diff options
Diffstat (limited to 'lib/IR/LLVMContextImpl.h')
-rw-r--r-- | lib/IR/LLVMContextImpl.h | 864 |
1 files changed, 721 insertions, 143 deletions
diff --git a/lib/IR/LLVMContextImpl.h b/lib/IR/LLVMContextImpl.h index e743ec3..4631246 100644 --- a/lib/IR/LLVMContextImpl.h +++ b/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" @@ -41,60 +41,38 @@ class ConstantFP; class DiagnosticInfoOptimizationRemark; class DiagnosticInfoOptimizationRemarkMissed; class DiagnosticInfoOptimizationRemarkAnalysis; +class GCStrategy; class LLVMContext; class Type; class Value; struct DenseMapAPIntKeyInfo { - struct KeyTy { - APInt val; - Type* type; - KeyTy(const APInt& V, Type* Ty) : val(V), type(Ty) {} - bool operator==(const KeyTy& that) const { - return type == that.type && this->val == that.val; - } - bool operator!=(const KeyTy& that) const { - return !this->operator==(that); - } - friend hash_code hash_value(const KeyTy &Key) { - return hash_combine(Key.type, Key.val); - } - }; - static inline KeyTy getEmptyKey() { return KeyTy(APInt(1,0), nullptr); } - static inline KeyTy getTombstoneKey() { return KeyTy(APInt(1,1), nullptr); } - static unsigned getHashValue(const KeyTy &Key) { + static inline APInt getEmptyKey() { + APInt V(nullptr, 0); + V.VAL = 0; + return V; + } + static inline APInt getTombstoneKey() { + APInt V(nullptr, 0); + V.VAL = 1; + return V; + } + static unsigned getHashValue(const APInt &Key) { return static_cast<unsigned>(hash_value(Key)); } - static bool isEqual(const KeyTy &LHS, const KeyTy &RHS) { - return LHS == RHS; + static bool isEqual(const APInt &LHS, const APInt &RHS) { + return LHS.getBitWidth() == RHS.getBitWidth() && LHS == RHS; } }; struct DenseMapAPFloatKeyInfo { - struct KeyTy { - APFloat val; - KeyTy(const APFloat& V) : val(V){} - bool operator==(const KeyTy& that) const { - return this->val.bitwiseIsEqual(that.val); - } - bool operator!=(const KeyTy& that) const { - return !this->operator==(that); - } - friend hash_code hash_value(const KeyTy &Key) { - return hash_combine(Key.val); - } - }; - static inline KeyTy getEmptyKey() { - return KeyTy(APFloat(APFloat::Bogus,1)); - } - static inline KeyTy getTombstoneKey() { - return KeyTy(APFloat(APFloat::Bogus,2)); - } - static unsigned getHashValue(const KeyTy &Key) { + static inline APFloat getEmptyKey() { return APFloat(APFloat::Bogus, 1); } + static inline APFloat getTombstoneKey() { return APFloat(APFloat::Bogus, 2); } + static unsigned getHashValue(const APFloat &Key) { return static_cast<unsigned>(hash_value(Key)); } - static bool isEqual(const KeyTy &LHS, const KeyTy &RHS) { - return LHS == RHS; + static bool isEqual(const APFloat &LHS, const APFloat &RHS) { + return LHS.bitwiseIsEqual(RHS); } }; @@ -104,9 +82,8 @@ struct AnonStructTypeKeyInfo { bool isPacked; KeyTy(const ArrayRef<Type*>& E, bool P) : ETypes(E), isPacked(P) {} - KeyTy(const StructType* ST) : - ETypes(ArrayRef<Type*>(ST->element_begin(), ST->element_end())), - isPacked(ST->isPacked()) {} + KeyTy(const StructType *ST) + : ETypes(ST->elements()), isPacked(ST->isPacked()) {} bool operator==(const KeyTy& that) const { if (isPacked != that.isPacked) return false; @@ -149,10 +126,9 @@ struct FunctionTypeKeyInfo { bool isVarArg; KeyTy(const Type* R, const ArrayRef<Type*>& P, bool V) : ReturnType(R), Params(P), isVarArg(V) {} - KeyTy(const FunctionType* FT) : - ReturnType(FT->getReturnType()), - Params(makeArrayRef(FT->param_begin(), FT->param_end())), - isVarArg(FT->isVarArg()) {} + KeyTy(const FunctionType *FT) + : ReturnType(FT->getReturnType()), Params(FT->params()), + isVarArg(FT->isVarArg()) {} bool operator==(const