1 //===---- StmtProfile.cpp - Profile implementation for Stmt ASTs ----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the Stmt::Profile method, which builds a unique bit
11 // representation that identifies a statement/expression.
13 //===----------------------------------------------------------------------===//
14 #include "clang/AST/ASTContext.h"
15 #include "clang/AST/DeclCXX.h"
16 #include "clang/AST/DeclObjC.h"
17 #include "clang/AST/DeclTemplate.h"
18 #include "clang/AST/Expr.h"
19 #include "clang/AST/ExprCXX.h"
20 #include "clang/AST/ExprObjC.h"
21 #include "clang/AST/StmtVisitor.h"
22 #include "llvm/ADT/FoldingSet.h"
23 using namespace clang;
26 class StmtProfiler : public ConstStmtVisitor<StmtProfiler> {
27 llvm::FoldingSetNodeID &ID;
28 const ASTContext &Context;
32 StmtProfiler(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
34 : ID(ID), Context(Context), Canonical(Canonical) { }
36 void VisitStmt(const Stmt *S);
38 #define STMT(Node, Base) void Visit##Node(const Node *S);
39 #include "clang/AST/StmtNodes.inc"
41 /// \brief Visit a declaration that is referenced within an expression
43 void VisitDecl(const Decl *D);
45 /// \brief Visit a type that is referenced within an expression or
47 void VisitType(QualType T);
49 /// \brief Visit a name that occurs within an expression or statement.
50 void VisitName(DeclarationName Name);
52 /// \brief Visit a nested-name-specifier that occurs within an expression
54 void VisitNestedNameSpecifier(NestedNameSpecifier *NNS);
56 /// \brief Visit a template name that occurs within an expression or
58 void VisitTemplateName(TemplateName Name);
60 /// \brief Visit template arguments that occur within an expression or
62 void VisitTemplateArguments(const TemplateArgumentLoc *Args,
65 /// \brief Visit a single template argument.
66 void VisitTemplateArgument(const TemplateArgument &Arg);
70 void StmtProfiler::VisitStmt(const Stmt *S) {
71 ID.AddInteger(S->getStmtClass());
72 for (Stmt::const_child_range C = S->children(); C; ++C) {
80 void StmtProfiler::VisitDeclStmt(const DeclStmt *S) {
82 for (DeclStmt::const_decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
87 void StmtProfiler::VisitNullStmt(const NullStmt *S) {
91 void StmtProfiler::VisitCompoundStmt(const CompoundStmt *S) {
95 void StmtProfiler::VisitSwitchCase(const SwitchCase *S) {
99 void StmtProfiler::VisitCaseStmt(const CaseStmt *S) {
103 void StmtProfiler::VisitDefaultStmt(const DefaultStmt *S) {
107 void StmtProfiler::VisitLabelStmt(const LabelStmt *S) {
109 VisitDecl(S->getDecl());
112 void StmtProfiler::VisitAttributedStmt(const AttributedStmt *S) {
114 // TODO: maybe visit attributes?
117 void StmtProfiler::VisitIfStmt(const IfStmt *S) {
119 VisitDecl(S->getConditionVariable());
122 void StmtProfiler::VisitSwitchStmt(const SwitchStmt *S) {
124 VisitDecl(S->getConditionVariable());
127 void StmtProfiler::VisitWhileStmt(const WhileStmt *S) {
129 VisitDecl(S->getConditionVariable());
132 void StmtProfiler::VisitDoStmt(const DoStmt *S) {
136 void StmtProfiler::VisitForStmt(const ForStmt *S) {
140 void StmtProfiler::VisitGotoStmt(const GotoStmt *S) {
142 VisitDecl(S->getLabel());
145 void StmtProfiler::VisitIndirectGotoStmt(const IndirectGotoStmt *S) {
149 void StmtProfiler::VisitContinueStmt(const ContinueStmt *S) {
153 void StmtProfiler::VisitBreakStmt(const BreakStmt *S) {
157 void StmtProfiler::VisitReturnStmt(const ReturnStmt *S) {
161 void StmtProfiler::VisitAsmStmt(const AsmStmt *S) {
163 ID.AddBoolean(S->isVolatile());
164 ID.AddBoolean(S->isSimple());
165 VisitStringLiteral(S->getAsmString());
166 ID.AddInteger(S->getNumOutputs());
