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llvm-mirror/lib/IR/LLVMContextImpl.h
Kit Barton 9fb427d0ff Add the i128 builtin type to LLVM. 
The i128 type is needed as a builtin type in order to support the v1i128 vector
type. The PowerPC ABI requires that the i128 and v1i128 types are handled
differently when passed as parameters to functions (i128 is passed in pairs of
GPRs, v1i128 is passed in a single vector register). 

http://reviews.llvm.org/D8564

llvm-svn: 235196
2015-04-17 15:32:15 +00:00

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//===-- LLVMContextImpl.h - The LLVMContextImpl opaque class ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares LLVMContextImpl, the opaque implementation
// of LLVMContext.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_IR_LLVMCONTEXTIMPL_H
#define LLVM_LIB_IR_LLVMCONTEXTIMPL_H
#include "AttributeImpl.h"
#include "ConstantsContext.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/Hashing.h"
#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"
#include "llvm/IR/ValueHandle.h"
#include <vector>
namespace llvm {
class ConstantInt;
class ConstantFP;
class DiagnosticInfoOptimizationRemark;
class DiagnosticInfoOptimizationRemarkMissed;
class DiagnosticInfoOptimizationRemarkAnalysis;
class GCStrategy;
class LLVMContext;
class Type;
class Value;
struct DenseMapAPIntKeyInfo {
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 APInt &LHS, const APInt &RHS) {
return LHS.getBitWidth() == RHS.getBitWidth() && LHS == RHS;
}
};
struct DenseMapAPFloatKeyInfo {
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 APFloat &LHS, const APFloat &RHS) {
return LHS.bitwiseIsEqual(RHS);
}
};
struct AnonStructTypeKeyInfo {
struct KeyTy {
ArrayRef<Type*> ETypes;
bool isPacked;
KeyTy(const ArrayRef<Type*>& E, bool P) :
ETypes(E), isPacked(P) {}
KeyTy(const StructType *ST)
: ETypes(ST->elements()), isPacked(ST->isPacked()) {}
bool operator==(const KeyTy& that) const {
if (isPacked != that.isPacked)
return false;
if (ETypes != that.ETypes)
return false;
return true;
}
bool operator!=(const KeyTy& that) const {
return !this->operator==(that);
}
};
static inline StructType* getEmptyKey() {
return DenseMapInfo<StructType*>::getEmptyKey();
}
static inline StructType* getTombstoneKey() {
return DenseMapInfo<StructType*>::getTombstoneKey();
}
static unsigned getHashValue(const KeyTy& Key) {
return hash_combine(hash_combine_range(Key.ETypes.begin(),
Key.ETypes.end()),
Key.isPacked);
}
static unsigned getHashValue(const StructType *ST) {
return getHashValue(KeyTy(ST));
}
static bool isEqual(const KeyTy& LHS, const StructType *RHS) {
if (RHS == getEmptyKey() || RHS == getTombstoneKey())
return false;
return LHS == KeyTy(RHS);
}
static bool isEqual(const StructType *LHS, const StructType *RHS) {
return LHS == RHS;
}
};
struct FunctionTypeKeyInfo {
struct KeyTy {
const Type *ReturnType;
ArrayRef<Type*> Params;
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(FT->params()),
isVarArg(FT->isVarArg()) {}
bool operator==(const KeyTy& that) const {
if (ReturnType != that.ReturnType)
return false;
if (isVarArg != that.isVarArg)
return false;
if (Params != that.Params)
return false;
return true;
}
bool operator!=(const KeyTy& that) const {
return !this->operator==(that);
}
};
static inline FunctionType* getEmptyKey() {
return DenseMapInfo<FunctionType*>::getEmptyKey();
}
static inline FunctionType* getTombstoneKey() {
return DenseMapInfo<FunctionType*>::getTombstoneKey();
}
static unsigned getHashValue(const KeyTy& Key) {
return hash_combine(Key.ReturnType,
hash_combine_range(Key.Params.begin(),
Key.Params.end()),
Key.isVarArg);
}
static unsigned getHashValue(const FunctionType *FT) {
return getHashValue(KeyTy(FT));
}
static bool isEqual(const KeyTy& LHS, const FunctionType *RHS) {
if (RHS == getEmptyKey() || RHS == getTombstoneKey())
return false;
return LHS == KeyTy(RHS);
}
static bool isEqual(const FunctionType *LHS, const FunctionType *RHS) {
return LHS == RHS;
}
};
/// \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.