KeyTy& that) const { if (ReturnType != that.ReturnType) return false; @@ -191,78 +167,690 @@ struct FunctionTypeKeyInfo { } }; -/// \brief DenseMapInfo for GenericMDNode. +/// \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 GenericMDNodeInfo { - struct KeyTy { - ArrayRef<Value *> Ops; - unsigned Hash; - - KeyTy(ArrayRef<Value *> Ops) - : Ops(Ops), Hash(hash_combine_range(Ops.begin(), Ops.end())) {} - - KeyTy(GenericMDNode *N, SmallVectorImpl<Value *> &Storage) { - Storage.resize(N->getNumOperands()); - for (unsigned I = 0, E = N->getNumOperands(); I != E; ++I) - Storage[I] = N->getOperand(I); - Ops = Storage; - Hash = hash_combine_range(Ops.begin(), Ops.end()); - } +template <> struct MDNodeKeyImpl<MDTuple> : MDNodeOpsKey { + MDNodeKeyImpl(ArrayRef<Metadata *> Ops) : MDNodeOpsKey(Ops) {} + MDNodeKeyImpl(const MDTuple *N) : MDNodeOpsKey(N) {} - bool operator==(const GenericMDNode *RHS) const { - if (RHS == getEmptyKey() || RHS == getTombstoneKey()) - return false; - if (Hash != RHS->getHash() || Ops.size() != RHS->getNumOperands()) - return false; - for (unsigned I = 0, E = Ops.size(); I != E; ++I) - if (Ops[I] != RHS->getOperand(I)) - return false; - return true; - } - }; - static inline GenericMDNode *getEmptyKey() { - return DenseMapInfo<GenericMDNode *>::getEmptyKey(); + bool isKeyOf(const MDTuple *RHS) const { return compareOps(RHS); } + + unsigned getHashValue() const { return getHash(); } + + static unsigned calculateHash(MDTuple *N) { + return MDNodeOpsKey::calculateHash(N); } - static inline GenericMDNode *getTombstoneKey() { - return DenseMapInfo<GenericMDNode *>::getTombstoneKey(); +}; + +/// \brief DenseMapInfo for MDLocation. +template <> struct MDNodeKeyImpl<MDLocation> { + 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 MDLocation *L) + : Line(L->getLine()), Column(L->getColumn()), Scope(L->getScope()), + InlinedAt(L->getInlinedAt()) {} + + bool isKeyOf(const MDLocation *RHS) const { + return Line == RHS->getLine() && Column == RHS->getColumn() && + Scope == RHS->getScope() && InlinedAt == RHS->getInlinedAt(); } - static unsigned getHashValue(const KeyTy &Key) { return Key.Hash; } - static unsigned getHashValue(const GenericMDNode *U) { - return U->getHash(); + unsigned getHashValue() const { + return hash_combine(Line, Column, Scope, InlinedAt); } - static bool isEqual(const KeyTy &LHS, const GenericMDNode *RHS) { - return LHS == RHS; +}; + +/// \brief DenseMapInfo for GenericDebugNode. +template <> struct MDNodeKeyImpl<GenericDebugNode> : MDNodeOpsKey { + unsigned Tag; + StringRef Header; + MDNodeKeyImpl(unsigned Tag, StringRef Header, ArrayRef<Metadata *> DwarfOps) + : MDNodeOpsKey(DwarfOps), Tag(Tag), Header(Header) {} + MDNodeKeyImpl(const GenericDebugNode *N) + : MDNodeOpsKey(N, 1), Tag(N->getTag()), Header(N->getHeader()) {} + + bool isKeyOf(const GenericDebugNode *RHS) const { + return Tag == RHS->getTag() && Header == RHS->getHeader() && + compareOps(RHS, 1); } - static bool isEqual(const GenericMDNode *LHS, const GenericMDNode *RHS) { - return LHS == RHS; + + unsigned getHashValue() const { return hash_combine(getHash(), Tag, Header); } + + static unsigned calculateHash(GenericDebugNode *N) { + return MDNodeOpsKey::calculateHash(N, 1); } }; -/// DebugRecVH - This is a CallbackVH used to keep the Scope -> index maps -/// up to date as MDNodes mutate. This class is implemented in DebugLoc.cpp. -class DebugRecVH : public CallbackVH { - /// Ctx - This is the LLVM Context being referenced. - LLVMContextImpl *Ctx; - - /// Idx - The index into either ScopeRecordIdx or ScopeInlinedAtRecords that - /// this reference lives in. If this is