1 //===-- LLVMContextImpl.h - The LLVMContextImpl opaque class ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares LLVMContextImpl, the opaque implementation
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_LIB_IR_LLVMCONTEXTIMPL_H
16 #define LLVM_LIB_IR_LLVMCONTEXTIMPL_H
18 #include "AttributeImpl.h"
19 #include "ConstantsContext.h"
20 #include "llvm/ADT/APFloat.h"
21 #include "llvm/ADT/APInt.h"
22 #include "llvm/ADT/ArrayRef.h"
23 #include "llvm/ADT/DenseMap.h"
24 #include "llvm/ADT/DenseSet.h"
25 #include "llvm/ADT/FoldingSet.h"
26 #include "llvm/ADT/Hashing.h"
27 #include "llvm/ADT/SmallPtrSet.h"
28 #include "llvm/ADT/StringMap.h"
29 #include "llvm/IR/Constants.h"
30 #include "llvm/IR/DebugInfoMetadata.h"
31 #include "llvm/IR/DerivedTypes.h"
32 #include "llvm/IR/LLVMContext.h"
33 #include "llvm/IR/Metadata.h"
34 #include "llvm/IR/ValueHandle.h"
41 class DiagnosticInfoOptimizationRemark;
42 class DiagnosticInfoOptimizationRemarkMissed;
43 class DiagnosticInfoOptimizationRemarkAnalysis;
49 struct DenseMapAPIntKeyInfo {
50 static inline APInt getEmptyKey() {
55 static inline APInt getTombstoneKey() {
60 static unsigned getHashValue(const APInt &Key) {
61 return static_cast<unsigned>(hash_value(Key));
63 static bool isEqual(const APInt &LHS, const APInt &RHS) {
64 return LHS.getBitWidth() == RHS.getBitWidth() && LHS == RHS;
68 struct DenseMapAPFloatKeyInfo {
69 static inline APFloat getEmptyKey() { return APFloat(APFloat::Bogus, 1); }
70 static inline APFloat getTombstoneKey() { return APFloat(APFloat::Bogus, 2); }
71 static unsigned getHashValue(const APFloat &Key) {
72 return static_cast<unsigned>(hash_value(Key));
74 static bool isEqual(const APFloat &LHS, const APFloat &RHS) {
75 return LHS.bitwiseIsEqual(RHS);
79 struct AnonStructTypeKeyInfo {
81 ArrayRef<Type*> ETypes;
83 KeyTy(const ArrayRef<Type*>& E, bool P) :
84 ETypes(E), isPacked(P) {}
85 KeyTy(const StructType *ST)
86 : ETypes(ST->elements()), isPacked(ST->isPacked()) {}
87 bool operator==(const KeyTy& that) const {
88 if (isPacked != that.isPacked)
90 if (ETypes != that.ETypes)
94 bool operator!=(const KeyTy& that) const {
95 return !this->operator==(that);
98 static inline StructType* getEmptyKey() {
99 return DenseMapInfo<StructType*>::getEmptyKey();
101 static inline StructType* getTombstoneKey() {
102 return DenseMapInfo<StructType*>::getTombstoneKey();
104 static unsigned getHashValue(const KeyTy& Key) {
105 return hash_combine(hash_combine_range(Key.ETypes.begin(),
109 static unsigned getHashValue(const StructType *ST) {
110 return getHashValue(KeyTy(ST));
112 static bool isEqual(const KeyTy& LHS, const StructType *RHS) {
113 if (RHS == getEmptyKey() || RHS == getTombstoneKey())
115 return LHS == KeyTy(RHS);
117 static bool isEqual(const StructType *LHS, const StructType *RHS) {
122 struct FunctionTypeKeyInfo {
124 const Type *ReturnType;
125 ArrayRef<Type*> Params;
127 KeyTy(const Type* R, const ArrayRef<Type*>& P, bool V) :
128 ReturnType(R), Params(P), isVarArg(V) {}
129 KeyTy(const FunctionType *FT)
130 : ReturnType(FT->getReturnType()), Params(FT->params()),
131 isVarArg(FT->isVarArg()) {}
132 bool operator==(const KeyTy& that) const {
133 if (ReturnType != that.ReturnType)
135 if (isVarArg != that.isVarArg)
137 if (Params != that.Params)
141 bool operator!=(const KeyTy& that) const {
142 return !this->operator==(that);
145 static inline FunctionType* getEmptyKey() {
146 return DenseMapInfo<FunctionType*>::getEmptyKey();
148 static inline FunctionType* getTombstoneKey() {
149 return DenseMapInfo<FunctionType*>::getTombstoneKey();
151 static unsigned getHashValue(const KeyTy& Key) {
152 return hash_combine(Key.ReturnType,
153 hash_combine_range(Key.Params.begin(),
157 static unsigned getHashValue(const FunctionType *FT) {
158 return getHashValue(KeyTy(FT));
160 static bool isEqual(const KeyTy& LHS, const FunctionType *RHS) {
161 if (RHS == getEmptyKey() || RHS == getTombstoneKey())
163 return LHS == KeyTy(RHS);
165 static bool isEqual(const FunctionType *LHS, const FunctionType *RHS) {
170 /// \brief Structure for hashing arbitrary MDNode operands.