167 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
168 ID.AddString(S->getOutputName(I));
169 VisitStringLiteral(S->getOutputConstraintLiteral(I));
171 ID.AddInteger(S->getNumInputs());
172 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
173 ID.AddString(S->getInputName(I));
174 VisitStringLiteral(S->getInputConstraintLiteral(I));
176 ID.AddInteger(S->getNumClobbers());
177 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
178 VisitStringLiteral(S->getClobber(I));
181 void StmtProfiler::VisitCXXCatchStmt(const CXXCatchStmt *S) {
183 VisitType(S->getCaughtType());
186 void StmtProfiler::VisitCXXTryStmt(const CXXTryStmt *S) {
190 void StmtProfiler::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
194 void StmtProfiler::VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
196 ID.AddBoolean(S->isIfExists());
197 VisitNestedNameSpecifier(S->getQualifierLoc().getNestedNameSpecifier());
198 VisitName(S->getNameInfo().getName());
201 void StmtProfiler::VisitSEHTryStmt(const SEHTryStmt *S) {
205 void StmtProfiler::VisitSEHFinallyStmt(const SEHFinallyStmt *S) {
209 void StmtProfiler::VisitSEHExceptStmt(const SEHExceptStmt *S) {
213 void StmtProfiler::VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) {
217 void StmtProfiler::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *S) {
219 ID.AddBoolean(S->hasEllipsis());
220 if (S->getCatchParamDecl())
221 VisitType(S->getCatchParamDecl()->getType());
224 void StmtProfiler::VisitObjCAtFinallyStmt(const ObjCAtFinallyStmt *S) {
228 void StmtProfiler::VisitObjCAtTryStmt(const ObjCAtTryStmt *S) {
233 StmtProfiler::VisitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt *S) {
237 void StmtProfiler::VisitObjCAtThrowStmt(const ObjCAtThrowStmt *S) {
242 StmtProfiler::VisitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt *S) {
246 void StmtProfiler::VisitExpr(const Expr *S) {
250 void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) {
253 VisitNestedNameSpecifier(S->getQualifier());
254 VisitDecl(S->getDecl());
256 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
259 void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) {
261 ID.AddInteger(S->getIdentType());
264 void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) {
266 S->getValue().Profile(ID);
269 void StmtProfiler::VisitCharacterLiteral(const CharacterLiteral *S) {
271 ID.AddInteger(S->getKind());
272 ID.AddInteger(S->getValue());
275 void StmtProfiler::VisitFloatingLiteral(const FloatingLiteral *S) {
277 S->getValue().Profile(ID);
278 ID.AddBoolean(S->isExact());
281 void StmtProfiler::VisitImaginaryLiteral(const ImaginaryLiteral *S) {
285 void StmtProfiler::VisitStringLiteral(const StringLiteral *S) {
287 ID.AddString(S->getBytes());
288 ID.AddInteger(S->getKind());
291 void StmtProfiler::VisitParenExpr(const ParenExpr *S) {
295 void StmtProfiler::VisitParenListExpr(const ParenListExpr *S) {
299 void StmtProfiler::VisitUnaryOperator(const UnaryOperator *S) {
301 ID.AddInteger(S->getOpcode());
304 void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
305 VisitType(S->getTypeSourceInfo()->getType());
306 unsigned n = S->getNumComponents();
307 for (unsigned i = 0; i < n; ++i) {
308 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i);
309 ID.AddInteger(ON.getKind());
310 switch (ON.getKind()) {
311 case OffsetOfExpr::OffsetOfNode::Array:
312 // Expressions handled below.
315 case OffsetOfExpr::OffsetOfNode::Field:
316 VisitDecl(ON.getField());
319 case OffsetOfExpr::OffsetOfNode::Identifier:
320 ID.AddPointer(ON.getFieldName());
323 case OffsetOfExpr::OffsetOfNode::Base:
324 // These nodes are implicit, and therefore don't need profiling.
