().getNonReferenceType(), |
7631 | DS->getBeginLoc()), |
7632 | Var->getInit(), EmitDiags); |
7633 | } |
7634 | } |
7635 | } |
7636 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
7637 | if (CE->getOperator() == OO_Equal) { |
7638 | Expr *LHS = CE->getArg(0); |
7639 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { |
7640 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) |
7641 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) |
7642 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7643 | EmitDiags); |
7644 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); |
7645 | } |
7646 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { |
7647 | if (ME->isArrow() && |
7648 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
7649 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), |
7650 | EmitDiags); |
7651 | } |
7652 | } |
7653 | } |
7654 | |
7655 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
7656 | return false; |
7657 | if (EmitDiags) { |
7658 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) |
7659 | << S->getSourceRange(); |
7660 | } |
7661 | return true; |
7662 | } |
7663 | |
7664 | /// Ignore parenthesizes, implicit casts, copy constructor and return the |
7665 | /// variable (which may be the loop variable) if possible. |
7666 | static const ValueDecl *getInitLCDecl(const Expr *E) { |
7667 | if (!E) |
7668 | return nullptr; |
7669 | E = getExprAsWritten(E); |
7670 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) |
7671 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) |
7672 | if ((Ctor->isCopyOrMoveConstructor() || |
7673 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && |
7674 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) |
7675 | E = CE->getArg(0)->IgnoreParenImpCasts(); |
7676 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { |
7677 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) |
7678 | return getCanonicalDecl(VD); |
7679 | } |
7680 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) |
7681 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) |
7682 | return getCanonicalDecl(ME->getMemberDecl()); |
7683 | return nullptr; |
7684 | } |
7685 | |
7686 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { |
7687 | // Check test-expr for canonical form, save upper-bound UB, flags for |
7688 | // less/greater and for strict/non-strict comparison. |
7689 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: |
7690 | // var relational-op b |
7691 | // b relational-op var |
7692 | // |
7693 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; |
7694 | if (!S) { |
7695 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) |
7696 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; |
7697 | return true; |
7698 | } |
7699 | Condition = S; |
7700 | S = getExprAsWritten(S); |
7701 | SourceLocation CondLoc = S->getBeginLoc(); |
7702 | auto &&CheckAndSetCond = [this, IneqCondIsCanonical]( |
7703 | BinaryOperatorKind Opcode, const Expr *LHS, |
7704 | const Expr *RHS, SourceRange SR, |
7705 | SourceLocation OpLoc) -> llvm::Optional<bool> { |
7706 | if (BinaryOperator::isRelationalOp(Opcode)) { |
7707 | if (getInitLCDecl(LHS) == LCDecl) |
7708 | return setUB(const_cast<Expr *>(RHS), |
7709 | (Opcode == BO_LT || Opcode == BO_LE), |
7710 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); |
7711 | if (getInitLCDecl(RHS) == LCDecl) |
7712 | return setUB(const_cast<Expr *>(LHS), |
7713 | (Opcode == BO_GT || Opcode == BO_GE), |
7714 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); |
7715 | } else if (IneqCondIsCanonical && Opcode == BO_NE) { |
7716 | return setUB(const_cast<Expr *>(getInitLCDecl(LHS) == LCDecl ? RHS : LHS), |
7717 | /*LessOp=*/llvm::None, |
7718 | /*StrictOp=*/true, SR, OpLoc); |
7719 | } |
7720 | return llvm::None; |
7721 | }; |
7722 | llvm::Optional<bool> Res; |
7723 | if (auto *RBO = dyn_cast<CXXRewrittenBinaryOperator>(S)) { |
7724 | CXXRewrittenBinaryOperator::DecomposedForm DF = RBO->getDecomposedForm(); |
7725 | Res = CheckAndSetCond(DF.Opcode, DF.LHS, DF.RHS, RBO->getSourceRange(), |
7726 | RBO->getOperatorLoc()); |
7727 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
7728 | Res = CheckAndSetCond(BO->getOpcode(), BO->getLHS(), BO->getRHS(), |
7729 | BO->getSourceRange(), BO->getOperatorLoc()); |
7730 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
7731 | if (CE->getNumArgs() == 2) { |
7732 | Res = CheckAndSetCond( |
7733 | BinaryOperator::getOverloadedOpcode(CE->getOperator()), CE->getArg(0), |
7734 | CE->getArg(1), CE->getSourceRange(), CE->getOperatorLoc()); |
7735 | } |
7736 | } |
7737 | if (Res.hasValue()) |
7738 | return *Res; |
7739 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
7740 | return false; |
7741 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) |
7742 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; |
7743 | return true; |
7744 | } |
7745 | |
7746 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { |
7747 | // RHS of canonical loop form increment can be: |
7748 | // var + incr |
7749 | // incr + var |
7750 | // var - incr |
7751 | // |
7752 | RHS = RHS->IgnoreParenImpCasts(); |
7753 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { |
7754 | if (BO->isAdditiveOp()) { |
7755 | bool IsAdd = BO->getOpcode() == BO_Add; |
7756 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
7757 | return setStep(BO->getRHS(), !IsAdd); |
7758 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) |
7759 | return setStep(BO->getLHS(), /*Subtract=*/false); |
7760 | } |
7761 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { |
7762 | bool IsAdd = CE->getOperator() == OO_Plus; |
7763 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { |
7764 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
7765 | return setStep(CE->getArg(1), !IsAdd); |
7766 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) |
7767 | return setStep(CE->getArg(0), /*Subtract=*/false); |
7768 | } |
7769 | } |
7770 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
7771 | return false; |
7772 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) |
7773 | << RHS->getSourceRange() << LCDecl; |
7774 | return true; |
7775 | } |
7776 | |
7777 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { |
7778 | // Check incr-expr for canonical loop form and return true if it |
7779 | // does not conform. |
7780 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: |
7781 | // ++var |
7782 | // var++ |
7783 | // --var |
7784 | // var-- |
7785 | // var += incr |
7786 | // var -= incr |
7787 | // var = var + incr |
7788 | // var = incr + var |
7789 | // var = var - incr |
7790 | // |
7791 | if (!S) { |
7792 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; |
7793 | return true; |
7794 | } |
7795 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) |
7796 | if (!ExprTemp->cleanupsHaveSideEffects()) |
7797 | S = ExprTemp->getSubExpr(); |
7798 | |
7799 | IncrementSrcRange = S->getSourceRange(); |
7800 | S = S->IgnoreParens(); |
7801 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { |
7802 | if (UO->isIncrementDecrementOp() && |
7803 | getInitLCDecl(UO->getSubExpr()) == LCDecl) |
7804 | return setStep(SemaRef |
7805 | .ActOnIntegerConstant(UO->getBeginLoc(), |
7806 | (UO->isDecrementOp() ? -1 : 1)) |
7807 | .get(), |
7808 | /*Subtract=*/false); |
7809 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { |
7810 | switch (BO->getOpcode()) { |
7811 | case BO_AddAssign: |
7812 | case BO_SubAssign: |
7813 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
7814 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); |
7815 | break; |
7816 | case BO_Assign: |
7817 | if (getInitLCDecl(BO->getLHS()) == LCDecl) |
7818 | return checkAndSetIncRHS(BO->getRHS()); |
7819 | break; |
7820 | default: |
7821 | break; |
7822 | } |
7823 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { |
7824 | switch (CE->getOperator()) { |
7825 | case OO_PlusPlus: |
7826 | case OO_MinusMinus: |
7827 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
7828 | return setStep(SemaRef |
7829 | .ActOnIntegerConstant( |
7830 | CE->getBeginLoc(), |
7831 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) |
7832 | .get(), |
7833 | /*Subtract=*/false); |
7834 | break; |
7835 | case OO_PlusEqual: |
7836 | case OO_MinusEqual: |
7837 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
7838 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); |
7839 | break; |
7840 | case OO_Equal: |
7841 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) |
7842 | return checkAndSetIncRHS(CE->getArg(1)); |
7843 | break; |
7844 | default: |
7845 | break; |
7846 | } |
7847 | } |
7848 | if (dependent() || SemaRef.CurContext->isDependentContext()) |
7849 | return false; |
7850 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) |
7851 | << S->getSourceRange() << LCDecl; |
7852 | return true; |
7853 | } |
7854 | |
7855 | static ExprResult |
7856 | tryBuildCapture(Sema &SemaRef, Expr *Capture, |
7857 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
7858 | if (SemaRef.CurContext->isDependentContext() || Capture->containsErrors()) |
7859 | return Capture; |
7860 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) |
7861 | return SemaRef.PerformImplicitConversion( |
7862 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, |
7863 | /*AllowExplicit=*/true); |
7864 | auto I = Captures.find(Capture); |
7865 | if (I != Captures.end()) |
7866 | return buildCapture(SemaRef, Capture, I->second); |
7867 | DeclRefExpr *Ref = nullptr; |
7868 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); |
7869 | Captures[Capture] = Ref; |
7870 | return Res; |
7871 | } |
7872 | |
7873 | /// Calculate number of iterations, transforming to unsigned, if number of |
7874 | /// iterations may be larger than the original type. |
7875 | static Expr * |
7876 | calculateNumIters(Sema &SemaRef, Scope *S, SourceLocation DefaultLoc, |
7877 | Expr *Lower, Expr *Upper, Expr *Step, QualType LCTy, |
7878 | bool TestIsStrictOp, bool RoundToStep, |
7879 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
7880 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); |
7881 | if (!NewStep.isUsable()) |
7882 | return nullptr; |
7883 | llvm::APSInt LRes, SRes; |
7884 | bool IsLowerConst = false, IsStepConst = false; |
7885 | if (Optional<llvm::APSInt> Res = Lower->getIntegerConstantExpr(SemaRef.Context)) { |
7886 | LRes = *Res; |
7887 | IsLowerConst = true; |
7888 | } |
7889 | if (Optional<llvm::APSInt> Res = Step->getIntegerConstantExpr(SemaRef.Context)) { |
7890 | SRes = *Res; |
7891 | IsStepConst = true; |
7892 | } |
7893 | bool NoNeedToConvert = IsLowerConst && !RoundToStep && |
7894 | ((!TestIsStrictOp && LRes.isNonNegative()) || |
7895 | (TestIsStrictOp && LRes.isStrictlyPositive())); |
7896 | bool NeedToReorganize = false; |
7897 | // Check if any subexpressions in Lower -Step [+ 1] lead to overflow. |
7898 | if (!NoNeedToConvert && IsLowerConst && |
7899 | (TestIsStrictOp || (RoundToStep && IsStepConst))) { |
7900 | NoNeedToConvert = true; |
7901 | if (RoundToStep) { |
7902 | unsigned BW = LRes.getBitWidth() > SRes.getBitWidth() |
7903 | ? LRes.getBitWidth() |
7904 | : SRes.getBitWidth(); |
7905 | LRes = LRes.extend(BW + 1); |
7906 | LRes.setIsSigned(true); |
7907 | SRes = SRes.extend(BW + 1); |
7908 | SRes.setIsSigned(true); |
7909 | LRes -= SRes; |
7910 | NoNeedToConvert = LRes.trunc(BW).extend(BW + 1) == LRes; |
7911 | LRes = LRes.trunc(BW); |
7912 | } |
7913 | if (TestIsStrictOp) { |
7914 | unsigned BW = LRes.getBitWidth(); |
7915 | LRes = LRes.extend(BW + 1); |
7916 | LRes.setIsSigned(true); |
7917 | ++LRes; |
7918 | NoNeedToConvert = |
7919 | NoNeedToConvert && LRes.trunc(BW).extend(BW + 1) == LRes; |
7920 | // truncate to the original bitwidth. |
7921 | LRes = LRes.trunc(BW); |
7922 | } |
7923 | NeedToReorganize = NoNeedToConvert; |
7924 | } |
7925 | llvm::APSInt URes; |
7926 | bool IsUpperConst = false; |
7927 | if (Optional<llvm::APSInt> Res = Upper->getIntegerConstantExpr(SemaRef.Context)) { |
7928 | URes = *Res; |
7929 | IsUpperConst = true; |
7930 | } |
7931 | if (NoNeedToConvert && IsLowerConst && IsUpperConst && |
7932 | (!RoundToStep || IsStepConst)) { |
7933 | unsigned BW = LRes.getBitWidth() > URes.getBitWidth() ? LRes.getBitWidth() |
7934 | : URes.getBitWidth(); |
7935 | LRes = LRes.extend(BW + 1); |
7936 | LRes.setIsSigned(true); |
7937 | URes = URes.extend(BW + 1); |
7938 | URes.setIsSigned(true); |
7939 | URes -= LRes; |
7940 | NoNeedToConvert = URes.trunc(BW).extend(BW + 1) == URes; |
7941 | NeedToReorganize = NoNeedToConvert; |
7942 | } |
7943 | // If the boundaries are not constant or (Lower - Step [+ 1]) is not constant |
7944 | // or less than zero (Upper - (Lower - Step [+ 1]) may overflow) - promote to |
7945 | // unsigned. |
7946 | if ((!NoNeedToConvert || (LRes.isNegative() && !IsUpperConst)) && |
7947 | !LCTy->isDependentType() && LCTy->isIntegerType()) { |
7948 | QualType LowerTy = Lower->getType(); |
7949 | QualType UpperTy = Upper->getType(); |
7950 | uint64_t LowerSize = SemaRef.Context.getTypeSize(LowerTy); |
7951 | uint64_t UpperSize = SemaRef.Context.getTypeSize(UpperTy); |
7952 | if ((LowerSize <= UpperSize && UpperTy->hasSignedIntegerRepresentation()) || |
7953 | (LowerSize > UpperSize && LowerTy->hasSignedIntegerRepresentation())) { |
7954 | QualType CastType = SemaRef.Context.getIntTypeForBitwidth( |
7955 | LowerSize > UpperSize ? LowerSize : UpperSize, /*Signed=*/0); |
7956 | Upper = |
7957 | SemaRef |
7958 | .PerformImplicitConversion( |
7959 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), |
7960 | CastType, Sema::AA_Converting) |
7961 | .get(); |
7962 | Lower = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(); |
7963 | NewStep = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, NewStep.get()); |
7964 | } |
7965 | } |
7966 | if (!Lower || !Upper || NewStep.isInvalid()) |
7967 | return nullptr; |
7968 | |
7969 | ExprResult Diff; |
7970 | // If need to reorganize, then calculate the form as Upper - (Lower - Step [+ |
7971 | // 1]). |
7972 | if (NeedToReorganize) { |
7973 | Diff = Lower; |
7974 | |
7975 | if (RoundToStep) { |
7976 | // Lower - Step |
7977 | Diff = |
7978 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Diff.get(), NewStep.get()); |
7979 | if (!Diff.isUsable()) |
7980 | return nullptr; |
7981 | } |
7982 | |
7983 | // Lower - Step [+ 1] |
7984 | if (TestIsStrictOp) |
7985 | Diff = SemaRef.BuildBinOp( |
7986 | S, DefaultLoc, BO_Add, Diff.get(), |
7987 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
7988 | if (!Diff.isUsable()) |
7989 | return nullptr; |
7990 | |
7991 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
7992 | if (!Diff.isUsable()) |
7993 | return nullptr; |
7994 | |
7995 | // Upper - (Lower - Step [+ 1]). |
7996 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); |
7997 | if (!Diff.isUsable()) |
7998 | return nullptr; |
7999 | } else { |
8000 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); |
8001 | |
8002 | if (!Diff.isUsable() && LCTy->getAsCXXRecordDecl()) { |
8003 | // BuildBinOp already emitted error, this one is to point user to upper |
8004 | // and lower bound, and to tell what is passed to 'operator-'. |
8005 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) |
8006 | << Upper->getSourceRange() << Lower->getSourceRange(); |
8007 | return nullptr; |
8008 | } |
8009 | |
8010 | if (!Diff.isUsable()) |
8011 | return nullptr; |
8012 | |
8013 | // Upper - Lower [- 1] |
8014 | if (TestIsStrictOp) |
8015 | Diff = SemaRef.BuildBinOp( |
8016 | S, DefaultLoc, BO_Sub, Diff.get(), |
8017 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
8018 | if (!Diff.isUsable()) |
8019 | return nullptr; |
8020 | |
8021 | if (RoundToStep) { |
8022 | // Upper - Lower [- 1] + Step |
8023 | Diff = |
8024 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); |
8025 | if (!Diff.isUsable()) |
8026 | return nullptr; |
8027 | } |
8028 | } |
8029 | |
8030 | // Parentheses (for dumping/debugging purposes only). |
8031 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8032 | if (!Diff.isUsable()) |
8033 | return nullptr; |
8034 | |
8035 | // (Upper - Lower [- 1] + Step) / Step or (Upper - Lower) / Step |
8036 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); |
8037 | if (!Diff.isUsable()) |
8038 | return nullptr; |
8039 | |
8040 | return Diff.get(); |
8041 | } |
8042 | |
8043 | /// Build the expression to calculate the number of iterations. |
8044 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( |
8045 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, |
8046 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8047 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8048 | if (!VarType->isIntegerType() && !VarType->isPointerType() && |
8049 | !SemaRef.getLangOpts().CPlusPlus) |
8050 | return nullptr; |
8051 | Expr *LBVal = LB; |
8052 | Expr *UBVal = UB; |
8053 | // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : |
8054 | // max(LB(MinVal), LB(MaxVal)) |
8055 | if (InitDependOnLC) { |
8056 | const LoopIterationSpace &IS = ResultIterSpaces[*InitDependOnLC - 1]; |
8057 | if (!IS.MinValue || !IS.MaxValue) |
8058 | return nullptr; |
8059 | // OuterVar = Min |
8060 | ExprResult MinValue = |
8061 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); |
8062 | if (!MinValue.isUsable()) |
8063 | return nullptr; |
8064 | |
8065 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8066 | IS.CounterVar, MinValue.get()); |
8067 | if (!LBMinVal.isUsable()) |
8068 | return nullptr; |
8069 | // OuterVar = Min, LBVal |
8070 | LBMinVal = |
8071 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); |
8072 | if (!LBMinVal.isUsable()) |
8073 | return nullptr; |
8074 | // (OuterVar = Min, LBVal) |
8075 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); |
8076 | if (!LBMinVal.isUsable()) |
8077 | return nullptr; |
8078 | |
8079 | // OuterVar = Max |
8080 | ExprResult MaxValue = |
8081 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); |
8082 | if (!MaxValue.isUsable()) |
8083 | return nullptr; |
8084 | |
8085 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8086 | IS.CounterVar, MaxValue.get()); |
8087 | if (!LBMaxVal.isUsable()) |
8088 | return nullptr; |
8089 | // OuterVar = Max, LBVal |
8090 | LBMaxVal = |
8091 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); |
8092 | if (!LBMaxVal.isUsable()) |
8093 | return nullptr; |
8094 | // (OuterVar = Max, LBVal) |
8095 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); |
8096 | if (!LBMaxVal.isUsable()) |
8097 | return nullptr; |
8098 | |
8099 | Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); |
8100 | Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); |
8101 | if (!LBMin || !LBMax) |
8102 | return nullptr; |
8103 | // LB(MinVal) < LB(MaxVal) |
8104 | ExprResult MinLessMaxRes = |
8105 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); |
8106 | if (!MinLessMaxRes.isUsable()) |
8107 | return nullptr; |
8108 | Expr *MinLessMax = |
8109 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); |
8110 | if (!MinLessMax) |
8111 | return nullptr; |
8112 | if (TestIsLessOp.getValue()) { |
8113 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), |
8114 | // LB(MaxVal)) |
8115 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, |
8116 | MinLessMax, LBMin, LBMax); |
8117 | if (!MinLB.isUsable()) |
8118 | return nullptr; |
8119 | LBVal = MinLB.get(); |
8120 | } else { |
8121 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), |
8122 | // LB(MaxVal)) |
8123 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, |
8124 | MinLessMax, LBMax, LBMin); |
8125 | if (!MaxLB.isUsable()) |
8126 | return nullptr; |
8127 | LBVal = MaxLB.get(); |
8128 | } |
8129 | } |
8130 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : |
8131 | // min(UB(MinVal), UB(MaxVal)) |
8132 | if (CondDependOnLC) { |
8133 | const LoopIterationSpace &IS = ResultIterSpaces[*CondDependOnLC - 1]; |
8134 | if (!IS.MinValue || !IS.MaxValue) |
8135 | return nullptr; |
8136 | // OuterVar = Min |
8137 | ExprResult MinValue = |
8138 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); |
8139 | if (!MinValue.isUsable()) |
8140 | return nullptr; |
8141 | |
8142 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8143 | IS.CounterVar, MinValue.get()); |
8144 | if (!UBMinVal.isUsable()) |
8145 | return nullptr; |
8146 | // OuterVar = Min, UBVal |
8147 | UBMinVal = |
8148 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); |
8149 | if (!UBMinVal.isUsable()) |
8150 | return nullptr; |
8151 | // (OuterVar = Min, UBVal) |
8152 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); |
8153 | if (!UBMinVal.isUsable()) |
8154 | return nullptr; |
8155 | |
8156 | // OuterVar = Max |
8157 | ExprResult MaxValue = |
8158 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); |
8159 | if (!MaxValue.isUsable()) |
8160 | return nullptr; |
8161 | |
8162 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, |
8163 | IS.CounterVar, MaxValue.get()); |
8164 | if (!UBMaxVal.isUsable()) |
8165 | return nullptr; |
8166 | // OuterVar = Max, UBVal |
8167 | UBMaxVal = |
8168 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); |
8169 | if (!UBMaxVal.isUsable()) |
8170 | return nullptr; |
8171 | // (OuterVar = Max, UBVal) |
8172 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); |
8173 | if (!UBMaxVal.isUsable()) |
8174 | return nullptr; |
8175 | |
8176 | Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); |
8177 | Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); |
8178 | if (!UBMin || !UBMax) |
8179 | return nullptr; |
8180 | // UB(MinVal) > UB(MaxVal) |
8181 | ExprResult MinGreaterMaxRes = |
8182 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); |
8183 | if (!MinGreaterMaxRes.isUsable()) |
8184 | return nullptr; |
8185 | Expr *MinGreaterMax = |
8186 | tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); |
8187 | if (!MinGreaterMax) |
8188 | return nullptr; |
8189 | if (TestIsLessOp.getValue()) { |
8190 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), |
8191 | // UB(MaxVal)) |
8192 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( |
8193 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); |
8194 | if (!MaxUB.isUsable()) |
8195 | return nullptr; |
8196 | UBVal = MaxUB.get(); |
8197 | } else { |
8198 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), |
8199 | // UB(MaxVal)) |
8200 | ExprResult MinUB = SemaRef.ActOnConditionalOp( |
8201 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); |
8202 | if (!MinUB.isUsable()) |
8203 | return nullptr; |
8204 | UBVal = MinUB.get(); |
8205 | } |
8206 | } |
8207 | Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; |
8208 | Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; |
8209 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); |
8210 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); |
8211 | if (!Upper || !Lower) |
8212 | return nullptr; |
8213 | |
8214 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, |
8215 | Step, VarType, TestIsStrictOp, |
8216 | /*RoundToStep=*/true, Captures); |
8217 | if (!Diff.isUsable()) |
8218 | return nullptr; |
8219 | |
8220 | // OpenMP runtime requires 32-bit or 64-bit loop variables. |
8221 | QualType Type = Diff.get()->getType(); |
8222 | ASTContext &C = SemaRef.Context; |
8223 | bool UseVarType = VarType->hasIntegerRepresentation() && |
8224 | C.getTypeSize(Type) > C.getTypeSize(VarType); |
8225 | if (!Type->isIntegerType() || UseVarType) { |
8226 | unsigned NewSize = |
8227 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); |
8228 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() |
8229 | : Type->hasSignedIntegerRepresentation(); |
8230 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); |
8231 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { |
8232 | Diff = SemaRef.PerformImplicitConversion( |
8233 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); |
8234 | if (!Diff.isUsable()) |
8235 | return nullptr; |
8236 | } |
8237 | } |
8238 | if (LimitedType) { |
8239 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; |
8240 | if (NewSize != C.getTypeSize(Type)) { |
8241 | if (NewSize < C.getTypeSize(Type)) { |
8242 | assert(NewSize == 64 && "incorrect loop var size")(static_cast<void> (0)); |
8243 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) |
8244 | << InitSrcRange << ConditionSrcRange; |
8245 | } |
8246 | QualType NewType = C.getIntTypeForBitwidth( |
8247 | NewSize, Type->hasSignedIntegerRepresentation() || |
8248 | C.getTypeSize(Type) < NewSize); |
8249 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { |
8250 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, |
8251 | Sema::AA_Converting, true); |
8252 | if (!Diff.isUsable()) |
8253 | return nullptr; |
8254 | } |
8255 | } |
8256 | } |
8257 | |
8258 | return Diff.get(); |
8259 | } |
8260 | |
8261 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( |
8262 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8263 | // Do not build for iterators, they cannot be used in non-rectangular loop |
8264 | // nests. |
8265 | if (LCDecl->getType()->isRecordType()) |
8266 | return std::make_pair(nullptr, nullptr); |
8267 | // If we subtract, the min is in the condition, otherwise the min is in the |
8268 | // init value. |
8269 | Expr *MinExpr = nullptr; |
8270 | Expr *MaxExpr = nullptr; |
8271 | Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; |
8272 | Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; |
8273 | bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() |
8274 | : CondDependOnLC.hasValue(); |
8275 | bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() |
8276 | : InitDependOnLC.hasValue(); |
8277 | Expr *Lower = |
8278 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); |
8279 | Expr *Upper = |
8280 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); |
8281 | if (!Upper || !Lower) |
8282 | return std::make_pair(nullptr, nullptr); |
8283 | |
8284 | if (TestIsLessOp.getValue()) |
8285 | MinExpr = Lower; |
8286 | else |
8287 | MaxExpr = Upper; |
8288 | |
8289 | // Build minimum/maximum value based on number of iterations. |
8290 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8291 | |
8292 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, |
8293 | Step, VarType, TestIsStrictOp, |
8294 | /*RoundToStep=*/false, Captures); |
8295 | if (!Diff.isUsable()) |
8296 | return std::make_pair(nullptr, nullptr); |
8297 | |
8298 | // ((Upper - Lower [- 1]) / Step) * Step |
8299 | // Parentheses (for dumping/debugging purposes only). |
8300 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8301 | if (!Diff.isUsable()) |
8302 | return std::make_pair(nullptr, nullptr); |
8303 | |
8304 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); |
8305 | if (!NewStep.isUsable()) |
8306 | return std::make_pair(nullptr, nullptr); |
8307 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); |
8308 | if (!Diff.isUsable()) |
8309 | return std::make_pair(nullptr, nullptr); |
8310 | |
8311 | // Parentheses (for dumping/debugging purposes only). |
8312 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); |
8313 | if (!Diff.isUsable()) |
8314 | return std::make_pair(nullptr, nullptr); |
8315 | |
8316 | // Convert to the ptrdiff_t, if original type is pointer. |
8317 | if (VarType->isAnyPointerType() && |
8318 | !SemaRef.Context.hasSameType( |
8319 | Diff.get()->getType(), |
8320 | SemaRef.Context.getUnsignedPointerDiffType())) { |
8321 | Diff = SemaRef.PerformImplicitConversion( |
8322 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), |
8323 | Sema::AA_Converting, /*AllowExplicit=*/true); |
8324 | } |
8325 | if (!Diff.isUsable()) |
8326 | return std::make_pair(nullptr, nullptr); |
8327 | |
8328 | if (TestIsLessOp.getValue()) { |
8329 | // MinExpr = Lower; |
8330 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) |
8331 | Diff = SemaRef.BuildBinOp( |
8332 | S, DefaultLoc, BO_Add, |
8333 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(), |
8334 | Diff.get()); |
8335 | if (!Diff.isUsable()) |
8336 | return std::make_pair(nullptr, nullptr); |
8337 | } else { |
8338 | // MaxExpr = Upper; |
8339 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) |
8340 | Diff = SemaRef.BuildBinOp( |
8341 | S, DefaultLoc, BO_Sub, |
8342 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), |
8343 | Diff.get()); |
8344 | if (!Diff.isUsable()) |
8345 | return std::make_pair(nullptr, nullptr); |
8346 | } |
8347 | |
8348 | // Convert to the original type. |
8349 | if (SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) |
8350 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), VarType, |
8351 | Sema::AA_Converting, |
8352 | /*AllowExplicit=*/true); |
8353 | if (!Diff.isUsable()) |
8354 | return std::make_pair(nullptr, nullptr); |
8355 | |
8356 | Sema::TentativeAnalysisScope Trap(SemaRef); |
8357 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue=*/false); |
8358 | if (!Diff.isUsable()) |
8359 | return std::make_pair(nullptr, nullptr); |
8360 | |
8361 | if (TestIsLessOp.getValue()) |
8362 | MaxExpr = Diff.get(); |
8363 | else |
8364 | MinExpr = Diff.get(); |
8365 | |
8366 | return std::make_pair(MinExpr, MaxExpr); |
8367 | } |
8368 | |
8369 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { |
8370 | if (InitDependOnLC || CondDependOnLC) |
8371 | return Condition; |
8372 | return nullptr; |
8373 | } |
8374 | |
8375 | Expr *OpenMPIterationSpaceChecker::buildPreCond( |
8376 | Scope *S, Expr *Cond, |
8377 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { |
8378 | // Do not build a precondition when the condition/initialization is dependent |
8379 | // to prevent pessimistic early loop exit. |
8380 | // TODO: this can be improved by calculating min/max values but not sure that |
8381 | // it will be very effective. |
8382 | if (CondDependOnLC || InitDependOnLC) |
8383 | return SemaRef.PerformImplicitConversion( |
8384 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), |
8385 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, |
8386 | /*AllowExplicit=*/true).get(); |
8387 | |
8388 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. |
8389 | Sema::TentativeAnalysisScope Trap(SemaRef); |
8390 | |
8391 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); |
8392 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); |
8393 | if (!NewLB.isUsable() || !NewUB.isUsable()) |
8394 | return nullptr; |
8395 | |
8396 | ExprResult CondExpr = |
8397 | SemaRef.BuildBinOp(S, DefaultLoc, |
8398 | TestIsLessOp.getValue() ? |
8399 | (TestIsStrictOp ? BO_LT : BO_LE) : |
8400 | (TestIsStrictOp ? BO_GT : BO_GE), |
8401 | NewLB.get(), NewUB.get()); |
8402 | if (CondExpr.isUsable()) { |
8403 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), |
8404 | SemaRef.Context.BoolTy)) |
8405 | CondExpr = SemaRef.PerformImplicitConversion( |
8406 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, |
8407 | /*AllowExplicit=*/true); |
8408 | } |
8409 | |
8410 | // Otherwise use original loop condition and evaluate it in runtime. |
8411 | return CondExpr.isUsable() ? CondExpr.get() : Cond; |
8412 | } |
8413 | |
8414 | /// Build reference expression to the counter be used for codegen. |
8415 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( |
8416 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, |
8417 | DSAStackTy &DSA) const { |
8418 | auto *VD = dyn_cast<VarDecl>(LCDecl); |
8419 | if (!VD) { |
8420 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); |
8421 | DeclRefExpr *Ref = buildDeclRefExpr( |
8422 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); |
8423 | const DSAStackTy::DSAVarData Data = |
8424 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); |
8425 | // If the loop control decl is explicitly marked as private, do not mark it |
8426 | // as captured again. |
8427 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) |
8428 | Captures.insert(std::make_pair(LCRef, Ref)); |
8429 | return Ref; |
8430 | } |
8431 | return cast<DeclRefExpr>(LCRef); |
8432 | } |
8433 | |
8434 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { |
8435 | if (LCDecl && !LCDecl->isInvalidDecl()) { |
8436 | QualType Type = LCDecl->getType().getNonReferenceType(); |
8437 | VarDecl *PrivateVar = buildVarDecl( |
8438 | SemaRef, DefaultLoc, Type, LCDecl->getName(), |
8439 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, |
8440 | isa<VarDecl>(LCDecl) |
8441 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) |
8442 | : nullptr); |
8443 | if (PrivateVar->isInvalidDecl()) |
8444 | return nullptr; |
8445 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); |
8446 | } |
8447 | return nullptr; |
8448 | } |
8449 | |
8450 | /// Build initialization of the counter to be used for codegen. |
8451 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } |
8452 | |
8453 | /// Build step of the counter be used for codegen. |
8454 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } |
8455 | |
8456 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( |
8457 | Scope *S, Expr *Counter, |
8458 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, |
8459 | Expr *Inc, OverloadedOperatorKind OOK) { |
8460 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); |
8461 | if (!Cnt) |
8462 | return nullptr; |
8463 | if (Inc) { |
8464 | assert((OOK == OO_Plus || OOK == OO_Minus) &&(static_cast<void> (0)) |
8465 | "Expected only + or - operations for depend clauses.")(static_cast<void> (0)); |
8466 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; |
8467 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); |
8468 | if (!Cnt) |
8469 | return nullptr; |
8470 | } |
8471 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8472 | if (!VarType->isIntegerType() && !VarType->isPointerType() && |
8473 | !SemaRef.getLangOpts().CPlusPlus) |
8474 | return nullptr; |
8475 | // Upper - Lower |
8476 | Expr *Upper = TestIsLessOp.getValue() |
8477 | ? Cnt |
8478 | : tryBuildCapture(SemaRef, LB, Captures).get(); |
8479 | Expr *Lower = TestIsLessOp.getValue() |
8480 | ? tryBuildCapture(SemaRef, LB, Captures).get() |
8481 | : Cnt; |
8482 | if (!Upper || !Lower) |
8483 | return nullptr; |
8484 | |
8485 | ExprResult Diff = calculateNumIters( |
8486 | SemaRef, S, DefaultLoc, Lower, Upper, Step, VarType, |
8487 | /*TestIsStrictOp=*/false, /*RoundToStep=*/false, Captures); |
8488 | if (!Diff.isUsable()) |
8489 | return nullptr; |
8490 | |
8491 | return Diff.get(); |
8492 | } |
8493 | } // namespace |
8494 | |
8495 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { |
8496 | assert(getLangOpts().OpenMP && "OpenMP is not active.")(static_cast<void> (0)); |
8497 | assert(Init && "Expected loop in canonical form.")(static_cast<void> (0)); |
8498 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); |
8499 | if (AssociatedLoops > 0 && |
8500 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
8501 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); |
8502 | OpenMPIterationSpaceChecker ISC(*this, /*SupportsNonRectangular=*/true, |
8503 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); |
8504 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { |
8505 | if (ValueDecl *D = ISC.getLoopDecl()) { |
8506 | auto *VD = dyn_cast<VarDecl>(D); |
8507 | DeclRefExpr *PrivateRef = nullptr; |
8508 | if (!VD) { |
8509 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { |
8510 | VD = Private; |
8511 | } else { |
8512 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), |
8513 | /*WithInit=*/false); |
8514 | VD = cast<VarDecl>(PrivateRef->getDecl()); |
8515 | } |
8516 | } |
8517 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); |
8518 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); |
8519 | if (LD != D->getCanonicalDecl()) { |
8520 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); |
8521 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) |
8522 | MarkDeclarationsReferencedInExpr( |
8523 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), |
8524 | Var->getType().getNonLValueExprType(Context), |
8525 | ForLoc, /*RefersToCapture=*/true)); |
8526 | } |
8527 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
8528 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables |
8529 | // Referenced in a Construct, C/C++]. The loop iteration variable in the |
8530 | // associated for-loop of a simd construct with just one associated |
8531 | // for-loop may be listed in a linear clause with a constant-linear-step |
8532 | // that is the increment of the associated for-loop. The loop iteration |
8533 | // variable(s) in the associated for-loop(s) of a for or parallel for |
8534 | // construct may be listed in a private or lastprivate clause. |
8535 | DSAStackTy::DSAVarData DVar = |
8536 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
8537 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable |
8538 | // is declared in the loop and it is predetermined as a private. |
8539 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); |
8540 | OpenMPClauseKind PredeterminedCKind = |
8541 | isOpenMPSimdDirective(DKind) |
8542 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) |
8543 | : OMPC_private; |
8544 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && |
8545 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && |
8546 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && |
8547 | DVar.CKind != OMPC_private))) || |
8548 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || |
8549 | DKind == OMPD_master_taskloop || |
8550 | DKind == OMPD_parallel_master_taskloop || |
8551 | isOpenMPDistributeDirective(DKind)) && |
8552 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && |
8553 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && |
8554 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { |
8555 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) |
8556 | << getOpenMPClauseName(DVar.CKind) |
8557 | << getOpenMPDirectiveName(DKind) |
8558 | << getOpenMPClauseName(PredeterminedCKind); |
8559 | if (DVar.RefExpr == nullptr) |
8560 | DVar.CKind = PredeterminedCKind; |
8561 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, |
8562 | /*IsLoopIterVar=*/true); |
8563 | } else if (LoopDeclRefExpr) { |
8564 | // Make the loop iteration variable private (for worksharing |
8565 | // constructs), linear (for simd directives with the only one |
8566 | // associated loop) or lastprivate (for simd directives with several |
8567 | // collapsed or ordered loops). |
8568 | if (DVar.CKind == OMPC_unknown) |
8569 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, |
8570 | PrivateRef); |
8571 | } |
8572 | } |
8573 | } |
8574 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); |
8575 | } |
8576 | } |
8577 | |
8578 | /// Called on a for stmt to check and extract its iteration space |
8579 | /// for further processing (such as collapsing). |
8580 | static bool checkOpenMPIterationSpace( |
8581 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, |
8582 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, |
8583 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, |
8584 | Expr *OrderedLoopCountExpr, |
8585 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, |
8586 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, |
8587 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
8588 | bool SupportsNonRectangular = !isOpenMPLoopTransformationDirective(DKind); |
8589 | // OpenMP [2.9.1, Canonical Loop Form] |
8590 | // for (init-expr; test-expr; incr-expr) structured-block |
8591 | // for (range-decl: range-expr) structured-block |
8592 | if (auto *CanonLoop = dyn_cast_or_null<OMPCanonicalLoop>(S)) |
8593 | S = CanonLoop->getLoopStmt(); |
8594 | auto *For = dyn_cast_or_null<ForStmt>(S); |
8595 | auto *CXXFor = dyn_cast_or_null<CXXForRangeStmt>(S); |
8596 | // Ranged for is supported only in OpenMP 5.0. |
8597 | if (!For && (SemaRef.LangOpts.OpenMP <= 45 || !CXXFor)) { |
8598 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) |
8599 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) |
8600 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount |
8601 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; |
8602 | if (TotalNestedLoopCount > 1) { |
8603 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) |
8604 | SemaRef.Diag(DSA.getConstructLoc(), |
8605 | diag::note_omp_collapse_ordered_expr) |
8606 | << 2 << CollapseLoopCountExpr->getSourceRange() |
8607 | << OrderedLoopCountExpr->getSourceRange(); |
8608 | else if (CollapseLoopCountExpr) |
8609 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), |
8610 | diag::note_omp_collapse_ordered_expr) |
8611 | << 0 << CollapseLoopCountExpr->getSourceRange(); |
8612 | else |
8613 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), |
8614 | diag::note_omp_collapse_ordered_expr) |
8615 | << 1 << OrderedLoopCountExpr->getSourceRange(); |
8616 | } |
8617 | return true; |
8618 | } |
8619 | assert(((For && For->getBody()) || (CXXFor && CXXFor->getBody())) &&(static_cast<void> (0)) |
8620 | "No loop body.")(static_cast<void> (0)); |
8621 | |
8622 | OpenMPIterationSpaceChecker ISC(SemaRef, SupportsNonRectangular, DSA, |
8623 | For ? For->getForLoc() : CXXFor->getForLoc()); |
8624 | |
8625 | // Check init. |
8626 | Stmt *Init = For ? For->getInit() : CXXFor->getBeginStmt(); |
8627 | if (ISC.checkAndSetInit(Init)) |
8628 | return true; |
8629 | |
8630 | bool HasErrors = false; |
8631 | |
8632 | // Check loop variable's type. |
8633 | if (ValueDecl *LCDecl = ISC.getLoopDecl()) { |
8634 | // OpenMP [2.6, Canonical Loop Form] |
8635 | // Var is one of the following: |
8636 | // A variable of signed or unsigned integer type. |
8637 | // For C++, a variable of a random access iterator type. |
8638 | // For C, a variable of a pointer type. |
8639 | QualType VarType = LCDecl->getType().getNonReferenceType(); |
8640 | if (!VarType->isDependentType() && !VarType->isIntegerType() && |
8641 | !VarType->isPointerType() && |
8642 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { |
8643 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) |
8644 | << SemaRef.getLangOpts().CPlusPlus; |
8645 | HasErrors = true; |
8646 | } |
8647 | |
8648 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in |
8649 | // a Construct |
8650 | // The loop iteration variable(s) in the associated for-loop(s) of a for or |
8651 | // parallel for construct is (are) private. |
8652 | // The loop iteration variable in the associated for-loop of a simd |
8653 | // construct with just one associated for-loop is linear with a |
8654 | // constant-linear-step that is the increment of the associated for-loop. |
8655 | // Exclude loop var from the list of variables with implicitly defined data |
8656 | // sharing attributes. |
8657 | VarsWithImplicitDSA.erase(LCDecl); |
8658 | |
8659 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")(static_cast<void> (0)); |
8660 | |
8661 | // Check test-expr. |
8662 | HasErrors |= ISC.checkAndSetCond(For ? For->getCond() : CXXFor->getCond()); |
8663 | |
8664 | // Check incr-expr. |
8665 | HasErrors |= ISC.checkAndSetInc(For ? For->getInc() : CXXFor->getInc()); |
8666 | } |
8667 | |
8668 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) |
8669 | return HasErrors; |
8670 | |
8671 | // Build the loop's iteration space representation. |
8672 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond( |
8673 | DSA.getCurScope(), For ? For->getCond() : CXXFor->getCond(), Captures); |
8674 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = |
8675 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, |
8676 | (isOpenMPWorksharingDirective(DKind) || |
8677 | isOpenMPTaskLoopDirective(DKind) || |
8678 | isOpenMPDistributeDirective(DKind) || |
8679 | isOpenMPLoopTransformationDirective(DKind)), |
8680 | Captures); |
8681 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = |
8682 | ISC.buildCounterVar(Captures, DSA); |
8683 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = |
8684 | ISC.buildPrivateCounterVar(); |
8685 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); |
8686 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); |
8687 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); |
8688 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = |
8689 | ISC.getConditionSrcRange(); |
8690 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = |
8691 | ISC.getIncrementSrcRange(); |
8692 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); |
8693 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = |
8694 | ISC.isStrictTestOp(); |
8695 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, |
8696 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = |
8697 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); |
8698 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = |
8699 | ISC.buildFinalCondition(DSA.getCurScope()); |
8700 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = |
8701 | ISC.doesInitDependOnLC(); |
8702 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = |
8703 | ISC.doesCondDependOnLC(); |
8704 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = |
8705 | ISC.getLoopDependentIdx(); |
8706 | |
8707 | HasErrors |= |
8708 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || |
8709 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || |
8710 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || |
8711 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || |
8712 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || |
8713 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); |
8714 | if (!HasErrors && DSA.isOrderedRegion()) { |
8715 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { |
8716 | if (CurrentNestedLoopCount < |
8717 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { |
8718 | DSA.getOrderedRegionParam().second->setLoopNumIterations( |
8719 | CurrentNestedLoopCount, |
8720 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); |
8721 | DSA.getOrderedRegionParam().second->setLoopCounter( |
8722 | CurrentNestedLoopCount, |
8723 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); |
8724 | } |
8725 | } |
8726 | for (auto &Pair : DSA.getDoacrossDependClauses()) { |
8727 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { |
8728 | // Erroneous case - clause has some problems. |
8729 | continue; |
8730 | } |
8731 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && |
8732 | Pair.second.size() <= CurrentNestedLoopCount) { |
8733 | // Erroneous case - clause has some problems. |
8734 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); |
8735 | continue; |
8736 | } |
8737 | Expr *CntValue; |
8738 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) |
8739 | CntValue = ISC.buildOrderedLoopData( |
8740 | DSA.getCurScope(), |
8741 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, |
8742 | Pair.first->getDependencyLoc()); |
8743 | else |
8744 | CntValue = ISC.buildOrderedLoopData( |
8745 | DSA.getCurScope(), |
8746 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, |
8747 | Pair.first->getDependencyLoc(), |
8748 | Pair.second[CurrentNestedLoopCount].first, |
8749 | Pair.second[CurrentNestedLoopCount].second); |
8750 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); |
8751 | } |
8752 | } |
8753 | |
8754 | return HasErrors; |
8755 | } |
8756 | |
8757 | /// Build 'VarRef = Start. |
8758 | static ExprResult |
8759 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, |
8760 | ExprResult Start, bool IsNonRectangularLB, |
8761 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
8762 | // Build 'VarRef = Start. |
8763 | ExprResult NewStart = IsNonRectangularLB |
8764 | ? Start.get() |
8765 | : tryBuildCapture(SemaRef, Start.get(), Captures); |
8766 | if (!NewStart.isUsable()) |
8767 | return ExprError(); |
8768 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), |
8769 | VarRef.get()->getType())) { |
8770 | NewStart = SemaRef.PerformImplicitConversion( |
8771 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, |
8772 | /*AllowExplicit=*/true); |
8773 | if (!NewStart.isUsable()) |
8774 | return ExprError(); |
8775 | } |
8776 | |
8777 | ExprResult Init = |
8778 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); |
8779 | return Init; |
8780 | } |
8781 | |
8782 | /// Build 'VarRef = Start + Iter * Step'. |
8783 | static ExprResult buildCounterUpdate( |
8784 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, |
8785 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, |
8786 | bool IsNonRectangularLB, |
8787 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { |
8788 | // Add parentheses (for debugging purposes only). |
8789 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); |
8790 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || |
8791 | !Step.isUsable()) |
8792 | return ExprError(); |
8793 | |
8794 | ExprResult NewStep = Step; |
8795 | if (Captures) |
8796 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); |
8797 | if (NewStep.isInvalid()) |
8798 | return ExprError(); |
8799 | ExprResult Update = |
8800 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); |
8801 | if (!Update.isUsable()) |
8802 | return ExprError(); |
8803 | |
8804 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or |
8805 | // 'VarRef = Start (+|-) Iter * Step'. |
8806 | if (!Start.isUsable()) |
8807 | return ExprError(); |
8808 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); |
8809 | if (!NewStart.isUsable()) |
8810 | return ExprError(); |
8811 | if (Captures && !IsNonRectangularLB) |
8812 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); |
8813 | if (NewStart.isInvalid()) |
8814 | return ExprError(); |
8815 | |
8816 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. |
8817 | ExprResult SavedUpdate = Update; |
8818 | ExprResult UpdateVal; |
8819 | if (VarRef.get()->getType()->isOverloadableType() || |
8820 | NewStart.get()->getType()->isOverloadableType() || |
8821 | Update.get()->getType()->isOverloadableType()) { |
8822 | Sema::TentativeAnalysisScope Trap(SemaRef); |
8823 | |
8824 | Update = |
8825 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); |
8826 | if (Update.isUsable()) { |
8827 | UpdateVal = |
8828 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, |
8829 | VarRef.get(), SavedUpdate.get()); |
8830 | if (UpdateVal.isUsable()) { |
8831 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), |
8832 | UpdateVal.get()); |
8833 | } |
8834 | } |
8835 | } |
8836 | |
8837 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. |
8838 | if (!Update.isUsable() || !UpdateVal.isUsable()) { |
8839 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, |
8840 | NewStart.get(), SavedUpdate.get()); |
8841 | if (!Update.isUsable()) |
8842 | return ExprError(); |
8843 | |
8844 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), |
8845 | VarRef.get()->getType())) { |
8846 | Update = SemaRef.PerformImplicitConversion( |
8847 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); |
8848 | if (!Update.isUsable()) |
8849 | return ExprError(); |
8850 | } |
8851 | |
8852 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); |
8853 | } |
8854 | return Update; |
8855 | } |
8856 | |
8857 | /// Convert integer expression \a E to make it have at least \a Bits |
8858 | /// bits. |
8859 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { |
8860 | if (E == nullptr) |
8861 | return ExprError(); |
8862 | ASTContext &C = SemaRef.Context; |
8863 | QualType OldType = E->getType(); |
8864 | unsigned HasBits = C.getTypeSize(OldType); |
8865 | if (HasBits >= Bits) |
8866 | return ExprResult(E); |
8867 | // OK to convert to signed, because new type has more bits than old. |
8868 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); |
8869 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, |
8870 | true); |
8871 | } |
8872 | |
8873 | /// Check if the given expression \a E is a constant integer that fits |
8874 | /// into \a Bits bits. |
8875 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { |
8876 | if (E == nullptr) |
8877 | return false; |
8878 | if (Optional<llvm::APSInt> Result = |
8879 | E->getIntegerConstantExpr(SemaRef.Context)) |
8880 | return Signed ? Result->isSignedIntN(Bits) : Result->isIntN(Bits); |
8881 | return false; |
8882 | } |
8883 | |
8884 | /// Build preinits statement for the given declarations. |
8885 | static Stmt *buildPreInits(ASTContext &Context, |
8886 | MutableArrayRef<Decl *> PreInits) { |
8887 | if (!PreInits.empty()) { |
8888 | return new (Context) DeclStmt( |
8889 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), |
8890 | SourceLocation(), SourceLocation()); |
8891 | } |
8892 | return nullptr; |
8893 | } |
8894 | |
8895 | /// Build preinits statement for the given declarations. |
8896 | static Stmt * |
8897 | buildPreInits(ASTContext &Context, |
8898 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { |
8899 | if (!Captures.empty()) { |
8900 | SmallVector<Decl *, 16> PreInits; |
8901 | for (const auto &Pair : Captures) |
8902 | PreInits.push_back(Pair.second->getDecl()); |
8903 | return buildPreInits(Context, PreInits); |
8904 | } |
8905 | return nullptr; |
8906 | } |
8907 | |
8908 | /// Build postupdate expression for the given list of postupdates expressions. |
8909 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { |
8910 | Expr *PostUpdate = nullptr; |
8911 | if (!PostUpdates.empty()) { |
8912 | for (Expr *E : PostUpdates) { |
8913 | Expr *ConvE = S.BuildCStyleCastExpr( |
8914 | E->getExprLoc(), |
8915 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), |
8916 | E->getExprLoc(), E) |
8917 | .get(); |
8918 | PostUpdate = PostUpdate |
8919 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, |
8920 | PostUpdate, ConvE) |
8921 | .get() |
8922 | : ConvE; |
8923 | } |
8924 | } |
8925 | return PostUpdate; |
8926 | } |
8927 | |
8928 | /// Called on a for stmt to check itself and nested loops (if any). |
8929 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, |
8930 | /// number of collapsed loops otherwise. |
8931 | static unsigned |
8932 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, |
8933 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, |
8934 | DSAStackTy &DSA, |
8935 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, |
8936 | OMPLoopBasedDirective::HelperExprs &Built) { |
8937 | unsigned NestedLoopCount = 1; |
8938 | bool SupportsNonPerfectlyNested = (SemaRef.LangOpts.OpenMP >= 50) && |
8939 | !isOpenMPLoopTransformationDirective(DKind); |
8940 | |
8941 | if (CollapseLoopCountExpr) { |
8942 | // Found 'collapse' clause - calculate collapse number. |
8943 | Expr::EvalResult Result; |
8944 | if (!CollapseLoopCountExpr->isValueDependent() && |
8945 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { |
8946 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); |
8947 | } else { |
8948 | Built.clear(/*Size=*/1); |
8949 | return 1; |
8950 | } |
8951 | } |
8952 | unsigned OrderedLoopCount = 1; |
8953 | if (OrderedLoopCountExpr) { |
8954 | // Found 'ordered' clause - calculate collapse number. |
8955 | Expr::EvalResult EVResult; |
8956 | if (!OrderedLoopCountExpr->isValueDependent() && |
8957 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, |
8958 | SemaRef.getASTContext())) { |
8959 | llvm::APSInt Result = EVResult.Val.getInt(); |
8960 | if (Result.getLimitedValue() < NestedLoopCount) { |
8961 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), |
8962 | diag::err_omp_wrong_ordered_loop_count) |
8963 | << OrderedLoopCountExpr->getSourceRange(); |
8964 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), |
8965 | diag::note_collapse_loop_count) |
8966 | << CollapseLoopCountExpr->getSourceRange(); |
8967 | } |
8968 | OrderedLoopCount = Result.getLimitedValue(); |
8969 | } else { |
8970 | Built.clear(/*Size=*/1); |
8971 | return 1; |
8972 | } |
8973 | } |
8974 | // This is helper routine for loop directives (e.g., 'for', 'simd', |
8975 | // 'for simd', etc.). |
8976 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
8977 | unsigned NumLoops = std::max(OrderedLoopCount, NestedLoopCount); |
8978 | SmallVector<LoopIterationSpace, 4> IterSpaces(NumLoops); |
8979 | if (!OMPLoopBasedDirective::doForAllLoops( |
8980 | AStmt->IgnoreContainers(!isOpenMPLoopTransformationDirective(DKind)), |
8981 | SupportsNonPerfectlyNested, NumLoops, |
8982 | [DKind, &SemaRef, &DSA, NumLoops, NestedLoopCount, |
8983 | CollapseLoopCountExpr, OrderedLoopCountExpr, &VarsWithImplicitDSA, |
8984 | &IterSpaces, &Captures](unsigned Cnt, Stmt *CurStmt) { |
8985 | if (checkOpenMPIterationSpace( |
8986 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, |
8987 | NumLoops, CollapseLoopCountExpr, OrderedLoopCountExpr, |
8988 | VarsWithImplicitDSA, IterSpaces, Captures)) |
8989 | return true; |
8990 | if (Cnt > 0 && Cnt >= NestedLoopCount && |
8991 | IterSpaces[Cnt].CounterVar) { |
8992 | // Handle initialization of captured loop iterator variables. |
8993 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); |
8994 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { |
8995 | Captures[DRE] = DRE; |
8996 | } |
8997 | } |
8998 | return false; |
8999 | }, |
9000 | [&SemaRef, &Captures](OMPLoopBasedDirective *Transform) { |
9001 | Stmt *DependentPreInits; |
9002 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) { |
9003 | DependentPreInits = Dir->getPreInits(); |
9004 | } else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) { |
9005 | DependentPreInits = Dir->getPreInits(); |
9006 | } else { |
9007 | llvm_unreachable("Unexpected loop transformation")__builtin_unreachable(); |
9008 | } |
9009 | if (!DependentPreInits) |
9010 | return; |
9011 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) { |
9012 | auto *D = cast<VarDecl>(C); |
9013 | DeclRefExpr *Ref = buildDeclRefExpr(SemaRef, D, D->getType(), |
9014 | Transform->getBeginLoc()); |
9015 | Captures[Ref] = Ref; |
9016 | } |
9017 | })) |
9018 | return 0; |
9019 | |
9020 | Built.clear(/* size */ NestedLoopCount); |
9021 | |
9022 | if (SemaRef.CurContext->isDependentContext()) |
9023 | return NestedLoopCount; |
9024 | |
9025 | // An example of what is generated for the following code: |
9026 | // |
9027 | // #pragma omp simd collapse(2) ordered(2) |
9028 | // for (i = 0; i < NI; ++i) |
9029 | // for (k = 0; k < NK; ++k) |
9030 | // for (j = J0; j < NJ; j+=2) { |
9031 | // <loop body> |
9032 | // } |
9033 | // |
9034 | // We generate the code below. |
9035 | // Note: the loop body may be outlined in CodeGen. |
9036 | // Note: some counters may be C++ classes, operator- is used to find number of |
9037 | // iterations and operator+= to calculate counter value. |
9038 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 |
9039 | // or i64 is currently supported). |
9040 | // |
9041 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) |
9042 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { |
9043 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); |
9044 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; |
9045 | // // similar updates for vars in clauses (e.g. 'linear') |
9046 | // <loop body (using local i and j)> |
9047 | // } |
9048 | // i = NI; // assign final values of counters |
9049 | // j = NJ; |
9050 | // |
9051 | |
9052 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are |
9053 | // the iteration counts of the collapsed for loops. |
9054 | // Precondition tests if there is at least one iteration (all conditions are |
9055 | // true). |
9056 | auto PreCond = ExprResult(IterSpaces[0].PreCond); |
9057 | Expr *N0 = IterSpaces[0].NumIterations; |
9058 | ExprResult LastIteration32 = |
9059 | widenIterationCount(/*Bits=*/32, |
9060 | SemaRef |
9061 | .PerformImplicitConversion( |
9062 | N0->IgnoreImpCasts(), N0->getType(), |
9063 | Sema::AA_Converting, /*AllowExplicit=*/true) |
9064 | .get(), |
9065 | SemaRef); |
9066 | ExprResult LastIteration64 = widenIterationCount( |
9067 | /*Bits=*/64, |
9068 | SemaRef |
9069 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), |
9070 | Sema::AA_Converting, |
9071 | /*AllowExplicit=*/true) |
9072 | .get(), |
9073 | SemaRef); |
9074 | |
9075 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) |
9076 | return NestedLoopCount; |
9077 | |
9078 | ASTContext &C = SemaRef.Context; |
9079 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; |
9080 | |
9081 | Scope *CurScope = DSA.getCurScope(); |
9082 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { |
9083 | if (PreCond.isUsable()) { |
9084 | PreCond = |
9085 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, |
9086 | PreCond.get(), IterSpaces[Cnt].PreCond); |
9087 | } |
9088 | Expr *N = IterSpaces[Cnt].NumIterations; |
9089 | SourceLocation Loc = N->getExprLoc(); |
9090 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; |
9091 | if (LastIteration32.isUsable()) |
9092 | LastIteration32 = SemaRef.BuildBinOp( |
9093 | CurScope, Loc, BO_Mul, LastIteration32.get(), |
9094 | SemaRef |
9095 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), |
9096 | Sema::AA_Converting, |
9097 | /*AllowExplicit=*/true) |
9098 | .get()); |
9099 | if (LastIteration64.isUsable()) |
9100 | LastIteration64 = SemaRef.BuildBinOp( |
9101 | CurScope, Loc, BO_Mul, LastIteration64.get(), |
9102 | SemaRef |
9103 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), |
9104 | Sema::AA_Converting, |
9105 | /*AllowExplicit=*/true) |
9106 | .get()); |
9107 | } |
9108 | |
9109 | // Choose either the 32-bit or 64-bit version. |
9110 | ExprResult LastIteration = LastIteration64; |
9111 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || |
9112 | (LastIteration32.isUsable() && |
9113 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && |
9114 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || |
9115 | fitsInto( |
9116 | /*Bits=*/32, |
9117 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), |
9118 | LastIteration64.get(), SemaRef)))) |
9119 | LastIteration = LastIteration32; |
9120 | QualType VType = LastIteration.get()->getType(); |
9121 | QualType RealVType = VType; |
9122 | QualType StrideVType = VType; |
9123 | if (isOpenMPTaskLoopDirective(DKind)) { |
9124 | VType = |
9125 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); |
9126 | StrideVType = |
9127 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); |
9128 | } |
9129 | |
9130 | if (!LastIteration.isUsable()) |
9131 | return 0; |
9132 | |
9133 | // Save the number of iterations. |
9134 | ExprResult NumIterations = LastIteration; |
9135 | { |
9136 | LastIteration = SemaRef.BuildBinOp( |
9137 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, |
9138 | LastIteration.get(), |
9139 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
9140 | if (!LastIteration.isUsable()) |
9141 | return 0; |
9142 | } |
9143 | |
9144 | // Calculate the last iteration number beforehand instead of doing this on |
9145 | // each iteration. Do not do this if the number of iterations may be kfold-ed. |
9146 | bool IsConstant = LastIteration.get()->isIntegerConstantExpr(SemaRef.Context); |
9147 | ExprResult CalcLastIteration; |
9148 | if (!IsConstant) { |
9149 | ExprResult SaveRef = |
9150 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); |
9151 | LastIteration = SaveRef; |
9152 | |
9153 | // Prepare SaveRef + 1. |
9154 | NumIterations = SemaRef.BuildBinOp( |
9155 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), |
9156 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); |
9157 | if (!NumIterations.isUsable()) |
9158 | return 0; |
9159 | } |
9160 | |
9161 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); |
9162 | |
9163 | // Build variables passed into runtime, necessary for worksharing directives. |
9164 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; |
9165 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || |
9166 | isOpenMPDistributeDirective(DKind) || |
9167 | isOpenMPLoopTransformationDirective(DKind)) { |
9168 | // Lower bound variable, initialized with zero. |
9169 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); |
9170 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); |
9171 | SemaRef.AddInitializerToDecl(LBDecl, |
9172 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9173 | /*DirectInit*/ false); |
9174 | |
9175 | // Upper bound variable, initialized with last iteration number. |
9176 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); |
9177 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); |
9178 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), |
9179 | /*DirectInit*/ false); |
9180 | |
9181 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. |
9182 | // This will be used to implement clause 'lastprivate'. |
9183 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); |
9184 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); |
9185 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); |
9186 | SemaRef.AddInitializerToDecl(ILDecl, |
9187 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9188 | /*DirectInit*/ false); |
9189 | |
9190 | // Stride variable returned by runtime (we initialize it to 1 by default). |
9191 | VarDecl *STDecl = |
9192 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); |
9193 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); |
9194 | SemaRef.AddInitializerToDecl(STDecl, |
9195 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), |
9196 | /*DirectInit*/ false); |
9197 | |
9198 | // Build expression: UB = min(UB, LastIteration) |
9199 | // It is necessary for CodeGen of directives with static scheduling. |
9200 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, |
9201 | UB.get(), LastIteration.get()); |
9202 | ExprResult CondOp = SemaRef.ActOnConditionalOp( |
9203 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), |
9204 | LastIteration.get(), UB.get()); |
9205 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), |
9206 | CondOp.get()); |
9207 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); |
9208 | |
9209 | // If we have a combined directive that combines 'distribute', 'for' or |
9210 | // 'simd' we need to be able to access the bounds of the schedule of the |
9211 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained |
9212 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. |
9213 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9214 | // Lower bound variable, initialized with zero. |
9215 | VarDecl *CombLBDecl = |
9216 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); |
9217 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); |
9218 | SemaRef.AddInitializerToDecl( |
9219 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), |
9220 | /*DirectInit*/ false); |
9221 | |
9222 | // Upper bound variable, initialized with last iteration number. |
9223 | VarDecl *CombUBDecl = |
9224 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); |
9225 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); |
9226 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), |
9227 | /*DirectInit*/ false); |
9228 | |
9229 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( |
9230 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); |
9231 | ExprResult CombCondOp = |
9232 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), |
9233 | LastIteration.get(), CombUB.get()); |
9234 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), |
9235 | CombCondOp.get()); |
9236 | CombEUB = |
9237 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); |
9238 | |
9239 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); |
9240 | // We expect to have at least 2 more parameters than the 'parallel' |
9241 | // directive does - the lower and upper bounds of the previous schedule. |
9242 | assert(CD->getNumParams() >= 4 &&(static_cast<void> (0)) |
9243 | "Unexpected number of parameters in loop combined directive")(static_cast<void> (0)); |
9244 | |
9245 | // Set the proper type for the bounds given what we learned from the |
9246 | // enclosed loops. |
9247 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); |
9248 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); |
9249 | |
9250 | // Previous lower and upper bounds are obtained from the region |
9251 | // parameters. |
9252 | PrevLB = |
9253 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); |
9254 | PrevUB = |
9255 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); |
9256 | } |
9257 | } |
9258 | |
9259 | // Build the iteration variable and its initialization before loop. |
9260 | ExprResult IV; |
9261 | ExprResult Init, CombInit; |
9262 | { |
9263 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); |
9264 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); |
9265 | Expr *RHS = (isOpenMPWorksharingDirective(DKind) || |
9266 | isOpenMPTaskLoopDirective(DKind) || |
9267 | isOpenMPDistributeDirective(DKind) || |
9268 | isOpenMPLoopTransformationDirective(DKind)) |
9269 | ? LB.get() |
9270 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); |
9271 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); |
9272 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); |
9273 | |
9274 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9275 | Expr *CombRHS = |
9276 | (isOpenMPWorksharingDirective(DKind) || |
9277 | isOpenMPTaskLoopDirective(DKind) || |
9278 | isOpenMPDistributeDirective(DKind)) |
9279 | ? CombLB.get() |
9280 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); |
9281 | CombInit = |
9282 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); |
9283 | CombInit = |
9284 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); |
9285 | } |
9286 | } |
9287 | |
9288 | bool UseStrictCompare = |
9289 | RealVType->hasUnsignedIntegerRepresentation() && |
9290 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { |
9291 | return LIS.IsStrictCompare; |
9292 | }); |
9293 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for |
9294 | // unsigned IV)) for worksharing loops. |
9295 | SourceLocation CondLoc = AStmt->getBeginLoc(); |
9296 | Expr *BoundUB = UB.get(); |
9297 | if (UseStrictCompare) { |
9298 | BoundUB = |
9299 | SemaRef |
9300 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, |
9301 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9302 | .get(); |
9303 | BoundUB = |
9304 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); |
9305 | } |
9306 | ExprResult Cond = |
9307 | (isOpenMPWorksharingDirective(DKind) || |
9308 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind) || |
9309 | isOpenMPLoopTransformationDirective(DKind)) |
9310 | ? SemaRef.BuildBinOp(CurScope, CondLoc, |
9311 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), |
9312 | BoundUB) |
9313 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), |
9314 | NumIterations.get()); |
9315 | ExprResult CombDistCond; |
9316 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9317 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), |
9318 | NumIterations.get()); |
9319 | } |
9320 | |
9321 | ExprResult CombCond; |
9322 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9323 | Expr *BoundCombUB = CombUB.get(); |
9324 | if (UseStrictCompare) { |
9325 | BoundCombUB = |
9326 | SemaRef |
9327 | .BuildBinOp( |
9328 | CurScope, CondLoc, BO_Add, BoundCombUB, |
9329 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9330 | .get(); |
9331 | BoundCombUB = |
9332 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) |
9333 | .get(); |
9334 | } |
9335 | CombCond = |
9336 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, |
9337 | IV.get(), BoundCombUB); |
9338 | } |
9339 | // Loop increment (IV = IV + 1) |
9340 | SourceLocation IncLoc = AStmt->getBeginLoc(); |
9341 | ExprResult Inc = |
9342 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), |
9343 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); |
9344 | if (!Inc.isUsable()) |
9345 | return 0; |
9346 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); |
9347 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); |
9348 | if (!Inc.isUsable()) |
9349 | return 0; |
9350 | |
9351 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). |
9352 | // Used for directives with static scheduling. |
9353 | // In combined construct, add combined version that use CombLB and CombUB |
9354 | // base variables for the update |
9355 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; |
9356 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || |
9357 | isOpenMPDistributeDirective(DKind) || |
9358 | isOpenMPLoopTransformationDirective(DKind)) { |
9359 | // LB + ST |
9360 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); |
9361 | if (!NextLB.isUsable()) |
9362 | return 0; |
9363 | // LB = LB + ST |
9364 | NextLB = |
9365 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); |
9366 | NextLB = |
9367 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); |
9368 | if (!NextLB.isUsable()) |
9369 | return 0; |
9370 | // UB + ST |
9371 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); |
9372 | if (!NextUB.isUsable()) |
9373 | return 0; |
9374 | // UB = UB + ST |
9375 | NextUB = |
