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-rw-r--r--clang/lib/AST/CMakeLists.txt1
-rw-r--r--clang/lib/AST/DeclCXX.cpp15
-rw-r--r--clang/lib/AST/ODRHash.cpp935
-rw-r--r--clang/lib/AST/StmtProfile.cpp229
4 files changed, 86 insertions, 1094 deletions
diff --git a/clang/lib/AST/CMakeLists.txt b/clang/lib/AST/CMakeLists.txt
index 2e98f524da8..e28bd2e16d1 100644
--- a/clang/lib/AST/CMakeLists.txt
+++ b/clang/lib/AST/CMakeLists.txt
@@ -40,7 +40,6 @@ add_clang_library(clangAST
MicrosoftMangle.cpp
NestedNameSpecifier.cpp
NSAPI.cpp
- ODRHash.cpp
OpenMPClause.cpp
ParentMap.cpp
RawCommentList.cpp
diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp
index 8fca00404c0..a9db65a5151 100644
--- a/clang/lib/AST/DeclCXX.cpp
+++ b/clang/lib/AST/DeclCXX.cpp
@@ -18,7 +18,6 @@
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
-#include "clang/AST/ODRHash.h"
#include "clang/AST/TypeLoc.h"
#include "clang/Basic/IdentifierTable.h"
#include "llvm/ADT/STLExtras.h"
@@ -72,8 +71,8 @@ CXXRecordDecl::DefinitionData::DefinitionData(CXXRecordDecl *D)
ImplicitCopyAssignmentHasConstParam(true),
HasDeclaredCopyConstructorWithConstParam(false),
HasDeclaredCopyAssignmentWithConstParam(false), IsLambda(false),
- IsParsingBaseSpecifiers(false), ODRHash(0), NumBases(0), NumVBases(0),
- Bases(), VBases(), Definition(D), FirstFriend() {}
+ IsParsingBaseSpecifiers(false), NumBases(0), NumVBases(0), Bases(),
+ VBases(), Definition(D), FirstFriend() {}
CXXBaseSpecifier *CXXRecordDecl::DefinitionData::getBasesSlowCase() const {
return Bases.get(Definition->getASTContext().getExternalSource());
@@ -372,16 +371,6 @@ CXXRecordDecl::setBases(CXXBaseSpecifier const * const *Bases,
data().IsParsingBaseSpecifiers = false;
}
-void CXXRecordDecl::computeODRHash() {
- if (!DefinitionData)
- return;
-
- ODRHash Hash;
- Hash.AddCXXRecordDecl(this);
-
- DefinitionData->ODRHash = Hash.CalculateHash();
-}
-
void CXXRecordDecl::addedClassSubobject(CXXRecordDecl *Subobj) {
// C++11 [class.copy]p11:
// A defaulted copy/move constructor for a class X is defined as
diff --git a/clang/lib/AST/ODRHash.cpp b/clang/lib/AST/ODRHash.cpp
deleted file mode 100644
index 7ad76df8a77..00000000000
--- a/clang/lib/AST/ODRHash.cpp
+++ /dev/null
@@ -1,935 +0,0 @@
-//===-- ODRHash.cpp - Hashing to diagnose ODR failures ----------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// This file implements the ODRHash class, which calculates a hash based
-/// on AST nodes, which is stable across different runs.
-///
-//===----------------------------------------------------------------------===//
-
-#include "clang/AST/ODRHash.h"
-
-#include "clang/AST/DeclVisitor.h"
-#include "clang/AST/NestedNameSpecifier.h"
-#include "clang/AST/StmtVisitor.h"
-#include "clang/AST/TypeVisitor.h"
-
-using namespace clang;
-
-
-// Hashing for Stmt is with Stmt::Profile, since they derive from the same base
-// class.
-void ODRHash::AddStmt(const Stmt *S) {
- assert(S && "Expecting non-null pointer.");
- S->ProcessODRHash(ID, *this);
-}
-
-void ODRHash::AddIdentifierInfo(const IdentifierInfo *II) {
- assert(II && "Expecting non-null pointer.");
- ID.AddString(II->getName());
-}
-
-void ODRHash::AddNestedNameSpecifier(const NestedNameSpecifier *NNS) {
- assert(NNS && "Expecting non-null pointer.");
- const auto *Prefix = NNS->getPrefix();
- AddBoolean(Prefix);
- if (Prefix)
- AddNestedNameSpecifier(Prefix);
-
- auto Kind = NNS->getKind();
- ID.AddInteger(Kind);
- switch (Kind) {
- case NestedNameSpecifier::Identifier:
- AddIdentifierInfo(NNS->getAsIdentifier());
- break;
- case NestedNameSpecifier::Namespace:
- AddDecl(NNS->getAsNamespace());
- break;
- case NestedNameSpecifier::NamespaceAlias:
- AddDecl(NNS->getAsNamespaceAlias());
- break;
- case NestedNameSpecifier::TypeSpec:
- case NestedNameSpecifier::TypeSpecWithTemplate:
- AddType(NNS->getAsType());
- break;
- case NestedNameSpecifier::Global:
- case NestedNameSpecifier::Super:
- break;
- }
-}
-
-void ODRHash::AddTemplateName(TemplateName Name) {
- const auto Kind = Name.getKind();
- ID.AddInteger(Kind);
- AddBoolean(Name.isDependent());
- AddBoolean(Name.isInstantiationDependent());
- switch (Kind) {
- case TemplateName::Template:
- AddDecl(Name.getAsTemplateDecl());
- break;
- case TemplateName::OverloadedTemplate: {
- const auto *Storage = Name.getAsOverloadedTemplate();
- ID.AddInteger(Storage->size());
- for (const auto *ND : *Storage) {
- AddDecl(ND);
- }
- break;
- }
- case TemplateName::QualifiedTemplate: {