333 StmtProfiler::VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *S) {
335 ID.AddInteger(S->getKind());
336 if (S->isArgumentType())
337 VisitType(S->getArgumentType());
340 void StmtProfiler::VisitArraySubscriptExpr(const ArraySubscriptExpr *S) {
344 void StmtProfiler::VisitCallExpr(const CallExpr *S) {
348 void StmtProfiler::VisitMemberExpr(const MemberExpr *S) {
350 VisitDecl(S->getMemberDecl());
352 VisitNestedNameSpecifier(S->getQualifier());
353 ID.AddBoolean(S->isArrow());
356 void StmtProfiler::VisitCompoundLiteralExpr(const CompoundLiteralExpr *S) {
358 ID.AddBoolean(S->isFileScope());
361 void StmtProfiler::VisitCastExpr(const CastExpr *S) {
365 void StmtProfiler::VisitImplicitCastExpr(const ImplicitCastExpr *S) {
367 ID.AddInteger(S->getValueKind());
370 void StmtProfiler::VisitExplicitCastExpr(const ExplicitCastExpr *S) {
372 VisitType(S->getTypeAsWritten());
375 void StmtProfiler::VisitCStyleCastExpr(const CStyleCastExpr *S) {
376 VisitExplicitCastExpr(S);
379 void StmtProfiler::VisitBinaryOperator(const BinaryOperator *S) {
381 ID.AddInteger(S->getOpcode());
385 StmtProfiler::VisitCompoundAssignOperator(const CompoundAssignOperator *S) {
386 VisitBinaryOperator(S);
389 void StmtProfiler::VisitConditionalOperator(const ConditionalOperator *S) {
393 void StmtProfiler::VisitBinaryConditionalOperator(
394 const BinaryConditionalOperator *S) {
398 void StmtProfiler::VisitAddrLabelExpr(const AddrLabelExpr *S) {
400 VisitDecl(S->getLabel());
403 void StmtProfiler::VisitStmtExpr(const StmtExpr *S) {
407 void StmtProfiler::VisitShuffleVectorExpr(const ShuffleVectorExpr *S) {
411 void StmtProfiler::VisitChooseExpr(const ChooseExpr *S) {
415 void StmtProfiler::VisitGNUNullExpr(const GNUNullExpr *S) {
419 void StmtProfiler::VisitVAArgExpr(const VAArgExpr *S) {
423 void StmtProfiler::VisitInitListExpr(const InitListExpr *S) {
424 if (S->getSyntacticForm()) {
425 VisitInitListExpr(S->getSyntacticForm());
432 void StmtProfiler::VisitDesignatedInitExpr(const DesignatedInitExpr *S) {
434 ID.AddBoolean(S->usesGNUSyntax());
435 for (DesignatedInitExpr::const_designators_iterator D =
436 S->designators_begin(), DEnd = S->designators_end();
438 if (D->isFieldDesignator()) {
440 VisitName(D->getFieldName());
444 if (D->isArrayDesignator()) {
447 assert(D->isArrayRangeDesignator());
450 ID.AddInteger(D->getFirstExprIndex());
454 void StmtProfiler::VisitImplicitValueInitExpr(const ImplicitValueInitExpr *S) {
458 void StmtProfiler::VisitExtVectorElementExpr(const ExtVectorElementExpr *S) {
460 VisitName(&S->getAccessor());
463 void StmtProfiler::VisitBlockExpr(const BlockExpr *S) {
465 VisitDecl(S->getBlockDecl());
468 void StmtProfiler::VisitGenericSelectionExpr(const GenericSelectionExpr *S) {
470 for (unsigned i = 0; i != S->getNumAssocs(); ++i) {
471 QualType T = S->getAssocType(i);
476 VisitExpr(S->getAssocExpr(i));
480 void StmtProfiler::VisitPseudoObjectExpr(const PseudoObjectExpr *S) {
482 for (PseudoObjectExpr::const_semantics_iterator
483 i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i)
484 // Normally, we would not profile the source expressions of OVEs.