9376 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); |
9377 | NextUB = |
9378 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); |
9379 | if (!NextUB.isUsable()) |
9380 | return 0; |
9381 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9382 | CombNextLB = |
9383 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); |
9384 | if (!NextLB.isUsable()) |
9385 | return 0; |
9386 | // LB = LB + ST |
9387 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), |
9388 | CombNextLB.get()); |
9389 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), |
9390 | /*DiscardedValue*/ false); |
9391 | if (!CombNextLB.isUsable()) |
9392 | return 0; |
9393 | // UB + ST |
9394 | CombNextUB = |
9395 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); |
9396 | if (!CombNextUB.isUsable()) |
9397 | return 0; |
9398 | // UB = UB + ST |
9399 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), |
9400 | CombNextUB.get()); |
9401 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), |
9402 | /*DiscardedValue*/ false); |
9403 | if (!CombNextUB.isUsable()) |
9404 | return 0; |
9405 | } |
9406 | } |
9407 | |
9408 | // Create increment expression for distribute loop when combined in a same |
9409 | // directive with for as IV = IV + ST; ensure upper bound expression based |
9410 | // on PrevUB instead of NumIterations - used to implement 'for' when found |
9411 | // in combination with 'distribute', like in 'distribute parallel for' |
9412 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); |
9413 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; |
9414 | if (isOpenMPLoopBoundSharingDirective(DKind)) { |
9415 | DistCond = SemaRef.BuildBinOp( |
9416 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); |
9417 | assert(DistCond.isUsable() && "distribute cond expr was not built")(static_cast<void> (0)); |
9418 | |
9419 | DistInc = |
9420 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); |
9421 | assert(DistInc.isUsable() && "distribute inc expr was not built")(static_cast<void> (0)); |
9422 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), |
9423 | DistInc.get()); |
9424 | DistInc = |
9425 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); |
9426 | assert(DistInc.isUsable() && "distribute inc expr was not built")(static_cast<void> (0)); |
9427 | |
9428 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined |
9429 | // construct |
9430 | ExprResult NewPrevUB = PrevUB; |
9431 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); |
9432 | if (!SemaRef.Context.hasSameType(UB.get()->getType(), |
9433 | PrevUB.get()->getType())) { |
9434 | NewPrevUB = SemaRef.BuildCStyleCastExpr( |
9435 | DistEUBLoc, |
9436 | SemaRef.Context.getTrivialTypeSourceInfo(UB.get()->getType()), |
9437 | DistEUBLoc, NewPrevUB.get()); |
9438 | if (!NewPrevUB.isUsable()) |
9439 | return 0; |
9440 | } |
9441 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, |
9442 | UB.get(), NewPrevUB.get()); |
9443 | ExprResult CondOp = SemaRef.ActOnConditionalOp( |
9444 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), NewPrevUB.get(), UB.get()); |
9445 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), |
9446 | CondOp.get()); |
9447 | PrevEUB = |
9448 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); |
9449 | |
9450 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in |
9451 | // parallel for is in combination with a distribute directive with |
9452 | // schedule(static, 1) |
9453 | Expr *BoundPrevUB = PrevUB.get(); |
9454 | if (UseStrictCompare) { |
9455 | BoundPrevUB = |
9456 | SemaRef |
9457 | .BuildBinOp( |
9458 | CurScope, CondLoc, BO_Add, BoundPrevUB, |
9459 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) |
9460 | .get(); |
9461 | BoundPrevUB = |
9462 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) |
9463 | .get(); |
9464 | } |
9465 | ParForInDistCond = |
9466 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, |
9467 | IV.get(), BoundPrevUB); |
9468 | } |
9469 | |
9470 | // Build updates and final values of the loop counters. |
9471 | bool HasErrors = false; |
9472 | Built.Counters.resize(NestedLoopCount); |
9473 | Built.Inits.resize(NestedLoopCount); |
9474 | Built.Updates.resize(NestedLoopCount); |
9475 | Built.Finals.resize(NestedLoopCount); |
9476 | Built.DependentCounters.resize(NestedLoopCount); |
9477 | Built.DependentInits.resize(NestedLoopCount); |
9478 | Built.FinalsConditions.resize(NestedLoopCount); |
9479 | { |
9480 | // We implement the following algorithm for obtaining the |
9481 | // original loop iteration variable values based on the |
9482 | // value of the collapsed loop iteration variable IV. |
9483 | // |
9484 | // Let n+1 be the number of collapsed loops in the nest. |
9485 | // Iteration variables (I0, I1, .... In) |
9486 | // Iteration counts (N0, N1, ... Nn) |
9487 | // |
9488 | // Acc = IV; |
9489 | // |
9490 | // To compute Ik for loop k, 0 <= k <= n, generate: |
9491 | // Prod = N(k+1) * N(k+2) * ... * Nn; |
9492 | // Ik = Acc / Prod; |
9493 | // Acc -= Ik * Prod; |
9494 | // |
9495 | ExprResult Acc = IV; |
9496 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { |
9497 | LoopIterationSpace &IS = IterSpaces[Cnt]; |
9498 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); |
9499 | ExprResult Iter; |
9500 | |
9501 | // Compute prod |
9502 | ExprResult Prod = |
9503 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); |
9504 | for (unsigned int K = Cnt+1; K < NestedLoopCount; ++K) |
9505 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), |
9506 | IterSpaces[K].NumIterations); |
9507 | |
9508 | // Iter = Acc / Prod |
9509 | // If there is at least one more inner loop to avoid |
9510 | // multiplication by 1. |
9511 | if (Cnt + 1 < NestedLoopCount) |
9512 | Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, |
9513 | Acc.get(), Prod.get()); |
9514 | else |
9515 | Iter = Acc; |
9516 | if (!Iter.isUsable()) { |
9517 | HasErrors = true; |
9518 | break; |
9519 | } |
9520 | |
9521 | // Update Acc: |
9522 | // Acc -= Iter * Prod |
9523 | // Check if there is at least one more inner loop to avoid |
9524 | // multiplication by 1. |
9525 | if (Cnt + 1 < NestedLoopCount) |
9526 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, |
9527 | Iter.get(), Prod.get()); |
9528 | else |
9529 | Prod = Iter; |
9530 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, |
9531 | Acc.get(), Prod.get()); |
9532 | |
9533 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step |
9534 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); |
9535 | DeclRefExpr *CounterVar = buildDeclRefExpr( |
9536 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), |
9537 | /*RefersToCapture=*/true); |
9538 | ExprResult Init = |
9539 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, |
9540 | IS.CounterInit, IS.IsNonRectangularLB, Captures); |
9541 | if (!Init.isUsable()) { |
9542 | HasErrors = true; |
9543 | break; |
9544 | } |
9545 | ExprResult Update = buildCounterUpdate( |
9546 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, |
9547 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); |
9548 | if (!Update.isUsable()) { |
9549 | HasErrors = true; |
9550 | break; |
9551 | } |
9552 | |
9553 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step |
9554 | ExprResult Final = |
9555 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, |
9556 | IS.CounterInit, IS.NumIterations, IS.CounterStep, |
9557 | IS.Subtract, IS.IsNonRectangularLB, &Captures); |
9558 | if (!Final.isUsable()) { |
9559 | HasErrors = true; |
9560 | break; |
9561 | } |
9562 | |
9563 | if (!Update.isUsable() || !Final.isUsable()) { |
9564 | HasErrors = true; |
9565 | break; |
9566 | } |
9567 | // Save results |
9568 | Built.Counters[Cnt] = IS.CounterVar; |
9569 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; |
9570 | Built.Inits[Cnt] = Init.get(); |
9571 | Built.Updates[Cnt] = Update.get(); |
9572 | Built.Finals[Cnt] = Final.get(); |
9573 | Built.DependentCounters[Cnt] = nullptr; |
9574 | Built.DependentInits[Cnt] = nullptr; |
9575 | Built.FinalsConditions[Cnt] = nullptr; |
9576 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { |
9577 | Built.DependentCounters[Cnt] = |
9578 | Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; |
9579 | Built.DependentInits[Cnt] = |
9580 | Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; |
9581 | Built.FinalsConditions[Cnt] = IS.FinalCondition; |
9582 | } |
9583 | } |
9584 | } |
9585 | |
9586 | if (HasErrors) |
9587 | return 0; |
9588 | |
9589 | // Save results |
9590 | Built.IterationVarRef = IV.get(); |
9591 | Built.LastIteration = LastIteration.get(); |
9592 | Built.NumIterations = NumIterations.get(); |
9593 | Built.CalcLastIteration = SemaRef |
9594 | .ActOnFinishFullExpr(CalcLastIteration.get(), |
9595 | /*DiscardedValue=*/false) |
9596 | .get(); |
9597 | Built.PreCond = PreCond.get(); |
9598 | Built.PreInits = buildPreInits(C, Captures); |
9599 | Built.Cond = Cond.get(); |
9600 | Built.Init = Init.get(); |
9601 | Built.Inc = Inc.get(); |
9602 | Built.LB = LB.get(); |
9603 | Built.UB = UB.get(); |
9604 | Built.IL = IL.get(); |
9605 | Built.ST = ST.get(); |
9606 | Built.EUB = EUB.get(); |
9607 | Built.NLB = NextLB.get(); |
9608 | Built.NUB = NextUB.get(); |
9609 | Built.PrevLB = PrevLB.get(); |
9610 | Built.PrevUB = PrevUB.get(); |
9611 | Built.DistInc = DistInc.get(); |
9612 | Built.PrevEUB = PrevEUB.get(); |
9613 | Built.DistCombinedFields.LB = CombLB.get(); |
9614 | Built.DistCombinedFields.UB = CombUB.get(); |
9615 | Built.DistCombinedFields.EUB = CombEUB.get(); |
9616 | Built.DistCombinedFields.Init = CombInit.get(); |
9617 | Built.DistCombinedFields.Cond = CombCond.get(); |
9618 | Built.DistCombinedFields.NLB = CombNextLB.get(); |
9619 | Built.DistCombinedFields.NUB = CombNextUB.get(); |
9620 | Built.DistCombinedFields.DistCond = CombDistCond.get(); |
9621 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); |
9622 | |
9623 | return NestedLoopCount; |
9624 | } |
9625 | |
9626 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { |
9627 | auto CollapseClauses = |
9628 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); |
9629 | if (CollapseClauses.begin() != CollapseClauses.end()) |
9630 | return (*CollapseClauses.begin())->getNumForLoops(); |
9631 | return nullptr; |
9632 | } |
9633 | |
9634 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { |
9635 | auto OrderedClauses = |
9636 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); |
9637 | if (OrderedClauses.begin() != OrderedClauses.end()) |
9638 | return (*OrderedClauses.begin())->getNumForLoops(); |
9639 | return nullptr; |
9640 | } |
9641 | |
9642 | static bool checkSimdlenSafelenSpecified(Sema &S, |
9643 | const ArrayRef<OMPClause *> Clauses) { |
9644 | const OMPSafelenClause *Safelen = nullptr; |
9645 | const OMPSimdlenClause *Simdlen = nullptr; |
9646 | |
9647 | for (const OMPClause *Clause : Clauses) { |
9648 | if (Clause->getClauseKind() == OMPC_safelen) |
9649 | Safelen = cast<OMPSafelenClause>(Clause); |
9650 | else if (Clause->getClauseKind() == OMPC_simdlen) |
9651 | Simdlen = cast<OMPSimdlenClause>(Clause); |
9652 | if (Safelen && Simdlen) |
9653 | break; |
9654 | } |
9655 | |
9656 | if (Simdlen && Safelen) { |
9657 | const Expr *SimdlenLength = Simdlen->getSimdlen(); |
9658 | const Expr *SafelenLength = Safelen->getSafelen(); |
9659 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || |
9660 | SimdlenLength->isInstantiationDependent() || |
9661 | SimdlenLength->containsUnexpandedParameterPack()) |
9662 | return false; |
9663 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || |
9664 | SafelenLength->isInstantiationDependent() || |
9665 | SafelenLength->containsUnexpandedParameterPack()) |
9666 | return false; |
9667 | Expr::EvalResult SimdlenResult, SafelenResult; |
9668 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); |
9669 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); |
9670 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); |
9671 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); |
9672 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] |
9673 | // If both simdlen and safelen clauses are specified, the value of the |
9674 | // simdlen parameter must be less than or equal to the value of the safelen |
9675 | // parameter. |
9676 | if (SimdlenRes > SafelenRes) { |
9677 | S.Diag(SimdlenLength->getExprLoc(), |
9678 | diag::err_omp_wrong_simdlen_safelen_values) |
9679 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); |
9680 | return true; |
9681 | } |
9682 | } |
9683 | return false; |
9684 | } |
9685 | |
9686 | StmtResult |
9687 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
9688 | SourceLocation StartLoc, SourceLocation EndLoc, |
9689 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
9690 | if (!AStmt) |
9691 | return StmtError(); |
9692 | |
9693 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
9694 | OMPLoopBasedDirective::HelperExprs B; |
9695 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
9696 | // define the nested loops number. |
9697 | unsigned NestedLoopCount = checkOpenMPLoop( |
9698 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
9699 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
9700 | if (NestedLoopCount == 0) |
9701 | return StmtError(); |
9702 | |
9703 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
9704 | "omp simd loop exprs were not built")(static_cast<void> (0)); |
9705 | |
9706 | if (!CurContext->isDependentContext()) { |
9707 | // Finalize the clauses that need pre-built expressions for CodeGen. |
9708 | for (OMPClause *C : Clauses) { |
9709 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
9710 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
9711 | B.NumIterations, *this, CurScope, |
9712 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
9713 | return StmtError(); |
9714 | } |
9715 | } |
9716 | |
9717 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
9718 | return StmtError(); |
9719 | |
9720 | setFunctionHasBranchProtectedScope(); |
9721 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, |
9722 | Clauses, AStmt, B); |
9723 | } |
9724 | |
9725 | StmtResult |
9726 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
9727 | SourceLocation StartLoc, SourceLocation EndLoc, |
9728 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
9729 | if (!AStmt) |
9730 | return StmtError(); |
9731 | |
9732 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
9733 | OMPLoopBasedDirective::HelperExprs B; |
9734 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
9735 | // define the nested loops number. |
9736 | unsigned NestedLoopCount = checkOpenMPLoop( |
9737 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), |
9738 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
9739 | if (NestedLoopCount == 0) |
9740 | return StmtError(); |
9741 | |
9742 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
9743 | "omp for loop exprs were not built")(static_cast<void> (0)); |
9744 | |
9745 | if (!CurContext->isDependentContext()) { |
9746 | // Finalize the clauses that need pre-built expressions for CodeGen. |
9747 | for (OMPClause *C : Clauses) { |
9748 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
9749 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
9750 | B.NumIterations, *this, CurScope, |
9751 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
9752 | return StmtError(); |
9753 | } |
9754 | } |
9755 | |
9756 | setFunctionHasBranchProtectedScope(); |
9757 | return OMPForDirective::Create( |
9758 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
9759 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
9760 | } |
9761 | |
9762 | StmtResult Sema::ActOnOpenMPForSimdDirective( |
9763 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
9764 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
9765 | if (!AStmt) |
9766 | return StmtError(); |
9767 | |
9768 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
9769 | OMPLoopBasedDirective::HelperExprs B; |
9770 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
9771 | // define the nested loops number. |
9772 | unsigned NestedLoopCount = |
9773 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), |
9774 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
9775 | VarsWithImplicitDSA, B); |
9776 | if (NestedLoopCount == 0) |
9777 | return StmtError(); |
9778 | |
9779 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
9780 | "omp for simd loop exprs were not built")(static_cast<void> (0)); |
9781 | |
9782 | if (!CurContext->isDependentContext()) { |
9783 | // Finalize the clauses that need pre-built expressions for CodeGen. |
9784 | for (OMPClause *C : Clauses) { |
9785 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
9786 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
9787 | B.NumIterations, *this, CurScope, |
9788 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
9789 | return StmtError(); |
9790 | } |
9791 | } |
9792 | |
9793 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
9794 | return StmtError(); |
9795 | |
9796 | setFunctionHasBranchProtectedScope(); |
9797 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, |
9798 | Clauses, AStmt, B); |
9799 | } |
9800 | |
9801 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, |
9802 | Stmt *AStmt, |
9803 | SourceLocation StartLoc, |
9804 | SourceLocation EndLoc) { |
9805 | if (!AStmt) |
9806 | return StmtError(); |
9807 | |
9808 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
9809 | auto BaseStmt = AStmt; |
9810 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) |
9811 | BaseStmt = CS->getCapturedStmt(); |
9812 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { |
9813 | auto S = C->children(); |
9814 | if (S.begin() == S.end()) |
9815 | return StmtError(); |
9816 | // All associated statements must be '#pragma omp section' except for |
9817 | // the first one. |
9818 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { |
9819 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { |
9820 | if (SectionStmt) |
9821 | Diag(SectionStmt->getBeginLoc(), |
9822 | diag::err_omp_sections_substmt_not_section); |
9823 | return StmtError(); |
9824 | } |
9825 | cast<OMPSectionDirective>(SectionStmt) |
9826 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
9827 | } |
9828 | } else { |
9829 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); |
9830 | return StmtError(); |
9831 | } |
9832 | |
9833 | setFunctionHasBranchProtectedScope(); |
9834 | |
9835 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
9836 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), |
9837 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
9838 | } |
9839 | |
9840 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, |
9841 | SourceLocation StartLoc, |
9842 | SourceLocation EndLoc) { |
9843 | if (!AStmt) |
9844 | return StmtError(); |
9845 | |
9846 | setFunctionHasBranchProtectedScope(); |
9847 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
9848 | |
9849 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, |
9850 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
9851 | } |
9852 | |
9853 | static Expr *getDirectCallExpr(Expr *E) { |
9854 | E = E->IgnoreParenCasts()->IgnoreImplicit(); |
9855 | if (auto *CE = dyn_cast<CallExpr>(E)) |
9856 | if (CE->getDirectCallee()) |
9857 | return E; |
9858 | return nullptr; |
9859 | } |
9860 | |
9861 | StmtResult Sema::ActOnOpenMPDispatchDirective(ArrayRef<OMPClause *> Clauses, |
9862 | Stmt *AStmt, |
9863 | SourceLocation StartLoc, |
9864 | SourceLocation EndLoc) { |
9865 | if (!AStmt) |
9866 | return StmtError(); |
9867 | |
9868 | Stmt *S = cast<CapturedStmt>(AStmt)->getCapturedStmt(); |
9869 | |
9870 | // 5.1 OpenMP |
9871 | // expression-stmt : an expression statement with one of the following forms: |
9872 | // expression = target-call ( [expression-list] ); |
9873 | // target-call ( [expression-list] ); |
9874 | |
9875 | SourceLocation TargetCallLoc; |
9876 | |
9877 | if (!CurContext->isDependentContext()) { |
9878 | Expr *TargetCall = nullptr; |
9879 | |
9880 | auto *E = dyn_cast<Expr>(S); |
9881 | if (!E) { |
9882 | Diag(S->getBeginLoc(), diag::err_omp_dispatch_statement_call); |
9883 | return StmtError(); |
9884 | } |
9885 | |
9886 | E = E->IgnoreParenCasts()->IgnoreImplicit(); |
9887 | |
9888 | if (auto *BO = dyn_cast<BinaryOperator>(E)) { |
9889 | if (BO->getOpcode() == BO_Assign) |
9890 | TargetCall = getDirectCallExpr(BO->getRHS()); |
9891 | } else { |
9892 | if (auto *COCE = dyn_cast<CXXOperatorCallExpr>(E)) |
9893 | if (COCE->getOperator() == OO_Equal) |
9894 | TargetCall = getDirectCallExpr(COCE->getArg(1)); |
9895 | if (!TargetCall) |
9896 | TargetCall = getDirectCallExpr(E); |
9897 | } |
9898 | if (!TargetCall) { |
9899 | Diag(E->getBeginLoc(), diag::err_omp_dispatch_statement_call); |
9900 | return StmtError(); |
9901 | } |
9902 | TargetCallLoc = TargetCall->getExprLoc(); |
9903 | } |
9904 | |
9905 | setFunctionHasBranchProtectedScope(); |
9906 | |
9907 | return OMPDispatchDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
9908 | TargetCallLoc); |
9909 | } |
9910 | |
9911 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, |
9912 | Stmt *AStmt, |
9913 | SourceLocation StartLoc, |
9914 | SourceLocation EndLoc) { |
9915 | if (!AStmt) |
9916 | return StmtError(); |
9917 | |
9918 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
9919 | |
9920 | setFunctionHasBranchProtectedScope(); |
9921 | |
9922 | // OpenMP [2.7.3, single Construct, Restrictions] |
9923 | // The copyprivate clause must not be used with the nowait clause. |
9924 | const OMPClause *Nowait = nullptr; |
9925 | const OMPClause *Copyprivate = nullptr; |
9926 | for (const OMPClause *Clause : Clauses) { |
9927 | if (Clause->getClauseKind() == OMPC_nowait) |
9928 | Nowait = Clause; |
9929 | else if (Clause->getClauseKind() == OMPC_copyprivate) |
9930 | Copyprivate = Clause; |
9931 | if (Copyprivate && Nowait) { |
9932 | Diag(Copyprivate->getBeginLoc(), |
9933 | diag::err_omp_single_copyprivate_with_nowait); |
9934 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); |
9935 | return StmtError(); |
9936 | } |
9937 | } |
9938 | |
9939 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
9940 | } |
9941 | |
9942 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, |
9943 | SourceLocation StartLoc, |
9944 | SourceLocation EndLoc) { |
9945 | if (!AStmt) |
9946 | return StmtError(); |
9947 | |
9948 | setFunctionHasBranchProtectedScope(); |
9949 | |
9950 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); |
9951 | } |
9952 | |
9953 | StmtResult Sema::ActOnOpenMPMaskedDirective(ArrayRef<OMPClause *> Clauses, |
9954 | Stmt *AStmt, |
9955 | SourceLocation StartLoc, |
9956 | SourceLocation EndLoc) { |
9957 | if (!AStmt) |
9958 | return StmtError(); |
9959 | |
9960 | setFunctionHasBranchProtectedScope(); |
9961 | |
9962 | return OMPMaskedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
9963 | } |
9964 | |
9965 | StmtResult Sema::ActOnOpenMPCriticalDirective( |
9966 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, |
9967 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { |
9968 | if (!AStmt) |
9969 | return StmtError(); |
9970 | |
9971 | bool ErrorFound = false; |
9972 | llvm::APSInt Hint; |
9973 | SourceLocation HintLoc; |
9974 | bool DependentHint = false; |
9975 | for (const OMPClause *C : Clauses) { |
9976 | if (C->getClauseKind() == OMPC_hint) { |
9977 | if (!DirName.getName()) { |
9978 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); |
9979 | ErrorFound = true; |
9980 | } |
9981 | Expr *E = cast<OMPHintClause>(C)->getHint(); |
9982 | if (E->isTypeDependent() || E->isValueDependent() || |
9983 | E->isInstantiationDependent()) { |
9984 | DependentHint = true; |
9985 | } else { |
9986 | Hint = E->EvaluateKnownConstInt(Context); |
9987 | HintLoc = C->getBeginLoc(); |
9988 | } |
9989 | } |
9990 | } |
9991 | if (ErrorFound) |
9992 | return StmtError(); |
9993 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); |
9994 | if (Pair.first && DirName.getName() && !DependentHint) { |
9995 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { |
9996 | Diag(StartLoc, diag::err_omp_critical_with_hint); |
9997 | if (HintLoc.isValid()) |
9998 | Diag(HintLoc, diag::note_omp_critical_hint_here) |
9999 | << 0 << toString(Hint, /*Radix=*/10, /*Signed=*/false); |
10000 | else |
10001 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; |
10002 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { |
10003 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) |
10004 | << 1 |
10005 | << toString(C->getHint()->EvaluateKnownConstInt(Context), |
10006 | /*Radix=*/10, /*Signed=*/false); |
10007 | } else { |
10008 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; |
10009 | } |
10010 | } |
10011 | } |
10012 | |
10013 | setFunctionHasBranchProtectedScope(); |
10014 | |
10015 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, |
10016 | Clauses, AStmt); |
10017 | if (!Pair.first && DirName.getName() && !DependentHint) |
10018 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); |
10019 | return Dir; |
10020 | } |
10021 | |
10022 | StmtResult Sema::ActOnOpenMPParallelForDirective( |
10023 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10024 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10025 | if (!AStmt) |
10026 | return StmtError(); |
10027 | |
10028 | auto *CS = cast<CapturedStmt>(AStmt); |
10029 | // 1.2.2 OpenMP Language Terminology |
10030 | // Structured block - An executable statement with a single entry at the |
10031 | // top and a single exit at the bottom. |
10032 | // The point of exit cannot be a branch out of the structured block. |
10033 | // longjmp() and throw() must not violate the entry/exit criteria. |
10034 | CS->getCapturedDecl()->setNothrow(); |
10035 | |
10036 | OMPLoopBasedDirective::HelperExprs B; |
10037 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10038 | // define the nested loops number. |
10039 | unsigned NestedLoopCount = |
10040 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), |
10041 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10042 | VarsWithImplicitDSA, B); |
10043 | if (NestedLoopCount == 0) |
10044 | return StmtError(); |
10045 | |
10046 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
10047 | "omp parallel for loop exprs were not built")(static_cast<void> (0)); |
10048 | |
10049 | if (!CurContext->isDependentContext()) { |
10050 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10051 | for (OMPClause *C : Clauses) { |
10052 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10053 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10054 | B.NumIterations, *this, CurScope, |
10055 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10056 | return StmtError(); |
10057 | } |
10058 | } |
10059 | |
10060 | setFunctionHasBranchProtectedScope(); |
10061 | return OMPParallelForDirective::Create( |
10062 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
10063 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10064 | } |
10065 | |
10066 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( |
10067 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10068 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
10069 | if (!AStmt) |
10070 | return StmtError(); |
10071 | |
10072 | auto *CS = cast<CapturedStmt>(AStmt); |
10073 | // 1.2.2 OpenMP Language Terminology |
10074 | // Structured block - An executable statement with a single entry at the |
10075 | // top and a single exit at the bottom. |
10076 | // The point of exit cannot be a branch out of the structured block. |
10077 | // longjmp() and throw() must not violate the entry/exit criteria. |
10078 | CS->getCapturedDecl()->setNothrow(); |
10079 | |
10080 | OMPLoopBasedDirective::HelperExprs B; |
10081 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
10082 | // define the nested loops number. |
10083 | unsigned NestedLoopCount = |
10084 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), |
10085 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
10086 | VarsWithImplicitDSA, B); |
10087 | if (NestedLoopCount == 0) |
10088 | return StmtError(); |
10089 | |
10090 | if (!CurContext->isDependentContext()) { |
10091 | // Finalize the clauses that need pre-built expressions for CodeGen. |
10092 | for (OMPClause *C : Clauses) { |
10093 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
10094 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
10095 | B.NumIterations, *this, CurScope, |
10096 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
10097 | return StmtError(); |
10098 | } |
10099 | } |
10100 | |
10101 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
10102 | return StmtError(); |
10103 | |
10104 | setFunctionHasBranchProtectedScope(); |
10105 | return OMPParallelForSimdDirective::Create( |
10106 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
10107 | } |
10108 | |
10109 | StmtResult |
10110 | Sema::ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, |
10111 | Stmt *AStmt, SourceLocation StartLoc, |
10112 | SourceLocation EndLoc) { |
10113 | if (!AStmt) |
10114 | return StmtError(); |
10115 | |
10116 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
10117 | auto *CS = cast<CapturedStmt>(AStmt); |
10118 | // 1.2.2 OpenMP Language Terminology |
10119 | // Structured block - An executable statement with a single entry at the |
10120 | // top and a single exit at the bottom. |
10121 | // The point of exit cannot be a branch out of the structured block. |
10122 | // longjmp() and throw() must not violate the entry/exit criteria. |
10123 | CS->getCapturedDecl()->setNothrow(); |
10124 | |
10125 | setFunctionHasBranchProtectedScope(); |
10126 | |
10127 | return OMPParallelMasterDirective::Create( |
10128 | Context, StartLoc, EndLoc, Clauses, AStmt, |
10129 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); |
10130 | } |
10131 | |
10132 | StmtResult |
10133 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, |
10134 | Stmt *AStmt, SourceLocation StartLoc, |
10135 | SourceLocation EndLoc) { |
10136 | if (!AStmt) |
10137 | return StmtError(); |
10138 | |
10139 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
10140 | auto BaseStmt = AStmt; |
10141 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) |
10142 | BaseStmt = CS->getCapturedStmt(); |
10143 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { |
10144 | auto S = C->children(); |
10145 | if (S.begin() == S.end()) |
10146 | return StmtError(); |
10147 | // All associated statements must be '#pragma omp section' except for |
10148 | // the first one. |
10149 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { |
10150 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { |
10151 | if (SectionStmt) |
10152 | Diag(SectionStmt->getBeginLoc(), |
10153 | diag::err_omp_parallel_sections_substmt_not_section); |
10154 | return StmtError(); |
10155 | } |
10156 | cast<OMPSectionDirective>(SectionStmt) |
10157 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10158 | } |
10159 | } else { |
10160 | Diag(AStmt->getBeginLoc(), |
10161 | diag::err_omp_parallel_sections_not_compound_stmt); |
10162 | return StmtError(); |
10163 | } |
10164 | |
10165 | setFunctionHasBranchProtectedScope(); |
10166 | |
10167 | return OMPParallelSectionsDirective::Create( |
10168 | Context, StartLoc, EndLoc, Clauses, AStmt, |
10169 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10170 | } |
10171 | |
10172 | /// Find and diagnose mutually exclusive clause kinds. |
10173 | static bool checkMutuallyExclusiveClauses( |
10174 | Sema &S, ArrayRef<OMPClause *> Clauses, |
10175 | ArrayRef<OpenMPClauseKind> MutuallyExclusiveClauses) { |
10176 | const OMPClause *PrevClause = nullptr; |
10177 | bool ErrorFound = false; |
10178 | for (const OMPClause *C : Clauses) { |
10179 | if (llvm::is_contained(MutuallyExclusiveClauses, C->getClauseKind())) { |
10180 | if (!PrevClause) { |
10181 | PrevClause = C; |
10182 | } else if (PrevClause->getClauseKind() != C->getClauseKind()) { |
10183 | S.Diag(C->getBeginLoc(), diag::err_omp_clauses_mutually_exclusive) |
10184 | << getOpenMPClauseName(C->getClauseKind()) |
10185 | << getOpenMPClauseName(PrevClause->getClauseKind()); |
10186 | S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_clause) |
10187 | << getOpenMPClauseName(PrevClause->getClauseKind()); |
10188 | ErrorFound = true; |
10189 | } |
10190 | } |
10191 | } |
10192 | return ErrorFound; |
10193 | } |
10194 | |
10195 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, |
10196 | Stmt *AStmt, SourceLocation StartLoc, |
10197 | SourceLocation EndLoc) { |
10198 | if (!AStmt) |
10199 | return StmtError(); |
10200 | |
10201 | // OpenMP 5.0, 2.10.1 task Construct |
10202 | // If a detach clause appears on the directive, then a mergeable clause cannot |
10203 | // appear on the same directive. |
10204 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
10205 | {OMPC_detach, OMPC_mergeable})) |
10206 | return StmtError(); |
10207 | |
10208 | auto *CS = cast<CapturedStmt>(AStmt); |
10209 | // 1.2.2 OpenMP Language Terminology |
10210 | // Structured block - An executable statement with a single entry at the |
10211 | // top and a single exit at the bottom. |
10212 | // The point of exit cannot be a branch out of the structured block. |
10213 | // longjmp() and throw() must not violate the entry/exit criteria. |
10214 | CS->getCapturedDecl()->setNothrow(); |
10215 | |
10216 | setFunctionHasBranchProtectedScope(); |
10217 | |
10218 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
10219 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
10220 | } |
10221 | |
10222 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, |
10223 | SourceLocation EndLoc) { |
10224 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); |
10225 | } |
10226 | |
10227 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, |
10228 | SourceLocation EndLoc) { |
10229 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); |
10230 | } |
10231 | |
10232 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, |
10233 | SourceLocation EndLoc) { |
10234 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); |
10235 | } |
10236 | |
10237 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, |
10238 | Stmt *AStmt, |
10239 | SourceLocation StartLoc, |
10240 | SourceLocation EndLoc) { |
10241 | if (!AStmt) |
10242 | return StmtError(); |
10243 | |
10244 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
10245 | |
10246 | setFunctionHasBranchProtectedScope(); |
10247 | |
10248 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, |
10249 | AStmt, |
10250 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); |
10251 | } |
10252 | |
10253 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, |
10254 | SourceLocation StartLoc, |
10255 | SourceLocation EndLoc) { |
10256 | OMPFlushClause *FC = nullptr; |
10257 | OMPClause *OrderClause = nullptr; |
10258 | for (OMPClause *C : Clauses) { |
10259 | if (C->getClauseKind() == OMPC_flush) |
10260 | FC = cast<OMPFlushClause>(C); |
10261 | else |
10262 | OrderClause = C; |
10263 | } |
10264 | OpenMPClauseKind MemOrderKind = OMPC_unknown; |
10265 | SourceLocation MemOrderLoc; |
10266 | for (const OMPClause *C : Clauses) { |
10267 | if (C->getClauseKind() == OMPC_acq_rel || |
10268 | C->getClauseKind() == OMPC_acquire || |
10269 | C->getClauseKind() == OMPC_release) { |
10270 | if (MemOrderKind != OMPC_unknown) { |
10271 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) |
10272 | << getOpenMPDirectiveName(OMPD_flush) << 1 |
10273 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
10274 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
10275 | << getOpenMPClauseName(MemOrderKind); |
10276 | } else { |
10277 | MemOrderKind = C->getClauseKind(); |
10278 | MemOrderLoc = C->getBeginLoc(); |
10279 | } |
10280 | } |
10281 | } |
10282 | if (FC && OrderClause) { |
10283 | Diag(FC->getLParenLoc(), diag::err_omp_flush_order_clause_and_list) |
10284 | << getOpenMPClauseName(OrderClause->getClauseKind()); |
10285 | Diag(OrderClause->getBeginLoc(), diag::note_omp_flush_order_clause_here) |
10286 | << getOpenMPClauseName(OrderClause->getClauseKind()); |
10287 | return StmtError(); |
10288 | } |
10289 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); |
10290 | } |
10291 | |
10292 | StmtResult Sema::ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, |
10293 | SourceLocation StartLoc, |
10294 | SourceLocation EndLoc) { |
10295 | if (Clauses.empty()) { |
10296 | Diag(StartLoc, diag::err_omp_depobj_expected); |
10297 | return StmtError(); |
10298 | } else if (Clauses[0]->getClauseKind() != OMPC_depobj) { |
10299 | Diag(Clauses[0]->getBeginLoc(), diag::err_omp_depobj_expected); |
10300 | return StmtError(); |
10301 | } |
10302 | // Only depobj expression and another single clause is allowed. |
10303 | if (Clauses.size() > 2) { |
10304 | Diag(Clauses[2]->getBeginLoc(), |
10305 | diag::err_omp_depobj_single_clause_expected); |
10306 | return StmtError(); |
10307 | } else if (Clauses.size() < 1) { |
10308 | Diag(Clauses[0]->getEndLoc(), diag::err_omp_depobj_single_clause_expected); |
10309 | return StmtError(); |
10310 | } |
10311 | return OMPDepobjDirective::Create(Context, StartLoc, EndLoc, Clauses); |
10312 | } |
10313 | |
10314 | StmtResult Sema::ActOnOpenMPScanDirective(ArrayRef<OMPClause *> Clauses, |
10315 | SourceLocation StartLoc, |
10316 | SourceLocation EndLoc) { |
10317 | // Check that exactly one clause is specified. |
10318 | if (Clauses.size() != 1) { |
10319 | Diag(Clauses.empty() ? EndLoc : Clauses[1]->getBeginLoc(), |
10320 | diag::err_omp_scan_single_clause_expected); |
10321 | return StmtError(); |
10322 | } |
10323 | // Check that scan directive is used in the scopeof the OpenMP loop body. |
10324 | if (Scope *S = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()) { |
10325 | Scope *ParentS = S->getParent(); |
10326 | if (!ParentS || ParentS->getParent() != ParentS->getBreakParent() || |
10327 | !ParentS->getBreakParent()->isOpenMPLoopScope()) |
10328 | return StmtError(Diag(StartLoc, diag::err_omp_orphaned_device_directive) |
10329 | << getOpenMPDirectiveName(OMPD_scan) << 5); |
10330 | } |
10331 | // Check that only one instance of scan directives is used in the same outer |
10332 | // region. |
10333 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasScanDirective()) { |
10334 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "scan"; |
10335 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentScanDirectiveLoc(), |
10336 | diag::note_omp_previous_directive) |
10337 | << "scan"; |
10338 | return StmtError(); |
10339 | } |
10340 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasScanDirective(StartLoc); |
10341 | return OMPScanDirective::Create(Context, StartLoc, EndLoc, Clauses); |
10342 | } |
10343 | |
10344 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, |
10345 | Stmt *AStmt, |
10346 | SourceLocation StartLoc, |
10347 | SourceLocation EndLoc) { |
10348 | const OMPClause *DependFound = nullptr; |
10349 | const OMPClause *DependSourceClause = nullptr; |
10350 | const OMPClause *DependSinkClause = nullptr; |
10351 | bool ErrorFound = false; |
10352 | const OMPThreadsClause *TC = nullptr; |
10353 | const OMPSIMDClause *SC = nullptr; |
10354 | for (const OMPClause *C : Clauses) { |
10355 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { |
10356 | DependFound = C; |
10357 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { |
10358 | if (DependSourceClause) { |
10359 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) |
10360 | << getOpenMPDirectiveName(OMPD_ordered) |
10361 | << getOpenMPClauseName(OMPC_depend) << 2; |
10362 | ErrorFound = true; |
10363 | } else { |
10364 | DependSourceClause = C; |
10365 | } |
10366 | if (DependSinkClause) { |
10367 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) |
10368 | << 0; |
10369 | ErrorFound = true; |
10370 | } |
10371 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { |
10372 | if (DependSourceClause) { |
10373 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) |
10374 | << 1; |
10375 | ErrorFound = true; |
10376 | } |
10377 | DependSinkClause = C; |
10378 | } |
10379 | } else if (C->getClauseKind() == OMPC_threads) { |
10380 | TC = cast<OMPThreadsClause>(C); |
10381 | } else if (C->getClauseKind() == OMPC_simd) { |
10382 | SC = cast<OMPSIMDClause>(C); |
10383 | } |
10384 | } |
10385 | if (!ErrorFound && !SC && |
10386 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { |
10387 | // OpenMP [2.8.1,simd Construct, Restrictions] |
10388 | // An ordered construct with the simd clause is the only OpenMP construct |
10389 | // that can appear in the simd region. |
10390 | Diag(StartLoc, diag::err_omp_prohibited_region_simd) |
10391 | << (LangOpts.OpenMP >= 50 ? 1 : 0); |
10392 | ErrorFound = true; |
10393 | } else if (DependFound && (TC || SC)) { |
10394 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) |
10395 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); |
10396 | ErrorFound = true; |
10397 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
10398 | Diag(DependFound->getBeginLoc(), |
10399 | diag::err_omp_ordered_directive_without_param); |
10400 | ErrorFound = true; |
10401 | } else if (TC || Clauses.empty()) { |
10402 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
10403 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; |
10404 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) |
10405 | << (TC != nullptr); |
10406 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param) << 1; |
10407 | ErrorFound = true; |
10408 | } |
10409 | } |
10410 | if ((!AStmt && !DependFound) || ErrorFound) |
10411 | return StmtError(); |
10412 | |
10413 | // OpenMP 5.0, 2.17.9, ordered Construct, Restrictions. |
10414 | // During execution of an iteration of a worksharing-loop or a loop nest |
10415 | // within a worksharing-loop, simd, or worksharing-loop SIMD region, a thread |
10416 | // must not execute more than one ordered region corresponding to an ordered |
10417 | // construct without a depend clause. |
10418 | if (!DependFound) { |
10419 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasOrderedDirective()) { |
10420 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "ordered"; |
10421 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedDirectiveLoc(), |
10422 | diag::note_omp_previous_directive) |
10423 | << "ordered"; |
10424 | return StmtError(); |
10425 | } |
10426 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasOrderedDirective(StartLoc); |
10427 | } |
10428 | |
10429 | if (AStmt) { |
10430 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
10431 | |
10432 | setFunctionHasBranchProtectedScope(); |
10433 | } |
10434 | |
10435 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
10436 | } |
10437 | |
10438 | namespace { |
10439 | /// Helper class for checking expression in 'omp atomic [update]' |
10440 | /// construct. |
10441 | class OpenMPAtomicUpdateChecker { |
10442 | /// Error results for atomic update expressions. |
10443 | enum ExprAnalysisErrorCode { |
10444 | /// A statement is not an expression statement. |
10445 | NotAnExpression, |
10446 | /// Expression is not builtin binary or unary operation. |
10447 | NotABinaryOrUnaryExpression, |
10448 | /// Unary operation is not post-/pre- increment/decrement operation. |
10449 | NotAnUnaryIncDecExpression, |
10450 | /// An expression is not of scalar type. |
10451 | NotAScalarType, |
10452 | /// A binary operation is not an assignment operation. |
10453 | NotAnAssignmentOp, |
10454 | /// RHS part of the binary operation is not a binary expression. |
10455 | NotABinaryExpression, |
10456 | /// RHS part is not additive/multiplicative/shift/biwise binary |
10457 | /// expression. |
10458 | NotABinaryOperator, |
10459 | /// RHS binary operation does not have reference to the updated LHS |
10460 | /// part. |
10461 | NotAnUpdateExpression, |
10462 | /// No errors is found. |
10463 | NoError |
10464 | }; |
10465 | /// Reference to Sema. |
10466 | Sema &SemaRef; |
10467 | /// A location for note diagnostics (when error is found). |
10468 | SourceLocation NoteLoc; |
10469 | /// 'x' lvalue part of the source atomic expression. |
10470 | Expr *X; |
10471 | /// 'expr' rvalue part of the source atomic expression. |
10472 | Expr *E; |
10473 | /// Helper expression of the form |
10474 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or |
10475 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. |
10476 | Expr *UpdateExpr; |
10477 | /// Is 'x' a LHS in a RHS part of full update expression. It is |
10478 | /// important for non-associative operations. |
10479 | bool IsXLHSInRHSPart; |
10480 | BinaryOperatorKind Op; |
10481 | SourceLocation OpLoc; |
10482 | /// true if the source expression is a postfix unary operation, false |
10483 | /// if it is a prefix unary operation. |
10484 | bool IsPostfixUpdate; |
10485 | |
10486 | public: |
10487 | OpenMPAtomicUpdateChecker(Sema &SemaRef) |
10488 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), |
10489 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} |
10490 | /// Check specified statement that it is suitable for 'atomic update' |
10491 | /// constructs and extract 'x', 'expr' and Operation from the original |
10492 | /// expression. If DiagId and NoteId == 0, then only check is performed |
10493 | /// without error notification. |
10494 | /// \param DiagId Diagnostic which should be emitted if error is found. |
10495 | /// \param NoteId Diagnostic note for the main error message. |
10496 | /// \return true if statement is not an update expression, false otherwise. |
10497 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); |
10498 | /// Return the 'x' lvalue part of the source atomic expression. |
10499 | Expr *getX() const { return X; } |
10500 | /// Return the 'expr' rvalue part of the source atomic expression. |
10501 | Expr *getExpr() const { return E; } |
10502 | /// Return the update expression used in calculation of the updated |
10503 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or |
10504 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. |
10505 | Expr *getUpdateExpr() const { return UpdateExpr; } |
10506 | /// Return true if 'x' is LHS in RHS part of full update expression, |
10507 | /// false otherwise. |
10508 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } |
10509 | |
10510 | /// true if the source expression is a postfix unary operation, false |
10511 | /// if it is a prefix unary operation. |
10512 | bool isPostfixUpdate() const { return IsPostfixUpdate; } |
10513 | |
10514 | private: |
10515 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, |
10516 | unsigned NoteId = 0); |
10517 | }; |
10518 | } // namespace |
10519 | |
10520 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( |
10521 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { |
10522 | ExprAnalysisErrorCode ErrorFound = NoError; |
10523 | SourceLocation ErrorLoc, NoteLoc; |
10524 | SourceRange ErrorRange, NoteRange; |
10525 | // Allowed constructs are: |
10526 | // x = x binop expr; |
10527 | // x = expr binop x; |
10528 | if (AtomicBinOp->getOpcode() == BO_Assign) { |
10529 | X = AtomicBinOp->getLHS(); |
10530 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( |
10531 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { |
10532 | if (AtomicInnerBinOp->isMultiplicativeOp() || |
10533 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || |
10534 | AtomicInnerBinOp->isBitwiseOp()) { |
10535 | Op = AtomicInnerBinOp->getOpcode(); |
10536 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); |
10537 | Expr *LHS = AtomicInnerBinOp->getLHS(); |
10538 | Expr *RHS = AtomicInnerBinOp->getRHS(); |
10539 | llvm::FoldingSetNodeID XId, LHSId, RHSId; |
10540 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), |
10541 | /*Canonical=*/true); |
10542 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), |
10543 | /*Canonical=*/true); |
10544 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), |
10545 | /*Canonical=*/true); |
10546 | if (XId == LHSId) { |
10547 | E = RHS; |
10548 | IsXLHSInRHSPart = true; |
10549 | } else if (XId == RHSId) { |
10550 | E = LHS; |
10551 | IsXLHSInRHSPart = false; |
10552 | } else { |
10553 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); |
10554 | ErrorRange = AtomicInnerBinOp->getSourceRange(); |
10555 | NoteLoc = X->getExprLoc(); |
10556 | NoteRange = X->getSourceRange(); |
10557 | ErrorFound = NotAnUpdateExpression; |
10558 | } |
10559 | } else { |
10560 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); |
10561 | ErrorRange = AtomicInnerBinOp->getSourceRange(); |
10562 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); |
10563 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
10564 | ErrorFound = NotABinaryOperator; |
10565 | } |
10566 | } else { |
10567 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); |
10568 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); |
10569 | ErrorFound = NotABinaryExpression; |
10570 | } |
10571 | } else { |
10572 | ErrorLoc = AtomicBinOp->getExprLoc(); |
10573 | ErrorRange = AtomicBinOp->getSourceRange(); |
10574 | NoteLoc = AtomicBinOp->getOperatorLoc(); |
10575 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
10576 | ErrorFound = NotAnAssignmentOp; |
10577 | } |
10578 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { |
10579 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; |
10580 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; |
10581 | return true; |
10582 | } |
10583 | if (SemaRef.CurContext->isDependentContext()) |
10584 | E = X = UpdateExpr = nullptr; |
10585 | return ErrorFound != NoError; |
10586 | } |
10587 | |
10588 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, |
10589 | unsigned NoteId) { |
10590 | ExprAnalysisErrorCode ErrorFound = NoError; |
10591 | SourceLocation ErrorLoc, NoteLoc; |
10592 | SourceRange ErrorRange, NoteRange; |
10593 | // Allowed constructs are: |
10594 | // x++; |
10595 | // x--; |
10596 | // ++x; |
10597 | // --x; |
10598 | // x binop= expr; |
10599 | // x = x binop expr; |
10600 | // x = expr binop x; |
10601 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { |
10602 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); |
10603 | if (AtomicBody->getType()->isScalarType() || |
10604 | AtomicBody->isInstantiationDependent()) { |
10605 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( |
10606 | AtomicBody->IgnoreParenImpCasts())) { |
10607 | // Check for Compound Assignment Operation |
10608 | Op = BinaryOperator::getOpForCompoundAssignment( |
10609 | AtomicCompAssignOp->getOpcode()); |
10610 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); |
10611 | E = AtomicCompAssignOp->getRHS(); |
10612 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); |
10613 | IsXLHSInRHSPart = true; |
10614 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( |
10615 | AtomicBody->IgnoreParenImpCasts())) { |
10616 | // Check for Binary Operation |
10617 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) |
10618 | return true; |
10619 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( |
10620 | AtomicBody->IgnoreParenImpCasts())) { |
10621 | // Check for Unary Operation |
10622 | if (AtomicUnaryOp->isIncrementDecrementOp()) { |
10623 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); |
10624 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; |
10625 | OpLoc = AtomicUnaryOp->getOperatorLoc(); |
10626 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); |
10627 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); |
10628 | IsXLHSInRHSPart = true; |
10629 | } else { |
10630 | ErrorFound = NotAnUnaryIncDecExpression; |
10631 | ErrorLoc = AtomicUnaryOp->getExprLoc(); |
10632 | ErrorRange = AtomicUnaryOp->getSourceRange(); |
10633 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); |
10634 | NoteRange = SourceRange(NoteLoc, NoteLoc); |
10635 | } |
10636 | } else if (!AtomicBody->isInstantiationDependent()) { |
10637 | ErrorFound = NotABinaryOrUnaryExpression; |
10638 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); |
10639 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); |
10640 | } |
10641 | } else { |
10642 | ErrorFound = NotAScalarType; |
10643 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); |
10644 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
10645 | } |
10646 | } else { |
10647 | ErrorFound = NotAnExpression; |
10648 | NoteLoc = ErrorLoc = S->getBeginLoc(); |
10649 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
10650 | } |
10651 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { |
10652 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; |
10653 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; |
10654 | return true; |
10655 | } |
10656 | if (SemaRef.CurContext->isDependentContext()) |
10657 | E = X = UpdateExpr = nullptr; |
10658 | if (ErrorFound == NoError && E && X) { |
10659 | // Build an update expression of form 'OpaqueValueExpr(x) binop |
10660 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop |
10661 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. |
10662 | auto *OVEX = new (SemaRef.getASTContext()) |
10663 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_PRValue); |
10664 | auto *OVEExpr = new (SemaRef.getASTContext()) |
10665 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_PRValue); |
10666 | ExprResult Update = |
10667 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, |
10668 | IsXLHSInRHSPart ? OVEExpr : OVEX); |
10669 | if (Update.isInvalid()) |
10670 | return true; |
10671 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), |
10672 | Sema::AA_Casting); |
10673 | if (Update.isInvalid()) |
10674 | return true; |
10675 | UpdateExpr = Update.get(); |
10676 | } |
10677 | return ErrorFound != NoError; |
10678 | } |
10679 | |
10680 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, |
10681 | Stmt *AStmt, |
10682 | SourceLocation StartLoc, |
10683 | SourceLocation EndLoc) { |
10684 | // Register location of the first atomic directive. |
10685 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addAtomicDirectiveLoc(StartLoc); |
10686 | if (!AStmt) |
10687 | return StmtError(); |
10688 | |
10689 | // 1.2.2 OpenMP Language Terminology |
10690 | // Structured block - An executable statement with a single entry at the |
10691 | // top and a single exit at the bottom. |
10692 | // The point of exit cannot be a branch out of the structured block. |
10693 | // longjmp() and throw() must not violate the entry/exit criteria. |
10694 | OpenMPClauseKind AtomicKind = OMPC_unknown; |
10695 | SourceLocation AtomicKindLoc; |
10696 | OpenMPClauseKind MemOrderKind = OMPC_unknown; |
10697 | SourceLocation MemOrderLoc; |
10698 | for (const OMPClause *C : Clauses) { |
10699 | if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || |
10700 | C->getClauseKind() == OMPC_update || |
10701 | C->getClauseKind() == OMPC_capture) { |
10702 | if (AtomicKind != OMPC_unknown) { |
10703 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) |
10704 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
10705 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) |
10706 | << getOpenMPClauseName(AtomicKind); |
10707 | } else { |
10708 | AtomicKind = C->getClauseKind(); |
10709 | AtomicKindLoc = C->getBeginLoc(); |
10710 | } |
10711 | } |
10712 | if (C->getClauseKind() == OMPC_seq_cst || |
10713 | C->getClauseKind() == OMPC_acq_rel || |
10714 | C->getClauseKind() == OMPC_acquire || |
10715 | C->getClauseKind() == OMPC_release || |
10716 | C->getClauseKind() == OMPC_relaxed) { |
10717 | if (MemOrderKind != OMPC_unknown) { |
10718 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) |
10719 | << getOpenMPDirectiveName(OMPD_atomic) << 0 |
10720 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); |
10721 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
10722 | << getOpenMPClauseName(MemOrderKind); |
10723 | } else { |
10724 | MemOrderKind = C->getClauseKind(); |
10725 | MemOrderLoc = C->getBeginLoc(); |
10726 | } |
10727 | } |
10728 | } |
10729 | // OpenMP 5.0, 2.17.7 atomic Construct, Restrictions |
10730 | // If atomic-clause is read then memory-order-clause must not be acq_rel or |
10731 | // release. |
10732 | // If atomic-clause is write then memory-order-clause must not be acq_rel or |
10733 | // acquire. |
10734 | // If atomic-clause is update or not present then memory-order-clause must not |
10735 | // be acq_rel or acquire. |
10736 | if ((AtomicKind == OMPC_read && |
10737 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_release)) || |
10738 | ((AtomicKind == OMPC_write || AtomicKind == OMPC_update || |
10739 | AtomicKind == OMPC_unknown) && |
10740 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_acquire))) { |
10741 | SourceLocation Loc = AtomicKindLoc; |
10742 | if (AtomicKind == OMPC_unknown) |
10743 | Loc = StartLoc; |
10744 | Diag(Loc, diag::err_omp_atomic_incompatible_mem_order_clause) |
10745 | << getOpenMPClauseName(AtomicKind) |
10746 | << (AtomicKind == OMPC_unknown ? 1 : 0) |
10747 | << getOpenMPClauseName(MemOrderKind); |
10748 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) |
10749 | << getOpenMPClauseName(MemOrderKind); |
10750 | } |
10751 | |
10752 | Stmt *Body = AStmt; |
10753 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) |
10754 | Body = EWC->getSubExpr(); |
10755 | |
10756 | Expr *X = nullptr; |
10757 | Expr *V = nullptr; |
10758 | Expr *E = nullptr; |
10759 | Expr *UE = nullptr; |
10760 | bool IsXLHSInRHSPart = false; |
10761 | bool IsPostfixUpdate = false; |
10762 | // OpenMP [2.12.6, atomic Construct] |
10763 | // In the next expressions: |
10764 | // * x and v (as applicable) are both l-value expressions with scalar type. |
10765 | // * During the execution of an atomic region, multiple syntactic |
10766 | // occurrences of x must designate the same storage location. |
10767 | // * Neither of v and expr (as applicable) may access the storage location |
10768 | // designated by x. |
10769 | // * Neither of x and expr (as applicable) may access the storage location |
10770 | // designated by v. |
10771 | // * expr is an expression with scalar type. |
10772 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. |
10773 | // * binop, binop=, ++, and -- are not overloaded operators. |
10774 | // * The expression x binop expr must be numerically equivalent to x binop |
10775 | // (expr). This requirement is satisfied if the operators in expr have |
10776 | // precedence greater than binop, or by using parentheses around expr or |
10777 | // subexpressions of expr. |
10778 | // * The expression expr binop x must be numerically equivalent to (expr) |
10779 | // binop x. This requirement is satisfied if the operators in expr have |
10780 | // precedence equal to or greater than binop, or by using parentheses around |
10781 | // expr or subexpressions of expr. |
10782 | // * For forms that allow multiple occurrences of x, the number of times |
10783 | // that x is evaluated is unspecified. |
10784 | if (AtomicKind == OMPC_read) { |
10785 | enum { |
10786 | NotAnExpression, |
10787 | NotAnAssignmentOp, |
10788 | NotAScalarType, |
10789 | NotAnLValue, |
10790 | NoError |
10791 | } ErrorFound = NoError; |
10792 | SourceLocation ErrorLoc, NoteLoc; |
10793 | SourceRange ErrorRange, NoteRange; |
10794 | // If clause is read: |
10795 | // v = x; |
10796 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
10797 | const auto *AtomicBinOp = |
10798 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
10799 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
10800 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); |
10801 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); |
10802 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && |
10803 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { |
10804 | if (!X->isLValue() || !V->isLValue()) { |
10805 | const Expr *NotLValueExpr = X->isLValue() ? V : X; |
10806 | ErrorFound = NotAnLValue; |
10807 | ErrorLoc = AtomicBinOp->getExprLoc(); |
10808 | ErrorRange = AtomicBinOp->getSourceRange(); |
10809 | NoteLoc = NotLValueExpr->getExprLoc(); |
10810 | NoteRange = NotLValueExpr->getSourceRange(); |
10811 | } |
10812 | } else if (!X->isInstantiationDependent() || |
10813 | !V->isInstantiationDependent()) { |
10814 | const Expr *NotScalarExpr = |
10815 | (X->isInstantiationDependent() || X->getType()->isScalarType()) |
10816 | ? V |
10817 | : X; |
10818 | ErrorFound = NotAScalarType; |
10819 | ErrorLoc = AtomicBinOp->getExprLoc(); |
10820 | ErrorRange = AtomicBinOp->getSourceRange(); |
10821 | NoteLoc = NotScalarExpr->getExprLoc(); |
10822 | NoteRange = NotScalarExpr->getSourceRange(); |
10823 | } |
10824 | } else if (!AtomicBody->isInstantiationDependent()) { |
10825 | ErrorFound = NotAnAssignmentOp; |
10826 | ErrorLoc = AtomicBody->getExprLoc(); |
10827 | ErrorRange = AtomicBody->getSourceRange(); |
10828 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
10829 | : AtomicBody->getExprLoc(); |
10830 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
10831 | : AtomicBody->getSourceRange(); |
10832 | } |
10833 | } else { |
10834 | ErrorFound = NotAnExpression; |
10835 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
10836 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
10837 | } |
10838 | if (ErrorFound != NoError) { |
10839 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) |
10840 | << ErrorRange; |
10841 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound |
10842 | << NoteRange; |
10843 | return StmtError(); |
10844 | } |
10845 | if (CurContext->isDependentContext()) |
10846 | V = X = nullptr; |
10847 | } else if (AtomicKind == OMPC_write) { |
10848 | enum { |
10849 | NotAnExpression, |
10850 | NotAnAssignmentOp, |
10851 | NotAScalarType, |
10852 | NotAnLValue, |
10853 | NoError |
10854 | } ErrorFound = NoError; |
10855 | SourceLocation ErrorLoc, NoteLoc; |
10856 | SourceRange ErrorRange, NoteRange; |
10857 | // If clause is write: |
10858 | // x = expr; |
10859 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
10860 | const auto *AtomicBinOp = |
10861 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
10862 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
10863 | X = AtomicBinOp->getLHS(); |
10864 | E = AtomicBinOp->getRHS(); |
10865 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && |
10866 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { |
10867 | if (!X->isLValue()) { |
10868 | ErrorFound = NotAnLValue; |
10869 | ErrorLoc = AtomicBinOp->getExprLoc(); |
10870 | ErrorRange = AtomicBinOp->getSourceRange(); |
10871 | NoteLoc = X->getExprLoc(); |
10872 | NoteRange = X->getSourceRange(); |
10873 | } |
10874 | } else if (!X->isInstantiationDependent() || |
10875 | !E->isInstantiationDependent()) { |
10876 | const Expr *NotScalarExpr = |
10877 | (X->isInstantiationDependent() || X->getType()->isScalarType()) |
10878 | ? E |
10879 | : X; |
10880 | ErrorFound = NotAScalarType; |
10881 | ErrorLoc = AtomicBinOp->getExprLoc(); |
10882 | ErrorRange = AtomicBinOp->getSourceRange(); |
10883 | NoteLoc = NotScalarExpr->getExprLoc(); |
10884 | NoteRange = NotScalarExpr->getSourceRange(); |
10885 | } |
10886 | } else if (!AtomicBody->isInstantiationDependent()) { |
10887 | ErrorFound = NotAnAssignmentOp; |
10888 | ErrorLoc = AtomicBody->getExprLoc(); |
10889 | ErrorRange = AtomicBody->getSourceRange(); |
10890 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
10891 | : AtomicBody->getExprLoc(); |
10892 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
10893 | : AtomicBody->getSourceRange(); |
10894 | } |
10895 | } else { |
10896 | ErrorFound = NotAnExpression; |
10897 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
10898 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); |
10899 | } |
10900 | if (ErrorFound != NoError) { |
10901 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) |
10902 | << ErrorRange; |
10903 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound |
10904 | << NoteRange; |
10905 | return StmtError(); |
10906 | } |
10907 | if (CurContext->isDependentContext()) |
10908 | E = X = nullptr; |
10909 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { |
10910 | // If clause is update: |
10911 | // x++; |
10912 | // x--; |
10913 | // ++x; |
10914 | // --x; |
10915 | // x binop= expr; |
10916 | // x = x binop expr; |
10917 | // x = expr binop x; |
10918 | OpenMPAtomicUpdateChecker Checker(*this); |
10919 | if (Checker.checkStatement( |
10920 | Body, (AtomicKind == OMPC_update) |
10921 | ? diag::err_omp_atomic_update_not_expression_statement |
10922 | : diag::err_omp_atomic_not_expression_statement, |
10923 | diag::note_omp_atomic_update)) |
10924 | return StmtError(); |
10925 | if (!CurContext->isDependentContext()) { |
10926 | E = Checker.getExpr(); |
10927 | X = Checker.getX(); |
10928 | UE = Checker.getUpdateExpr(); |
10929 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
10930 | } |
10931 | } else if (AtomicKind == OMPC_capture) { |
10932 | enum { |
10933 | NotAnAssignmentOp, |
10934 | NotACompoundStatement, |
10935 | NotTwoSubstatements, |
10936 | NotASpecificExpression, |
10937 | NoError |
10938 | } ErrorFound = NoError; |
10939 | SourceLocation ErrorLoc, NoteLoc; |
10940 | SourceRange ErrorRange, NoteRange; |
10941 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { |
10942 | // If clause is a capture: |
10943 | // v = x++; |
10944 | // v = x--; |
10945 | // v = ++x; |
10946 | // v = --x; |
10947 | // v = x binop= expr; |
10948 | // v = x = x binop expr; |
10949 | // v = x = expr binop x; |
10950 | const auto *AtomicBinOp = |
10951 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); |
10952 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { |
10953 | V = AtomicBinOp->getLHS(); |
10954 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); |
10955 | OpenMPAtomicUpdateChecker Checker(*this); |
10956 | if (Checker.checkStatement( |
10957 | Body, diag::err_omp_atomic_capture_not_expression_statement, |
10958 | diag::note_omp_atomic_update)) |
10959 | return StmtError(); |
10960 | E = Checker.getExpr(); |
10961 | X = Checker.getX(); |
10962 | UE = Checker.getUpdateExpr(); |
10963 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
10964 | IsPostfixUpdate = Checker.isPostfixUpdate(); |
10965 | } else if (!AtomicBody->isInstantiationDependent()) { |
10966 | ErrorLoc = AtomicBody->getExprLoc(); |
10967 | ErrorRange = AtomicBody->getSourceRange(); |
10968 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() |
10969 | : AtomicBody->getExprLoc(); |
10970 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() |
10971 | : AtomicBody->getSourceRange(); |
10972 | ErrorFound = NotAnAssignmentOp; |
10973 | } |
10974 | if (ErrorFound != NoError) { |
10975 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) |
10976 | << ErrorRange; |
10977 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; |
10978 | return StmtError(); |
10979 | } |
10980 | if (CurContext->isDependentContext()) |
10981 | UE = V = E = X = nullptr; |
10982 | } else { |
10983 | // If clause is a capture: |
10984 | // { v = x; x = expr; } |
10985 | // { v = x; x++; } |
10986 | // { v = x; x--; } |
10987 | // { v = x; ++x; } |
10988 | // { v = x; --x; } |
10989 | // { v = x; x binop= expr; } |
10990 | // { v = x; x = x binop expr; } |
10991 | // { v = x; x = expr binop x; } |
10992 | // { x++; v = x; } |
10993 | // { x--; v = x; } |
10994 | // { ++x; v = x; } |
10995 | // { --x; v = x; } |
10996 | // { x binop= expr; v = x; } |
10997 | // { x = x binop expr; v = x; } |
10998 | // { x = expr binop x; v = x; } |
10999 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { |
11000 | // Check that this is { expr1; expr2; } |
11001 | if (CS->size() == 2) { |
11002 | Stmt *First = CS->body_front(); |
11003 | Stmt *Second = CS->body_back(); |
11004 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) |
11005 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); |
11006 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) |
11007 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); |
11008 | // Need to find what subexpression is 'v' and what is 'x'. |
11009 | OpenMPAtomicUpdateChecker Checker(*this); |
11010 | bool IsUpdateExprFound = !Checker.checkStatement(Second); |
11011 | BinaryOperator *BinOp = nullptr; |
11012 | if (IsUpdateExprFound) { |
11013 | BinOp = dyn_cast<BinaryOperator>(First); |
11014 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; |
11015 | } |
11016 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { |
11017 | // { v = x; x++; } |
11018 | // { v = x; x--; } |
11019 | // { v = x; ++x; } |
11020 | // { v = x; --x; } |
11021 | // { v = x; x binop= expr; } |
11022 | // { v = x; x = x binop expr; } |
11023 | // { v = x; x = expr binop x; } |
11024 | // Check that the first expression has form v = x. |
11025 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); |
11026 | llvm::FoldingSetNodeID XId, PossibleXId; |
11027 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); |
11028 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); |
11029 | IsUpdateExprFound = XId == PossibleXId; |
11030 | if (IsUpdateExprFound) { |
11031 | V = BinOp->getLHS(); |
11032 | X = Checker.getX(); |
11033 | E = Checker.getExpr(); |
11034 | UE = Checker.getUpdateExpr(); |
11035 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
11036 | IsPostfixUpdate = true; |
11037 | } |
11038 | } |
11039 | if (!IsUpdateExprFound) { |
11040 | IsUpdateExprFound = !Checker.checkStatement(First); |
11041 | BinOp = nullptr; |
11042 | if (IsUpdateExprFound) { |
11043 | BinOp = dyn_cast<BinaryOperator>(Second); |
11044 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; |
11045 | } |
11046 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { |
11047 | // { x++; v = x; } |
11048 | // { x--; v = x; } |
11049 | // { ++x; v = x; } |
11050 | // { --x; v = x; } |
11051 | // { x binop= expr; v = x; } |
11052 | // { x = x binop expr; v = x; } |
11053 | // { x = expr binop x; v = x; } |
11054 | // Check that the second expression has form v = x. |
11055 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); |
11056 | llvm::FoldingSetNodeID XId, PossibleXId; |
11057 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); |
11058 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); |
11059 | IsUpdateExprFound = XId == PossibleXId; |
11060 | if (IsUpdateExprFound) { |
11061 | V = BinOp->getLHS(); |
11062 | X = Checker.getX(); |
11063 | E = Checker.getExpr(); |
11064 | UE = Checker.getUpdateExpr(); |
11065 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); |
11066 | IsPostfixUpdate = false; |
11067 | } |
11068 | } |
11069 | } |
11070 | if (!IsUpdateExprFound) { |
11071 | // { v = x; x = expr; } |
11072 | auto *FirstExpr = dyn_cast<Expr>(First); |
11073 | auto *SecondExpr = dyn_cast<Expr>(Second); |
11074 | if (!FirstExpr || !SecondExpr || |
11075 | !(FirstExpr->isInstantiationDependent() || |
11076 | SecondExpr->isInstantiationDependent())) { |
11077 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); |
11078 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { |
11079 | ErrorFound = NotAnAssignmentOp; |
11080 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() |
11081 | : First->getBeginLoc(); |
11082 | NoteRange = ErrorRange = FirstBinOp |
11083 | ? FirstBinOp->getSourceRange() |
11084 | : SourceRange(ErrorLoc, ErrorLoc); |
11085 | } else { |
11086 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); |
11087 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { |
11088 | ErrorFound = NotAnAssignmentOp; |
11089 | NoteLoc = ErrorLoc = SecondBinOp |
11090 | ? SecondBinOp->getOperatorLoc() |
11091 | : Second->getBeginLoc(); |
11092 | NoteRange = ErrorRange = |
11093 | SecondBinOp ? SecondBinOp->getSourceRange() |
11094 | : SourceRange(ErrorLoc, ErrorLoc); |
11095 | } else { |
11096 | Expr *PossibleXRHSInFirst = |
11097 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); |
11098 | Expr *PossibleXLHSInSecond = |
11099 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); |
11100 | llvm::FoldingSetNodeID X1Id, X2Id; |
11101 | PossibleXRHSInFirst->Profile(X1Id, Context, |
11102 | /*Canonical=*/true); |
11103 | PossibleXLHSInSecond->Profile(X2Id, Context, |
11104 | /*Canonical=*/true); |
11105 | IsUpdateExprFound = X1Id == X2Id; |
11106 | if (IsUpdateExprFound) { |
11107 | V = FirstBinOp->getLHS(); |
11108 | X = SecondBinOp->getLHS(); |
11109 | E = SecondBinOp->getRHS(); |
11110 | UE = nullptr; |
11111 | IsXLHSInRHSPart = false; |
11112 | IsPostfixUpdate = true; |
11113 | } else { |
11114 | ErrorFound = NotASpecificExpression; |
11115 | ErrorLoc = FirstBinOp->getExprLoc(); |
11116 | ErrorRange = FirstBinOp->getSourceRange(); |
11117 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); |
11118 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); |