- const auto *QTN = Name.getAsQualifiedTemplateName();
- AddNestedNameSpecifier(QTN->getQualifier());
- AddBoolean(QTN->hasTemplateKeyword());
- AddDecl(QTN->getDecl());
- break;
- }
- case TemplateName::DependentTemplate: {
- const auto *DTN = Name.getAsDependentTemplateName();
- AddBoolean(DTN->isIdentifier());
- if (DTN->isIdentifier()) {
- AddIdentifierInfo(DTN->getIdentifier());
- } else {
- ID.AddInteger(DTN->getOperator());
- }
- break;
- }
- case TemplateName::SubstTemplateTemplateParm: {
- const auto *Storage = Name.getAsSubstTemplateTemplateParm();
- AddDecl(Storage->getParameter());
- AddTemplateName(Storage->getReplacement());
- break;
- }
- case TemplateName::SubstTemplateTemplateParmPack: {
- const auto *Storage = Name.getAsSubstTemplateTemplateParmPack();
- AddDecl(Storage->getParameterPack());
- AddTemplateArgument(Storage->getArgumentPack());
- break;
- }
- }
-}
-
-void ODRHash::AddDeclarationName(DeclarationName Name) {
- AddBoolean(Name.isEmpty());
- if (Name.isEmpty())
- return;
-
- auto Kind = Name.getNameKind();
- ID.AddInteger(Kind);
- switch (Kind) {
- case DeclarationName::Identifier:
- AddIdentifierInfo(Name.getAsIdentifierInfo());
- break;
- case DeclarationName::ObjCZeroArgSelector:
- case DeclarationName::ObjCOneArgSelector:
- case DeclarationName::ObjCMultiArgSelector: {
- Selector S = Name.getObjCSelector();
- AddBoolean(S.isNull());
- AddBoolean(S.isKeywordSelector());
- AddBoolean(S.isUnarySelector());
- unsigned NumArgs = S.getNumArgs();
- for (unsigned i = 0; i < NumArgs; ++i) {
- AddIdentifierInfo(S.getIdentifierInfoForSlot(i));
- }
- break;
- }
- case DeclarationName::CXXConstructorName:
- case DeclarationName::CXXDestructorName:
- AddQualType(Name.getCXXNameType());
- break;
- case DeclarationName::CXXOperatorName:
- ID.AddInteger(Name.getCXXOverloadedOperator());
- break;
- case DeclarationName::CXXLiteralOperatorName:
- AddIdentifierInfo(Name.getCXXLiteralIdentifier());
- break;
- case DeclarationName::CXXConversionFunctionName:
- AddQualType(Name.getCXXNameType());
- break;
- case DeclarationName::CXXUsingDirective:
- break;
- case DeclarationName::CXXDeductionGuideName: {
- auto *Template = Name.getCXXDeductionGuideTemplate();
- AddBoolean(Template);
- if (Template) {
- AddDecl(Template);
- }
- }
- }
-}
-
-void ODRHash::AddTemplateArgument(TemplateArgument TA) {
- const auto Kind = TA.getKind();
- ID.AddInteger(Kind);
- switch (Kind) {
- case TemplateArgument::Null:
- llvm_unreachable("Require valid TemplateArgument");
- case TemplateArgument::Type:
- AddQualType(TA.getAsType());
- break;
- case TemplateArgument::Declaration:
- AddDecl(TA.getAsDecl());
- break;
- case TemplateArgument::NullPtr:
- AddQualType(TA.getNullPtrType());
- break;
- case TemplateArgument::Integral:
- TA.getAsIntegral().Profile(ID);
- AddQualType(TA.getIntegralType());
- break;
- case TemplateArgument::Template:
- case TemplateArgument::TemplateExpansion:
- AddTemplateName(TA.getAsTemplateOrTemplatePattern());
- break;
- case TemplateArgument::Expression:
- AddStmt(TA.getAsExpr());
- break;
- case TemplateArgument::Pack:
- ID.AddInteger(TA.pack_size());
- for (auto SubTA : TA.pack_elements())
- AddTemplateArgument(SubTA);
- break;
- }
-}
-
-void ODRHash::AddTemplateParameterList(const TemplateParameterList *TPL) {
- assert(TPL && "Expecting non-null pointer.");
- ID.AddInteger(TPL->size());
- for (auto *ND : TPL->asArray()) {
- AddSubDecl(ND);
- }
-}
-
-void ODRHash::clear() {
- DeclMap.clear();
- TypeMap.clear();
- Bools.clear();
- ID.clear();
-}
-
-unsigned ODRHash::CalculateHash() {
- // Append the bools to the end of the data segment backwards. This allows
- // for the bools data to be compressed 32 times smaller compared to using
- // ID.AddBoolean
- const unsigned unsigned_bits = sizeof(unsigned) * CHAR_BIT;
- const unsigned size = Bools.size();
- const unsigned remainder = size % unsigned_bits;
- const unsigned loops = size / unsigned_bits;
- auto I = Bools.rbegin();
- unsigned value = 0;
- for (unsigned i = 0; i < remainder; ++i) {
- value <<= 1;
- value |= *I;
- ++I;
- }
- ID.AddInteger(value);
-
- for (unsigned i = 0; i < loops; ++i) {
- value = 0;
- for (unsigned j = 0; j < unsigned_bits; ++j) {
- value <<= 1;
- value |= *I;
- ++I;
- }
- ID.AddInteger(value);
- }
-
- assert(I == Bools.rend());
- Bools.clear();
- return ID.ComputeHash();
-}
-
-// Process a Decl pointer. Add* methods call back into ODRHash while Visit*
-// methods process the relevant parts of the Decl.