172 ArrayRef<Metadata *> RawOps;
173 ArrayRef<MDOperand> Ops;
178 MDNodeOpsKey(ArrayRef<Metadata *> Ops)
179 : RawOps(Ops), Hash(calculateHash(Ops)) {}
181 template <class NodeTy>
182 MDNodeOpsKey(const NodeTy *N, unsigned Offset = 0)
183 : Ops(N->op_begin() + Offset, N->op_end()), Hash(N->getHash()) {}
185 template <class NodeTy>
186 bool compareOps(const NodeTy *RHS, unsigned Offset = 0) const {
187 if (getHash() != RHS->getHash())
190 assert((RawOps.empty() || Ops.empty()) && "Two sets of operands?");
191 return RawOps.empty() ? compareOps(Ops, RHS, Offset)
192 : compareOps(RawOps, RHS, Offset);
195 static unsigned calculateHash(MDNode *N, unsigned Offset = 0);
199 static bool compareOps(ArrayRef<T> Ops, const MDNode *RHS, unsigned Offset) {
200 if (Ops.size() != RHS->getNumOperands() - Offset)
202 return std::equal(Ops.begin(), Ops.end(), RHS->op_begin() + Offset);
205 static unsigned calculateHash(ArrayRef<Metadata *> Ops);
208 unsigned getHash() const { return Hash; }
211 template <class NodeTy> struct MDNodeKeyImpl;
212 template <class NodeTy> struct MDNodeInfo;
214 /// \brief DenseMapInfo for MDTuple.
216 /// Note that we don't need the is-function-local bit, since that's implicit in
218 template <> struct MDNodeKeyImpl<MDTuple> : MDNodeOpsKey {
219 MDNodeKeyImpl(ArrayRef<Metadata *> Ops) : MDNodeOpsKey(Ops) {}
220 MDNodeKeyImpl(const MDTuple *N) : MDNodeOpsKey(N) {}
222 bool isKeyOf(const MDTuple *RHS) const { return compareOps(RHS); }
224 unsigned getHashValue() const { return getHash(); }
226 static unsigned calculateHash(MDTuple *N) {
227 return MDNodeOpsKey::calculateHash(N);
231 /// \brief DenseMapInfo for MDLocation.
232 template <> struct MDNodeKeyImpl<MDLocation> {
238 MDNodeKeyImpl(unsigned Line, unsigned Column, Metadata *Scope,
240 : Line(Line), Column(Column), Scope(Scope), InlinedAt(InlinedAt) {}
242 MDNodeKeyImpl(const MDLocation *L)
243 : Line(L->getLine()), Column(L->getColumn()), Scope(L->getRawScope()),
244 InlinedAt(L->getRawInlinedAt()) {}
246 bool isKeyOf(const MDLocation *RHS) const {
247 return Line == RHS->getLine() && Column == RHS->getColumn() &&
248 Scope == RHS->getRawScope() && InlinedAt == RHS->getRawInlinedAt();
250 unsigned getHashValue() const {
251 return hash_combine(Line, Column, Scope, InlinedAt);
255 /// \brief DenseMapInfo for GenericDebugNode.