11119 | } |
11120 | } |
11121 | } |
11122 | } |
11123 | } |
11124 | } else { |
11125 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
11126 | NoteRange = ErrorRange = |
11127 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); |
11128 | ErrorFound = NotTwoSubstatements; |
11129 | } |
11130 | } else { |
11131 | NoteLoc = ErrorLoc = Body->getBeginLoc(); |
11132 | NoteRange = ErrorRange = |
11133 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); |
11134 | ErrorFound = NotACompoundStatement; |
11135 | } |
11136 | if (ErrorFound != NoError) { |
11137 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) |
11138 | << ErrorRange; |
11139 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; |
11140 | return StmtError(); |
11141 | } |
11142 | if (CurContext->isDependentContext()) |
11143 | UE = V = E = X = nullptr; |
11144 | } |
11145 | } |
11146 | |
11147 | setFunctionHasBranchProtectedScope(); |
11148 | |
11149 | return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
11150 | X, V, E, UE, IsXLHSInRHSPart, |
11151 | IsPostfixUpdate); |
11152 | } |
11153 | |
11154 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, |
11155 | Stmt *AStmt, |
11156 | SourceLocation StartLoc, |
11157 | SourceLocation EndLoc) { |
11158 | if (!AStmt) |
11159 | return StmtError(); |
11160 | |
11161 | auto *CS = cast<CapturedStmt>(AStmt); |
11162 | // 1.2.2 OpenMP Language Terminology |
11163 | // Structured block - An executable statement with a single entry at the |
11164 | // top and a single exit at the bottom. |
11165 | // The point of exit cannot be a branch out of the structured block. |
11166 | // longjmp() and throw() must not violate the entry/exit criteria. |
11167 | CS->getCapturedDecl()->setNothrow(); |
11168 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); |
11169 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11170 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11171 | // 1.2.2 OpenMP Language Terminology |
11172 | // Structured block - An executable statement with a single entry at the |
11173 | // top and a single exit at the bottom. |
11174 | // The point of exit cannot be a branch out of the structured block. |
11175 | // longjmp() and throw() must not violate the entry/exit criteria. |
11176 | CS->getCapturedDecl()->setNothrow(); |
11177 | } |
11178 | |
11179 | // OpenMP [2.16, Nesting of Regions] |
11180 | // If specified, a teams construct must be contained within a target |
11181 | // construct. That target construct must contain no statements or directives |
11182 | // outside of the teams construct. |
11183 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { |
11184 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); |
11185 | bool OMPTeamsFound = true; |
11186 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { |
11187 | auto I = CS->body_begin(); |
11188 | while (I != CS->body_end()) { |
11189 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); |
11190 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || |
11191 | OMPTeamsFound) { |
11192 | |
11193 | OMPTeamsFound = false; |
11194 | break; |
11195 | } |
11196 | ++I; |
11197 | } |
11198 | assert(I != CS->body_end() && "Not found statement")(static_cast<void> (0)); |
11199 | S = *I; |
11200 | } else { |
11201 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); |
11202 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); |
11203 | } |
11204 | if (!OMPTeamsFound) { |
11205 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); |
11206 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), |
11207 | diag::note_omp_nested_teams_construct_here); |
11208 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) |
11209 | << isa<OMPExecutableDirective>(S); |
11210 | return StmtError(); |
11211 | } |
11212 | } |
11213 | |
11214 | setFunctionHasBranchProtectedScope(); |
11215 | |
11216 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
11217 | } |
11218 | |
11219 | StmtResult |
11220 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, |
11221 | Stmt *AStmt, SourceLocation StartLoc, |
11222 | SourceLocation EndLoc) { |
11223 | if (!AStmt) |
11224 | return StmtError(); |
11225 | |
11226 | auto *CS = cast<CapturedStmt>(AStmt); |
11227 | // 1.2.2 OpenMP Language Terminology |
11228 | // Structured block - An executable statement with a single entry at the |
11229 | // top and a single exit at the bottom. |
11230 | // The point of exit cannot be a branch out of the structured block. |
11231 | // longjmp() and throw() must not violate the entry/exit criteria. |
11232 | CS->getCapturedDecl()->setNothrow(); |
11233 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); |
11234 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11235 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11236 | // 1.2.2 OpenMP Language Terminology |
11237 | // Structured block - An executable statement with a single entry at the |
11238 | // top and a single exit at the bottom. |
11239 | // The point of exit cannot be a branch out of the structured block. |
11240 | // longjmp() and throw() must not violate the entry/exit criteria. |
11241 | CS->getCapturedDecl()->setNothrow(); |
11242 | } |
11243 | |
11244 | setFunctionHasBranchProtectedScope(); |
11245 | |
11246 | return OMPTargetParallelDirective::Create( |
11247 | Context, StartLoc, EndLoc, Clauses, AStmt, |
11248 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11249 | } |
11250 | |
11251 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( |
11252 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11253 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11254 | if (!AStmt) |
11255 | return StmtError(); |
11256 | |
11257 | auto *CS = cast<CapturedStmt>(AStmt); |
11258 | // 1.2.2 OpenMP Language Terminology |
11259 | // Structured block - An executable statement with a single entry at the |
11260 | // top and a single exit at the bottom. |
11261 | // The point of exit cannot be a branch out of the structured block. |
11262 | // longjmp() and throw() must not violate the entry/exit criteria. |
11263 | CS->getCapturedDecl()->setNothrow(); |
11264 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); |
11265 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11266 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11267 | // 1.2.2 OpenMP Language Terminology |
11268 | // Structured block - An executable statement with a single entry at the |
11269 | // top and a single exit at the bottom. |
11270 | // The point of exit cannot be a branch out of the structured block. |
11271 | // longjmp() and throw() must not violate the entry/exit criteria. |
11272 | CS->getCapturedDecl()->setNothrow(); |
11273 | } |
11274 | |
11275 | OMPLoopBasedDirective::HelperExprs B; |
11276 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
11277 | // define the nested loops number. |
11278 | unsigned NestedLoopCount = |
11279 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), |
11280 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11281 | VarsWithImplicitDSA, B); |
11282 | if (NestedLoopCount == 0) |
11283 | return StmtError(); |
11284 | |
11285 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11286 | "omp target parallel for loop exprs were not built")(static_cast<void> (0)); |
11287 | |
11288 | if (!CurContext->isDependentContext()) { |
11289 | // Finalize the clauses that need pre-built expressions for CodeGen. |
11290 | for (OMPClause *C : Clauses) { |
11291 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
11292 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
11293 | B.NumIterations, *this, CurScope, |
11294 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
11295 | return StmtError(); |
11296 | } |
11297 | } |
11298 | |
11299 | setFunctionHasBranchProtectedScope(); |
11300 | return OMPTargetParallelForDirective::Create( |
11301 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
11302 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11303 | } |
11304 | |
11305 | /// Check for existence of a map clause in the list of clauses. |
11306 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, |
11307 | const OpenMPClauseKind K) { |
11308 | return llvm::any_of( |
11309 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); |
11310 | } |
11311 | |
11312 | template <typename... Params> |
11313 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, |
11314 | const Params... ClauseTypes) { |
11315 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); |
11316 | } |
11317 | |
11318 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, |
11319 | Stmt *AStmt, |
11320 | SourceLocation StartLoc, |
11321 | SourceLocation EndLoc) { |
11322 | if (!AStmt) |
11323 | return StmtError(); |
11324 | |
11325 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11326 | |
11327 | // OpenMP [2.12.2, target data Construct, Restrictions] |
11328 | // At least one map, use_device_addr or use_device_ptr clause must appear on |
11329 | // the directive. |
11330 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr) && |
11331 | (LangOpts.OpenMP < 50 || !hasClauses(Clauses, OMPC_use_device_addr))) { |
11332 | StringRef Expected; |
11333 | if (LangOpts.OpenMP < 50) |
11334 | Expected = "'map' or 'use_device_ptr'"; |
11335 | else |
11336 | Expected = "'map', 'use_device_ptr', or 'use_device_addr'"; |
11337 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
11338 | << Expected << getOpenMPDirectiveName(OMPD_target_data); |
11339 | return StmtError(); |
11340 | } |
11341 | |
11342 | setFunctionHasBranchProtectedScope(); |
11343 | |
11344 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
11345 | AStmt); |
11346 | } |
11347 | |
11348 | StmtResult |
11349 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, |
11350 | SourceLocation StartLoc, |
11351 | SourceLocation EndLoc, Stmt *AStmt) { |
11352 | if (!AStmt) |
11353 | return StmtError(); |
11354 | |
11355 | auto *CS = cast<CapturedStmt>(AStmt); |
11356 | // 1.2.2 OpenMP Language Terminology |
11357 | // Structured block - An executable statement with a single entry at the |
11358 | // top and a single exit at the bottom. |
11359 | // The point of exit cannot be a branch out of the structured block. |
11360 | // longjmp() and throw() must not violate the entry/exit criteria. |
11361 | CS->getCapturedDecl()->setNothrow(); |
11362 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); |
11363 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11364 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11365 | // 1.2.2 OpenMP Language Terminology |
11366 | // Structured block - An executable statement with a single entry at the |
11367 | // top and a single exit at the bottom. |
11368 | // The point of exit cannot be a branch out of the structured block. |
11369 | // longjmp() and throw() must not violate the entry/exit criteria. |
11370 | CS->getCapturedDecl()->setNothrow(); |
11371 | } |
11372 | |
11373 | // OpenMP [2.10.2, Restrictions, p. 99] |
11374 | // At least one map clause must appear on the directive. |
11375 | if (!hasClauses(Clauses, OMPC_map)) { |
11376 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
11377 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); |
11378 | return StmtError(); |
11379 | } |
11380 | |
11381 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
11382 | AStmt); |
11383 | } |
11384 | |
11385 | StmtResult |
11386 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, |
11387 | SourceLocation StartLoc, |
11388 | SourceLocation EndLoc, Stmt *AStmt) { |
11389 | if (!AStmt) |
11390 | return StmtError(); |
11391 | |
11392 | auto *CS = cast<CapturedStmt>(AStmt); |
11393 | // 1.2.2 OpenMP Language Terminology |
11394 | // Structured block - An executable statement with a single entry at the |
11395 | // top and a single exit at the bottom. |
11396 | // The point of exit cannot be a branch out of the structured block. |
11397 | // longjmp() and throw() must not violate the entry/exit criteria. |
11398 | CS->getCapturedDecl()->setNothrow(); |
11399 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); |
11400 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11401 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11402 | // 1.2.2 OpenMP Language Terminology |
11403 | // Structured block - An executable statement with a single entry at the |
11404 | // top and a single exit at the bottom. |
11405 | // The point of exit cannot be a branch out of the structured block. |
11406 | // longjmp() and throw() must not violate the entry/exit criteria. |
11407 | CS->getCapturedDecl()->setNothrow(); |
11408 | } |
11409 | |
11410 | // OpenMP [2.10.3, Restrictions, p. 102] |
11411 | // At least one map clause must appear on the directive. |
11412 | if (!hasClauses(Clauses, OMPC_map)) { |
11413 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
11414 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); |
11415 | return StmtError(); |
11416 | } |
11417 | |
11418 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, |
11419 | AStmt); |
11420 | } |
11421 | |
11422 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, |
11423 | SourceLocation StartLoc, |
11424 | SourceLocation EndLoc, |
11425 | Stmt *AStmt) { |
11426 | if (!AStmt) |
11427 | return StmtError(); |
11428 | |
11429 | auto *CS = cast<CapturedStmt>(AStmt); |
11430 | // 1.2.2 OpenMP Language Terminology |
11431 | // Structured block - An executable statement with a single entry at the |
11432 | // top and a single exit at the bottom. |
11433 | // The point of exit cannot be a branch out of the structured block. |
11434 | // longjmp() and throw() must not violate the entry/exit criteria. |
11435 | CS->getCapturedDecl()->setNothrow(); |
11436 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); |
11437 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11438 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11439 | // 1.2.2 OpenMP Language Terminology |
11440 | // Structured block - An executable statement with a single entry at the |
11441 | // top and a single exit at the bottom. |
11442 | // The point of exit cannot be a branch out of the structured block. |
11443 | // longjmp() and throw() must not violate the entry/exit criteria. |
11444 | CS->getCapturedDecl()->setNothrow(); |
11445 | } |
11446 | |
11447 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { |
11448 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); |
11449 | return StmtError(); |
11450 | } |
11451 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, |
11452 | AStmt); |
11453 | } |
11454 | |
11455 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, |
11456 | Stmt *AStmt, SourceLocation StartLoc, |
11457 | SourceLocation EndLoc) { |
11458 | if (!AStmt) |
11459 | return StmtError(); |
11460 | |
11461 | auto *CS = cast<CapturedStmt>(AStmt); |
11462 | // 1.2.2 OpenMP Language Terminology |
11463 | // Structured block - An executable statement with a single entry at the |
11464 | // top and a single exit at the bottom. |
11465 | // The point of exit cannot be a branch out of the structured block. |
11466 | // longjmp() and throw() must not violate the entry/exit criteria. |
11467 | CS->getCapturedDecl()->setNothrow(); |
11468 | |
11469 | setFunctionHasBranchProtectedScope(); |
11470 | |
11471 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
11472 | |
11473 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); |
11474 | } |
11475 | |
11476 | StmtResult |
11477 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, |
11478 | SourceLocation EndLoc, |
11479 | OpenMPDirectiveKind CancelRegion) { |
11480 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { |
11481 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; |
11482 | return StmtError(); |
11483 | } |
11484 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { |
11485 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; |
11486 | return StmtError(); |
11487 | } |
11488 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, |
11489 | CancelRegion); |
11490 | } |
11491 | |
11492 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, |
11493 | SourceLocation StartLoc, |
11494 | SourceLocation EndLoc, |
11495 | OpenMPDirectiveKind CancelRegion) { |
11496 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { |
11497 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; |
11498 | return StmtError(); |
11499 | } |
11500 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { |
11501 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; |
11502 | return StmtError(); |
11503 | } |
11504 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); |
11505 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, |
11506 | CancelRegion); |
11507 | } |
11508 | |
11509 | static bool checkReductionClauseWithNogroup(Sema &S, |
11510 | ArrayRef<OMPClause *> Clauses) { |
11511 | const OMPClause *ReductionClause = nullptr; |
11512 | const OMPClause *NogroupClause = nullptr; |
11513 | for (const OMPClause *C : Clauses) { |
11514 | if (C->getClauseKind() == OMPC_reduction) { |
11515 | ReductionClause = C; |
11516 | if (NogroupClause) |
11517 | break; |
11518 | continue; |
11519 | } |
11520 | if (C->getClauseKind() == OMPC_nogroup) { |
11521 | NogroupClause = C; |
11522 | if (ReductionClause) |
11523 | break; |
11524 | continue; |
11525 | } |
11526 | } |
11527 | if (ReductionClause && NogroupClause) { |
11528 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) |
11529 | << SourceRange(NogroupClause->getBeginLoc(), |
11530 | NogroupClause->getEndLoc()); |
11531 | return true; |
11532 | } |
11533 | return false; |
11534 | } |
11535 | |
11536 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( |
11537 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11538 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11539 | if (!AStmt) |
11540 | return StmtError(); |
11541 | |
11542 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11543 | OMPLoopBasedDirective::HelperExprs B; |
11544 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
11545 | // define the nested loops number. |
11546 | unsigned NestedLoopCount = |
11547 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), |
11548 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11549 | VarsWithImplicitDSA, B); |
11550 | if (NestedLoopCount == 0) |
11551 | return StmtError(); |
11552 | |
11553 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11554 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11555 | |
11556 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11557 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
11558 | // not appear on the same taskloop directive. |
11559 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
11560 | {OMPC_grainsize, OMPC_num_tasks})) |
11561 | return StmtError(); |
11562 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11563 | // If a reduction clause is present on the taskloop directive, the nogroup |
11564 | // clause must not be specified. |
11565 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
11566 | return StmtError(); |
11567 | |
11568 | setFunctionHasBranchProtectedScope(); |
11569 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, |
11570 | NestedLoopCount, Clauses, AStmt, B, |
11571 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11572 | } |
11573 | |
11574 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( |
11575 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11576 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11577 | if (!AStmt) |
11578 | return StmtError(); |
11579 | |
11580 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11581 | OMPLoopBasedDirective::HelperExprs B; |
11582 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
11583 | // define the nested loops number. |
11584 | unsigned NestedLoopCount = |
11585 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), |
11586 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11587 | VarsWithImplicitDSA, B); |
11588 | if (NestedLoopCount == 0) |
11589 | return StmtError(); |
11590 | |
11591 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11592 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11593 | |
11594 | if (!CurContext->isDependentContext()) { |
11595 | // Finalize the clauses that need pre-built expressions for CodeGen. |
11596 | for (OMPClause *C : Clauses) { |
11597 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
11598 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
11599 | B.NumIterations, *this, CurScope, |
11600 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
11601 | return StmtError(); |
11602 | } |
11603 | } |
11604 | |
11605 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11606 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
11607 | // not appear on the same taskloop directive. |
11608 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
11609 | {OMPC_grainsize, OMPC_num_tasks})) |
11610 | return StmtError(); |
11611 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11612 | // If a reduction clause is present on the taskloop directive, the nogroup |
11613 | // clause must not be specified. |
11614 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
11615 | return StmtError(); |
11616 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
11617 | return StmtError(); |
11618 | |
11619 | setFunctionHasBranchProtectedScope(); |
11620 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, |
11621 | NestedLoopCount, Clauses, AStmt, B); |
11622 | } |
11623 | |
11624 | StmtResult Sema::ActOnOpenMPMasterTaskLoopDirective( |
11625 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11626 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11627 | if (!AStmt) |
11628 | return StmtError(); |
11629 | |
11630 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11631 | OMPLoopBasedDirective::HelperExprs B; |
11632 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
11633 | // define the nested loops number. |
11634 | unsigned NestedLoopCount = |
11635 | checkOpenMPLoop(OMPD_master_taskloop, getCollapseNumberExpr(Clauses), |
11636 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11637 | VarsWithImplicitDSA, B); |
11638 | if (NestedLoopCount == 0) |
11639 | return StmtError(); |
11640 | |
11641 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11642 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11643 | |
11644 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11645 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
11646 | // not appear on the same taskloop directive. |
11647 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
11648 | {OMPC_grainsize, OMPC_num_tasks})) |
11649 | return StmtError(); |
11650 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11651 | // If a reduction clause is present on the taskloop directive, the nogroup |
11652 | // clause must not be specified. |
11653 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
11654 | return StmtError(); |
11655 | |
11656 | setFunctionHasBranchProtectedScope(); |
11657 | return OMPMasterTaskLoopDirective::Create(Context, StartLoc, EndLoc, |
11658 | NestedLoopCount, Clauses, AStmt, B, |
11659 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11660 | } |
11661 | |
11662 | StmtResult Sema::ActOnOpenMPMasterTaskLoopSimdDirective( |
11663 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11664 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11665 | if (!AStmt) |
11666 | return StmtError(); |
11667 | |
11668 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11669 | OMPLoopBasedDirective::HelperExprs B; |
11670 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
11671 | // define the nested loops number. |
11672 | unsigned NestedLoopCount = |
11673 | checkOpenMPLoop(OMPD_master_taskloop_simd, getCollapseNumberExpr(Clauses), |
11674 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11675 | VarsWithImplicitDSA, B); |
11676 | if (NestedLoopCount == 0) |
11677 | return StmtError(); |
11678 | |
11679 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11680 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11681 | |
11682 | if (!CurContext->isDependentContext()) { |
11683 | // Finalize the clauses that need pre-built expressions for CodeGen. |
11684 | for (OMPClause *C : Clauses) { |
11685 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
11686 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
11687 | B.NumIterations, *this, CurScope, |
11688 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
11689 | return StmtError(); |
11690 | } |
11691 | } |
11692 | |
11693 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11694 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
11695 | // not appear on the same taskloop directive. |
11696 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
11697 | {OMPC_grainsize, OMPC_num_tasks})) |
11698 | return StmtError(); |
11699 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11700 | // If a reduction clause is present on the taskloop directive, the nogroup |
11701 | // clause must not be specified. |
11702 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
11703 | return StmtError(); |
11704 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
11705 | return StmtError(); |
11706 | |
11707 | setFunctionHasBranchProtectedScope(); |
11708 | return OMPMasterTaskLoopSimdDirective::Create( |
11709 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
11710 | } |
11711 | |
11712 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopDirective( |
11713 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11714 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11715 | if (!AStmt) |
11716 | return StmtError(); |
11717 | |
11718 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11719 | auto *CS = cast<CapturedStmt>(AStmt); |
11720 | // 1.2.2 OpenMP Language Terminology |
11721 | // Structured block - An executable statement with a single entry at the |
11722 | // top and a single exit at the bottom. |
11723 | // The point of exit cannot be a branch out of the structured block. |
11724 | // longjmp() and throw() must not violate the entry/exit criteria. |
11725 | CS->getCapturedDecl()->setNothrow(); |
11726 | for (int ThisCaptureLevel = |
11727 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop); |
11728 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11729 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11730 | // 1.2.2 OpenMP Language Terminology |
11731 | // Structured block - An executable statement with a single entry at the |
11732 | // top and a single exit at the bottom. |
11733 | // The point of exit cannot be a branch out of the structured block. |
11734 | // longjmp() and throw() must not violate the entry/exit criteria. |
11735 | CS->getCapturedDecl()->setNothrow(); |
11736 | } |
11737 | |
11738 | OMPLoopBasedDirective::HelperExprs B; |
11739 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
11740 | // define the nested loops number. |
11741 | unsigned NestedLoopCount = checkOpenMPLoop( |
11742 | OMPD_parallel_master_taskloop, getCollapseNumberExpr(Clauses), |
11743 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11744 | VarsWithImplicitDSA, B); |
11745 | if (NestedLoopCount == 0) |
11746 | return StmtError(); |
11747 | |
11748 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11749 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11750 | |
11751 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11752 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
11753 | // not appear on the same taskloop directive. |
11754 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
11755 | {OMPC_grainsize, OMPC_num_tasks})) |
11756 | return StmtError(); |
11757 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11758 | // If a reduction clause is present on the taskloop directive, the nogroup |
11759 | // clause must not be specified. |
11760 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
11761 | return StmtError(); |
11762 | |
11763 | setFunctionHasBranchProtectedScope(); |
11764 | return OMPParallelMasterTaskLoopDirective::Create( |
11765 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
11766 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11767 | } |
11768 | |
11769 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopSimdDirective( |
11770 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11771 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11772 | if (!AStmt) |
11773 | return StmtError(); |
11774 | |
11775 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11776 | auto *CS = cast<CapturedStmt>(AStmt); |
11777 | // 1.2.2 OpenMP Language Terminology |
11778 | // Structured block - An executable statement with a single entry at the |
11779 | // top and a single exit at the bottom. |
11780 | // The point of exit cannot be a branch out of the structured block. |
11781 | // longjmp() and throw() must not violate the entry/exit criteria. |
11782 | CS->getCapturedDecl()->setNothrow(); |
11783 | for (int ThisCaptureLevel = |
11784 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop_simd); |
11785 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11786 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11787 | // 1.2.2 OpenMP Language Terminology |
11788 | // Structured block - An executable statement with a single entry at the |
11789 | // top and a single exit at the bottom. |
11790 | // The point of exit cannot be a branch out of the structured block. |
11791 | // longjmp() and throw() must not violate the entry/exit criteria. |
11792 | CS->getCapturedDecl()->setNothrow(); |
11793 | } |
11794 | |
11795 | OMPLoopBasedDirective::HelperExprs B; |
11796 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
11797 | // define the nested loops number. |
11798 | unsigned NestedLoopCount = checkOpenMPLoop( |
11799 | OMPD_parallel_master_taskloop_simd, getCollapseNumberExpr(Clauses), |
11800 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11801 | VarsWithImplicitDSA, B); |
11802 | if (NestedLoopCount == 0) |
11803 | return StmtError(); |
11804 | |
11805 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11806 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11807 | |
11808 | if (!CurContext->isDependentContext()) { |
11809 | // Finalize the clauses that need pre-built expressions for CodeGen. |
11810 | for (OMPClause *C : Clauses) { |
11811 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
11812 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
11813 | B.NumIterations, *this, CurScope, |
11814 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
11815 | return StmtError(); |
11816 | } |
11817 | } |
11818 | |
11819 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11820 | // The grainsize clause and num_tasks clause are mutually exclusive and may |
11821 | // not appear on the same taskloop directive. |
11822 | if (checkMutuallyExclusiveClauses(*this, Clauses, |
11823 | {OMPC_grainsize, OMPC_num_tasks})) |
11824 | return StmtError(); |
11825 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] |
11826 | // If a reduction clause is present on the taskloop directive, the nogroup |
11827 | // clause must not be specified. |
11828 | if (checkReductionClauseWithNogroup(*this, Clauses)) |
11829 | return StmtError(); |
11830 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
11831 | return StmtError(); |
11832 | |
11833 | setFunctionHasBranchProtectedScope(); |
11834 | return OMPParallelMasterTaskLoopSimdDirective::Create( |
11835 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
11836 | } |
11837 | |
11838 | StmtResult Sema::ActOnOpenMPDistributeDirective( |
11839 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11840 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11841 | if (!AStmt) |
11842 | return StmtError(); |
11843 | |
11844 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast<void> (0)); |
11845 | OMPLoopBasedDirective::HelperExprs B; |
11846 | // In presence of clause 'collapse' with number of loops, it will |
11847 | // define the nested loops number. |
11848 | unsigned NestedLoopCount = |
11849 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), |
11850 | nullptr /*ordered not a clause on distribute*/, AStmt, |
11851 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
11852 | if (NestedLoopCount == 0) |
11853 | return StmtError(); |
11854 | |
11855 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11856 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11857 | |
11858 | setFunctionHasBranchProtectedScope(); |
11859 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, |
11860 | NestedLoopCount, Clauses, AStmt, B); |
11861 | } |
11862 | |
11863 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( |
11864 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11865 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11866 | if (!AStmt) |
11867 | return StmtError(); |
11868 | |
11869 | auto *CS = cast<CapturedStmt>(AStmt); |
11870 | // 1.2.2 OpenMP Language Terminology |
11871 | // Structured block - An executable statement with a single entry at the |
11872 | // top and a single exit at the bottom. |
11873 | // The point of exit cannot be a branch out of the structured block. |
11874 | // longjmp() and throw() must not violate the entry/exit criteria. |
11875 | CS->getCapturedDecl()->setNothrow(); |
11876 | for (int ThisCaptureLevel = |
11877 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); |
11878 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11879 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11880 | // 1.2.2 OpenMP Language Terminology |
11881 | // Structured block - An executable statement with a single entry at the |
11882 | // top and a single exit at the bottom. |
11883 | // The point of exit cannot be a branch out of the structured block. |
11884 | // longjmp() and throw() must not violate the entry/exit criteria. |
11885 | CS->getCapturedDecl()->setNothrow(); |
11886 | } |
11887 | |
11888 | OMPLoopBasedDirective::HelperExprs B; |
11889 | // In presence of clause 'collapse' with number of loops, it will |
11890 | // define the nested loops number. |
11891 | unsigned NestedLoopCount = checkOpenMPLoop( |
11892 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
11893 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11894 | VarsWithImplicitDSA, B); |
11895 | if (NestedLoopCount == 0) |
11896 | return StmtError(); |
11897 | |
11898 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11899 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11900 | |
11901 | setFunctionHasBranchProtectedScope(); |
11902 | return OMPDistributeParallelForDirective::Create( |
11903 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
11904 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
11905 | } |
11906 | |
11907 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( |
11908 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11909 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11910 | if (!AStmt) |
11911 | return StmtError(); |
11912 | |
11913 | auto *CS = cast<CapturedStmt>(AStmt); |
11914 | // 1.2.2 OpenMP Language Terminology |
11915 | // Structured block - An executable statement with a single entry at the |
11916 | // top and a single exit at the bottom. |
11917 | // The point of exit cannot be a branch out of the structured block. |
11918 | // longjmp() and throw() must not violate the entry/exit criteria. |
11919 | CS->getCapturedDecl()->setNothrow(); |
11920 | for (int ThisCaptureLevel = |
11921 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); |
11922 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11923 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11924 | // 1.2.2 OpenMP Language Terminology |
11925 | // Structured block - An executable statement with a single entry at the |
11926 | // top and a single exit at the bottom. |
11927 | // The point of exit cannot be a branch out of the structured block. |
11928 | // longjmp() and throw() must not violate the entry/exit criteria. |
11929 | CS->getCapturedDecl()->setNothrow(); |
11930 | } |
11931 | |
11932 | OMPLoopBasedDirective::HelperExprs B; |
11933 | // In presence of clause 'collapse' with number of loops, it will |
11934 | // define the nested loops number. |
11935 | unsigned NestedLoopCount = checkOpenMPLoop( |
11936 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), |
11937 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
11938 | VarsWithImplicitDSA, B); |
11939 | if (NestedLoopCount == 0) |
11940 | return StmtError(); |
11941 | |
11942 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11943 | "omp for loop exprs were not built")(static_cast<void> (0)); |
11944 | |
11945 | if (!CurContext->isDependentContext()) { |
11946 | // Finalize the clauses that need pre-built expressions for CodeGen. |
11947 | for (OMPClause *C : Clauses) { |
11948 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
11949 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
11950 | B.NumIterations, *this, CurScope, |
11951 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
11952 | return StmtError(); |
11953 | } |
11954 | } |
11955 | |
11956 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
11957 | return StmtError(); |
11958 | |
11959 | setFunctionHasBranchProtectedScope(); |
11960 | return OMPDistributeParallelForSimdDirective::Create( |
11961 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
11962 | } |
11963 | |
11964 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( |
11965 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
11966 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
11967 | if (!AStmt) |
11968 | return StmtError(); |
11969 | |
11970 | auto *CS = cast<CapturedStmt>(AStmt); |
11971 | // 1.2.2 OpenMP Language Terminology |
11972 | // Structured block - An executable statement with a single entry at the |
11973 | // top and a single exit at the bottom. |
11974 | // The point of exit cannot be a branch out of the structured block. |
11975 | // longjmp() and throw() must not violate the entry/exit criteria. |
11976 | CS->getCapturedDecl()->setNothrow(); |
11977 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); |
11978 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
11979 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
11980 | // 1.2.2 OpenMP Language Terminology |
11981 | // Structured block - An executable statement with a single entry at the |
11982 | // top and a single exit at the bottom. |
11983 | // The point of exit cannot be a branch out of the structured block. |
11984 | // longjmp() and throw() must not violate the entry/exit criteria. |
11985 | CS->getCapturedDecl()->setNothrow(); |
11986 | } |
11987 | |
11988 | OMPLoopBasedDirective::HelperExprs B; |
11989 | // In presence of clause 'collapse' with number of loops, it will |
11990 | // define the nested loops number. |
11991 | unsigned NestedLoopCount = |
11992 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), |
11993 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
11994 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
11995 | if (NestedLoopCount == 0) |
11996 | return StmtError(); |
11997 | |
11998 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
11999 | "omp for loop exprs were not built")(static_cast<void> (0)); |
12000 | |
12001 | if (!CurContext->isDependentContext()) { |
12002 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12003 | for (OMPClause *C : Clauses) { |
12004 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12005 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12006 | B.NumIterations, *this, CurScope, |
12007 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12008 | return StmtError(); |
12009 | } |
12010 | } |
12011 | |
12012 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
12013 | return StmtError(); |
12014 | |
12015 | setFunctionHasBranchProtectedScope(); |
12016 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, |
12017 | NestedLoopCount, Clauses, AStmt, B); |
12018 | } |
12019 | |
12020 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( |
12021 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12022 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12023 | if (!AStmt) |
12024 | return StmtError(); |
12025 | |
12026 | auto *CS = cast<CapturedStmt>(AStmt); |
12027 | // 1.2.2 OpenMP Language Terminology |
12028 | // Structured block - An executable statement with a single entry at the |
12029 | // top and a single exit at the bottom. |
12030 | // The point of exit cannot be a branch out of the structured block. |
12031 | // longjmp() and throw() must not violate the entry/exit criteria. |
12032 | CS->getCapturedDecl()->setNothrow(); |
12033 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); |
12034 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12035 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12036 | // 1.2.2 OpenMP Language Terminology |
12037 | // Structured block - An executable statement with a single entry at the |
12038 | // top and a single exit at the bottom. |
12039 | // The point of exit cannot be a branch out of the structured block. |
12040 | // longjmp() and throw() must not violate the entry/exit criteria. |
12041 | CS->getCapturedDecl()->setNothrow(); |
12042 | } |
12043 | |
12044 | OMPLoopBasedDirective::HelperExprs B; |
12045 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will |
12046 | // define the nested loops number. |
12047 | unsigned NestedLoopCount = checkOpenMPLoop( |
12048 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), |
12049 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12050 | VarsWithImplicitDSA, B); |
12051 | if (NestedLoopCount == 0) |
12052 | return StmtError(); |
12053 | |
12054 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12055 | "omp target parallel for simd loop exprs were not built")(static_cast<void> (0)); |
12056 | |
12057 | if (!CurContext->isDependentContext()) { |
12058 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12059 | for (OMPClause *C : Clauses) { |
12060 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12061 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12062 | B.NumIterations, *this, CurScope, |
12063 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12064 | return StmtError(); |
12065 | } |
12066 | } |
12067 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
12068 | return StmtError(); |
12069 | |
12070 | setFunctionHasBranchProtectedScope(); |
12071 | return OMPTargetParallelForSimdDirective::Create( |
12072 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
12073 | } |
12074 | |
12075 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( |
12076 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12077 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12078 | if (!AStmt) |
12079 | return StmtError(); |
12080 | |
12081 | auto *CS = cast<CapturedStmt>(AStmt); |
12082 | // 1.2.2 OpenMP Language Terminology |
12083 | // Structured block - An executable statement with a single entry at the |
12084 | // top and a single exit at the bottom. |
12085 | // The point of exit cannot be a branch out of the structured block. |
12086 | // longjmp() and throw() must not violate the entry/exit criteria. |
12087 | CS->getCapturedDecl()->setNothrow(); |
12088 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); |
12089 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12090 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12091 | // 1.2.2 OpenMP Language Terminology |
12092 | // Structured block - An executable statement with a single entry at the |
12093 | // top and a single exit at the bottom. |
12094 | // The point of exit cannot be a branch out of the structured block. |
12095 | // longjmp() and throw() must not violate the entry/exit criteria. |
12096 | CS->getCapturedDecl()->setNothrow(); |
12097 | } |
12098 | |
12099 | OMPLoopBasedDirective::HelperExprs B; |
12100 | // In presence of clause 'collapse' with number of loops, it will define the |
12101 | // nested loops number. |
12102 | unsigned NestedLoopCount = |
12103 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), |
12104 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12105 | VarsWithImplicitDSA, B); |
12106 | if (NestedLoopCount == 0) |
12107 | return StmtError(); |
12108 | |
12109 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12110 | "omp target simd loop exprs were not built")(static_cast<void> (0)); |
12111 | |
12112 | if (!CurContext->isDependentContext()) { |
12113 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12114 | for (OMPClause *C : Clauses) { |
12115 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12116 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12117 | B.NumIterations, *this, CurScope, |
12118 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12119 | return StmtError(); |
12120 | } |
12121 | } |
12122 | |
12123 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
12124 | return StmtError(); |
12125 | |
12126 | setFunctionHasBranchProtectedScope(); |
12127 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, |
12128 | NestedLoopCount, Clauses, AStmt, B); |
12129 | } |
12130 | |
12131 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( |
12132 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12133 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12134 | if (!AStmt) |
12135 | return StmtError(); |
12136 | |
12137 | auto *CS = cast<CapturedStmt>(AStmt); |
12138 | // 1.2.2 OpenMP Language Terminology |
12139 | // Structured block - An executable statement with a single entry at the |
12140 | // top and a single exit at the bottom. |
12141 | // The point of exit cannot be a branch out of the structured block. |
12142 | // longjmp() and throw() must not violate the entry/exit criteria. |
12143 | CS->getCapturedDecl()->setNothrow(); |
12144 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); |
12145 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12146 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12147 | // 1.2.2 OpenMP Language Terminology |
12148 | // Structured block - An executable statement with a single entry at the |
12149 | // top and a single exit at the bottom. |
12150 | // The point of exit cannot be a branch out of the structured block. |
12151 | // longjmp() and throw() must not violate the entry/exit criteria. |
12152 | CS->getCapturedDecl()->setNothrow(); |
12153 | } |
12154 | |
12155 | OMPLoopBasedDirective::HelperExprs B; |
12156 | // In presence of clause 'collapse' with number of loops, it will |
12157 | // define the nested loops number. |
12158 | unsigned NestedLoopCount = |
12159 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), |
12160 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
12161 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
12162 | if (NestedLoopCount == 0) |
12163 | return StmtError(); |
12164 | |
12165 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12166 | "omp teams distribute loop exprs were not built")(static_cast<void> (0)); |
12167 | |
12168 | setFunctionHasBranchProtectedScope(); |
12169 | |
12170 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
12171 | |
12172 | return OMPTeamsDistributeDirective::Create( |
12173 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
12174 | } |
12175 | |
12176 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( |
12177 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12178 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12179 | if (!AStmt) |
12180 | return StmtError(); |
12181 | |
12182 | auto *CS = cast<CapturedStmt>(AStmt); |
12183 | // 1.2.2 OpenMP Language Terminology |
12184 | // Structured block - An executable statement with a single entry at the |
12185 | // top and a single exit at the bottom. |
12186 | // The point of exit cannot be a branch out of the structured block. |
12187 | // longjmp() and throw() must not violate the entry/exit criteria. |
12188 | CS->getCapturedDecl()->setNothrow(); |
12189 | for (int ThisCaptureLevel = |
12190 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); |
12191 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12192 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12193 | // 1.2.2 OpenMP Language Terminology |
12194 | // Structured block - An executable statement with a single entry at the |
12195 | // top and a single exit at the bottom. |
12196 | // The point of exit cannot be a branch out of the structured block. |
12197 | // longjmp() and throw() must not violate the entry/exit criteria. |
12198 | CS->getCapturedDecl()->setNothrow(); |
12199 | } |
12200 | |
12201 | OMPLoopBasedDirective::HelperExprs B; |
12202 | // In presence of clause 'collapse' with number of loops, it will |
12203 | // define the nested loops number. |
12204 | unsigned NestedLoopCount = checkOpenMPLoop( |
12205 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), |
12206 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12207 | VarsWithImplicitDSA, B); |
12208 | |
12209 | if (NestedLoopCount == 0) |
12210 | return StmtError(); |
12211 | |
12212 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12213 | "omp teams distribute simd loop exprs were not built")(static_cast<void> (0)); |
12214 | |
12215 | if (!CurContext->isDependentContext()) { |
12216 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12217 | for (OMPClause *C : Clauses) { |
12218 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12219 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12220 | B.NumIterations, *this, CurScope, |
12221 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12222 | return StmtError(); |
12223 | } |
12224 | } |
12225 | |
12226 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
12227 | return StmtError(); |
12228 | |
12229 | setFunctionHasBranchProtectedScope(); |
12230 | |
12231 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
12232 | |
12233 | return OMPTeamsDistributeSimdDirective::Create( |
12234 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
12235 | } |
12236 | |
12237 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( |
12238 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12239 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12240 | if (!AStmt) |
12241 | return StmtError(); |
12242 | |
12243 | auto *CS = cast<CapturedStmt>(AStmt); |
12244 | // 1.2.2 OpenMP Language Terminology |
12245 | // Structured block - An executable statement with a single entry at the |
12246 | // top and a single exit at the bottom. |
12247 | // The point of exit cannot be a branch out of the structured block. |
12248 | // longjmp() and throw() must not violate the entry/exit criteria. |
12249 | CS->getCapturedDecl()->setNothrow(); |
12250 | |
12251 | for (int ThisCaptureLevel = |
12252 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); |
12253 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12254 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12255 | // 1.2.2 OpenMP Language Terminology |
12256 | // Structured block - An executable statement with a single entry at the |
12257 | // top and a single exit at the bottom. |
12258 | // The point of exit cannot be a branch out of the structured block. |
12259 | // longjmp() and throw() must not violate the entry/exit criteria. |
12260 | CS->getCapturedDecl()->setNothrow(); |
12261 | } |
12262 | |
12263 | OMPLoopBasedDirective::HelperExprs B; |
12264 | // In presence of clause 'collapse' with number of loops, it will |
12265 | // define the nested loops number. |
12266 | unsigned NestedLoopCount = checkOpenMPLoop( |
12267 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), |
12268 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12269 | VarsWithImplicitDSA, B); |
12270 | |
12271 | if (NestedLoopCount == 0) |
12272 | return StmtError(); |
12273 | |
12274 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12275 | "omp for loop exprs were not built")(static_cast<void> (0)); |
12276 | |
12277 | if (!CurContext->isDependentContext()) { |
12278 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12279 | for (OMPClause *C : Clauses) { |
12280 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12281 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12282 | B.NumIterations, *this, CurScope, |
12283 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12284 | return StmtError(); |
12285 | } |
12286 | } |
12287 | |
12288 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
12289 | return StmtError(); |
12290 | |
12291 | setFunctionHasBranchProtectedScope(); |
12292 | |
12293 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
12294 | |
12295 | return OMPTeamsDistributeParallelForSimdDirective::Create( |
12296 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
12297 | } |
12298 | |
12299 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( |
12300 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12301 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12302 | if (!AStmt) |
12303 | return StmtError(); |
12304 | |
12305 | auto *CS = cast<CapturedStmt>(AStmt); |
12306 | // 1.2.2 OpenMP Language Terminology |
12307 | // Structured block - An executable statement with a single entry at the |
12308 | // top and a single exit at the bottom. |
12309 | // The point of exit cannot be a branch out of the structured block. |
12310 | // longjmp() and throw() must not violate the entry/exit criteria. |
12311 | CS->getCapturedDecl()->setNothrow(); |
12312 | |
12313 | for (int ThisCaptureLevel = |
12314 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); |
12315 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12316 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12317 | // 1.2.2 OpenMP Language Terminology |
12318 | // Structured block - An executable statement with a single entry at the |
12319 | // top and a single exit at the bottom. |
12320 | // The point of exit cannot be a branch out of the structured block. |
12321 | // longjmp() and throw() must not violate the entry/exit criteria. |
12322 | CS->getCapturedDecl()->setNothrow(); |
12323 | } |
12324 | |
12325 | OMPLoopBasedDirective::HelperExprs B; |
12326 | // In presence of clause 'collapse' with number of loops, it will |
12327 | // define the nested loops number. |
12328 | unsigned NestedLoopCount = checkOpenMPLoop( |
12329 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
12330 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12331 | VarsWithImplicitDSA, B); |
12332 | |
12333 | if (NestedLoopCount == 0) |
12334 | return StmtError(); |
12335 | |
12336 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12337 | "omp for loop exprs were not built")(static_cast<void> (0)); |
12338 | |
12339 | setFunctionHasBranchProtectedScope(); |
12340 | |
12341 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); |
12342 | |
12343 | return OMPTeamsDistributeParallelForDirective::Create( |
12344 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
12345 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
12346 | } |
12347 | |
12348 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, |
12349 | Stmt *AStmt, |
12350 | SourceLocation StartLoc, |
12351 | SourceLocation EndLoc) { |
12352 | if (!AStmt) |
12353 | return StmtError(); |
12354 | |
12355 | auto *CS = cast<CapturedStmt>(AStmt); |
12356 | // 1.2.2 OpenMP Language Terminology |
12357 | // Structured block - An executable statement with a single entry at the |
12358 | // top and a single exit at the bottom. |
12359 | // The point of exit cannot be a branch out of the structured block. |
12360 | // longjmp() and throw() must not violate the entry/exit criteria. |
12361 | CS->getCapturedDecl()->setNothrow(); |
12362 | |
12363 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); |
12364 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12365 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12366 | // 1.2.2 OpenMP Language Terminology |
12367 | // Structured block - An executable statement with a single entry at the |
12368 | // top and a single exit at the bottom. |
12369 | // The point of exit cannot be a branch out of the structured block. |
12370 | // longjmp() and throw() must not violate the entry/exit criteria. |
12371 | CS->getCapturedDecl()->setNothrow(); |
12372 | } |
12373 | setFunctionHasBranchProtectedScope(); |
12374 | |
12375 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, |
12376 | AStmt); |
12377 | } |
12378 | |
12379 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( |
12380 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12381 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12382 | if (!AStmt) |
12383 | return StmtError(); |
12384 | |
12385 | auto *CS = cast<CapturedStmt>(AStmt); |
12386 | // 1.2.2 OpenMP Language Terminology |
12387 | // Structured block - An executable statement with a single entry at the |
12388 | // top and a single exit at the bottom. |
12389 | // The point of exit cannot be a branch out of the structured block. |
12390 | // longjmp() and throw() must not violate the entry/exit criteria. |
12391 | CS->getCapturedDecl()->setNothrow(); |
12392 | for (int ThisCaptureLevel = |
12393 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); |
12394 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12395 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12396 | // 1.2.2 OpenMP Language Terminology |
12397 | // Structured block - An executable statement with a single entry at the |
12398 | // top and a single exit at the bottom. |
12399 | // The point of exit cannot be a branch out of the structured block. |
12400 | // longjmp() and throw() must not violate the entry/exit criteria. |
12401 | CS->getCapturedDecl()->setNothrow(); |
12402 | } |
12403 | |
12404 | OMPLoopBasedDirective::HelperExprs B; |
12405 | // In presence of clause 'collapse' with number of loops, it will |
12406 | // define the nested loops number. |
12407 | unsigned NestedLoopCount = checkOpenMPLoop( |
12408 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), |
12409 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12410 | VarsWithImplicitDSA, B); |
12411 | if (NestedLoopCount == 0) |
12412 | return StmtError(); |
12413 | |
12414 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12415 | "omp target teams distribute loop exprs were not built")(static_cast<void> (0)); |
12416 | |
12417 | setFunctionHasBranchProtectedScope(); |
12418 | return OMPTargetTeamsDistributeDirective::Create( |
12419 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
12420 | } |
12421 | |
12422 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( |
12423 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12424 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12425 | if (!AStmt) |
12426 | return StmtError(); |
12427 | |
12428 | auto *CS = cast<CapturedStmt>(AStmt); |
12429 | // 1.2.2 OpenMP Language Terminology |
12430 | // Structured block - An executable statement with a single entry at the |
12431 | // top and a single exit at the bottom. |
12432 | // The point of exit cannot be a branch out of the structured block. |
12433 | // longjmp() and throw() must not violate the entry/exit criteria. |
12434 | CS->getCapturedDecl()->setNothrow(); |
12435 | for (int ThisCaptureLevel = |
12436 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); |
12437 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12438 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12439 | // 1.2.2 OpenMP Language Terminology |
12440 | // Structured block - An executable statement with a single entry at the |
12441 | // top and a single exit at the bottom. |
12442 | // The point of exit cannot be a branch out of the structured block. |
12443 | // longjmp() and throw() must not violate the entry/exit criteria. |
12444 | CS->getCapturedDecl()->setNothrow(); |
12445 | } |
12446 | |
12447 | OMPLoopBasedDirective::HelperExprs B; |
12448 | // In presence of clause 'collapse' with number of loops, it will |
12449 | // define the nested loops number. |
12450 | unsigned NestedLoopCount = checkOpenMPLoop( |
12451 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), |
12452 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12453 | VarsWithImplicitDSA, B); |
12454 | if (NestedLoopCount == 0) |
12455 | return StmtError(); |
12456 | |
12457 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12458 | "omp target teams distribute parallel for loop exprs were not built")(static_cast<void> (0)); |
12459 | |
12460 | if (!CurContext->isDependentContext()) { |
12461 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12462 | for (OMPClause *C : Clauses) { |
12463 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12464 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12465 | B.NumIterations, *this, CurScope, |
12466 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12467 | return StmtError(); |
12468 | } |
12469 | } |
12470 | |
12471 | setFunctionHasBranchProtectedScope(); |
12472 | return OMPTargetTeamsDistributeParallelForDirective::Create( |
12473 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, |
12474 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); |
12475 | } |
12476 | |
12477 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( |
12478 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12479 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12480 | if (!AStmt) |
12481 | return StmtError(); |
12482 | |
12483 | auto *CS = cast<CapturedStmt>(AStmt); |
12484 | // 1.2.2 OpenMP Language Terminology |
12485 | // Structured block - An executable statement with a single entry at the |
12486 | // top and a single exit at the bottom. |
12487 | // The point of exit cannot be a branch out of the structured block. |
12488 | // longjmp() and throw() must not violate the entry/exit criteria. |
12489 | CS->getCapturedDecl()->setNothrow(); |
12490 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( |
12491 | OMPD_target_teams_distribute_parallel_for_simd); |
12492 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12493 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12494 | // 1.2.2 OpenMP Language Terminology |
12495 | // Structured block - An executable statement with a single entry at the |
12496 | // top and a single exit at the bottom. |
12497 | // The point of exit cannot be a branch out of the structured block. |
12498 | // longjmp() and throw() must not violate the entry/exit criteria. |
12499 | CS->getCapturedDecl()->setNothrow(); |
12500 | } |
12501 | |
12502 | OMPLoopBasedDirective::HelperExprs B; |
12503 | // In presence of clause 'collapse' with number of loops, it will |
12504 | // define the nested loops number. |
12505 | unsigned NestedLoopCount = |
12506 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, |
12507 | getCollapseNumberExpr(Clauses), |
12508 | nullptr /*ordered not a clause on distribute*/, CS, *this, |
12509 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); |
12510 | if (NestedLoopCount == 0) |
12511 | return StmtError(); |
12512 | |
12513 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12514 | "omp target teams distribute parallel for simd loop exprs were not "(static_cast<void> (0)) |
12515 | "built")(static_cast<void> (0)); |
12516 | |
12517 | if (!CurContext->isDependentContext()) { |
12518 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12519 | for (OMPClause *C : Clauses) { |
12520 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12521 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12522 | B.NumIterations, *this, CurScope, |
12523 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12524 | return StmtError(); |
12525 | } |
12526 | } |
12527 | |
12528 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
12529 | return StmtError(); |
12530 | |
12531 | setFunctionHasBranchProtectedScope(); |
12532 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( |
12533 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
12534 | } |
12535 | |
12536 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( |
12537 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
12538 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { |
12539 | if (!AStmt) |
12540 | return StmtError(); |
12541 | |
12542 | auto *CS = cast<CapturedStmt>(AStmt); |
12543 | // 1.2.2 OpenMP Language Terminology |
12544 | // Structured block - An executable statement with a single entry at the |
12545 | // top and a single exit at the bottom. |
12546 | // The point of exit cannot be a branch out of the structured block. |
12547 | // longjmp() and throw() must not violate the entry/exit criteria. |
12548 | CS->getCapturedDecl()->setNothrow(); |
12549 | for (int ThisCaptureLevel = |
12550 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); |
12551 | ThisCaptureLevel > 1; --ThisCaptureLevel) { |
12552 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); |
12553 | // 1.2.2 OpenMP Language Terminology |
12554 | // Structured block - An executable statement with a single entry at the |
12555 | // top and a single exit at the bottom. |
12556 | // The point of exit cannot be a branch out of the structured block. |
12557 | // longjmp() and throw() must not violate the entry/exit criteria. |
12558 | CS->getCapturedDecl()->setNothrow(); |
12559 | } |
12560 | |
12561 | OMPLoopBasedDirective::HelperExprs B; |
12562 | // In presence of clause 'collapse' with number of loops, it will |
12563 | // define the nested loops number. |
12564 | unsigned NestedLoopCount = checkOpenMPLoop( |
12565 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), |
12566 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12567 | VarsWithImplicitDSA, B); |
12568 | if (NestedLoopCount == 0) |
12569 | return StmtError(); |
12570 | |
12571 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast<void> (0)) |
12572 | "omp target teams distribute simd loop exprs were not built")(static_cast<void> (0)); |
12573 | |
12574 | if (!CurContext->isDependentContext()) { |
12575 | // Finalize the clauses that need pre-built expressions for CodeGen. |
12576 | for (OMPClause *C : Clauses) { |
12577 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) |
12578 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), |
12579 | B.NumIterations, *this, CurScope, |
12580 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
12581 | return StmtError(); |
12582 | } |
12583 | } |
12584 | |
12585 | if (checkSimdlenSafelenSpecified(*this, Clauses)) |
12586 | return StmtError(); |
12587 | |
12588 | setFunctionHasBranchProtectedScope(); |
12589 | return OMPTargetTeamsDistributeSimdDirective::Create( |
12590 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); |
12591 | } |
12592 | |
12593 | bool Sema::checkTransformableLoopNest( |
12594 | OpenMPDirectiveKind Kind, Stmt *AStmt, int NumLoops, |
12595 | SmallVectorImpl<OMPLoopBasedDirective::HelperExprs> &LoopHelpers, |
12596 | Stmt *&Body, |
12597 | SmallVectorImpl<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>> |
12598 | &OriginalInits) { |
12599 | OriginalInits.emplace_back(); |
12600 | bool Result = OMPLoopBasedDirective::doForAllLoops( |
12601 | AStmt->IgnoreContainers(), /*TryImperfectlyNestedLoops=*/false, NumLoops, |
12602 | [this, &LoopHelpers, &Body, &OriginalInits, Kind](unsigned Cnt, |
12603 | Stmt *CurStmt) { |
12604 | VarsWithInheritedDSAType TmpDSA; |
12605 | unsigned SingleNumLoops = |
12606 | checkOpenMPLoop(Kind, nullptr, nullptr, CurStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
12607 | TmpDSA, LoopHelpers[Cnt]); |
12608 | if (SingleNumLoops == 0) |
12609 | return true; |
12610 | assert(SingleNumLoops == 1 && "Expect single loop iteration space")(static_cast<void> (0)); |
12611 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { |
12612 | OriginalInits.back().push_back(For->getInit()); |
12613 | Body = For->getBody(); |
12614 | } else { |
12615 | assert(isa<CXXForRangeStmt>(CurStmt) &&(static_cast<void> (0)) |
12616 | "Expected canonical for or range-based for loops.")(static_cast<void> (0)); |
12617 | auto *CXXFor = cast<CXXForRangeStmt>(CurStmt); |
12618 | OriginalInits.back().push_back(CXXFor->getBeginStmt()); |
12619 | Body = CXXFor->getBody(); |
12620 | } |
12621 | OriginalInits.emplace_back(); |
12622 | return false; |
12623 | }, |
12624 | [&OriginalInits](OMPLoopBasedDirective *Transform) { |
12625 | Stmt *DependentPreInits; |
12626 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) |
12627 | DependentPreInits = Dir->getPreInits(); |
12628 | else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) |
12629 | DependentPreInits = Dir->getPreInits(); |
12630 | else |
12631 | llvm_unreachable("Unhandled loop transformation")__builtin_unreachable(); |
12632 | if (!DependentPreInits) |
12633 | return; |
12634 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) |
12635 | OriginalInits.back().push_back(C); |
12636 | }); |
12637 | assert(OriginalInits.back().empty() && "No preinit after innermost loop")(static_cast<void> (0)); |
12638 | OriginalInits.pop_back(); |
12639 | return Result; |
12640 | } |
12641 | |
12642 | StmtResult Sema::ActOnOpenMPTileDirective(ArrayRef<OMPClause *> Clauses, |
12643 | Stmt *AStmt, SourceLocation StartLoc, |
12644 | SourceLocation EndLoc) { |
12645 | auto SizesClauses = |
12646 | OMPExecutableDirective::getClausesOfKind<OMPSizesClause>(Clauses); |
12647 | if (SizesClauses.empty()) { |
12648 | // A missing 'sizes' clause is already reported by the parser. |
12649 | return StmtError(); |
12650 | } |
12651 | const OMPSizesClause *SizesClause = *SizesClauses.begin(); |
12652 | unsigned NumLoops = SizesClause->getNumSizes(); |
12653 | |
12654 | // Empty statement should only be possible if there already was an error. |
12655 | if (!AStmt) |
12656 | return StmtError(); |
12657 | |
12658 | // Verify and diagnose loop nest. |
12659 | SmallVector<OMPLoopBasedDirective::HelperExprs, 4> LoopHelpers(NumLoops); |
12660 | Stmt *Body = nullptr; |
12661 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, 4> |
12662 | OriginalInits; |
12663 | if (!checkTransformableLoopNest(OMPD_tile, AStmt, NumLoops, LoopHelpers, Body, |
12664 | OriginalInits)) |
12665 | return StmtError(); |
12666 | |
12667 | // Delay tiling to when template is completely instantiated. |
12668 | if (CurContext->isDependentContext()) |
12669 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, |
12670 | NumLoops, AStmt, nullptr, nullptr); |
12671 | |
12672 | SmallVector<Decl *, 4> PreInits; |
12673 | |
12674 | // Create iteration variables for the generated loops. |
12675 | SmallVector<VarDecl *, 4> FloorIndVars; |
12676 | SmallVector<VarDecl *, 4> TileIndVars; |
12677 | FloorIndVars.resize(NumLoops); |
12678 | TileIndVars.resize(NumLoops); |
12679 | for (unsigned I = 0; I < NumLoops; ++I) { |
12680 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; |
12681 | |
12682 | assert(LoopHelper.Counters.size() == 1 &&(static_cast<void> (0)) |
12683 | "Expect single-dimensional loop iteration space")(static_cast<void> (0)); |
12684 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); |
12685 | std::string OrigVarName = OrigCntVar->getNameInfo().getAsString(); |
12686 | DeclRefExpr *IterVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); |
12687 | QualType CntTy = IterVarRef->getType(); |
12688 | |
12689 | // Iteration variable for the floor (i.e. outer) loop. |
12690 | { |
12691 | std::string FloorCntName = |
12692 | (Twine(".floor_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); |
12693 | VarDecl *FloorCntDecl = |
12694 | buildVarDecl(*this, {}, CntTy, FloorCntName, nullptr, OrigCntVar); |
12695 | FloorIndVars[I] = FloorCntDecl; |
12696 | } |
12697 | |
12698 | // Iteration variable for the tile (i.e. inner) loop. |
12699 | { |
12700 | std::string TileCntName = |
12701 | (Twine(".tile_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); |
12702 | |
12703 | // Reuse the iteration variable created by checkOpenMPLoop. It is also |
12704 | // used by the expressions to derive the original iteration variable's |
12705 | // value from the logical iteration number. |
12706 | auto *TileCntDecl = cast<VarDecl>(IterVarRef->getDecl()); |
12707 | TileCntDecl->setDeclName(&PP.getIdentifierTable().get(TileCntName)); |
12708 | TileIndVars[I] = TileCntDecl; |
12709 | } |
12710 | for (auto &P : OriginalInits[I]) { |
12711 | if (auto *D = P.dyn_cast<Decl *>()) |
12712 | PreInits.push_back(D); |
12713 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) |
12714 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
12715 | } |
12716 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) |
12717 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
12718 | // Gather declarations for the data members used as counters. |
12719 | for (Expr *CounterRef : LoopHelper.Counters) { |
12720 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); |