485 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(*i))
486 Visit(OVE->getSourceExpr());
489 void StmtProfiler::VisitAtomicExpr(const AtomicExpr *S) {
491 ID.AddInteger(S->getOp());
494 static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S,
495 UnaryOperatorKind &UnaryOp,
496 BinaryOperatorKind &BinaryOp) {
497 switch (S->getOperator()) {
502 case OO_Array_Delete:
506 case NUM_OVERLOADED_OPERATORS:
507 llvm_unreachable("Invalid operator call kind");
510 if (S->getNumArgs() == 1) {
512 return Stmt::UnaryOperatorClass;
516 return Stmt::BinaryOperatorClass;
519 if (S->getNumArgs() == 1) {
521 return Stmt::UnaryOperatorClass;
525 return Stmt::BinaryOperatorClass;
528 if (S->getNumArgs() == 1) {
530 return Stmt::UnaryOperatorClass;
534 return Stmt::BinaryOperatorClass;
538 return Stmt::BinaryOperatorClass;
542 return Stmt::BinaryOperatorClass;
546 return Stmt::BinaryOperatorClass;
549 if (S->getNumArgs() == 1) {
551 return Stmt::UnaryOperatorClass;
555 return Stmt::BinaryOperatorClass;
559 return Stmt::BinaryOperatorClass;
563 return Stmt::UnaryOperatorClass;
567 return Stmt::UnaryOperatorClass;
570 BinaryOp = BO_Assign;
571 return Stmt::BinaryOperatorClass;
575 return Stmt::BinaryOperatorClass;
579 return Stmt::BinaryOperatorClass;
582 BinaryOp = BO_AddAssign;
583 return Stmt::CompoundAssignOperatorClass;
586 BinaryOp = BO_SubAssign;
587 return Stmt::CompoundAssignOperatorClass;
590 BinaryOp = BO_MulAssign;
591 return Stmt::CompoundAssignOperatorClass;
594 BinaryOp = BO_DivAssign;
595 return Stmt::CompoundAssignOperatorClass;
597 case OO_PercentEqual:
598 BinaryOp = BO_RemAssign;
599 return Stmt::CompoundAssignOperatorClass;
602 BinaryOp = BO_XorAssign;
603 return Stmt::CompoundAssignOperatorClass;
606 BinaryOp = BO_AndAssign;
607 return Stmt::CompoundAssignOperatorClass;
610 BinaryOp = BO_OrAssign;
611 return Stmt::CompoundAssignOperatorClass;
615 return Stmt::BinaryOperatorClass;
617 case OO_GreaterGreater:
619 return Stmt::BinaryOperatorClass;
621 case OO_LessLessEqual:
622 BinaryOp = BO_ShlAssign;
623 return Stmt::CompoundAssignOperatorClass;
625 case OO_GreaterGreaterEqual:
626 BinaryOp = BO_ShrAssign;
627 return Stmt::CompoundAssignOperatorClass;
631 return Stmt::BinaryOperatorClass;
633 case OO_ExclaimEqual:
635 return Stmt::BinaryOperatorClass;
639 return Stmt::BinaryOperatorClass;
641 case OO_GreaterEqual:
643 return Stmt::BinaryOperatorClass;
647 return Stmt::BinaryOperatorClass;
651 return Stmt::BinaryOperatorClass;
654 UnaryOp = S->getNumArgs() == 1? UO_PreInc
656 return Stmt::UnaryOperatorClass;
659 UnaryOp = S->getNumArgs() == 1? UO_PreDec
661 return Stmt::UnaryOperatorClass;
665 return Stmt::BinaryOperatorClass;
669 BinaryOp = BO_PtrMemI;
670 return Stmt::BinaryOperatorClass;
673 return Stmt::ArraySubscriptExprClass;
676 llvm_unreachable("Invalid overloaded operator expression");
680 void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
681 if (S->isTypeDependent()) {
682 // Type-dependent operator calls are profiled like their underlying
683 // syntactic operator.
684 UnaryOperatorKind UnaryOp = UO_Extension;
685 BinaryOperatorKind BinaryOp = BO_Comma;
686 Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp);
689 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
691 if (SC == Stmt::UnaryOperatorClass)
692 ID.AddInteger(UnaryOp);
693 else if (SC == Stmt::BinaryOperatorClass ||
694 SC == Stmt::CompoundAssignOperatorClass)
695 ID.AddInteger(BinaryOp);
697 assert(SC == Stmt::ArraySubscriptExprClass);
703 ID.AddInteger(S->getOperator());
706 void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) {
710 void StmtProfiler::VisitCUDAKernelCallExpr(const CUDAKernelCallExpr *S) {
714 void StmtProfiler::VisitAsTypeExpr(const AsTypeExpr *S) {
718 void StmtProfiler::VisitCXXNamedCastExpr(const CXXNamedCastExpr *S) {
719 VisitExplicitCastExpr(S);
722 void StmtProfiler::VisitCXXStaticCastExpr(const CXXStaticCastExpr *S) {