256 template <> struct MDNodeKeyImpl<GenericDebugNode> : MDNodeOpsKey {
259 MDNodeKeyImpl(unsigned Tag, StringRef Header, ArrayRef<Metadata *> DwarfOps)
260 : MDNodeOpsKey(DwarfOps), Tag(Tag), Header(Header) {}
261 MDNodeKeyImpl(const GenericDebugNode *N)
262 : MDNodeOpsKey(N, 1), Tag(N->getTag()), Header(N->getHeader()) {}
264 bool isKeyOf(const GenericDebugNode *RHS) const {
265 return Tag == RHS->getTag() && Header == RHS->getHeader() &&
269 unsigned getHashValue() const { return hash_combine(getHash(), Tag, Header); }
271 static unsigned calculateHash(GenericDebugNode *N) {
272 return MDNodeOpsKey::calculateHash(N, 1);
276 template <> struct MDNodeKeyImpl<MDSubrange> {
280 MDNodeKeyImpl(int64_t Count, int64_t Lo) : Count(Count), Lo(Lo) {}
281 MDNodeKeyImpl(const MDSubrange *N) : Count(N->getCount()), Lo(N->getLo()) {}
283 bool isKeyOf(const MDSubrange *RHS) const {
284 return Count == RHS->getCount() && Lo == RHS->getLo();
286 unsigned getHashValue() const { return hash_combine(Count, Lo); }
289 template <> struct MDNodeKeyImpl<MDEnumerator> {
293 MDNodeKeyImpl(int64_t Value, StringRef Name) : Value(Value), Name(Name) {}
294 MDNodeKeyImpl(const MDEnumerator *N)
295 : Value(N->getValue()), Name(N->getName()) {}
297 bool isKeyOf(const MDEnumerator *RHS) const {
298 return Value == RHS->getValue() && Name == RHS->getName();
300 unsigned getHashValue() const { return hash_combine(Value, Name); }
303 template <> struct MDNodeKeyImpl<MDBasicType> {
307 uint64_t AlignInBits;
310 MDNodeKeyImpl(unsigned Tag, StringRef Name, uint64_t SizeInBits,
311 uint64_t AlignInBits, unsigned Encoding)
312 : Tag(Tag), Name(Name), SizeInBits(SizeInBits), AlignInBits(AlignInBits),
313 Encoding(Encoding) {}
314 MDNodeKeyImpl(const MDBasicType *N)
315 : Tag(N->getTag()), Name(N->getName()), SizeInBits(N->getSizeInBits()),
316 AlignInBits(N->getAlignInBits()), Encoding(N->getEncoding()) {}
318 bool isKeyOf(const MDBasicType *RHS) const {
319 return Tag == RHS->getTag() && Name == RHS->getName() &&
320 SizeInBits == RHS->getSizeInBits() &&
321 AlignInBits == RHS->getAlignInBits() &&
322 Encoding == RHS->getEncoding();
324 unsigned getHashValue() const {
325 return hash_combine(Tag, Name, SizeInBits, AlignInBits, Encoding);
329 template <> struct MDNodeKeyImpl<MDDerivedType> {
337 uint64_t AlignInBits;
338 uint64_t OffsetInBits;
342 MDNodeKeyImpl(unsigned Tag, StringRef Name, Metadata *File, unsigned Line,
343 Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
344 uint64_t AlignInBits, uint64_t OffsetInBits, unsigned Flags,
346 : Tag(Tag), Name(Name), File(File), Line(Line), Scope(Scope),
347 BaseType(BaseType), SizeInBits(SizeInBits), AlignInBits(AlignInBits),
348 OffsetInBits(OffsetInBits), Flags(Flags), ExtraData(ExtraData) {}
349 MDNodeKeyImpl(const MDDerivedType *N)
350 : Tag(N->getTag()), Name(N->getName()), File(N->getRawFile()),
351 Line(N->getLine()), Scope(N->getRawScope()),
352 BaseType(N->getRawBaseType()), SizeInBits(N->getSizeInBits()),
353 AlignInBits(N->getAlignInBits()), OffsetInBits(N->getOffsetInBits()),
354 Flags(N->getFlags()), ExtraData(N->getRawExtraData()) {}
356 bool isKeyOf(const MDDerivedType *RHS) const {
357 return Tag == RHS->getTag() && Name == RHS->getName() &&
358 File == RHS->getRawFile() && Line == RHS->getLine() &&
359 Scope == RHS->getRawScope() && BaseType == RHS->getRawBaseType() &&
360 SizeInBits == RHS->getSizeInBits() &&
361 AlignInBits == RHS->getAlignInBits() &&
362 OffsetInBits == RHS->getOffsetInBits() && Flags == RHS->getFlags() &&
363 ExtraData == RHS->getRawExtraData();
365 unsigned getHashValue() const {
366 return hash_combine(Tag, Name, File, Line, Scope, BaseType, SizeInBits,