-class ODRDeclVisitor : public ConstDeclVisitor<ODRDeclVisitor> {
- typedef ConstDeclVisitor<ODRDeclVisitor> Inherited;
- llvm::FoldingSetNodeID &ID;
- ODRHash &Hash;
-
-public:
- ODRDeclVisitor(llvm::FoldingSetNodeID &ID, ODRHash &Hash)
- : ID(ID), Hash(Hash) {}
-
- void AddDecl(const Decl *D) {
- Hash.AddBoolean(D);
- if (D) {
- Hash.AddDecl(D);
- }
- }
-
- void AddStmt(const Stmt *S) {
- Hash.AddBoolean(S);
- if (S) {
- Hash.AddStmt(S);
- }
- }
-
- void AddQualType(QualType T) {
- Hash.AddQualType(T);
- }
-
- void AddIdentifierInfo(const IdentifierInfo *II) {
- Hash.AddBoolean(II);
- if (II) {
- Hash.AddIdentifierInfo(II);
- }
- }
-
- void AddTemplateParameterList(TemplateParameterList *TPL) {
- Hash.AddBoolean(TPL);
- if (TPL) {
- Hash.AddTemplateParameterList(TPL);
- }
- }
-
- void AddTemplateArgument(TemplateArgument TA) {
- Hash.AddTemplateArgument(TA);
- }
-
- void Visit(const Decl *D) {
- if (!D)
- return;
- if (D->isImplicit())
- return;
- if (D->isInvalidDecl())
- return;
- ID.AddInteger(D->getKind());
-
- Inherited::Visit(D);
- }
-
- void VisitDecl(const Decl *D) {
- Inherited::VisitDecl(D);
- }
-
- void VisitLabelDecl(const LabelDecl *D) {
- Inherited::VisitLabelDecl(D);
- }
-
- void VisitEnumDecl(const EnumDecl *D) {
- const bool isFixed = D->isFixed();
- Hash.AddBoolean(isFixed);
- if (isFixed)
- AddQualType(D->getIntegerType());
- Hash.AddBoolean(D->isScoped());
- Hash.AddBoolean(D->isScopedUsingClassTag());
-
- // TODO: Enums should have their own ODR hash.
- for (auto *SubDecl : D->decls()) {
- Hash.AddSubDecl(SubDecl);
- }
-
- Inherited::VisitEnumDecl(D);
- }
-
- void VisitEnumConstantDecl(const EnumConstantDecl *D) {
- auto *E = D->getInitExpr();
- AddStmt(E);
-
- Inherited::VisitEnumConstantDecl(D);
- }
-
- void VisitNamedDecl(const NamedDecl *D) {
- AddIdentifierInfo(D->getIdentifier());
- Inherited::VisitNamedDecl(D);
- }
-
- void VisitValueDecl(const ValueDecl *D) {
- AddQualType(D->getType());
- Inherited::VisitValueDecl(D);
- }
-
- void VisitParmVarDecl(const ParmVarDecl *D) {
- AddStmt(D->getDefaultArg());
- Inherited::VisitParmVarDecl(D);
- }
-
- void VisitAccessSpecDecl(const AccessSpecDecl *D) {
- ID.AddInteger(D->getAccess());
- Inherited::VisitAccessSpecDecl(D);
- }
-
- void VisitFriendDecl(const FriendDecl *D) {
- TypeSourceInfo *TSI = D->getFriendType();
- Hash.AddBoolean(TSI);
- if (TSI)
- AddQualType(TSI->getType());
- else
- AddDecl(D->getFriendDecl());
-
- unsigned NumLists = D->getFriendTypeNumTemplateParameterLists();
- ID.AddInteger(NumLists);
- for (unsigned i = 0; i < NumLists; ++i)
- AddTemplateParameterList(D->getFriendTypeTemplateParameterList(i));
- Inherited::VisitFriendDecl(D);
- }
-
- void VisitStaticAssertDecl(const StaticAssertDecl *D) {
- AddStmt(D->getAssertExpr());
- AddStmt(D->getMessage());
-
- Inherited::VisitStaticAssertDecl(D);
- }
-
- void VisitTypedefNameDecl(const TypedefNameDecl *D) {
- AddQualType(D->getUnderlyingType());
-
- Inherited::VisitTypedefNameDecl(D);
- }
-
- void VisitFunctionDecl(const FunctionDecl *D) {
- // TODO: Functions should have their own ODR hashes.