zero, then it represents a - /// non-canonical entry that has no DenseMap value. This can happen due to - /// RAUW. - int Idx; -public: - DebugRecVH(MDNode *n, LLVMContextImpl *ctx, int idx) - : CallbackVH(n), Ctx(ctx), Idx(idx) {} - - MDNode *get() const { - return cast_or_null<MDNode>(getValPtr()); +template <> struct MDNodeKeyImpl<MDSubrange> { + int64_t Count; + int64_t Lo; + + MDNodeKeyImpl(int64_t Count, int64_t Lo) : Count(Count), Lo(Lo) {} + MDNodeKeyImpl(const MDSubrange *N) : Count(N->getCount()), Lo(N->getLo()) {} + + bool isKeyOf(const MDSubrange *RHS) const { + return Count == RHS->getCount() && Lo == RHS->getLo(); } + unsigned getHashValue() const { return hash_combine(Count, Lo); } +}; + +template <> struct MDNodeKeyImpl<MDEnumerator> { + int64_t Value; + StringRef Name; - void deleted() override; - void allUsesReplacedWith(Value *VNew) override; + MDNodeKeyImpl(int64_t Value, StringRef Name) : Value(Value), Name(Name) {} + MDNodeKeyImpl(const MDEnumerator *N) + : Value(N->getValue()), Name(N->getName()) {} + + bool isKeyOf(const MDEnumerator *RHS) const { + return Value == RHS->getValue() && Name == RHS->getName(); + } + unsigned getHashValue() const { return hash_combine(Value, Name); } }; - + +template <> struct MDNodeKeyImpl<MDBasicType> { + 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 MDBasicType *N) + : Tag(N->getTag()), Name(N->getName()), SizeInBits(N->getSizeInBits()), + AlignInBits(N->getAlignInBits()), Encoding(N->getEncoding()) {} + + bool isKeyOf(const MDBasicType *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + SizeInBits == RHS->getSizeInBits() && + AlignInBits == RHS->getAlignInBits() && + Encoding == RHS->getEncoding(); + } + unsigned getHashValue() const { + return hash_combine(Tag, Name, SizeInBits, AlignInBits, Encoding); + } +}; + +template <> struct MDNodeKeyImpl<MDDerivedType> { + 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 MDDerivedType *N) + : Tag(N->getTag()), Name(N->getName()), File(N->getFile()), + Line(N->getLine()), Scope(N->getScope()), BaseType(N->getBaseType()), + SizeInBits(N->getSizeInBits()), AlignInBits(N->getAlignInBits()), + OffsetInBits(N->getOffsetInBits()), Flags(N->getFlags()), + ExtraData(N->getExtraData()) {} + + bool isKeyOf(const MDDerivedType *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + File == RHS->getFile() && Line == RHS->getLine() && + Scope == RHS->getScope() && BaseType == RHS->getBaseType() && + SizeInBits == RHS->getSizeInBits() && + AlignInBits == RHS->getAlignInBits() && + OffsetInBits == RHS->getOffsetInBits() && Flags == RHS->getFlags() && + ExtraData == RHS->getExtraData(); + } + unsigned getHashValue() const { + return hash_combine(Tag, Name, File, Line, Scope, BaseType, SizeInBits, + AlignInBits, OffsetInBits, Flags, ExtraData); + } +}; + +template <> struct MDNodeKeyImpl<MDCompositeType> { + 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 MDCompositeType *N) + : Tag(N->getTag()), Name(N->getName()), File(N->getFile()), + Line(N->getLine()), Scope(N->getScope()), BaseType(N->getBaseType()), + SizeInBits(N->getSizeInBits()), AlignInBits(N->getAlignInBits()), + OffsetInBits(N->getOffsetInBits()), Flags(N->getFlags()), + Elements(N->getElements()), RuntimeLang(N->getRuntimeLang()), + VTableHolder(N->getVTableHolder()), + TemplateParams(N->getTemplateParams()), Identifier(N->getIdentifier()) { + } + + bool isKeyOf(const MDCompositeType *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + File == RHS->getFile() && Line == RHS->getLine() && + Scope == RHS->getScope() && BaseType == RHS->getBaseType() && + SizeInBits == RHS->getSizeInBits() && + AlignInBits == RHS->getAlignInBits() && + OffsetInBits == RHS->getOffsetInBits() && Flags == RHS->getFlags() && + Elements == RHS->getElements() && + RuntimeLang == RHS->getRuntimeLang() && + VTableHolder == RHS->getVTableHolder() && + TemplateParams == RHS->getTemplateParams() && + 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<MDSubroutineType> { + unsigned Flags; + Metadata *TypeArray; + + MDNodeKeyImpl(int64_t Flags, Metadata *TypeArray) + : Flags(Flags), TypeArray(TypeArray) {} + MDNodeKeyImpl(const MDSubroutineType *N) + : Flags(N->getFlags()), TypeArray(N->getTypeArray()) {} + + bool isKeyOf(const MDSubroutineType *RHS) const { + return Flags == RHS->getFlags() && TypeArray == RHS->getTypeArray(); + } + unsigned getHashValue() const { return hash_combine(Flags, TypeArray); } +}; + +template <> struct MDNodeKeyImpl<MDFile> { + StringRef Filename; + StringRef Directory; + + MDNodeKeyImpl(StringRef Filename, StringRef Directory) + : Filename(Filename), Directory(Directory) {} + MDNodeKeyImpl(const MDFile *N) + : Filename(N->getFilename()), Directory(N->getDirectory()) {} + + bool isKeyOf(const MDFile *RHS) const { + return Filename == RHS->getFilename() && Directory == RHS->getDirectory(); + } + unsigned getHashValue() const { return hash_combine(Filename, Directory); } +}; + +template <> struct MDNodeKeyImpl<MDCompileUnit> { + 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; + + 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) + : 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) {} + MDNodeKeyImpl(const MDCompileUnit *N) + : SourceLanguage(N->getSourceLanguage()), File(N->getFile()), + Producer(N->getProducer()), IsOptimized(N->isOptimized()), + Flags(N->getFlags()), RuntimeVersion(N->getRuntimeVersion()), + SplitDebugFilename(N->getSplitDebugFilename()), + EmissionKind(N->getEmissionKind()), EnumTypes(N->getEnumTypes()), + RetainedTypes(N->getRetainedTypes()), Subprograms(N->getSubprograms()), + GlobalVariables(N->getGlobalVariables()), + ImportedEntities(N->getImportedEntities()) {} + + bool isKeyOf(const MDCompileUnit *RHS) const { + return SourceLanguage == RHS->getSourceLanguage() && + File == RHS->getFile() && Producer == RHS->getProducer() && + IsOptimized == RHS->isOptimized() && Flags == RHS->getFlags() && + RuntimeVersion == RHS->getRuntimeVersion() && + SplitDebugFilename == RHS->getSplitDebugFilename() && + EmissionKind == RHS->getEmissionKind() && + EnumTypes == RHS->getEnumTypes() && + RetainedTypes == RHS->getRetainedTypes() && + Subprograms == RHS->getSubprograms() && + GlobalVariables == RHS->getGlobalVariables() && + ImportedEntities == RHS->getImportedEntities(); + } + unsigned getHashValue() const { + return hash_combine(SourceLanguage, File, Producer, IsOptimized, Flags, + RuntimeVersion, SplitDebugFilename, EmissionKind, + EnumTypes, RetainedTypes, Subprograms, GlobalVariables, + ImportedEntities); + } +}; + +template <> struct MDNodeKeyImpl<MDSubprogram> { + 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 MDSubprogram *N) + : Scope(N->getScope()), Name(N->getName()), + LinkageName(N->getLinkageName()), File(N->getFile()), + Line(N->getLine()), Type(N->getType()), + IsLocalToUnit(N->isLocalToUnit()), IsDefinition(N->isDefinition()), + ScopeLine(N->getScopeLine()), ContainingType(N->getContainingType()), + Virtuality(N->getVirtuality()), VirtualIndex(N->getVirtualIndex()), + Flags(N->getFlags()), IsOptimized(N->isOptimized()), + Function(N->getFunction()), TemplateParams(N->getTemplateParams()), + Declaration(N->getDeclaration()), Variables(N->getVariables()) {} + + bool isKeyOf(const MDSubprogram *RHS) const { + return Scope == RHS->getScope() && Name == RHS->getName() && + LinkageName == RHS->getLinkageName() && File == RHS->getFile() && + Line == RHS->getLine() && Type == RHS->getType() && + IsLocalToUnit == RHS->isLocalToUnit() && + IsDefinition == RHS->isDefinition() && + ScopeLine == RHS->getScopeLine() && + ContainingType == RHS->getContainingType() && + Virtuality == RHS->getVirtuality() && + VirtualIndex == RHS->getVirtualIndex() && Flags == RHS->getFlags() && + IsOptimized == RHS->isOptimized() && + Function == RHS->getFunction() && + TemplateParams == RHS->getTemplateParams() && + Declaration == RHS->getDeclaration() && + Variables == RHS->getVariables(); + } + 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<MDLexicalBlock> { + 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 MDLexicalBlock *N) + : Scope(N->getScope()), File(N->getFile()), Line(N->getLine()), + Column(N->getColumn()) {} + + bool isKeyOf(const MDLexicalBlock *RHS) const { + return Scope == RHS->getScope() && File == RHS->getFile() && + Line == RHS->getLine() && Column == RHS->getColumn(); + } + unsigned getHashValue() const { + return hash_combine(Scope, File, Line, Column); + } +}; + +template <> struct MDNodeKeyImpl<MDLexicalBlockFile> { + Metadata *Scope; + Metadata *File; + unsigned Discriminator; + + MDNodeKeyImpl(Metadata *Scope, Metadata *File, unsigned Discriminator) + : Scope(Scope), File(File), Discriminator(Discriminator) {} + MDNodeKeyImpl(const MDLexicalBlockFile *N) + : Scope(N->getScope()), File(N->getFile()), + Discriminator(N->getDiscriminator()) {} + + bool isKeyOf(const MDLexicalBlockFile *RHS) const { + return Scope == RHS->getScope() && File == RHS->getFile() && + Discriminator == RHS->getDiscriminator(); + } + unsigned getHashValue() const { + return hash_combine(Scope, File, Discriminator); + } +}; + +template <> struct MDNodeKeyImpl<MDNamespace> { + 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 MDNamespace *N) + : Scope(N->getScope()), File(N->getFile()), Name(N->getName()), + Line(N->getLine()) {} + + bool isKeyOf(const MDNamespace *RHS) const { + return Scope == RHS->getScope() && File == RHS->getFile() && + Name == RHS->getName() && Line == RHS->getLine(); + } + unsigned getHashValue() const { + return hash_combine(Scope, File, Name, Line); + } +}; + +template <> struct MDNodeKeyImpl<MDTemplateTypeParameter> { + StringRef Name; + Metadata *Type; + + MDNodeKeyImpl(StringRef Name, Metadata *Type) : Name(Name), Type(Type) {} + MDNodeKeyImpl(const MDTemplateTypeParameter *N) + : Name(N->getName()), Type(N->getType()) {} + + bool isKeyOf(const MDTemplateTypeParameter *RHS) const { + return Name == RHS->getName() && Type == RHS->getType(); + } + unsigned getHashValue() const { return hash_combine(Name, Type); } +}; + +template <> struct MDNodeKeyImpl<MDTemplateValueParameter> { + 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 MDTemplateValueParameter *N) + : Tag(N->getTag()), Name(N->getName()), Type(N->getType()), + Value(N->getValue()) {} + + bool isKeyOf(const MDTemplateValueParameter *RHS) const { + return Tag == RHS->getTag() && Name == RHS->getName() && + Type == RHS->getType() && Value == RHS->getValue(); + } + unsigned getHashValue() const { return hash_combine(Tag, Name, Type, Value); } +}; + +template <> struct MDNodeKeyImpl<MDGlobalVariable> { + 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 MDGlobalVariable *N) + : Scope(N->getScope()), Name(N->getName()), + LinkageName(N->getLinkageName()), File(N->getFile()), + Line(N->getLine()), Type(N->getType()), + IsLocalToUnit(N->isLocalToUnit()), IsDefinition(N->isDefinition()), + Variable(N->getVariable()), + StaticDataMemberDeclaration(N->getStaticDataMemberDeclaration()) {} + + bool