diff options
Diffstat (limited to 'contrib/llvm/lib/IR/LLVMContextImpl.h')
-rw-r--r-- | contrib/llvm/lib/IR/LLVMContextImpl.h | 799 |
1 files changed, 714 insertions, 85 deletions
diff --git a/contrib/llvm/lib/IR/LLVMContextImpl.h b/contrib/llvm/lib/IR/LLVMContextImpl.h index 6ebc567..f81db60 100644 --- a/contrib/llvm/lib/IR/LLVMContextImpl.h +++ b/contrib/llvm/lib/IR/LLVMContextImpl.h @@ -17,7 +17,6 @@ #include "AttributeImpl.h" #include "ConstantsContext.h" -#include "LeaksContext.h" #include "llvm/ADT/APFloat.h" #include "llvm/ADT/APInt.h" #include "llvm/ADT/ArrayRef.h" @@ -28,6 +27,7 @@ #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/StringMap.h" #include "llvm/IR/Constants.h" +#include "llvm/IR/DebugInfoMetadata.h" #include "llvm/IR/DerivedTypes.h" #include "llvm/IR/LLVMContext.h" #include "llvm/IR/Metadata.h" @@ -41,6 +41,7 @@ class ConstantFP; class DiagnosticInfoOptimizationRemark; class DiagnosticInfoOptimizationRemarkMissed; class DiagnosticInfoOptimizationRemarkAnalysis; +class GCStrategy; class LLVMContext; class Type; class Value; @@ -166,97 +167,731 @@ struct FunctionTypeKeyInfo { } }; +/// \brief Structure for hashing arbitrary MDNode operands. +class MDNodeOpsKey { + ArrayRef<Metadata *> RawOps; + ArrayRef<MDOperand> Ops; + + unsigned Hash; + +protected: + MDNodeOpsKey(ArrayRef<Metadata *> Ops) + : RawOps(Ops), Hash(calculateHash(Ops)) {} + + template <class NodeTy> + MDNodeOpsKey(const NodeTy *N, unsigned Offset = 0) + : Ops(N->op_begin() + Offset, N->op_end()), Hash(N->getHash()) {} + + template <class NodeTy> + bool compareOps(const NodeTy *RHS, unsigned Offset = 0) const { + if (getHash() != RHS->getHash()) + return false; + + assert((RawOps.empty() || Ops.empty()) && "Two sets of operands?"); + return RawOps.empty() ? compareOps(Ops, RHS, Offset) + : compareOps(RawOps, RHS, Offset); + } + + static unsigned calculateHash(MDNode *N, unsigned Offset = 0); + +private: + template <class T> + static bool compareOps(ArrayRef<T> Ops, const MDNode *RHS, unsigned Offset) { + if (Ops.size() != RHS->getNumOperands() - Offset) + return false; + return std::equal(Ops.begin(), Ops.end(), RHS->op_begin() + Offset); + } + + static unsigned calculateHash(ArrayRef<Metadata *> Ops); + +public: + unsigned getHash() const { return Hash; } +}; + +template <class NodeTy> struct MDNodeKeyImpl; +template <class NodeTy> struct MDNodeInfo; + /// \brief DenseMapInfo for MDTuple. /// /// Note that we don't need the is-function-local bit, since that's implicit in /// the operands. -struct MDTupleInfo { - struct KeyTy { - ArrayRef<Metadata *> RawOps; - ArrayRef<MDOperand> Ops; - unsigned Hash; +template <> struct MDNodeKeyImpl<MDTuple> : MDNodeOpsKey { + MDNodeKeyImpl(ArrayRef<Metadata *> Ops) : MDNodeOpsKey(Ops) {} + MDNodeKeyImpl(const MDTuple *N) : MDNodeOpsKey(N) {} - KeyTy(ArrayRef<Metadata *> Ops) - : RawOps(Ops), Hash(hash_combine_range(Ops.begin(), Ops.end())) {} + bool isKeyOf(const MDTuple *RHS) const { return compareOps(RHS); } - KeyTy(MDTuple *N) - : Ops(N->op_begin(), N->op_end()), Hash(N->getHash()) {} + unsigned getHashValue() const { return getHash(); } - bool operator==(const MDTuple *RHS) const { - if (RHS == getEmptyKey() || RHS == getTombstoneKey()) - return false; - if (Hash != RHS->getHash()) - return false; - assert((RawOps.empty() || Ops.empty()) && "Two sets of operands?"); - return RawOps.empty() ? compareOps(Ops, RHS) : compareOps(RawOps, RHS); - } - template <class T> - static bool compareOps(ArrayRef<T> Ops, const MDTuple *RHS) { - if (Ops.size() != RHS->getNumOperands()) - return false; - return std::equal(Ops.begin(), Ops.end(), RHS->op_begin()); - } - }; - static inline MDTuple *getEmptyKey() { - return DenseMapInfo<MDTuple *>::getEmptyKey(); + static unsigned calculateHash(MDTuple *N) { + return MDNodeOpsKey::calculateHash(N); } - static inline MDTuple *getTombstoneKey() { - return DenseMapInfo<MDTuple *>::getTombstoneKey(); +}; + +/// \brief DenseMapInfo for DILocation. +template <> struct MDNodeKeyImpl<DILocation> { + unsigned Line; + unsigned Column; + Metadata *Scope; + Metadata *InlinedAt; + + MDNodeKeyImpl(unsigned Line, unsigned Column, Metadata *Scope, + Metadata *InlinedAt) + : Line(Line), Column(Column), Scope(Scope), InlinedAt(InlinedAt) {} + + MDNodeKeyImpl(const DILocation *L) + : Line(L->getLine()), Column(L->getColumn()), Scope(L->getRawScope()), + InlinedAt(L->getRawInlinedAt()) {} + + bool isKeyOf(const DILocation *RHS) const { + return Line == RHS->getLine() && Column == RHS->getColumn() && + Scope == RHS->getRawScope() && InlinedAt == RHS->getRawInlinedAt(); } - static unsigned getHashValue(const KeyTy &Key) { return Key.Hash; } - static unsigned getHashValue(const MDTuple *U) { - return U->getHash(); + unsigned getHashValue() const { + return hash_combine(Line, Column, Scope, InlinedAt); } - static bool isEqual(const KeyTy &LHS, const MDTuple *RHS) { - return LHS == RHS; +}; + +/// \brief DenseMapInfo for GenericDINode. +template <> struct MDNodeKeyImpl<GenericDINode> : MDNodeOpsKey { + unsigned Tag; + StringRef Header; + MDNodeKeyImpl(unsigned Tag, StringRef Header, ArrayRef<Metadata *> DwarfOps) + : MDNodeOpsKey(DwarfOps), Tag(Tag), Header(Header) {} + MDNodeKeyImpl(const GenericDINode *N) + : MDNodeOpsKey(N, 1), Tag(N->getTag()), Header(N->getHeader()) {} + + bool isKeyOf(const GenericDINode *RHS) const { + return Tag == RHS->getTag() && Header == RHS->getHeader() && + compareOps(RHS, 1); } - static bool isEqual(const MDTuple *LHS, const MDTuple *RHS) { - return LHS == RHS; + + unsigned getHashValue() const { return hash_combine(getHash(), Tag, Header); } + + static unsigned calculateHash(GenericDINode *N) { + return MDNodeOpsKey::calculateHash(N, 1); } }; -/// \brief DenseMapInfo for MDLocation. -struct MDLocationInfo { - struct KeyTy { - unsigned Line; - unsigned Column; - Metadata *Scope; - Metadata *InlinedAt; +template <> struct MDNodeKeyImpl<DISubrange> { + int64_t Count; + int64_t LowerBound; - KeyTy(unsigned Line, unsigned Column, Metadata *Scope, Metadata *InlinedAt) - : Line(Line), Column(Column), Scope(Scope), InlinedAt(InlinedAt) {} + MDNodeKeyImpl(int64_t Count, int64_t LowerBound) + : Count(Count), LowerBound(LowerBound) {} + MDNodeKeyImpl(const DISubrange *N) + : Count(N->getCount()), LowerBound(N->getLowerBound()) {} - KeyTy(const MDLocation *L) - : Line(L->getLine()), Column(L->getColumn()), Scope(L->getScope()), - InlinedAt(L->getInlinedAt()) {} + bool isKeyOf(const DISubrange *RHS) const { + return Count == RHS->getCount() && LowerBound == RHS->getLowerBound(); + } + unsigned getHashValue() const { return hash_combine(Count, LowerBound); } +}; - bool operator==(const MDLocation *RHS) const { - if (RHS == getEmptyKey() || RHS == getTombstoneKey()) - return false; - return Line == RHS->getLine() && Column == RHS->getColumn() && - Scope == RHS->getScope() && InlinedAt == RHS->getInlinedAt(); - } - }; - static inline MDLocation *getEmptyKey() { - return DenseMapInfo<MDLocation *>::getEmptyKey(); +template <> struct MDNodeKeyImpl<DIEnumerator> { + int64_t Value; + StringRef Name; + + MDNodeKeyImpl(int64_t Value, StringRef Name) : Value(Value), Name(Name) {} + MDNodeKeyImpl(const DIEnumerator *N) + : Value(N->getValue()), Name(N->getName()) {} + + bool isKeyOf(const DIEnumerator *RHS) const { + return Value == RHS->getValue() && Name == RHS->getName(); } - static inline MDLocation *getTombstoneKey() { - return DenseMapInfo<MDLocation *>::getTombstoneKey(); + unsigned getHashValue() const { return hash_combine(Value, Name); } +}; + +template <> struct MDNodeKeyImpl<DIBasicType> { + unsigned Tag; + StringRef Name; + uint64_t SizeInBits; + uint64_t AlignInBits; + unsigned Encoding; + + MDNodeKeyImpl(unsigned Tag, StringRef Name, uint64_t SizeInBits, + uint64_t AlignInBits, unsigned Encoding) + : Tag(Tag), Name(Name), SizeInBits(SizeInBits), AlignInBits(AlignInBits), + Encoding(Encoding) {} + MDNodeKeyImpl(const DIBasicType *N) + : Tag(N->getTag()), Name(N->getName()), SizeInBits(N->getSizeInBits()), + AlignInBits(N->getAlignInBits()), Encoding(N->getEncoding()) {} + + bool isKeyOf(const DIBasicType *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + SizeInBits == RHS->getSizeInBits() && + AlignInBits == RHS->getAlignInBits() && + Encoding == RHS->getEncoding(); } - static unsigned getHashValue(const KeyTy &Key) { - return hash_combine(Key.Line, Key.Column, Key.Scope, Key.InlinedAt); + unsigned getHashValue() const { + return hash_combine(Tag, Name, SizeInBits, AlignInBits, Encoding); } - static unsigned getHashValue(const MDLocation *U) { - return getHashValue(KeyTy(U)); +}; + +template <> struct MDNodeKeyImpl<DIDerivedType> { + unsigned Tag; + StringRef Name; + Metadata *File; + unsigned Line; + Metadata *Scope; + Metadata *BaseType; + uint64_t SizeInBits; + uint64_t AlignInBits; + uint64_t OffsetInBits; + unsigned Flags; + Metadata *ExtraData; + + MDNodeKeyImpl(unsigned Tag, StringRef Name, Metadata *File, unsigned Line, + Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits, + uint64_t AlignInBits, uint64_t OffsetInBits, unsigned Flags, + Metadata *ExtraData) + : Tag(Tag), Name(Name), File(File), Line(Line), Scope(Scope), + BaseType(BaseType), SizeInBits(SizeInBits), AlignInBits(AlignInBits), + OffsetInBits(OffsetInBits), Flags(Flags), ExtraData(ExtraData) {} + MDNodeKeyImpl(const DIDerivedType *N) + : Tag(N->getTag()), Name(N->getName()), File(N->getRawFile()), + Line(N->getLine()), Scope(N->getRawScope()), + BaseType(N->getRawBaseType()), SizeInBits(N->getSizeInBits()), + AlignInBits(N->getAlignInBits()), OffsetInBits(N->getOffsetInBits()), + Flags(N->getFlags()), ExtraData(N->getRawExtraData()) {} + + bool isKeyOf(const DIDerivedType *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + File == RHS->getRawFile() && Line == RHS->getLine() && + Scope == RHS->getRawScope() && BaseType == RHS->getRawBaseType() && + SizeInBits == RHS->getSizeInBits() && + AlignInBits == RHS->getAlignInBits() && + OffsetInBits == RHS->getOffsetInBits() && Flags == RHS->getFlags() && + ExtraData == RHS->getRawExtraData(); } - static bool isEqual(const KeyTy &LHS, const MDLocation *RHS) { - return LHS == RHS; + unsigned getHashValue() const { + return hash_combine(Tag, Name, File, Line, Scope, BaseType, SizeInBits, + AlignInBits, OffsetInBits, Flags, ExtraData); } - static bool isEqual(const MDLocation *LHS, const MDLocation *RHS) { +}; + +template <> struct MDNodeKeyImpl<DICompositeType> { + unsigned Tag; + StringRef Name; + Metadata *File; + unsigned Line; + Metadata *Scope; + Metadata *BaseType; + uint64_t SizeInBits; + uint64_t AlignInBits; + uint64_t OffsetInBits; + unsigned Flags; + Metadata *Elements; + unsigned RuntimeLang; + Metadata *VTableHolder; + Metadata *TemplateParams; + StringRef Identifier; + + MDNodeKeyImpl(unsigned Tag, StringRef Name, Metadata *File, unsigned Line, + Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits, + uint64_t AlignInBits, uint64_t OffsetInBits, unsigned Flags, + Metadata *Elements, unsigned RuntimeLang, + Metadata *VTableHolder, Metadata *TemplateParams, + StringRef Identifier) + : Tag(Tag), Name(Name), File(File), Line(Line), Scope(Scope), + BaseType(BaseType), SizeInBits(SizeInBits), AlignInBits(AlignInBits), + OffsetInBits(OffsetInBits), Flags(Flags), Elements(Elements), + RuntimeLang(RuntimeLang), VTableHolder(VTableHolder), + TemplateParams(TemplateParams), Identifier(Identifier) {} + MDNodeKeyImpl(const DICompositeType *N) + : Tag(N->getTag()), Name(N->getName()), File(N->getRawFile()), + Line(N->getLine()), Scope(N->getRawScope()), + BaseType(N->getRawBaseType()), SizeInBits(N->getSizeInBits()), + AlignInBits(N->getAlignInBits()), OffsetInBits(N->getOffsetInBits()), + Flags(N->getFlags()), Elements(N->getRawElements()), + RuntimeLang(N->getRuntimeLang()), VTableHolder(N->getRawVTableHolder()), + TemplateParams(N->getRawTemplateParams()), + Identifier(N->getIdentifier()) {} + + bool isKeyOf(const DICompositeType *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + File == RHS->getRawFile() && Line == RHS->getLine() && + Scope == RHS->getRawScope() && BaseType == RHS->getRawBaseType() && + SizeInBits == RHS->getSizeInBits() && + AlignInBits == RHS->getAlignInBits() && + OffsetInBits == RHS->getOffsetInBits() && Flags == RHS->getFlags() && + Elements == RHS->getRawElements() && + RuntimeLang == RHS->getRuntimeLang() && + VTableHolder == RHS->getRawVTableHolder() && + TemplateParams == RHS->getRawTemplateParams() && + Identifier == RHS->getIdentifier(); + } + unsigned getHashValue() const { + return hash_combine(Tag, Name, File, Line, Scope, BaseType, SizeInBits, + AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang, + VTableHolder, TemplateParams, Identifier); + } +}; + +template <> struct MDNodeKeyImpl<DISubroutineType> { + unsigned Flags; + Metadata *TypeArray; + + MDNodeKeyImpl(int64_t Flags, Metadata *TypeArray) + : Flags(Flags), TypeArray(TypeArray) {} + MDNodeKeyImpl(const DISubroutineType *N) + : Flags(N->getFlags()), TypeArray(N->getRawTypeArray()) {} + + bool isKeyOf(const DISubroutineType *RHS) const { + return Flags == RHS->getFlags() && TypeArray == RHS->getRawTypeArray(); + } + unsigned getHashValue() const { return hash_combine(Flags, TypeArray); } +}; + +template <> struct MDNodeKeyImpl<DIFile> { + StringRef Filename; + StringRef Directory; + + MDNodeKeyImpl(StringRef Filename, StringRef Directory) + : Filename(Filename), Directory(Directory) {} + MDNodeKeyImpl(const DIFile *N) + : Filename(N->getFilename()), Directory(N->getDirectory()) {} + + bool isKeyOf(const DIFile *RHS) const { + return Filename == RHS->getFilename() && Directory == RHS->getDirectory(); + } + unsigned getHashValue() const { return hash_combine(Filename, Directory); } +}; + +template <> struct MDNodeKeyImpl<DICompileUnit> { + unsigned SourceLanguage; + Metadata *File; + StringRef Producer; + bool IsOptimized; + StringRef Flags; + unsigned RuntimeVersion; + StringRef SplitDebugFilename; + unsigned EmissionKind; + Metadata *EnumTypes; + Metadata *RetainedTypes; + Metadata *Subprograms; + Metadata *GlobalVariables; + Metadata *ImportedEntities; + uint64_t DWOId; + + MDNodeKeyImpl(unsigned SourceLanguage, Metadata *File, StringRef Producer, + bool IsOptimized, StringRef Flags, unsigned RuntimeVersion, + StringRef SplitDebugFilename, unsigned EmissionKind, + Metadata *EnumTypes, Metadata *RetainedTypes, + Metadata *Subprograms, Metadata *GlobalVariables, + Metadata *ImportedEntities, uint64_t DWOId) + : SourceLanguage(SourceLanguage), File(File), Producer(Producer), + IsOptimized(IsOptimized), Flags(Flags), RuntimeVersion(RuntimeVersion), + SplitDebugFilename(SplitDebugFilename), EmissionKind(EmissionKind), + EnumTypes(EnumTypes), RetainedTypes(RetainedTypes), + Subprograms(Subprograms), GlobalVariables(GlobalVariables), + ImportedEntities(ImportedEntities), DWOId(DWOId) {} + MDNodeKeyImpl(const DICompileUnit *N) + : SourceLanguage(N->getSourceLanguage()), File(N->getRawFile()), + Producer(N->getProducer()), IsOptimized(N->isOptimized()), + Flags(N->getFlags()), RuntimeVersion(N->getRuntimeVersion()), + SplitDebugFilename(N->getSplitDebugFilename()), + EmissionKind(N->getEmissionKind()), EnumTypes(N->getRawEnumTypes()), + RetainedTypes(N->getRawRetainedTypes()), + Subprograms(N->getRawSubprograms()), + GlobalVariables(N->getRawGlobalVariables()), + ImportedEntities(N->getRawImportedEntities()), DWOId(N->getDWOId()) {} + + bool isKeyOf(const DICompileUnit *RHS) const { + return SourceLanguage == RHS->getSourceLanguage() && + File == RHS->getRawFile() && Producer == RHS->getProducer() && + IsOptimized == RHS->isOptimized() && Flags == RHS->getFlags() && + RuntimeVersion == RHS->getRuntimeVersion() && + SplitDebugFilename == RHS->getSplitDebugFilename() && + EmissionKind == RHS->getEmissionKind() && + EnumTypes == RHS->getRawEnumTypes() && + RetainedTypes == RHS->getRawRetainedTypes() && + Subprograms == RHS->getRawSubprograms() && + GlobalVariables == RHS->getRawGlobalVariables() && + ImportedEntities == RHS->getRawImportedEntities() && + DWOId == RHS->getDWOId(); + } + unsigned getHashValue() const { + return hash_combine(SourceLanguage, File, Producer, IsOptimized, Flags, + RuntimeVersion, SplitDebugFilename, EmissionKind, + EnumTypes, RetainedTypes, Subprograms, GlobalVariables, + ImportedEntities, DWOId); + } +}; + +template <> struct MDNodeKeyImpl<DISubprogram> { + Metadata *Scope; + StringRef Name; + StringRef LinkageName; + Metadata *File; + unsigned Line; + Metadata *Type; + bool IsLocalToUnit; + bool IsDefinition; + unsigned ScopeLine; + Metadata *ContainingType; + unsigned Virtuality; + unsigned VirtualIndex; + unsigned Flags; + bool IsOptimized; + Metadata *Function; + Metadata *TemplateParams; + Metadata *Declaration; + Metadata *Variables; + + MDNodeKeyImpl(Metadata *Scope, StringRef Name, StringRef LinkageName, + Metadata *File, unsigned Line, Metadata *Type, + bool IsLocalToUnit, bool IsDefinition, unsigned ScopeLine, + Metadata *ContainingType, unsigned Virtuality, + unsigned VirtualIndex, unsigned Flags, bool IsOptimized, + Metadata *Function, Metadata *TemplateParams, + Metadata *Declaration, Metadata *Variables) + : Scope(Scope), Name(Name), LinkageName(LinkageName), File(File), + Line(Line), Type(Type), IsLocalToUnit(IsLocalToUnit), + IsDefinition(IsDefinition), ScopeLine(ScopeLine), + ContainingType(ContainingType), Virtuality(Virtuality), + VirtualIndex(VirtualIndex), Flags(Flags), IsOptimized(IsOptimized), + Function(Function), TemplateParams(TemplateParams), + Declaration(Declaration), Variables(Variables) {} + MDNodeKeyImpl(const DISubprogram *N) + : Scope(N->getRawScope()), Name(N->getName()), + LinkageName(N->getLinkageName()), File(N->getRawFile()), + Line(N->getLine()), Type(N->getRawType()), + IsLocalToUnit(N->isLocalToUnit()), IsDefinition(N->isDefinition()), + ScopeLine(N->getScopeLine()), ContainingType(N->getRawContainingType()), + Virtuality(N->getVirtuality()), VirtualIndex(N->getVirtualIndex()), + Flags(N->getFlags()), IsOptimized(N->isOptimized()), + Function(N->getRawFunction()), + TemplateParams(N->getRawTemplateParams()), + Declaration(N->getRawDeclaration()), Variables(N->getRawVariables()) {} + + bool isKeyOf(const DISubprogram *RHS) const { + return Scope == RHS->getRawScope() && Name == RHS->getName() && + LinkageName == RHS->getLinkageName() && File == RHS->getRawFile() && + Line == RHS->getLine() && Type == RHS->getRawType() && + IsLocalToUnit == RHS->isLocalToUnit() && + IsDefinition == RHS->isDefinition() && + ScopeLine == RHS->getScopeLine() && + ContainingType == RHS->getRawContainingType() && + Virtuality == RHS->getVirtuality() && + VirtualIndex == RHS->getVirtualIndex() && Flags == RHS->getFlags() && + IsOptimized == RHS->isOptimized() && + Function == RHS->getRawFunction() && + TemplateParams == RHS->getRawTemplateParams() && + Declaration == RHS->getRawDeclaration() && + Variables == RHS->getRawVariables(); + } + unsigned getHashValue() const { + return hash_combine(Scope, Name, LinkageName, File, Line, Type, + IsLocalToUnit, IsDefinition, ScopeLine, ContainingType, + Virtuality, VirtualIndex, Flags, IsOptimized, Function, + TemplateParams, Declaration, Variables); + } +}; + +template <> struct MDNodeKeyImpl<DILexicalBlock> { + Metadata *Scope; + Metadata *File; + unsigned Line; + unsigned Column; + + MDNodeKeyImpl(Metadata *Scope, Metadata *File, unsigned Line, unsigned Column) + : Scope(Scope), File(File), Line(Line), Column(Column) {} + MDNodeKeyImpl(const DILexicalBlock *N) + : Scope(N->getRawScope()), File(N->getRawFile()), Line(N->getLine()), + Column(N->getColumn()) {} + + bool isKeyOf(const DILexicalBlock *RHS) const { + return Scope == RHS->getRawScope() && File == RHS->getRawFile() && + Line == RHS->getLine() && Column == RHS->getColumn(); + } + unsigned getHashValue() const { + return hash_combine(Scope, File, Line, Column); + } +}; + +template <> struct MDNodeKeyImpl<DILexicalBlockFile> { + Metadata *Scope; + Metadata *File; + unsigned Discriminator; + + MDNodeKeyImpl(Metadata *Scope, Metadata *File, unsigned Discriminator) + : Scope(Scope), File(File), Discriminator(Discriminator) {} + MDNodeKeyImpl(const DILexicalBlockFile *N) + : Scope(N->getRawScope()), File(N->getRawFile()), + Discriminator(N->getDiscriminator()) {} + + bool isKeyOf(const DILexicalBlockFile *RHS) const { + return Scope == RHS->getRawScope() && File == RHS->getRawFile() && + Discriminator == RHS->getDiscriminator(); + } + unsigned getHashValue() const { + return hash_combine(Scope, File, Discriminator); + } +}; + +template <> struct MDNodeKeyImpl<DINamespace> { + Metadata *Scope; + Metadata *File; + StringRef Name; + unsigned Line; + + MDNodeKeyImpl(Metadata *Scope, Metadata *File, StringRef Name, unsigned Line) + : Scope(Scope), File(File), Name(Name), Line(Line) {} + MDNodeKeyImpl(const DINamespace *N) + : Scope(N->getRawScope()), File(N->getRawFile()), Name(N->getName()), + Line(N->getLine()) {} + + bool isKeyOf(const DINamespace *RHS) const { + return Scope == RHS->getRawScope() && File == RHS->getRawFile() && + Name == RHS->getName() && Line == RHS->getLine(); + } + unsigned getHashValue() const { + return hash_combine(Scope, File, Name, Line); + } +}; + +template <> struct MDNodeKeyImpl<DITemplateTypeParameter> { + StringRef Name; + Metadata *Type; + + MDNodeKeyImpl(StringRef Name, Metadata *Type) : Name(Name), Type(Type) {} + MDNodeKeyImpl(const DITemplateTypeParameter *N) + : Name(N->getName()), Type(N->getRawType()) {} + + bool isKeyOf(const DITemplateTypeParameter *RHS) const { + return Name == RHS->getName() && Type == RHS->getRawType(); + } + unsigned getHashValue() const { return hash_combine(Name, Type); } +}; + +template <> struct MDNodeKeyImpl<DITemplateValueParameter> { + unsigned Tag; + StringRef Name; + Metadata *Type; + Metadata *Value; + + MDNodeKeyImpl(unsigned Tag, StringRef Name, Metadata *Type, Metadata *Value) + : Tag(Tag), Name(Name), Type(Type), Value(Value) {} + MDNodeKeyImpl(const DITemplateValueParameter *N) + : Tag(N->getTag()), Name(N->getName()), Type(N->getRawType()), + Value(N->getValue()) {} + + bool isKeyOf(const DITemplateValueParameter *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + Type == RHS->getRawType() && Value == RHS->getValue(); + } + unsigned getHashValue() const { return hash_combine(Tag, Name, Type, Value); } +}; + +template <> struct MDNodeKeyImpl<DIGlobalVariable> { + Metadata *Scope; + StringRef Name; + StringRef LinkageName; + Metadata *File; + unsigned Line; + Metadata *Type; + bool IsLocalToUnit; + bool IsDefinition; + Metadata *Variable; + Metadata *StaticDataMemberDeclaration; + + MDNodeKeyImpl(Metadata *Scope, StringRef Name, StringRef LinkageName, + Metadata *File, unsigned Line, Metadata *Type, + bool IsLocalToUnit, bool IsDefinition, Metadata *Variable, + Metadata *StaticDataMemberDeclaration) + : Scope(Scope), Name(Name), LinkageName(LinkageName), File(File), + Line(Line), Type(Type), IsLocalToUnit(IsLocalToUnit), + IsDefinition(IsDefinition), Variable(Variable), + StaticDataMemberDeclaration(StaticDataMemberDeclaration) {} + MDNodeKeyImpl(const DIGlobalVariable *N) + : Scope(N->getRawScope()), Name(N->getName()), + LinkageName(N->getLinkageName()), File(N->getRawFile()), + Line(N->getLine()), Type(N->getRawType()), + IsLocalToUnit(N->isLocalToUnit()), IsDefinition(N->isDefinition()), + Variable(N->getRawVariable()), + StaticDataMemberDeclaration(N->getRawStaticDataMemberDeclaration()) {} + + bool isKeyOf(const DIGlobalVariable *RHS) const { + return Scope == RHS->getRawScope() && Name == RHS->getName() && + LinkageName == RHS->getLinkageName() && File == RHS->getRawFile() && + Line == RHS->getLine() && Type == RHS->getRawType() && + IsLocalToUnit == RHS->isLocalToUnit() && + IsDefinition == RHS->isDefinition() && + Variable == RHS->getRawVariable() && + StaticDataMemberDeclaration == + RHS->getRawStaticDataMemberDeclaration(); + } + unsigned getHashValue() const { + return hash_combine(Scope, Name, LinkageName, File, Line, Type, + IsLocalToUnit, IsDefinition, Variable, + StaticDataMemberDeclaration); + } +}; + +template <> struct MDNodeKeyImpl<DILocalVariable> { + unsigned Tag; + Metadata *Scope; + StringRef Name; + Metadata *File; + unsigned Line; + Metadata *Type; + unsigned Arg; + unsigned Flags; + + MDNodeKeyImpl(unsigned Tag, Metadata *Scope, StringRef Name, Metadata *File, + unsigned Line, Metadata *Type, unsigned Arg, unsigned Flags) + : Tag(Tag), Scope(Scope), Name(Name), File(File), Line(Line), Type(Type), + Arg(Arg), Flags(Flags) {} + MDNodeKeyImpl(const