723 VisitCXXNamedCastExpr(S);
726 void StmtProfiler::VisitCXXDynamicCastExpr(const CXXDynamicCastExpr *S) {
727 VisitCXXNamedCastExpr(S);
731 StmtProfiler::VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr *S) {
732 VisitCXXNamedCastExpr(S);
735 void StmtProfiler::VisitCXXConstCastExpr(const CXXConstCastExpr *S) {
736 VisitCXXNamedCastExpr(S);
739 void StmtProfiler::VisitUserDefinedLiteral(const UserDefinedLiteral *S) {
743 void StmtProfiler::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) {
745 ID.AddBoolean(S->getValue());
748 void StmtProfiler::VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr *S) {
752 void StmtProfiler::VisitCXXTypeidExpr(const CXXTypeidExpr *S) {
754 if (S->isTypeOperand())
755 VisitType(S->getTypeOperand());
758 void StmtProfiler::VisitCXXUuidofExpr(const CXXUuidofExpr *S) {
760 if (S->isTypeOperand())
761 VisitType(S->getTypeOperand());
764 void StmtProfiler::VisitCXXThisExpr(const CXXThisExpr *S) {
766 ID.AddBoolean(S->isImplicit());
769 void StmtProfiler::VisitCXXThrowExpr(const CXXThrowExpr *S) {
773 void StmtProfiler::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *S) {
775 VisitDecl(S->getParam());
778 void StmtProfiler::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) {
781 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
784 void StmtProfiler::VisitCXXConstructExpr(const CXXConstructExpr *S) {
786 VisitDecl(S->getConstructor());
787 ID.AddBoolean(S->isElidable());
790 void StmtProfiler::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) {
791 VisitExplicitCastExpr(S);
795 StmtProfiler::VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *S) {
796 VisitCXXConstructExpr(S);
800 StmtProfiler::VisitLambdaExpr(const LambdaExpr *S) {
802 for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
803 CEnd = S->explicit_capture_end();
805 ID.AddInteger(C->getCaptureKind());
806 if (C->capturesVariable()) {
807 VisitDecl(C->getCapturedVar());
808 ID.AddBoolean(C->isPackExpansion());
811 // Note: If we actually needed to be able to match lambda
812 // expressions, we would have to consider parameters and return type
813 // here, among other things.
814 VisitStmt(S->getBody());
818 StmtProfiler::VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *S) {
822 void StmtProfiler::VisitCXXDeleteExpr(const CXXDeleteExpr *S) {
824 ID.AddBoolean(S->isGlobalDelete());
825 ID.AddBoolean(S->isArrayForm());
826 VisitDecl(S->getOperatorDelete());
830 void StmtProfiler::VisitCXXNewExpr(const CXXNewExpr *S) {
832 VisitType(S->getAllocatedType());
833 VisitDecl(S->getOperatorNew());
834 VisitDecl(S->getOperatorDelete());
835 ID.AddBoolean(S->isArray());
836 ID.AddInteger(S->getNumPlacementArgs());
837 ID.AddBoolean(S->isGlobalNew());
838 ID.AddBoolean(S->isParenTypeId());
839 ID.AddInteger(S->getInitializationStyle());
843 StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) {
845 ID.AddBoolean(S->isArrow());
846 VisitNestedNameSpecifier(S->getQualifier());
847 VisitType(S->getDestroyedType());
850 void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) {
852 VisitNestedNameSpecifier(S->getQualifier());
853 VisitName(S->getName());
854 ID.AddBoolean(S->hasExplicitTemplateArgs());
855 if (S->hasExplicitTemplateArgs())
856 VisitTemplateArguments(S->getExplicitTemplateArgs().getTemplateArgs(),
857 S->getExplicitTemplateArgs().NumTemplateArgs);
861 StmtProfiler::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *S) {
862 VisitOverloadExpr(S);
865 void StmtProfiler::VisitUnaryTypeTraitExpr(const UnaryTypeTraitExpr *S) {
867 ID.AddInteger(S->getTrait());
868 VisitType(S->getQueriedType());
871 void StmtProfiler::VisitBinaryTypeTraitExpr(const BinaryTypeTraitExpr *S) {
873 ID.AddInteger(S->getTrait());
874 VisitType(S->getLhsType());
875 VisitType(S->getRhsType());
878 void StmtProfiler::VisitTypeTraitExpr(const TypeTraitExpr *S) {