template <> struct MDNodeKeyImpl<MDTuple> : MDNodeOpsKey {
MDNodeKeyImpl(ArrayRef<Metadata *> Ops) : MDNodeOpsKey(Ops) {}
MDNodeKeyImpl(const MDTuple *N) : MDNodeOpsKey(N) {}
bool isKeyOf(const MDTuple *RHS) const { return compareOps(RHS); }
unsigned getHashValue() const { return getHash(); }
static unsigned calculateHash(MDTuple *N) {
return MDNodeOpsKey::calculateHash(N);
}
};
/// \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->getRawScope()),
InlinedAt(L->getRawInlinedAt()) {}
bool isKeyOf(const MDLocation *RHS) const {
return Line == RHS->getLine() && Column == RHS->getColumn() &&
Scope == RHS->getRawScope() && InlinedAt == RHS->getRawInlinedAt();
}
unsigned getHashValue() const {
return hash_combine(Line, Column, Scope, InlinedAt);
}
};
/// \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);
}
unsigned getHashValue() const { return hash_combine(getHash(), Tag, Header); }
static unsigned calculateHash(GenericDebugNode *N) {
return MDNodeOpsKey::calculateHash(N, 1);
}
};
template <> struct MDNodeKeyImpl<MDSubrange> {
int64_t Count;
int64_t LowerBound;
MDNodeKeyImpl(int64_t Count, int64_t LowerBound)
: Count(Count), LowerBound(LowerBound) {}
MDNodeKeyImpl(const MDSubrange *N)
: Count(N->getCount()), LowerBound(N->getLowerBound()) {}
bool isKeyOf(const MDSubrange *RHS) const {
return Count == RHS->getCount() && LowerBound == RHS->getLowerBound();
}
unsigned getHashValue() const { return hash_combine(Count, LowerBound); }
};
template <> struct MDNodeKeyImpl<MDEnumerator> {
int64_t Value;
StringRef Name;
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->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 MDDerivedType *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();
}
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->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 MDCompositeType *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<MDSubroutineType> {
unsigned Flags;
Metadata *TypeArray;
MDNodeKeyImpl(int64_t Flags, Metadata *TypeArray)
: Flags(Flags), TypeArray(TypeArray) {}
MDNodeKeyImpl(const MDSubroutineType *N)
: Flags(N->getFlags()), TypeArray(N->getRawTypeArray()) {}
bool isKeyOf(const MDSubroutineType *RHS) const {
return Flags == RHS->getFlags() && TypeArray == RHS->getRawTypeArray();
}
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->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()) {}
bool isKeyOf(const MDCompileUnit *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();
}
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->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 MDSubprogram *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<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->getRawScope()), File(N->getRawFile()), Line(N->getLine()),
Column(N->getColumn()) {}
bool isKeyOf(const MDLexicalBlock *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<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->getRawScope()), File(N->getRawFile()),
Discriminator(N->getDiscriminator()) {}
bool isKeyOf(const MDLexicalBlockFile *RHS) const {
return Scope == RHS->getRawScope() && File == RHS->getRawFile() &&
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->getRawScope()), File(N->getRawFile()), Name(N->getName()),
Line(N->getLine()) {}
bool isKeyOf(const MDNamespace *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<MDTemplateTypeParameter> {
StringRef Name;
Metadata *Type;
MDNodeKeyImpl(StringRef Name, Metadata *Type) : Name(Name), Type(Type) {}
MDNodeKeyImpl(const MDTemplateTypeParameter *N)
: Name(N->getName()), Type(N->getRawType()) {}
bool isKeyOf(const MDTemplateTypeParameter *RHS) const {
return Name == RHS->getName() && Type == RHS->getRawType();
}
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->getRawType()),
Value(N->getValue()) {}
bool isKeyOf(const MDTemplateValueParameter *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<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->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 MDGlobalVariable *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<MDLocalVariable> {
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 MDLocalVariable *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 MDLocalVariable *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<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->getRawFile()), Line(N->getLine()),
GetterName(N->getGetterName()), SetterName(N->getSetterName()),
Attributes(N->getAttributes()), Type(N->getRawType()) {}
bool isKeyOf(const MDObjCProperty *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<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->getRawScope()), Entity(N->getRawEntity()),
Line(N->getLine()), Name(N->getName()) {}
bool isKeyOf(const MDImportedEntity *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"
class LLVMContextImpl {
public:
/// OwnedModules - The set of modules instantiated in this context, and which
/// will be automatically deleted if this context is deleted.