- AddStmt(D->hasBody() ? D->getBody() : nullptr);
-
- ID.AddInteger(D->getStorageClass());
- Hash.AddBoolean(D->isInlineSpecified());
- Hash.AddBoolean(D->isVirtualAsWritten());
- Hash.AddBoolean(D->isPure());
- Hash.AddBoolean(D->isDeletedAsWritten());
- ID.AddInteger(D->getOverloadedOperator());
- Inherited::VisitFunctionDecl(D);
- }
-
- void VisitCXXMethodDecl(const CXXMethodDecl *D) {
- Hash.AddBoolean(D->isStatic());
- Hash.AddBoolean(D->isInstance());
- Hash.AddBoolean(D->isConst());
- Hash.AddBoolean(D->isVolatile());
- Inherited::VisitCXXMethodDecl(D);
- }
-
- void VisitCXXConstructorDecl(const CXXConstructorDecl *D) {
- Hash.AddBoolean(D->isExplicitSpecified());
- unsigned NumCtorInits = 0;
- llvm::SmallVector<CXXCtorInitializer *, 4> Initializers;
- ID.AddInteger(D->getNumCtorInitializers());
- for (auto Initializer : D->inits()) {
- if (Initializer->isWritten()) {
- ++NumCtorInits;
- Initializers.push_back(Initializer);
- }
- }
- for (auto Initializer : Initializers) {
- AddStmt(Initializer->getInit());
- }
-
- Inherited::VisitCXXConstructorDecl(D);
- }
-
- void VisitCXXConversionDecl(const CXXConversionDecl *D) {
- AddQualType(D->getConversionType());
- Hash.AddBoolean(D->isExplicitSpecified());
- Inherited::VisitCXXConversionDecl(D);
- }
-
- void VisitFieldDecl(const FieldDecl *D) {
- Hash.AddBoolean(D->isMutable());
-
- const bool isBitField = D->isBitField();
- Hash.AddBoolean(isBitField);
- if (isBitField)
- AddStmt(D->getBitWidth());
-
- AddStmt(D->getInClassInitializer());
-
- Inherited::VisitFieldDecl(D);
- }
-
- void VisitTemplateDecl(const TemplateDecl *D) {
- AddDecl(D->getTemplatedDecl());
-
- auto *Parameters = D->getTemplateParameters();
- ID.AddInteger(Parameters->size());
- for (auto *ND : *Parameters)
- AddDecl(ND);
-
- Inherited::VisitTemplateDecl(D);
- }
-
- void VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) {
- Inherited::VisitFunctionTemplateDecl(D);
- }
-
- void VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
- const bool hasDefaultArgument = D->hasDefaultArgument();
- Hash.AddBoolean(hasDefaultArgument);
- if (hasDefaultArgument)
- AddTemplateArgument(D->getDefaultArgument());
-
- Inherited::VisitTemplateTypeParmDecl(D);
- }
-
- void VisitNonTypeTemplateParmDecl(const NonTypeTemplateParmDecl *D) {
- AddStmt(D->hasDefaultArgument() ? D->getDefaultArgument() : nullptr);
-
- Inherited::VisitNonTypeTemplateParmDecl(D);
- }
-
- void VisitTemplateTemplateParmDecl(const TemplateTemplateParmDecl *D) {
- const bool hasDefaultArgument = D->hasDefaultArgument();
- Hash.AddBoolean(hasDefaultArgument);
- if (hasDefaultArgument)
- AddTemplateArgument(D->getDefaultArgument().getArgument());
-
- Inherited::VisitTemplateTemplateParmDecl(D);
- }
-
- void VisitCXXRecordDecl(const CXXRecordDecl *D) {
- const bool hasDefinition = D->hasDefinition();
- Hash.AddBoolean(hasDefinition);
- if (hasDefinition) {
- ID.AddInteger(D->getODRHash());
- }
- Inherited::VisitCXXRecordDecl(D);
- }
-};
-
-
-void ODRHash::AddSubDecl(const Decl *D) {
- assert(D && "Expecting non-null pointer.");
- AddDecl(D);
- ODRDeclVisitor(ID, *this).Visit(D);
-}
-
-void ODRHash::AddCXXRecordDecl(const CXXRecordDecl *Record) {
- assert(Record && Record->hasDefinition() &&
- "Expected non-null record to be a definition.");
- AddDecl(Record);
-
- // Filter out sub-Decls which will not be processed in order to get an
- // accurate count of Decl's.
- llvm::SmallVector<const Decl *, 16> Decls;
- for (const Decl *SubDecl : Record->decls()) {
- // Ignore implicit Decl's.
- if (SubDecl->isImplicit()) {
- continue;
- }
- // Ignore Decl's that are not in the context of the CXXRecordDecl.
- if (SubDecl->getDeclContext() != Record) {
- continue;
- }
- Decls.push_back(SubDecl);
- }
-
- ID.AddInteger(Decls.size());
- for (auto SubDecl : Decls) {
- AddSubDecl(SubDecl);
- }
-
- ID.AddInteger(Record->getNumBases());
- for (auto base : Record->bases()) {
- AddBoolean(base.isVirtual());
- AddQualType(base.getType());
- }
-
- const ClassTemplateDecl *TD = Record->getDescribedClassTemplate();
- AddBoolean(TD);
- if (TD) {
- AddTemplateParameterList(TD->getTemplateParameters());
- }
-}
-
-void ODRHash::AddDecl(const Decl *D) {
- assert(D && "Expecting non-null pointer.");
- auto Result = DeclMap.insert(std::make_pair(D, DeclMap.size()));
- ID.AddInteger(Result.first->second);
- // On first encounter of a Decl pointer, process it. Every time afterwards,
- // only the index value is needed.
- if (!Result.second) {
- return;
- }
-
- // Unlike the DeclVisitor, this adds a limited amount of information to
- // identify the Decl.
- ID.AddInteger(D->getKind());
-
- // Unlike other places where AddBoolean is used with possibly null pointers,
- // the nullness of the following pointers is already encoded with the
- // DeclKind value, so there is no ambiguity on what information is added.
- if (const auto *ND = dyn_cast<NamedDecl>(D)) {
- AddDeclarationName(ND->getDeclName());
- }
-
- if (const auto *Typedef = dyn_cast<TypedefNameDecl>(D)) {
- AddQualType(Typedef->getUnderlyingType());
- }
-
- if (const auto *Alias = dyn_cast<NamespaceAliasDecl>(D)) {
- AddDecl(Alias->getNamespace());
- }
-}
-
-// Process a Type pointer. Add* methods call back into ODRHash while Visit*
-// methods process the relevant parts of the Type.