12721 | if (isa<OMPCapturedExprDecl>(CounterDecl)) |
12722 | PreInits.push_back(CounterDecl); |
12723 | } |
12724 | } |
12725 | |
12726 | // Once the original iteration values are set, append the innermost body. |
12727 | Stmt *Inner = Body; |
12728 | |
12729 | // Create tile loops from the inside to the outside. |
12730 | for (int I = NumLoops - 1; I >= 0; --I) { |
12731 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; |
12732 | Expr *NumIterations = LoopHelper.NumIterations; |
12733 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); |
12734 | QualType CntTy = OrigCntVar->getType(); |
12735 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; |
12736 | Scope *CurScope = getCurScope(); |
12737 | |
12738 | // Commonly used variables. |
12739 | DeclRefExpr *TileIV = buildDeclRefExpr(*this, TileIndVars[I], CntTy, |
12740 | OrigCntVar->getExprLoc()); |
12741 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, |
12742 | OrigCntVar->getExprLoc()); |
12743 | |
12744 | // For init-statement: auto .tile.iv = .floor.iv |
12745 | AddInitializerToDecl(TileIndVars[I], DefaultLvalueConversion(FloorIV).get(), |
12746 | /*DirectInit=*/false); |
12747 | Decl *CounterDecl = TileIndVars[I]; |
12748 | StmtResult InitStmt = new (Context) |
12749 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), |
12750 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); |
12751 | if (!InitStmt.isUsable()) |
12752 | return StmtError(); |
12753 | |
12754 | // For cond-expression: .tile.iv < min(.floor.iv + DimTileSize, |
12755 | // NumIterations) |
12756 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
12757 | BO_Add, FloorIV, DimTileSize); |
12758 | if (!EndOfTile.isUsable()) |
12759 | return StmtError(); |
12760 | ExprResult IsPartialTile = |
12761 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, |
12762 | NumIterations, EndOfTile.get()); |
12763 | if (!IsPartialTile.isUsable()) |
12764 | return StmtError(); |
12765 | ExprResult MinTileAndIterSpace = ActOnConditionalOp( |
12766 | LoopHelper.Cond->getBeginLoc(), LoopHelper.Cond->getEndLoc(), |
12767 | IsPartialTile.get(), NumIterations, EndOfTile.get()); |
12768 | if (!MinTileAndIterSpace.isUsable()) |
12769 | return StmtError(); |
12770 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
12771 | BO_LT, TileIV, MinTileAndIterSpace.get()); |
12772 | if (!CondExpr.isUsable()) |
12773 | return StmtError(); |
12774 | |
12775 | // For incr-statement: ++.tile.iv |
12776 | ExprResult IncrStmt = |
12777 | BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), UO_PreInc, TileIV); |
12778 | if (!IncrStmt.isUsable()) |
12779 | return StmtError(); |
12780 | |
12781 | // Statements to set the original iteration variable's value from the |
12782 | // logical iteration number. |
12783 | // Generated for loop is: |
12784 | // Original_for_init; |
12785 | // for (auto .tile.iv = .floor.iv; .tile.iv < min(.floor.iv + DimTileSize, |
12786 | // NumIterations); ++.tile.iv) { |
12787 | // Original_Body; |
12788 | // Original_counter_update; |
12789 | // } |
12790 | // FIXME: If the innermost body is an loop itself, inserting these |
12791 | // statements stops it being recognized as a perfectly nested loop (e.g. |
12792 | // for applying tiling again). If this is the case, sink the expressions |
12793 | // further into the inner loop. |
12794 | SmallVector<Stmt *, 4> BodyParts; |
12795 | BodyParts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); |
12796 | BodyParts.push_back(Inner); |
12797 | Inner = CompoundStmt::Create(Context, BodyParts, Inner->getBeginLoc(), |
12798 | Inner->getEndLoc()); |
12799 | Inner = new (Context) |
12800 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, |
12801 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), |
12802 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
12803 | } |
12804 | |
12805 | // Create floor loops from the inside to the outside. |
12806 | for (int I = NumLoops - 1; I >= 0; --I) { |
12807 | auto &LoopHelper = LoopHelpers[I]; |
12808 | Expr *NumIterations = LoopHelper.NumIterations; |
12809 | DeclRefExpr *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); |
12810 | QualType CntTy = OrigCntVar->getType(); |
12811 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; |
12812 | Scope *CurScope = getCurScope(); |
12813 | |
12814 | // Commonly used variables. |
12815 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, |
12816 | OrigCntVar->getExprLoc()); |
12817 | |
12818 | // For init-statement: auto .floor.iv = 0 |
12819 | AddInitializerToDecl( |
12820 | FloorIndVars[I], |
12821 | ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), |
12822 | /*DirectInit=*/false); |
12823 | Decl *CounterDecl = FloorIndVars[I]; |
12824 | StmtResult InitStmt = new (Context) |
12825 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), |
12826 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); |
12827 | if (!InitStmt.isUsable()) |
12828 | return StmtError(); |
12829 | |
12830 | // For cond-expression: .floor.iv < NumIterations |
12831 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
12832 | BO_LT, FloorIV, NumIterations); |
12833 | if (!CondExpr.isUsable()) |
12834 | return StmtError(); |
12835 | |
12836 | // For incr-statement: .floor.iv += DimTileSize |
12837 | ExprResult IncrStmt = BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), |
12838 | BO_AddAssign, FloorIV, DimTileSize); |
12839 | if (!IncrStmt.isUsable()) |
12840 | return StmtError(); |
12841 | |
12842 | Inner = new (Context) |
12843 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, |
12844 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), |
12845 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
12846 | } |
12847 | |
12848 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, NumLoops, |
12849 | AStmt, Inner, |
12850 | buildPreInits(Context, PreInits)); |
12851 | } |
12852 | |
12853 | StmtResult Sema::ActOnOpenMPUnrollDirective(ArrayRef<OMPClause *> Clauses, |
12854 | Stmt *AStmt, |
12855 | SourceLocation StartLoc, |
12856 | SourceLocation EndLoc) { |
12857 | // Empty statement should only be possible if there already was an error. |
12858 | if (!AStmt) |
12859 | return StmtError(); |
12860 | |
12861 | if (checkMutuallyExclusiveClauses(*this, Clauses, {OMPC_partial, OMPC_full})) |
12862 | return StmtError(); |
12863 | |
12864 | const OMPFullClause *FullClause = |
12865 | OMPExecutableDirective::getSingleClause<OMPFullClause>(Clauses); |
12866 | const OMPPartialClause *PartialClause = |
12867 | OMPExecutableDirective::getSingleClause<OMPPartialClause>(Clauses); |
12868 | assert(!(FullClause && PartialClause) &&(static_cast<void> (0)) |
12869 | "mutual exclusivity must have been checked before")(static_cast<void> (0)); |
12870 | |
12871 | constexpr unsigned NumLoops = 1; |
12872 | Stmt *Body = nullptr; |
12873 | SmallVector<OMPLoopBasedDirective::HelperExprs, NumLoops> LoopHelpers( |
12874 | NumLoops); |
12875 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, NumLoops + 1> |
12876 | OriginalInits; |
12877 | if (!checkTransformableLoopNest(OMPD_unroll, AStmt, NumLoops, LoopHelpers, |
12878 | Body, OriginalInits)) |
12879 | return StmtError(); |
12880 | |
12881 | // Delay unrolling to when template is completely instantiated. |
12882 | if (CurContext->isDependentContext()) |
12883 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
12884 | nullptr, nullptr); |
12885 | |
12886 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers.front(); |
12887 | |
12888 | if (FullClause) { |
12889 | if (!VerifyPositiveIntegerConstantInClause( |
12890 | LoopHelper.NumIterations, OMPC_full, /*StrictlyPositive=*/false, |
12891 | /*SuppressExprDigs=*/true) |
12892 | .isUsable()) { |
12893 | Diag(AStmt->getBeginLoc(), diag::err_omp_unroll_full_variable_trip_count); |
12894 | Diag(FullClause->getBeginLoc(), diag::note_omp_directive_here) |
12895 | << "#pragma omp unroll full"; |
12896 | return StmtError(); |
12897 | } |
12898 | } |
12899 | |
12900 | // The generated loop may only be passed to other loop-associated directive |
12901 | // when a partial clause is specified. Without the requirement it is |
12902 | // sufficient to generate loop unroll metadata at code-generation. |
12903 | if (!PartialClause) |
12904 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
12905 | nullptr, nullptr); |
12906 | |
12907 | // Otherwise, we need to provide a de-sugared/transformed AST that can be |
12908 | // associated with another loop directive. |
12909 | // |
12910 | // The canonical loop analysis return by checkTransformableLoopNest assumes |
12911 | // the following structure to be the same loop without transformations or |
12912 | // directives applied: \code OriginalInits; LoopHelper.PreInits; |
12913 | // LoopHelper.Counters; |
12914 | // for (; IV < LoopHelper.NumIterations; ++IV) { |
12915 | // LoopHelper.Updates; |
12916 | // Body; |
12917 | // } |
12918 | // \endcode |
12919 | // where IV is a variable declared and initialized to 0 in LoopHelper.PreInits |
12920 | // and referenced by LoopHelper.IterationVarRef. |
12921 | // |
12922 | // The unrolling directive transforms this into the following loop: |
12923 | // \code |
12924 | // OriginalInits; \ |
12925 | // LoopHelper.PreInits; > NewPreInits |
12926 | // LoopHelper.Counters; / |
12927 | // for (auto UIV = 0; UIV < LoopHelper.NumIterations; UIV+=Factor) { |
12928 | // #pragma clang loop unroll_count(Factor) |
12929 | // for (IV = UIV; IV < UIV + Factor && UIV < LoopHelper.NumIterations; ++IV) |
12930 | // { |
12931 | // LoopHelper.Updates; |
12932 | // Body; |
12933 | // } |
12934 | // } |
12935 | // \endcode |
12936 | // where UIV is a new logical iteration counter. IV must be the same VarDecl |
12937 | // as the original LoopHelper.IterationVarRef because LoopHelper.Updates |
12938 | // references it. If the partially unrolled loop is associated with another |
12939 | // loop directive (like an OMPForDirective), it will use checkOpenMPLoop to |
12940 | // analyze this loop, i.e. the outer loop must fulfill the constraints of an |
12941 | // OpenMP canonical loop. The inner loop is not an associable canonical loop |
12942 | // and only exists to defer its unrolling to LLVM's LoopUnroll instead of |
12943 | // doing it in the frontend (by adding loop metadata). NewPreInits becomes a |
12944 | // property of the OMPLoopBasedDirective instead of statements in |
12945 | // CompoundStatement. This is to allow the loop to become a non-outermost loop |
12946 | // of a canonical loop nest where these PreInits are emitted before the |
12947 | // outermost directive. |
12948 | |
12949 | // Determine the PreInit declarations. |
12950 | SmallVector<Decl *, 4> PreInits; |
12951 | assert(OriginalInits.size() == 1 &&(static_cast<void> (0)) |
12952 | "Expecting a single-dimensional loop iteration space")(static_cast<void> (0)); |
12953 | for (auto &P : OriginalInits[0]) { |
12954 | if (auto *D = P.dyn_cast<Decl *>()) |
12955 | PreInits.push_back(D); |
12956 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) |
12957 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
12958 | } |
12959 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) |
12960 | PreInits.append(PI->decl_begin(), PI->decl_end()); |
12961 | // Gather declarations for the data members used as counters. |
12962 | for (Expr *CounterRef : LoopHelper.Counters) { |
12963 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); |
12964 | if (isa<OMPCapturedExprDecl>(CounterDecl)) |
12965 | PreInits.push_back(CounterDecl); |
12966 | } |
12967 | |
12968 | auto *IterationVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); |
12969 | QualType IVTy = IterationVarRef->getType(); |
12970 | assert(LoopHelper.Counters.size() == 1 &&(static_cast<void> (0)) |
12971 | "Expecting a single-dimensional loop iteration space")(static_cast<void> (0)); |
12972 | auto *OrigVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); |
12973 | |
12974 | // Determine the unroll factor. |
12975 | uint64_t Factor; |
12976 | SourceLocation FactorLoc; |
12977 | if (Expr *FactorVal = PartialClause->getFactor()) { |
12978 | Factor = |
12979 | FactorVal->getIntegerConstantExpr(Context).getValue().getZExtValue(); |
12980 | FactorLoc = FactorVal->getExprLoc(); |
12981 | } else { |
12982 | // TODO: Use a better profitability model. |
12983 | Factor = 2; |
12984 | } |
12985 | assert(Factor > 0 && "Expected positive unroll factor")(static_cast<void> (0)); |
12986 | auto MakeFactorExpr = [this, Factor, IVTy, FactorLoc]() { |
12987 | return IntegerLiteral::Create( |
12988 | Context, llvm::APInt(Context.getIntWidth(IVTy), Factor), IVTy, |
12989 | FactorLoc); |
12990 | }; |
12991 | |
12992 | // Iteration variable SourceLocations. |
12993 | SourceLocation OrigVarLoc = OrigVar->getExprLoc(); |
12994 | SourceLocation OrigVarLocBegin = OrigVar->getBeginLoc(); |
12995 | SourceLocation OrigVarLocEnd = OrigVar->getEndLoc(); |
12996 | |
12997 | // Internal variable names. |
12998 | std::string OrigVarName = OrigVar->getNameInfo().getAsString(); |
12999 | std::string OuterIVName = (Twine(".unrolled.iv.") + OrigVarName).str(); |
13000 | std::string InnerIVName = (Twine(".unroll_inner.iv.") + OrigVarName).str(); |
13001 | std::string InnerTripCountName = |
13002 | (Twine(".unroll_inner.tripcount.") + OrigVarName).str(); |
13003 | |
13004 | // Create the iteration variable for the unrolled loop. |
13005 | VarDecl *OuterIVDecl = |
13006 | buildVarDecl(*this, {}, IVTy, OuterIVName, nullptr, OrigVar); |
13007 | auto MakeOuterRef = [this, OuterIVDecl, IVTy, OrigVarLoc]() { |
13008 | return buildDeclRefExpr(*this, OuterIVDecl, IVTy, OrigVarLoc); |
13009 | }; |
13010 | |
13011 | // Iteration variable for the inner loop: Reuse the iteration variable created |
13012 | // by checkOpenMPLoop. |
13013 | auto *InnerIVDecl = cast<VarDecl>(IterationVarRef->getDecl()); |
13014 | InnerIVDecl->setDeclName(&PP.getIdentifierTable().get(InnerIVName)); |
13015 | auto MakeInnerRef = [this, InnerIVDecl, IVTy, OrigVarLoc]() { |
13016 | return buildDeclRefExpr(*this, InnerIVDecl, IVTy, OrigVarLoc); |
13017 | }; |
13018 | |
13019 | // Make a copy of the NumIterations expression for each use: By the AST |
13020 | // constraints, every expression object in a DeclContext must be unique. |
13021 | CaptureVars CopyTransformer(*this); |
13022 | auto MakeNumIterations = [&CopyTransformer, &LoopHelper]() -> Expr * { |
13023 | return AssertSuccess( |
13024 | CopyTransformer.TransformExpr(LoopHelper.NumIterations)); |
13025 | }; |
13026 | |
13027 | // Inner For init-statement: auto .unroll_inner.iv = .unrolled.iv |
13028 | ExprResult LValueConv = DefaultLvalueConversion(MakeOuterRef()); |
13029 | AddInitializerToDecl(InnerIVDecl, LValueConv.get(), /*DirectInit=*/false); |
13030 | StmtResult InnerInit = new (Context) |
13031 | DeclStmt(DeclGroupRef(InnerIVDecl), OrigVarLocBegin, OrigVarLocEnd); |
13032 | if (!InnerInit.isUsable()) |
13033 | return StmtError(); |
13034 | |
13035 | // Inner For cond-expression: |
13036 | // \code |
13037 | // .unroll_inner.iv < .unrolled.iv + Factor && |
13038 | // .unroll_inner.iv < NumIterations |
13039 | // \endcode |
13040 | // This conjunction of two conditions allows ScalarEvolution to derive the |
13041 | // maximum trip count of the inner loop. |
13042 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
13043 | BO_Add, MakeOuterRef(), MakeFactorExpr()); |
13044 | if (!EndOfTile.isUsable()) |
13045 | return StmtError(); |
13046 | ExprResult InnerCond1 = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), |
13047 | BO_LE, MakeInnerRef(), EndOfTile.get()); |
13048 | if (!InnerCond1.isUsable()) |
13049 | return StmtError(); |
13050 | ExprResult InnerCond2 = |
13051 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LE, MakeInnerRef(), |
13052 | MakeNumIterations()); |
13053 | if (!InnerCond2.isUsable()) |
13054 | return StmtError(); |
13055 | ExprResult InnerCond = |
13056 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LAnd, |
13057 | InnerCond1.get(), InnerCond2.get()); |
13058 | if (!InnerCond.isUsable()) |
13059 | return StmtError(); |
13060 | |
13061 | // Inner For incr-statement: ++.unroll_inner.iv |
13062 | ExprResult InnerIncr = BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), |
13063 | UO_PreInc, MakeInnerRef()); |
13064 | if (!InnerIncr.isUsable()) |
13065 | return StmtError(); |
13066 | |
13067 | // Inner For statement. |
13068 | SmallVector<Stmt *> InnerBodyStmts; |
13069 | InnerBodyStmts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); |
13070 | InnerBodyStmts.push_back(Body); |
13071 | CompoundStmt *InnerBody = CompoundStmt::Create( |
13072 | Context, InnerBodyStmts, Body->getBeginLoc(), Body->getEndLoc()); |
13073 | ForStmt *InnerFor = new (Context) |
13074 | ForStmt(Context, InnerInit.get(), InnerCond.get(), nullptr, |
13075 | InnerIncr.get(), InnerBody, LoopHelper.Init->getBeginLoc(), |
13076 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
13077 | |
13078 | // Unroll metadata for the inner loop. |
13079 | // This needs to take into account the remainder portion of the unrolled loop, |
13080 | // hence `unroll(full)` does not apply here, even though the LoopUnroll pass |
13081 | // supports multiple loop exits. Instead, unroll using a factor equivalent to |
13082 | // the maximum trip count, which will also generate a remainder loop. Just |
13083 | // `unroll(enable)` (which could have been useful if the user has not |
13084 | // specified a concrete factor; even though the outer loop cannot be |
13085 | // influenced anymore, would avoid more code bloat than necessary) will refuse |
13086 | // the loop because "Won't unroll; remainder loop could not be generated when |
13087 | // assuming runtime trip count". Even if it did work, it must not choose a |
13088 | // larger unroll factor than the maximum loop length, or it would always just |
13089 | // execute the remainder loop. |
13090 | LoopHintAttr *UnrollHintAttr = |
13091 | LoopHintAttr::CreateImplicit(Context, LoopHintAttr::UnrollCount, |
13092 | LoopHintAttr::Numeric, MakeFactorExpr()); |
13093 | AttributedStmt *InnerUnrolled = |
13094 | AttributedStmt::Create(Context, StartLoc, {UnrollHintAttr}, InnerFor); |
13095 | |
13096 | // Outer For init-statement: auto .unrolled.iv = 0 |
13097 | AddInitializerToDecl( |
13098 | OuterIVDecl, ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), |
13099 | /*DirectInit=*/false); |
13100 | StmtResult OuterInit = new (Context) |
13101 | DeclStmt(DeclGroupRef(OuterIVDecl), OrigVarLocBegin, OrigVarLocEnd); |
13102 | if (!OuterInit.isUsable()) |
13103 | return StmtError(); |
13104 | |
13105 | // Outer For cond-expression: .unrolled.iv < NumIterations |
13106 | ExprResult OuterConde = |
13107 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, MakeOuterRef(), |
13108 | MakeNumIterations()); |
13109 | if (!OuterConde.isUsable()) |
13110 | return StmtError(); |
13111 | |
13112 | // Outer For incr-statement: .unrolled.iv += Factor |
13113 | ExprResult OuterIncr = |
13114 | BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), BO_AddAssign, |
13115 | MakeOuterRef(), MakeFactorExpr()); |
13116 | if (!OuterIncr.isUsable()) |
13117 | return StmtError(); |
13118 | |
13119 | // Outer For statement. |
13120 | ForStmt *OuterFor = new (Context) |
13121 | ForStmt(Context, OuterInit.get(), OuterConde.get(), nullptr, |
13122 | OuterIncr.get(), InnerUnrolled, LoopHelper.Init->getBeginLoc(), |
13123 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); |
13124 | |
13125 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, |
13126 | OuterFor, buildPreInits(Context, PreInits)); |
13127 | } |
13128 | |
13129 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, |
13130 | SourceLocation StartLoc, |
13131 | SourceLocation LParenLoc, |
13132 | SourceLocation EndLoc) { |
13133 | OMPClause *Res = nullptr; |
13134 | switch (Kind) { |
13135 | case OMPC_final: |
13136 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); |
13137 | break; |
13138 | case OMPC_num_threads: |
13139 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); |
13140 | break; |
13141 | case OMPC_safelen: |
13142 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); |
13143 | break; |
13144 | case OMPC_simdlen: |
13145 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); |
13146 | break; |
13147 | case OMPC_allocator: |
13148 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); |
13149 | break; |
13150 | case OMPC_collapse: |
13151 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); |
13152 | break; |
13153 | case OMPC_ordered: |
13154 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); |
13155 | break; |
13156 | case OMPC_num_teams: |
13157 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); |
13158 | break; |
13159 | case OMPC_thread_limit: |
13160 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); |
13161 | break; |
13162 | case OMPC_priority: |
13163 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); |
13164 | break; |
13165 | case OMPC_grainsize: |
13166 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); |
13167 | break; |
13168 | case OMPC_num_tasks: |
13169 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); |
13170 | break; |
13171 | case OMPC_hint: |
13172 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); |
13173 | break; |
13174 | case OMPC_depobj: |
13175 | Res = ActOnOpenMPDepobjClause(Expr, StartLoc, LParenLoc, EndLoc); |
13176 | break; |
13177 | case OMPC_detach: |
13178 | Res = ActOnOpenMPDetachClause(Expr, StartLoc, LParenLoc, EndLoc); |
13179 | break; |
13180 | case OMPC_novariants: |
13181 | Res = ActOnOpenMPNovariantsClause(Expr, StartLoc, LParenLoc, EndLoc); |
13182 | break; |
13183 | case OMPC_nocontext: |
13184 | Res = ActOnOpenMPNocontextClause(Expr, StartLoc, LParenLoc, EndLoc); |
13185 | break; |
13186 | case OMPC_filter: |
13187 | Res = ActOnOpenMPFilterClause(Expr, StartLoc, LParenLoc, EndLoc); |
13188 | break; |
13189 | case OMPC_partial: |
13190 | Res = ActOnOpenMPPartialClause(Expr, StartLoc, LParenLoc, EndLoc); |
13191 | break; |
13192 | case OMPC_device: |
13193 | case OMPC_if: |
13194 | case OMPC_default: |
13195 | case OMPC_proc_bind: |
13196 | case OMPC_schedule: |
13197 | case OMPC_private: |
13198 | case OMPC_firstprivate: |
13199 | case OMPC_lastprivate: |
13200 | case OMPC_shared: |
13201 | case OMPC_reduction: |
13202 | case OMPC_task_reduction: |
13203 | case OMPC_in_reduction: |
13204 | case OMPC_linear: |
13205 | case OMPC_aligned: |
13206 | case OMPC_copyin: |
13207 | case OMPC_copyprivate: |
13208 | case OMPC_nowait: |
13209 | case OMPC_untied: |
13210 | case OMPC_mergeable: |
13211 | case OMPC_threadprivate: |
13212 | case OMPC_sizes: |
13213 | case OMPC_allocate: |
13214 | case OMPC_flush: |
13215 | case OMPC_read: |
13216 | case OMPC_write: |
13217 | case OMPC_update: |
13218 | case OMPC_capture: |
13219 | case OMPC_seq_cst: |
13220 | case OMPC_acq_rel: |
13221 | case OMPC_acquire: |
13222 | case OMPC_release: |
13223 | case OMPC_relaxed: |
13224 | case OMPC_depend: |
13225 | case OMPC_threads: |
13226 | case OMPC_simd: |
13227 | case OMPC_map: |
13228 | case OMPC_nogroup: |
13229 | case OMPC_dist_schedule: |
13230 | case OMPC_defaultmap: |
13231 | case OMPC_unknown: |
13232 | case OMPC_uniform: |
13233 | case OMPC_to: |
13234 | case OMPC_from: |
13235 | case OMPC_use_device_ptr: |
13236 | case OMPC_use_device_addr: |
13237 | case OMPC_is_device_ptr: |
13238 | case OMPC_unified_address: |
13239 | case OMPC_unified_shared_memory: |
13240 | case OMPC_reverse_offload: |
13241 | case OMPC_dynamic_allocators: |
13242 | case OMPC_atomic_default_mem_order: |
13243 | case OMPC_device_type: |
13244 | case OMPC_match: |
13245 | case OMPC_nontemporal: |
13246 | case OMPC_order: |
13247 | case OMPC_destroy: |
13248 | case OMPC_inclusive: |
13249 | case OMPC_exclusive: |
13250 | case OMPC_uses_allocators: |
13251 | case OMPC_affinity: |
13252 | default: |
13253 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); |
13254 | } |
13255 | return Res; |
13256 | } |
13257 | |
13258 | // An OpenMP directive such as 'target parallel' has two captured regions: |
13259 | // for the 'target' and 'parallel' respectively. This function returns |
13260 | // the region in which to capture expressions associated with a clause. |
13261 | // A return value of OMPD_unknown signifies that the expression should not |
13262 | // be captured. |
13263 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( |
13264 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, unsigned OpenMPVersion, |
13265 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { |
13266 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
13267 | switch (CKind) { |
13268 | case OMPC_if: |
13269 | switch (DKind) { |
13270 | case OMPD_target_parallel_for_simd: |
13271 | if (OpenMPVersion >= 50 && |
13272 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
13273 | CaptureRegion = OMPD_parallel; |
13274 | break; |
13275 | } |
13276 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
13277 | case OMPD_target_parallel: |
13278 | case OMPD_target_parallel_for: |
13279 | // If this clause applies to the nested 'parallel' region, capture within |
13280 | // the 'target' region, otherwise do not capture. |
13281 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) |
13282 | CaptureRegion = OMPD_target; |
13283 | break; |
13284 | case OMPD_target_teams_distribute_parallel_for_simd: |
13285 | if (OpenMPVersion >= 50 && |
13286 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
13287 | CaptureRegion = OMPD_parallel; |
13288 | break; |
13289 | } |
13290 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
13291 | case OMPD_target_teams_distribute_parallel_for: |
13292 | // If this clause applies to the nested 'parallel' region, capture within |
13293 | // the 'teams' region, otherwise do not capture. |
13294 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) |
13295 | CaptureRegion = OMPD_teams; |
13296 | break; |
13297 | case OMPD_teams_distribute_parallel_for_simd: |
13298 | if (OpenMPVersion >= 50 && |
13299 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { |
13300 | CaptureRegion = OMPD_parallel; |
13301 | break; |
13302 | } |
13303 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
13304 | case OMPD_teams_distribute_parallel_for: |
13305 | CaptureRegion = OMPD_teams; |
13306 | break; |
13307 | case OMPD_target_update: |
13308 | case OMPD_target_enter_data: |
13309 | case OMPD_target_exit_data: |
13310 | CaptureRegion = OMPD_task; |
13311 | break; |
13312 | case OMPD_parallel_master_taskloop: |
13313 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) |
13314 | CaptureRegion = OMPD_parallel; |
13315 | break; |
13316 | case OMPD_parallel_master_taskloop_simd: |
13317 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || |
13318 | NameModifier == OMPD_taskloop) { |
13319 | CaptureRegion = OMPD_parallel; |
13320 | break; |
13321 | } |
13322 | if (OpenMPVersion <= 45) |
13323 | break; |
13324 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
13325 | CaptureRegion = OMPD_taskloop; |
13326 | break; |
13327 | case OMPD_parallel_for_simd: |
13328 | if (OpenMPVersion <= 45) |
13329 | break; |
13330 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
13331 | CaptureRegion = OMPD_parallel; |
13332 | break; |
13333 | case OMPD_taskloop_simd: |
13334 | case OMPD_master_taskloop_simd: |
13335 | if (OpenMPVersion <= 45) |
13336 | break; |
13337 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
13338 | CaptureRegion = OMPD_taskloop; |
13339 | break; |
13340 | case OMPD_distribute_parallel_for_simd: |
13341 | if (OpenMPVersion <= 45) |
13342 | break; |
13343 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) |
13344 | CaptureRegion = OMPD_parallel; |
13345 | break; |
13346 | case OMPD_target_simd: |
13347 | if (OpenMPVersion >= 50 && |
13348 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) |
13349 | CaptureRegion = OMPD_target; |
13350 | break; |
13351 | case OMPD_teams_distribute_simd: |
13352 | case OMPD_target_teams_distribute_simd: |
13353 | if (OpenMPVersion >= 50 && |
13354 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) |
13355 | CaptureRegion = OMPD_teams; |
13356 | break; |
13357 | case OMPD_cancel: |
13358 | case OMPD_parallel: |
13359 | case OMPD_parallel_master: |
13360 | case OMPD_parallel_sections: |
13361 | case OMPD_parallel_for: |
13362 | case OMPD_target: |
13363 | case OMPD_target_teams: |
13364 | case OMPD_target_teams_distribute: |
13365 | case OMPD_distribute_parallel_for: |
13366 | case OMPD_task: |
13367 | case OMPD_taskloop: |
13368 | case OMPD_master_taskloop: |
13369 | case OMPD_target_data: |
13370 | case OMPD_simd: |
13371 | case OMPD_for_simd: |
13372 | case OMPD_distribute_simd: |
13373 | // Do not capture if-clause expressions. |
13374 | break; |
13375 | case OMPD_threadprivate: |
13376 | case OMPD_allocate: |
13377 | case OMPD_taskyield: |
13378 | case OMPD_barrier: |
13379 | case OMPD_taskwait: |
13380 | case OMPD_cancellation_point: |
13381 | case OMPD_flush: |
13382 | case OMPD_depobj: |
13383 | case OMPD_scan: |
13384 | case OMPD_declare_reduction: |
13385 | case OMPD_declare_mapper: |
13386 | case OMPD_declare_simd: |
13387 | case OMPD_declare_variant: |
13388 | case OMPD_begin_declare_variant: |
13389 | case OMPD_end_declare_variant: |
13390 | case OMPD_declare_target: |
13391 | case OMPD_end_declare_target: |
13392 | case OMPD_teams: |
13393 | case OMPD_tile: |
13394 | case OMPD_unroll: |
13395 | case OMPD_for: |
13396 | case OMPD_sections: |
13397 | case OMPD_section: |
13398 | case OMPD_single: |
13399 | case OMPD_master: |
13400 | case OMPD_masked: |
13401 | case OMPD_critical: |
13402 | case OMPD_taskgroup: |
13403 | case OMPD_distribute: |
13404 | case OMPD_ordered: |
13405 | case OMPD_atomic: |
13406 | case OMPD_teams_distribute: |
13407 | case OMPD_requires: |
13408 | llvm_unreachable("Unexpected OpenMP directive with if-clause")__builtin_unreachable(); |
13409 | case OMPD_unknown: |
13410 | default: |
13411 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13412 | } |
13413 | break; |
13414 | case OMPC_num_threads: |
13415 | switch (DKind) { |
13416 | case OMPD_target_parallel: |
13417 | case OMPD_target_parallel_for: |
13418 | case OMPD_target_parallel_for_simd: |
13419 | CaptureRegion = OMPD_target; |
13420 | break; |
13421 | case OMPD_teams_distribute_parallel_for: |
13422 | case OMPD_teams_distribute_parallel_for_simd: |
13423 | case OMPD_target_teams_distribute_parallel_for: |
13424 | case OMPD_target_teams_distribute_parallel_for_simd: |
13425 | CaptureRegion = OMPD_teams; |
13426 | break; |
13427 | case OMPD_parallel: |
13428 | case OMPD_parallel_master: |
13429 | case OMPD_parallel_sections: |
13430 | case OMPD_parallel_for: |
13431 | case OMPD_parallel_for_simd: |
13432 | case OMPD_distribute_parallel_for: |
13433 | case OMPD_distribute_parallel_for_simd: |
13434 | case OMPD_parallel_master_taskloop: |
13435 | case OMPD_parallel_master_taskloop_simd: |
13436 | // Do not capture num_threads-clause expressions. |
13437 | break; |
13438 | case OMPD_target_data: |
13439 | case OMPD_target_enter_data: |
13440 | case OMPD_target_exit_data: |
13441 | case OMPD_target_update: |
13442 | case OMPD_target: |
13443 | case OMPD_target_simd: |
13444 | case OMPD_target_teams: |
13445 | case OMPD_target_teams_distribute: |
13446 | case OMPD_target_teams_distribute_simd: |
13447 | case OMPD_cancel: |
13448 | case OMPD_task: |
13449 | case OMPD_taskloop: |
13450 | case OMPD_taskloop_simd: |
13451 | case OMPD_master_taskloop: |
13452 | case OMPD_master_taskloop_simd: |
13453 | case OMPD_threadprivate: |
13454 | case OMPD_allocate: |
13455 | case OMPD_taskyield: |
13456 | case OMPD_barrier: |
13457 | case OMPD_taskwait: |
13458 | case OMPD_cancellation_point: |
13459 | case OMPD_flush: |
13460 | case OMPD_depobj: |
13461 | case OMPD_scan: |
13462 | case OMPD_declare_reduction: |
13463 | case OMPD_declare_mapper: |
13464 | case OMPD_declare_simd: |
13465 | case OMPD_declare_variant: |
13466 | case OMPD_begin_declare_variant: |
13467 | case OMPD_end_declare_variant: |
13468 | case OMPD_declare_target: |
13469 | case OMPD_end_declare_target: |
13470 | case OMPD_teams: |
13471 | case OMPD_simd: |
13472 | case OMPD_tile: |
13473 | case OMPD_unroll: |
13474 | case OMPD_for: |
13475 | case OMPD_for_simd: |
13476 | case OMPD_sections: |
13477 | case OMPD_section: |
13478 | case OMPD_single: |
13479 | case OMPD_master: |
13480 | case OMPD_masked: |
13481 | case OMPD_critical: |
13482 | case OMPD_taskgroup: |
13483 | case OMPD_distribute: |
13484 | case OMPD_ordered: |
13485 | case OMPD_atomic: |
13486 | case OMPD_distribute_simd: |
13487 | case OMPD_teams_distribute: |
13488 | case OMPD_teams_distribute_simd: |
13489 | case OMPD_requires: |
13490 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")__builtin_unreachable(); |
13491 | case OMPD_unknown: |
13492 | default: |
13493 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13494 | } |
13495 | break; |
13496 | case OMPC_num_teams: |
13497 | switch (DKind) { |
13498 | case OMPD_target_teams: |
13499 | case OMPD_target_teams_distribute: |
13500 | case OMPD_target_teams_distribute_simd: |
13501 | case OMPD_target_teams_distribute_parallel_for: |
13502 | case OMPD_target_teams_distribute_parallel_for_simd: |
13503 | CaptureRegion = OMPD_target; |
13504 | break; |
13505 | case OMPD_teams_distribute_parallel_for: |
13506 | case OMPD_teams_distribute_parallel_for_simd: |
13507 | case OMPD_teams: |
13508 | case OMPD_teams_distribute: |
13509 | case OMPD_teams_distribute_simd: |
13510 | // Do not capture num_teams-clause expressions. |
13511 | break; |
13512 | case OMPD_distribute_parallel_for: |
13513 | case OMPD_distribute_parallel_for_simd: |
13514 | case OMPD_task: |
13515 | case OMPD_taskloop: |
13516 | case OMPD_taskloop_simd: |
13517 | case OMPD_master_taskloop: |
13518 | case OMPD_master_taskloop_simd: |
13519 | case OMPD_parallel_master_taskloop: |
13520 | case OMPD_parallel_master_taskloop_simd: |
13521 | case OMPD_target_data: |
13522 | case OMPD_target_enter_data: |
13523 | case OMPD_target_exit_data: |
13524 | case OMPD_target_update: |
13525 | case OMPD_cancel: |
13526 | case OMPD_parallel: |
13527 | case OMPD_parallel_master: |
13528 | case OMPD_parallel_sections: |
13529 | case OMPD_parallel_for: |
13530 | case OMPD_parallel_for_simd: |
13531 | case OMPD_target: |
13532 | case OMPD_target_simd: |
13533 | case OMPD_target_parallel: |
13534 | case OMPD_target_parallel_for: |
13535 | case OMPD_target_parallel_for_simd: |
13536 | case OMPD_threadprivate: |
13537 | case OMPD_allocate: |
13538 | case OMPD_taskyield: |
13539 | case OMPD_barrier: |
13540 | case OMPD_taskwait: |
13541 | case OMPD_cancellation_point: |
13542 | case OMPD_flush: |
13543 | case OMPD_depobj: |
13544 | case OMPD_scan: |
13545 | case OMPD_declare_reduction: |
13546 | case OMPD_declare_mapper: |
13547 | case OMPD_declare_simd: |
13548 | case OMPD_declare_variant: |
13549 | case OMPD_begin_declare_variant: |
13550 | case OMPD_end_declare_variant: |
13551 | case OMPD_declare_target: |
13552 | case OMPD_end_declare_target: |
13553 | case OMPD_simd: |
13554 | case OMPD_tile: |
13555 | case OMPD_unroll: |
13556 | case OMPD_for: |
13557 | case OMPD_for_simd: |
13558 | case OMPD_sections: |
13559 | case OMPD_section: |
13560 | case OMPD_single: |
13561 | case OMPD_master: |
13562 | case OMPD_masked: |
13563 | case OMPD_critical: |
13564 | case OMPD_taskgroup: |
13565 | case OMPD_distribute: |
13566 | case OMPD_ordered: |
13567 | case OMPD_atomic: |
13568 | case OMPD_distribute_simd: |
13569 | case OMPD_requires: |
13570 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")__builtin_unreachable(); |
13571 | case OMPD_unknown: |
13572 | default: |
13573 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13574 | } |
13575 | break; |
13576 | case OMPC_thread_limit: |
13577 | switch (DKind) { |
13578 | case OMPD_target_teams: |
13579 | case OMPD_target_teams_distribute: |
13580 | case OMPD_target_teams_distribute_simd: |
13581 | case OMPD_target_teams_distribute_parallel_for: |
13582 | case OMPD_target_teams_distribute_parallel_for_simd: |
13583 | CaptureRegion = OMPD_target; |
13584 | break; |
13585 | case OMPD_teams_distribute_parallel_for: |
13586 | case OMPD_teams_distribute_parallel_for_simd: |
13587 | case OMPD_teams: |
13588 | case OMPD_teams_distribute: |
13589 | case OMPD_teams_distribute_simd: |
13590 | // Do not capture thread_limit-clause expressions. |
13591 | break; |
13592 | case OMPD_distribute_parallel_for: |
13593 | case OMPD_distribute_parallel_for_simd: |
13594 | case OMPD_task: |
13595 | case OMPD_taskloop: |
13596 | case OMPD_taskloop_simd: |
13597 | case OMPD_master_taskloop: |
13598 | case OMPD_master_taskloop_simd: |
13599 | case OMPD_parallel_master_taskloop: |
13600 | case OMPD_parallel_master_taskloop_simd: |
13601 | case OMPD_target_data: |
13602 | case OMPD_target_enter_data: |
13603 | case OMPD_target_exit_data: |
13604 | case OMPD_target_update: |
13605 | case OMPD_cancel: |
13606 | case OMPD_parallel: |
13607 | case OMPD_parallel_master: |
13608 | case OMPD_parallel_sections: |
13609 | case OMPD_parallel_for: |
13610 | case OMPD_parallel_for_simd: |
13611 | case OMPD_target: |
13612 | case OMPD_target_simd: |
13613 | case OMPD_target_parallel: |
13614 | case OMPD_target_parallel_for: |
13615 | case OMPD_target_parallel_for_simd: |
13616 | case OMPD_threadprivate: |
13617 | case OMPD_allocate: |
13618 | case OMPD_taskyield: |
13619 | case OMPD_barrier: |
13620 | case OMPD_taskwait: |
13621 | case OMPD_cancellation_point: |
13622 | case OMPD_flush: |
13623 | case OMPD_depobj: |
13624 | case OMPD_scan: |
13625 | case OMPD_declare_reduction: |
13626 | case OMPD_declare_mapper: |
13627 | case OMPD_declare_simd: |
13628 | case OMPD_declare_variant: |
13629 | case OMPD_begin_declare_variant: |
13630 | case OMPD_end_declare_variant: |
13631 | case OMPD_declare_target: |
13632 | case OMPD_end_declare_target: |
13633 | case OMPD_simd: |
13634 | case OMPD_tile: |
13635 | case OMPD_unroll: |
13636 | case OMPD_for: |
13637 | case OMPD_for_simd: |
13638 | case OMPD_sections: |
13639 | case OMPD_section: |
13640 | case OMPD_single: |
13641 | case OMPD_master: |
13642 | case OMPD_masked: |
13643 | case OMPD_critical: |
13644 | case OMPD_taskgroup: |
13645 | case OMPD_distribute: |
13646 | case OMPD_ordered: |
13647 | case OMPD_atomic: |
13648 | case OMPD_distribute_simd: |
13649 | case OMPD_requires: |
13650 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")__builtin_unreachable(); |
13651 | case OMPD_unknown: |
13652 | default: |
13653 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13654 | } |
13655 | break; |
13656 | case OMPC_schedule: |
13657 | switch (DKind) { |
13658 | case OMPD_parallel_for: |
13659 | case OMPD_parallel_for_simd: |
13660 | case OMPD_distribute_parallel_for: |
13661 | case OMPD_distribute_parallel_for_simd: |
13662 | case OMPD_teams_distribute_parallel_for: |
13663 | case OMPD_teams_distribute_parallel_for_simd: |
13664 | case OMPD_target_parallel_for: |
13665 | case OMPD_target_parallel_for_simd: |
13666 | case OMPD_target_teams_distribute_parallel_for: |
13667 | case OMPD_target_teams_distribute_parallel_for_simd: |
13668 | CaptureRegion = OMPD_parallel; |
13669 | break; |
13670 | case OMPD_for: |
13671 | case OMPD_for_simd: |
13672 | // Do not capture schedule-clause expressions. |
13673 | break; |
13674 | case OMPD_task: |
13675 | case OMPD_taskloop: |
13676 | case OMPD_taskloop_simd: |
13677 | case OMPD_master_taskloop: |
13678 | case OMPD_master_taskloop_simd: |
13679 | case OMPD_parallel_master_taskloop: |
13680 | case OMPD_parallel_master_taskloop_simd: |
13681 | case OMPD_target_data: |
13682 | case OMPD_target_enter_data: |
13683 | case OMPD_target_exit_data: |
13684 | case OMPD_target_update: |
13685 | case OMPD_teams: |
13686 | case OMPD_teams_distribute: |
13687 | case OMPD_teams_distribute_simd: |
13688 | case OMPD_target_teams_distribute: |
13689 | case OMPD_target_teams_distribute_simd: |
13690 | case OMPD_target: |
13691 | case OMPD_target_simd: |
13692 | case OMPD_target_parallel: |
13693 | case OMPD_cancel: |
13694 | case OMPD_parallel: |
13695 | case OMPD_parallel_master: |
13696 | case OMPD_parallel_sections: |
13697 | case OMPD_threadprivate: |
13698 | case OMPD_allocate: |
13699 | case OMPD_taskyield: |
13700 | case OMPD_barrier: |
13701 | case OMPD_taskwait: |
13702 | case OMPD_cancellation_point: |
13703 | case OMPD_flush: |
13704 | case OMPD_depobj: |
13705 | case OMPD_scan: |
13706 | case OMPD_declare_reduction: |
13707 | case OMPD_declare_mapper: |
13708 | case OMPD_declare_simd: |
13709 | case OMPD_declare_variant: |
13710 | case OMPD_begin_declare_variant: |
13711 | case OMPD_end_declare_variant: |
13712 | case OMPD_declare_target: |
13713 | case OMPD_end_declare_target: |
13714 | case OMPD_simd: |
13715 | case OMPD_tile: |
13716 | case OMPD_unroll: |
13717 | case OMPD_sections: |
13718 | case OMPD_section: |
13719 | case OMPD_single: |
13720 | case OMPD_master: |
13721 | case OMPD_masked: |
13722 | case OMPD_critical: |
13723 | case OMPD_taskgroup: |
13724 | case OMPD_distribute: |
13725 | case OMPD_ordered: |
13726 | case OMPD_atomic: |
13727 | case OMPD_distribute_simd: |
13728 | case OMPD_target_teams: |
13729 | case OMPD_requires: |
13730 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")__builtin_unreachable(); |
13731 | case OMPD_unknown: |
13732 | default: |
13733 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13734 | } |
13735 | break; |
13736 | case OMPC_dist_schedule: |
13737 | switch (DKind) { |
13738 | case OMPD_teams_distribute_parallel_for: |
13739 | case OMPD_teams_distribute_parallel_for_simd: |
13740 | case OMPD_teams_distribute: |
13741 | case OMPD_teams_distribute_simd: |
13742 | case OMPD_target_teams_distribute_parallel_for: |
13743 | case OMPD_target_teams_distribute_parallel_for_simd: |
13744 | case OMPD_target_teams_distribute: |
13745 | case OMPD_target_teams_distribute_simd: |
13746 | CaptureRegion = OMPD_teams; |
13747 | break; |
13748 | case OMPD_distribute_parallel_for: |
13749 | case OMPD_distribute_parallel_for_simd: |
13750 | case OMPD_distribute: |
13751 | case OMPD_distribute_simd: |
13752 | // Do not capture dist_schedule-clause expressions. |
13753 | break; |
13754 | case OMPD_parallel_for: |
13755 | case OMPD_parallel_for_simd: |
13756 | case OMPD_target_parallel_for_simd: |
13757 | case OMPD_target_parallel_for: |
13758 | case OMPD_task: |
13759 | case OMPD_taskloop: |
13760 | case OMPD_taskloop_simd: |
13761 | case OMPD_master_taskloop: |
13762 | case OMPD_master_taskloop_simd: |
13763 | case OMPD_parallel_master_taskloop: |
13764 | case OMPD_parallel_master_taskloop_simd: |
13765 | case OMPD_target_data: |
13766 | case OMPD_target_enter_data: |
13767 | case OMPD_target_exit_data: |
13768 | case OMPD_target_update: |
13769 | case OMPD_teams: |
13770 | case OMPD_target: |
13771 | case OMPD_target_simd: |
13772 | case OMPD_target_parallel: |
13773 | case OMPD_cancel: |
13774 | case OMPD_parallel: |
13775 | case OMPD_parallel_master: |
13776 | case OMPD_parallel_sections: |
13777 | case OMPD_threadprivate: |
13778 | case OMPD_allocate: |
13779 | case OMPD_taskyield: |
13780 | case OMPD_barrier: |
13781 | case OMPD_taskwait: |
13782 | case OMPD_cancellation_point: |
13783 | case OMPD_flush: |
13784 | case OMPD_depobj: |
13785 | case OMPD_scan: |
13786 | case OMPD_declare_reduction: |
13787 | case OMPD_declare_mapper: |
13788 | case OMPD_declare_simd: |
13789 | case OMPD_declare_variant: |
13790 | case OMPD_begin_declare_variant: |
13791 | case OMPD_end_declare_variant: |
13792 | case OMPD_declare_target: |
13793 | case OMPD_end_declare_target: |
13794 | case OMPD_simd: |
13795 | case OMPD_tile: |
13796 | case OMPD_unroll: |
13797 | case OMPD_for: |
13798 | case OMPD_for_simd: |
13799 | case OMPD_sections: |
13800 | case OMPD_section: |
13801 | case OMPD_single: |
13802 | case OMPD_master: |
13803 | case OMPD_masked: |
13804 | case OMPD_critical: |
13805 | case OMPD_taskgroup: |
13806 | case OMPD_ordered: |
13807 | case OMPD_atomic: |
13808 | case OMPD_target_teams: |
13809 | case OMPD_requires: |
13810 | llvm_unreachable("Unexpected OpenMP directive with dist_schedule clause")__builtin_unreachable(); |
13811 | case OMPD_unknown: |
13812 | default: |
13813 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13814 | } |
13815 | break; |
13816 | case OMPC_device: |
13817 | switch (DKind) { |
13818 | case OMPD_target_update: |
13819 | case OMPD_target_enter_data: |
13820 | case OMPD_target_exit_data: |
13821 | case OMPD_target: |
13822 | case OMPD_target_simd: |
13823 | case OMPD_target_teams: |
13824 | case OMPD_target_parallel: |
13825 | case OMPD_target_teams_distribute: |
13826 | case OMPD_target_teams_distribute_simd: |
13827 | case OMPD_target_parallel_for: |
13828 | case OMPD_target_parallel_for_simd: |
13829 | case OMPD_target_teams_distribute_parallel_for: |
13830 | case OMPD_target_teams_distribute_parallel_for_simd: |
13831 | case OMPD_dispatch: |
13832 | CaptureRegion = OMPD_task; |
13833 | break; |
13834 | case OMPD_target_data: |
13835 | case OMPD_interop: |
13836 | // Do not capture device-clause expressions. |
13837 | break; |
13838 | case OMPD_teams_distribute_parallel_for: |
13839 | case OMPD_teams_distribute_parallel_for_simd: |
13840 | case OMPD_teams: |
13841 | case OMPD_teams_distribute: |
13842 | case OMPD_teams_distribute_simd: |
13843 | case OMPD_distribute_parallel_for: |
13844 | case OMPD_distribute_parallel_for_simd: |
13845 | case OMPD_task: |
13846 | case OMPD_taskloop: |
13847 | case OMPD_taskloop_simd: |
13848 | case OMPD_master_taskloop: |
13849 | case OMPD_master_taskloop_simd: |
13850 | case OMPD_parallel_master_taskloop: |
13851 | case OMPD_parallel_master_taskloop_simd: |
13852 | case OMPD_cancel: |
13853 | case OMPD_parallel: |
13854 | case OMPD_parallel_master: |
13855 | case OMPD_parallel_sections: |
13856 | case OMPD_parallel_for: |
13857 | case OMPD_parallel_for_simd: |
13858 | case OMPD_threadprivate: |
13859 | case OMPD_allocate: |
13860 | case OMPD_taskyield: |
13861 | case OMPD_barrier: |
13862 | case OMPD_taskwait: |
13863 | case OMPD_cancellation_point: |
13864 | case OMPD_flush: |
13865 | case OMPD_depobj: |
13866 | case OMPD_scan: |
13867 | case OMPD_declare_reduction: |
13868 | case OMPD_declare_mapper: |
13869 | case OMPD_declare_simd: |
13870 | case OMPD_declare_variant: |
13871 | case OMPD_begin_declare_variant: |
13872 | case OMPD_end_declare_variant: |
13873 | case OMPD_declare_target: |
13874 | case OMPD_end_declare_target: |
13875 | case OMPD_simd: |
13876 | case OMPD_tile: |
13877 | case OMPD_unroll: |
13878 | case OMPD_for: |
13879 | case OMPD_for_simd: |
13880 | case OMPD_sections: |
13881 | case OMPD_section: |
13882 | case OMPD_single: |
13883 | case OMPD_master: |
13884 | case OMPD_masked: |
13885 | case OMPD_critical: |
13886 | case OMPD_taskgroup: |
13887 | case OMPD_distribute: |
13888 | case OMPD_ordered: |
13889 | case OMPD_atomic: |
13890 | case OMPD_distribute_simd: |
13891 | case OMPD_requires: |
13892 | llvm_unreachable("Unexpected OpenMP directive with device-clause")__builtin_unreachable(); |
13893 | case OMPD_unknown: |
13894 | default: |
13895 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13896 | } |
13897 | break; |
13898 | case OMPC_grainsize: |
13899 | case OMPC_num_tasks: |
13900 | case OMPC_final: |
13901 | case OMPC_priority: |
13902 | switch (DKind) { |
13903 | case OMPD_task: |
13904 | case OMPD_taskloop: |
13905 | case OMPD_taskloop_simd: |
13906 | case OMPD_master_taskloop: |
13907 | case OMPD_master_taskloop_simd: |
13908 | break; |
13909 | case OMPD_parallel_master_taskloop: |
13910 | case OMPD_parallel_master_taskloop_simd: |
13911 | CaptureRegion = OMPD_parallel; |
13912 | break; |
13913 | case OMPD_target_update: |
13914 | case OMPD_target_enter_data: |
13915 | case OMPD_target_exit_data: |
13916 | case OMPD_target: |
13917 | case OMPD_target_simd: |
13918 | case OMPD_target_teams: |
13919 | case OMPD_target_parallel: |
13920 | case OMPD_target_teams_distribute: |
13921 | case OMPD_target_teams_distribute_simd: |
13922 | case OMPD_target_parallel_for: |
13923 | case OMPD_target_parallel_for_simd: |
13924 | case OMPD_target_teams_distribute_parallel_for: |
13925 | case OMPD_target_teams_distribute_parallel_for_simd: |
13926 | case OMPD_target_data: |
13927 | case OMPD_teams_distribute_parallel_for: |
13928 | case OMPD_teams_distribute_parallel_for_simd: |
13929 | case OMPD_teams: |
13930 | case OMPD_teams_distribute: |
13931 | case OMPD_teams_distribute_simd: |
13932 | case OMPD_distribute_parallel_for: |
13933 | case OMPD_distribute_parallel_for_simd: |
13934 | case OMPD_cancel: |
13935 | case OMPD_parallel: |
13936 | case OMPD_parallel_master: |
13937 | case OMPD_parallel_sections: |
13938 | case OMPD_parallel_for: |
13939 | case OMPD_parallel_for_simd: |
13940 | case OMPD_threadprivate: |
13941 | case OMPD_allocate: |
13942 | case OMPD_taskyield: |
13943 | case OMPD_barrier: |
13944 | case OMPD_taskwait: |
13945 | case OMPD_cancellation_point: |
13946 | case OMPD_flush: |
13947 | case OMPD_depobj: |
13948 | case OMPD_scan: |
13949 | case OMPD_declare_reduction: |
13950 | case OMPD_declare_mapper: |
13951 | case OMPD_declare_simd: |
13952 | case OMPD_declare_variant: |
13953 | case OMPD_begin_declare_variant: |
13954 | case OMPD_end_declare_variant: |
13955 | case OMPD_declare_target: |
13956 | case OMPD_end_declare_target: |
13957 | case OMPD_simd: |
13958 | case OMPD_tile: |
13959 | case OMPD_unroll: |
13960 | case OMPD_for: |
13961 | case OMPD_for_simd: |
13962 | case OMPD_sections: |
13963 | case OMPD_section: |
13964 | case OMPD_single: |
13965 | case OMPD_master: |
13966 | case OMPD_masked: |
13967 | case OMPD_critical: |
13968 | case OMPD_taskgroup: |
13969 | case OMPD_distribute: |
13970 | case OMPD_ordered: |
13971 | case OMPD_atomic: |
13972 | case OMPD_distribute_simd: |
13973 | case OMPD_requires: |
13974 | llvm_unreachable("Unexpected OpenMP directive with grainsize-clause")__builtin_unreachable(); |
13975 | case OMPD_unknown: |
13976 | default: |
13977 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); |
13978 | } |
13979 | break; |
13980 | case OMPC_novariants: |
13981 | case OMPC_nocontext: |
13982 | switch (DKind) { |
13983 | case OMPD_dispatch: |
13984 | CaptureRegion = OMPD_task; |
13985 | break; |
13986 | default: |
13987 | llvm_unreachable("Unexpected OpenMP directive")__builtin_unreachable(); |
13988 | } |
13989 | break; |
13990 | case OMPC_filter: |
13991 | // Do not capture filter-clause expressions. |
13992 | break; |
13993 | case OMPC_firstprivate: |
13994 | case OMPC_lastprivate: |
13995 | case OMPC_reduction: |
13996 | case OMPC_task_reduction: |
13997 | case OMPC_in_reduction: |
13998 | case OMPC_linear: |
13999 | case OMPC_default: |
14000 | case OMPC_proc_bind: |
14001 | case OMPC_safelen: |
14002 | case OMPC_simdlen: |
14003 | case OMPC_sizes: |
14004 | case OMPC_allocator: |
14005 | case OMPC_collapse: |
14006 | case OMPC_private: |
14007 | case OMPC_shared: |
14008 | case OMPC_aligned: |
14009 | case OMPC_copyin: |
14010 | case OMPC_copyprivate: |
14011 | case OMPC_ordered: |
14012 | case OMPC_nowait: |
14013 | case OMPC_untied: |
14014 | case OMPC_mergeable: |
14015 | case OMPC_threadprivate: |
14016 | case OMPC_allocate: |
14017 | case OMPC_flush: |
14018 | case OMPC_depobj: |
14019 | case OMPC_read: |
14020 | case OMPC_write: |
14021 | case OMPC_update: |
14022 | case OMPC_capture: |
14023 | case OMPC_seq_cst: |
14024 | case OMPC_acq_rel: |
14025 | case OMPC_acquire: |
14026 | case OMPC_release: |
14027 | case OMPC_relaxed: |
14028 | case OMPC_depend: |
14029 | case OMPC_threads: |
14030 | case OMPC_simd: |
14031 | case OMPC_map: |
14032 | case OMPC_nogroup: |
14033 | case OMPC_hint: |
14034 | case OMPC_defaultmap: |
14035 | case OMPC_unknown: |
14036 | case OMPC_uniform: |
14037 | case OMPC_to: |
14038 | case OMPC_from: |
14039 | case OMPC_use_device_ptr: |
14040 | case OMPC_use_device_addr: |
14041 | case OMPC_is_device_ptr: |
14042 | case OMPC_unified_address: |
14043 | case OMPC_unified_shared_memory: |
14044 | case OMPC_reverse_offload: |
14045 | case OMPC_dynamic_allocators: |
14046 | case OMPC_atomic_default_mem_order: |
14047 | case OMPC_device_type: |
14048 | case OMPC_match: |
14049 | case OMPC_nontemporal: |
14050 | case OMPC_order: |
14051 | case OMPC_destroy: |
14052 | case OMPC_detach: |
14053 | case OMPC_inclusive: |
14054 | case OMPC_exclusive: |
14055 | case OMPC_uses_allocators: |
14056 | case OMPC_affinity: |
14057 | default: |
14058 | llvm_unreachable("Unexpected OpenMP clause.")__builtin_unreachable(); |
14059 | } |
14060 | return CaptureRegion; |
14061 | } |
14062 | |
14063 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, |
14064 | Expr *Condition, SourceLocation StartLoc, |
14065 | SourceLocation LParenLoc, |
14066 | SourceLocation NameModifierLoc, |
14067 | SourceLocation ColonLoc, |
14068 | SourceLocation EndLoc) { |
14069 | Expr *ValExpr = Condition; |
14070 | Stmt *HelperValStmt = nullptr; |
14071 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
14072 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
14073 | !Condition->isInstantiationDependent() && |
14074 | !Condition->containsUnexpandedParameterPack()) { |
14075 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
14076 | if (Val.isInvalid()) |
14077 | return nullptr; |
14078 | |
14079 | ValExpr = Val.get(); |
14080 | |
14081 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
14082 | CaptureRegion = getOpenMPCaptureRegionForClause( |
14083 | DKind, OMPC_if, LangOpts.OpenMP, NameModifier); |
14084 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
14085 | ValExpr = MakeFullExpr(ValExpr).get(); |
14086 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
14087 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
14088 | HelperValStmt = buildPreInits(Context, Captures); |
14089 | } |
14090 | } |
14091 | |
14092 | return new (Context) |
14093 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, |
14094 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); |
14095 | } |
14096 | |
14097 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, |
14098 | SourceLocation StartLoc, |
14099 | SourceLocation LParenLoc, |
14100 | SourceLocation EndLoc) { |
14101 | Expr *ValExpr = Condition; |
14102 | Stmt *HelperValStmt = nullptr; |
14103 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
14104 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
14105 | !Condition->isInstantiationDependent() && |
14106 | !Condition->containsUnexpandedParameterPack()) { |
14107 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
14108 | if (Val.isInvalid()) |
14109 | return nullptr; |
14110 | |
14111 | ValExpr = MakeFullExpr(Val.get()).get(); |
14112 | |
14113 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
14114 | CaptureRegion = |
14115 | getOpenMPCaptureRegionForClause(DKind, OMPC_final, LangOpts.OpenMP); |
14116 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
14117 | ValExpr = MakeFullExpr(ValExpr).get(); |
14118 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
14119 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
14120 | HelperValStmt = buildPreInits(Context, Captures); |
14121 | } |
14122 | } |
14123 | |
14124 | return new (Context) OMPFinalClause(ValExpr, HelperValStmt, CaptureRegion, |
14125 | StartLoc, LParenLoc, EndLoc); |
14126 | } |
14127 | |
14128 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, |
14129 | Expr *Op) { |
14130 | if (!Op) |
14131 | return ExprError(); |
14132 | |
14133 | class IntConvertDiagnoser : public ICEConvertDiagnoser { |
14134 | public: |
14135 | IntConvertDiagnoser() |
14136 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} |
14137 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, |
14138 | QualType T) override { |
14139 | return S.Diag(Loc, diag::err_omp_not_integral) << T; |
14140 | } |
14141 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, |
14142 | QualType T) override { |
14143 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; |
14144 | } |
14145 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, |
14146 | QualType T, |
14147 | QualType ConvTy) override { |
14148 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; |
14149 | } |
14150 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, |
14151 | QualType ConvTy) override { |
14152 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) |
14153 | << ConvTy->isEnumeralType() << ConvTy; |
14154 | } |
14155 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, |
14156 | QualType T) override { |
14157 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; |
14158 | } |
14159 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, |
14160 | QualType ConvTy) override { |
14161 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) |
14162 | << ConvTy->isEnumeralType() << ConvTy; |
14163 | } |
14164 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, |
14165 | QualType) override { |
14166 | llvm_unreachable("conversion functions are permitted")__builtin_unreachable(); |
14167 | } |
14168 | } ConvertDiagnoser; |
14169 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); |
14170 | } |
14171 | |
14172 | static bool |
14173 | isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, |
14174 | bool StrictlyPositive, bool BuildCapture = false, |
14175 | OpenMPDirectiveKind DKind = OMPD_unknown, |
14176 | OpenMPDirectiveKind *CaptureRegion = nullptr, |
14177 | Stmt **HelperValStmt = nullptr) { |
14178 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && |
14179 | !ValExpr->isInstantiationDependent()) { |
14180 | SourceLocation Loc = ValExpr->getExprLoc(); |
14181 | ExprResult Value = |
14182 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); |
14183 | if (Value.isInvalid()) |
14184 | return false; |
14185 | |
14186 | ValExpr = Value.get(); |
14187 | // The expression must evaluate to a non-negative integer value. |
14188 | if (Optional<llvm::APSInt> Result = |
14189 | ValExpr->getIntegerConstantExpr(SemaRef.Context)) { |
14190 | if (Result->isSigned() && |
14191 | !((!StrictlyPositive && Result->isNonNegative()) || |
14192 | (StrictlyPositive && Result->isStrictlyPositive()))) { |
14193 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) |
14194 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) |
14195 | << ValExpr->getSourceRange(); |
14196 | return false; |
14197 | } |
14198 | } |
14199 | if (!BuildCapture) |
14200 | return true; |
14201 | *CaptureRegion = |
14202 | getOpenMPCaptureRegionForClause(DKind, CKind, SemaRef.LangOpts.OpenMP); |
14203 | if (*CaptureRegion != OMPD_unknown && |
14204 | !SemaRef.CurContext->isDependentContext()) { |
14205 | ValExpr = SemaRef.MakeFullExpr(ValExpr).get(); |
14206 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
14207 | ValExpr = tryBuildCapture(SemaRef, ValExpr, Captures).get(); |
14208 | *HelperValStmt = buildPreInits(SemaRef.Context, Captures); |
14209 | } |
14210 | } |
14211 | return true; |
14212 | } |
14213 | |
14214 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, |
14215 | SourceLocation StartLoc, |
14216 | SourceLocation LParenLoc, |
14217 | SourceLocation EndLoc) { |
14218 | Expr *ValExpr = NumThreads; |
14219 | Stmt *HelperValStmt = nullptr; |
14220 | |
14221 | // OpenMP [2.5, Restrictions] |
14222 | // The num_threads expression must evaluate to a positive integer value. |
14223 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, |
14224 | /*StrictlyPositive=*/true)) |
14225 | return nullptr; |
14226 | |
14227 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
14228 | OpenMPDirectiveKind CaptureRegion = |
14229 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads, LangOpts.OpenMP); |
14230 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
14231 | ValExpr = MakeFullExpr(ValExpr).get(); |
14232 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
14233 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
14234 | HelperValStmt = buildPreInits(Context, Captures); |
14235 | } |
14236 | |
14237 | return new (Context) OMPNumThreadsClause( |
14238 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
14239 | } |
14240 | |
14241 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, |
14242 | OpenMPClauseKind CKind, |
14243 | bool StrictlyPositive, |
14244 | bool SuppressExprDiags) { |
14245 | if (!E) |
14246 | return ExprError(); |
14247 | if (E->isValueDependent() || E->isTypeDependent() || |
14248 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
14249 | return E; |
14250 | |
14251 | llvm::APSInt Result; |
14252 | ExprResult ICE; |
14253 | if (SuppressExprDiags) { |
14254 | // Use a custom diagnoser that suppresses 'note' diagnostics about the |
14255 | // expression. |
14256 | struct SuppressedDiagnoser : public Sema::VerifyICEDiagnoser { |
14257 | SuppressedDiagnoser() : VerifyICEDiagnoser(/*Suppress=*/true) {} |
14258 | Sema::SemaDiagnosticBuilder diagnoseNotICE(Sema &S, |
14259 | SourceLocation Loc) override { |
14260 | llvm_unreachable("Diagnostic suppressed")__builtin_unreachable(); |
14261 | } |
14262 | } Diagnoser; |
14263 | ICE = VerifyIntegerConstantExpression(E, &Result, Diagnoser, AllowFold); |
14264 | } else { |
14265 | ICE = VerifyIntegerConstantExpression(E, &Result, /*FIXME*/ AllowFold); |
14266 | } |
14267 | if (ICE.isInvalid()) |
14268 | return ExprError(); |
14269 | |
14270 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || |
14271 | (!StrictlyPositive && !Result.isNonNegative())) { |
14272 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) |
14273 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) |
14274 | << E->getSourceRange(); |
14275 | return ExprError(); |
14276 | } |
14277 | if (CKind == OMPC_aligned && !Result.isPowerOf2()) { |
14278 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) |
14279 | << E->getSourceRange(); |
14280 | return ExprError(); |
14281 | } |
14282 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) |
14283 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); |
14284 | else if (CKind == OMPC_ordered) |
14285 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); |
14286 | return ICE; |
14287 | } |
14288 | |
14289 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, |
14290 | SourceLocation LParenLoc, |
14291 | SourceLocation EndLoc) { |
14292 | // OpenMP [2.8.1, simd construct, Description] |
14293 | // The parameter of the safelen clause must be a constant |
14294 | // positive integer expression. |
14295 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); |
14296 | if (Safelen.isInvalid()) |
14297 | return nullptr; |
14298 | return new (Context) |
14299 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); |
14300 | } |
14301 | |
14302 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, |
14303 | SourceLocation LParenLoc, |
14304 | SourceLocation EndLoc) { |
14305 | // OpenMP [2.8.1, simd construct, Description] |
14306 | // The parameter of the simdlen clause must be a constant |
14307 | // positive integer expression. |
14308 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); |
14309 | if (Simdlen.isInvalid()) |
14310 | return nullptr; |
14311 | return new (Context) |
14312 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); |
14313 | } |
14314 | |
14315 | /// Tries to find omp_allocator_handle_t type. |
14316 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, |
14317 | DSAStackTy *Stack) { |
14318 | QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); |
14319 | if (!OMPAllocatorHandleT.isNull()) |
14320 | return true; |
14321 | // Build the predefined allocator expressions. |
14322 | bool ErrorFound = false; |
14323 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
14324 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
14325 | StringRef Allocator = |
14326 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); |
14327 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); |
14328 | auto *VD = dyn_cast_or_null<ValueDecl>( |
14329 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); |
14330 | if (!VD) { |
14331 | ErrorFound = true; |
14332 | break; |
14333 | } |
14334 | QualType AllocatorType = |
14335 | VD->getType().getNonLValueExprType(S.getASTContext()); |
14336 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); |
14337 | if (!Res.isUsable()) { |
14338 | ErrorFound = true; |
14339 | break; |
14340 | } |
14341 | if (OMPAllocatorHandleT.isNull()) |
14342 | OMPAllocatorHandleT = AllocatorType; |
14343 | if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { |
14344 | ErrorFound = true; |
14345 | break; |
14346 | } |
14347 | Stack->setAllocator(AllocatorKind, Res.get()); |
14348 | } |
14349 | if (ErrorFound) { |
14350 | S.Diag(Loc, diag::err_omp_implied_type_not_found) |
14351 | << "omp_allocator_handle_t"; |
14352 | return false; |
14353 | } |
14354 | OMPAllocatorHandleT.addConst(); |
14355 | Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); |
14356 | return true; |
14357 | } |
14358 | |
14359 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, |
14360 | SourceLocation LParenLoc, |
14361 | SourceLocation EndLoc) { |
14362 | // OpenMP [2.11.3, allocate Directive, Description] |
14363 | // allocator is an expression of omp_allocator_handle_t type. |
14364 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
14365 | return nullptr; |
14366 | |
14367 | ExprResult Allocator = DefaultLvalueConversion(A); |
14368 | if (Allocator.isInvalid()) |
14369 | return nullptr; |
14370 | Allocator = PerformImplicitConversion(Allocator.get(), |
14371 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
14372 | Sema::AA_Initializing, |
14373 | /*AllowExplicit=*/true); |
14374 | if (Allocator.isInvalid()) |
14375 | return nullptr; |
14376 | return new (Context) |
14377 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); |
14378 | } |
14379 | |
14380 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, |
14381 | SourceLocation StartLoc, |
14382 | SourceLocation LParenLoc, |
14383 | SourceLocation EndLoc) { |
14384 | // OpenMP [2.7.1, loop construct, Description] |
14385 | // OpenMP [2.8.1, simd construct, Description] |
14386 | // OpenMP [2.9.6, distribute construct, Description] |
14387 | // The parameter of the collapse clause must be a constant |
14388 | // positive integer expression. |
14389 | ExprResult NumForLoopsResult = |
14390 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); |
14391 | if (NumForLoopsResult.isInvalid()) |
14392 | return nullptr; |
14393 | return new (Context) |
14394 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); |
14395 | } |
14396 | |
14397 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, |
14398 | SourceLocation EndLoc, |
14399 | SourceLocation LParenLoc, |
14400 | Expr *NumForLoops) { |
14401 | // OpenMP [2.7.1, loop construct, Description] |
14402 | // OpenMP [2.8.1, simd construct, Description] |
14403 | // OpenMP [2.9.6, distribute construct, Description] |
14404 | // The parameter of the ordered clause must be a constant |
14405 | // positive integer expression if any. |
14406 | if (NumForLoops && LParenLoc.isValid()) { |
14407 | ExprResult NumForLoopsResult = |
14408 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); |
14409 | if (NumForLoopsResult.isInvalid()) |
14410 | return nullptr; |
14411 | NumForLoops = NumForLoopsResult.get(); |
14412 | } else { |
14413 | NumForLoops = nullptr; |
14414 | } |
14415 | auto *Clause = OMPOrderedClause::Create( |
14416 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, |
14417 | StartLoc, LParenLoc, EndLoc); |
14418 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); |
14419 | return Clause; |
14420 | } |
14421 | |
14422 | OMPClause *Sema::ActOnOpenMPSimpleClause( |
14423 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, |
14424 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
14425 | OMPClause *Res = nullptr; |
14426 | switch (Kind) { |
14427 | case OMPC_default: |
14428 | Res = ActOnOpenMPDefaultClause(static_cast<DefaultKind>(Argument), |
14429 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
14430 | break; |
14431 | case OMPC_proc_bind: |
14432 | Res = ActOnOpenMPProcBindClause(static_cast<ProcBindKind>(Argument), |
14433 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
14434 | break; |
14435 | case OMPC_atomic_default_mem_order: |
14436 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( |
14437 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), |
14438 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
14439 | break; |
14440 | case OMPC_order: |
14441 | Res = ActOnOpenMPOrderClause(static_cast<OpenMPOrderClauseKind>(Argument), |
14442 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
14443 | break; |
14444 | case OMPC_update: |
14445 | Res = ActOnOpenMPUpdateClause(static_cast<OpenMPDependClauseKind>(Argument), |
14446 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); |
14447 | break; |
14448 | case OMPC_if: |
14449 | case OMPC_final: |
14450 | case OMPC_num_threads: |
14451 | case OMPC_safelen: |
14452 | case OMPC_simdlen: |
14453 | case OMPC_sizes: |
14454 | case OMPC_allocator: |
14455 | case OMPC_collapse: |
14456 | case OMPC_schedule: |
14457 | case OMPC_private: |
14458 | case OMPC_firstprivate: |
14459 | case OMPC_lastprivate: |
14460 | case OMPC_shared: |
14461 | case OMPC_reduction: |
14462 | case OMPC_task_reduction: |
14463 | case OMPC_in_reduction: |
14464 | case OMPC_linear: |
14465 | case OMPC_aligned: |
14466 | case OMPC_copyin: |
14467 | case OMPC_copyprivate: |
14468 | case OMPC_ordered: |
14469 | case OMPC_nowait: |
14470 | case OMPC_untied: |
14471 | case OMPC_mergeable: |
14472 | case OMPC_threadprivate: |
14473 | case OMPC_allocate: |
14474 | case OMPC_flush: |
14475 | case OMPC_depobj: |
14476 | case OMPC_read: |
14477 | case OMPC_write: |
14478 | case OMPC_capture: |
14479 | case OMPC_seq_cst: |
14480 | case OMPC_acq_rel: |
14481 | case OMPC_acquire: |
14482 | case OMPC_release: |
14483 | case OMPC_relaxed: |
14484 | case OMPC_depend: |
14485 | case OMPC_device: |
14486 | case OMPC_threads: |
14487 | case OMPC_simd: |
14488 | case OMPC_map: |
14489 | case OMPC_num_teams: |
14490 | case OMPC_thread_limit: |
14491 | case OMPC_priority: |
14492 | case OMPC_grainsize: |
14493 | case OMPC_nogroup: |
14494 | case OMPC_num_tasks: |
14495 | case OMPC_hint: |
14496 | case OMPC_dist_schedule: |
14497 | case OMPC_defaultmap: |
14498 | case OMPC_unknown: |
14499 | case OMPC_uniform: |
14500 | case OMPC_to: |
14501 | case OMPC_from: |
14502 | case OMPC_use_device_ptr: |
14503 | case OMPC_use_device_addr: |
14504 | case OMPC_is_device_ptr: |
14505 | case OMPC_unified_address: |
14506 | case OMPC_unified_shared_memory: |
14507 | case OMPC_reverse_offload: |
14508 | case OMPC_dynamic_allocators: |
14509 | case OMPC_device_type: |
14510 | case OMPC_match: |
14511 | case OMPC_nontemporal: |
14512 | case OMPC_destroy: |
14513 | case OMPC_novariants: |
14514 | case OMPC_nocontext: |
14515 | case OMPC_detach: |
14516 | case OMPC_inclusive: |
14517 | case OMPC_exclusive: |
14518 | case OMPC_uses_allocators: |
14519 | case OMPC_affinity: |
14520 | default: |
14521 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); |
14522 | } |
14523 | return Res; |
14524 | } |
14525 | |
14526 | static std::string |
14527 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, |
14528 | ArrayRef<unsigned> Exclude = llvm::None) { |
14529 | SmallString<256> Buffer; |
14530 | llvm::raw_svector_ostream Out(Buffer); |
14531 | unsigned Skipped = Exclude.size(); |
14532 | auto S = Exclude.begin(), E = Exclude.end(); |
14533 | for (unsigned I = First; I < Last; ++I) { |
14534 | if (std::find(S, E, I) != E) { |
14535 | --Skipped; |
14536 | continue; |
14537 | } |
14538 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; |
14539 | if (I + Skipped + 2 == Last) |
14540 | Out << " or "; |
14541 | else if (I + Skipped + 1 != Last) |
14542 | Out << ", "; |
14543 | } |
14544 | return std::string(Out.str()); |
14545 | } |
14546 | |
14547 | OMPClause *Sema::ActOnOpenMPDefaultClause(DefaultKind Kind, |
14548 | SourceLocation KindKwLoc, |
14549 | SourceLocation StartLoc, |
14550 | SourceLocation LParenLoc, |
14551 | SourceLocation EndLoc) { |
14552 | if (Kind == OMP_DEFAULT_unknown) { |
14553 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
14554 | << getListOfPossibleValues(OMPC_default, /*First=*/0, |
14555 | /*Last=*/unsigned(OMP_DEFAULT_unknown)) |
14556 | << getOpenMPClauseName(OMPC_default); |
14557 | return nullptr; |
14558 | } |
14559 | |
14560 | switch (Kind) { |
14561 | case OMP_DEFAULT_none: |
14562 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); |