SmallPtrSet<Module*, 4> OwnedModules;
LLVMContext::InlineAsmDiagHandlerTy InlineAsmDiagHandler;
void *InlineAsmDiagContext;
LLVMContext::DiagnosticHandlerTy DiagnosticHandler;
void *DiagnosticContext;
bool RespectDiagnosticFilters;
LLVMContext::YieldCallbackTy YieldCallback;
void *YieldOpaqueHandle;
typedef DenseMap<APInt, ConstantInt *, DenseMapAPIntKeyInfo> IntMapTy;
IntMapTy IntConstants;
typedef DenseMap<APFloat, ConstantFP *, DenseMapAPFloatKeyInfo> FPMapTy;
FPMapTy FPConstants;
FoldingSet<AttributeImpl> AttrsSet;
FoldingSet<AttributeSetImpl> AttrsLists;
FoldingSet<AttributeSetNode> AttrsSetNodes;
StringMap<MDString> MDStringCache;
DenseMap<Value *, ValueAsMetadata *> ValuesAsMetadata;
DenseMap<Metadata *, MetadataAsValue *> MetadataAsValues;
#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<MDNode *, 1> DistinctMDNodes;
DenseMap<Type*, ConstantAggregateZero*> CAZConstants;
typedef ConstantUniqueMap<ConstantArray> ArrayConstantsTy;
ArrayConstantsTy ArrayConstants;
typedef ConstantUniqueMap<ConstantStruct> StructConstantsTy;
StructConstantsTy StructConstants;
typedef ConstantUniqueMap<ConstantVector> VectorConstantsTy;
VectorConstantsTy VectorConstants;
DenseMap<PointerType*, ConstantPointerNull*> CPNConstants;
DenseMap<Type*, UndefValue*> UVConstants;
StringMap<ConstantDataSequential*> CDSConstants;
DenseMap<std::pair<const Function *, const BasicBlock *>, BlockAddress *>
BlockAddresses;
ConstantUniqueMap<ConstantExpr> ExprConstants;
ConstantUniqueMap<InlineAsm> InlineAsms;
ConstantInt *TheTrueVal;
ConstantInt *TheFalseVal;
// Basic type instances.
Type VoidTy, LabelTy, HalfTy, FloatTy, DoubleTy, MetadataTy;
Type X86_FP80Ty, FP128Ty, PPC_FP128Ty, X86_MMXTy;
IntegerType Int1Ty, Int8Ty, Int16Ty, Int32Ty, Int64Ty, Int128Ty;
/// TypeAllocator - All dynamically allocated types are allocated from this.
/// They live forever until the context is torn down.
BumpPtrAllocator TypeAllocator;
DenseMap<unsigned, IntegerType*> IntegerTypes;
typedef DenseSet<FunctionType *, FunctionTypeKeyInfo> FunctionTypeSet;
FunctionTypeSet FunctionTypes;
typedef DenseSet<StructType *, AnonStructTypeKeyInfo> StructTypeSet;
StructTypeSet AnonStructTypes;
StringMap<StructType*> NamedStructTypes;
unsigned NamedStructTypesUniqueID;
DenseMap<std::pair<Type *, uint64_t>, ArrayType*> ArrayTypes;
DenseMap<std::pair<Type *, unsigned>, VectorType*> VectorTypes;
DenseMap<Type*, PointerType*> PointerTypes; // Pointers in AddrSpace = 0
DenseMap<std::pair<Type*, unsigned>, PointerType*> ASPointerTypes;
/// ValueHandles - This map keeps track of all of the value handles that are
/// watching a Value*. The Value::HasValueHandle bit is used to know
/// whether or not a value has an entry in this map.
typedef DenseMap<Value*, ValueHandleBase*> ValueHandlesTy;
ValueHandlesTy ValueHandles;
/// CustomMDKindNames - Map to hold the metadata string to ID mapping.
StringMap<unsigned> CustomMDKindNames;
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;
/// 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;
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();
};
}
#endif
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