-class ODRTypeVisitor : public TypeVisitor<ODRTypeVisitor> {
- typedef TypeVisitor<ODRTypeVisitor> Inherited;
- llvm::FoldingSetNodeID &ID;
- ODRHash &Hash;
-
-public:
- ODRTypeVisitor(llvm::FoldingSetNodeID &ID, ODRHash &Hash)
- : ID(ID), Hash(Hash) {}
-
- void AddType(const Type *T) {
- Hash.AddType(T);
- }
-
- void AddQualType(QualType T) {
- Hash.AddQualType(T);
- }
-
- void AddDecl(Decl *D) {
- Hash.AddBoolean(D);
- if (D) {
- Hash.AddDecl(D);
- }
- }
-
- void AddTemplateArgument(TemplateArgument TA) {
- Hash.AddTemplateArgument(TA);
- }
-
- void AddStmt(Stmt *S) {
- Hash.AddBoolean(S);
- if (S) {
- Hash.AddStmt(S);
- }
- }
-
- void AddNestedNameSpecifier(NestedNameSpecifier *NNS) {
- Hash.AddBoolean(NNS);
- if (NNS) {
- Hash.AddNestedNameSpecifier(NNS);
- }
- }
- void AddIdentiferInfo(const IdentifierInfo *II) {
- Hash.AddBoolean(II);
- if (II) {
- Hash.AddIdentifierInfo(II);
- }
- }
-
- void AddTemplateName(TemplateName TN) {
- Hash.AddTemplateName(TN);
- }
-
- void VisitQualifiers(Qualifiers Quals) {
- ID.AddInteger(Quals.getAsOpaqueValue());
- }
-
- void Visit(const Type *T) {
- ID.AddInteger(T->getTypeClass());
- Inherited::Visit(T);
- }
-
- void VisitType(const Type *T) {}
-
- void VisitAdjustedType(const AdjustedType *T) {
- AddQualType(T->getOriginalType());
- AddQualType(T->getAdjustedType());
- VisitType(T);
- }
-
- void VisitDecayedType(const DecayedType *T) {
- AddQualType(T->getDecayedType());
- AddQualType(T->getPointeeType());
- VisitAdjustedType(T);
- }
-
- void VisitArrayType(const ArrayType *T) {
- AddQualType(T->getElementType());
- ID.AddInteger(T->getSizeModifier());
- VisitQualifiers(T->getIndexTypeQualifiers());
- VisitType(T);
- }
- void VisitConstantArrayType(const ConstantArrayType *T) {
- T->getSize().Profile(ID);
- VisitArrayType(T);
- }
-
- void VisitDependentSizedArrayType(const DependentSizedArrayType *T) {
- AddStmt(T->getSizeExpr());
- VisitArrayType(T);
- }
-
- void VisitIncompleteArrayType(const IncompleteArrayType *T) {
- VisitArrayType(T);
- }
-
- void VisitVariableArrayType(const VariableArrayType *T) {
- AddStmt(T->getSizeExpr());
- VisitArrayType(T);
- }
-
- void VisitAtomicType(const AtomicType *T) {
- AddQualType(T->getValueType());
- VisitType(T);
- }
-
- void VisitAttributedType(const AttributedType *T) {
- ID.AddInteger(T->getAttrKind());
- AddQualType(T->getModifiedType());
- AddQualType(T->getEquivalentType());
- VisitType(T);
- }
-
- void VisitBlockPointerType(const BlockPointerType *T) {
- AddQualType(T->getPointeeType());
- VisitType(T);
- }
-
- void VisitBuiltinType(const BuiltinType *T) {
- ID.AddInteger(T->getKind());
- VisitType(T);
- }
-
- void VisitComplexType(const ComplexType *T) {
- AddQualType(T->getElementType());
- VisitType(T);
- }
-
- void VisitDecltypeType(const DecltypeType *T) {
- AddQualType(T->getUnderlyingType());
- AddStmt(T->getUnderlyingExpr());
- VisitType(T);
- }
-
- void VisitDependentSizedExtVectorType(const DependentSizedExtVectorType *T) {
- AddQualType(T->getElementType());
- AddStmt(T->getSizeExpr());
- VisitType(T);
- }
-
- void VisitFunctionType(const FunctionType *T) {
- AddQualType(T->getReturnType());
- T->getExtInfo().Profile(ID);
- Hash.AddBoolean(T->isConst());
- Hash.AddBoolean(T->isVolatile());
- Hash.AddBoolean(T->isRestrict());
- VisitType(T);
- }
-
- void VisitFunctionNoProtoType(const FunctionNoProtoType *T) {
- VisitFunctionType(T);
- }
-
- void VisitFunctionProtoType(const FunctionProtoType *T) {
- ID.AddInteger(T->getNumParams());
- for (auto ParamType : T->getParamTypes())
- AddQualType(ParamType);
-
- const auto &epi = T->getExtProtoInfo();
- ID.AddInteger(epi.Variadic);
- ID.AddInteger(epi.TypeQuals);
- ID.AddInteger(epi.RefQualifier);
- ID.AddInteger(epi.ExceptionSpec.Type);
-
- if (epi.ExceptionSpec.Type == EST_Dynamic) {
- for (QualType Ex : epi.ExceptionSpec.Exceptions)
- AddQualType(Ex);
- } else if (epi.ExceptionSpec.Type == EST_ComputedNoexcept &&
- epi.ExceptionSpec.NoexceptExpr) {
- AddStmt(epi.ExceptionSpec.NoexceptExpr);
- } else if (epi.ExceptionSpec.Type == EST_Uninstantiated ||
- epi.ExceptionSpec.Type == EST_Unevaluated) {
- AddDecl(epi.ExceptionSpec.SourceDecl->getCanonicalDecl());
- }
- if (epi.ExtParameterInfos) {
- for (unsigned i = 0; i != T->getNumParams(); ++i)
- ID.AddInteger(epi.ExtParameterInfos[i].getOpaqueValue());
- }
- epi.ExtInfo.Profile(ID);
- Hash.AddBoolean(epi.HasTrailingReturn);
-
- VisitFunctionType(T);