14563 | break; |
14564 | case OMP_DEFAULT_shared: |
14565 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); |
14566 | break; |
14567 | case OMP_DEFAULT_firstprivate: |
14568 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAFirstPrivate(KindKwLoc); |
14569 | break; |
14570 | default: |
14571 | llvm_unreachable("DSA unexpected in OpenMP default clause")__builtin_unreachable(); |
14572 | } |
14573 | |
14574 | return new (Context) |
14575 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
14576 | } |
14577 | |
14578 | OMPClause *Sema::ActOnOpenMPProcBindClause(ProcBindKind Kind, |
14579 | SourceLocation KindKwLoc, |
14580 | SourceLocation StartLoc, |
14581 | SourceLocation LParenLoc, |
14582 | SourceLocation EndLoc) { |
14583 | if (Kind == OMP_PROC_BIND_unknown) { |
14584 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
14585 | << getListOfPossibleValues(OMPC_proc_bind, |
14586 | /*First=*/unsigned(OMP_PROC_BIND_master), |
14587 | /*Last=*/ |
14588 | unsigned(LangOpts.OpenMP > 50 |
14589 | ? OMP_PROC_BIND_primary |
14590 | : OMP_PROC_BIND_spread) + |
14591 | 1) |
14592 | << getOpenMPClauseName(OMPC_proc_bind); |
14593 | return nullptr; |
14594 | } |
14595 | if (Kind == OMP_PROC_BIND_primary && LangOpts.OpenMP < 51) |
14596 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
14597 | << getListOfPossibleValues(OMPC_proc_bind, |
14598 | /*First=*/unsigned(OMP_PROC_BIND_master), |
14599 | /*Last=*/ |
14600 | unsigned(OMP_PROC_BIND_spread) + 1) |
14601 | << getOpenMPClauseName(OMPC_proc_bind); |
14602 | return new (Context) |
14603 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
14604 | } |
14605 | |
14606 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( |
14607 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, |
14608 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
14609 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { |
14610 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
14611 | << getListOfPossibleValues( |
14612 | OMPC_atomic_default_mem_order, /*First=*/0, |
14613 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) |
14614 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); |
14615 | return nullptr; |
14616 | } |
14617 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, |
14618 | LParenLoc, EndLoc); |
14619 | } |
14620 | |
14621 | OMPClause *Sema::ActOnOpenMPOrderClause(OpenMPOrderClauseKind Kind, |
14622 | SourceLocation KindKwLoc, |
14623 | SourceLocation StartLoc, |
14624 | SourceLocation LParenLoc, |
14625 | SourceLocation EndLoc) { |
14626 | if (Kind == OMPC_ORDER_unknown) { |
14627 | static_assert(OMPC_ORDER_unknown > 0, |
14628 | "OMPC_ORDER_unknown not greater than 0"); |
14629 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
14630 | << getListOfPossibleValues(OMPC_order, /*First=*/0, |
14631 | /*Last=*/OMPC_ORDER_unknown) |
14632 | << getOpenMPClauseName(OMPC_order); |
14633 | return nullptr; |
14634 | } |
14635 | return new (Context) |
14636 | OMPOrderClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); |
14637 | } |
14638 | |
14639 | OMPClause *Sema::ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, |
14640 | SourceLocation KindKwLoc, |
14641 | SourceLocation StartLoc, |
14642 | SourceLocation LParenLoc, |
14643 | SourceLocation EndLoc) { |
14644 | if (Kind == OMPC_DEPEND_unknown || Kind == OMPC_DEPEND_source || |
14645 | Kind == OMPC_DEPEND_sink || Kind == OMPC_DEPEND_depobj) { |
14646 | unsigned Except[] = {OMPC_DEPEND_source, OMPC_DEPEND_sink, |
14647 | OMPC_DEPEND_depobj}; |
14648 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) |
14649 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, |
14650 | /*Last=*/OMPC_DEPEND_unknown, Except) |
14651 | << getOpenMPClauseName(OMPC_update); |
14652 | return nullptr; |
14653 | } |
14654 | return OMPUpdateClause::Create(Context, StartLoc, LParenLoc, KindKwLoc, Kind, |
14655 | EndLoc); |
14656 | } |
14657 | |
14658 | OMPClause *Sema::ActOnOpenMPSizesClause(ArrayRef<Expr *> SizeExprs, |
14659 | SourceLocation StartLoc, |
14660 | SourceLocation LParenLoc, |
14661 | SourceLocation EndLoc) { |
14662 | for (Expr *SizeExpr : SizeExprs) { |
14663 | ExprResult NumForLoopsResult = VerifyPositiveIntegerConstantInClause( |
14664 | SizeExpr, OMPC_sizes, /*StrictlyPositive=*/true); |
14665 | if (!NumForLoopsResult.isUsable()) |
14666 | return nullptr; |
14667 | } |
14668 | |
14669 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(SizeExprs.size()); |
14670 | return OMPSizesClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
14671 | SizeExprs); |
14672 | } |
14673 | |
14674 | OMPClause *Sema::ActOnOpenMPFullClause(SourceLocation StartLoc, |
14675 | SourceLocation EndLoc) { |
14676 | return OMPFullClause::Create(Context, StartLoc, EndLoc); |
14677 | } |
14678 | |
14679 | OMPClause *Sema::ActOnOpenMPPartialClause(Expr *FactorExpr, |
14680 | SourceLocation StartLoc, |
14681 | SourceLocation LParenLoc, |
14682 | SourceLocation EndLoc) { |
14683 | if (FactorExpr) { |
14684 | // If an argument is specified, it must be a constant (or an unevaluated |
14685 | // template expression). |
14686 | ExprResult FactorResult = VerifyPositiveIntegerConstantInClause( |
14687 | FactorExpr, OMPC_partial, /*StrictlyPositive=*/true); |
14688 | if (FactorResult.isInvalid()) |
14689 | return nullptr; |
14690 | FactorExpr = FactorResult.get(); |
14691 | } |
14692 | |
14693 | return OMPPartialClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
14694 | FactorExpr); |
14695 | } |
14696 | |
14697 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( |
14698 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, |
14699 | SourceLocation StartLoc, SourceLocation LParenLoc, |
14700 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, |
14701 | SourceLocation EndLoc) { |
14702 | OMPClause *Res = nullptr; |
14703 | switch (Kind) { |
14704 | case OMPC_schedule: |
14705 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; |
14706 | assert(Argument.size() == NumberOfElements &&(static_cast<void> (0)) |
14707 | ArgumentLoc.size() == NumberOfElements)(static_cast<void> (0)); |
14708 | Res = ActOnOpenMPScheduleClause( |
14709 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), |
14710 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), |
14711 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, |
14712 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], |
14713 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); |
14714 | break; |
14715 | case OMPC_if: |
14716 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)(static_cast<void> (0)); |
14717 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), |
14718 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), |
14719 | DelimLoc, EndLoc); |
14720 | break; |
14721 | case OMPC_dist_schedule: |
14722 | Res = ActOnOpenMPDistScheduleClause( |
14723 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, |
14724 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); |
14725 | break; |
14726 | case OMPC_defaultmap: |
14727 | enum { Modifier, DefaultmapKind }; |
14728 | Res = ActOnOpenMPDefaultmapClause( |
14729 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), |
14730 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), |
14731 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], |
14732 | EndLoc); |
14733 | break; |
14734 | case OMPC_device: |
14735 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)(static_cast<void> (0)); |
14736 | Res = ActOnOpenMPDeviceClause( |
14737 | static_cast<OpenMPDeviceClauseModifier>(Argument.back()), Expr, |
14738 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); |
14739 | break; |
14740 | case OMPC_final: |
14741 | case OMPC_num_threads: |
14742 | case OMPC_safelen: |
14743 | case OMPC_simdlen: |
14744 | case OMPC_sizes: |
14745 | case OMPC_allocator: |
14746 | case OMPC_collapse: |
14747 | case OMPC_default: |
14748 | case OMPC_proc_bind: |
14749 | case OMPC_private: |
14750 | case OMPC_firstprivate: |
14751 | case OMPC_lastprivate: |
14752 | case OMPC_shared: |
14753 | case OMPC_reduction: |
14754 | case OMPC_task_reduction: |
14755 | case OMPC_in_reduction: |
14756 | case OMPC_linear: |
14757 | case OMPC_aligned: |
14758 | case OMPC_copyin: |
14759 | case OMPC_copyprivate: |
14760 | case OMPC_ordered: |
14761 | case OMPC_nowait: |
14762 | case OMPC_untied: |
14763 | case OMPC_mergeable: |
14764 | case OMPC_threadprivate: |
14765 | case OMPC_allocate: |
14766 | case OMPC_flush: |
14767 | case OMPC_depobj: |
14768 | case OMPC_read: |
14769 | case OMPC_write: |
14770 | case OMPC_update: |
14771 | case OMPC_capture: |
14772 | case OMPC_seq_cst: |
14773 | case OMPC_acq_rel: |
14774 | case OMPC_acquire: |
14775 | case OMPC_release: |
14776 | case OMPC_relaxed: |
14777 | case OMPC_depend: |
14778 | case OMPC_threads: |
14779 | case OMPC_simd: |
14780 | case OMPC_map: |
14781 | case OMPC_num_teams: |
14782 | case OMPC_thread_limit: |
14783 | case OMPC_priority: |
14784 | case OMPC_grainsize: |
14785 | case OMPC_nogroup: |
14786 | case OMPC_num_tasks: |
14787 | case OMPC_hint: |
14788 | case OMPC_unknown: |
14789 | case OMPC_uniform: |
14790 | case OMPC_to: |
14791 | case OMPC_from: |
14792 | case OMPC_use_device_ptr: |
14793 | case OMPC_use_device_addr: |
14794 | case OMPC_is_device_ptr: |
14795 | case OMPC_unified_address: |
14796 | case OMPC_unified_shared_memory: |
14797 | case OMPC_reverse_offload: |
14798 | case OMPC_dynamic_allocators: |
14799 | case OMPC_atomic_default_mem_order: |
14800 | case OMPC_device_type: |
14801 | case OMPC_match: |
14802 | case OMPC_nontemporal: |
14803 | case OMPC_order: |
14804 | case OMPC_destroy: |
14805 | case OMPC_novariants: |
14806 | case OMPC_nocontext: |
14807 | case OMPC_detach: |
14808 | case OMPC_inclusive: |
14809 | case OMPC_exclusive: |
14810 | case OMPC_uses_allocators: |
14811 | case OMPC_affinity: |
14812 | default: |
14813 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); |
14814 | } |
14815 | return Res; |
14816 | } |
14817 | |
14818 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, |
14819 | OpenMPScheduleClauseModifier M2, |
14820 | SourceLocation M1Loc, SourceLocation M2Loc) { |
14821 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { |
14822 | SmallVector<unsigned, 2> Excluded; |
14823 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) |
14824 | Excluded.push_back(M2); |
14825 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) |
14826 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); |
14827 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) |
14828 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); |
14829 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) |
14830 | << getListOfPossibleValues(OMPC_schedule, |
14831 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, |
14832 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, |
14833 | Excluded) |
14834 | << getOpenMPClauseName(OMPC_schedule); |
14835 | return true; |
14836 | } |
14837 | return false; |
14838 | } |
14839 | |
14840 | OMPClause *Sema::ActOnOpenMPScheduleClause( |
14841 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, |
14842 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, |
14843 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, |
14844 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { |
14845 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || |
14846 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) |
14847 | return nullptr; |
14848 | // OpenMP, 2.7.1, Loop Construct, Restrictions |
14849 | // Either the monotonic modifier or the nonmonotonic modifier can be specified |
14850 | // but not both. |
14851 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || |
14852 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && |
14853 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || |
14854 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && |
14855 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { |
14856 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) |
14857 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) |
14858 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); |
14859 | return nullptr; |
14860 | } |
14861 | if (Kind == OMPC_SCHEDULE_unknown) { |
14862 | std::string Values; |
14863 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { |
14864 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; |
14865 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, |
14866 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, |
14867 | Exclude); |
14868 | } else { |
14869 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, |
14870 | /*Last=*/OMPC_SCHEDULE_unknown); |
14871 | } |
14872 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
14873 | << Values << getOpenMPClauseName(OMPC_schedule); |
14874 | return nullptr; |
14875 | } |
14876 | // OpenMP, 2.7.1, Loop Construct, Restrictions |
14877 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or |
14878 | // schedule(guided). |
14879 | // OpenMP 5.0 does not have this restriction. |
14880 | if (LangOpts.OpenMP < 50 && |
14881 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || |
14882 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && |
14883 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { |
14884 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, |
14885 | diag::err_omp_schedule_nonmonotonic_static); |
14886 | return nullptr; |
14887 | } |
14888 | Expr *ValExpr = ChunkSize; |
14889 | Stmt *HelperValStmt = nullptr; |
14890 | if (ChunkSize) { |
14891 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && |
14892 | !ChunkSize->isInstantiationDependent() && |
14893 | !ChunkSize->containsUnexpandedParameterPack()) { |
14894 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); |
14895 | ExprResult Val = |
14896 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); |
14897 | if (Val.isInvalid()) |
14898 | return nullptr; |
14899 | |
14900 | ValExpr = Val.get(); |
14901 | |
14902 | // OpenMP [2.7.1, Restrictions] |
14903 | // chunk_size must be a loop invariant integer expression with a positive |
14904 | // value. |
14905 | if (Optional<llvm::APSInt> Result = |
14906 | ValExpr->getIntegerConstantExpr(Context)) { |
14907 | if (Result->isSigned() && !Result->isStrictlyPositive()) { |
14908 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) |
14909 | << "schedule" << 1 << ChunkSize->getSourceRange(); |
14910 | return nullptr; |
14911 | } |
14912 | } else if (getOpenMPCaptureRegionForClause( |
14913 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule, |
14914 | LangOpts.OpenMP) != OMPD_unknown && |
14915 | !CurContext->isDependentContext()) { |
14916 | ValExpr = MakeFullExpr(ValExpr).get(); |
14917 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
14918 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
14919 | HelperValStmt = buildPreInits(Context, Captures); |
14920 | } |
14921 | } |
14922 | } |
14923 | |
14924 | return new (Context) |
14925 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, |
14926 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); |
14927 | } |
14928 | |
14929 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, |
14930 | SourceLocation StartLoc, |
14931 | SourceLocation EndLoc) { |
14932 | OMPClause *Res = nullptr; |
14933 | switch (Kind) { |
14934 | case OMPC_ordered: |
14935 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); |
14936 | break; |
14937 | case OMPC_nowait: |
14938 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); |
14939 | break; |
14940 | case OMPC_untied: |
14941 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); |
14942 | break; |
14943 | case OMPC_mergeable: |
14944 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); |
14945 | break; |
14946 | case OMPC_read: |
14947 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); |
14948 | break; |
14949 | case OMPC_write: |
14950 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); |
14951 | break; |
14952 | case OMPC_update: |
14953 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); |
14954 | break; |
14955 | case OMPC_capture: |
14956 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); |
14957 | break; |
14958 | case OMPC_seq_cst: |
14959 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); |
14960 | break; |
14961 | case OMPC_acq_rel: |
14962 | Res = ActOnOpenMPAcqRelClause(StartLoc, EndLoc); |
14963 | break; |
14964 | case OMPC_acquire: |
14965 | Res = ActOnOpenMPAcquireClause(StartLoc, EndLoc); |
14966 | break; |
14967 | case OMPC_release: |
14968 | Res = ActOnOpenMPReleaseClause(StartLoc, EndLoc); |
14969 | break; |
14970 | case OMPC_relaxed: |
14971 | Res = ActOnOpenMPRelaxedClause(StartLoc, EndLoc); |
14972 | break; |
14973 | case OMPC_threads: |
14974 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); |
14975 | break; |
14976 | case OMPC_simd: |
14977 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); |
14978 | break; |
14979 | case OMPC_nogroup: |
14980 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); |
14981 | break; |
14982 | case OMPC_unified_address: |
14983 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); |
14984 | break; |
14985 | case OMPC_unified_shared_memory: |
14986 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); |
14987 | break; |
14988 | case OMPC_reverse_offload: |
14989 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); |
14990 | break; |
14991 | case OMPC_dynamic_allocators: |
14992 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); |
14993 | break; |
14994 | case OMPC_destroy: |
14995 | Res = ActOnOpenMPDestroyClause(/*InteropVar=*/nullptr, StartLoc, |
14996 | /*LParenLoc=*/SourceLocation(), |
14997 | /*VarLoc=*/SourceLocation(), EndLoc); |
14998 | break; |
14999 | case OMPC_full: |
15000 | Res = ActOnOpenMPFullClause(StartLoc, EndLoc); |
15001 | break; |
15002 | case OMPC_partial: |
15003 | Res = ActOnOpenMPPartialClause(nullptr, StartLoc, /*LParenLoc=*/{}, EndLoc); |
15004 | break; |
15005 | case OMPC_if: |
15006 | case OMPC_final: |
15007 | case OMPC_num_threads: |
15008 | case OMPC_safelen: |
15009 | case OMPC_simdlen: |
15010 | case OMPC_sizes: |
15011 | case OMPC_allocator: |
15012 | case OMPC_collapse: |
15013 | case OMPC_schedule: |
15014 | case OMPC_private: |
15015 | case OMPC_firstprivate: |
15016 | case OMPC_lastprivate: |
15017 | case OMPC_shared: |
15018 | case OMPC_reduction: |
15019 | case OMPC_task_reduction: |
15020 | case OMPC_in_reduction: |
15021 | case OMPC_linear: |
15022 | case OMPC_aligned: |
15023 | case OMPC_copyin: |
15024 | case OMPC_copyprivate: |
15025 | case OMPC_default: |
15026 | case OMPC_proc_bind: |
15027 | case OMPC_threadprivate: |
15028 | case OMPC_allocate: |
15029 | case OMPC_flush: |
15030 | case OMPC_depobj: |
15031 | case OMPC_depend: |
15032 | case OMPC_device: |
15033 | case OMPC_map: |
15034 | case OMPC_num_teams: |
15035 | case OMPC_thread_limit: |
15036 | case OMPC_priority: |
15037 | case OMPC_grainsize: |
15038 | case OMPC_num_tasks: |
15039 | case OMPC_hint: |
15040 | case OMPC_dist_schedule: |
15041 | case OMPC_defaultmap: |
15042 | case OMPC_unknown: |
15043 | case OMPC_uniform: |
15044 | case OMPC_to: |
15045 | case OMPC_from: |
15046 | case OMPC_use_device_ptr: |
15047 | case OMPC_use_device_addr: |
15048 | case OMPC_is_device_ptr: |
15049 | case OMPC_atomic_default_mem_order: |
15050 | case OMPC_device_type: |
15051 | case OMPC_match: |
15052 | case OMPC_nontemporal: |
15053 | case OMPC_order: |
15054 | case OMPC_novariants: |
15055 | case OMPC_nocontext: |
15056 | case OMPC_detach: |
15057 | case OMPC_inclusive: |
15058 | case OMPC_exclusive: |
15059 | case OMPC_uses_allocators: |
15060 | case OMPC_affinity: |
15061 | default: |
15062 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); |
15063 | } |
15064 | return Res; |
15065 | } |
15066 | |
15067 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, |
15068 | SourceLocation EndLoc) { |
15069 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); |
15070 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); |
15071 | } |
15072 | |
15073 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, |
15074 | SourceLocation EndLoc) { |
15075 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); |
15076 | } |
15077 | |
15078 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, |
15079 | SourceLocation EndLoc) { |
15080 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); |
15081 | } |
15082 | |
15083 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, |
15084 | SourceLocation EndLoc) { |
15085 | return new (Context) OMPReadClause(StartLoc, EndLoc); |
15086 | } |
15087 | |
15088 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, |
15089 | SourceLocation EndLoc) { |
15090 | return new (Context) OMPWriteClause(StartLoc, EndLoc); |
15091 | } |
15092 | |
15093 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, |
15094 | SourceLocation EndLoc) { |
15095 | return OMPUpdateClause::Create(Context, StartLoc, EndLoc); |
15096 | } |
15097 | |
15098 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, |
15099 | SourceLocation EndLoc) { |
15100 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); |
15101 | } |
15102 | |
15103 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, |
15104 | SourceLocation EndLoc) { |
15105 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); |
15106 | } |
15107 | |
15108 | OMPClause *Sema::ActOnOpenMPAcqRelClause(SourceLocation StartLoc, |
15109 | SourceLocation EndLoc) { |
15110 | return new (Context) OMPAcqRelClause(StartLoc, EndLoc); |
15111 | } |
15112 | |
15113 | OMPClause *Sema::ActOnOpenMPAcquireClause(SourceLocation StartLoc, |
15114 | SourceLocation EndLoc) { |
15115 | return new (Context) OMPAcquireClause(StartLoc, EndLoc); |
15116 | } |
15117 | |
15118 | OMPClause *Sema::ActOnOpenMPReleaseClause(SourceLocation StartLoc, |
15119 | SourceLocation EndLoc) { |
15120 | return new (Context) OMPReleaseClause(StartLoc, EndLoc); |
15121 | } |
15122 | |
15123 | OMPClause *Sema::ActOnOpenMPRelaxedClause(SourceLocation StartLoc, |
15124 | SourceLocation EndLoc) { |
15125 | return new (Context) OMPRelaxedClause(StartLoc, EndLoc); |
15126 | } |
15127 | |
15128 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, |
15129 | SourceLocation EndLoc) { |
15130 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); |
15131 | } |
15132 | |
15133 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, |
15134 | SourceLocation EndLoc) { |
15135 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); |
15136 | } |
15137 | |
15138 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, |
15139 | SourceLocation EndLoc) { |
15140 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); |
15141 | } |
15142 | |
15143 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, |
15144 | SourceLocation EndLoc) { |
15145 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); |
15146 | } |
15147 | |
15148 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, |
15149 | SourceLocation EndLoc) { |
15150 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); |
15151 | } |
15152 | |
15153 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, |
15154 | SourceLocation EndLoc) { |
15155 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); |
15156 | } |
15157 | |
15158 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, |
15159 | SourceLocation EndLoc) { |
15160 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); |
15161 | } |
15162 | |
15163 | StmtResult Sema::ActOnOpenMPInteropDirective(ArrayRef<OMPClause *> Clauses, |
15164 | SourceLocation StartLoc, |
15165 | SourceLocation EndLoc) { |
15166 | |
15167 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
15168 | // At least one action-clause must appear on a directive. |
15169 | if (!hasClauses(Clauses, OMPC_init, OMPC_use, OMPC_destroy, OMPC_nowait)) { |
15170 | StringRef Expected = "'init', 'use', 'destroy', or 'nowait'"; |
15171 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) |
15172 | << Expected << getOpenMPDirectiveName(OMPD_interop); |
15173 | return StmtError(); |
15174 | } |
15175 | |
15176 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
15177 | // A depend clause can only appear on the directive if a targetsync |
15178 | // interop-type is present or the interop-var was initialized with |
15179 | // the targetsync interop-type. |
15180 | |
15181 | // If there is any 'init' clause diagnose if there is no 'init' clause with |
15182 | // interop-type of 'targetsync'. Cases involving other directives cannot be |
15183 | // diagnosed. |
15184 | const OMPDependClause *DependClause = nullptr; |
15185 | bool HasInitClause = false; |
15186 | bool IsTargetSync = false; |
15187 | for (const OMPClause *C : Clauses) { |
15188 | if (IsTargetSync) |
15189 | break; |
15190 | if (const auto *InitClause = dyn_cast<OMPInitClause>(C)) { |
15191 | HasInitClause = true; |
15192 | if (InitClause->getIsTargetSync()) |
15193 | IsTargetSync = true; |
15194 | } else if (const auto *DC = dyn_cast<OMPDependClause>(C)) { |
15195 | DependClause = DC; |
15196 | } |
15197 | } |
15198 | if (DependClause && HasInitClause && !IsTargetSync) { |
15199 | Diag(DependClause->getBeginLoc(), diag::err_omp_interop_bad_depend_clause); |
15200 | return StmtError(); |
15201 | } |
15202 | |
15203 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
15204 | // Each interop-var may be specified for at most one action-clause of each |
15205 | // interop construct. |
15206 | llvm::SmallPtrSet<const VarDecl *, 4> InteropVars; |
15207 | for (const OMPClause *C : Clauses) { |
15208 | OpenMPClauseKind ClauseKind = C->getClauseKind(); |
15209 | const DeclRefExpr *DRE = nullptr; |
15210 | SourceLocation VarLoc; |
15211 | |
15212 | if (ClauseKind == OMPC_init) { |
15213 | const auto *IC = cast<OMPInitClause>(C); |
15214 | VarLoc = IC->getVarLoc(); |
15215 | DRE = dyn_cast_or_null<DeclRefExpr>(IC->getInteropVar()); |
15216 | } else if (ClauseKind == OMPC_use) { |
15217 | const auto *UC = cast<OMPUseClause>(C); |
15218 | VarLoc = UC->getVarLoc(); |
15219 | DRE = dyn_cast_or_null<DeclRefExpr>(UC->getInteropVar()); |
15220 | } else if (ClauseKind == OMPC_destroy) { |
15221 | const auto *DC = cast<OMPDestroyClause>(C); |
15222 | VarLoc = DC->getVarLoc(); |
15223 | DRE = dyn_cast_or_null<DeclRefExpr>(DC->getInteropVar()); |
15224 | } |
15225 | |
15226 | if (!DRE) |
15227 | continue; |
15228 | |
15229 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) { |
15230 | if (!InteropVars.insert(VD->getCanonicalDecl()).second) { |
15231 | Diag(VarLoc, diag::err_omp_interop_var_multiple_actions) << VD; |
15232 | return StmtError(); |
15233 | } |
15234 | } |
15235 | } |
15236 | |
15237 | return OMPInteropDirective::Create(Context, StartLoc, EndLoc, Clauses); |
15238 | } |
15239 | |
15240 | static bool isValidInteropVariable(Sema &SemaRef, Expr *InteropVarExpr, |
15241 | SourceLocation VarLoc, |
15242 | OpenMPClauseKind Kind) { |
15243 | if (InteropVarExpr->isValueDependent() || InteropVarExpr->isTypeDependent() || |
15244 | InteropVarExpr->isInstantiationDependent() || |
15245 | InteropVarExpr->containsUnexpandedParameterPack()) |
15246 | return true; |
15247 | |
15248 | const auto *DRE = dyn_cast<DeclRefExpr>(InteropVarExpr); |
15249 | if (!DRE || !isa<VarDecl>(DRE->getDecl())) { |
15250 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) << 0; |
15251 | return false; |
15252 | } |
15253 | |
15254 | // Interop variable should be of type omp_interop_t. |
15255 | bool HasError = false; |
15256 | QualType InteropType; |
15257 | LookupResult Result(SemaRef, &SemaRef.Context.Idents.get("omp_interop_t"), |
15258 | VarLoc, Sema::LookupOrdinaryName); |
15259 | if (SemaRef.LookupName(Result, SemaRef.getCurScope())) { |
15260 | NamedDecl *ND = Result.getFoundDecl(); |
15261 | if (const auto *TD = dyn_cast<TypeDecl>(ND)) { |
15262 | InteropType = QualType(TD->getTypeForDecl(), 0); |
15263 | } else { |
15264 | HasError = true; |
15265 | } |
15266 | } else { |
15267 | HasError = true; |
15268 | } |
15269 | |
15270 | if (HasError) { |
15271 | SemaRef.Diag(VarLoc, diag::err_omp_implied_type_not_found) |
15272 | << "omp_interop_t"; |
15273 | return false; |
15274 | } |
15275 | |
15276 | QualType VarType = InteropVarExpr->getType().getUnqualifiedType(); |
15277 | if (!SemaRef.Context.hasSameType(InteropType, VarType)) { |
15278 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_wrong_type); |
15279 | return false; |
15280 | } |
15281 | |
15282 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
15283 | // The interop-var passed to init or destroy must be non-const. |
15284 | if ((Kind == OMPC_init || Kind == OMPC_destroy) && |
15285 | isConstNotMutableType(SemaRef, InteropVarExpr->getType())) { |
15286 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) |
15287 | << /*non-const*/ 1; |
15288 | return false; |
15289 | } |
15290 | return true; |
15291 | } |
15292 | |
15293 | OMPClause * |
15294 | Sema::ActOnOpenMPInitClause(Expr *InteropVar, ArrayRef<Expr *> PrefExprs, |
15295 | bool IsTarget, bool IsTargetSync, |
15296 | SourceLocation StartLoc, SourceLocation LParenLoc, |
15297 | SourceLocation VarLoc, SourceLocation EndLoc) { |
15298 | |
15299 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_init)) |
15300 | return nullptr; |
15301 | |
15302 | // Check prefer_type values. These foreign-runtime-id values are either |
15303 | // string literals or constant integral expressions. |
15304 | for (const Expr *E : PrefExprs) { |
15305 | if (E->isValueDependent() || E->isTypeDependent() || |
15306 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) |
15307 | continue; |
15308 | if (E->isIntegerConstantExpr(Context)) |
15309 | continue; |
15310 | if (isa<StringLiteral>(E)) |
15311 | continue; |
15312 | Diag(E->getExprLoc(), diag::err_omp_interop_prefer_type); |
15313 | return nullptr; |
15314 | } |
15315 | |
15316 | return OMPInitClause::Create(Context, InteropVar, PrefExprs, IsTarget, |
15317 | IsTargetSync, StartLoc, LParenLoc, VarLoc, |
15318 | EndLoc); |
15319 | } |
15320 | |
15321 | OMPClause *Sema::ActOnOpenMPUseClause(Expr *InteropVar, SourceLocation StartLoc, |
15322 | SourceLocation LParenLoc, |
15323 | SourceLocation VarLoc, |
15324 | SourceLocation EndLoc) { |
15325 | |
15326 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_use)) |
15327 | return nullptr; |
15328 | |
15329 | return new (Context) |
15330 | OMPUseClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); |
15331 | } |
15332 | |
15333 | OMPClause *Sema::ActOnOpenMPDestroyClause(Expr *InteropVar, |
15334 | SourceLocation StartLoc, |
15335 | SourceLocation LParenLoc, |
15336 | SourceLocation VarLoc, |
15337 | SourceLocation EndLoc) { |
15338 | if (InteropVar && |
15339 | !isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_destroy)) |
15340 | return nullptr; |
15341 | |
15342 | return new (Context) |
15343 | OMPDestroyClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); |
15344 | } |
15345 | |
15346 | OMPClause *Sema::ActOnOpenMPNovariantsClause(Expr *Condition, |
15347 | SourceLocation StartLoc, |
15348 | SourceLocation LParenLoc, |
15349 | SourceLocation EndLoc) { |
15350 | Expr *ValExpr = Condition; |
15351 | Stmt *HelperValStmt = nullptr; |
15352 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
15353 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
15354 | !Condition->isInstantiationDependent() && |
15355 | !Condition->containsUnexpandedParameterPack()) { |
15356 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
15357 | if (Val.isInvalid()) |
15358 | return nullptr; |
15359 | |
15360 | ValExpr = MakeFullExpr(Val.get()).get(); |
15361 | |
15362 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15363 | CaptureRegion = getOpenMPCaptureRegionForClause(DKind, OMPC_novariants, |
15364 | LangOpts.OpenMP); |
15365 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
15366 | ValExpr = MakeFullExpr(ValExpr).get(); |
15367 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
15368 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
15369 | HelperValStmt = buildPreInits(Context, Captures); |
15370 | } |
15371 | } |
15372 | |
15373 | return new (Context) OMPNovariantsClause( |
15374 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
15375 | } |
15376 | |
15377 | OMPClause *Sema::ActOnOpenMPNocontextClause(Expr *Condition, |
15378 | SourceLocation StartLoc, |
15379 | SourceLocation LParenLoc, |
15380 | SourceLocation EndLoc) { |
15381 | Expr *ValExpr = Condition; |
15382 | Stmt *HelperValStmt = nullptr; |
15383 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
15384 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && |
15385 | !Condition->isInstantiationDependent() && |
15386 | !Condition->containsUnexpandedParameterPack()) { |
15387 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); |
15388 | if (Val.isInvalid()) |
15389 | return nullptr; |
15390 | |
15391 | ValExpr = MakeFullExpr(Val.get()).get(); |
15392 | |
15393 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15394 | CaptureRegion = |
15395 | getOpenMPCaptureRegionForClause(DKind, OMPC_nocontext, LangOpts.OpenMP); |
15396 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
15397 | ValExpr = MakeFullExpr(ValExpr).get(); |
15398 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
15399 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
15400 | HelperValStmt = buildPreInits(Context, Captures); |
15401 | } |
15402 | } |
15403 | |
15404 | return new (Context) OMPNocontextClause(ValExpr, HelperValStmt, CaptureRegion, |
15405 | StartLoc, LParenLoc, EndLoc); |
15406 | } |
15407 | |
15408 | OMPClause *Sema::ActOnOpenMPFilterClause(Expr *ThreadID, |
15409 | SourceLocation StartLoc, |
15410 | SourceLocation LParenLoc, |
15411 | SourceLocation EndLoc) { |
15412 | Expr *ValExpr = ThreadID; |
15413 | Stmt *HelperValStmt = nullptr; |
15414 | |
15415 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15416 | OpenMPDirectiveKind CaptureRegion = |
15417 | getOpenMPCaptureRegionForClause(DKind, OMPC_filter, LangOpts.OpenMP); |
15418 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
15419 | ValExpr = MakeFullExpr(ValExpr).get(); |
15420 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
15421 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
15422 | HelperValStmt = buildPreInits(Context, Captures); |
15423 | } |
15424 | |
15425 | return new (Context) OMPFilterClause(ValExpr, HelperValStmt, CaptureRegion, |
15426 | StartLoc, LParenLoc, EndLoc); |
15427 | } |
15428 | |
15429 | OMPClause *Sema::ActOnOpenMPVarListClause( |
15430 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *DepModOrTailExpr, |
15431 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, |
15432 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, |
15433 | DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier, |
15434 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, |
15435 | ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit, |
15436 | SourceLocation ExtraModifierLoc, |
15437 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
15438 | ArrayRef<SourceLocation> MotionModifiersLoc) { |
15439 | SourceLocation StartLoc = Locs.StartLoc; |
15440 | SourceLocation LParenLoc = Locs.LParenLoc; |
15441 | SourceLocation EndLoc = Locs.EndLoc; |
15442 | OMPClause *Res = nullptr; |
15443 | switch (Kind) { |
15444 | case OMPC_private: |
15445 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
15446 | break; |
15447 | case OMPC_firstprivate: |
15448 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
15449 | break; |
15450 | case OMPC_lastprivate: |
15451 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown &&(static_cast<void> (0)) |
15452 | "Unexpected lastprivate modifier.")(static_cast<void> (0)); |
15453 | Res = ActOnOpenMPLastprivateClause( |
15454 | VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier), |
15455 | ExtraModifierLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); |
15456 | break; |
15457 | case OMPC_shared: |
15458 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); |
15459 | break; |
15460 | case OMPC_reduction: |
15461 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown &&(static_cast<void> (0)) |
15462 | "Unexpected lastprivate modifier.")(static_cast<void> (0)); |
15463 | Res = ActOnOpenMPReductionClause( |
15464 | VarList, static_cast<OpenMPReductionClauseModifier>(ExtraModifier), |
15465 | StartLoc, LParenLoc, ExtraModifierLoc, ColonLoc, EndLoc, |
15466 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId); |
15467 | break; |
15468 | case OMPC_task_reduction: |
15469 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, |
15470 | EndLoc, ReductionOrMapperIdScopeSpec, |
15471 | ReductionOrMapperId); |
15472 | break; |
15473 | case OMPC_in_reduction: |
15474 | Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, |
15475 | EndLoc, ReductionOrMapperIdScopeSpec, |
15476 | ReductionOrMapperId); |
15477 | break; |
15478 | case OMPC_linear: |
15479 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown &&(static_cast<void> (0)) |
15480 | "Unexpected linear modifier.")(static_cast<void> (0)); |
15481 | Res = ActOnOpenMPLinearClause( |
15482 | VarList, DepModOrTailExpr, StartLoc, LParenLoc, |
15483 | static_cast<OpenMPLinearClauseKind>(ExtraModifier), ExtraModifierLoc, |
15484 | ColonLoc, EndLoc); |
15485 | break; |
15486 | case OMPC_aligned: |
15487 | Res = ActOnOpenMPAlignedClause(VarList, DepModOrTailExpr, StartLoc, |
15488 | LParenLoc, ColonLoc, EndLoc); |
15489 | break; |
15490 | case OMPC_copyin: |
15491 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); |
15492 | break; |
15493 | case OMPC_copyprivate: |
15494 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); |
15495 | break; |
15496 | case OMPC_flush: |
15497 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); |
15498 | break; |
15499 | case OMPC_depend: |
15500 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown &&(static_cast<void> (0)) |
15501 | "Unexpected depend modifier.")(static_cast<void> (0)); |
15502 | Res = ActOnOpenMPDependClause( |
15503 | DepModOrTailExpr, static_cast<OpenMPDependClauseKind>(ExtraModifier), |
15504 | ExtraModifierLoc, ColonLoc, VarList, StartLoc, LParenLoc, EndLoc); |
15505 | break; |
15506 | case OMPC_map: |
15507 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown &&(static_cast<void> (0)) |
15508 | "Unexpected map modifier.")(static_cast<void> (0)); |
15509 | Res = ActOnOpenMPMapClause( |
15510 | MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec, |
15511 | ReductionOrMapperId, static_cast<OpenMPMapClauseKind>(ExtraModifier), |
15512 | IsMapTypeImplicit, ExtraModifierLoc, ColonLoc, VarList, Locs); |
15513 | break; |
15514 | case OMPC_to: |
15515 | Res = ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc, |
15516 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId, |
15517 | ColonLoc, VarList, Locs); |
15518 | break; |
15519 | case OMPC_from: |
15520 | Res = ActOnOpenMPFromClause(MotionModifiers, MotionModifiersLoc, |
15521 | ReductionOrMapperIdScopeSpec, |
15522 | ReductionOrMapperId, ColonLoc, VarList, Locs); |
15523 | break; |
15524 | case OMPC_use_device_ptr: |
15525 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); |
15526 | break; |
15527 | case OMPC_use_device_addr: |
15528 | Res = ActOnOpenMPUseDeviceAddrClause(VarList, Locs); |
15529 | break; |
15530 | case OMPC_is_device_ptr: |
15531 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); |
15532 | break; |
15533 | case OMPC_allocate: |
15534 | Res = ActOnOpenMPAllocateClause(DepModOrTailExpr, VarList, StartLoc, |
15535 | LParenLoc, ColonLoc, EndLoc); |
15536 | break; |
15537 | case OMPC_nontemporal: |
15538 | Res = ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, EndLoc); |
15539 | break; |
15540 | case OMPC_inclusive: |
15541 | Res = ActOnOpenMPInclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); |
15542 | break; |
15543 | case OMPC_exclusive: |
15544 | Res = ActOnOpenMPExclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); |
15545 | break; |
15546 | case OMPC_affinity: |
15547 | Res = ActOnOpenMPAffinityClause(StartLoc, LParenLoc, ColonLoc, EndLoc, |
15548 | DepModOrTailExpr, VarList); |
15549 | break; |
15550 | case OMPC_if: |
15551 | case OMPC_depobj: |
15552 | case OMPC_final: |
15553 | case OMPC_num_threads: |
15554 | case OMPC_safelen: |
15555 | case OMPC_simdlen: |
15556 | case OMPC_sizes: |
15557 | case OMPC_allocator: |
15558 | case OMPC_collapse: |
15559 | case OMPC_default: |
15560 | case OMPC_proc_bind: |
15561 | case OMPC_schedule: |
15562 | case OMPC_ordered: |
15563 | case OMPC_nowait: |
15564 | case OMPC_untied: |
15565 | case OMPC_mergeable: |
15566 | case OMPC_threadprivate: |
15567 | case OMPC_read: |
15568 | case OMPC_write: |
15569 | case OMPC_update: |
15570 | case OMPC_capture: |
15571 | case OMPC_seq_cst: |
15572 | case OMPC_acq_rel: |
15573 | case OMPC_acquire: |
15574 | case OMPC_release: |
15575 | case OMPC_relaxed: |
15576 | case OMPC_device: |
15577 | case OMPC_threads: |
15578 | case OMPC_simd: |
15579 | case OMPC_num_teams: |
15580 | case OMPC_thread_limit: |
15581 | case OMPC_priority: |
15582 | case OMPC_grainsize: |
15583 | case OMPC_nogroup: |
15584 | case OMPC_num_tasks: |
15585 | case OMPC_hint: |
15586 | case OMPC_dist_schedule: |
15587 | case OMPC_defaultmap: |
15588 | case OMPC_unknown: |
15589 | case OMPC_uniform: |
15590 | case OMPC_unified_address: |
15591 | case OMPC_unified_shared_memory: |
15592 | case OMPC_reverse_offload: |
15593 | case OMPC_dynamic_allocators: |
15594 | case OMPC_atomic_default_mem_order: |
15595 | case OMPC_device_type: |
15596 | case OMPC_match: |
15597 | case OMPC_order: |
15598 | case OMPC_destroy: |
15599 | case OMPC_novariants: |
15600 | case OMPC_nocontext: |
15601 | case OMPC_detach: |
15602 | case OMPC_uses_allocators: |
15603 | default: |
15604 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); |
15605 | } |
15606 | return Res; |
15607 | } |
15608 | |
15609 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, |
15610 | ExprObjectKind OK, SourceLocation Loc) { |
15611 | ExprResult Res = BuildDeclRefExpr( |
15612 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); |
15613 | if (!Res.isUsable()) |
15614 | return ExprError(); |
15615 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { |
15616 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); |
15617 | if (!Res.isUsable()) |
15618 | return ExprError(); |
15619 | } |
15620 | if (VK != VK_LValue && Res.get()->isGLValue()) { |
15621 | Res = DefaultLvalueConversion(Res.get()); |
15622 | if (!Res.isUsable()) |
15623 | return ExprError(); |
15624 | } |
15625 | return Res; |
15626 | } |
15627 | |
15628 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, |
15629 | SourceLocation StartLoc, |
15630 | SourceLocation LParenLoc, |
15631 | SourceLocation EndLoc) { |
15632 | SmallVector<Expr *, 8> Vars; |
15633 | SmallVector<Expr *, 8> PrivateCopies; |
15634 | for (Expr *RefExpr : VarList) { |
15635 | assert(RefExpr && "NULL expr in OpenMP private clause.")(static_cast<void> (0)); |
15636 | SourceLocation ELoc; |
15637 | SourceRange ERange; |
15638 | Expr *SimpleRefExpr = RefExpr; |
15639 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
15640 | if (Res.second) { |
15641 | // It will be analyzed later. |
15642 | Vars.push_back(RefExpr); |
15643 | PrivateCopies.push_back(nullptr); |
15644 | } |
15645 | ValueDecl *D = Res.first; |
15646 | if (!D) |
15647 | continue; |
15648 | |
15649 | QualType Type = D->getType(); |
15650 | auto *VD = dyn_cast<VarDecl>(D); |
15651 | |
15652 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
15653 | // A variable that appears in a private clause must not have an incomplete |
15654 | // type or a reference type. |
15655 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) |
15656 | continue; |
15657 | Type = Type.getNonReferenceType(); |
15658 | |
15659 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
15660 | // A variable that is privatized must not have a const-qualified type |
15661 | // unless it is of class type with a mutable member. This restriction does |
15662 | // not apply to the firstprivate clause. |
15663 | // |
15664 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] |
15665 | // A variable that appears in a private clause must not have a |
15666 | // const-qualified type unless it is of class type with a mutable member. |
15667 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) |
15668 | continue; |
15669 | |
15670 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
15671 | // in a Construct] |
15672 | // Variables with the predetermined data-sharing attributes may not be |
15673 | // listed in data-sharing attributes clauses, except for the cases |
15674 | // listed below. For these exceptions only, listing a predetermined |
15675 | // variable in a data-sharing attribute clause is allowed and overrides |
15676 | // the variable's predetermined data-sharing attributes. |
15677 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
15678 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { |
15679 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
15680 | << getOpenMPClauseName(OMPC_private); |
15681 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
15682 | continue; |
15683 | } |
15684 | |
15685 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15686 | // Variably modified types are not supported for tasks. |
15687 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && |
15688 | isOpenMPTaskingDirective(CurrDir)) { |
15689 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
15690 | << getOpenMPClauseName(OMPC_private) << Type |
15691 | << getOpenMPDirectiveName(CurrDir); |
15692 | bool IsDecl = |
15693 | !VD || |
15694 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
15695 | Diag(D->getLocation(), |
15696 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
15697 | << D; |
15698 | continue; |
15699 | } |
15700 | |
15701 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
15702 | // A list item cannot appear in both a map clause and a data-sharing |
15703 | // attribute clause on the same construct |
15704 | // |
15705 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
15706 | // A list item cannot appear in both a map clause and a data-sharing |
15707 | // attribute clause on the same construct unless the construct is a |
15708 | // combined construct. |
15709 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || |
15710 | CurrDir == OMPD_target) { |
15711 | OpenMPClauseKind ConflictKind; |
15712 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
15713 | VD, /*CurrentRegionOnly=*/true, |
15714 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, |
15715 | OpenMPClauseKind WhereFoundClauseKind) -> bool { |
15716 | ConflictKind = WhereFoundClauseKind; |
15717 | return true; |
15718 | })) { |
15719 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
15720 | << getOpenMPClauseName(OMPC_private) |
15721 | << getOpenMPClauseName(ConflictKind) |
15722 | << getOpenMPDirectiveName(CurrDir); |
15723 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
15724 | continue; |
15725 | } |
15726 | } |
15727 | |
15728 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] |
15729 | // A variable of class type (or array thereof) that appears in a private |
15730 | // clause requires an accessible, unambiguous default constructor for the |
15731 | // class type. |
15732 | // Generate helper private variable and initialize it with the default |
15733 | // value. The address of the original variable is replaced by the address of |
15734 | // the new private variable in CodeGen. This new variable is not added to |
15735 | // IdResolver, so the code in the OpenMP region uses original variable for |
15736 | // proper diagnostics. |
15737 | Type = Type.getUnqualifiedType(); |
15738 | VarDecl *VDPrivate = |
15739 | buildVarDecl(*this, ELoc, Type, D->getName(), |
15740 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
15741 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
15742 | ActOnUninitializedDecl(VDPrivate); |
15743 | if (VDPrivate->isInvalidDecl()) |
15744 | continue; |
15745 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
15746 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); |
15747 | |
15748 | DeclRefExpr *Ref = nullptr; |
15749 | if (!VD && !CurContext->isDependentContext()) |
15750 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
15751 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); |
15752 | Vars.push_back((VD || CurContext->isDependentContext()) |
15753 | ? RefExpr->IgnoreParens() |
15754 | : Ref); |
15755 | PrivateCopies.push_back(VDPrivateRefExpr); |
15756 | } |
15757 | |
15758 | if (Vars.empty()) |
15759 | return nullptr; |
15760 | |
15761 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, |
15762 | PrivateCopies); |
15763 | } |
15764 | |
15765 | namespace { |
15766 | class DiagsUninitializedSeveretyRAII { |
15767 | private: |
15768 | DiagnosticsEngine &Diags; |
15769 | SourceLocation SavedLoc; |
15770 | bool IsIgnored = false; |
15771 | |
15772 | public: |
15773 | DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, |
15774 | bool IsIgnored) |
15775 | : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { |
15776 | if (!IsIgnored) { |
15777 | Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, |
15778 | /*Map*/ diag::Severity::Ignored, Loc); |
15779 | } |
15780 | } |
15781 | ~DiagsUninitializedSeveretyRAII() { |
15782 | if (!IsIgnored) |
15783 | Diags.popMappings(SavedLoc); |
15784 | } |
15785 | }; |
15786 | } |
15787 | |
15788 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, |
15789 | SourceLocation StartLoc, |
15790 | SourceLocation LParenLoc, |
15791 | SourceLocation EndLoc) { |
15792 | SmallVector<Expr *, 8> Vars; |
15793 | SmallVector<Expr *, 8> PrivateCopies; |
15794 | SmallVector<Expr *, 8> Inits; |
15795 | SmallVector<Decl *, 4> ExprCaptures; |
15796 | bool IsImplicitClause = |
15797 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); |
15798 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); |
15799 | |
15800 | for (Expr *RefExpr : VarList) { |
15801 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")(static_cast<void> (0)); |
15802 | SourceLocation ELoc; |
15803 | SourceRange ERange; |
15804 | Expr *SimpleRefExpr = RefExpr; |
15805 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
15806 | if (Res.second) { |
15807 | // It will be analyzed later. |
15808 | Vars.push_back(RefExpr); |
15809 | PrivateCopies.push_back(nullptr); |
15810 | Inits.push_back(nullptr); |
15811 | } |
15812 | ValueDecl *D = Res.first; |
15813 | if (!D) |
15814 | continue; |
15815 | |
15816 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; |
15817 | QualType Type = D->getType(); |
15818 | auto *VD = dyn_cast<VarDecl>(D); |
15819 | |
15820 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
15821 | // A variable that appears in a private clause must not have an incomplete |
15822 | // type or a reference type. |
15823 | if (RequireCompleteType(ELoc, Type, |
15824 | diag::err_omp_firstprivate_incomplete_type)) |
15825 | continue; |
15826 | Type = Type.getNonReferenceType(); |
15827 | |
15828 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] |
15829 | // A variable of class type (or array thereof) that appears in a private |
15830 | // clause requires an accessible, unambiguous copy constructor for the |
15831 | // class type. |
15832 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); |
15833 | |
15834 | // If an implicit firstprivate variable found it was checked already. |
15835 | DSAStackTy::DSAVarData TopDVar; |
15836 | if (!IsImplicitClause) { |
15837 | DSAStackTy::DSAVarData DVar = |
15838 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
15839 | TopDVar = DVar; |
15840 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
15841 | bool IsConstant = ElemType.isConstant(Context); |
15842 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] |
15843 | // A list item that specifies a given variable may not appear in more |
15844 | // than one clause on the same directive, except that a variable may be |
15845 | // specified in both firstprivate and lastprivate clauses. |
15846 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] |
15847 | // A list item may appear in a firstprivate or lastprivate clause but not |
15848 | // both. |
15849 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && |
15850 | (isOpenMPDistributeDirective(CurrDir) || |
15851 | DVar.CKind != OMPC_lastprivate) && |
15852 | DVar.RefExpr) { |
15853 | Diag(ELoc, diag::err_omp_wrong_dsa) |
15854 | << getOpenMPClauseName(DVar.CKind) |
15855 | << getOpenMPClauseName(OMPC_firstprivate); |
15856 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
15857 | continue; |
15858 | } |
15859 | |
15860 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
15861 | // in a Construct] |
15862 | // Variables with the predetermined data-sharing attributes may not be |
15863 | // listed in data-sharing attributes clauses, except for the cases |
15864 | // listed below. For these exceptions only, listing a predetermined |
15865 | // variable in a data-sharing attribute clause is allowed and overrides |
15866 | // the variable's predetermined data-sharing attributes. |
15867 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
15868 | // in a Construct, C/C++, p.2] |
15869 | // Variables with const-qualified type having no mutable member may be |
15870 | // listed in a firstprivate clause, even if they are static data members. |
15871 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && |
15872 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { |
15873 | Diag(ELoc, diag::err_omp_wrong_dsa) |
15874 | << getOpenMPClauseName(DVar.CKind) |
15875 | << getOpenMPClauseName(OMPC_firstprivate); |
15876 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
15877 | continue; |
15878 | } |
15879 | |
15880 | // OpenMP [2.9.3.4, Restrictions, p.2] |
15881 | // A list item that is private within a parallel region must not appear |
15882 | // in a firstprivate clause on a worksharing construct if any of the |
15883 | // worksharing regions arising from the worksharing construct ever bind |
15884 | // to any of the parallel regions arising from the parallel construct. |
15885 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] |
15886 | // A list item that is private within a teams region must not appear in a |
15887 | // firstprivate clause on a distribute construct if any of the distribute |
15888 | // regions arising from the distribute construct ever bind to any of the |
15889 | // teams regions arising from the teams construct. |
15890 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] |
15891 | // A list item that appears in a reduction clause of a teams construct |
15892 | // must not appear in a firstprivate clause on a distribute construct if |
15893 | // any of the distribute regions arising from the distribute construct |
15894 | // ever bind to any of the teams regions arising from the teams construct. |
15895 | if ((isOpenMPWorksharingDirective(CurrDir) || |
15896 | isOpenMPDistributeDirective(CurrDir)) && |
15897 | !isOpenMPParallelDirective(CurrDir) && |
15898 | !isOpenMPTeamsDirective(CurrDir)) { |
15899 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); |
15900 | if (DVar.CKind != OMPC_shared && |
15901 | (isOpenMPParallelDirective(DVar.DKind) || |
15902 | isOpenMPTeamsDirective(DVar.DKind) || |
15903 | DVar.DKind == OMPD_unknown)) { |
15904 | Diag(ELoc, diag::err_omp_required_access) |
15905 | << getOpenMPClauseName(OMPC_firstprivate) |
15906 | << getOpenMPClauseName(OMPC_shared); |
15907 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
15908 | continue; |
15909 | } |
15910 | } |
15911 | // OpenMP [2.9.3.4, Restrictions, p.3] |
15912 | // A list item that appears in a reduction clause of a parallel construct |
15913 | // must not appear in a firstprivate clause on a worksharing or task |
15914 | // construct if any of the worksharing or task regions arising from the |
15915 | // worksharing or task construct ever bind to any of the parallel regions |
15916 | // arising from the parallel construct. |
15917 | // OpenMP [2.9.3.4, Restrictions, p.4] |
15918 | // A list item that appears in a reduction clause in worksharing |
15919 | // construct must not appear in a firstprivate clause in a task construct |
15920 | // encountered during execution of any of the worksharing regions arising |
15921 | // from the worksharing construct. |
15922 | if (isOpenMPTaskingDirective(CurrDir)) { |
15923 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( |
15924 | D, |
15925 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
15926 | return C == OMPC_reduction && !AppliedToPointee; |
15927 | }, |
15928 | [](OpenMPDirectiveKind K) { |
15929 | return isOpenMPParallelDirective(K) || |
15930 | isOpenMPWorksharingDirective(K) || |
15931 | isOpenMPTeamsDirective(K); |
15932 | }, |
15933 | /*FromParent=*/true); |
15934 | if (DVar.CKind == OMPC_reduction && |
15935 | (isOpenMPParallelDirective(DVar.DKind) || |
15936 | isOpenMPWorksharingDirective(DVar.DKind) || |
15937 | isOpenMPTeamsDirective(DVar.DKind))) { |
15938 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) |
15939 | << getOpenMPDirectiveName(DVar.DKind); |
15940 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
15941 | continue; |
15942 | } |
15943 | } |
15944 | |
15945 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
15946 | // A list item cannot appear in both a map clause and a data-sharing |
15947 | // attribute clause on the same construct |
15948 | // |
15949 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
15950 | // A list item cannot appear in both a map clause and a data-sharing |
15951 | // attribute clause on the same construct unless the construct is a |
15952 | // combined construct. |
15953 | if ((LangOpts.OpenMP <= 45 && |
15954 | isOpenMPTargetExecutionDirective(CurrDir)) || |
15955 | CurrDir == OMPD_target) { |
15956 | OpenMPClauseKind ConflictKind; |
15957 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
15958 | VD, /*CurrentRegionOnly=*/true, |
15959 | [&ConflictKind]( |
15960 | OMPClauseMappableExprCommon::MappableExprComponentListRef, |
15961 | OpenMPClauseKind WhereFoundClauseKind) { |
15962 | ConflictKind = WhereFoundClauseKind; |
15963 | return true; |
15964 | })) { |
15965 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
15966 | << getOpenMPClauseName(OMPC_firstprivate) |
15967 | << getOpenMPClauseName(ConflictKind) |
15968 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
15969 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
15970 | continue; |
15971 | } |
15972 | } |
15973 | } |
15974 | |
15975 | // Variably modified types are not supported for tasks. |
15976 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && |
15977 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { |
15978 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
15979 | << getOpenMPClauseName(OMPC_firstprivate) << Type |
15980 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
15981 | bool IsDecl = |
15982 | !VD || |
15983 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
15984 | Diag(D->getLocation(), |
15985 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
15986 | << D; |
15987 | continue; |
15988 | } |
15989 | |
15990 | Type = Type.getUnqualifiedType(); |
15991 | VarDecl *VDPrivate = |
15992 | buildVarDecl(*this, ELoc, Type, D->getName(), |
15993 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
15994 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
15995 | // Generate helper private variable and initialize it with the value of the |
15996 | // original variable. The address of the original variable is replaced by |
15997 | // the address of the new private variable in the CodeGen. This new variable |
15998 | // is not added to IdResolver, so the code in the OpenMP region uses |
15999 | // original variable for proper diagnostics and variable capturing. |
16000 | Expr *VDInitRefExpr = nullptr; |
16001 | // For arrays generate initializer for single element and replace it by the |
16002 | // original array element in CodeGen. |
16003 | if (Type->isArrayType()) { |
16004 | VarDecl *VDInit = |
16005 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); |
16006 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); |
16007 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); |
16008 | ElemType = ElemType.getUnqualifiedType(); |
16009 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, |
16010 | ".firstprivate.temp"); |
16011 | InitializedEntity Entity = |
16012 | InitializedEntity::InitializeVariable(VDInitTemp); |
16013 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); |
16014 | |
16015 | InitializationSequence InitSeq(*this, Entity, Kind, Init); |
16016 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); |
16017 | if (Result.isInvalid()) |
16018 | VDPrivate->setInvalidDecl(); |
16019 | else |
16020 | VDPrivate->setInit(Result.getAs<Expr>()); |
16021 | // Remove temp variable declaration. |
16022 | Context.Deallocate(VDInitTemp); |
16023 | } else { |
16024 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, |
16025 | ".firstprivate.temp"); |
16026 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), |
16027 | RefExpr->getExprLoc()); |
16028 | AddInitializerToDecl(VDPrivate, |
16029 | DefaultLvalueConversion(VDInitRefExpr).get(), |
16030 | /*DirectInit=*/false); |
16031 | } |
16032 | if (VDPrivate->isInvalidDecl()) { |
16033 | if (IsImplicitClause) { |
16034 | Diag(RefExpr->getExprLoc(), |
16035 | diag::note_omp_task_predetermined_firstprivate_here); |
16036 | } |
16037 | continue; |
16038 | } |
16039 | CurContext->addDecl(VDPrivate); |
16040 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
16041 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), |
16042 | RefExpr->getExprLoc()); |
16043 | DeclRefExpr *Ref = nullptr; |
16044 | if (!VD && !CurContext->isDependentContext()) { |
16045 | if (TopDVar.CKind == OMPC_lastprivate) { |
16046 | Ref = TopDVar.PrivateCopy; |
16047 | } else { |
16048 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
16049 | if (!isOpenMPCapturedDecl(D)) |
16050 | ExprCaptures.push_back(Ref->getDecl()); |
16051 | } |
16052 | } |
16053 | if (!IsImplicitClause) |
16054 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
16055 | Vars.push_back((VD || CurContext->isDependentContext()) |
16056 | ? RefExpr->IgnoreParens() |
16057 | : Ref); |
16058 | PrivateCopies.push_back(VDPrivateRefExpr); |
16059 | Inits.push_back(VDInitRefExpr); |
16060 | } |
16061 | |
16062 | if (Vars.empty()) |
16063 | return nullptr; |
16064 | |
16065 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
16066 | Vars, PrivateCopies, Inits, |
16067 | buildPreInits(Context, ExprCaptures)); |
16068 | } |
16069 | |
16070 | OMPClause *Sema::ActOnOpenMPLastprivateClause( |
16071 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, |
16072 | SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc, |
16073 | SourceLocation LParenLoc, SourceLocation EndLoc) { |
16074 | if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) { |
16075 | assert(ColonLoc.isValid() && "Colon location must be valid.")(static_cast<void> (0)); |
16076 | Diag(LPKindLoc, diag::err_omp_unexpected_clause_value) |
16077 | << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0, |
16078 | /*Last=*/OMPC_LASTPRIVATE_unknown) |
16079 | << getOpenMPClauseName(OMPC_lastprivate); |
16080 | return nullptr; |
16081 | } |
16082 | |
16083 | SmallVector<Expr *, 8> Vars; |
16084 | SmallVector<Expr *, 8> SrcExprs; |
16085 | SmallVector<Expr *, 8> DstExprs; |
16086 | SmallVector<Expr *, 8> AssignmentOps; |
16087 | SmallVector<Decl *, 4> ExprCaptures; |
16088 | SmallVector<Expr *, 4> ExprPostUpdates; |
16089 | for (Expr *RefExpr : VarList) { |
16090 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")(static_cast<void> (0)); |
16091 | SourceLocation ELoc; |
16092 | SourceRange ERange; |
16093 | Expr *SimpleRefExpr = RefExpr; |
16094 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
16095 | if (Res.second) { |
16096 | // It will be analyzed later. |
16097 | Vars.push_back(RefExpr); |
16098 | SrcExprs.push_back(nullptr); |
16099 | DstExprs.push_back(nullptr); |
16100 | AssignmentOps.push_back(nullptr); |
16101 | } |
16102 | ValueDecl *D = Res.first; |
16103 | if (!D) |
16104 | continue; |
16105 | |
16106 | QualType Type = D->getType(); |
16107 | auto *VD = dyn_cast<VarDecl>(D); |
16108 | |
16109 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] |
16110 | // A variable that appears in a lastprivate clause must not have an |
16111 | // incomplete type or a reference type. |
16112 | if (RequireCompleteType(ELoc, Type, |
16113 | diag::err_omp_lastprivate_incomplete_type)) |
16114 | continue; |
16115 | Type = Type.getNonReferenceType(); |
16116 | |
16117 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
16118 | // A variable that is privatized must not have a const-qualified type |
16119 | // unless it is of class type with a mutable member. This restriction does |
16120 | // not apply to the firstprivate clause. |
16121 | // |
16122 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] |
16123 | // A variable that appears in a lastprivate clause must not have a |
16124 | // const-qualified type unless it is of class type with a mutable member. |
16125 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) |
16126 | continue; |
16127 | |
16128 | // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions] |
16129 | // A list item that appears in a lastprivate clause with the conditional |
16130 | // modifier must be a scalar variable. |
16131 | if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) { |
16132 | Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar); |
16133 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
16134 | VarDecl::DeclarationOnly; |
16135 | Diag(D->getLocation(), |
16136 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
16137 | << D; |
16138 | continue; |
16139 | } |
16140 | |
16141 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
16142 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced |
16143 | // in a Construct] |
16144 | // Variables with the predetermined data-sharing attributes may not be |
16145 | // listed in data-sharing attributes clauses, except for the cases |
16146 | // listed below. |
16147 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] |
16148 | // A list item may appear in a firstprivate or lastprivate clause but not |
16149 | // both. |
16150 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
16151 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && |
16152 | (isOpenMPDistributeDirective(CurrDir) || |
16153 | DVar.CKind != OMPC_firstprivate) && |
16154 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { |
16155 | Diag(ELoc, diag::err_omp_wrong_dsa) |
16156 | << getOpenMPClauseName(DVar.CKind) |
16157 | << getOpenMPClauseName(OMPC_lastprivate); |
16158 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
16159 | continue; |
16160 | } |
16161 | |
16162 | // OpenMP [2.14.3.5, Restrictions, p.2] |
16163 | // A list item that is private within a parallel region, or that appears in |
16164 | // the reduction clause of a parallel construct, must not appear in a |
16165 | // lastprivate clause on a worksharing construct if any of the corresponding |
16166 | // worksharing regions ever binds to any of the corresponding parallel |
16167 | // regions. |
16168 | DSAStackTy::DSAVarData TopDVar = DVar; |
16169 | if (isOpenMPWorksharingDirective(CurrDir) && |
16170 | !isOpenMPParallelDirective(CurrDir) && |
16171 | !isOpenMPTeamsDirective(CurrDir)) { |
16172 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); |
16173 | if (DVar.CKind != OMPC_shared) { |
16174 | Diag(ELoc, diag::err_omp_required_access) |
16175 | << getOpenMPClauseName(OMPC_lastprivate) |
16176 | << getOpenMPClauseName(OMPC_shared); |
16177 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
16178 | continue; |
16179 | } |
16180 | } |
16181 | |
16182 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] |
16183 | // A variable of class type (or array thereof) that appears in a |
16184 | // lastprivate clause requires an accessible, unambiguous default |
16185 | // constructor for the class type, unless the list item is also specified |
16186 | // in a firstprivate clause. |
16187 | // A variable of class type (or array thereof) that appears in a |
16188 | // lastprivate clause requires an accessible, unambiguous copy assignment |
16189 | // operator for the class type. |
16190 | Type = Context.getBaseElementType(Type).getNonReferenceType(); |
16191 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), |
16192 | Type.getUnqualifiedType(), ".lastprivate.src", |
16193 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
16194 | DeclRefExpr *PseudoSrcExpr = |
16195 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); |
16196 | VarDecl *DstVD = |
16197 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", |
16198 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
16199 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); |
16200 | // For arrays generate assignment operation for single element and replace |
16201 | // it by the original array element in CodeGen. |
16202 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, |
16203 | PseudoDstExpr, PseudoSrcExpr); |
16204 | if (AssignmentOp.isInvalid()) |
16205 | continue; |
16206 | AssignmentOp = |
16207 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); |
16208 | if (AssignmentOp.isInvalid()) |
16209 | continue; |
16210 | |
16211 | DeclRefExpr *Ref = nullptr; |
16212 | if (!VD && !CurContext->isDependentContext()) { |
16213 | if (TopDVar.CKind == OMPC_firstprivate) { |
16214 | Ref = TopDVar.PrivateCopy; |
16215 | } else { |
16216 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
16217 | if (!isOpenMPCapturedDecl(D)) |
16218 | ExprCaptures.push_back(Ref->getDecl()); |
16219 | } |
16220 | if ((TopDVar.CKind == OMPC_firstprivate && !TopDVar.PrivateCopy) || |
16221 | (!isOpenMPCapturedDecl(D) && |
16222 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { |
16223 | ExprResult RefRes = DefaultLvalueConversion(Ref); |
16224 | if (!RefRes.isUsable()) |
16225 | continue; |
16226 | ExprResult PostUpdateRes = |
16227 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, |
16228 | RefRes.get()); |
16229 | if (!PostUpdateRes.isUsable()) |
16230 | continue; |
16231 | ExprPostUpdates.push_back( |
16232 | IgnoredValueConversions(PostUpdateRes.get()).get()); |
16233 | } |
16234 | } |
16235 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); |
16236 | Vars.push_back((VD || CurContext->isDependentContext()) |
16237 | ? RefExpr->IgnoreParens() |
16238 | : Ref); |
16239 | SrcExprs.push_back(PseudoSrcExpr); |
16240 | DstExprs.push_back(PseudoDstExpr); |
16241 | AssignmentOps.push_back(AssignmentOp.get()); |
16242 | } |
16243 | |
16244 | if (Vars.empty()) |
16245 | return nullptr; |
16246 | |
16247 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
16248 | Vars, SrcExprs, DstExprs, AssignmentOps, |
16249 | LPKind, LPKindLoc, ColonLoc, |
16250 | buildPreInits(Context, ExprCaptures), |
16251 | buildPostUpdate(*this, ExprPostUpdates)); |
16252 | } |
16253 | |
16254 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, |
16255 | SourceLocation StartLoc, |
16256 | SourceLocation LParenLoc, |
16257 | SourceLocation EndLoc) { |
16258 | SmallVector<Expr *, 8> Vars; |
16259 | for (Expr *RefExpr : VarList) { |
16260 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")(static_cast<void> (0)); |
16261 | SourceLocation ELoc; |
16262 | SourceRange ERange; |
16263 | Expr *SimpleRefExpr = RefExpr; |
16264 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
16265 | if (Res.second) { |
16266 | // It will be analyzed later. |
16267 | Vars.push_back(RefExpr); |
16268 | } |
16269 | ValueDecl *D = Res.first; |
16270 | if (!D) |
16271 | continue; |
16272 | |
16273 | auto *VD = dyn_cast<VarDecl>(D); |
16274 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced |
16275 | // in a Construct] |
16276 | // Variables with the predetermined data-sharing attributes may not be |
16277 | // listed in data-sharing attributes clauses, except for the cases |
16278 | // listed below. For these exceptions only, listing a predetermined |
16279 | // variable in a data-sharing attribute clause is allowed and overrides |
16280 | // the variable's predetermined data-sharing attributes. |
16281 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
16282 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && |
16283 | DVar.RefExpr) { |
16284 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
16285 | << getOpenMPClauseName(OMPC_shared); |