isKeyOf(const MDGlobalVariable *RHS) const { + return Scope == RHS->getScope() && Name == RHS->getName() && + LinkageName == RHS->getLinkageName() && File == RHS->getFile() && + Line == RHS->getLine() && Type == RHS->getType() && + IsLocalToUnit == RHS->isLocalToUnit() && + IsDefinition == RHS->isDefinition() && + Variable == RHS->getVariable() && + StaticDataMemberDeclaration == RHS->getStaticDataMemberDeclaration(); + } + unsigned getHashValue() const { + return hash_combine(Scope, Name, LinkageName, File, Line, Type, + IsLocalToUnit, IsDefinition, Variable, + StaticDataMemberDeclaration); + } +}; + +template <> struct MDNodeKeyImpl<MDLocalVariable> { + unsigned Tag; + Metadata *Scope; + StringRef Name; + Metadata *File; + unsigned Line; + Metadata *Type; + unsigned Arg; + unsigned Flags; + Metadata *InlinedAt; + + MDNodeKeyImpl(unsigned Tag, Metadata *Scope, StringRef Name, Metadata *File, + unsigned Line, Metadata *Type, unsigned Arg, unsigned Flags, + Metadata *InlinedAt) + : Tag(Tag), Scope(Scope), Name(Name), File(File), Line(Line), Type(Type), + Arg(Arg), Flags(Flags), InlinedAt(InlinedAt) {} + MDNodeKeyImpl(const MDLocalVariable *N) + : Tag(N->getTag()), Scope(N->getScope()), Name(N->getName()), + File(N->getFile()), Line(N->getLine()), Type(N->getType()), + Arg(N->getArg()), Flags(N->getFlags()), InlinedAt(N->getInlinedAt()) {} + + bool isKeyOf(const MDLocalVariable *RHS) const { + return Tag == RHS->getTag() && Scope == RHS->getScope() && + Name == RHS->getName() && File == RHS->getFile() && + Line == RHS->getLine() && Type == RHS->getType() && + Arg == RHS->getArg() && Flags == RHS->getFlags() && + InlinedAt == RHS->getInlinedAt(); + } + unsigned getHashValue() const { + return hash_combine(Tag, Scope, Name, File, Line, Type, Arg, Flags, + InlinedAt); + } +}; + +template <> struct MDNodeKeyImpl<MDExpression> { + ArrayRef<uint64_t> Elements; + + MDNodeKeyImpl(ArrayRef<uint64_t> Elements) : Elements(Elements) {} + MDNodeKeyImpl(const MDExpression *N) : Elements(N->getElements()) {} + + bool isKeyOf(const MDExpression *RHS) const { + return Elements == RHS->getElements(); + } + unsigned getHashValue() const { + return hash_combine_range(Elements.begin(), Elements.end()); + } +}; + +template <> struct MDNodeKeyImpl<MDObjCProperty> { + 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 MDObjCProperty *N) + : Name(N->getName()), File(N->getFile()), Line(N->getLine()), + GetterName(N->getGetterName()), SetterName(N->getSetterName()), + Attributes(N->getAttributes()), Type(N->getType()) {} + + bool isKeyOf(const MDObjCProperty *RHS) const { + return Name == RHS->getName() && File == RHS->getFile() && + Line == RHS->getLine() && GetterName == RHS->getGetterName() && + SetterName == RHS->getSetterName() && + Attributes == RHS->getAttributes() && Type == RHS->getType(); + } + unsigned getHashValue() const { + return hash_combine(Name, File, Line, GetterName, SetterName, Attributes, + Type); + } +}; + +template <> struct MDNodeKeyImpl<MDImportedEntity> { + 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 MDImportedEntity *N) + : Tag(N->getTag()), Scope(N->getScope()), Entity(N->getEntity()), + Line(N->getLine()), Name(N->getName()) {} + + bool isKeyOf(const MDImportedEntity *RHS) const { + return Tag == RHS->getTag() && Scope == RHS->getScope() && + Entity == RHS->getEntity() && 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" + class LLVMContextImpl { public: /// OwnedModules - The set of modules instantiated in this context, and which @@ -279,12 +867,10 @@ public: LLVMContext::YieldCallbackTy YieldCallback; void *YieldOpaqueHandle; - typedef DenseMap<DenseMapAPIntKeyInfo::KeyTy, ConstantInt *, - DenseMapAPIntKeyInfo> IntMapTy; + typedef DenseMap<APInt, ConstantInt *, DenseMapAPIntKeyInfo> IntMapTy; IntMapTy IntConstants; - - typedef DenseMap<DenseMapAPFloatKeyInfo::KeyTy, ConstantFP*, - DenseMapAPFloatKeyInfo> FPMapTy; + + typedef DenseMap<APFloat, ConstantFP *, DenseMapAPFloatKeyInfo> FPMapTy; FPMapTy FPConstants; FoldingSet<AttributeImpl> AttrsSet; @@ -292,14 +878,17 @@ public: FoldingSet<AttributeSetNode> AttrsSetNodes; StringMap<MDString> MDStringCache; + DenseMap<Value *, ValueAsMetadata *> ValuesAsMetadata; + DenseMap<Metadata *, MetadataAsValue *> MetadataAsValues; - DenseSet<GenericMDNode *, GenericMDNodeInfo> MDNodeSet; +#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<GenericMDNode *, 1> NonUniquedMDNodes; + SmallPtrSet<MDNode *, 1> DistinctMDNodes; DenseMap<Type*, ConstantAggregateZero*> CAZConstants; @@ -326,9 +915,7 @@ public: ConstantInt *TheTrueVal; ConstantInt *TheFalseVal; - - LeakDetectorImpl<Value> LLVMObjects; - + // Basic type instances. Type VoidTy, LabelTy, HalfTy, FloatTy, DoubleTy, MetadataTy; Type X86_FP80Ty, FP128Ty, PPC_FP128Ty, X86_MMXTy; @@ -340,11 +927,11 @@ public: BumpPtrAllocator TypeAllocator; DenseMap<unsigned, IntegerType*> IntegerTypes; - - typedef DenseMap<FunctionType*, bool, FunctionTypeKeyInfo> FunctionTypeMap; - FunctionTypeMap FunctionTypes; - typedef DenseMap<StructType*, bool, AnonStructTypeKeyInfo> StructTypeMap; - StructTypeMap AnonStructTypes; + + typedef DenseSet<FunctionType *, FunctionTypeKeyInfo> FunctionTypeSet; + FunctionTypeSet FunctionTypes; + typedef DenseSet<StructType *, AnonStructTypeKeyInfo> StructTypeSet; + StructTypeSet AnonStructTypes; StringMap<StructType*> NamedStructTypes; unsigned NamedStructTypesUniqueID; @@ -362,32 +949,14 @@ public: /// CustomMDKindNames - Map to hold the metadata string to ID mapping. StringMap<unsigned> CustomMDKindNames; - - typedef std::pair<unsigned, TrackingVH<MDNode> > MDPairTy; + + typedef std::pair<unsigned, TrackingMDNodeRef> MDPairTy; typedef SmallVector<MDPairTy, 2> MDMapTy; /// MetadataStore - Collection of per-instruction metadata used in this /// context. DenseMap<const Instruction *, MDMapTy> MetadataStore; - /// ScopeRecordIdx - This is the index in ScopeRecords for an MDNode scope - /// entry with no "inlined at" element. - DenseMap<MDNode*, int> ScopeRecordIdx; - - /// ScopeRecords - These are the actual mdnodes (in a value handle) for an - /// index. The ValueHandle ensures that ScopeRecordIdx stays up to date if - /// the MDNode is RAUW'd. - std::vector<DebugRecVH> ScopeRecords; - - /// ScopeInlinedAtIdx - This is the index in ScopeInlinedAtRecords for an - /// scope/inlined-at pair. - DenseMap<std::pair<MDNode*, MDNode*>, int> ScopeInlinedAtIdx; - - /// ScopeInlinedAtRecords - These are the actual mdnodes (in value handles) - /// for an index. The ValueHandle ensures that ScopeINlinedAtIdx stays up - /// to date. - std::vector<std::pair<DebugRecVH, DebugRecVH> > ScopeInlinedAtRecords; - /// 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. @@ -403,11 +972,20 @@ public: typedef DenseMap<const Function *, ReturnInst *> PrefixDataMapTy; PrefixDataMapTy PrefixDataMap; + /// \brief Mapping from a function to its prologue data, which is stored as + /// the operand of an unparented ReturnInst so that the prologue data has a + /// Use. + typedef DenseMap<const Function *, ReturnInst *> PrologueDataMapTy; + PrologueDataMapTy PrologueDataMap; + 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(); }; } |