- }
-
- void VisitInjectedClassNameType(const InjectedClassNameType *T) {
- AddDecl(T->getDecl());
- VisitType(T);
- }
-
- void VisitMemberPointerType(const MemberPointerType *T) {
- AddQualType(T->getPointeeType());
- AddType(T->getClass());
- VisitType(T);
- }
-
- void VisitObjCObjectPointerType(const ObjCObjectPointerType *T) {
- AddQualType(T->getPointeeType());
- VisitType(T);
- }
-
- void VisitObjCObjectType(const ObjCObjectType *T) {
- QualType Base = T->getBaseType();
- Hash.AddBoolean(Base.getTypePtr() != T);
- if (Base.getTypePtr() != T)
- AddQualType(Base);
- auto TypeArgs = T->getTypeArgsAsWritten();
- ID.AddInteger(TypeArgs.size());
- for (auto TypeArg : TypeArgs)
- AddQualType(TypeArg);
- ID.AddInteger(T->getNumProtocols());
- for (auto proto : T->quals())
- AddDecl(proto);
- ID.AddInteger(T->isKindOfTypeAsWritten());
- VisitType(T);
- }
-
- void VisitObjCInterfaceType(const ObjCInterfaceType *T) {
- VisitObjCObjectType(T);
- }
-
- void VisitObjCObjectTypeImpl(const ObjCObjectTypeImpl *T) {
- VisitObjCObjectType(T);
- }
-
- void VisitPackExpansionType(const PackExpansionType *T) {
- AddQualType(T->getPattern());
- auto NumExpansions = T->getNumExpansions();
- Hash.AddBoolean(NumExpansions.hasValue());
- if (NumExpansions)
- ID.AddInteger(*NumExpansions);
- VisitType(T);
- };
-
- void VisitPointerType(const PointerType *T) {
- AddQualType(T->getPointeeType());
- VisitType(T);
- }
-
- void VisitReferenceType(const ReferenceType *T) {
- AddQualType(T->getPointeeTypeAsWritten());
- VisitType(T);
- }
-
- void VisitLValueReferenceType(const LValueReferenceType *T) {
- VisitReferenceType(T);
- }
-
- void VisitRValueReferenceType(const RValueReferenceType *T) {
- VisitReferenceType(T);
- }
-
- void VisitSubstTemplateTypeParmType(const SubstTemplateTypeParmType *T) {
- AddQualType(T->getReplacementType());
- AddType(T->getReplacedParameter());
- VisitType(T);
- }
-
- void
- VisitSubstTemplateTypeParmPackType(const SubstTemplateTypeParmPackType *T) {
- AddType(T->getReplacedParameter());
- AddTemplateArgument(T->getArgumentPack());
- VisitType(T);
- }
-
- void VisitTagType(const TagType *T) {
- AddDecl(T->getDecl());
- Hash.AddBoolean(T->isBeingDefined());
- VisitType(T);
- }
-
- void VisitEnumType(const EnumType *T) {
- AddDecl(T->getDecl());
- VisitTagType(T);
- }
-
- void VisitRecordType(const RecordType *T) {
- AddDecl(T->getDecl());
- VisitTagType(T);
- }
-
- void VisitTemplateSpecializationType(const TemplateSpecializationType *T) {
- AddTemplateName(T->getTemplateName());
- ID.AddInteger(T->getNumArgs());
- for (auto I = T->begin(), E = T->end(); I != E; ++I)
- AddTemplateArgument(*I);
- VisitType(T);
- }
-
- void VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
- ID.AddInteger(T->getDepth());
- ID.AddInteger(T->getIndex());
- Hash.AddBoolean(T->isParameterPack());
- AddDecl(T->getDecl());
- VisitType(T);
- }
-
- void VisitTypedefType(const TypedefType *T) {
- AddDecl(T->getDecl());
- VisitType(T);
- }
-
- void VisitTypeOfExprType(const TypeOfExprType *T) {
- AddStmt(T->getUnderlyingExpr());
- VisitType(T);
- }
-
- void VisitDependentTypeOfExprType(const DependentTypeOfExprType *T) {
- VisitTypeOfExprType(T);
- }
-
- void VisitTypeWithKeyword(const TypeWithKeyword *T) { VisitType(T); }
-
- void VisitElaboratedType(const ElaboratedType *T) {
- ID.AddInteger(T->getKeyword());
- AddNestedNameSpecifier(T->getQualifier());
- AddQualType(T->getNamedType());
- VisitTypeWithKeyword(T);
- }
-
- void VisitUnaryTransformType(const UnaryTransformType *T) {
- AddQualType(T->getBaseType());
- ID.AddInteger(T->getUTTKind());
- VisitType(T);
- }
-
- void VisitDependentUnaryTransformType(const DependentUnaryTransformType *T) {
- VisitUnaryTransformType(T);
- }
-
- void VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
- AddDecl(T->getDecl());
- VisitType(T);
- }
-
- void VisitVectorType(const VectorType *T) {
- AddQualType(T->getElementType());
- ID.AddInteger(T->getNumElements());
- ID.AddInteger(T->getVectorKind());
- VisitType(T);
- }
-
- void VisitExtVectorType(const ExtVectorType *T) { VisitVectorType(T); }
-};
-
-void ODRHash::AddType(const Type *T) {
- assert(T && "Expecting non-null pointer.");
- auto Result = TypeMap.insert(std::make_pair(T, TypeMap.size()));
- ID.AddInteger(Result.first->second);
- // On first encounter of a Type pointer, process it. Every time afterwards,
- // only the index value is needed.