16286 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
16287 | continue; |
16288 | } |
16289 | |
16290 | DeclRefExpr *Ref = nullptr; |
16291 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) |
16292 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
16293 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); |
16294 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) |
16295 | ? RefExpr->IgnoreParens() |
16296 | : Ref); |
16297 | } |
16298 | |
16299 | if (Vars.empty()) |
16300 | return nullptr; |
16301 | |
16302 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
16303 | } |
16304 | |
16305 | namespace { |
16306 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { |
16307 | DSAStackTy *Stack; |
16308 | |
16309 | public: |
16310 | bool VisitDeclRefExpr(DeclRefExpr *E) { |
16311 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { |
16312 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); |
16313 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) |
16314 | return false; |
16315 | if (DVar.CKind != OMPC_unknown) |
16316 | return true; |
16317 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( |
16318 | VD, |
16319 | [](OpenMPClauseKind C, bool AppliedToPointee) { |
16320 | return isOpenMPPrivate(C) && !AppliedToPointee; |
16321 | }, |
16322 | [](OpenMPDirectiveKind) { return true; }, |
16323 | /*FromParent=*/true); |
16324 | return DVarPrivate.CKind != OMPC_unknown; |
16325 | } |
16326 | return false; |
16327 | } |
16328 | bool VisitStmt(Stmt *S) { |
16329 | for (Stmt *Child : S->children()) { |
16330 | if (Child && Visit(Child)) |
16331 | return true; |
16332 | } |
16333 | return false; |
16334 | } |
16335 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} |
16336 | }; |
16337 | } // namespace |
16338 | |
16339 | namespace { |
16340 | // Transform MemberExpression for specified FieldDecl of current class to |
16341 | // DeclRefExpr to specified OMPCapturedExprDecl. |
16342 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { |
16343 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; |
16344 | ValueDecl *Field = nullptr; |
16345 | DeclRefExpr *CapturedExpr = nullptr; |
16346 | |
16347 | public: |
16348 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) |
16349 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} |
16350 | |
16351 | ExprResult TransformMemberExpr(MemberExpr *E) { |
16352 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && |
16353 | E->getMemberDecl() == Field) { |
16354 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); |
16355 | return CapturedExpr; |
16356 | } |
16357 | return BaseTransform::TransformMemberExpr(E); |
16358 | } |
16359 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } |
16360 | }; |
16361 | } // namespace |
16362 | |
16363 | template <typename T, typename U> |
16364 | static T filterLookupForUDReductionAndMapper( |
16365 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { |
16366 | for (U &Set : Lookups) { |
16367 | for (auto *D : Set) { |
16368 | if (T Res = Gen(cast<ValueDecl>(D))) |
16369 | return Res; |
16370 | } |
16371 | } |
16372 | return T(); |
16373 | } |
16374 | |
16375 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { |
16376 | assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case")(static_cast<void> (0)); |
16377 | |
16378 | for (auto RD : D->redecls()) { |
16379 | // Don't bother with extra checks if we already know this one isn't visible. |
16380 | if (RD == D) |
16381 | continue; |
16382 | |
16383 | auto ND = cast<NamedDecl>(RD); |
16384 | if (LookupResult::isVisible(SemaRef, ND)) |
16385 | return ND; |
16386 | } |
16387 | |
16388 | return nullptr; |
16389 | } |
16390 | |
16391 | static void |
16392 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, |
16393 | SourceLocation Loc, QualType Ty, |
16394 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { |
16395 | // Find all of the associated namespaces and classes based on the |
16396 | // arguments we have. |
16397 | Sema::AssociatedNamespaceSet AssociatedNamespaces; |
16398 | Sema::AssociatedClassSet AssociatedClasses; |
16399 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); |
16400 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, |
16401 | AssociatedClasses); |
16402 | |
16403 | // C++ [basic.lookup.argdep]p3: |
16404 | // Let X be the lookup set produced by unqualified lookup (3.4.1) |
16405 | // and let Y be the lookup set produced by argument dependent |
16406 | // lookup (defined as follows). If X contains [...] then Y is |
16407 | // empty. Otherwise Y is the set of declarations found in the |
16408 | // namespaces associated with the argument types as described |
16409 | // below. The set of declarations found by the lookup of the name |
16410 | // is the union of X and Y. |
16411 | // |
16412 | // Here, we compute Y and add its members to the overloaded |
16413 | // candidate set. |
16414 | for (auto *NS : AssociatedNamespaces) { |
16415 | // When considering an associated namespace, the lookup is the |
16416 | // same as the lookup performed when the associated namespace is |
16417 | // used as a qualifier (3.4.3.2) except that: |
16418 | // |
16419 | // -- Any using-directives in the associated namespace are |
16420 | // ignored. |
16421 | // |
16422 | // -- Any namespace-scope friend functions declared in |
16423 | // associated classes are visible within their respective |
16424 | // namespaces even if they are not visible during an ordinary |
16425 | // lookup (11.4). |
16426 | DeclContext::lookup_result R = NS->lookup(Id.getName()); |
16427 | for (auto *D : R) { |
16428 | auto *Underlying = D; |
16429 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) |
16430 | Underlying = USD->getTargetDecl(); |
16431 | |
16432 | if (!isa<OMPDeclareReductionDecl>(Underlying) && |
16433 | !isa<OMPDeclareMapperDecl>(Underlying)) |
16434 | continue; |
16435 | |
16436 | if (!SemaRef.isVisible(D)) { |
16437 | D = findAcceptableDecl(SemaRef, D); |
16438 | if (!D) |
16439 | continue; |
16440 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) |
16441 | Underlying = USD->getTargetDecl(); |
16442 | } |
16443 | Lookups.emplace_back(); |
16444 | Lookups.back().addDecl(Underlying); |
16445 | } |
16446 | } |
16447 | } |
16448 | |
16449 | static ExprResult |
16450 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, |
16451 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, |
16452 | const DeclarationNameInfo &ReductionId, QualType Ty, |
16453 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { |
16454 | if (ReductionIdScopeSpec.isInvalid()) |
16455 | return ExprError(); |
16456 | SmallVector<UnresolvedSet<8>, 4> Lookups; |
16457 | if (S) { |
16458 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); |
16459 | Lookup.suppressDiagnostics(); |
16460 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { |
16461 | NamedDecl *D = Lookup.getRepresentativeDecl(); |
16462 | do { |
16463 | S = S->getParent(); |
16464 | } while (S && !S->isDeclScope(D)); |
16465 | if (S) |
16466 | S = S->getParent(); |
16467 | Lookups.emplace_back(); |
16468 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
16469 | Lookup.clear(); |
16470 | } |
16471 | } else if (auto *ULE = |
16472 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { |
16473 | Lookups.push_back(UnresolvedSet<8>()); |
16474 | Decl *PrevD = nullptr; |
16475 | for (NamedDecl *D : ULE->decls()) { |
16476 | if (D == PrevD) |
16477 | Lookups.push_back(UnresolvedSet<8>()); |
16478 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) |
16479 | Lookups.back().addDecl(DRD); |
16480 | PrevD = D; |
16481 | } |
16482 | } |
16483 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || |
16484 | Ty->isInstantiationDependentType() || |
16485 | Ty->containsUnexpandedParameterPack() || |
16486 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { |
16487 | return !D->isInvalidDecl() && |
16488 | (D->getType()->isDependentType() || |
16489 | D->getType()->isInstantiationDependentType() || |
16490 | D->getType()->containsUnexpandedParameterPack()); |
16491 | })) { |
16492 | UnresolvedSet<8> ResSet; |
16493 | for (const UnresolvedSet<8> &Set : Lookups) { |
16494 | if (Set.empty()) |
16495 | continue; |
16496 | ResSet.append(Set.begin(), Set.end()); |
16497 | // The last item marks the end of all declarations at the specified scope. |
16498 | ResSet.addDecl(Set[Set.size() - 1]); |
16499 | } |
16500 | return UnresolvedLookupExpr::Create( |
16501 | SemaRef.Context, /*NamingClass=*/nullptr, |
16502 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, |
16503 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); |
16504 | } |
16505 | // Lookup inside the classes. |
16506 | // C++ [over.match.oper]p3: |
16507 | // For a unary operator @ with an operand of a type whose |
16508 | // cv-unqualified version is T1, and for a binary operator @ with |
16509 | // a left operand of a type whose cv-unqualified version is T1 and |
16510 | // a right operand of a type whose cv-unqualified version is T2, |
16511 | // three sets of candidate functions, designated member |
16512 | // candidates, non-member candidates and built-in candidates, are |
16513 | // constructed as follows: |
16514 | // -- If T1 is a complete class type or a class currently being |
16515 | // defined, the set of member candidates is the result of the |
16516 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, |
16517 | // the set of member candidates is empty. |
16518 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); |
16519 | Lookup.suppressDiagnostics(); |
16520 | if (const auto *TyRec = Ty->getAs<RecordType>()) { |
16521 | // Complete the type if it can be completed. |
16522 | // If the type is neither complete nor being defined, bail out now. |
16523 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || |
16524 | TyRec->getDecl()->getDefinition()) { |
16525 | Lookup.clear(); |
16526 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); |
16527 | if (Lookup.empty()) { |
16528 | Lookups.emplace_back(); |
16529 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
16530 | } |
16531 | } |
16532 | } |
16533 | // Perform ADL. |
16534 | if (SemaRef.getLangOpts().CPlusPlus) |
16535 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); |
16536 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
16537 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { |
16538 | if (!D->isInvalidDecl() && |
16539 | SemaRef.Context.hasSameType(D->getType(), Ty)) |
16540 | return D; |
16541 | return nullptr; |
16542 | })) |
16543 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), |
16544 | VK_LValue, Loc); |
16545 | if (SemaRef.getLangOpts().CPlusPlus) { |
16546 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
16547 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { |
16548 | if (!D->isInvalidDecl() && |
16549 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && |
16550 | !Ty.isMoreQualifiedThan(D->getType())) |
16551 | return D; |
16552 | return nullptr; |
16553 | })) { |
16554 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, |
16555 | /*DetectVirtual=*/false); |
16556 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { |
16557 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( |
16558 | VD->getType().getUnqualifiedType()))) { |
16559 | if (SemaRef.CheckBaseClassAccess( |
16560 | Loc, VD->getType(), Ty, Paths.front(), |
16561 | /*DiagID=*/0) != Sema::AR_inaccessible) { |
16562 | SemaRef.BuildBasePathArray(Paths, BasePath); |
16563 | return SemaRef.BuildDeclRefExpr( |
16564 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); |
16565 | } |
16566 | } |
16567 | } |
16568 | } |
16569 | } |
16570 | if (ReductionIdScopeSpec.isSet()) { |
16571 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) |
16572 | << Ty << Range; |
16573 | return ExprError(); |
16574 | } |
16575 | return ExprEmpty(); |
16576 | } |
16577 | |
16578 | namespace { |
16579 | /// Data for the reduction-based clauses. |
16580 | struct ReductionData { |
16581 | /// List of original reduction items. |
16582 | SmallVector<Expr *, 8> Vars; |
16583 | /// List of private copies of the reduction items. |
16584 | SmallVector<Expr *, 8> Privates; |
16585 | /// LHS expressions for the reduction_op expressions. |
16586 | SmallVector<Expr *, 8> LHSs; |
16587 | /// RHS expressions for the reduction_op expressions. |
16588 | SmallVector<Expr *, 8> RHSs; |
16589 | /// Reduction operation expression. |
16590 | SmallVector<Expr *, 8> ReductionOps; |
16591 | /// inscan copy operation expressions. |
16592 | SmallVector<Expr *, 8> InscanCopyOps; |
16593 | /// inscan copy temp array expressions for prefix sums. |
16594 | SmallVector<Expr *, 8> InscanCopyArrayTemps; |
16595 | /// inscan copy temp array element expressions for prefix sums. |
16596 | SmallVector<Expr *, 8> InscanCopyArrayElems; |
16597 | /// Taskgroup descriptors for the corresponding reduction items in |
16598 | /// in_reduction clauses. |
16599 | SmallVector<Expr *, 8> TaskgroupDescriptors; |
16600 | /// List of captures for clause. |
16601 | SmallVector<Decl *, 4> ExprCaptures; |
16602 | /// List of postupdate expressions. |
16603 | SmallVector<Expr *, 4> ExprPostUpdates; |
16604 | /// Reduction modifier. |
16605 | unsigned RedModifier = 0; |
16606 | ReductionData() = delete; |
16607 | /// Reserves required memory for the reduction data. |
16608 | ReductionData(unsigned Size, unsigned Modifier = 0) : RedModifier(Modifier) { |
16609 | Vars.reserve(Size); |
16610 | Privates.reserve(Size); |
16611 | LHSs.reserve(Size); |
16612 | RHSs.reserve(Size); |
16613 | ReductionOps.reserve(Size); |
16614 | if (RedModifier == OMPC_REDUCTION_inscan) { |
16615 | InscanCopyOps.reserve(Size); |
16616 | InscanCopyArrayTemps.reserve(Size); |
16617 | InscanCopyArrayElems.reserve(Size); |
16618 | } |
16619 | TaskgroupDescriptors.reserve(Size); |
16620 | ExprCaptures.reserve(Size); |
16621 | ExprPostUpdates.reserve(Size); |
16622 | } |
16623 | /// Stores reduction item and reduction operation only (required for dependent |
16624 | /// reduction item). |
16625 | void push(Expr *Item, Expr *ReductionOp) { |
16626 | Vars.emplace_back(Item); |
16627 | Privates.emplace_back(nullptr); |
16628 | LHSs.emplace_back(nullptr); |
16629 | RHSs.emplace_back(nullptr); |
16630 | ReductionOps.emplace_back(ReductionOp); |
16631 | TaskgroupDescriptors.emplace_back(nullptr); |
16632 | if (RedModifier == OMPC_REDUCTION_inscan) { |
16633 | InscanCopyOps.push_back(nullptr); |
16634 | InscanCopyArrayTemps.push_back(nullptr); |
16635 | InscanCopyArrayElems.push_back(nullptr); |
16636 | } |
16637 | } |
16638 | /// Stores reduction data. |
16639 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, |
16640 | Expr *TaskgroupDescriptor, Expr *CopyOp, Expr *CopyArrayTemp, |
16641 | Expr *CopyArrayElem) { |
16642 | Vars.emplace_back(Item); |
16643 | Privates.emplace_back(Private); |
16644 | LHSs.emplace_back(LHS); |
16645 | RHSs.emplace_back(RHS); |
16646 | ReductionOps.emplace_back(ReductionOp); |
16647 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); |
16648 | if (RedModifier == OMPC_REDUCTION_inscan) { |
16649 | InscanCopyOps.push_back(CopyOp); |
16650 | InscanCopyArrayTemps.push_back(CopyArrayTemp); |
16651 | InscanCopyArrayElems.push_back(CopyArrayElem); |
16652 | } else { |
16653 | assert(CopyOp == nullptr && CopyArrayTemp == nullptr &&(static_cast<void> (0)) |
16654 | CopyArrayElem == nullptr &&(static_cast<void> (0)) |
16655 | "Copy operation must be used for inscan reductions only.")(static_cast<void> (0)); |
16656 | } |
16657 | } |
16658 | }; |
16659 | } // namespace |
16660 | |
16661 | static bool checkOMPArraySectionConstantForReduction( |
16662 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, |
16663 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { |
16664 | const Expr *Length = OASE->getLength(); |
16665 | if (Length == nullptr) { |
16666 | // For array sections of the form [1:] or [:], we would need to analyze |
16667 | // the lower bound... |
16668 | if (OASE->getColonLocFirst().isValid()) |
16669 | return false; |
16670 | |
16671 | // This is an array subscript which has implicit length 1! |
16672 | SingleElement = true; |
16673 | ArraySizes.push_back(llvm::APSInt::get(1)); |
16674 | } else { |
16675 | Expr::EvalResult Result; |
16676 | if (!Length->EvaluateAsInt(Result, Context)) |
16677 | return false; |
16678 | |
16679 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); |
16680 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); |
16681 | ArraySizes.push_back(ConstantLengthValue); |
16682 | } |
16683 | |
16684 | // Get the base of this array section and walk up from there. |
16685 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); |
16686 | |
16687 | // We require length = 1 for all array sections except the right-most to |
16688 | // guarantee that the memory region is contiguous and has no holes in it. |
16689 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { |
16690 | Length = TempOASE->getLength(); |
16691 | if (Length == nullptr) { |
16692 | // For array sections of the form [1:] or [:], we would need to analyze |
16693 | // the lower bound... |
16694 | if (OASE->getColonLocFirst().isValid()) |
16695 | return false; |
16696 | |
16697 | // This is an array subscript which has implicit length 1! |
16698 | ArraySizes.push_back(llvm::APSInt::get(1)); |
16699 | } else { |
16700 | Expr::EvalResult Result; |
16701 | if (!Length->EvaluateAsInt(Result, Context)) |
16702 | return false; |
16703 | |
16704 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); |
16705 | if (ConstantLengthValue.getSExtValue() != 1) |
16706 | return false; |
16707 | |
16708 | ArraySizes.push_back(ConstantLengthValue); |
16709 | } |
16710 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); |
16711 | } |
16712 | |
16713 | // If we have a single element, we don't need to add the implicit lengths. |
16714 | if (!SingleElement) { |
16715 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { |
16716 | // Has implicit length 1! |
16717 | ArraySizes.push_back(llvm::APSInt::get(1)); |
16718 | Base = TempASE->getBase()->IgnoreParenImpCasts(); |
16719 | } |
16720 | } |
16721 | |
16722 | // This array section can be privatized as a single value or as a constant |
16723 | // sized array. |
16724 | return true; |
16725 | } |
16726 | |
16727 | static BinaryOperatorKind |
16728 | getRelatedCompoundReductionOp(BinaryOperatorKind BOK) { |
16729 | if (BOK == BO_Add) |
16730 | return BO_AddAssign; |
16731 | if (BOK == BO_Mul) |
16732 | return BO_MulAssign; |
16733 | if (BOK == BO_And) |
16734 | return BO_AndAssign; |
16735 | if (BOK == BO_Or) |
16736 | return BO_OrAssign; |
16737 | if (BOK == BO_Xor) |
16738 | return BO_XorAssign; |
16739 | return BOK; |
16740 | } |
16741 | |
16742 | static bool actOnOMPReductionKindClause( |
16743 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, |
16744 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
16745 | SourceLocation ColonLoc, SourceLocation EndLoc, |
16746 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
16747 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { |
16748 | DeclarationName DN = ReductionId.getName(); |
16749 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); |
16750 | BinaryOperatorKind BOK = BO_Comma; |
16751 | |
16752 | ASTContext &Context = S.Context; |
16753 | // OpenMP [2.14.3.6, reduction clause] |
16754 | // C |
16755 | // reduction-identifier is either an identifier or one of the following |
16756 | // operators: +, -, *, &, |, ^, && and || |
16757 | // C++ |
16758 | // reduction-identifier is either an id-expression or one of the following |
16759 | // operators: +, -, *, &, |, ^, && and || |
16760 | switch (OOK) { |
16761 | case OO_Plus: |
16762 | case OO_Minus: |
16763 | BOK = BO_Add; |
16764 | break; |
16765 | case OO_Star: |
16766 | BOK = BO_Mul; |
16767 | break; |
16768 | case OO_Amp: |
16769 | BOK = BO_And; |
16770 | break; |
16771 | case OO_Pipe: |
16772 | BOK = BO_Or; |
16773 | break; |
16774 | case OO_Caret: |
16775 | BOK = BO_Xor; |
16776 | break; |
16777 | case OO_AmpAmp: |
16778 | BOK = BO_LAnd; |
16779 | break; |
16780 | case OO_PipePipe: |
16781 | BOK = BO_LOr; |
16782 | break; |
16783 | case OO_New: |
16784 | case OO_Delete: |
16785 | case OO_Array_New: |
16786 | case OO_Array_Delete: |
16787 | case OO_Slash: |
16788 | case OO_Percent: |
16789 | case OO_Tilde: |
16790 | case OO_Exclaim: |
16791 | case OO_Equal: |
16792 | case OO_Less: |
16793 | case OO_Greater: |
16794 | case OO_LessEqual: |
16795 | case OO_GreaterEqual: |
16796 | case OO_PlusEqual: |
16797 | case OO_MinusEqual: |
16798 | case OO_StarEqual: |
16799 | case OO_SlashEqual: |
16800 | case OO_PercentEqual: |
16801 | case OO_CaretEqual: |
16802 | case OO_AmpEqual: |
16803 | case OO_PipeEqual: |
16804 | case OO_LessLess: |
16805 | case OO_GreaterGreater: |
16806 | case OO_LessLessEqual: |
16807 | case OO_GreaterGreaterEqual: |
16808 | case OO_EqualEqual: |
16809 | case OO_ExclaimEqual: |
16810 | case OO_Spaceship: |
16811 | case OO_PlusPlus: |
16812 | case OO_MinusMinus: |
16813 | case OO_Comma: |
16814 | case OO_ArrowStar: |
16815 | case OO_Arrow: |
16816 | case OO_Call: |
16817 | case OO_Subscript: |
16818 | case OO_Conditional: |
16819 | case OO_Coawait: |
16820 | case NUM_OVERLOADED_OPERATORS: |
16821 | llvm_unreachable("Unexpected reduction identifier")__builtin_unreachable(); |
16822 | case OO_None: |
16823 | if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { |
16824 | if (II->isStr("max")) |
16825 | BOK = BO_GT; |
16826 | else if (II->isStr("min")) |
16827 | BOK = BO_LT; |
16828 | } |
16829 | break; |
16830 | } |
16831 | SourceRange ReductionIdRange; |
16832 | if (ReductionIdScopeSpec.isValid()) |
16833 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); |
16834 | else |
16835 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); |
16836 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); |
16837 | |
16838 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); |
16839 | bool FirstIter = true; |
16840 | for (Expr *RefExpr : VarList) { |
16841 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")(static_cast<void> (0)); |
16842 | // OpenMP [2.1, C/C++] |
16843 | // A list item is a variable or array section, subject to the restrictions |
16844 | // specified in Section 2.4 on page 42 and in each of the sections |
16845 | // describing clauses and directives for which a list appears. |
16846 | // OpenMP [2.14.3.3, Restrictions, p.1] |
16847 | // A variable that is part of another variable (as an array or |
16848 | // structure element) cannot appear in a private clause. |
16849 | if (!FirstIter && IR != ER) |
16850 | ++IR; |
16851 | FirstIter = false; |
16852 | SourceLocation ELoc; |
16853 | SourceRange ERange; |
16854 | Expr *SimpleRefExpr = RefExpr; |
16855 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, |
16856 | /*AllowArraySection=*/true); |
16857 | if (Res.second) { |
16858 | // Try to find 'declare reduction' corresponding construct before using |
16859 | // builtin/overloaded operators. |
16860 | QualType Type = Context.DependentTy; |
16861 | CXXCastPath BasePath; |
16862 | ExprResult DeclareReductionRef = buildDeclareReductionRef( |
16863 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, |
16864 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); |
16865 | Expr *ReductionOp = nullptr; |
16866 | if (S.CurContext->isDependentContext() && |
16867 | (DeclareReductionRef.isUnset() || |
16868 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) |
16869 | ReductionOp = DeclareReductionRef.get(); |
16870 | // It will be analyzed later. |
16871 | RD.push(RefExpr, ReductionOp); |
16872 | } |
16873 | ValueDecl *D = Res.first; |
16874 | if (!D) |
16875 | continue; |
16876 | |
16877 | Expr *TaskgroupDescriptor = nullptr; |
16878 | QualType Type; |
16879 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); |
16880 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); |
16881 | if (ASE) { |
16882 | Type = ASE->getType().getNonReferenceType(); |
16883 | } else if (OASE) { |
16884 | QualType BaseType = |
16885 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
16886 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
16887 | Type = ATy->getElementType(); |
16888 | else |
16889 | Type = BaseType->getPointeeType(); |
16890 | Type = Type.getNonReferenceType(); |
16891 | } else { |
16892 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); |
16893 | } |
16894 | auto *VD = dyn_cast<VarDecl>(D); |
16895 | |
16896 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] |
16897 | // A variable that appears in a private clause must not have an incomplete |
16898 | // type or a reference type. |
16899 | if (S.RequireCompleteType(ELoc, D->getType(), |
16900 | diag::err_omp_reduction_incomplete_type)) |
16901 | continue; |
16902 | // OpenMP [2.14.3.6, reduction clause, Restrictions] |
16903 | // A list item that appears in a reduction clause must not be |
16904 | // const-qualified. |
16905 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, |
16906 | /*AcceptIfMutable*/ false, ASE || OASE)) |
16907 | continue; |
16908 | |
16909 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); |
16910 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] |
16911 | // If a list-item is a reference type then it must bind to the same object |
16912 | // for all threads of the team. |
16913 | if (!ASE && !OASE) { |
16914 | if (VD) { |
16915 | VarDecl *VDDef = VD->getDefinition(); |
16916 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { |
16917 | DSARefChecker Check(Stack); |
16918 | if (Check.Visit(VDDef->getInit())) { |
16919 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) |
16920 | << getOpenMPClauseName(ClauseKind) << ERange; |
16921 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; |
16922 | continue; |
16923 | } |
16924 | } |
16925 | } |
16926 | |
16927 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced |
16928 | // in a Construct] |
16929 | // Variables with the predetermined data-sharing attributes may not be |
16930 | // listed in data-sharing attributes clauses, except for the cases |
16931 | // listed below. For these exceptions only, listing a predetermined |
16932 | // variable in a data-sharing attribute clause is allowed and overrides |
16933 | // the variable's predetermined data-sharing attributes. |
16934 | // OpenMP [2.14.3.6, Restrictions, p.3] |
16935 | // Any number of reduction clauses can be specified on the directive, |
16936 | // but a list item can appear only once in the reduction clauses for that |
16937 | // directive. |
16938 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); |
16939 | if (DVar.CKind == OMPC_reduction) { |
16940 | S.Diag(ELoc, diag::err_omp_once_referenced) |
16941 | << getOpenMPClauseName(ClauseKind); |
16942 | if (DVar.RefExpr) |
16943 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); |
16944 | continue; |
16945 | } |
16946 | if (DVar.CKind != OMPC_unknown) { |
16947 | S.Diag(ELoc, diag::err_omp_wrong_dsa) |
16948 | << getOpenMPClauseName(DVar.CKind) |
16949 | << getOpenMPClauseName(OMPC_reduction); |
16950 | reportOriginalDsa(S, Stack, D, DVar); |
16951 | continue; |
16952 | } |
16953 | |
16954 | // OpenMP [2.14.3.6, Restrictions, p.1] |
16955 | // A list item that appears in a reduction clause of a worksharing |
16956 | // construct must be shared in the parallel regions to which any of the |
16957 | // worksharing regions arising from the worksharing construct bind. |
16958 | if (isOpenMPWorksharingDirective(CurrDir) && |
16959 | !isOpenMPParallelDirective(CurrDir) && |
16960 | !isOpenMPTeamsDirective(CurrDir)) { |
16961 | DVar = Stack->getImplicitDSA(D, true); |
16962 | if (DVar.CKind != OMPC_shared) { |
16963 | S.Diag(ELoc, diag::err_omp_required_access) |
16964 | << getOpenMPClauseName(OMPC_reduction) |
16965 | << getOpenMPClauseName(OMPC_shared); |
16966 | reportOriginalDsa(S, Stack, D, DVar); |
16967 | continue; |
16968 | } |
16969 | } |
16970 | } else { |
16971 | // Threadprivates cannot be shared between threads, so dignose if the base |
16972 | // is a threadprivate variable. |
16973 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); |
16974 | if (DVar.CKind == OMPC_threadprivate) { |
16975 | S.Diag(ELoc, diag::err_omp_wrong_dsa) |
16976 | << getOpenMPClauseName(DVar.CKind) |
16977 | << getOpenMPClauseName(OMPC_reduction); |
16978 | reportOriginalDsa(S, Stack, D, DVar); |
16979 | continue; |
16980 | } |
16981 | } |
16982 | |
16983 | // Try to find 'declare reduction' corresponding construct before using |
16984 | // builtin/overloaded operators. |
16985 | CXXCastPath BasePath; |
16986 | ExprResult DeclareReductionRef = buildDeclareReductionRef( |
16987 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, |
16988 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); |
16989 | if (DeclareReductionRef.isInvalid()) |
16990 | continue; |
16991 | if (S.CurContext->isDependentContext() && |
16992 | (DeclareReductionRef.isUnset() || |
16993 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { |
16994 | RD.push(RefExpr, DeclareReductionRef.get()); |
16995 | continue; |
16996 | } |
16997 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { |
16998 | // Not allowed reduction identifier is found. |
16999 | S.Diag(ReductionId.getBeginLoc(), |
17000 | diag::err_omp_unknown_reduction_identifier) |
17001 | << Type << ReductionIdRange; |
17002 | continue; |
17003 | } |
17004 | |
17005 | // OpenMP [2.14.3.6, reduction clause, Restrictions] |
17006 | // The type of a list item that appears in a reduction clause must be valid |
17007 | // for the reduction-identifier. For a max or min reduction in C, the type |
17008 | // of the list item must be an allowed arithmetic data type: char, int, |
17009 | // float, double, or _Bool, possibly modified with long, short, signed, or |
17010 | // unsigned. For a max or min reduction in C++, the type of the list item |
17011 | // must be an allowed arithmetic data type: char, wchar_t, int, float, |
17012 | // double, or bool, possibly modified with long, short, signed, or unsigned. |
17013 | if (DeclareReductionRef.isUnset()) { |
17014 | if ((BOK == BO_GT || BOK == BO_LT) && |
17015 | !(Type->isScalarType() || |
17016 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { |
17017 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) |
17018 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; |
17019 | if (!ASE && !OASE) { |
17020 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
17021 | VarDecl::DeclarationOnly; |
17022 | S.Diag(D->getLocation(), |
17023 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17024 | << D; |
17025 | } |
17026 | continue; |
17027 | } |
17028 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && |
17029 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { |
17030 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) |
17031 | << getOpenMPClauseName(ClauseKind); |
17032 | if (!ASE && !OASE) { |
17033 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
17034 | VarDecl::DeclarationOnly; |
17035 | S.Diag(D->getLocation(), |
17036 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17037 | << D; |
17038 | } |
17039 | continue; |
17040 | } |
17041 | } |
17042 | |
17043 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); |
17044 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", |
17045 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
17046 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), |
17047 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
17048 | QualType PrivateTy = Type; |
17049 | |
17050 | // Try if we can determine constant lengths for all array sections and avoid |
17051 | // the VLA. |
17052 | bool ConstantLengthOASE = false; |
17053 | if (OASE) { |
17054 | bool SingleElement; |
17055 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; |
17056 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( |
17057 | Context, OASE, SingleElement, ArraySizes); |
17058 | |
17059 | // If we don't have a single element, we must emit a constant array type. |
17060 | if (ConstantLengthOASE && !SingleElement) { |
17061 | for (llvm::APSInt &Size : ArraySizes) |
17062 | PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr, |
17063 | ArrayType::Normal, |
17064 | /*IndexTypeQuals=*/0); |
17065 | } |
17066 | } |
17067 | |
17068 | if ((OASE && !ConstantLengthOASE) || |
17069 | (!OASE && !ASE && |
17070 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { |
17071 | if (!Context.getTargetInfo().isVLASupported()) { |
17072 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { |
17073 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; |
17074 | S.Diag(ELoc, diag::note_vla_unsupported); |
17075 | continue; |
17076 | } else { |
17077 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; |
17078 | S.targetDiag(ELoc, diag::note_vla_unsupported); |
17079 | } |
17080 | } |
17081 | // For arrays/array sections only: |
17082 | // Create pseudo array type for private copy. The size for this array will |
17083 | // be generated during codegen. |
17084 | // For array subscripts or single variables Private Ty is the same as Type |
17085 | // (type of the variable or single array element). |
17086 | PrivateTy = Context.getVariableArrayType( |
17087 | Type, |
17088 | new (Context) |
17089 | OpaqueValueExpr(ELoc, Context.getSizeType(), VK_PRValue), |
17090 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); |
17091 | } else if (!ASE && !OASE && |
17092 | Context.getAsArrayType(D->getType().getNonReferenceType())) { |
17093 | PrivateTy = D->getType().getNonReferenceType(); |
17094 | } |
17095 | // Private copy. |
17096 | VarDecl *PrivateVD = |
17097 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), |
17098 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
17099 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
17100 | // Add initializer for private variable. |
17101 | Expr *Init = nullptr; |
17102 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); |
17103 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); |
17104 | if (DeclareReductionRef.isUsable()) { |
17105 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); |
17106 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); |
17107 | if (DRD->getInitializer()) { |
17108 | Init = DRDRef; |
17109 | RHSVD->setInit(DRDRef); |
17110 | RHSVD->setInitStyle(VarDecl::CallInit); |
17111 | } |
17112 | } else { |
17113 | switch (BOK) { |
17114 | case BO_Add: |
17115 | case BO_Xor: |
17116 | case BO_Or: |
17117 | case BO_LOr: |
17118 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. |
17119 | if (Type->isScalarType() || Type->isAnyComplexType()) |
17120 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); |
17121 | break; |
17122 | case BO_Mul: |
17123 | case BO_LAnd: |
17124 | if (Type->isScalarType() || Type->isAnyComplexType()) { |
17125 | // '*' and '&&' reduction ops - initializer is '1'. |
17126 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); |
17127 | } |
17128 | break; |
17129 | case BO_And: { |
17130 | // '&' reduction op - initializer is '~0'. |
17131 | QualType OrigType = Type; |
17132 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) |
17133 | Type = ComplexTy->getElementType(); |
17134 | if (Type->isRealFloatingType()) { |
17135 | llvm::APFloat InitValue = llvm::APFloat::getAllOnesValue( |
17136 | Context.getFloatTypeSemantics(Type), |
17137 | Context.getTypeSize(Type)); |
17138 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, |
17139 | Type, ELoc); |
17140 | } else if (Type->isScalarType()) { |
17141 | uint64_t Size = Context.getTypeSize(Type); |
17142 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); |
17143 | llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); |
17144 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); |
17145 | } |
17146 | if (Init && OrigType->isAnyComplexType()) { |
17147 | // Init = 0xFFFF + 0xFFFFi; |
17148 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); |
17149 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); |
17150 | } |
17151 | Type = OrigType; |
17152 | break; |
17153 | } |
17154 | case BO_LT: |
17155 | case BO_GT: { |
17156 | // 'min' reduction op - initializer is 'Largest representable number in |
17157 | // the reduction list item type'. |
17158 | // 'max' reduction op - initializer is 'Least representable number in |
17159 | // the reduction list item type'. |
17160 | if (Type->isIntegerType() || Type->isPointerType()) { |
17161 | bool IsSigned = Type->hasSignedIntegerRepresentation(); |
17162 | uint64_t Size = Context.getTypeSize(Type); |
17163 | QualType IntTy = |
17164 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); |
17165 | llvm::APInt InitValue = |
17166 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) |
17167 | : llvm::APInt::getMinValue(Size) |
17168 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) |
17169 | : llvm::APInt::getMaxValue(Size); |
17170 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); |
17171 | if (Type->isPointerType()) { |
17172 | // Cast to pointer type. |
17173 | ExprResult CastExpr = S.BuildCStyleCastExpr( |
17174 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); |
17175 | if (CastExpr.isInvalid()) |
17176 | continue; |
17177 | Init = CastExpr.get(); |
17178 | } |
17179 | } else if (Type->isRealFloatingType()) { |
17180 | llvm::APFloat InitValue = llvm::APFloat::getLargest( |
17181 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); |
17182 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, |
17183 | Type, ELoc); |
17184 | } |
17185 | break; |
17186 | } |
17187 | case BO_PtrMemD: |
17188 | case BO_PtrMemI: |
17189 | case BO_MulAssign: |
17190 | case BO_Div: |
17191 | case BO_Rem: |
17192 | case BO_Sub: |
17193 | case BO_Shl: |
17194 | case BO_Shr: |
17195 | case BO_LE: |
17196 | case BO_GE: |
17197 | case BO_EQ: |
17198 | case BO_NE: |
17199 | case BO_Cmp: |
17200 | case BO_AndAssign: |
17201 | case BO_XorAssign: |
17202 | case BO_OrAssign: |
17203 | case BO_Assign: |
17204 | case BO_AddAssign: |
17205 | case BO_SubAssign: |
17206 | case BO_DivAssign: |
17207 | case BO_RemAssign: |
17208 | case BO_ShlAssign: |
17209 | case BO_ShrAssign: |
17210 | case BO_Comma: |
17211 | llvm_unreachable("Unexpected reduction operation")__builtin_unreachable(); |
17212 | } |
17213 | } |
17214 | if (Init && DeclareReductionRef.isUnset()) { |
17215 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); |
17216 | // Store initializer for single element in private copy. Will be used |
17217 | // during codegen. |
17218 | PrivateVD->setInit(RHSVD->getInit()); |
17219 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); |
17220 | } else if (!Init) { |
17221 | S.ActOnUninitializedDecl(RHSVD); |
17222 | // Store initializer for single element in private copy. Will be used |
17223 | // during codegen. |
17224 | PrivateVD->setInit(RHSVD->getInit()); |
17225 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); |
17226 | } |
17227 | if (RHSVD->isInvalidDecl()) |
17228 | continue; |
17229 | if (!RHSVD->hasInit() && DeclareReductionRef.isUnset()) { |
17230 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) |
17231 | << Type << ReductionIdRange; |
17232 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == |
17233 | VarDecl::DeclarationOnly; |
17234 | S.Diag(D->getLocation(), |
17235 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17236 | << D; |
17237 | continue; |
17238 | } |
17239 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); |
17240 | ExprResult ReductionOp; |
17241 | if (DeclareReductionRef.isUsable()) { |
17242 | QualType RedTy = DeclareReductionRef.get()->getType(); |
17243 | QualType PtrRedTy = Context.getPointerType(RedTy); |
17244 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); |
17245 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); |
17246 | if (!BasePath.empty()) { |
17247 | LHS = S.DefaultLvalueConversion(LHS.get()); |
17248 | RHS = S.DefaultLvalueConversion(RHS.get()); |
17249 | LHS = ImplicitCastExpr::Create( |
17250 | Context, PtrRedTy, CK_UncheckedDerivedToBase, LHS.get(), &BasePath, |
17251 | LHS.get()->getValueKind(), FPOptionsOverride()); |
17252 | RHS = ImplicitCastExpr::Create( |
17253 | Context, PtrRedTy, CK_UncheckedDerivedToBase, RHS.get(), &BasePath, |
17254 | RHS.get()->getValueKind(), FPOptionsOverride()); |
17255 | } |
17256 | FunctionProtoType::ExtProtoInfo EPI; |
17257 | QualType Params[] = {PtrRedTy, PtrRedTy}; |
17258 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); |
17259 | auto *OVE = new (Context) OpaqueValueExpr( |
17260 | ELoc, Context.getPointerType(FnTy), VK_PRValue, OK_Ordinary, |
17261 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); |
17262 | Expr *Args[] = {LHS.get(), RHS.get()}; |
17263 | ReductionOp = |
17264 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_PRValue, ELoc, |
17265 | S.CurFPFeatureOverrides()); |
17266 | } else { |
17267 | BinaryOperatorKind CombBOK = getRelatedCompoundReductionOp(BOK); |
17268 | if (Type->isRecordType() && CombBOK != BOK) { |
17269 | Sema::TentativeAnalysisScope Trap(S); |
17270 | ReductionOp = |
17271 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
17272 | CombBOK, LHSDRE, RHSDRE); |
17273 | } |
17274 | if (!ReductionOp.isUsable()) { |
17275 | ReductionOp = |
17276 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, |
17277 | LHSDRE, RHSDRE); |
17278 | if (ReductionOp.isUsable()) { |
17279 | if (BOK != BO_LT && BOK != BO_GT) { |
17280 | ReductionOp = |
17281 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
17282 | BO_Assign, LHSDRE, ReductionOp.get()); |
17283 | } else { |
17284 | auto *ConditionalOp = new (Context) |
17285 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, |
17286 | RHSDRE, Type, VK_LValue, OK_Ordinary); |
17287 | ReductionOp = |
17288 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), |
17289 | BO_Assign, LHSDRE, ConditionalOp); |
17290 | } |
17291 | } |
17292 | } |
17293 | if (ReductionOp.isUsable()) |
17294 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), |
17295 | /*DiscardedValue*/ false); |
17296 | if (!ReductionOp.isUsable()) |
17297 | continue; |
17298 | } |
17299 | |
17300 | // Add copy operations for inscan reductions. |
17301 | // LHS = RHS; |
17302 | ExprResult CopyOpRes, TempArrayRes, TempArrayElem; |
17303 | if (ClauseKind == OMPC_reduction && |
17304 | RD.RedModifier == OMPC_REDUCTION_inscan) { |
17305 | ExprResult RHS = S.DefaultLvalueConversion(RHSDRE); |
17306 | CopyOpRes = S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, LHSDRE, |
17307 | RHS.get()); |
17308 | if (!CopyOpRes.isUsable()) |
17309 | continue; |
17310 | CopyOpRes = |
17311 | S.ActOnFinishFullExpr(CopyOpRes.get(), /*DiscardedValue=*/true); |
17312 | if (!CopyOpRes.isUsable()) |
17313 | continue; |
17314 | // For simd directive and simd-based directives in simd mode no need to |
17315 | // construct temp array, need just a single temp element. |
17316 | if (Stack->getCurrentDirective() == OMPD_simd || |
17317 | (S.getLangOpts().OpenMPSimd && |
17318 | isOpenMPSimdDirective(Stack->getCurrentDirective()))) { |
17319 | VarDecl *TempArrayVD = |
17320 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), |
17321 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
17322 | // Add a constructor to the temp decl. |
17323 | S.ActOnUninitializedDecl(TempArrayVD); |
17324 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, PrivateTy, ELoc); |
17325 | } else { |
17326 | // Build temp array for prefix sum. |
17327 | auto *Dim = new (S.Context) |
17328 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); |
17329 | QualType ArrayTy = |
17330 | S.Context.getVariableArrayType(PrivateTy, Dim, ArrayType::Normal, |
17331 | /*IndexTypeQuals=*/0, {ELoc, ELoc}); |
17332 | VarDecl *TempArrayVD = |
17333 | buildVarDecl(S, ELoc, ArrayTy, D->getName(), |
17334 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
17335 | // Add a constructor to the temp decl. |
17336 | S.ActOnUninitializedDecl(TempArrayVD); |
17337 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, ArrayTy, ELoc); |
17338 | TempArrayElem = |
17339 | S.DefaultFunctionArrayLvalueConversion(TempArrayRes.get()); |
17340 | auto *Idx = new (S.Context) |
17341 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); |
17342 | TempArrayElem = S.CreateBuiltinArraySubscriptExpr(TempArrayElem.get(), |
17343 | ELoc, Idx, ELoc); |
17344 | } |
17345 | } |
17346 | |
17347 | // OpenMP [2.15.4.6, Restrictions, p.2] |
17348 | // A list item that appears in an in_reduction clause of a task construct |
17349 | // must appear in a task_reduction clause of a construct associated with a |
17350 | // taskgroup region that includes the participating task in its taskgroup |
17351 | // set. The construct associated with the innermost region that meets this |
17352 | // condition must specify the same reduction-identifier as the in_reduction |
17353 | // clause. |
17354 | if (ClauseKind == OMPC_in_reduction) { |
17355 | SourceRange ParentSR; |
17356 | BinaryOperatorKind ParentBOK; |
17357 | const Expr *ParentReductionOp = nullptr; |
17358 | Expr *ParentBOKTD = nullptr, *ParentReductionOpTD = nullptr; |
17359 | DSAStackTy::DSAVarData ParentBOKDSA = |
17360 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, |
17361 | ParentBOKTD); |
17362 | DSAStackTy::DSAVarData ParentReductionOpDSA = |
17363 | Stack->getTopMostTaskgroupReductionData( |
17364 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); |
17365 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; |
17366 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; |
17367 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || |
17368 | (DeclareReductionRef.isUsable() && IsParentBOK) || |
17369 | (IsParentBOK && BOK != ParentBOK) || IsParentReductionOp) { |
17370 | bool EmitError = true; |
17371 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { |
17372 | llvm::FoldingSetNodeID RedId, ParentRedId; |
17373 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); |
17374 | DeclareReductionRef.get()->Profile(RedId, Context, |
17375 | /*Canonical=*/true); |
17376 | EmitError = RedId != ParentRedId; |
17377 | } |
17378 | if (EmitError) { |
17379 | S.Diag(ReductionId.getBeginLoc(), |
17380 | diag::err_omp_reduction_identifier_mismatch) |
17381 | << ReductionIdRange << RefExpr->getSourceRange(); |
17382 | S.Diag(ParentSR.getBegin(), |
17383 | diag::note_omp_previous_reduction_identifier) |
17384 | << ParentSR |
17385 | << (IsParentBOK ? ParentBOKDSA.RefExpr |
17386 | : ParentReductionOpDSA.RefExpr) |
17387 | ->getSourceRange(); |
17388 | continue; |
17389 | } |
17390 | } |
17391 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; |
17392 | } |
17393 | |
17394 | DeclRefExpr *Ref = nullptr; |
17395 | Expr *VarsExpr = RefExpr->IgnoreParens(); |
17396 | if (!VD && !S.CurContext->isDependentContext()) { |
17397 | if (ASE || OASE) { |
17398 | TransformExprToCaptures RebuildToCapture(S, D); |
17399 | VarsExpr = |
17400 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); |
17401 | Ref = RebuildToCapture.getCapturedExpr(); |
17402 | } else { |
17403 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); |
17404 | } |
17405 | if (!S.isOpenMPCapturedDecl(D)) { |
17406 | RD.ExprCaptures.emplace_back(Ref->getDecl()); |
17407 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { |
17408 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); |
17409 | if (!RefRes.isUsable()) |
17410 | continue; |
17411 | ExprResult PostUpdateRes = |
17412 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, |
17413 | RefRes.get()); |
17414 | if (!PostUpdateRes.isUsable()) |
17415 | continue; |
17416 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || |
17417 | Stack->getCurrentDirective() == OMPD_taskgroup) { |
17418 | S.Diag(RefExpr->getExprLoc(), |
17419 | diag::err_omp_reduction_non_addressable_expression) |
17420 | << RefExpr->getSourceRange(); |
17421 | continue; |
17422 | } |
17423 | RD.ExprPostUpdates.emplace_back( |
17424 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); |
17425 | } |
17426 | } |
17427 | } |
17428 | // All reduction items are still marked as reduction (to do not increase |
17429 | // code base size). |
17430 | unsigned Modifier = RD.RedModifier; |
17431 | // Consider task_reductions as reductions with task modifier. Required for |
17432 | // correct analysis of in_reduction clauses. |
17433 | if (CurrDir == OMPD_taskgroup && ClauseKind == OMPC_task_reduction) |
17434 | Modifier = OMPC_REDUCTION_task; |
17435 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref, Modifier, |
17436 | ASE || OASE); |
17437 | if (Modifier == OMPC_REDUCTION_task && |
17438 | (CurrDir == OMPD_taskgroup || |
17439 | ((isOpenMPParallelDirective(CurrDir) || |
17440 | isOpenMPWorksharingDirective(CurrDir)) && |
17441 | !isOpenMPSimdDirective(CurrDir)))) { |
17442 | if (DeclareReductionRef.isUsable()) |
17443 | Stack->addTaskgroupReductionData(D, ReductionIdRange, |
17444 | DeclareReductionRef.get()); |
17445 | else |
17446 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); |
17447 | } |
17448 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), |
17449 | TaskgroupDescriptor, CopyOpRes.get(), TempArrayRes.get(), |
17450 | TempArrayElem.get()); |
17451 | } |
17452 | return RD.Vars.empty(); |
17453 | } |
17454 | |
17455 | OMPClause *Sema::ActOnOpenMPReductionClause( |
17456 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, |
17457 | SourceLocation StartLoc, SourceLocation LParenLoc, |
17458 | SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, |
17459 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
17460 | ArrayRef<Expr *> UnresolvedReductions) { |
17461 | if (ModifierLoc.isValid() && Modifier == OMPC_REDUCTION_unknown) { |
17462 | Diag(LParenLoc, diag::err_omp_unexpected_clause_value) |
17463 | << getListOfPossibleValues(OMPC_reduction, /*First=*/0, |
17464 | /*Last=*/OMPC_REDUCTION_unknown) |
17465 | << getOpenMPClauseName(OMPC_reduction); |
17466 | return nullptr; |
17467 | } |
17468 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions |
17469 | // A reduction clause with the inscan reduction-modifier may only appear on a |
17470 | // worksharing-loop construct, a worksharing-loop SIMD construct, a simd |
17471 | // construct, a parallel worksharing-loop construct or a parallel |
17472 | // worksharing-loop SIMD construct. |
17473 | if (Modifier == OMPC_REDUCTION_inscan && |
17474 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for && |
17475 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for_simd && |
17476 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_simd && |
17477 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for && |
17478 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for_simd)) { |
17479 | Diag(ModifierLoc, diag::err_omp_wrong_inscan_reduction); |
17480 | return nullptr; |
17481 | } |
17482 | |
17483 | ReductionData RD(VarList.size(), Modifier); |
17484 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, |
17485 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
17486 | ReductionIdScopeSpec, ReductionId, |
17487 | UnresolvedReductions, RD)) |
17488 | return nullptr; |
17489 | |
17490 | return OMPReductionClause::Create( |
17491 | Context, StartLoc, LParenLoc, ModifierLoc, ColonLoc, EndLoc, Modifier, |
17492 | RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
17493 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.InscanCopyOps, |
17494 | RD.InscanCopyArrayTemps, RD.InscanCopyArrayElems, |
17495 | buildPreInits(Context, RD.ExprCaptures), |
17496 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
17497 | } |
17498 | |
17499 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( |
17500 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
17501 | SourceLocation ColonLoc, SourceLocation EndLoc, |
17502 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
17503 | ArrayRef<Expr *> UnresolvedReductions) { |
17504 | ReductionData RD(VarList.size()); |
17505 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, |
17506 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
17507 | ReductionIdScopeSpec, ReductionId, |
17508 | UnresolvedReductions, RD)) |
17509 | return nullptr; |
17510 | |
17511 | return OMPTaskReductionClause::Create( |
17512 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, |
17513 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
17514 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, |
17515 | buildPreInits(Context, RD.ExprCaptures), |
17516 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
17517 | } |
17518 | |
17519 | OMPClause *Sema::ActOnOpenMPInReductionClause( |
17520 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, |
17521 | SourceLocation ColonLoc, SourceLocation EndLoc, |
17522 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, |
17523 | ArrayRef<Expr *> UnresolvedReductions) { |
17524 | ReductionData RD(VarList.size()); |
17525 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, |
17526 | StartLoc, LParenLoc, ColonLoc, EndLoc, |
17527 | ReductionIdScopeSpec, ReductionId, |
17528 | UnresolvedReductions, RD)) |
17529 | return nullptr; |
17530 | |
17531 | return OMPInReductionClause::Create( |
17532 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, |
17533 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, |
17534 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, |
17535 | buildPreInits(Context, RD.ExprCaptures), |
17536 | buildPostUpdate(*this, RD.ExprPostUpdates)); |
17537 | } |
17538 | |
17539 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, |
17540 | SourceLocation LinLoc) { |
17541 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || |
17542 | LinKind == OMPC_LINEAR_unknown) { |
17543 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; |
17544 | return true; |
17545 | } |
17546 | return false; |
17547 | } |
17548 | |
17549 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, |
17550 | OpenMPLinearClauseKind LinKind, QualType Type, |
17551 | bool IsDeclareSimd) { |
17552 | const auto *VD = dyn_cast_or_null<VarDecl>(D); |
17553 | // A variable must not have an incomplete type or a reference type. |
17554 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) |
17555 | return true; |
17556 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && |
17557 | !Type->isReferenceType()) { |
17558 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) |
17559 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); |
17560 | return true; |
17561 | } |
17562 | Type = Type.getNonReferenceType(); |
17563 | |
17564 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] |
17565 | // A variable that is privatized must not have a const-qualified type |
17566 | // unless it is of class type with a mutable member. This restriction does |
17567 | // not apply to the firstprivate clause, nor to the linear clause on |
17568 | // declarative directives (like declare simd). |
17569 | if (!IsDeclareSimd && |
17570 | rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) |
17571 | return true; |
17572 | |
17573 | // A list item must be of integral or pointer type. |
17574 | Type = Type.getUnqualifiedType().getCanonicalType(); |
17575 | const auto *Ty = Type.getTypePtrOrNull(); |
17576 | if (!Ty || (LinKind != OMPC_LINEAR_ref && !Ty->isDependentType() && |
17577 | !Ty->isIntegralType(Context) && !Ty->isPointerType())) { |
17578 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; |
17579 | if (D) { |
17580 | bool IsDecl = |
17581 | !VD || |
17582 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
17583 | Diag(D->getLocation(), |
17584 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17585 | << D; |
17586 | } |
17587 | return true; |
17588 | } |
17589 | return false; |
17590 | } |
17591 | |
17592 | OMPClause *Sema::ActOnOpenMPLinearClause( |
17593 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, |
17594 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, |
17595 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { |
17596 | SmallVector<Expr *, 8> Vars; |
17597 | SmallVector<Expr *, 8> Privates; |
17598 | SmallVector<Expr *, 8> Inits; |
17599 | SmallVector<Decl *, 4> ExprCaptures; |
17600 | SmallVector<Expr *, 4> ExprPostUpdates; |
17601 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) |
17602 | LinKind = OMPC_LINEAR_val; |
17603 | for (Expr *RefExpr : VarList) { |
17604 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast<void> (0)); |
17605 | SourceLocation ELoc; |
17606 | SourceRange ERange; |
17607 | Expr *SimpleRefExpr = RefExpr; |
17608 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
17609 | if (Res.second) { |
17610 | // It will be analyzed later. |
17611 | Vars.push_back(RefExpr); |
17612 | Privates.push_back(nullptr); |
17613 | Inits.push_back(nullptr); |
17614 | } |
17615 | ValueDecl *D = Res.first; |
17616 | if (!D) |
17617 | continue; |
17618 | |
17619 | QualType Type = D->getType(); |
17620 | auto *VD = dyn_cast<VarDecl>(D); |
17621 | |
17622 | // OpenMP [2.14.3.7, linear clause] |
17623 | // A list-item cannot appear in more than one linear clause. |
17624 | // A list-item that appears in a linear clause cannot appear in any |
17625 | // other data-sharing attribute clause. |
17626 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
17627 | if (DVar.RefExpr) { |
17628 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) |
17629 | << getOpenMPClauseName(OMPC_linear); |
17630 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
17631 | continue; |
17632 | } |
17633 | |
17634 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) |
17635 | continue; |
17636 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); |
17637 | |
17638 | // Build private copy of original var. |
17639 | VarDecl *Private = |
17640 | buildVarDecl(*this, ELoc, Type, D->getName(), |
17641 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
17642 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
17643 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); |
17644 | // Build var to save initial value. |
17645 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); |
17646 | Expr *InitExpr; |
17647 | DeclRefExpr *Ref = nullptr; |
17648 | if (!VD && !CurContext->isDependentContext()) { |
17649 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
17650 | if (!isOpenMPCapturedDecl(D)) { |
17651 | ExprCaptures.push_back(Ref->getDecl()); |
17652 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { |
17653 | ExprResult RefRes = DefaultLvalueConversion(Ref); |
17654 | if (!RefRes.isUsable()) |
17655 | continue; |
17656 | ExprResult PostUpdateRes = |
17657 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, |
17658 | SimpleRefExpr, RefRes.get()); |
17659 | if (!PostUpdateRes.isUsable()) |
17660 | continue; |
17661 | ExprPostUpdates.push_back( |
17662 | IgnoredValueConversions(PostUpdateRes.get()).get()); |
17663 | } |
17664 | } |
17665 | } |
17666 | if (LinKind == OMPC_LINEAR_uval) |
17667 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; |
17668 | else |
17669 | InitExpr = VD ? SimpleRefExpr : Ref; |
17670 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), |
17671 | /*DirectInit=*/false); |
17672 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); |
17673 | |
17674 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); |
17675 | Vars.push_back((VD || CurContext->isDependentContext()) |
17676 | ? RefExpr->IgnoreParens() |
17677 | : Ref); |
17678 | Privates.push_back(PrivateRef); |
17679 | Inits.push_back(InitRef); |
17680 | } |
17681 | |
17682 | if (Vars.empty()) |
17683 | return nullptr; |
17684 | |
17685 | Expr *StepExpr = Step; |
17686 | Expr *CalcStepExpr = nullptr; |
17687 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && |
17688 | !Step->isInstantiationDependent() && |
17689 | !Step->containsUnexpandedParameterPack()) { |
17690 | SourceLocation StepLoc = Step->getBeginLoc(); |
17691 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); |
17692 | if (Val.isInvalid()) |
17693 | return nullptr; |
17694 | StepExpr = Val.get(); |
17695 | |
17696 | // Build var to save the step value. |
17697 | VarDecl *SaveVar = |
17698 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); |
17699 | ExprResult SaveRef = |
17700 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); |
17701 | ExprResult CalcStep = |
17702 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); |
17703 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); |
17704 | |
17705 | // Warn about zero linear step (it would be probably better specified as |
17706 | // making corresponding variables 'const'). |
17707 | if (Optional<llvm::APSInt> Result = |
17708 | StepExpr->getIntegerConstantExpr(Context)) { |
17709 | if (!Result->isNegative() && !Result->isStrictlyPositive()) |
17710 | Diag(StepLoc, diag::warn_omp_linear_step_zero) |
17711 | << Vars[0] << (Vars.size() > 1); |
17712 | } else if (CalcStep.isUsable()) { |
17713 | // Calculate the step beforehand instead of doing this on each iteration. |
17714 | // (This is not used if the number of iterations may be kfold-ed). |
17715 | CalcStepExpr = CalcStep.get(); |
17716 | } |
17717 | } |
17718 | |
17719 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, |
17720 | ColonLoc, EndLoc, Vars, Privates, Inits, |
17721 | StepExpr, CalcStepExpr, |
17722 | buildPreInits(Context, ExprCaptures), |
17723 | buildPostUpdate(*this, ExprPostUpdates)); |
17724 | } |
17725 | |
17726 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, |
17727 | Expr *NumIterations, Sema &SemaRef, |
17728 | Scope *S, DSAStackTy *Stack) { |
17729 | // Walk the vars and build update/final expressions for the CodeGen. |
17730 | SmallVector<Expr *, 8> Updates; |
17731 | SmallVector<Expr *, 8> Finals; |
17732 | SmallVector<Expr *, 8> UsedExprs; |
17733 | Expr *Step = Clause.getStep(); |
17734 | Expr *CalcStep = Clause.getCalcStep(); |
17735 | // OpenMP [2.14.3.7, linear clause] |
17736 | // If linear-step is not specified it is assumed to be 1. |
17737 | if (!Step) |
17738 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); |
17739 | else if (CalcStep) |
17740 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); |
17741 | bool HasErrors = false; |
17742 | auto CurInit = Clause.inits().begin(); |
17743 | auto CurPrivate = Clause.privates().begin(); |
17744 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); |
17745 | for (Expr *RefExpr : Clause.varlists()) { |
17746 | SourceLocation ELoc; |
17747 | SourceRange ERange; |
17748 | Expr *SimpleRefExpr = RefExpr; |
17749 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); |
17750 | ValueDecl *D = Res.first; |
17751 | if (Res.second || !D) { |
17752 | Updates.push_back(nullptr); |
17753 | Finals.push_back(nullptr); |
17754 | HasErrors = true; |
17755 | continue; |
17756 | } |
17757 | auto &&Info = Stack->isLoopControlVariable(D); |
17758 | // OpenMP [2.15.11, distribute simd Construct] |
17759 | // A list item may not appear in a linear clause, unless it is the loop |
17760 | // iteration variable. |
17761 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && |
17762 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { |
17763 | SemaRef.Diag(ELoc, |
17764 | diag::err_omp_linear_distribute_var_non_loop_iteration); |
17765 | Updates.push_back(nullptr); |
17766 | Finals.push_back(nullptr); |
17767 | HasErrors = true; |
17768 | continue; |
17769 | } |
17770 | Expr *InitExpr = *CurInit; |
17771 | |
17772 | // Build privatized reference to the current linear var. |
17773 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); |
17774 | Expr *CapturedRef; |
17775 | if (LinKind == OMPC_LINEAR_uval) |
17776 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); |
17777 | else |
17778 | CapturedRef = |
17779 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), |
17780 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), |
17781 | /*RefersToCapture=*/true); |
17782 | |
17783 | // Build update: Var = InitExpr + IV * Step |
17784 | ExprResult Update; |
17785 | if (!Info.first) |
17786 | Update = buildCounterUpdate( |
17787 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, |
17788 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); |
17789 | else |
17790 | Update = *CurPrivate; |
17791 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), |
17792 | /*DiscardedValue*/ false); |
17793 | |
17794 | // Build final: Var = InitExpr + NumIterations * Step |
17795 | ExprResult Final; |
17796 | if (!Info.first) |
17797 | Final = |
17798 | buildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), CapturedRef, |
17799 | InitExpr, NumIterations, Step, /*Subtract=*/false, |
17800 | /*IsNonRectangularLB=*/false); |
17801 | else |
17802 | Final = *CurPrivate; |
17803 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), |
17804 | /*DiscardedValue*/ false); |
17805 | |
17806 | if (!Update.isUsable() || !Final.isUsable()) { |
17807 | Updates.push_back(nullptr); |
17808 | Finals.push_back(nullptr); |
17809 | UsedExprs.push_back(nullptr); |
17810 | HasErrors = true; |
17811 | } else { |
17812 | Updates.push_back(Update.get()); |
17813 | Finals.push_back(Final.get()); |
17814 | if (!Info.first) |
17815 | UsedExprs.push_back(SimpleRefExpr); |
17816 | } |
17817 | ++CurInit; |
17818 | ++CurPrivate; |
17819 | } |
17820 | if (Expr *S = Clause.getStep()) |
17821 | UsedExprs.push_back(S); |
17822 | // Fill the remaining part with the nullptr. |
17823 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); |
17824 | Clause.setUpdates(Updates); |
17825 | Clause.setFinals(Finals); |
17826 | Clause.setUsedExprs(UsedExprs); |
17827 | return HasErrors; |
17828 | } |
17829 | |
17830 | OMPClause *Sema::ActOnOpenMPAlignedClause( |
17831 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, |
17832 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { |
17833 | SmallVector<Expr *, 8> Vars; |
17834 | for (Expr *RefExpr : VarList) { |
17835 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast<void> (0)); |
17836 | SourceLocation ELoc; |
17837 | SourceRange ERange; |
17838 | Expr *SimpleRefExpr = RefExpr; |
17839 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
17840 | if (Res.second) { |
17841 | // It will be analyzed later. |
17842 | Vars.push_back(RefExpr); |
17843 | } |
17844 | ValueDecl *D = Res.first; |
17845 | if (!D) |
17846 | continue; |
17847 | |
17848 | QualType QType = D->getType(); |
17849 | auto *VD = dyn_cast<VarDecl>(D); |
17850 | |
17851 | // OpenMP [2.8.1, simd construct, Restrictions] |
17852 | // The type of list items appearing in the aligned clause must be |
17853 | // array, pointer, reference to array, or reference to pointer. |
17854 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); |
17855 | const Type *Ty = QType.getTypePtrOrNull(); |
17856 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { |
17857 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) |
17858 | << QType << getLangOpts().CPlusPlus << ERange; |
17859 | bool IsDecl = |
17860 | !VD || |
17861 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
17862 | Diag(D->getLocation(), |
17863 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
17864 | << D; |
17865 | continue; |
17866 | } |
17867 | |
17868 | // OpenMP [2.8.1, simd construct, Restrictions] |
17869 | // A list-item cannot appear in more than one aligned clause. |
17870 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { |
17871 | Diag(ELoc, diag::err_omp_used_in_clause_twice) |
17872 | << 0 << getOpenMPClauseName(OMPC_aligned) << ERange; |
17873 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) |
17874 | << getOpenMPClauseName(OMPC_aligned); |
17875 | continue; |
17876 | } |
17877 | |
17878 | DeclRefExpr *Ref = nullptr; |
17879 | if (!VD && isOpenMPCapturedDecl(D)) |
17880 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
17881 | Vars.push_back(DefaultFunctionArrayConversion( |
17882 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) |
17883 | .get()); |
17884 | } |
17885 | |
17886 | // OpenMP [2.8.1, simd construct, Description] |
17887 | // The parameter of the aligned clause, alignment, must be a constant |
17888 | // positive integer expression. |
17889 | // If no optional parameter is specified, implementation-defined default |
17890 | // alignments for SIMD instructions on the target platforms are assumed. |
17891 | if (Alignment != nullptr) { |
17892 | ExprResult AlignResult = |
17893 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); |
17894 | if (AlignResult.isInvalid()) |
17895 | return nullptr; |
17896 | Alignment = AlignResult.get(); |
17897 | } |
17898 | if (Vars.empty()) |
17899 | return nullptr; |
17900 | |
17901 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, |
17902 | EndLoc, Vars, Alignment); |
17903 | } |
17904 | |
17905 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, |
17906 | SourceLocation StartLoc, |
17907 | SourceLocation LParenLoc, |
17908 | SourceLocation EndLoc) { |
17909 | SmallVector<Expr *, 8> Vars; |
17910 | SmallVector<Expr *, 8> SrcExprs; |
17911 | SmallVector<Expr *, 8> DstExprs; |
17912 | SmallVector<Expr *, 8> AssignmentOps; |
17913 | for (Expr *RefExpr : VarList) { |
17914 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")(static_cast<void> (0)); |
17915 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { |
17916 | // It will be analyzed later. |
17917 | Vars.push_back(RefExpr); |
17918 | SrcExprs.push_back(nullptr); |
17919 | DstExprs.push_back(nullptr); |
17920 | AssignmentOps.push_back(nullptr); |
17921 | continue; |
17922 | } |
17923 | |
17924 | SourceLocation ELoc = RefExpr->getExprLoc(); |
17925 | // OpenMP [2.1, C/C++] |
17926 | // A list item is a variable name. |
17927 | // OpenMP [2.14.4.1, Restrictions, p.1] |
17928 | // A list item that appears in a copyin clause must be threadprivate. |
17929 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); |
17930 | if (!DE || !isa<VarDecl>(DE->getDecl())) { |
17931 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) |
17932 | << 0 << RefExpr->getSourceRange(); |
17933 | continue; |
17934 | } |
17935 | |
17936 | Decl *D = DE->getDecl(); |
17937 | auto *VD = cast<VarDecl>(D); |
17938 | |
17939 | QualType Type = VD->getType(); |
17940 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { |
17941 | // It will be analyzed later. |
17942 | Vars.push_back(DE); |
17943 | SrcExprs.push_back(nullptr); |
17944 | DstExprs.push_back(nullptr); |
17945 | AssignmentOps.push_back(nullptr); |
17946 | continue; |
17947 | } |
17948 | |
17949 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] |
17950 | // A list item that appears in a copyin clause must be threadprivate. |
17951 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
17952 | Diag(ELoc, diag::err_omp_required_access) |
17953 | << getOpenMPClauseName(OMPC_copyin) |
17954 | << getOpenMPDirectiveName(OMPD_threadprivate); |
17955 | continue; |
17956 | } |
17957 | |
17958 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] |
17959 | // A variable of class type (or array thereof) that appears in a |
17960 | // copyin clause requires an accessible, unambiguous copy assignment |
17961 | // operator for the class type. |
17962 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); |
17963 | VarDecl *SrcVD = |
17964 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), |
17965 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); |
17966 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( |
17967 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); |
17968 | VarDecl *DstVD = |
17969 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", |
17970 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); |
17971 | DeclRefExpr *PseudoDstExpr = |
17972 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); |
17973 | // For arrays generate assignment operation for single element and replace |
17974 | // it by the original array element in CodeGen. |
17975 | ExprResult AssignmentOp = |
17976 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, |
17977 | PseudoSrcExpr); |
17978 | if (AssignmentOp.isInvalid()) |
17979 | continue; |
17980 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), |
17981 | /*DiscardedValue*/ false); |
17982 | if (AssignmentOp.isInvalid()) |
17983 | continue; |
17984 | |
17985 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); |
17986 | Vars.push_back(DE); |
17987 | SrcExprs.push_back(PseudoSrcExpr); |
17988 | DstExprs.push_back(PseudoDstExpr); |
17989 | AssignmentOps.push_back(AssignmentOp.get()); |
17990 | } |
17991 | |
17992 | if (Vars.empty()) |
17993 | return nullptr; |
17994 | |
17995 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, |
17996 | SrcExprs, DstExprs, AssignmentOps); |
17997 | } |
17998 | |
17999 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, |
18000 | SourceLocation StartLoc, |
18001 | SourceLocation LParenLoc, |
18002 | SourceLocation EndLoc) { |