880 ID.AddInteger(S->getTrait());
881 ID.AddInteger(S->getNumArgs());
882 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
883 VisitType(S->getArg(I)->getType());
886 void StmtProfiler::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *S) {
888 ID.AddInteger(S->getTrait());
889 VisitType(S->getQueriedType());
892 void StmtProfiler::VisitExpressionTraitExpr(const ExpressionTraitExpr *S) {
894 ID.AddInteger(S->getTrait());
895 VisitExpr(S->getQueriedExpression());
898 void StmtProfiler::VisitDependentScopeDeclRefExpr(
899 const DependentScopeDeclRefExpr *S) {
901 VisitName(S->getDeclName());
902 VisitNestedNameSpecifier(S->getQualifier());
903 ID.AddBoolean(S->hasExplicitTemplateArgs());
904 if (S->hasExplicitTemplateArgs())
905 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
908 void StmtProfiler::VisitExprWithCleanups(const ExprWithCleanups *S) {
912 void StmtProfiler::VisitCXXUnresolvedConstructExpr(
913 const CXXUnresolvedConstructExpr *S) {
915 VisitType(S->getTypeAsWritten());
918 void StmtProfiler::VisitCXXDependentScopeMemberExpr(
919 const CXXDependentScopeMemberExpr *S) {
920 ID.AddBoolean(S->isImplicitAccess());
921 if (!S->isImplicitAccess()) {
923 ID.AddBoolean(S->isArrow());
925 VisitNestedNameSpecifier(S->getQualifier());
926 VisitName(S->getMember());
927 ID.AddBoolean(S->hasExplicitTemplateArgs());
928 if (S->hasExplicitTemplateArgs())
929 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
932 void StmtProfiler::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *S) {
933 ID.AddBoolean(S->isImplicitAccess());
934 if (!S->isImplicitAccess()) {
936 ID.AddBoolean(S->isArrow());
938 VisitNestedNameSpecifier(S->getQualifier());
939 VisitName(S->getMemberName());
940 ID.AddBoolean(S->hasExplicitTemplateArgs());
941 if (S->hasExplicitTemplateArgs())
942 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
945 void StmtProfiler::VisitCXXNoexceptExpr(const CXXNoexceptExpr *S) {
949 void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) {
953 void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) {
955 VisitDecl(S->getPack());
958 void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr(
959 const SubstNonTypeTemplateParmPackExpr *S) {
961 VisitDecl(S->getParameterPack());
962 VisitTemplateArgument(S->getArgumentPack());
965 void StmtProfiler::VisitSubstNonTypeTemplateParmExpr(
966 const SubstNonTypeTemplateParmExpr *E) {
967 // Profile exactly as the replacement expression.
968 Visit(E->getReplacement());
971 void StmtProfiler::VisitMaterializeTemporaryExpr(
972 const MaterializeTemporaryExpr *S) {
976 void StmtProfiler::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
980 void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) {
984 void StmtProfiler::VisitObjCNumericLiteral(const ObjCNumericLiteral *E) {
988 void StmtProfiler::VisitObjCArrayLiteral(const ObjCArrayLiteral *E) {
992 void StmtProfiler::VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E) {
996 void StmtProfiler::VisitObjCEncodeExpr(const ObjCEncodeExpr *S) {
998 VisitType(S->getEncodedType());
1001 void StmtProfiler::VisitObjCSelectorExpr(const ObjCSelectorExpr *S) {
1003 VisitName(S->getSelector());
1006 void StmtProfiler::VisitObjCProtocolExpr(const ObjCProtocolExpr *S) {
1008 VisitDecl(S->getProtocol());
1011 void StmtProfiler::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *S) {
1013 VisitDecl(S->getDecl());
1014 ID.AddBoolean(S->isArrow());
1015 ID.AddBoolean(S->isFreeIvar());
1018 void StmtProfiler::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *S) {
1020 if (S->isImplicitProperty()) {
1021 VisitDecl(S->getImplicitPropertyGetter());
1022 VisitDecl(S->getImplicitPropertySetter());
1024 VisitDecl(S->getExplicitProperty());
1026 if (S->isSuperReceiver()) {
1027 ID.AddBoolean(S->isSuperReceiver());
1028 VisitType(S->getSuperReceiverType());
1032 void StmtProfiler::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *S) {