- if (!Result.second) {
- return;
- }
-
- ODRTypeVisitor(ID, *this).Visit(T);
-}
-
-void ODRHash::AddQualType(QualType T) {
- AddBoolean(T.isNull());
- if (T.isNull())
- return;
- SplitQualType split = T.split();
- ID.AddInteger(split.Quals.getAsOpaqueValue());
- AddType(split.Ty);
-}
-
-void ODRHash::AddBoolean(bool Value) {
- Bools.push_back(Value);
-}
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 1ac2a5bf5e1..49e43de638a 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -19,22 +19,20 @@
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/ExprOpenMP.h"
-#include "clang/AST/ODRHash.h"
#include "clang/AST/StmtVisitor.h"
#include "llvm/ADT/FoldingSet.h"
using namespace clang;
namespace {
class StmtProfiler : public ConstStmtVisitor<StmtProfiler> {
- protected:
llvm::FoldingSetNodeID &ID;
+ const ASTContext &Context;
bool Canonical;
public:
- StmtProfiler(llvm::FoldingSetNodeID &ID, bool Canonical)
- : ID(ID), Canonical(Canonical) {}
-
- virtual ~StmtProfiler() {}
+ StmtProfiler(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
+ bool Canonical)
+ : ID(ID), Context(Context), Canonical(Canonical) { }
void VisitStmt(const Stmt *S);
@@ -43,25 +41,22 @@ namespace {
/// \brief Visit a declaration that is referenced within an expression
/// or statement.
- virtual void VisitDecl(const Decl *D) = 0;
+ void VisitDecl(const Decl *D);
/// \brief Visit a type that is referenced within an expression or
/// statement.
- virtual void VisitType(QualType T) = 0;
+ void VisitType(QualType T);
/// \brief Visit a name that occurs within an expression or statement.
- virtual void VisitName(DeclarationName Name) = 0;
-
- /// \brief Visit identifiers that are not in Decl's or Type's.
- virtual void VisitIdentifierInfo(IdentifierInfo *II) = 0;
+ void VisitName(DeclarationName Name);
/// \brief Visit a nested-name-specifier that occurs within an expression
/// or statement.
- virtual void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) = 0;
+ void VisitNestedNameSpecifier(NestedNameSpecifier *NNS);
/// \brief Visit a template name that occurs within an expression or
/// statement.
- virtual void VisitTemplateName(TemplateName Name) = 0;
+ void VisitTemplateName(TemplateName Name);
/// \brief Visit template arguments that occur within an expression or
/// statement.
@@ -71,127 +66,6 @@ namespace {
/// \brief Visit a single template argument.
void VisitTemplateArgument(const TemplateArgument &Arg);
};
-
- class StmtProfilerWithPointers : public StmtProfiler {
- const ASTContext &Context;
-
- public:
- StmtProfilerWithPointers(llvm::FoldingSetNodeID &ID,
- const ASTContext &Context, bool Canonical)
- : StmtProfiler(ID, Canonical), Context(Context) {}
- private:
- void VisitDecl(const Decl *D) override {
- ID.AddInteger(D ? D->getKind() : 0);
-
- if (Canonical && D) {
- if (const NonTypeTemplateParmDecl *NTTP =
- dyn_cast<NonTypeTemplateParmDecl>(D)) {
- ID.AddInteger(NTTP->getDepth());
- ID.AddInteger(NTTP->getIndex());
- ID.AddBoolean(NTTP->isParameterPack());
- VisitType(NTTP->getType());
- return;
- }
-
- if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
- // The Itanium C++ ABI uses the type, scope depth, and scope
- // index of a parameter when mangling expressions that involve
- // function parameters, so we will use the parameter's type for
- // establishing function parameter identity. That way, our
- // definition of "equivalent" (per C++ [temp.over.link]) is at
- // least as strong as the definition of "equivalent" used for
- // name mangling.