18003 | SmallVector<Expr *, 8> Vars; |
18004 | SmallVector<Expr *, 8> SrcExprs; |
18005 | SmallVector<Expr *, 8> DstExprs; |
18006 | SmallVector<Expr *, 8> AssignmentOps; |
18007 | for (Expr *RefExpr : VarList) { |
18008 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast<void> (0)); |
18009 | SourceLocation ELoc; |
18010 | SourceRange ERange; |
18011 | Expr *SimpleRefExpr = RefExpr; |
18012 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
18013 | if (Res.second) { |
18014 | // It will be analyzed later. |
18015 | Vars.push_back(RefExpr); |
18016 | SrcExprs.push_back(nullptr); |
18017 | DstExprs.push_back(nullptr); |
18018 | AssignmentOps.push_back(nullptr); |
18019 | } |
18020 | ValueDecl *D = Res.first; |
18021 | if (!D) |
18022 | continue; |
18023 | |
18024 | QualType Type = D->getType(); |
18025 | auto *VD = dyn_cast<VarDecl>(D); |
18026 | |
18027 | // OpenMP [2.14.4.2, Restrictions, p.2] |
18028 | // A list item that appears in a copyprivate clause may not appear in a |
18029 | // private or firstprivate clause on the single construct. |
18030 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
18031 | DSAStackTy::DSAVarData DVar = |
18032 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
18033 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && |
18034 | DVar.RefExpr) { |
18035 | Diag(ELoc, diag::err_omp_wrong_dsa) |
18036 | << getOpenMPClauseName(DVar.CKind) |
18037 | << getOpenMPClauseName(OMPC_copyprivate); |
18038 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18039 | continue; |
18040 | } |
18041 | |
18042 | // OpenMP [2.11.4.2, Restrictions, p.1] |
18043 | // All list items that appear in a copyprivate clause must be either |
18044 | // threadprivate or private in the enclosing context. |
18045 | if (DVar.CKind == OMPC_unknown) { |
18046 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); |
18047 | if (DVar.CKind == OMPC_shared) { |
18048 | Diag(ELoc, diag::err_omp_required_access) |
18049 | << getOpenMPClauseName(OMPC_copyprivate) |
18050 | << "threadprivate or private in the enclosing context"; |
18051 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
18052 | continue; |
18053 | } |
18054 | } |
18055 | } |
18056 | |
18057 | // Variably modified types are not supported. |
18058 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { |
18059 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) |
18060 | << getOpenMPClauseName(OMPC_copyprivate) << Type |
18061 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
18062 | bool IsDecl = |
18063 | !VD || |
18064 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; |
18065 | Diag(D->getLocation(), |
18066 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) |
18067 | << D; |
18068 | continue; |
18069 | } |
18070 | |
18071 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] |
18072 | // A variable of class type (or array thereof) that appears in a |
18073 | // copyin clause requires an accessible, unambiguous copy assignment |
18074 | // operator for the class type. |
18075 | Type = Context.getBaseElementType(Type.getNonReferenceType()) |
18076 | .getUnqualifiedType(); |
18077 | VarDecl *SrcVD = |
18078 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", |
18079 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18080 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); |
18081 | VarDecl *DstVD = |
18082 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", |
18083 | D->hasAttrs() ? &D->getAttrs() : nullptr); |
18084 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); |
18085 | ExprResult AssignmentOp = BuildBinOp( |
18086 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); |
18087 | if (AssignmentOp.isInvalid()) |
18088 | continue; |
18089 | AssignmentOp = |
18090 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); |
18091 | if (AssignmentOp.isInvalid()) |
18092 | continue; |
18093 | |
18094 | // No need to mark vars as copyprivate, they are already threadprivate or |
18095 | // implicitly private. |
18096 | assert(VD || isOpenMPCapturedDecl(D))(static_cast<void> (0)); |
18097 | Vars.push_back( |
18098 | VD ? RefExpr->IgnoreParens() |
18099 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); |
18100 | SrcExprs.push_back(PseudoSrcExpr); |
18101 | DstExprs.push_back(PseudoDstExpr); |
18102 | AssignmentOps.push_back(AssignmentOp.get()); |
18103 | } |
18104 | |
18105 | if (Vars.empty()) |
18106 | return nullptr; |
18107 | |
18108 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
18109 | Vars, SrcExprs, DstExprs, AssignmentOps); |
18110 | } |
18111 | |
18112 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, |
18113 | SourceLocation StartLoc, |
18114 | SourceLocation LParenLoc, |
18115 | SourceLocation EndLoc) { |
18116 | if (VarList.empty()) |
18117 | return nullptr; |
18118 | |
18119 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); |
18120 | } |
18121 | |
18122 | /// Tries to find omp_depend_t. type. |
18123 | static bool findOMPDependT(Sema &S, SourceLocation Loc, DSAStackTy *Stack, |
18124 | bool Diagnose = true) { |
18125 | QualType OMPDependT = Stack->getOMPDependT(); |
18126 | if (!OMPDependT.isNull()) |
18127 | return true; |
18128 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_depend_t"); |
18129 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); |
18130 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
18131 | if (Diagnose) |
18132 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_depend_t"; |
18133 | return false; |
18134 | } |
18135 | Stack->setOMPDependT(PT.get()); |
18136 | return true; |
18137 | } |
18138 | |
18139 | OMPClause *Sema::ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, |
18140 | SourceLocation LParenLoc, |
18141 | SourceLocation EndLoc) { |
18142 | if (!Depobj) |
18143 | return nullptr; |
18144 | |
18145 | bool OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )); |
18146 | |
18147 | // OpenMP 5.0, 2.17.10.1 depobj Construct |
18148 | // depobj is an lvalue expression of type omp_depend_t. |
18149 | if (!Depobj->isTypeDependent() && !Depobj->isValueDependent() && |
18150 | !Depobj->isInstantiationDependent() && |
18151 | !Depobj->containsUnexpandedParameterPack() && |
18152 | (OMPDependTFound && |
18153 | !Context.typesAreCompatible(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), Depobj->getType(), |
18154 | /*CompareUnqualified=*/true))) { |
18155 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) |
18156 | << 0 << Depobj->getType() << Depobj->getSourceRange(); |
18157 | } |
18158 | |
18159 | if (!Depobj->isLValue()) { |
18160 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) |
18161 | << 1 << Depobj->getSourceRange(); |
18162 | } |
18163 | |
18164 | return OMPDepobjClause::Create(Context, StartLoc, LParenLoc, EndLoc, Depobj); |
18165 | } |
18166 | |
18167 | OMPClause * |
18168 | Sema::ActOnOpenMPDependClause(Expr *DepModifier, OpenMPDependClauseKind DepKind, |
18169 | SourceLocation DepLoc, SourceLocation ColonLoc, |
18170 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
18171 | SourceLocation LParenLoc, SourceLocation EndLoc) { |
18172 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && |
18173 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { |
18174 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) |
18175 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); |
18176 | return nullptr; |
18177 | } |
18178 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered || |
18179 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && |
18180 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || |
18181 | DepKind == OMPC_DEPEND_sink || |
18182 | ((LangOpts.OpenMP < 50 || |
18183 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && |
18184 | DepKind == OMPC_DEPEND_depobj))) { |
18185 | SmallVector<unsigned, 3> Except; |
18186 | Except.push_back(OMPC_DEPEND_source); |
18187 | Except.push_back(OMPC_DEPEND_sink); |
18188 | if (LangOpts.OpenMP < 50 || DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) |
18189 | Except.push_back(OMPC_DEPEND_depobj); |
18190 | std::string Expected = (LangOpts.OpenMP >= 50 && !DepModifier) |
18191 | ? "depend modifier(iterator) or " |
18192 | : ""; |
18193 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) |
18194 | << Expected + getListOfPossibleValues(OMPC_depend, /*First=*/0, |
18195 | /*Last=*/OMPC_DEPEND_unknown, |
18196 | Except) |
18197 | << getOpenMPClauseName(OMPC_depend); |
18198 | return nullptr; |
18199 | } |
18200 | if (DepModifier && |
18201 | (DepKind == OMPC_DEPEND_source || DepKind == OMPC_DEPEND_sink)) { |
18202 | Diag(DepModifier->getExprLoc(), |
18203 | diag::err_omp_depend_sink_source_with_modifier); |
18204 | return nullptr; |
18205 | } |
18206 | if (DepModifier && |
18207 | !DepModifier->getType()->isSpecificBuiltinType(BuiltinType::OMPIterator)) |
18208 | Diag(DepModifier->getExprLoc(), diag::err_omp_depend_modifier_not_iterator); |
18209 | |
18210 | SmallVector<Expr *, 8> Vars; |
18211 | DSAStackTy::OperatorOffsetTy OpsOffs; |
18212 | llvm::APSInt DepCounter(/*BitWidth=*/32); |
18213 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); |
18214 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { |
18215 | if (const Expr *OrderedCountExpr = |
18216 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { |
18217 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); |
18218 | TotalDepCount.setIsUnsigned(/*Val=*/true); |
18219 | } |
18220 | } |
18221 | for (Expr *RefExpr : VarList) { |
18222 | assert(RefExpr && "NULL expr in OpenMP shared clause.")(static_cast<void> (0)); |
18223 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { |
18224 | // It will be analyzed later. |
18225 | Vars.push_back(RefExpr); |
18226 | continue; |
18227 | } |
18228 | |
18229 | SourceLocation ELoc = RefExpr->getExprLoc(); |
18230 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); |
18231 | if (DepKind == OMPC_DEPEND_sink) { |
18232 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
18233 | DepCounter >= TotalDepCount) { |
18234 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); |
18235 | continue; |
18236 | } |
18237 | ++DepCounter; |
18238 | // OpenMP [2.13.9, Summary] |
18239 | // depend(dependence-type : vec), where dependence-type is: |
18240 | // 'sink' and where vec is the iteration vector, which has the form: |
18241 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] |
18242 | // where n is the value specified by the ordered clause in the loop |
18243 | // directive, xi denotes the loop iteration variable of the i-th nested |
18244 | // loop associated with the loop directive, and di is a constant |
18245 | // non-negative integer. |
18246 | if (CurContext->isDependentContext()) { |
18247 | // It will be analyzed later. |
18248 | Vars.push_back(RefExpr); |
18249 | continue; |
18250 | } |
18251 | SimpleExpr = SimpleExpr->IgnoreImplicit(); |
18252 | OverloadedOperatorKind OOK = OO_None; |
18253 | SourceLocation OOLoc; |
18254 | Expr *LHS = SimpleExpr; |
18255 | Expr *RHS = nullptr; |
18256 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { |
18257 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); |
18258 | OOLoc = BO->getOperatorLoc(); |
18259 | LHS = BO->getLHS()->IgnoreParenImpCasts(); |
18260 | RHS = BO->getRHS()->IgnoreParenImpCasts(); |
18261 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { |
18262 | OOK = OCE->getOperator(); |
18263 | OOLoc = OCE->getOperatorLoc(); |
18264 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); |
18265 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); |
18266 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { |
18267 | OOK = MCE->getMethodDecl() |
18268 | ->getNameInfo() |
18269 | .getName() |
18270 | .getCXXOverloadedOperator(); |
18271 | OOLoc = MCE->getCallee()->getExprLoc(); |
18272 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); |
18273 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); |
18274 | } |
18275 | SourceLocation ELoc; |
18276 | SourceRange ERange; |
18277 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); |
18278 | if (Res.second) { |
18279 | // It will be analyzed later. |
18280 | Vars.push_back(RefExpr); |
18281 | } |
18282 | ValueDecl *D = Res.first; |
18283 | if (!D) |
18284 | continue; |
18285 | |
18286 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { |
18287 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); |
18288 | continue; |
18289 | } |
18290 | if (RHS) { |
18291 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( |
18292 | RHS, OMPC_depend, /*StrictlyPositive=*/false); |
18293 | if (RHSRes.isInvalid()) |
18294 | continue; |
18295 | } |
18296 | if (!CurContext->isDependentContext() && |
18297 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
18298 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { |
18299 | const ValueDecl *VD = |
18300 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); |
18301 | if (VD) |
18302 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) |
18303 | << 1 << VD; |
18304 | else |
18305 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; |
18306 | continue; |
18307 | } |
18308 | OpsOffs.emplace_back(RHS, OOK); |
18309 | } else { |
18310 | bool OMPDependTFound = LangOpts.OpenMP >= 50; |
18311 | if (OMPDependTFound) |
18312 | OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), |
18313 | DepKind == OMPC_DEPEND_depobj); |
18314 | if (DepKind == OMPC_DEPEND_depobj) { |
18315 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ |
18316 | // List items used in depend clauses with the depobj dependence type |
18317 | // must be expressions of the omp_depend_t type. |
18318 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && |
18319 | !RefExpr->isInstantiationDependent() && |
18320 | !RefExpr->containsUnexpandedParameterPack() && |
18321 | (OMPDependTFound && |
18322 | !Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), |
18323 | RefExpr->getType()))) { |
18324 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) |
18325 | << 0 << RefExpr->getType() << RefExpr->getSourceRange(); |
18326 | continue; |
18327 | } |
18328 | if (!RefExpr->isLValue()) { |
18329 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) |
18330 | << 1 << RefExpr->getType() << RefExpr->getSourceRange(); |
18331 | continue; |
18332 | } |
18333 | } else { |
18334 | // OpenMP 5.0 [2.17.11, Restrictions] |
18335 | // List items used in depend clauses cannot be zero-length array |
18336 | // sections. |
18337 | QualType ExprTy = RefExpr->getType().getNonReferenceType(); |
18338 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(SimpleExpr); |
18339 | if (OASE) { |
18340 | QualType BaseType = |
18341 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
18342 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
18343 | ExprTy = ATy->getElementType(); |
18344 | else |
18345 | ExprTy = BaseType->getPointeeType(); |
18346 | ExprTy = ExprTy.getNonReferenceType(); |
18347 | const Expr *Length = OASE->getLength(); |
18348 | Expr::EvalResult Result; |
18349 | if (Length && !Length->isValueDependent() && |
18350 | Length->EvaluateAsInt(Result, Context) && |
18351 | Result.Val.getInt().isNullValue()) { |
18352 | Diag(ELoc, |
18353 | diag::err_omp_depend_zero_length_array_section_not_allowed) |
18354 | << SimpleExpr->getSourceRange(); |
18355 | continue; |
18356 | } |
18357 | } |
18358 | |
18359 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ |
18360 | // List items used in depend clauses with the in, out, inout or |
18361 | // mutexinoutset dependence types cannot be expressions of the |
18362 | // omp_depend_t type. |
18363 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && |
18364 | !RefExpr->isInstantiationDependent() && |
18365 | !RefExpr->containsUnexpandedParameterPack() && |
18366 | (OMPDependTFound && |
18367 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT().getTypePtr() == ExprTy.getTypePtr())) { |
18368 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
18369 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << 1 |
18370 | << RefExpr->getSourceRange(); |
18371 | continue; |
18372 | } |
18373 | |
18374 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); |
18375 | if (!RefExpr->IgnoreParenImpCasts()->isLValue() || |
18376 | (ASE && !ASE->getBase()->isTypeDependent() && |
18377 | !ASE->getBase() |
18378 | ->getType() |
18379 | .getNonReferenceType() |
18380 | ->isPointerType() && |
18381 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType())) { |
18382 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
18383 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
18384 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
18385 | continue; |
18386 | } |
18387 | |
18388 | ExprResult Res; |
18389 | { |
18390 | Sema::TentativeAnalysisScope Trap(*this); |
18391 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, |
18392 | RefExpr->IgnoreParenImpCasts()); |
18393 | } |
18394 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && |
18395 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { |
18396 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
18397 | << (LangOpts.OpenMP >= 50 ? 1 : 0) |
18398 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); |
18399 | continue; |
18400 | } |
18401 | } |
18402 | } |
18403 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); |
18404 | } |
18405 | |
18406 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && |
18407 | TotalDepCount > VarList.size() && |
18408 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && |
18409 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { |
18410 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) |
18411 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); |
18412 | } |
18413 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && |
18414 | Vars.empty()) |
18415 | return nullptr; |
18416 | |
18417 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
18418 | DepModifier, DepKind, DepLoc, ColonLoc, |
18419 | Vars, TotalDepCount.getZExtValue()); |
18420 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && |
18421 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) |
18422 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); |
18423 | return C; |
18424 | } |
18425 | |
18426 | OMPClause *Sema::ActOnOpenMPDeviceClause(OpenMPDeviceClauseModifier Modifier, |
18427 | Expr *Device, SourceLocation StartLoc, |
18428 | SourceLocation LParenLoc, |
18429 | SourceLocation ModifierLoc, |
18430 | SourceLocation EndLoc) { |
18431 | assert((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) &&(static_cast<void> (0)) |
18432 | "Unexpected device modifier in OpenMP < 50.")(static_cast<void> (0)); |
18433 | |
18434 | bool ErrorFound = false; |
18435 | if (ModifierLoc.isValid() && Modifier == OMPC_DEVICE_unknown) { |
18436 | std::string Values = |
18437 | getListOfPossibleValues(OMPC_device, /*First=*/0, OMPC_DEVICE_unknown); |
18438 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) |
18439 | << Values << getOpenMPClauseName(OMPC_device); |
18440 | ErrorFound = true; |
18441 | } |
18442 | |
18443 | Expr *ValExpr = Device; |
18444 | Stmt *HelperValStmt = nullptr; |
18445 | |
18446 | // OpenMP [2.9.1, Restrictions] |
18447 | // The device expression must evaluate to a non-negative integer value. |
18448 | ErrorFound = !isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, |
18449 | /*StrictlyPositive=*/false) || |
18450 | ErrorFound; |
18451 | if (ErrorFound) |
18452 | return nullptr; |
18453 | |
18454 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
18455 | OpenMPDirectiveKind CaptureRegion = |
18456 | getOpenMPCaptureRegionForClause(DKind, OMPC_device, LangOpts.OpenMP); |
18457 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
18458 | ValExpr = MakeFullExpr(ValExpr).get(); |
18459 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
18460 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
18461 | HelperValStmt = buildPreInits(Context, Captures); |
18462 | } |
18463 | |
18464 | return new (Context) |
18465 | OMPDeviceClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, |
18466 | LParenLoc, ModifierLoc, EndLoc); |
18467 | } |
18468 | |
18469 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, |
18470 | DSAStackTy *Stack, QualType QTy, |
18471 | bool FullCheck = true) { |
18472 | if (SemaRef.RequireCompleteType(SL, QTy, diag::err_incomplete_type)) |
18473 | return false; |
18474 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && |
18475 | !QTy.isTriviallyCopyableType(SemaRef.Context)) |
18476 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; |
18477 | return true; |
18478 | } |
18479 | |
18480 | /// Return true if it can be proven that the provided array expression |
18481 | /// (array section or array subscript) does NOT specify the whole size of the |
18482 | /// array whose base type is \a BaseQTy. |
18483 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, |
18484 | const Expr *E, |
18485 | QualType BaseQTy) { |
18486 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); |
18487 | |
18488 | // If this is an array subscript, it refers to the whole size if the size of |
18489 | // the dimension is constant and equals 1. Also, an array section assumes the |
18490 | // format of an array subscript if no colon is used. |
18491 | if (isa<ArraySubscriptExpr>(E) || |
18492 | (OASE && OASE->getColonLocFirst().isInvalid())) { |
18493 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) |
18494 | return ATy->getSize().getSExtValue() != 1; |
18495 | // Size can't be evaluated statically. |
18496 | return false; |
18497 | } |
18498 | |
18499 | assert(OASE && "Expecting array section if not an array subscript.")(static_cast<void> (0)); |
18500 | const Expr *LowerBound = OASE->getLowerBound(); |
18501 | const Expr *Length = OASE->getLength(); |
18502 | |
18503 | // If there is a lower bound that does not evaluates to zero, we are not |
18504 | // covering the whole dimension. |
18505 | if (LowerBound) { |
18506 | Expr::EvalResult Result; |
18507 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) |
18508 | return false; // Can't get the integer value as a constant. |
18509 | |
18510 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); |
18511 | if (ConstLowerBound.getSExtValue()) |
18512 | return true; |
18513 | } |
18514 | |
18515 | // If we don't have a length we covering the whole dimension. |
18516 | if (!Length) |
18517 | return false; |
18518 | |
18519 | // If the base is a pointer, we don't have a way to get the size of the |
18520 | // pointee. |
18521 | if (BaseQTy->isPointerType()) |
18522 | return false; |
18523 | |
18524 | // We can only check if the length is the same as the size of the dimension |
18525 | // if we have a constant array. |
18526 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); |
18527 | if (!CATy) |
18528 | return false; |
18529 | |
18530 | Expr::EvalResult Result; |
18531 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) |
18532 | return false; // Can't get the integer value as a constant. |
18533 | |
18534 | llvm::APSInt ConstLength = Result.Val.getInt(); |
18535 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); |
18536 | } |
18537 | |
18538 | // Return true if it can be proven that the provided array expression (array |
18539 | // section or array subscript) does NOT specify a single element of the array |
18540 | // whose base type is \a BaseQTy. |
18541 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, |
18542 | const Expr *E, |
18543 | QualType BaseQTy) { |
18544 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); |
18545 | |
18546 | // An array subscript always refer to a single element. Also, an array section |
18547 | // assumes the format of an array subscript if no colon is used. |
18548 | if (isa<ArraySubscriptExpr>(E) || |
18549 | (OASE && OASE->getColonLocFirst().isInvalid())) |
18550 | return false; |
18551 | |
18552 | assert(OASE && "Expecting array section if not an array subscript.")(static_cast<void> (0)); |
18553 | const Expr *Length = OASE->getLength(); |
18554 | |
18555 | // If we don't have a length we have to check if the array has unitary size |
18556 | // for this dimension. Also, we should always expect a length if the base type |
18557 | // is pointer. |
18558 | if (!Length) { |
18559 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) |
18560 | return ATy->getSize().getSExtValue() != 1; |
18561 | // We cannot assume anything. |
18562 | return false; |
18563 | } |
18564 | |
18565 | // Check if the length evaluates to 1. |
18566 | Expr::EvalResult Result; |
18567 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) |
18568 | return false; // Can't get the integer value as a constant. |
18569 | |
18570 | llvm::APSInt ConstLength = Result.Val.getInt(); |
18571 | return ConstLength.getSExtValue() != 1; |
18572 | } |
18573 | |
18574 | // The base of elements of list in a map clause have to be either: |
18575 | // - a reference to variable or field. |
18576 | // - a member expression. |
18577 | // - an array expression. |
18578 | // |
18579 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the |
18580 | // reference to 'r'. |
18581 | // |
18582 | // If we have: |
18583 | // |
18584 | // struct SS { |
18585 | // Bla S; |
18586 | // foo() { |
18587 | // #pragma omp target map (S.Arr[:12]); |
18588 | // } |
18589 | // } |
18590 | // |
18591 | // We want to retrieve the member expression 'this->S'; |
18592 | |
18593 | // OpenMP 5.0 [2.19.7.1, map Clause, Restrictions, p.2] |
18594 | // If a list item is an array section, it must specify contiguous storage. |
18595 | // |
18596 | // For this restriction it is sufficient that we make sure only references |
18597 | // to variables or fields and array expressions, and that no array sections |
18598 | // exist except in the rightmost expression (unless they cover the whole |
18599 | // dimension of the array). E.g. these would be invalid: |
18600 | // |
18601 | // r.ArrS[3:5].Arr[6:7] |
18602 | // |
18603 | // r.ArrS[3:5].x |
18604 | // |
18605 | // but these would be valid: |
18606 | // r.ArrS[3].Arr[6:7] |
18607 | // |
18608 | // r.ArrS[3].x |
18609 | namespace { |
18610 | class MapBaseChecker final : public StmtVisitor<MapBaseChecker, bool> { |
18611 | Sema &SemaRef; |
18612 | OpenMPClauseKind CKind = OMPC_unknown; |
18613 | OpenMPDirectiveKind DKind = OMPD_unknown; |
18614 | OMPClauseMappableExprCommon::MappableExprComponentList &Components; |
18615 | bool IsNonContiguous = false; |
18616 | bool NoDiagnose = false; |
18617 | const Expr *RelevantExpr = nullptr; |
18618 | bool AllowUnitySizeArraySection = true; |
18619 | bool AllowWholeSizeArraySection = true; |
18620 | bool AllowAnotherPtr = true; |
18621 | SourceLocation ELoc; |
18622 | SourceRange ERange; |
18623 | |
18624 | void emitErrorMsg() { |
18625 | // If nothing else worked, this is not a valid map clause expression. |
18626 | if (SemaRef.getLangOpts().OpenMP < 50) { |
18627 | SemaRef.Diag(ELoc, |
18628 | diag::err_omp_expected_named_var_member_or_array_expression) |
18629 | << ERange; |
18630 | } else { |
18631 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) |
18632 | << getOpenMPClauseName(CKind) << ERange; |
18633 | } |
18634 | } |
18635 | |
18636 | public: |
18637 | bool VisitDeclRefExpr(DeclRefExpr *DRE) { |
18638 | if (!isa<VarDecl>(DRE->getDecl())) { |
18639 | emitErrorMsg(); |
18640 | return false; |
18641 | } |
18642 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast<void> (0)); |
18643 | RelevantExpr = DRE; |
18644 | // Record the component. |
18645 | Components.emplace_back(DRE, DRE->getDecl(), IsNonContiguous); |
18646 | return true; |
18647 | } |
18648 | |
18649 | bool VisitMemberExpr(MemberExpr *ME) { |
18650 | Expr *E = ME; |
18651 | Expr *BaseE = ME->getBase()->IgnoreParenCasts(); |
18652 | |
18653 | if (isa<CXXThisExpr>(BaseE)) { |
18654 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast<void> (0)); |
18655 | // We found a base expression: this->Val. |
18656 | RelevantExpr = ME; |
18657 | } else { |
18658 | E = BaseE; |
18659 | } |
18660 | |
18661 | if (!isa<FieldDecl>(ME->getMemberDecl())) { |
18662 | if (!NoDiagnose) { |
18663 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) |
18664 | << ME->getSourceRange(); |
18665 | return false; |
18666 | } |
18667 | if (RelevantExpr) |
18668 | return false; |
18669 | return Visit(E); |
18670 | } |
18671 | |
18672 | auto *FD = cast<FieldDecl>(ME->getMemberDecl()); |
18673 | |
18674 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] |
18675 | // A bit-field cannot appear in a map clause. |
18676 | // |
18677 | if (FD->isBitField()) { |
18678 | if (!NoDiagnose) { |
18679 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) |
18680 | << ME->getSourceRange() << getOpenMPClauseName(CKind); |
18681 | return false; |
18682 | } |
18683 | if (RelevantExpr) |
18684 | return false; |
18685 | return Visit(E); |
18686 | } |
18687 | |
18688 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
18689 | // If the type of a list item is a reference to a type T then the type |
18690 | // will be considered to be T for all purposes of this clause. |
18691 | QualType CurType = BaseE->getType().getNonReferenceType(); |
18692 | |
18693 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] |
18694 | // A list item cannot be a variable that is a member of a structure with |
18695 | // a union type. |
18696 | // |
18697 | if (CurType->isUnionType()) { |
18698 | if (!NoDiagnose) { |
18699 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) |
18700 | << ME->getSourceRange(); |
18701 | return false; |
18702 | } |
18703 | return RelevantExpr || Visit(E); |
18704 | } |
18705 | |
18706 | // If we got a member expression, we should not expect any array section |
18707 | // before that: |
18708 | // |
18709 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] |
18710 | // If a list item is an element of a structure, only the rightmost symbol |
18711 | // of the variable reference can be an array section. |
18712 | // |
18713 | AllowUnitySizeArraySection = false; |
18714 | AllowWholeSizeArraySection = false; |
18715 | |
18716 | // Record the component. |
18717 | Components.emplace_back(ME, FD, IsNonContiguous); |
18718 | return RelevantExpr || Visit(E); |
18719 | } |
18720 | |
18721 | bool VisitArraySubscriptExpr(ArraySubscriptExpr *AE) { |
18722 | Expr *E = AE->getBase()->IgnoreParenImpCasts(); |
18723 | |
18724 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { |
18725 | if (!NoDiagnose) { |
18726 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) |
18727 | << 0 << AE->getSourceRange(); |
18728 | return false; |
18729 | } |
18730 | return RelevantExpr || Visit(E); |
18731 | } |
18732 | |
18733 | // If we got an array subscript that express the whole dimension we |
18734 | // can have any array expressions before. If it only expressing part of |
18735 | // the dimension, we can only have unitary-size array expressions. |
18736 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, AE, |
18737 | E->getType())) |
18738 | AllowWholeSizeArraySection = false; |
18739 | |
18740 | if (const auto *TE = dyn_cast<CXXThisExpr>(E->IgnoreParenCasts())) { |
18741 | Expr::EvalResult Result; |
18742 | if (!AE->getIdx()->isValueDependent() && |
18743 | AE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext()) && |
18744 | !Result.Val.getInt().isNullValue()) { |
18745 | SemaRef.Diag(AE->getIdx()->getExprLoc(), |
18746 | diag::err_omp_invalid_map_this_expr); |
18747 | SemaRef.Diag(AE->getIdx()->getExprLoc(), |
18748 | diag::note_omp_invalid_subscript_on_this_ptr_map); |
18749 | } |
18750 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast<void> (0)); |
18751 | RelevantExpr = TE; |
18752 | } |
18753 | |
18754 | // Record the component - we don't have any declaration associated. |
18755 | Components.emplace_back(AE, nullptr, IsNonContiguous); |
18756 | |
18757 | return RelevantExpr || Visit(E); |
18758 | } |
18759 | |
18760 | bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { |
18761 | // After OMP 5.0 Array section in reduction clause will be implicitly |
18762 | // mapped |
18763 | assert(!(SemaRef.getLangOpts().OpenMP < 50 && NoDiagnose) &&(static_cast<void> (0)) |
18764 | "Array sections cannot be implicitly mapped.")(static_cast<void> (0)); |
18765 | Expr *E = OASE->getBase()->IgnoreParenImpCasts(); |
18766 | QualType CurType = |
18767 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); |
18768 | |
18769 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
18770 | // If the type of a list item is a reference to a type T then the type |
18771 | // will be considered to be T for all purposes of this clause. |
18772 | if (CurType->isReferenceType()) |
18773 | CurType = CurType->getPointeeType(); |
18774 | |
18775 | bool IsPointer = CurType->isAnyPointerType(); |
18776 | |
18777 | if (!IsPointer && !CurType->isArrayType()) { |
18778 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) |
18779 | << 0 << OASE->getSourceRange(); |
18780 | return false; |
18781 | } |
18782 | |
18783 | bool NotWhole = |
18784 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, OASE, CurType); |
18785 | bool NotUnity = |
18786 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, OASE, CurType); |
18787 | |
18788 | if (AllowWholeSizeArraySection) { |
18789 | // Any array section is currently allowed. Allowing a whole size array |
18790 | // section implies allowing a unity array section as well. |
18791 | // |
18792 | // If this array section refers to the whole dimension we can still |
18793 | // accept other array sections before this one, except if the base is a |
18794 | // pointer. Otherwise, only unitary sections are accepted. |
18795 | if (NotWhole || IsPointer) |
18796 | AllowWholeSizeArraySection = false; |
18797 | } else if (DKind == OMPD_target_update && |
18798 | SemaRef.getLangOpts().OpenMP >= 50) { |
18799 | if (IsPointer && !AllowAnotherPtr) |
18800 | SemaRef.Diag(ELoc, diag::err_omp_section_length_undefined) |
18801 | << /*array of unknown bound */ 1; |
18802 | else |
18803 | IsNonContiguous = true; |
18804 | } else if (AllowUnitySizeArraySection && NotUnity) { |
18805 | // A unity or whole array section is not allowed and that is not |
18806 | // compatible with the properties of the current array section. |
18807 | if (NoDiagnose) |
18808 | return false; |
18809 | SemaRef.Diag( |
18810 | ELoc, diag::err_array_section_does_not_specify_contiguous_storage) |
18811 | << OASE->getSourceRange(); |
18812 | return false; |
18813 | } |
18814 | |
18815 | if (IsPointer) |
18816 | AllowAnotherPtr = false; |
18817 | |
18818 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { |
18819 | Expr::EvalResult ResultR; |
18820 | Expr::EvalResult ResultL; |
18821 | if (!OASE->getLength()->isValueDependent() && |
18822 | OASE->getLength()->EvaluateAsInt(ResultR, SemaRef.getASTContext()) && |
18823 | !ResultR.Val.getInt().isOneValue()) { |
18824 | SemaRef.Diag(OASE->getLength()->getExprLoc(), |
18825 | diag::err_omp_invalid_map_this_expr); |
18826 | SemaRef.Diag(OASE->getLength()->getExprLoc(), |
18827 | diag::note_omp_invalid_length_on_this_ptr_mapping); |
18828 | } |
18829 | if (OASE->getLowerBound() && !OASE->getLowerBound()->isValueDependent() && |
18830 | OASE->getLowerBound()->EvaluateAsInt(ResultL, |
18831 | SemaRef.getASTContext()) && |
18832 | !ResultL.Val.getInt().isNullValue()) { |
18833 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), |
18834 | diag::err_omp_invalid_map_this_expr); |
18835 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), |
18836 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); |
18837 | } |
18838 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast<void> (0)); |
18839 | RelevantExpr = TE; |
18840 | } |
18841 | |
18842 | // Record the component - we don't have any declaration associated. |
18843 | Components.emplace_back(OASE, nullptr, /*IsNonContiguous=*/false); |
18844 | return RelevantExpr || Visit(E); |
18845 | } |
18846 | bool VisitOMPArrayShapingExpr(OMPArrayShapingExpr *E) { |
18847 | Expr *Base = E->getBase(); |
18848 | |
18849 | // Record the component - we don't have any declaration associated. |
18850 | Components.emplace_back(E, nullptr, IsNonContiguous); |
18851 | |
18852 | return Visit(Base->IgnoreParenImpCasts()); |
18853 | } |
18854 | |
18855 | bool VisitUnaryOperator(UnaryOperator *UO) { |
18856 | if (SemaRef.getLangOpts().OpenMP < 50 || !UO->isLValue() || |
18857 | UO->getOpcode() != UO_Deref) { |
18858 | emitErrorMsg(); |
18859 | return false; |
18860 | } |
18861 | if (!RelevantExpr) { |
18862 | // Record the component if haven't found base decl. |
18863 | Components.emplace_back(UO, nullptr, /*IsNonContiguous=*/false); |
18864 | } |
18865 | return RelevantExpr || Visit(UO->getSubExpr()->IgnoreParenImpCasts()); |
18866 | } |
18867 | bool VisitBinaryOperator(BinaryOperator *BO) { |
18868 | if (SemaRef.getLangOpts().OpenMP < 50 || !BO->getType()->isPointerType()) { |
18869 | emitErrorMsg(); |
18870 | return false; |
18871 | } |
18872 | |
18873 | // Pointer arithmetic is the only thing we expect to happen here so after we |
18874 | // make sure the binary operator is a pointer type, the we only thing need |
18875 | // to to is to visit the subtree that has the same type as root (so that we |
18876 | // know the other subtree is just an offset) |
18877 | Expr *LE = BO->getLHS()->IgnoreParenImpCasts(); |
18878 | Expr *RE = BO->getRHS()->IgnoreParenImpCasts(); |
18879 | Components.emplace_back(BO, nullptr, false); |
18880 | assert((LE->getType().getTypePtr() == BO->getType().getTypePtr() ||(static_cast<void> (0)) |
18881 | RE->getType().getTypePtr() == BO->getType().getTypePtr()) &&(static_cast<void> (0)) |
18882 | "Either LHS or RHS have base decl inside")(static_cast<void> (0)); |
18883 | if (BO->getType().getTypePtr() == LE->getType().getTypePtr()) |
18884 | return RelevantExpr || Visit(LE); |
18885 | return RelevantExpr || Visit(RE); |
18886 | } |
18887 | bool VisitCXXThisExpr(CXXThisExpr *CTE) { |
18888 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast<void> (0)); |
18889 | RelevantExpr = CTE; |
18890 | Components.emplace_back(CTE, nullptr, IsNonContiguous); |
18891 | return true; |
18892 | } |
18893 | bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr *COCE) { |
18894 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")(static_cast<void> (0)); |
18895 | Components.emplace_back(COCE, nullptr, IsNonContiguous); |
18896 | return true; |
18897 | } |
18898 | bool VisitOpaqueValueExpr(OpaqueValueExpr *E) { |
18899 | Expr *Source = E->getSourceExpr(); |
18900 | if (!Source) { |
18901 | emitErrorMsg(); |
18902 | return false; |
18903 | } |
18904 | return Visit(Source); |
18905 | } |
18906 | bool VisitStmt(Stmt *) { |
18907 | emitErrorMsg(); |
18908 | return false; |
18909 | } |
18910 | const Expr *getFoundBase() const { |
18911 | return RelevantExpr; |
18912 | } |
18913 | explicit MapBaseChecker( |
18914 | Sema &SemaRef, OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, |
18915 | OMPClauseMappableExprCommon::MappableExprComponentList &Components, |
18916 | bool NoDiagnose, SourceLocation &ELoc, SourceRange &ERange) |
18917 | : SemaRef(SemaRef), CKind(CKind), DKind(DKind), Components(Components), |
18918 | NoDiagnose(NoDiagnose), ELoc(ELoc), ERange(ERange) {} |
18919 | }; |
18920 | } // namespace |
18921 | |
18922 | /// Return the expression of the base of the mappable expression or null if it |
18923 | /// cannot be determined and do all the necessary checks to see if the expression |
18924 | /// is valid as a standalone mappable expression. In the process, record all the |
18925 | /// components of the expression. |
18926 | static const Expr *checkMapClauseExpressionBase( |
18927 | Sema &SemaRef, Expr *E, |
18928 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, |
18929 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose) { |
18930 | SourceLocation ELoc = E->getExprLoc(); |
18931 | SourceRange ERange = E->getSourceRange(); |
18932 | MapBaseChecker Checker(SemaRef, CKind, DKind, CurComponents, NoDiagnose, ELoc, |
18933 | ERange); |
18934 | if (Checker.Visit(E->IgnoreParens())) { |
18935 | // Check if the highest dimension array section has length specified |
18936 | if (SemaRef.getLangOpts().OpenMP >= 50 && !CurComponents.empty() && |
18937 | (CKind == OMPC_to || CKind == OMPC_from)) { |
18938 | auto CI = CurComponents.rbegin(); |
18939 | auto CE = CurComponents.rend(); |
18940 | for (; CI != CE; ++CI) { |
18941 | const auto *OASE = |
18942 | dyn_cast<OMPArraySectionExpr>(CI->getAssociatedExpression()); |
18943 | if (!OASE) |
18944 | continue; |
18945 | if (OASE && OASE->getLength()) |
18946 | break; |
18947 | SemaRef.Diag(ELoc, diag::err_array_section_does_not_specify_length) |
18948 | << ERange; |
18949 | } |
18950 | } |
18951 | return Checker.getFoundBase(); |
18952 | } |
18953 | return nullptr; |
18954 | } |
18955 | |
18956 | // Return true if expression E associated with value VD has conflicts with other |
18957 | // map information. |
18958 | static bool checkMapConflicts( |
18959 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, |
18960 | bool CurrentRegionOnly, |
18961 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, |
18962 | OpenMPClauseKind CKind) { |
18963 | assert(VD && E)(static_cast<void> (0)); |
18964 | SourceLocation ELoc = E->getExprLoc(); |
18965 | SourceRange ERange = E->getSourceRange(); |
18966 | |
18967 | // In order to easily check the conflicts we need to match each component of |
18968 | // the expression under test with the components of the expressions that are |
18969 | // already in the stack. |
18970 | |
18971 | assert(!CurComponents.empty() && "Map clause expression with no components!")(static_cast<void> (0)); |
18972 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&(static_cast<void> (0)) |
18973 | "Map clause expression with unexpected base!")(static_cast<void> (0)); |
18974 | |
18975 | // Variables to help detecting enclosing problems in data environment nests. |
18976 | bool IsEnclosedByDataEnvironmentExpr = false; |
18977 | const Expr *EnclosingExpr = nullptr; |
18978 | |
18979 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( |
18980 | VD, CurrentRegionOnly, |
18981 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, |
18982 | ERange, CKind, &EnclosingExpr, |
18983 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef |
18984 | StackComponents, |
18985 | OpenMPClauseKind Kind) { |
18986 | if (CKind == Kind && SemaRef.LangOpts.OpenMP >= 50) |
18987 | return false; |
18988 | assert(!StackComponents.empty() &&(static_cast<void> (0)) |
18989 | "Map clause expression with no components!")(static_cast<void> (0)); |
18990 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&(static_cast<void> (0)) |
18991 | "Map clause expression with unexpected base!")(static_cast<void> (0)); |
18992 | (void)VD; |
18993 | |
18994 | // The whole expression in the stack. |
18995 | const Expr *RE = StackComponents.front().getAssociatedExpression(); |
18996 | |
18997 | // Expressions must start from the same base. Here we detect at which |
18998 | // point both expressions diverge from each other and see if we can |
18999 | // detect if the memory referred to both expressions is contiguous and |
19000 | // do not overlap. |
19001 | auto CI = CurComponents.rbegin(); |
19002 | auto CE = CurComponents.rend(); |
19003 | auto SI = StackComponents.rbegin(); |
19004 | auto SE = StackComponents.rend(); |
19005 | for (; CI != CE && SI != SE; ++CI, ++SI) { |
19006 | |
19007 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] |
19008 | // At most one list item can be an array item derived from a given |
19009 | // variable in map clauses of the same construct. |
19010 | if (CurrentRegionOnly && |
19011 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || |
19012 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression()) || |
19013 | isa<OMPArrayShapingExpr>(CI->getAssociatedExpression())) && |
19014 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || |
19015 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()) || |
19016 | isa<OMPArrayShapingExpr>(SI->getAssociatedExpression()))) { |
19017 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), |
19018 | diag::err_omp_multiple_array_items_in_map_clause) |
19019 | << CI->getAssociatedExpression()->getSourceRange(); |
19020 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), |
19021 | diag::note_used_here) |
19022 | << SI->getAssociatedExpression()->getSourceRange(); |
19023 | return true; |
19024 | } |
19025 | |
19026 | // Do both expressions have the same kind? |
19027 | if (CI->getAssociatedExpression()->getStmtClass() != |
19028 | SI->getAssociatedExpression()->getStmtClass()) |
19029 | break; |
19030 | |
19031 | // Are we dealing with different variables/fields? |
19032 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) |
19033 | break; |
19034 | } |
19035 | // Check if the extra components of the expressions in the enclosing |
19036 | // data environment are redundant for the current base declaration. |
19037 | // If they are, the maps completely overlap, which is legal. |
19038 | for (; SI != SE; ++SI) { |
19039 | QualType Type; |
19040 | if (const auto *ASE = |
19041 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { |
19042 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); |
19043 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( |
19044 | SI->getAssociatedExpression())) { |
19045 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); |
19046 | Type = |
19047 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); |
19048 | } else if (const auto *OASE = dyn_cast<OMPArrayShapingExpr>( |
19049 | SI->getAssociatedExpression())) { |
19050 | Type = OASE->getBase()->getType()->getPointeeType(); |
19051 | } |
19052 | if (Type.isNull() || Type->isAnyPointerType() || |
19053 | checkArrayExpressionDoesNotReferToWholeSize( |
19054 | SemaRef, SI->getAssociatedExpression(), Type)) |
19055 | break; |
19056 | } |
19057 | |
19058 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] |
19059 | // List items of map clauses in the same construct must not share |
19060 | // original storage. |
19061 | // |
19062 | // If the expressions are exactly the same or one is a subset of the |
19063 | // other, it means they are sharing storage. |
19064 | if (CI == CE && SI == SE) { |
19065 | if (CurrentRegionOnly) { |
19066 | if (CKind == OMPC_map) { |
19067 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; |
19068 | } else { |
19069 | assert(CKind == OMPC_to || CKind == OMPC_from)(static_cast<void> (0)); |
19070 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) |
19071 | << ERange; |
19072 | } |
19073 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
19074 | << RE->getSourceRange(); |
19075 | return true; |
19076 | } |
19077 | // If we find the same expression in the enclosing data environment, |
19078 | // that is legal. |
19079 | IsEnclosedByDataEnvironmentExpr = true; |
19080 | return false; |
19081 | } |
19082 | |
19083 | QualType DerivedType = |
19084 | std::prev(CI)->getAssociatedDeclaration()->getType(); |
19085 | SourceLocation DerivedLoc = |
19086 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); |
19087 | |
19088 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
19089 | // If the type of a list item is a reference to a type T then the type |
19090 | // will be considered to be T for all purposes of this clause. |
19091 | DerivedType = DerivedType.getNonReferenceType(); |
19092 | |
19093 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] |
19094 | // A variable for which the type is pointer and an array section |
19095 | // derived from that variable must not appear as list items of map |
19096 | // clauses of the same construct. |
19097 | // |
19098 | // Also, cover one of the cases in: |
19099 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] |
19100 | // If any part of the original storage of a list item has corresponding |
19101 | // storage in the device data environment, all of the original storage |
19102 | // must have corresponding storage in the device data environment. |
19103 | // |
19104 | if (DerivedType->isAnyPointerType()) { |
19105 | if (CI == CE || SI == SE) { |
19106 | SemaRef.Diag( |
19107 | DerivedLoc, |
19108 | diag::err_omp_pointer_mapped_along_with_derived_section) |
19109 | << DerivedLoc; |
19110 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
19111 | << RE->getSourceRange(); |
19112 | return true; |
19113 | } |
19114 | if (CI->getAssociatedExpression()->getStmtClass() != |
19115 | SI->getAssociatedExpression()->getStmtClass() || |
19116 | CI->getAssociatedDeclaration()->getCanonicalDecl() == |
19117 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { |
19118 | assert(CI != CE && SI != SE)(static_cast<void> (0)); |
19119 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) |
19120 | << DerivedLoc; |
19121 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
19122 | << RE->getSourceRange(); |
19123 | return true; |
19124 | } |
19125 | } |
19126 | |
19127 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] |
19128 | // List items of map clauses in the same construct must not share |
19129 | // original storage. |
19130 | // |
19131 | // An expression is a subset of the other. |
19132 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { |
19133 | if (CKind == OMPC_map) { |
19134 | if (CI != CE || SI != SE) { |
19135 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is |
19136 | // a pointer. |
19137 | auto Begin = |
19138 | CI != CE ? CurComponents.begin() : StackComponents.begin(); |
19139 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); |
19140 | auto It = Begin; |
19141 | while (It != End && !It->getAssociatedDeclaration()) |
19142 | std::advance(It, 1); |
19143 | assert(It != End &&(static_cast<void> (0)) |
19144 | "Expected at least one component with the declaration.")(static_cast<void> (0)); |
19145 | if (It != Begin && It->getAssociatedDeclaration() |
19146 | ->getType() |
19147 | .getCanonicalType() |
19148 | ->isAnyPointerType()) { |
19149 | IsEnclosedByDataEnvironmentExpr = false; |
19150 | EnclosingExpr = nullptr; |
19151 | return false; |
19152 | } |
19153 | } |
19154 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; |
19155 | } else { |
19156 | assert(CKind == OMPC_to || CKind == OMPC_from)(static_cast<void> (0)); |
19157 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) |
19158 | << ERange; |
19159 | } |
19160 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) |
19161 | << RE->getSourceRange(); |
19162 | return true; |
19163 | } |
19164 | |
19165 | // The current expression uses the same base as other expression in the |
19166 | // data environment but does not contain it completely. |
19167 | if (!CurrentRegionOnly && SI != SE) |
19168 | EnclosingExpr = RE; |
19169 | |
19170 | // The current expression is a subset of the expression in the data |
19171 | // environment. |
19172 | IsEnclosedByDataEnvironmentExpr |= |
19173 | (!CurrentRegionOnly && CI != CE && SI == SE); |
19174 | |
19175 | return false; |
19176 | }); |
19177 | |
19178 | if (CurrentRegionOnly) |
19179 | return FoundError; |
19180 | |
19181 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] |
19182 | // If any part of the original storage of a list item has corresponding |
19183 | // storage in the device data environment, all of the original storage must |
19184 | // have corresponding storage in the device data environment. |
19185 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] |
19186 | // If a list item is an element of a structure, and a different element of |
19187 | // the structure has a corresponding list item in the device data environment |
19188 | // prior to a task encountering the construct associated with the map clause, |
19189 | // then the list item must also have a corresponding list item in the device |
19190 | // data environment prior to the task encountering the construct. |
19191 | // |
19192 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { |
19193 | SemaRef.Diag(ELoc, |
19194 | diag::err_omp_original_storage_is_shared_and_does_not_contain) |
19195 | << ERange; |
19196 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) |
19197 | << EnclosingExpr->getSourceRange(); |
19198 | return true; |
19199 | } |
19200 | |
19201 | return FoundError; |
19202 | } |
19203 | |
19204 | // Look up the user-defined mapper given the mapper name and mapped type, and |
19205 | // build a reference to it. |
19206 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, |
19207 | CXXScopeSpec &MapperIdScopeSpec, |
19208 | const DeclarationNameInfo &MapperId, |
19209 | QualType Type, |
19210 | Expr *UnresolvedMapper) { |
19211 | if (MapperIdScopeSpec.isInvalid()) |
19212 | return ExprError(); |
19213 | // Get the actual type for the array type. |
19214 | if (Type->isArrayType()) { |
19215 | assert(Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type")(static_cast<void> (0)); |
19216 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); |
19217 | } |
19218 | // Find all user-defined mappers with the given MapperId. |
19219 | SmallVector<UnresolvedSet<8>, 4> Lookups; |
19220 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); |
19221 | Lookup.suppressDiagnostics(); |
19222 | if (S) { |
19223 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { |
19224 | NamedDecl *D = Lookup.getRepresentativeDecl(); |
19225 | while (S && !S->isDeclScope(D)) |
19226 | S = S->getParent(); |
19227 | if (S) |
19228 | S = S->getParent(); |
19229 | Lookups.emplace_back(); |
19230 | Lookups.back().append(Lookup.begin(), Lookup.end()); |
19231 | Lookup.clear(); |
19232 | } |
19233 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { |
19234 | // Extract the user-defined mappers with the given MapperId. |
19235 | Lookups.push_back(UnresolvedSet<8>()); |
19236 | for (NamedDecl *D : ULE->decls()) { |
19237 | auto *DMD = cast<OMPDeclareMapperDecl>(D); |
19238 | assert(DMD && "Expect valid OMPDeclareMapperDecl during instantiation.")(static_cast<void> (0)); |
19239 | Lookups.back().addDecl(DMD); |
19240 | } |
19241 | } |
19242 | // Defer the lookup for dependent types. The results will be passed through |
19243 | // UnresolvedMapper on instantiation. |
19244 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || |
19245 | Type->isInstantiationDependentType() || |
19246 | Type->containsUnexpandedParameterPack() || |
19247 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { |
19248 | return !D->isInvalidDecl() && |
19249 | (D->getType()->isDependentType() || |
19250 | D->getType()->isInstantiationDependentType() || |
19251 | D->getType()->containsUnexpandedParameterPack()); |
19252 | })) { |
19253 | UnresolvedSet<8> URS; |
19254 | for (const UnresolvedSet<8> &Set : Lookups) { |
19255 | if (Set.empty()) |
19256 | continue; |
19257 | URS.append(Set.begin(), Set.end()); |
19258 | } |
19259 | return UnresolvedLookupExpr::Create( |
19260 | SemaRef.Context, /*NamingClass=*/nullptr, |
19261 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, |
19262 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); |
19263 | } |
19264 | SourceLocation Loc = MapperId.getLoc(); |
19265 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
19266 | // The type must be of struct, union or class type in C and C++ |
19267 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && |
19268 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { |
19269 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); |
19270 | return ExprError(); |
19271 | } |
19272 | // Perform argument dependent lookup. |
19273 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) |
19274 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); |
19275 | // Return the first user-defined mapper with the desired type. |
19276 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
19277 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { |
19278 | if (!D->isInvalidDecl() && |
19279 | SemaRef.Context.hasSameType(D->getType(), Type)) |
19280 | return D; |
19281 | return nullptr; |
19282 | })) |
19283 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); |
19284 | // Find the first user-defined mapper with a type derived from the desired |
19285 | // type. |
19286 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( |
19287 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { |
19288 | if (!D->isInvalidDecl() && |
19289 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && |
19290 | !Type.isMoreQualifiedThan(D->getType())) |
19291 | return D; |
19292 | return nullptr; |
19293 | })) { |
19294 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, |
19295 | /*DetectVirtual=*/false); |
19296 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { |
19297 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( |
19298 | VD->getType().getUnqualifiedType()))) { |
19299 | if (SemaRef.CheckBaseClassAccess( |
19300 | Loc, VD->getType(), Type, Paths.front(), |
19301 | /*DiagID=*/0) != Sema::AR_inaccessible) { |
19302 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); |
19303 | } |
19304 | } |
19305 | } |
19306 | } |
19307 | // Report error if a mapper is specified, but cannot be found. |
19308 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { |
19309 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) |
19310 | << Type << MapperId.getName(); |
19311 | return ExprError(); |
19312 | } |
19313 | return ExprEmpty(); |
19314 | } |
19315 | |
19316 | namespace { |
19317 | // Utility struct that gathers all the related lists associated with a mappable |
19318 | // expression. |
19319 | struct MappableVarListInfo { |
19320 | // The list of expressions. |
19321 | ArrayRef<Expr *> VarList; |
19322 | // The list of processed expressions. |
19323 | SmallVector<Expr *, 16> ProcessedVarList; |
19324 | // The mappble components for each expression. |
19325 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; |
19326 | // The base declaration of the variable. |
19327 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; |
19328 | // The reference to the user-defined mapper associated with every expression. |
19329 | SmallVector<Expr *, 16> UDMapperList; |
19330 | |
19331 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { |
19332 | // We have a list of components and base declarations for each entry in the |
19333 | // variable list. |
19334 | VarComponents.reserve(VarList.size()); |
19335 | VarBaseDeclarations.reserve(VarList.size()); |
19336 | } |
19337 | }; |
19338 | } |
19339 | |
19340 | // Check the validity of the provided variable list for the provided clause kind |
19341 | // \a CKind. In the check process the valid expressions, mappable expression |
19342 | // components, variables, and user-defined mappers are extracted and used to |
19343 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a |
19344 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, |
19345 | // and \a MapperId are expected to be valid if the clause kind is 'map'. |
19346 | static void checkMappableExpressionList( |
19347 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, |
19348 | MappableVarListInfo &MVLI, SourceLocation StartLoc, |
19349 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, |
19350 | ArrayRef<Expr *> UnresolvedMappers, |
19351 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, |
19352 | ArrayRef<OpenMPMapModifierKind> Modifiers = None, |
19353 | bool IsMapTypeImplicit = false, bool NoDiagnose = false) { |
19354 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. |
19355 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&(static_cast<void> (0)) |
19356 | "Unexpected clause kind with mappable expressions!")(static_cast<void> (0)); |
19357 | |
19358 | // If the identifier of user-defined mapper is not specified, it is "default". |
19359 | // We do not change the actual name in this clause to distinguish whether a |
19360 | // mapper is specified explicitly, i.e., it is not explicitly specified when |
19361 | // MapperId.getName() is empty. |
19362 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { |
19363 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; |
19364 | MapperId.setName(DeclNames.getIdentifier( |
19365 | &SemaRef.getASTContext().Idents.get("default"))); |
19366 | MapperId.setLoc(StartLoc); |
19367 | } |
19368 | |
19369 | // Iterators to find the current unresolved mapper expression. |
19370 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); |
19371 | bool UpdateUMIt = false; |
19372 | Expr *UnresolvedMapper = nullptr; |
19373 | |
19374 | bool HasHoldModifier = |
19375 | Modifiers.end() != std::find(Modifiers.begin(), Modifiers.end(), |
19376 | OMPC_MAP_MODIFIER_ompx_hold); |
19377 | |
19378 | // Keep track of the mappable components and base declarations in this clause. |
19379 | // Each entry in the list is going to have a list of components associated. We |
19380 | // record each set of the components so that we can build the clause later on. |
19381 | // In the end we should have the same amount of declarations and component |
19382 | // lists. |
19383 | |
19384 | for (Expr *RE : MVLI.VarList) { |
19385 | assert(RE && "Null expr in omp to/from/map clause")(static_cast<void> (0)); |
19386 | SourceLocation ELoc = RE->getExprLoc(); |
19387 | |
19388 | // Find the current unresolved mapper expression. |
19389 | if (UpdateUMIt && UMIt != UMEnd) { |
19390 | UMIt++; |
19391 | assert((static_cast<void> (0)) |
19392 | UMIt != UMEnd &&(static_cast<void> (0)) |
19393 | "Expect the size of UnresolvedMappers to match with that of VarList")(static_cast<void> (0)); |
19394 | } |
19395 | UpdateUMIt = true; |
19396 | if (UMIt != UMEnd) |
19397 | UnresolvedMapper = *UMIt; |
19398 | |
19399 | const Expr *VE = RE->IgnoreParenLValueCasts(); |
19400 | |
19401 | if (VE->isValueDependent() || VE->isTypeDependent() || |
19402 | VE->isInstantiationDependent() || |
19403 | VE->containsUnexpandedParameterPack()) { |
19404 | // Try to find the associated user-defined mapper. |
19405 | ExprResult ER = buildUserDefinedMapperRef( |
19406 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
19407 | VE->getType().getCanonicalType(), UnresolvedMapper); |
19408 | if (ER.isInvalid()) |
19409 | continue; |
19410 | MVLI.UDMapperList.push_back(ER.get()); |
19411 | // We can only analyze this information once the missing information is |
19412 | // resolved. |
19413 | MVLI.ProcessedVarList.push_back(RE); |
19414 | continue; |
19415 | } |
19416 | |
19417 | Expr *SimpleExpr = RE->IgnoreParenCasts(); |
19418 | |
19419 | if (!RE->isLValue()) { |
19420 | if (SemaRef.getLangOpts().OpenMP < 50) { |
19421 | SemaRef.Diag( |
19422 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) |
19423 | << RE->getSourceRange(); |
19424 | } else { |
19425 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) |
19426 | << getOpenMPClauseName(CKind) << RE->getSourceRange(); |
19427 | } |
19428 | continue; |
19429 | } |
19430 | |
19431 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; |
19432 | ValueDecl *CurDeclaration = nullptr; |
19433 | |
19434 | // Obtain the array or member expression bases if required. Also, fill the |
19435 | // components array with all the components identified in the process. |
19436 | const Expr *BE = |
19437 | checkMapClauseExpressionBase(SemaRef, SimpleExpr, CurComponents, CKind, |
19438 | DSAS->getCurrentDirective(), NoDiagnose); |
19439 | if (!BE) |
19440 | continue; |
19441 | |
19442 | assert(!CurComponents.empty() &&(static_cast<void> (0)) |
19443 | "Invalid mappable expression information.")(static_cast<void> (0)); |
19444 | |
19445 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { |
19446 | // Add store "this" pointer to class in DSAStackTy for future checking |
19447 | DSAS->addMappedClassesQualTypes(TE->getType()); |
19448 | // Try to find the associated user-defined mapper. |
19449 | ExprResult ER = buildUserDefinedMapperRef( |
19450 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
19451 | VE->getType().getCanonicalType(), UnresolvedMapper); |
19452 | if (ER.isInvalid()) |
19453 | continue; |
19454 | MVLI.UDMapperList.push_back(ER.get()); |
19455 | // Skip restriction checking for variable or field declarations |
19456 | MVLI.ProcessedVarList.push_back(RE); |
19457 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
19458 | MVLI.VarComponents.back().append(CurComponents.begin(), |
19459 | CurComponents.end()); |
19460 | MVLI.VarBaseDeclarations.push_back(nullptr); |
19461 | continue; |
19462 | } |
19463 | |
19464 | // For the following checks, we rely on the base declaration which is |
19465 | // expected to be associated with the last component. The declaration is |
19466 | // expected to be a variable or a field (if 'this' is being mapped). |
19467 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); |
19468 | assert(CurDeclaration && "Null decl on map clause.")(static_cast<void> (0)); |
19469 | assert((static_cast<void> (0)) |
19470 | CurDeclaration->isCanonicalDecl() &&(static_cast<void> (0)) |
19471 | "Expecting components to have associated only canonical declarations.")(static_cast<void> (0)); |
19472 | |
19473 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); |
19474 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); |
19475 | |
19476 | assert((VD || FD) && "Only variables or fields are expected here!")(static_cast<void> (0)); |
19477 | (void)FD; |
19478 | |
19479 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] |
19480 | // threadprivate variables cannot appear in a map clause. |
19481 | // OpenMP 4.5 [2.10.5, target update Construct] |
19482 | // threadprivate variables cannot appear in a from clause. |
19483 | if (VD && DSAS->isThreadPrivate(VD)) { |
19484 | if (NoDiagnose) |
19485 | continue; |
19486 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); |
19487 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) |
19488 | << getOpenMPClauseName(CKind); |
19489 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); |
19490 | continue; |
19491 | } |
19492 | |
19493 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] |
19494 | // A list item cannot appear in both a map clause and a data-sharing |
19495 | // attribute clause on the same construct. |
19496 | |
19497 | // Check conflicts with other map clause expressions. We check the conflicts |
19498 | // with the current construct separately from the enclosing data |
19499 | // environment, because the restrictions are different. We only have to |
19500 | // check conflicts across regions for the map clauses. |
19501 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, |
19502 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) |
19503 | break; |
19504 | if (CKind == OMPC_map && |
19505 | (SemaRef.getLangOpts().OpenMP <= 45 || StartLoc.isValid()) && |
19506 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, |
19507 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) |
19508 | break; |
19509 | |
19510 | // OpenMP 4.5 [2.10.5, target update Construct] |
19511 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] |
19512 | // If the type of a list item is a reference to a type T then the type will |
19513 | // be considered to be T for all purposes of this clause. |
19514 | auto I = llvm::find_if( |
19515 | CurComponents, |
19516 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { |
19517 | return MC.getAssociatedDeclaration(); |
19518 | }); |
19519 | assert(I != CurComponents.end() && "Null decl on map clause.")(static_cast<void> (0)); |
19520 | (void)I; |
19521 | QualType Type; |
19522 | auto *ASE = dyn_cast<ArraySubscriptExpr>(VE->IgnoreParens()); |
19523 | auto *OASE = dyn_cast<OMPArraySectionExpr>(VE->IgnoreParens()); |
19524 | auto *OAShE = dyn_cast<OMPArrayShapingExpr>(VE->IgnoreParens()); |
19525 | if (ASE) { |
19526 | Type = ASE->getType().getNonReferenceType(); |
19527 | } else if (OASE) { |
19528 | QualType BaseType = |
19529 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); |
19530 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) |
19531 | Type = ATy->getElementType(); |
19532 | else |
19533 | Type = BaseType->getPointeeType(); |
19534 | Type = Type.getNonReferenceType(); |
19535 | } else if (OAShE) { |
19536 | Type = OAShE->getBase()->getType()->getPointeeType(); |
19537 | } else { |
19538 | Type = VE->getType(); |
19539 | } |
19540 | |
19541 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] |
19542 | // A list item in a to or from clause must have a mappable type. |
19543 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] |
19544 | // A list item must have a mappable type. |
19545 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, |
19546 | DSAS, Type, /*FullCheck=*/true)) |
19547 | continue; |
19548 | |
19549 | if (CKind == OMPC_map) { |
19550 | // target enter data |
19551 | // OpenMP [2.10.2, Restrictions, p. 99] |
19552 | // A map-type must be specified in all map clauses and must be either |
19553 | // to or alloc. |
19554 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); |
19555 | if (DKind == OMPD_target_enter_data && |
19556 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { |
19557 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
19558 | << (IsMapTypeImplicit ? 1 : 0) |
19559 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
19560 | << getOpenMPDirectiveName(DKind); |
19561 | continue; |
19562 | } |
19563 | |
19564 | // target exit_data |
19565 | // OpenMP [2.10.3, Restrictions, p. 102] |
19566 | // A map-type must be specified in all map clauses and must be either |
19567 | // from, release, or delete. |
19568 | if (DKind == OMPD_target_exit_data && |
19569 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || |
19570 | MapType == OMPC_MAP_delete)) { |
19571 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
19572 | << (IsMapTypeImplicit ? 1 : 0) |
19573 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
19574 | << getOpenMPDirectiveName(DKind); |
19575 | continue; |
19576 | } |
19577 | |
19578 | // The 'ompx_hold' modifier is specifically intended to be used on a |
19579 | // 'target' or 'target data' directive to prevent data from being unmapped |
19580 | // during the associated statement. It is not permitted on a 'target |
19581 | // enter data' or 'target exit data' directive, which have no associated |
19582 | // statement. |
19583 | if ((DKind == OMPD_target_enter_data || DKind == OMPD_target_exit_data) && |
19584 | HasHoldModifier) { |
19585 | SemaRef.Diag(StartLoc, |
19586 | diag::err_omp_invalid_map_type_modifier_for_directive) |
19587 | << getOpenMPSimpleClauseTypeName(OMPC_map, |
19588 | OMPC_MAP_MODIFIER_ompx_hold) |
19589 | << getOpenMPDirectiveName(DKind); |
19590 | continue; |
19591 | } |
19592 | |
19593 | // target, target data |
19594 | // OpenMP 5.0 [2.12.2, Restrictions, p. 163] |
19595 | // OpenMP 5.0 [2.12.5, Restrictions, p. 174] |
19596 | // A map-type in a map clause must be to, from, tofrom or alloc |
19597 | if ((DKind == OMPD_target_data || |
19598 | isOpenMPTargetExecutionDirective(DKind)) && |
19599 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_from || |
19600 | MapType == OMPC_MAP_tofrom || MapType == OMPC_MAP_alloc)) { |
19601 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) |
19602 | << (IsMapTypeImplicit ? 1 : 0) |
19603 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) |
19604 | << getOpenMPDirectiveName(DKind); |
19605 | continue; |
19606 | } |
19607 | |
19608 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] |
19609 | // A list item cannot appear in both a map clause and a data-sharing |
19610 | // attribute clause on the same construct |
19611 | // |
19612 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] |
19613 | // A list item cannot appear in both a map clause and a data-sharing |
19614 | // attribute clause on the same construct unless the construct is a |
19615 | // combined construct. |
19616 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && |
19617 | isOpenMPTargetExecutionDirective(DKind)) || |
19618 | DKind == OMPD_target)) { |
19619 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); |
19620 | if (isOpenMPPrivate(DVar.CKind)) { |
19621 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
19622 | << getOpenMPClauseName(DVar.CKind) |
19623 | << getOpenMPClauseName(OMPC_map) |
19624 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); |
19625 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); |
19626 | continue; |
19627 | } |
19628 | } |
19629 | } |
19630 | |
19631 | // Try to find the associated user-defined mapper. |
19632 | ExprResult ER = buildUserDefinedMapperRef( |
19633 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, |
19634 | Type.getCanonicalType(), UnresolvedMapper); |
19635 | if (ER.isInvalid()) |
19636 | continue; |
19637 | MVLI.UDMapperList.push_back(ER.get()); |