DILocalVariable *N) + : Tag(N->getTag()), Scope(N->getRawScope()), Name(N->getName()), + File(N->getRawFile()), Line(N->getLine()), Type(N->getRawType()), + Arg(N->getArg()), Flags(N->getFlags()) {} + + bool isKeyOf(const DILocalVariable *RHS) const { + return Tag == RHS->getTag() && Scope == RHS->getRawScope() && + Name == RHS->getName() && File == RHS->getRawFile() && + Line == RHS->getLine() && Type == RHS->getRawType() && + Arg == RHS->getArg() && Flags == RHS->getFlags(); + } + unsigned getHashValue() const { + return hash_combine(Tag, Scope, Name, File, Line, Type, Arg, Flags); + } +}; + +template <> struct MDNodeKeyImpl<DIExpression> { + ArrayRef<uint64_t> Elements; + + MDNodeKeyImpl(ArrayRef<uint64_t> Elements) : Elements(Elements) {} + MDNodeKeyImpl(const DIExpression *N) : Elements(N->getElements()) {} + + bool isKeyOf(const DIExpression *RHS) const { + return Elements == RHS->getElements(); + } + unsigned getHashValue() const { + return hash_combine_range(Elements.begin(), Elements.end()); + } +}; + +template <> struct MDNodeKeyImpl<DIObjCProperty> { + StringRef Name; + Metadata *File; + unsigned Line; + StringRef GetterName; + StringRef SetterName; + unsigned Attributes; + Metadata *Type; + + MDNodeKeyImpl(StringRef Name, Metadata *File, unsigned Line, + StringRef GetterName, StringRef SetterName, unsigned Attributes, + Metadata *Type) + : Name(Name), File(File), Line(Line), GetterName(GetterName), + SetterName(SetterName), Attributes(Attributes), Type(Type) {} + MDNodeKeyImpl(const DIObjCProperty *N) + : Name(N->getName()), File(N->getRawFile()), Line(N->getLine()), + GetterName(N->getGetterName()), SetterName(N->getSetterName()), + Attributes(N->getAttributes()), Type(N->getRawType()) {} + + bool isKeyOf(const DIObjCProperty *RHS) const { + return Name == RHS->getName() && File == RHS->getRawFile() && + Line == RHS->getLine() && GetterName == RHS->getGetterName() && + SetterName == RHS->getSetterName() && + Attributes == RHS->getAttributes() && Type == RHS->getRawType(); + } + unsigned getHashValue() const { + return hash_combine(Name, File, Line, GetterName, SetterName, Attributes, + Type); + } +}; + +template <> struct MDNodeKeyImpl<DIImportedEntity> { + unsigned Tag; + Metadata *Scope; + Metadata *Entity; + unsigned Line; + StringRef Name; + + MDNodeKeyImpl(unsigned Tag, Metadata *Scope, Metadata *Entity, unsigned Line, + StringRef Name) + : Tag(Tag), Scope(Scope), Entity(Entity), Line(Line), Name(Name) {} + MDNodeKeyImpl(const DIImportedEntity *N) + : Tag(N->getTag()), Scope(N->getRawScope()), Entity(N->getRawEntity()), + Line(N->getLine()), Name(N->getName()) {} + + bool isKeyOf(const DIImportedEntity *RHS) const { + return Tag == RHS->getTag() && Scope == RHS->getRawScope() && + Entity == RHS->getRawEntity() && Line == RHS->getLine() && + Name == RHS->getName(); + } + unsigned getHashValue() const { + return hash_combine(Tag, Scope, Entity, Line, Name); + } +}; + +/// \brief DenseMapInfo for MDNode subclasses. +template <class NodeTy> struct MDNodeInfo { + typedef MDNodeKeyImpl<NodeTy> KeyTy; + static inline NodeTy *getEmptyKey() { + return DenseMapInfo<NodeTy *>::getEmptyKey(); + } + static inline NodeTy *getTombstoneKey() { + return DenseMapInfo<NodeTy *>::getTombstoneKey(); + } + static unsigned getHashValue(const KeyTy &Key) { return Key.getHashValue(); } + static unsigned getHashValue(const NodeTy *N) { + return KeyTy(N).getHashValue(); + } + static bool isEqual(const KeyTy &LHS, const NodeTy *RHS) { + if (RHS == getEmptyKey() || RHS == getTombstoneKey()) + return false; + return LHS.isKeyOf(RHS); + } + static bool isEqual(const NodeTy *LHS, const NodeTy *RHS) { return LHS == RHS; } }; +#define HANDLE_MDNODE_LEAF(CLASS) typedef MDNodeInfo<CLASS> CLASS##Info; +#include "llvm/IR/Metadata.def" + +/// \brief Map-like storage for metadata attachments. +class MDAttachmentMap { + SmallVector<std::pair<unsigned, TrackingMDNodeRef>, 2> Attachments; + +public: + bool empty() const { return Attachments.empty(); } + size_t