1034 VisitDecl(S->getAtIndexMethodDecl());
1035 VisitDecl(S->setAtIndexMethodDecl());
1038 void StmtProfiler::VisitObjCMessageExpr(const ObjCMessageExpr *S) {
1040 VisitName(S->getSelector());
1041 VisitDecl(S->getMethodDecl());
1044 void StmtProfiler::VisitObjCIsaExpr(const ObjCIsaExpr *S) {
1046 ID.AddBoolean(S->isArrow());
1049 void StmtProfiler::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *S) {
1051 ID.AddBoolean(S->getValue());
1054 void StmtProfiler::VisitObjCIndirectCopyRestoreExpr(
1055 const ObjCIndirectCopyRestoreExpr *S) {
1057 ID.AddBoolean(S->shouldCopy());
1060 void StmtProfiler::VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr *S) {
1061 VisitExplicitCastExpr(S);
1062 ID.AddBoolean(S->getBridgeKind());
1065 void StmtProfiler::VisitDecl(const Decl *D) {
1066 ID.AddInteger(D? D->getKind() : 0);
1068 if (Canonical && D) {
1069 if (const NonTypeTemplateParmDecl *NTTP =
1070 dyn_cast<NonTypeTemplateParmDecl>(D)) {
1071 ID.AddInteger(NTTP->getDepth());
1072 ID.AddInteger(NTTP->getIndex());
1073 ID.AddBoolean(NTTP->isParameterPack());
1074 VisitType(NTTP->getType());
1078 if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
1079 // The Itanium C++ ABI uses the type, scope depth, and scope
1080 // index of a parameter when mangling expressions that involve
1081 // function parameters, so we will use the parameter's type for
1082 // establishing function parameter identity. That way, our
1083 // definition of "equivalent" (per C++ [temp.over.link]) is at
1084 // least as strong as the definition of "equivalent" used for
1086 VisitType(Parm->getType());
1087 ID.AddInteger(Parm->getFunctionScopeDepth());
1088 ID.AddInteger(Parm->getFunctionScopeIndex());
1092 if (const TemplateTypeParmDecl *TTP =
1093 dyn_cast<TemplateTypeParmDecl>(D)) {
1094 ID.AddInteger(TTP->getDepth());
1095 ID.AddInteger(TTP->getIndex());
1096 ID.AddBoolean(TTP->isParameterPack());
1100 if (const TemplateTemplateParmDecl *TTP =
1101 dyn_cast<TemplateTemplateParmDecl>(D)) {
1102 ID.AddInteger(TTP->getDepth());
1103 ID.AddInteger(TTP->getIndex());
1104 ID.AddBoolean(TTP->isParameterPack());
1109 ID.AddPointer(D? D->getCanonicalDecl() : 0);
1112 void StmtProfiler::VisitType(QualType T) {
1114 T = Context.getCanonicalType(T);
1116 ID.AddPointer(T.getAsOpaquePtr());
1119 void StmtProfiler::VisitName(DeclarationName Name) {
1120 ID.AddPointer(Name.getAsOpaquePtr());
1123 void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) {
1125 NNS = Context.getCanonicalNestedNameSpecifier(NNS);
1129 void StmtProfiler::VisitTemplateName(TemplateName Name) {
1131 Name = Context.getCanonicalTemplateName(Name);
1136 void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args,
1138 ID.AddInteger(NumArgs);
1139 for (unsigned I = 0; I != NumArgs; ++I)
1140 VisitTemplateArgument(Args[I].getArgument());
1143 void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) {
1144 // Mostly repetitive with TemplateArgument::Profile!
1145 ID.AddInteger(Arg.getKind());
1146 switch (Arg.getKind()) {
1147 case TemplateArgument::Null:
1150 case TemplateArgument::Type:
1151 VisitType(Arg.getAsType());
1154 case TemplateArgument::Template:
1155 case TemplateArgument::TemplateExpansion:
1156 VisitTemplateName(Arg.getAsTemplateOrTemplatePattern());
1159 case TemplateArgument::Declaration:
1160 VisitDecl(Arg.getAsDecl());
1163 case TemplateArgument::Integral:
1164 Arg.getAsIntegral()->Profile(ID);
1165 VisitType(Arg.getIntegralType());
1168 case TemplateArgument::Expression:
1169 Visit(Arg.getAsExpr());
1172 case TemplateArgument::Pack:
1173 const TemplateArgument *Pack = Arg.pack_begin();
1174 for (unsigned i = 0, e = Arg.pack_size(); i != e; ++i)
1175 VisitTemplateArgument(Pack[i]);
1180 void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
1181 bool Canonical) const {
1182 StmtProfiler Profiler(ID, Context, Canonical);
1183 Profiler.Visit(this);