19638 | |
19639 | // Save the current expression. |
19640 | MVLI.ProcessedVarList.push_back(RE); |
19641 | |
19642 | // Store the components in the stack so that they can be used to check |
19643 | // against other clauses later on. |
19644 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, |
19645 | /*WhereFoundClauseKind=*/OMPC_map); |
19646 | |
19647 | // Save the components and declaration to create the clause. For purposes of |
19648 | // the clause creation, any component list that has has base 'this' uses |
19649 | // null as base declaration. |
19650 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
19651 | MVLI.VarComponents.back().append(CurComponents.begin(), |
19652 | CurComponents.end()); |
19653 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr |
19654 | : CurDeclaration); |
19655 | } |
19656 | } |
19657 | |
19658 | OMPClause *Sema::ActOnOpenMPMapClause( |
19659 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, |
19660 | ArrayRef<SourceLocation> MapTypeModifiersLoc, |
19661 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
19662 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, |
19663 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
19664 | const OMPVarListLocTy &Locs, bool NoDiagnose, |
19665 | ArrayRef<Expr *> UnresolvedMappers) { |
19666 | OpenMPMapModifierKind Modifiers[] = { |
19667 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, |
19668 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, |
19669 | OMPC_MAP_MODIFIER_unknown}; |
19670 | SourceLocation ModifiersLoc[NumberOfOMPMapClauseModifiers]; |
19671 | |
19672 | // Process map-type-modifiers, flag errors for duplicate modifiers. |
19673 | unsigned Count = 0; |
19674 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { |
19675 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && |
19676 | llvm::find(Modifiers, MapTypeModifiers[I]) != std::end(Modifiers)) { |
19677 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); |
19678 | continue; |
19679 | } |
19680 | assert(Count < NumberOfOMPMapClauseModifiers &&(static_cast<void> (0)) |
19681 | "Modifiers exceed the allowed number of map type modifiers")(static_cast<void> (0)); |
19682 | Modifiers[Count] = MapTypeModifiers[I]; |
19683 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; |
19684 | ++Count; |
19685 | } |
19686 | |
19687 | MappableVarListInfo MVLI(VarList); |
19688 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, |
19689 | MapperIdScopeSpec, MapperId, UnresolvedMappers, |
19690 | MapType, Modifiers, IsMapTypeImplicit, |
19691 | NoDiagnose); |
19692 | |
19693 | // We need to produce a map clause even if we don't have variables so that |
19694 | // other diagnostics related with non-existing map clauses are accurate. |
19695 | return OMPMapClause::Create(Context, Locs, MVLI.ProcessedVarList, |
19696 | MVLI.VarBaseDeclarations, MVLI.VarComponents, |
19697 | MVLI.UDMapperList, Modifiers, ModifiersLoc, |
19698 | MapperIdScopeSpec.getWithLocInContext(Context), |
19699 | MapperId, MapType, IsMapTypeImplicit, MapLoc); |
19700 | } |
19701 | |
19702 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, |
19703 | TypeResult ParsedType) { |
19704 | assert(ParsedType.isUsable())(static_cast<void> (0)); |
19705 | |
19706 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); |
19707 | if (ReductionType.isNull()) |
19708 | return QualType(); |
19709 | |
19710 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ |
19711 | // A type name in a declare reduction directive cannot be a function type, an |
19712 | // array type, a reference type, or a type qualified with const, volatile or |
19713 | // restrict. |
19714 | if (ReductionType.hasQualifiers()) { |
19715 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; |
19716 | return QualType(); |
19717 | } |
19718 | |
19719 | if (ReductionType->isFunctionType()) { |
19720 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; |
19721 | return QualType(); |
19722 | } |
19723 | if (ReductionType->isReferenceType()) { |
19724 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; |
19725 | return QualType(); |
19726 | } |
19727 | if (ReductionType->isArrayType()) { |
19728 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; |
19729 | return QualType(); |
19730 | } |
19731 | return ReductionType; |
19732 | } |
19733 | |
19734 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( |
19735 | Scope *S, DeclContext *DC, DeclarationName Name, |
19736 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, |
19737 | AccessSpecifier AS, Decl *PrevDeclInScope) { |
19738 | SmallVector<Decl *, 8> Decls; |
19739 | Decls.reserve(ReductionTypes.size()); |
19740 | |
19741 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, |
19742 | forRedeclarationInCurContext()); |
19743 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions |
19744 | // A reduction-identifier may not be re-declared in the current scope for the |
19745 | // same type or for a type that is compatible according to the base language |
19746 | // rules. |
19747 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; |
19748 | OMPDeclareReductionDecl *PrevDRD = nullptr; |
19749 | bool InCompoundScope = true; |
19750 | if (S != nullptr) { |
19751 | // Find previous declaration with the same name not referenced in other |
19752 | // declarations. |
19753 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); |
19754 | InCompoundScope = |
19755 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); |
19756 | LookupName(Lookup, S); |
19757 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, |
19758 | /*AllowInlineNamespace=*/false); |
19759 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; |
19760 | LookupResult::Filter Filter = Lookup.makeFilter(); |
19761 | while (Filter.hasNext()) { |
19762 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); |
19763 | if (InCompoundScope) { |
19764 | auto I = UsedAsPrevious.find(PrevDecl); |
19765 | if (I == UsedAsPrevious.end()) |
19766 | UsedAsPrevious[PrevDecl] = false; |
19767 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) |
19768 | UsedAsPrevious[D] = true; |
19769 | } |
19770 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = |
19771 | PrevDecl->getLocation(); |
19772 | } |
19773 | Filter.done(); |
19774 | if (InCompoundScope) { |
19775 | for (const auto &PrevData : UsedAsPrevious) { |
19776 | if (!PrevData.second) { |
19777 | PrevDRD = PrevData.first; |
19778 | break; |
19779 | } |
19780 | } |
19781 | } |
19782 | } else if (PrevDeclInScope != nullptr) { |
19783 | auto *PrevDRDInScope = PrevDRD = |
19784 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); |
19785 | do { |
19786 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = |
19787 | PrevDRDInScope->getLocation(); |
19788 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); |
19789 | } while (PrevDRDInScope != nullptr); |
19790 | } |
19791 | for (const auto &TyData : ReductionTypes) { |
19792 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); |
19793 | bool Invalid = false; |
19794 | if (I != PreviousRedeclTypes.end()) { |
19795 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) |
19796 | << TyData.first; |
19797 | Diag(I->second, diag::note_previous_definition); |
19798 | Invalid = true; |
19799 | } |
19800 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; |
19801 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, |
19802 | Name, TyData.first, PrevDRD); |
19803 | DC->addDecl(DRD); |
19804 | DRD->setAccess(AS); |
19805 | Decls.push_back(DRD); |
19806 | if (Invalid) |
19807 | DRD->setInvalidDecl(); |
19808 | else |
19809 | PrevDRD = DRD; |
19810 | } |
19811 | |
19812 | return DeclGroupPtrTy::make( |
19813 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); |
19814 | } |
19815 | |
19816 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { |
19817 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
19818 | |
19819 | // Enter new function scope. |
19820 | PushFunctionScope(); |
19821 | setFunctionHasBranchProtectedScope(); |
19822 | getCurFunction()->setHasOMPDeclareReductionCombiner(); |
19823 | |
19824 | if (S != nullptr) |
19825 | PushDeclContext(S, DRD); |
19826 | else |
19827 | CurContext = DRD; |
19828 | |
19829 | PushExpressionEvaluationContext( |
19830 | ExpressionEvaluationContext::PotentiallyEvaluated); |
19831 | |
19832 | QualType ReductionType = DRD->getType(); |
19833 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will |
19834 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' |
19835 | // uses semantics of argument handles by value, but it should be passed by |
19836 | // reference. C lang does not support references, so pass all parameters as |
19837 | // pointers. |
19838 | // Create 'T omp_in;' variable. |
19839 | VarDecl *OmpInParm = |
19840 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); |
19841 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will |
19842 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' |
19843 | // uses semantics of argument handles by value, but it should be passed by |
19844 | // reference. C lang does not support references, so pass all parameters as |
19845 | // pointers. |
19846 | // Create 'T omp_out;' variable. |
19847 | VarDecl *OmpOutParm = |
19848 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); |
19849 | if (S != nullptr) { |
19850 | PushOnScopeChains(OmpInParm, S); |
19851 | PushOnScopeChains(OmpOutParm, S); |
19852 | } else { |
19853 | DRD->addDecl(OmpInParm); |
19854 | DRD->addDecl(OmpOutParm); |
19855 | } |
19856 | Expr *InE = |
19857 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); |
19858 | Expr *OutE = |
19859 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); |
19860 | DRD->setCombinerData(InE, OutE); |
19861 | } |
19862 | |
19863 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { |
19864 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
19865 | DiscardCleanupsInEvaluationContext(); |
19866 | PopExpressionEvaluationContext(); |
19867 | |
19868 | PopDeclContext(); |
19869 | PopFunctionScopeInfo(); |
19870 | |
19871 | if (Combiner != nullptr) |
19872 | DRD->setCombiner(Combiner); |
19873 | else |
19874 | DRD->setInvalidDecl(); |
19875 | } |
19876 | |
19877 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { |
19878 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
19879 | |
19880 | // Enter new function scope. |
19881 | PushFunctionScope(); |
19882 | setFunctionHasBranchProtectedScope(); |
19883 | |
19884 | if (S != nullptr) |
19885 | PushDeclContext(S, DRD); |
19886 | else |
19887 | CurContext = DRD; |
19888 | |
19889 | PushExpressionEvaluationContext( |
19890 | ExpressionEvaluationContext::PotentiallyEvaluated); |
19891 | |
19892 | QualType ReductionType = DRD->getType(); |
19893 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will |
19894 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' |
19895 | // uses semantics of argument handles by value, but it should be passed by |
19896 | // reference. C lang does not support references, so pass all parameters as |
19897 | // pointers. |
19898 | // Create 'T omp_priv;' variable. |
19899 | VarDecl *OmpPrivParm = |
19900 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); |
19901 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will |
19902 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' |
19903 | // uses semantics of argument handles by value, but it should be passed by |
19904 | // reference. C lang does not support references, so pass all parameters as |
19905 | // pointers. |
19906 | // Create 'T omp_orig;' variable. |
19907 | VarDecl *OmpOrigParm = |
19908 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); |
19909 | if (S != nullptr) { |
19910 | PushOnScopeChains(OmpPrivParm, S); |
19911 | PushOnScopeChains(OmpOrigParm, S); |
19912 | } else { |
19913 | DRD->addDecl(OmpPrivParm); |
19914 | DRD->addDecl(OmpOrigParm); |
19915 | } |
19916 | Expr *OrigE = |
19917 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); |
19918 | Expr *PrivE = |
19919 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); |
19920 | DRD->setInitializerData(OrigE, PrivE); |
19921 | return OmpPrivParm; |
19922 | } |
19923 | |
19924 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, |
19925 | VarDecl *OmpPrivParm) { |
19926 | auto *DRD = cast<OMPDeclareReductionDecl>(D); |
19927 | DiscardCleanupsInEvaluationContext(); |
19928 | PopExpressionEvaluationContext(); |
19929 | |
19930 | PopDeclContext(); |
19931 | PopFunctionScopeInfo(); |
19932 | |
19933 | if (Initializer != nullptr) { |
19934 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); |
19935 | } else if (OmpPrivParm->hasInit()) { |
19936 | DRD->setInitializer(OmpPrivParm->getInit(), |
19937 | OmpPrivParm->isDirectInit() |
19938 | ? OMPDeclareReductionDecl::DirectInit |
19939 | : OMPDeclareReductionDecl::CopyInit); |
19940 | } else { |
19941 | DRD->setInvalidDecl(); |
19942 | } |
19943 | } |
19944 | |
19945 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( |
19946 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { |
19947 | for (Decl *D : DeclReductions.get()) { |
19948 | if (IsValid) { |
19949 | if (S) |
19950 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, |
19951 | /*AddToContext=*/false); |
19952 | } else { |
19953 | D->setInvalidDecl(); |
19954 | } |
19955 | } |
19956 | return DeclReductions; |
19957 | } |
19958 | |
19959 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { |
19960 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); |
19961 | QualType T = TInfo->getType(); |
19962 | if (D.isInvalidType()) |
19963 | return true; |
19964 | |
19965 | if (getLangOpts().CPlusPlus) { |
19966 | // Check that there are no default arguments (C++ only). |
19967 | CheckExtraCXXDefaultArguments(D); |
19968 | } |
19969 | |
19970 | return CreateParsedType(T, TInfo); |
19971 | } |
19972 | |
19973 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, |
19974 | TypeResult ParsedType) { |
19975 | assert(ParsedType.isUsable() && "Expect usable parsed mapper type")(static_cast<void> (0)); |
19976 | |
19977 | QualType MapperType = GetTypeFromParser(ParsedType.get()); |
19978 | assert(!MapperType.isNull() && "Expect valid mapper type")(static_cast<void> (0)); |
19979 | |
19980 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
19981 | // The type must be of struct, union or class type in C and C++ |
19982 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { |
19983 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); |
19984 | return QualType(); |
19985 | } |
19986 | return MapperType; |
19987 | } |
19988 | |
19989 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareMapperDirective( |
19990 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, |
19991 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, |
19992 | Expr *MapperVarRef, ArrayRef<OMPClause *> Clauses, Decl *PrevDeclInScope) { |
19993 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, |
19994 | forRedeclarationInCurContext()); |
19995 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions |
19996 | // A mapper-identifier may not be redeclared in the current scope for the |
19997 | // same type or for a type that is compatible according to the base language |
19998 | // rules. |
19999 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; |
20000 | OMPDeclareMapperDecl *PrevDMD = nullptr; |
20001 | bool InCompoundScope = true; |
20002 | if (S != nullptr) { |
20003 | // Find previous declaration with the same name not referenced in other |
20004 | // declarations. |
20005 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); |
20006 | InCompoundScope = |
20007 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); |
20008 | LookupName(Lookup, S); |
20009 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, |
20010 | /*AllowInlineNamespace=*/false); |
20011 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; |
20012 | LookupResult::Filter Filter = Lookup.makeFilter(); |
20013 | while (Filter.hasNext()) { |
20014 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); |
20015 | if (InCompoundScope) { |
20016 | auto I = UsedAsPrevious.find(PrevDecl); |
20017 | if (I == UsedAsPrevious.end()) |
20018 | UsedAsPrevious[PrevDecl] = false; |
20019 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) |
20020 | UsedAsPrevious[D] = true; |
20021 | } |
20022 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = |
20023 | PrevDecl->getLocation(); |
20024 | } |
20025 | Filter.done(); |
20026 | if (InCompoundScope) { |
20027 | for (const auto &PrevData : UsedAsPrevious) { |
20028 | if (!PrevData.second) { |
20029 | PrevDMD = PrevData.first; |
20030 | break; |
20031 | } |
20032 | } |
20033 | } |
20034 | } else if (PrevDeclInScope) { |
20035 | auto *PrevDMDInScope = PrevDMD = |
20036 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); |
20037 | do { |
20038 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = |
20039 | PrevDMDInScope->getLocation(); |
20040 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); |
20041 | } while (PrevDMDInScope != nullptr); |
20042 | } |
20043 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); |
20044 | bool Invalid = false; |
20045 | if (I != PreviousRedeclTypes.end()) { |
20046 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) |
20047 | << MapperType << Name; |
20048 | Diag(I->second, diag::note_previous_definition); |
20049 | Invalid = true; |
20050 | } |
20051 | // Build expressions for implicit maps of data members with 'default' |
20052 | // mappers. |
20053 | SmallVector<OMPClause *, 4> ClausesWithImplicit(Clauses.begin(), |
20054 | Clauses.end()); |
20055 | if (LangOpts.OpenMP >= 50) |
20056 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ClausesWithImplicit); |
20057 | auto *DMD = |
20058 | OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, MapperType, VN, |
20059 | ClausesWithImplicit, PrevDMD); |
20060 | if (S) |
20061 | PushOnScopeChains(DMD, S); |
20062 | else |
20063 | DC->addDecl(DMD); |
20064 | DMD->setAccess(AS); |
20065 | if (Invalid) |
20066 | DMD->setInvalidDecl(); |
20067 | |
20068 | auto *VD = cast<DeclRefExpr>(MapperVarRef)->getDecl(); |
20069 | VD->setDeclContext(DMD); |
20070 | VD->setLexicalDeclContext(DMD); |
20071 | DMD->addDecl(VD); |
20072 | DMD->setMapperVarRef(MapperVarRef); |
20073 | |
20074 | return DeclGroupPtrTy::make(DeclGroupRef(DMD)); |
20075 | } |
20076 | |
20077 | ExprResult |
20078 | Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(Scope *S, QualType MapperType, |
20079 | SourceLocation StartLoc, |
20080 | DeclarationName VN) { |
20081 | TypeSourceInfo *TInfo = |
20082 | Context.getTrivialTypeSourceInfo(MapperType, StartLoc); |
20083 | auto *VD = VarDecl::Create(Context, Context.getTranslationUnitDecl(), |
20084 | StartLoc, StartLoc, VN.getAsIdentifierInfo(), |
20085 | MapperType, TInfo, SC_None); |
20086 | if (S) |
20087 | PushOnScopeChains(VD, S, /*AddToContext=*/false); |
20088 | Expr *E = buildDeclRefExpr(*this, VD, MapperType, StartLoc); |
20089 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDeclareMapperVarRef(E); |
20090 | return E; |
20091 | } |
20092 | |
20093 | bool Sema::isOpenMPDeclareMapperVarDeclAllowed(const VarDecl *VD) const { |
20094 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")(static_cast<void> (0)); |
20095 | const Expr *Ref = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef(); |
20096 | if (const auto *DRE = cast_or_null<DeclRefExpr>(Ref)) { |
20097 | if (VD->getCanonicalDecl() == DRE->getDecl()->getCanonicalDecl()) |
20098 | return true; |
20099 | if (VD->isUsableInConstantExpressions(Context)) |
20100 | return true; |
20101 | return false; |
20102 | } |
20103 | return true; |
20104 | } |
20105 | |
20106 | const ValueDecl *Sema::getOpenMPDeclareMapperVarName() const { |
20107 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")(static_cast<void> (0)); |
20108 | return cast<DeclRefExpr>(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef())->getDecl(); |
20109 | } |
20110 | |
20111 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, |
20112 | SourceLocation StartLoc, |
20113 | SourceLocation LParenLoc, |
20114 | SourceLocation EndLoc) { |
20115 | Expr *ValExpr = NumTeams; |
20116 | Stmt *HelperValStmt = nullptr; |
20117 | |
20118 | // OpenMP [teams Constrcut, Restrictions] |
20119 | // The num_teams expression must evaluate to a positive integer value. |
20120 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, |
20121 | /*StrictlyPositive=*/true)) |
20122 | return nullptr; |
20123 | |
20124 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
20125 | OpenMPDirectiveKind CaptureRegion = |
20126 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams, LangOpts.OpenMP); |
20127 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
20128 | ValExpr = MakeFullExpr(ValExpr).get(); |
20129 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
20130 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
20131 | HelperValStmt = buildPreInits(Context, Captures); |
20132 | } |
20133 | |
20134 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, |
20135 | StartLoc, LParenLoc, EndLoc); |
20136 | } |
20137 | |
20138 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, |
20139 | SourceLocation StartLoc, |
20140 | SourceLocation LParenLoc, |
20141 | SourceLocation EndLoc) { |
20142 | Expr *ValExpr = ThreadLimit; |
20143 | Stmt *HelperValStmt = nullptr; |
20144 | |
20145 | // OpenMP [teams Constrcut, Restrictions] |
20146 | // The thread_limit expression must evaluate to a positive integer value. |
20147 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, |
20148 | /*StrictlyPositive=*/true)) |
20149 | return nullptr; |
20150 | |
20151 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); |
20152 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( |
20153 | DKind, OMPC_thread_limit, LangOpts.OpenMP); |
20154 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { |
20155 | ValExpr = MakeFullExpr(ValExpr).get(); |
20156 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
20157 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
20158 | HelperValStmt = buildPreInits(Context, Captures); |
20159 | } |
20160 | |
20161 | return new (Context) OMPThreadLimitClause( |
20162 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); |
20163 | } |
20164 | |
20165 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, |
20166 | SourceLocation StartLoc, |
20167 | SourceLocation LParenLoc, |
20168 | SourceLocation EndLoc) { |
20169 | Expr *ValExpr = Priority; |
20170 | Stmt *HelperValStmt = nullptr; |
20171 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
20172 | |
20173 | // OpenMP [2.9.1, task Constrcut] |
20174 | // The priority-value is a non-negative numerical scalar expression. |
20175 | if (!isNonNegativeIntegerValue( |
20176 | ValExpr, *this, OMPC_priority, |
20177 | /*StrictlyPositive=*/false, /*BuildCapture=*/true, |
20178 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
20179 | return nullptr; |
20180 | |
20181 | return new (Context) OMPPriorityClause(ValExpr, HelperValStmt, CaptureRegion, |
20182 | StartLoc, LParenLoc, EndLoc); |
20183 | } |
20184 | |
20185 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, |
20186 | SourceLocation StartLoc, |
20187 | SourceLocation LParenLoc, |
20188 | SourceLocation EndLoc) { |
20189 | Expr *ValExpr = Grainsize; |
20190 | Stmt *HelperValStmt = nullptr; |
20191 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
20192 | |
20193 | // OpenMP [2.9.2, taskloop Constrcut] |
20194 | // The parameter of the grainsize clause must be a positive integer |
20195 | // expression. |
20196 | if (!isNonNegativeIntegerValue( |
20197 | ValExpr, *this, OMPC_grainsize, |
20198 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, |
20199 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
20200 | return nullptr; |
20201 | |
20202 | return new (Context) OMPGrainsizeClause(ValExpr, HelperValStmt, CaptureRegion, |
20203 | StartLoc, LParenLoc, EndLoc); |
20204 | } |
20205 | |
20206 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, |
20207 | SourceLocation StartLoc, |
20208 | SourceLocation LParenLoc, |
20209 | SourceLocation EndLoc) { |
20210 | Expr *ValExpr = NumTasks; |
20211 | Stmt *HelperValStmt = nullptr; |
20212 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; |
20213 | |
20214 | // OpenMP [2.9.2, taskloop Constrcut] |
20215 | // The parameter of the num_tasks clause must be a positive integer |
20216 | // expression. |
20217 | if (!isNonNegativeIntegerValue( |
20218 | ValExpr, *this, OMPC_num_tasks, |
20219 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, |
20220 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) |
20221 | return nullptr; |
20222 | |
20223 | return new (Context) OMPNumTasksClause(ValExpr, HelperValStmt, CaptureRegion, |
20224 | StartLoc, LParenLoc, EndLoc); |
20225 | } |
20226 | |
20227 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, |
20228 | SourceLocation LParenLoc, |
20229 | SourceLocation EndLoc) { |
20230 | // OpenMP [2.13.2, critical construct, Description] |
20231 | // ... where hint-expression is an integer constant expression that evaluates |
20232 | // to a valid lock hint. |
20233 | ExprResult HintExpr = VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint); |
20234 | if (HintExpr.isInvalid()) |
20235 | return nullptr; |
20236 | return new (Context) |
20237 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); |
20238 | } |
20239 | |
20240 | /// Tries to find omp_event_handle_t type. |
20241 | static bool findOMPEventHandleT(Sema &S, SourceLocation Loc, |
20242 | DSAStackTy *Stack) { |
20243 | QualType OMPEventHandleT = Stack->getOMPEventHandleT(); |
20244 | if (!OMPEventHandleT.isNull()) |
20245 | return true; |
20246 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_event_handle_t"); |
20247 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); |
20248 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
20249 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_event_handle_t"; |
20250 | return false; |
20251 | } |
20252 | Stack->setOMPEventHandleT(PT.get()); |
20253 | return true; |
20254 | } |
20255 | |
20256 | OMPClause *Sema::ActOnOpenMPDetachClause(Expr *Evt, SourceLocation StartLoc, |
20257 | SourceLocation LParenLoc, |
20258 | SourceLocation EndLoc) { |
20259 | if (!Evt->isValueDependent() && !Evt->isTypeDependent() && |
20260 | !Evt->isInstantiationDependent() && |
20261 | !Evt->containsUnexpandedParameterPack()) { |
20262 | if (!findOMPEventHandleT(*this, Evt->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
20263 | return nullptr; |
20264 | // OpenMP 5.0, 2.10.1 task Construct. |
20265 | // event-handle is a variable of the omp_event_handle_t type. |
20266 | auto *Ref = dyn_cast<DeclRefExpr>(Evt->IgnoreParenImpCasts()); |
20267 | if (!Ref) { |
20268 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
20269 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); |
20270 | return nullptr; |
20271 | } |
20272 | auto *VD = dyn_cast_or_null<VarDecl>(Ref->getDecl()); |
20273 | if (!VD) { |
20274 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
20275 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); |
20276 | return nullptr; |
20277 | } |
20278 | if (!Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPEventHandleT(), |
20279 | VD->getType()) || |
20280 | VD->getType().isConstant(Context)) { |
20281 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) |
20282 | << "omp_event_handle_t" << 1 << VD->getType() |
20283 | << Evt->getSourceRange(); |
20284 | return nullptr; |
20285 | } |
20286 | // OpenMP 5.0, 2.10.1 task Construct |
20287 | // [detach clause]... The event-handle will be considered as if it was |
20288 | // specified on a firstprivate clause. |
20289 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); |
20290 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && |
20291 | DVar.RefExpr) { |
20292 | Diag(Evt->getExprLoc(), diag::err_omp_wrong_dsa) |
20293 | << getOpenMPClauseName(DVar.CKind) |
20294 | << getOpenMPClauseName(OMPC_firstprivate); |
20295 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); |
20296 | return nullptr; |
20297 | } |
20298 | } |
20299 | |
20300 | return new (Context) OMPDetachClause(Evt, StartLoc, LParenLoc, EndLoc); |
20301 | } |
20302 | |
20303 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( |
20304 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, |
20305 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, |
20306 | SourceLocation EndLoc) { |
20307 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { |
20308 | std::string Values; |
20309 | Values += "'"; |
20310 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); |
20311 | Values += "'"; |
20312 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
20313 | << Values << getOpenMPClauseName(OMPC_dist_schedule); |
20314 | return nullptr; |
20315 | } |
20316 | Expr *ValExpr = ChunkSize; |
20317 | Stmt *HelperValStmt = nullptr; |
20318 | if (ChunkSize) { |
20319 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && |
20320 | !ChunkSize->isInstantiationDependent() && |
20321 | !ChunkSize->containsUnexpandedParameterPack()) { |
20322 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); |
20323 | ExprResult Val = |
20324 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); |
20325 | if (Val.isInvalid()) |
20326 | return nullptr; |
20327 | |
20328 | ValExpr = Val.get(); |
20329 | |
20330 | // OpenMP [2.7.1, Restrictions] |
20331 | // chunk_size must be a loop invariant integer expression with a positive |
20332 | // value. |
20333 | if (Optional<llvm::APSInt> Result = |
20334 | ValExpr->getIntegerConstantExpr(Context)) { |
20335 | if (Result->isSigned() && !Result->isStrictlyPositive()) { |
20336 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) |
20337 | << "dist_schedule" << ChunkSize->getSourceRange(); |
20338 | return nullptr; |
20339 | } |
20340 | } else if (getOpenMPCaptureRegionForClause( |
20341 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule, |
20342 | LangOpts.OpenMP) != OMPD_unknown && |
20343 | !CurContext->isDependentContext()) { |
20344 | ValExpr = MakeFullExpr(ValExpr).get(); |
20345 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; |
20346 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); |
20347 | HelperValStmt = buildPreInits(Context, Captures); |
20348 | } |
20349 | } |
20350 | } |
20351 | |
20352 | return new (Context) |
20353 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, |
20354 | Kind, ValExpr, HelperValStmt); |
20355 | } |
20356 | |
20357 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( |
20358 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, |
20359 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, |
20360 | SourceLocation KindLoc, SourceLocation EndLoc) { |
20361 | if (getLangOpts().OpenMP < 50) { |
20362 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || |
20363 | Kind != OMPC_DEFAULTMAP_scalar) { |
20364 | std::string Value; |
20365 | SourceLocation Loc; |
20366 | Value += "'"; |
20367 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { |
20368 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, |
20369 | OMPC_DEFAULTMAP_MODIFIER_tofrom); |
20370 | Loc = MLoc; |
20371 | } else { |
20372 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, |
20373 | OMPC_DEFAULTMAP_scalar); |
20374 | Loc = KindLoc; |
20375 | } |
20376 | Value += "'"; |
20377 | Diag(Loc, diag::err_omp_unexpected_clause_value) |
20378 | << Value << getOpenMPClauseName(OMPC_defaultmap); |
20379 | return nullptr; |
20380 | } |
20381 | } else { |
20382 | bool isDefaultmapModifier = (M != OMPC_DEFAULTMAP_MODIFIER_unknown); |
20383 | bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown) || |
20384 | (LangOpts.OpenMP >= 50 && KindLoc.isInvalid()); |
20385 | if (!isDefaultmapKind || !isDefaultmapModifier) { |
20386 | StringRef KindValue = "'scalar', 'aggregate', 'pointer'"; |
20387 | if (LangOpts.OpenMP == 50) { |
20388 | StringRef ModifierValue = "'alloc', 'from', 'to', 'tofrom', " |
20389 | "'firstprivate', 'none', 'default'"; |
20390 | if (!isDefaultmapKind && isDefaultmapModifier) { |
20391 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
20392 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
20393 | } else if (isDefaultmapKind && !isDefaultmapModifier) { |
20394 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
20395 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
20396 | } else { |
20397 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
20398 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
20399 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
20400 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
20401 | } |
20402 | } else { |
20403 | StringRef ModifierValue = |
20404 | "'alloc', 'from', 'to', 'tofrom', " |
20405 | "'firstprivate', 'none', 'default', 'present'"; |
20406 | if (!isDefaultmapKind && isDefaultmapModifier) { |
20407 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
20408 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
20409 | } else if (isDefaultmapKind && !isDefaultmapModifier) { |
20410 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
20411 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
20412 | } else { |
20413 | Diag(MLoc, diag::err_omp_unexpected_clause_value) |
20414 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); |
20415 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) |
20416 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); |
20417 | } |
20418 | } |
20419 | return nullptr; |
20420 | } |
20421 | |
20422 | // OpenMP [5.0, 2.12.5, Restrictions, p. 174] |
20423 | // At most one defaultmap clause for each category can appear on the |
20424 | // directive. |
20425 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkDefaultmapCategory(Kind)) { |
20426 | Diag(StartLoc, diag::err_omp_one_defaultmap_each_category); |
20427 | return nullptr; |
20428 | } |
20429 | } |
20430 | if (Kind == OMPC_DEFAULTMAP_unknown) { |
20431 | // Variable category is not specified - mark all categories. |
20432 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_aggregate, StartLoc); |
20433 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_scalar, StartLoc); |
20434 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_pointer, StartLoc); |
20435 | } else { |
20436 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, Kind, StartLoc); |
20437 | } |
20438 | |
20439 | return new (Context) |
20440 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); |
20441 | } |
20442 | |
20443 | bool Sema::ActOnStartOpenMPDeclareTargetContext( |
20444 | DeclareTargetContextInfo &DTCI) { |
20445 | DeclContext *CurLexicalContext = getCurLexicalContext(); |
20446 | if (!CurLexicalContext->isFileContext() && |
20447 | !CurLexicalContext->isExternCContext() && |
20448 | !CurLexicalContext->isExternCXXContext() && |
20449 | !isa<CXXRecordDecl>(CurLexicalContext) && |
20450 | !isa<ClassTemplateDecl>(CurLexicalContext) && |
20451 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && |
20452 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { |
20453 | Diag(DTCI.Loc, diag::err_omp_region_not_file_context); |
20454 | return false; |
20455 | } |
20456 | DeclareTargetNesting.push_back(DTCI); |
20457 | return true; |
20458 | } |
20459 | |
20460 | const Sema::DeclareTargetContextInfo |
20461 | Sema::ActOnOpenMPEndDeclareTargetDirective() { |
20462 | assert(!DeclareTargetNesting.empty() &&(static_cast<void> (0)) |
20463 | "check isInOpenMPDeclareTargetContext() first!")(static_cast<void> (0)); |
20464 | return DeclareTargetNesting.pop_back_val(); |
20465 | } |
20466 | |
20467 | void Sema::ActOnFinishedOpenMPDeclareTargetContext( |
20468 | DeclareTargetContextInfo &DTCI) { |
20469 | for (auto &It : DTCI.ExplicitlyMapped) |
20470 | ActOnOpenMPDeclareTargetName(It.first, It.second.Loc, It.second.MT, |
20471 | DTCI.DT); |
20472 | } |
20473 | |
20474 | NamedDecl *Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, |
20475 | CXXScopeSpec &ScopeSpec, |
20476 | const DeclarationNameInfo &Id) { |
20477 | LookupResult Lookup(*this, Id, LookupOrdinaryName); |
20478 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); |
20479 | |
20480 | if (Lookup.isAmbiguous()) |
20481 | return nullptr; |
20482 | Lookup.suppressDiagnostics(); |
20483 | |
20484 | if (!Lookup.isSingleResult()) { |
20485 | VarOrFuncDeclFilterCCC CCC(*this); |
20486 | if (TypoCorrection Corrected = |
20487 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, |
20488 | CTK_ErrorRecovery)) { |
20489 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) |
20490 | << Id.getName()); |
20491 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); |
20492 | return nullptr; |
20493 | } |
20494 | |
20495 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); |
20496 | return nullptr; |
20497 | } |
20498 | |
20499 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); |
20500 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && |
20501 | !isa<FunctionTemplateDecl>(ND)) { |
20502 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); |
20503 | return nullptr; |
20504 | } |
20505 | return ND; |
20506 | } |
20507 | |
20508 | void Sema::ActOnOpenMPDeclareTargetName( |
20509 | NamedDecl *ND, SourceLocation Loc, OMPDeclareTargetDeclAttr::MapTypeTy MT, |
20510 | OMPDeclareTargetDeclAttr::DevTypeTy DT) { |
20511 | assert((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) ||(static_cast<void> (0)) |
20512 | isa<FunctionTemplateDecl>(ND)) &&(static_cast<void> (0)) |
20513 | "Expected variable, function or function template.")(static_cast<void> (0)); |
20514 | |
20515 | // Diagnose marking after use as it may lead to incorrect diagnosis and |
20516 | // codegen. |
20517 | if (LangOpts.OpenMP >= 50 && |
20518 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) |
20519 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); |
20520 | |
20521 | // Explicit declare target lists have precedence. |
20522 | const unsigned Level = -1; |
20523 | |
20524 | auto *VD = cast<ValueDecl>(ND); |
20525 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = |
20526 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); |
20527 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getDevType() != DT && |
20528 | ActiveAttr.getValue()->getLevel() == Level) { |
20529 | Diag(Loc, diag::err_omp_device_type_mismatch) |
20530 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DT) |
20531 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr( |
20532 | ActiveAttr.getValue()->getDevType()); |
20533 | return; |
20534 | } |
20535 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getMapType() != MT && |
20536 | ActiveAttr.getValue()->getLevel() == Level) { |
20537 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; |
20538 | return; |
20539 | } |
20540 | |
20541 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() == Level) |
20542 | return; |
20543 | |
20544 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit(Context, MT, DT, Level, |
20545 | SourceRange(Loc, Loc)); |
20546 | ND->addAttr(A); |
20547 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
20548 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); |
20549 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); |
20550 | } |
20551 | |
20552 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, |
20553 | Sema &SemaRef, Decl *D) { |
20554 | if (!D || !isa<VarDecl>(D)) |
20555 | return; |
20556 | auto *VD = cast<VarDecl>(D); |
20557 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = |
20558 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); |
20559 | if (SemaRef.LangOpts.OpenMP >= 50 && |
20560 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || |
20561 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && |
20562 | VD->hasGlobalStorage()) { |
20563 | if (!MapTy || *MapTy != OMPDeclareTargetDeclAttr::MT_To) { |
20564 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions |
20565 | // If a lambda declaration and definition appears between a |
20566 | // declare target directive and the matching end declare target |
20567 | // directive, all variables that are captured by the lambda |
20568 | // expression must also appear in a to clause. |
20569 | SemaRef.Diag(VD->getLocation(), |
20570 | diag::err_omp_lambda_capture_in_declare_target_not_to); |
20571 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) |
20572 | << VD << 0 << SR; |
20573 | return; |
20574 | } |
20575 | } |
20576 | if (MapTy.hasValue()) |
20577 | return; |
20578 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); |
20579 | SemaRef.Diag(SL, diag::note_used_here) << SR; |
20580 | } |
20581 | |
20582 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, |
20583 | Sema &SemaRef, DSAStackTy *Stack, |
20584 | ValueDecl *VD) { |
20585 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || |
20586 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), |
20587 | /*FullCheck=*/false); |
20588 | } |
20589 | |
20590 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, |
20591 | SourceLocation IdLoc) { |
20592 | if (!D || D->isInvalidDecl()) |
20593 | return; |
20594 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); |
20595 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); |
20596 | if (auto *VD = dyn_cast<VarDecl>(D)) { |
20597 | // Only global variables can be marked as declare target. |
20598 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && |
20599 | !VD->isStaticDataMember()) |
20600 | return; |
20601 | // 2.10.6: threadprivate variable cannot appear in a declare target |
20602 | // directive. |
20603 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { |
20604 | Diag(SL, diag::err_omp_threadprivate_in_target); |
20605 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); |
20606 | return; |
20607 | } |
20608 | } |
20609 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) |
20610 | D = FTD->getTemplatedDecl(); |
20611 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { |
20612 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = |
20613 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); |
20614 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { |
20615 | Diag(IdLoc, diag::err_omp_function_in_link_clause); |
20616 | Diag(FD->getLocation(), diag::note_defined_here) << FD; |
20617 | return; |
20618 | } |
20619 | } |
20620 | if (auto *VD = dyn_cast<ValueDecl>(D)) { |
20621 | // Problem if any with var declared with incomplete type will be reported |
20622 | // as normal, so no need to check it here. |
20623 | if ((E || !VD->getType()->isIncompleteType()) && |
20624 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) |
20625 | return; |
20626 | if (!E && isInOpenMPDeclareTargetContext()) { |
20627 | // Checking declaration inside declare target region. |
20628 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || |
20629 | isa<FunctionTemplateDecl>(D)) { |
20630 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = |
20631 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); |
20632 | unsigned Level = DeclareTargetNesting.size(); |
20633 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() >= Level) |
20634 | return; |
20635 | DeclareTargetContextInfo &DTCI = DeclareTargetNesting.back(); |
20636 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( |
20637 | Context, OMPDeclareTargetDeclAttr::MT_To, DTCI.DT, Level, |
20638 | SourceRange(DTCI.Loc, DTCI.Loc)); |
20639 | D->addAttr(A); |
20640 | if (ASTMutationListener *ML = Context.getASTMutationListener()) |
20641 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); |
20642 | } |
20643 | return; |
20644 | } |
20645 | } |
20646 | if (!E) |
20647 | return; |
20648 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); |
20649 | } |
20650 | |
20651 | OMPClause *Sema::ActOnOpenMPToClause( |
20652 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
20653 | ArrayRef<SourceLocation> MotionModifiersLoc, |
20654 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
20655 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
20656 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { |
20657 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, |
20658 | OMPC_MOTION_MODIFIER_unknown}; |
20659 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; |
20660 | |
20661 | // Process motion-modifiers, flag errors for duplicate modifiers. |
20662 | unsigned Count = 0; |
20663 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { |
20664 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && |
20665 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { |
20666 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); |
20667 | continue; |
20668 | } |
20669 | assert(Count < NumberOfOMPMotionModifiers &&(static_cast<void> (0)) |
20670 | "Modifiers exceed the allowed number of motion modifiers")(static_cast<void> (0)); |
20671 | Modifiers[Count] = MotionModifiers[I]; |
20672 | ModifiersLoc[Count] = MotionModifiersLoc[I]; |
20673 | ++Count; |
20674 | } |
20675 | |
20676 | MappableVarListInfo MVLI(VarList); |
20677 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, |
20678 | MapperIdScopeSpec, MapperId, UnresolvedMappers); |
20679 | if (MVLI.ProcessedVarList.empty()) |
20680 | return nullptr; |
20681 | |
20682 | return OMPToClause::Create( |
20683 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, |
20684 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, |
20685 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); |
20686 | } |
20687 | |
20688 | OMPClause *Sema::ActOnOpenMPFromClause( |
20689 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
20690 | ArrayRef<SourceLocation> MotionModifiersLoc, |
20691 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, |
20692 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, |
20693 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { |
20694 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, |
20695 | OMPC_MOTION_MODIFIER_unknown}; |
20696 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; |
20697 | |
20698 | // Process motion-modifiers, flag errors for duplicate modifiers. |
20699 | unsigned Count = 0; |
20700 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { |
20701 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && |
20702 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { |
20703 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); |
20704 | continue; |
20705 | } |
20706 | assert(Count < NumberOfOMPMotionModifiers &&(static_cast<void> (0)) |
20707 | "Modifiers exceed the allowed number of motion modifiers")(static_cast<void> (0)); |
20708 | Modifiers[Count] = MotionModifiers[I]; |
20709 | ModifiersLoc[Count] = MotionModifiersLoc[I]; |
20710 | ++Count; |
20711 | } |
20712 | |
20713 | MappableVarListInfo MVLI(VarList); |
20714 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, |
20715 | MapperIdScopeSpec, MapperId, UnresolvedMappers); |
20716 | if (MVLI.ProcessedVarList.empty()) |
20717 | return nullptr; |
20718 | |
20719 | return OMPFromClause::Create( |
20720 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, |
20721 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, |
20722 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); |
20723 | } |
20724 | |
20725 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, |
20726 | const OMPVarListLocTy &Locs) { |
20727 | MappableVarListInfo MVLI(VarList); |
20728 | SmallVector<Expr *, 8> PrivateCopies; |
20729 | SmallVector<Expr *, 8> Inits; |
20730 | |
20731 | for (Expr *RefExpr : VarList) { |
20732 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")(static_cast<void> (0)); |
20733 | SourceLocation ELoc; |
20734 | SourceRange ERange; |
20735 | Expr *SimpleRefExpr = RefExpr; |
20736 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
20737 | if (Res.second) { |
20738 | // It will be analyzed later. |
20739 | MVLI.ProcessedVarList.push_back(RefExpr); |
20740 | PrivateCopies.push_back(nullptr); |
20741 | Inits.push_back(nullptr); |
20742 | } |
20743 | ValueDecl *D = Res.first; |
20744 | if (!D) |
20745 | continue; |
20746 | |
20747 | QualType Type = D->getType(); |
20748 | Type = Type.getNonReferenceType().getUnqualifiedType(); |
20749 | |
20750 | auto *VD = dyn_cast<VarDecl>(D); |
20751 | |
20752 | // Item should be a pointer or reference to pointer. |
20753 | if (!Type->isPointerType()) { |
20754 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) |
20755 | << 0 << RefExpr->getSourceRange(); |
20756 | continue; |
20757 | } |
20758 | |
20759 | // Build the private variable and the expression that refers to it. |
20760 | auto VDPrivate = |
20761 | buildVarDecl(*this, ELoc, Type, D->getName(), |
20762 | D->hasAttrs() ? &D->getAttrs() : nullptr, |
20763 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); |
20764 | if (VDPrivate->isInvalidDecl()) |
20765 | continue; |
20766 | |
20767 | CurContext->addDecl(VDPrivate); |
20768 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( |
20769 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); |
20770 | |
20771 | // Add temporary variable to initialize the private copy of the pointer. |
20772 | VarDecl *VDInit = |
20773 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); |
20774 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( |
20775 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); |
20776 | AddInitializerToDecl(VDPrivate, |
20777 | DefaultLvalueConversion(VDInitRefExpr).get(), |
20778 | /*DirectInit=*/false); |
20779 | |
20780 | // If required, build a capture to implement the privatization initialized |
20781 | // with the current list item value. |
20782 | DeclRefExpr *Ref = nullptr; |
20783 | if (!VD) |
20784 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
20785 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); |
20786 | PrivateCopies.push_back(VDPrivateRefExpr); |
20787 | Inits.push_back(VDInitRefExpr); |
20788 | |
20789 | // We need to add a data sharing attribute for this variable to make sure it |
20790 | // is correctly captured. A variable that shows up in a use_device_ptr has |
20791 | // similar properties of a first private variable. |
20792 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
20793 | |
20794 | // Create a mappable component for the list item. List items in this clause |
20795 | // only need a component. |
20796 | MVLI.VarBaseDeclarations.push_back(D); |
20797 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
20798 | MVLI.VarComponents.back().emplace_back(SimpleRefExpr, D, |
20799 | /*IsNonContiguous=*/false); |
20800 | } |
20801 | |
20802 | if (MVLI.ProcessedVarList.empty()) |
20803 | return nullptr; |
20804 | |
20805 | return OMPUseDevicePtrClause::Create( |
20806 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, |
20807 | MVLI.VarBaseDeclarations, MVLI.VarComponents); |
20808 | } |
20809 | |
20810 | OMPClause *Sema::ActOnOpenMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, |
20811 | const OMPVarListLocTy &Locs) { |
20812 | MappableVarListInfo MVLI(VarList); |
20813 | |
20814 | for (Expr *RefExpr : VarList) { |
20815 | assert(RefExpr && "NULL expr in OpenMP use_device_addr clause.")(static_cast<void> (0)); |
20816 | SourceLocation ELoc; |
20817 | SourceRange ERange; |
20818 | Expr *SimpleRefExpr = RefExpr; |
20819 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
20820 | /*AllowArraySection=*/true); |
20821 | if (Res.second) { |
20822 | // It will be analyzed later. |
20823 | MVLI.ProcessedVarList.push_back(RefExpr); |
20824 | } |
20825 | ValueDecl *D = Res.first; |
20826 | if (!D) |
20827 | continue; |
20828 | auto *VD = dyn_cast<VarDecl>(D); |
20829 | |
20830 | // If required, build a capture to implement the privatization initialized |
20831 | // with the current list item value. |
20832 | DeclRefExpr *Ref = nullptr; |
20833 | if (!VD) |
20834 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); |
20835 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); |
20836 | |
20837 | // We need to add a data sharing attribute for this variable to make sure it |
20838 | // is correctly captured. A variable that shows up in a use_device_addr has |
20839 | // similar properties of a first private variable. |
20840 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); |
20841 | |
20842 | // Create a mappable component for the list item. List items in this clause |
20843 | // only need a component. |
20844 | MVLI.VarBaseDeclarations.push_back(D); |
20845 | MVLI.VarComponents.emplace_back(); |
20846 | Expr *Component = SimpleRefExpr; |
20847 | if (VD && (isa<OMPArraySectionExpr>(RefExpr->IgnoreParenImpCasts()) || |
20848 | isa<ArraySubscriptExpr>(RefExpr->IgnoreParenImpCasts()))) |
20849 | Component = DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); |
20850 | MVLI.VarComponents.back().emplace_back(Component, D, |
20851 | /*IsNonContiguous=*/false); |
20852 | } |
20853 | |
20854 | if (MVLI.ProcessedVarList.empty()) |
20855 | return nullptr; |
20856 | |
20857 | return OMPUseDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
20858 | MVLI.VarBaseDeclarations, |
20859 | MVLI.VarComponents); |
20860 | } |
20861 | |
20862 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, |
20863 | const OMPVarListLocTy &Locs) { |
20864 | MappableVarListInfo MVLI(VarList); |
20865 | for (Expr *RefExpr : VarList) { |
20866 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")(static_cast<void> (0)); |
20867 | SourceLocation ELoc; |
20868 | SourceRange ERange; |
20869 | Expr *SimpleRefExpr = RefExpr; |
20870 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
20871 | if (Res.second) { |
20872 | // It will be analyzed later. |
20873 | MVLI.ProcessedVarList.push_back(RefExpr); |
20874 | } |
20875 | ValueDecl *D = Res.first; |
20876 | if (!D) |
20877 | continue; |
20878 | |
20879 | QualType Type = D->getType(); |
20880 | // item should be a pointer or array or reference to pointer or array |
20881 | if (!Type.getNonReferenceType()->isPointerType() && |
20882 | !Type.getNonReferenceType()->isArrayType()) { |
20883 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) |
20884 | << 0 << RefExpr->getSourceRange(); |
20885 | continue; |
20886 | } |
20887 | |
20888 | // Check if the declaration in the clause does not show up in any data |
20889 | // sharing attribute. |
20890 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); |
20891 | if (isOpenMPPrivate(DVar.CKind)) { |
20892 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) |
20893 | << getOpenMPClauseName(DVar.CKind) |
20894 | << getOpenMPClauseName(OMPC_is_device_ptr) |
20895 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); |
20896 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); |
20897 | continue; |
20898 | } |
20899 | |
20900 | const Expr *ConflictExpr; |
20901 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( |
20902 | D, /*CurrentRegionOnly=*/true, |
20903 | [&ConflictExpr]( |
20904 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, |
20905 | OpenMPClauseKind) -> bool { |
20906 | ConflictExpr = R.front().getAssociatedExpression(); |
20907 | return true; |
20908 | })) { |
20909 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); |
20910 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) |
20911 | << ConflictExpr->getSourceRange(); |
20912 | continue; |
20913 | } |
20914 | |
20915 | // Store the components in the stack so that they can be used to check |
20916 | // against other clauses later on. |
20917 | OMPClauseMappableExprCommon::MappableComponent MC( |
20918 | SimpleRefExpr, D, /*IsNonContiguous=*/false); |
20919 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( |
20920 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); |
20921 | |
20922 | // Record the expression we've just processed. |
20923 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); |
20924 | |
20925 | // Create a mappable component for the list item. List items in this clause |
20926 | // only need a component. We use a null declaration to signal fields in |
20927 | // 'this'. |
20928 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||(static_cast<void> (0)) |
20929 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&(static_cast<void> (0)) |
20930 | "Unexpected device pointer expression!")(static_cast<void> (0)); |
20931 | MVLI.VarBaseDeclarations.push_back( |
20932 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); |
20933 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); |
20934 | MVLI.VarComponents.back().push_back(MC); |
20935 | } |
20936 | |
20937 | if (MVLI.ProcessedVarList.empty()) |
20938 | return nullptr; |
20939 | |
20940 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, |
20941 | MVLI.VarBaseDeclarations, |
20942 | MVLI.VarComponents); |
20943 | } |
20944 | |
20945 | OMPClause *Sema::ActOnOpenMPAllocateClause( |
20946 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
20947 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { |
20948 | if (Allocator) { |
20949 | // OpenMP [2.11.4 allocate Clause, Description] |
20950 | // allocator is an expression of omp_allocator_handle_t type. |
20951 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
20952 | return nullptr; |
20953 | |
20954 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); |
20955 | if (AllocatorRes.isInvalid()) |
20956 | return nullptr; |
20957 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), |
20958 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
20959 | Sema::AA_Initializing, |
20960 | /*AllowExplicit=*/true); |
20961 | if (AllocatorRes.isInvalid()) |
20962 | return nullptr; |
20963 | Allocator = AllocatorRes.get(); |
20964 | } else { |
20965 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. |
20966 | // allocate clauses that appear on a target construct or on constructs in a |
20967 | // target region must specify an allocator expression unless a requires |
20968 | // directive with the dynamic_allocators clause is present in the same |
20969 | // compilation unit. |
20970 | if (LangOpts.OpenMPIsDevice && |
20971 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) |
20972 | targetDiag(StartLoc, diag::err_expected_allocator_expression); |
20973 | } |
20974 | // Analyze and build list of variables. |
20975 | SmallVector<Expr *, 8> Vars; |
20976 | for (Expr *RefExpr : VarList) { |
20977 | assert(RefExpr && "NULL expr in OpenMP private clause.")(static_cast<void> (0)); |
20978 | SourceLocation ELoc; |
20979 | SourceRange ERange; |
20980 | Expr *SimpleRefExpr = RefExpr; |
20981 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
20982 | if (Res.second) { |
20983 | // It will be analyzed later. |
20984 | Vars.push_back(RefExpr); |
20985 | } |
20986 | ValueDecl *D = Res.first; |
20987 | if (!D) |
20988 | continue; |
20989 | |
20990 | auto *VD = dyn_cast<VarDecl>(D); |
20991 | DeclRefExpr *Ref = nullptr; |
20992 | if (!VD && !CurContext->isDependentContext()) |
20993 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); |
20994 | Vars.push_back((VD || CurContext->isDependentContext()) |
20995 | ? RefExpr->IgnoreParens() |
20996 | : Ref); |
20997 | } |
20998 | |
20999 | if (Vars.empty()) |
21000 | return nullptr; |
21001 | |
21002 | if (Allocator) |
21003 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addInnerAllocatorExpr(Allocator); |
21004 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, |
21005 | ColonLoc, EndLoc, Vars); |
21006 | } |
21007 | |
21008 | OMPClause *Sema::ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, |
21009 | SourceLocation StartLoc, |
21010 | SourceLocation LParenLoc, |
21011 | SourceLocation EndLoc) { |
21012 | SmallVector<Expr *, 8> Vars; |
21013 | for (Expr *RefExpr : VarList) { |
21014 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast<void> (0)); |
21015 | SourceLocation ELoc; |
21016 | SourceRange ERange; |
21017 | Expr *SimpleRefExpr = RefExpr; |
21018 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); |
21019 | if (Res.second) |
21020 | // It will be analyzed later. |
21021 | Vars.push_back(RefExpr); |
21022 | ValueDecl *D = Res.first; |
21023 | if (!D) |
21024 | continue; |
21025 | |
21026 | // OpenMP 5.0, 2.9.3.1 simd Construct, Restrictions. |
21027 | // A list-item cannot appear in more than one nontemporal clause. |
21028 | if (const Expr *PrevRef = |
21029 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueNontemporal(D, SimpleRefExpr)) { |
21030 | Diag(ELoc, diag::err_omp_used_in_clause_twice) |
21031 | << 0 << getOpenMPClauseName(OMPC_nontemporal) << ERange; |
21032 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) |
21033 | << getOpenMPClauseName(OMPC_nontemporal); |
21034 | continue; |
21035 | } |
21036 | |
21037 | Vars.push_back(RefExpr); |
21038 | } |
21039 | |
21040 | if (Vars.empty()) |
21041 | return nullptr; |
21042 | |
21043 | return OMPNontemporalClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
21044 | Vars); |
21045 | } |
21046 | |
21047 | OMPClause *Sema::ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList, |
21048 | SourceLocation StartLoc, |
21049 | SourceLocation LParenLoc, |
21050 | SourceLocation EndLoc) { |
21051 | SmallVector<Expr *, 8> Vars; |
21052 | for (Expr *RefExpr : VarList) { |
21053 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast<void> (0)); |
21054 | SourceLocation ELoc; |
21055 | SourceRange ERange; |
21056 | Expr *SimpleRefExpr = RefExpr; |
21057 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
21058 | /*AllowArraySection=*/true); |
21059 | if (Res.second) |
21060 | // It will be analyzed later. |
21061 | Vars.push_back(RefExpr); |
21062 | ValueDecl *D = Res.first; |
21063 | if (!D) |
21064 | continue; |
21065 | |
21066 | const DSAStackTy::DSAVarData DVar = |
21067 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); |
21068 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. |
21069 | // A list item that appears in the inclusive or exclusive clause must appear |
21070 | // in a reduction clause with the inscan modifier on the enclosing |
21071 | // worksharing-loop, worksharing-loop SIMD, or simd construct. |
21072 | if (DVar.CKind != OMPC_reduction || |
21073 | DVar.Modifier != OMPC_REDUCTION_inscan) |
21074 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) |
21075 | << RefExpr->getSourceRange(); |
21076 | |
21077 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown) |
21078 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); |
21079 | Vars.push_back(RefExpr); |
21080 | } |
21081 | |
21082 | if (Vars.empty()) |
21083 | return nullptr; |
21084 | |
21085 | return OMPInclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
21086 | } |
21087 | |
21088 | OMPClause *Sema::ActOnOpenMPExclusiveClause(ArrayRef<Expr *> VarList, |
21089 | SourceLocation StartLoc, |
21090 | SourceLocation LParenLoc, |
21091 | SourceLocation EndLoc) { |
21092 | SmallVector<Expr *, 8> Vars; |
21093 | for (Expr *RefExpr : VarList) { |
21094 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")(static_cast<void> (0)); |
21095 | SourceLocation ELoc; |
21096 | SourceRange ERange; |
21097 | Expr *SimpleRefExpr = RefExpr; |
21098 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, |
21099 | /*AllowArraySection=*/true); |
21100 | if (Res.second) |
21101 | // It will be analyzed later. |
21102 | Vars.push_back(RefExpr); |
21103 | ValueDecl *D = Res.first; |
21104 | if (!D) |
21105 | continue; |
21106 | |
21107 | OpenMPDirectiveKind ParentDirective = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective(); |
21108 | DSAStackTy::DSAVarData DVar; |
21109 | if (ParentDirective != OMPD_unknown) |
21110 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); |
21111 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. |
21112 | // A list item that appears in the inclusive or exclusive clause must appear |
21113 | // in a reduction clause with the inscan modifier on the enclosing |
21114 | // worksharing-loop, worksharing-loop SIMD, or simd construct. |
21115 | if (ParentDirective == OMPD_unknown || DVar.CKind != OMPC_reduction || |
21116 | DVar.Modifier != OMPC_REDUCTION_inscan) { |
21117 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) |
21118 | << RefExpr->getSourceRange(); |
21119 | } else { |
21120 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); |
21121 | } |
21122 | Vars.push_back(RefExpr); |
21123 | } |
21124 | |
21125 | if (Vars.empty()) |
21126 | return nullptr; |
21127 | |
21128 | return OMPExclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); |
21129 | } |
21130 | |
21131 | /// Tries to find omp_alloctrait_t type. |
21132 | static bool findOMPAlloctraitT(Sema &S, SourceLocation Loc, DSAStackTy *Stack) { |
21133 | QualType OMPAlloctraitT = Stack->getOMPAlloctraitT(); |
21134 | if (!OMPAlloctraitT.isNull()) |
21135 | return true; |
21136 | IdentifierInfo &II = S.PP.getIdentifierTable().get("omp_alloctrait_t"); |
21137 | ParsedType PT = S.getTypeName(II, Loc, S.getCurScope()); |
21138 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { |
21139 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_alloctrait_t"; |
21140 | return false; |
21141 | } |
21142 | Stack->setOMPAlloctraitT(PT.get()); |
21143 | return true; |
21144 | } |
21145 | |
21146 | OMPClause *Sema::ActOnOpenMPUsesAllocatorClause( |
21147 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc, |
21148 | ArrayRef<UsesAllocatorsData> Data) { |
21149 | // OpenMP [2.12.5, target Construct] |
21150 | // allocator is an identifier of omp_allocator_handle_t type. |
21151 | if (!findOMPAllocatorHandleT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
21152 | return nullptr; |
21153 | // OpenMP [2.12.5, target Construct] |
21154 | // allocator-traits-array is an identifier of const omp_alloctrait_t * type. |
21155 | if (llvm::any_of( |
21156 | Data, |
21157 | [](const UsesAllocatorsData &D) { return D.AllocatorTraits; }) && |
21158 | !findOMPAlloctraitT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) |
21159 | return nullptr; |
21160 | llvm::SmallPtrSet<CanonicalDeclPtr<Decl>, 4> PredefinedAllocators; |
21161 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { |
21162 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); |
21163 | StringRef Allocator = |
21164 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); |
21165 | DeclarationName AllocatorName = &Context.Idents.get(Allocator); |
21166 | PredefinedAllocators.insert(LookupSingleName( |
21167 | TUScope, AllocatorName, StartLoc, Sema::LookupAnyName)); |
21168 | } |
21169 | |
21170 | SmallVector<OMPUsesAllocatorsClause::Data, 4> NewData; |
21171 | for (const UsesAllocatorsData &D : Data) { |
21172 | Expr *AllocatorExpr = nullptr; |
21173 | // Check allocator expression. |
21174 | if (D.Allocator->isTypeDependent()) { |
21175 | AllocatorExpr = D.Allocator; |
21176 | } else { |
21177 | // Traits were specified - need to assign new allocator to the specified |
21178 | // allocator, so it must be an lvalue. |
21179 | AllocatorExpr = D.Allocator->IgnoreParenImpCasts(); |
21180 | auto *DRE = dyn_cast<DeclRefExpr>(AllocatorExpr); |
21181 | bool IsPredefinedAllocator = false; |
21182 | if (DRE) |
21183 | IsPredefinedAllocator = PredefinedAllocators.count(DRE->getDecl()); |
21184 | if (!DRE || |
21185 | !(Context.hasSameUnqualifiedType( |
21186 | AllocatorExpr->getType(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT()) || |
21187 | Context.typesAreCompatible(AllocatorExpr->getType(), |
21188 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), |
21189 | /*CompareUnqualified=*/true)) || |
21190 | (!IsPredefinedAllocator && |
21191 | (AllocatorExpr->getType().isConstant(Context) || |
21192 | !AllocatorExpr->isLValue()))) { |
21193 | Diag(D.Allocator->getExprLoc(), diag::err_omp_var_expected) |
21194 | << "omp_allocator_handle_t" << (DRE ? 1 : 0) |
21195 | << AllocatorExpr->getType() << D.Allocator->getSourceRange(); |
21196 | continue; |
21197 | } |
21198 | // OpenMP [2.12.5, target Construct] |
21199 | // Predefined allocators appearing in a uses_allocators clause cannot have |
21200 | // traits specified. |
21201 | if (IsPredefinedAllocator && D.AllocatorTraits) { |
21202 | Diag(D.AllocatorTraits->getExprLoc(), |
21203 | diag::err_omp_predefined_allocator_with_traits) |
21204 | << D.AllocatorTraits->getSourceRange(); |
21205 | Diag(D.Allocator->getExprLoc(), diag::note_omp_predefined_allocator) |
21206 | << cast<NamedDecl>(DRE->getDecl())->getName() |
21207 | << D.Allocator->getSourceRange(); |
21208 | continue; |
21209 | } |
21210 | // OpenMP [2.12.5, target Construct] |
21211 | // Non-predefined allocators appearing in a uses_allocators clause must |
21212 | // have traits specified. |
21213 | if (!IsPredefinedAllocator && !D.AllocatorTraits) { |
21214 | Diag(D.Allocator->getExprLoc(), |
21215 | diag::err_omp_nonpredefined_allocator_without_traits); |
21216 | continue; |
21217 | } |
21218 | // No allocator traits - just convert it to rvalue. |
21219 | if (!D.AllocatorTraits) |
21220 | AllocatorExpr = DefaultLvalueConversion(AllocatorExpr).get(); |
21221 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( |
21222 | DRE->getDecl(), |
21223 | IsPredefinedAllocator |
21224 | ? DSAStackTy::UsesAllocatorsDeclKind::PredefinedAllocator |
21225 | : DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator); |
21226 | } |
21227 | Expr *AllocatorTraitsExpr = nullptr; |
21228 | if (D.AllocatorTraits) { |
21229 | if (D.AllocatorTraits->isTypeDependent()) { |
21230 | AllocatorTraitsExpr = D.AllocatorTraits; |
21231 | } else { |
21232 | // OpenMP [2.12.5, target Construct] |
21233 | // Arrays that contain allocator traits that appear in a uses_allocators |
21234 | // clause must be constant arrays, have constant values and be defined |
21235 | // in the same scope as the construct in which the clause appears. |
21236 | AllocatorTraitsExpr = D.AllocatorTraits->IgnoreParenImpCasts(); |
21237 | // Check that traits expr is a constant array. |
21238 | QualType TraitTy; |
21239 | if (const ArrayType *Ty = |
21240 | AllocatorTraitsExpr->getType()->getAsArrayTypeUnsafe()) |
21241 | if (const auto *ConstArrayTy = dyn_cast<ConstantArrayType>(Ty)) |
21242 | TraitTy = ConstArrayTy->getElementType(); |
21243 | if (TraitTy.isNull() || |
21244 | !(Context.hasSameUnqualifiedType(TraitTy, |
21245 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT()) || |
21246 | Context.typesAreCompatible(TraitTy, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT(), |
21247 | /*CompareUnqualified=*/true))) { |
21248 | Diag(D.AllocatorTraits->getExprLoc(), |
21249 | diag::err_omp_expected_array_alloctraits) |
21250 | << AllocatorTraitsExpr->getType(); |
21251 | continue; |
21252 | } |
21253 | // Do not map by default allocator traits if it is a standalone |
21254 | // variable. |
21255 | if (auto *DRE = dyn_cast<DeclRefExpr>(AllocatorTraitsExpr)) |
21256 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( |
21257 | DRE->getDecl(), |
21258 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait); |
21259 | } |
21260 | } |
21261 | OMPUsesAllocatorsClause::Data &NewD = NewData.emplace_back(); |
21262 | NewD.Allocator = AllocatorExpr; |
21263 | NewD.AllocatorTraits = AllocatorTraitsExpr; |
21264 | NewD.LParenLoc = D.LParenLoc; |
21265 | NewD.RParenLoc = D.RParenLoc; |
21266 | } |
21267 | return OMPUsesAllocatorsClause::Create(Context, StartLoc, LParenLoc, EndLoc, |
21268 | NewData); |
21269 | } |
21270 | |
21271 | OMPClause *Sema::ActOnOpenMPAffinityClause( |
21272 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, |
21273 | SourceLocation EndLoc, Expr *Modifier, ArrayRef<Expr *> Locators) { |
21274 | SmallVector<Expr *, 8> Vars; |
21275 | for (Expr *RefExpr : Locators) { |
21276 | assert(RefExpr && "NULL expr in OpenMP shared clause.")(static_cast<void> (0)); |
21277 | if (isa<DependentScopeDeclRefExpr>(RefExpr) || RefExpr->isTypeDependent()) { |
21278 | // It will be analyzed later. |
21279 | Vars.push_back(RefExpr); |
21280 | continue; |
21281 | } |
21282 | |
21283 | SourceLocation ELoc = RefExpr->getExprLoc(); |
21284 | Expr *SimpleExpr = RefExpr->IgnoreParenImpCasts(); |
21285 | |
21286 | if (!SimpleExpr->isLValue()) { |
21287 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
21288 | << 1 << 0 << RefExpr->getSourceRange(); |
21289 | continue; |
21290 | } |
21291 | |
21292 | ExprResult Res; |
21293 | { |
21294 | Sema::TentativeAnalysisScope Trap(*this); |
21295 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, SimpleExpr); |
21296 | } |
21297 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && |
21298 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { |
21299 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) |
21300 | << 1 << 0 << RefExpr->getSourceRange(); |
21301 | continue; |
21302 | } |
21303 | Vars.push_back(SimpleExpr); |
21304 | } |
21305 | |
21306 | return OMPAffinityClause::Create(Context, StartLoc, LParenLoc, ColonLoc, |
21307 | EndLoc, Modifier, Vars); |
21308 | } |