size() const { return Attachments.size(); } + + /// \brief Get a particular attachment (if any). + MDNode *lookup(unsigned ID) const; + + /// \brief Set an attachment to a particular node. + /// + /// Set the \c ID attachment to \c MD, replacing the current attachment at \c + /// ID (if anyway). + void set(unsigned ID, MDNode &MD); + + /// \brief Remove an attachment. + /// + /// Remove the attachment at \c ID, if any. + void erase(unsigned ID); + + /// \brief Copy out all the attachments. + /// + /// Copies all the current attachments into \c Result, sorting by attachment + /// ID. This function does \em not clear \c Result. + void getAll(SmallVectorImpl<std::pair<unsigned, MDNode *>> &Result) const; + + /// \brief Erase matching attachments. + /// + /// Erases all attachments matching the \c shouldRemove predicate. + template <class PredTy> void remove_if(PredTy shouldRemove) { + Attachments.erase( + std::remove_if(Attachments.begin(), Attachments.end(), shouldRemove), + Attachments.end()); + } +}; + class LLVMContextImpl { public: /// OwnedModules - The set of modules instantiated in this context, and which @@ -287,14 +922,14 @@ public: DenseMap<Value *, ValueAsMetadata *> ValuesAsMetadata; DenseMap<Metadata *, MetadataAsValue *> MetadataAsValues; - DenseSet<MDTuple *, MDTupleInfo> MDTuples; - DenseSet<MDLocation *, MDLocationInfo> MDLocations; +#define HANDLE_MDNODE_LEAF(CLASS) DenseSet<CLASS *, CLASS##Info> CLASS##s; +#include "llvm/IR/Metadata.def" // MDNodes may be uniqued or not uniqued. When they're not uniqued, they // aren't in the MDNodeSet, but they're still shared between objects, so no // one object can destroy them. This set allows us to at least destroy them // on Context destruction. - SmallPtrSet<UniquableMDNode *, 1> DistinctMDNodes; + SmallPtrSet<MDNode *, 1> DistinctMDNodes; DenseMap<Type*, ConstantAggregateZero*> CAZConstants; @@ -321,14 +956,11 @@ public: ConstantInt *TheTrueVal; ConstantInt *TheFalseVal; - - LeakDetectorImpl<Value> LLVMObjects; - LeakDetectorImpl<Metadata> LLVMMDObjects; // Basic type instances. Type VoidTy, LabelTy, HalfTy, FloatTy, DoubleTy, MetadataTy; Type X86_FP80Ty, FP128Ty, PPC_FP128Ty, X86_MMXTy; - IntegerType Int1Ty, Int8Ty, Int16Ty, Int32Ty, Int64Ty; + IntegerType Int1Ty, Int8Ty, Int16Ty, Int32Ty, Int64Ty, Int128Ty; /// TypeAllocator - All dynamically allocated types are allocated from this. @@ -359,23 +991,17 @@ public: /// CustomMDKindNames - Map to hold the metadata string to ID mapping. StringMap<unsigned> CustomMDKindNames; - typedef std::pair<unsigned, TrackingMDNodeRef> MDPairTy; - typedef SmallVector<MDPairTy, 2> MDMapTy; + /// Collection of per-instruction metadata used in this context. + DenseMap<const Instruction *, MDAttachmentMap> InstructionMetadata; + + /// Collection of per-function metadata used in this context. + DenseMap<const Function *, MDAttachmentMap> FunctionMetadata; - /// MetadataStore - Collection of per-instruction metadata used in this - /// context. - DenseMap<const Instruction *, MDMapTy> MetadataStore; - /// DiscriminatorTable - This table maps file:line locations to an /// integer representing the next DWARF path discriminator to assign to /// instructions in different blocks at the same location. DenseMap<std::pair<const char *, unsigned>, unsigned> DiscriminatorTable; - /// IntrinsicIDCache - Cache of intrinsic name (string) to numeric ID mappings - /// requested in this context - typedef DenseMap<const Function*, unsigned> IntrinsicIDCacheTy; - IntrinsicIDCacheTy IntrinsicIDCache; - /// \brief Mapping from a function to its prefix data, which is stored as the /// operand of an unparented ReturnInst so that the prefix data has a Use. typedef DenseMap<const Function *, ReturnInst *> PrefixDataMapTy; @@ -389,9 +1015,12 @@ public: int getOrAddScopeRecordIdxEntry(MDNode *N, int ExistingIdx); int getOrAddScopeInlinedAtIdxEntry(MDNode *Scope, MDNode *IA,int ExistingIdx); - + LLVMContextImpl(LLVMContext &C); ~LLVMContextImpl(); + + /// Destroy the ConstantArrays if they are not used. + void dropTriviallyDeadConstantArrays(); }; } |