- VisitType(Parm->getType());
- ID.AddInteger(Parm->getFunctionScopeDepth());
- ID.AddInteger(Parm->getFunctionScopeIndex());
- return;
- }
-
- if (const TemplateTypeParmDecl *TTP =
- dyn_cast<TemplateTypeParmDecl>(D)) {
- ID.AddInteger(TTP->getDepth());
- ID.AddInteger(TTP->getIndex());
- ID.AddBoolean(TTP->isParameterPack());
- return;
- }
-
- if (const TemplateTemplateParmDecl *TTP =
- dyn_cast<TemplateTemplateParmDecl>(D)) {
- ID.AddInteger(TTP->getDepth());
- ID.AddInteger(TTP->getIndex());
- ID.AddBoolean(TTP->isParameterPack());
- return;
- }
- }
-
- ID.AddPointer(D ? D->getCanonicalDecl() : nullptr);
- }
-
- void VisitType(QualType T) override {
- if (Canonical)
- T = Context.getCanonicalType(T);
-
- ID.AddPointer(T.getAsOpaquePtr());
- }
-
- void VisitName(DeclarationName Name) override {
- ID.AddPointer(Name.getAsOpaquePtr());
- }
-
- void VisitIdentifierInfo(IdentifierInfo *II) override {
- ID.AddPointer(II);
- }
-
- void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) override {
- if (Canonical)
- NNS = Context.getCanonicalNestedNameSpecifier(NNS);
- ID.AddPointer(NNS);
- }
-
- void VisitTemplateName(TemplateName Name) override {
- if (Canonical)
- Name = Context.getCanonicalTemplateName(Name);
-
- Name.Profile(ID);
- }
- };
-
- class StmtProfilerWithoutPointers : public StmtProfiler {
- ODRHash &Hash;
- public:
- StmtProfilerWithoutPointers(llvm::FoldingSetNodeID &ID, ODRHash &Hash)
- : StmtProfiler(ID, false), Hash(Hash) {}
-
- private:
- void VisitType(QualType T) override {
- Hash.AddQualType(T);
- }
-
- void VisitName(DeclarationName Name) override {
- Hash.AddDeclarationName(Name);
- }
- void VisitIdentifierInfo(IdentifierInfo *II) override {
- ID.AddBoolean(II);
- if (II) {
- Hash.AddIdentifierInfo(II);
- }
- }
- void VisitDecl(const Decl *D) override {
- ID.AddBoolean(D);
- if (D) {
- Hash.AddDecl(D);
- }
- }
- void VisitTemplateName(TemplateName Name) override {
- Hash.AddTemplateName(Name);
- }
- void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) override {
- ID.AddBoolean(NNS);
- if (NNS) {
- Hash.AddNestedNameSpecifier(NNS);
- }
- }
- };
}
void StmtProfiler::VisitStmt(const Stmt *S) {
@@ -979,7 +853,7 @@ void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
break;
case OffsetOfNode::Identifier:
- VisitIdentifierInfo(ON.getFieldName());
+ ID.AddPointer(ON.getFieldName());
break;
case OffsetOfNode::Base:
@@ -987,7 +861,7 @@ void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
break;
}
}
-
+
VisitExpr(S);
}
@@ -1577,7 +1451,7 @@ StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) {
if (S->getDestroyedTypeInfo())
VisitType(S->getDestroyedType());
else
- VisitIdentifierInfo(S->getDestroyedTypeIdentifier());
+ ID.AddPointer(S->getDestroyedTypeIdentifier());
}
void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) {
@@ -1827,6 +1701,77 @@ void StmtProfiler::VisitObjCAvailabilityCheckExpr(
VisitExpr(S);
}
+void StmtProfiler::VisitDecl(const Decl *D) {
+ ID.AddInteger(D? D->getKind() : 0);
+
+ if (Canonical && D) {
+ if (const NonTypeTemplateParmDecl *NTTP =
+ dyn_cast<NonTypeTemplateParmDecl>(D)) {
+ ID.AddInteger(NTTP->getDepth());
+ ID.AddInteger(NTTP->getIndex());
+ ID.AddBoolean(NTTP->isParameterPack());
+ VisitType(NTTP->getType());
+ return;
+ }
+
+ if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
+ // The Itanium C++ ABI uses the type, scope depth, and scope
+ // index of a parameter when mangling expressions that involve
+ // function parameters, so we will use the parameter's type for
+ // establishing function parameter identity. That way, our
+ // definition of "equivalent" (per C++ [temp.over.link]) is at
+ // least as strong as the definition of "equivalent" used for
+ // name mangling.
+ VisitType(Parm->getType());
+ ID.AddInteger(Parm->getFunctionScopeDepth());
+ ID.AddInteger(Parm->getFunctionScopeIndex());
+ return;
+ }
+
+ if (const TemplateTypeParmDecl *TTP =
+ dyn_cast<TemplateTypeParmDecl>(D)) {
+ ID.AddInteger(TTP->getDepth());
+ ID.AddInteger(TTP->getIndex());
+ ID.AddBoolean(TTP->isParameterPack());
+ return;
+ }
+
+ if (const TemplateTemplateParmDecl *TTP =
+ dyn_cast<TemplateTemplateParmDecl>(D)) {
+ ID.AddInteger(TTP->getDepth());
+ ID.AddInteger(TTP->getIndex());
+ ID.AddBoolean(TTP->isParameterPack());
+ return;
+ }
+ }
+
+ ID.AddPointer(D? D->getCanonicalDecl() : nullptr);
+}
+
+void StmtProfiler::VisitType(QualType T) {
+ if (Canonical)
+ T = Context.getCanonicalType(T);
+
+ ID.AddPointer(T.getAsOpaquePtr());
+}
+
+void StmtProfiler::VisitName(DeclarationName Name) {
+ ID.AddPointer(Name.getAsOpaquePtr());
+}
+
+void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) {
+ if (Canonical)
+ NNS = Context.getCanonicalNestedNameSpecifier(NNS);
+ ID.AddPointer(NNS);
+}
+
+void StmtProfiler::VisitTemplateName(TemplateName Name) {
+ if (Canonical)
+ Name = Context.getCanonicalTemplateName(Name);
+
+ Name.Profile(ID);
+}
+
void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args,
unsigned NumArgs) {
ID.AddInteger(NumArgs);
@@ -1876,12 +1821,6 @@ void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) {
void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
bool Canonical) const {
- StmtProfilerWithPointers Profiler(ID, Context, Canonical);
- Profiler.Visit(this);
-}
-
-void Stmt::ProcessODRHash(llvm::FoldingSetNodeID &ID,
- class ODRHash &Hash) const {
- StmtProfilerWithoutPointers Profiler(ID, Hash);
+ StmtProfiler Profiler(ID, Context, Canonical);
Profiler.Visit(this);
}
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