367 AlignInBits, OffsetInBits, Flags, ExtraData);
371 template <> struct MDNodeKeyImpl<MDCompositeType> {
379 uint64_t AlignInBits;
380 uint64_t OffsetInBits;
383 unsigned RuntimeLang;
384 Metadata *VTableHolder;
385 Metadata *TemplateParams;
386 StringRef Identifier;
388 MDNodeKeyImpl(unsigned Tag, StringRef Name, Metadata *File, unsigned Line,
389 Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
390 uint64_t AlignInBits, uint64_t OffsetInBits, unsigned Flags,
391 Metadata *Elements, unsigned RuntimeLang,
392 Metadata *VTableHolder, Metadata *TemplateParams,
393 StringRef Identifier)
394 : Tag(Tag), Name(Name), File(File), Line(Line), Scope(Scope),
395 BaseType(BaseType), SizeInBits(SizeInBits), AlignInBits(AlignInBits),
396 OffsetInBits(OffsetInBits), Flags(Flags), Elements(Elements),
397 RuntimeLang(RuntimeLang), VTableHolder(VTableHolder),
398 TemplateParams(TemplateParams), Identifier(Identifier) {}
399 MDNodeKeyImpl(const MDCompositeType *N)
400 : Tag(N->getTag()), Name(N->getName()), File(N->getRawFile()),
401 Line(N->getLine()), Scope(N->getRawScope()),
402 BaseType(N->getRawBaseType()), SizeInBits(N->getSizeInBits()),
403 AlignInBits(N->getAlignInBits()), OffsetInBits(N->getOffsetInBits()),
404 Flags(N->getFlags()), Elements(N->getRawElements()),
405 RuntimeLang(N->getRuntimeLang()), VTableHolder(N->getRawVTableHolder()),
406 TemplateParams(N->getRawTemplateParams()),
407 Identifier(N->getIdentifier()) {}
409 bool isKeyOf(const MDCompositeType *RHS) const {
410 return Tag == RHS->getTag() && Name == RHS->getName() &&
411 File == RHS->getRawFile() && Line == RHS->getLine() &&
412 Scope == RHS->getRawScope() && BaseType == RHS->getRawBaseType() &&
413 SizeInBits == RHS->getSizeInBits() &&
414 AlignInBits == RHS->getAlignInBits() &&
415 OffsetInBits == RHS->getOffsetInBits() && Flags == RHS->getFlags() &&
416 Elements == RHS->getRawElements() &&
417 RuntimeLang == RHS->getRuntimeLang() &&
418 VTableHolder == RHS->getRawVTableHolder() &&
419 TemplateParams == RHS->getRawTemplateParams() &&
420 Identifier == RHS->getIdentifier();
422 unsigned getHashValue() const {
423 return hash_combine(Tag, Name, File, Line, Scope, BaseType, SizeInBits,
424 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
425 VTableHolder, TemplateParams, Identifier);
429 template <> struct MDNodeKeyImpl<MDSubroutineType> {
433 MDNodeKeyImpl(int64_t Flags, Metadata *TypeArray)
434 : Flags(Flags), TypeArray(TypeArray) {}
435 MDNodeKeyImpl(const MDSubroutineType *N)
436 : Flags(N->getFlags()), TypeArray(N->getRawTypeArray()) {}
438 bool isKeyOf(const MDSubroutineType *RHS) const {
439 return Flags == RHS->getFlags() && TypeArray == RHS->getRawTypeArray();
441 unsigned getHashValue() const { return hash_combine(Flags, TypeArray); }
444 template <> struct MDNodeKeyImpl<MDFile> {
448 MDNodeKeyImpl(StringRef Filename, StringRef Directory)
449 : Filename(Filename), Directory(Directory) {}
450 MDNodeKeyImpl(const MDFile *N)
451 : Filename(N->getFilename()), Directory(N->getDirectory()) {}
453 bool isKeyOf(const MDFile *RHS) const {
454 return Filename == RHS->getFilename() && Directory == RHS->getDirectory();
456 unsigned getHashValue() const { return hash_combine(Filename, Directory); }
459 template <> struct MDNodeKeyImpl<MDCompileUnit> {
460 unsigned SourceLanguage;
465 unsigned RuntimeVersion;
466 StringRef SplitDebugFilename;
467 unsigned EmissionKind;
469 Metadata *RetainedTypes;
470 Metadata *Subprograms;
471 Metadata *GlobalVariables;
472 Metadata *ImportedEntities;
474 MDNodeKeyImpl(unsigned SourceLanguage, Metadata *File, StringRef Producer,
475 bool IsOptimized, StringRef Flags, unsigned RuntimeVersion,
476 StringRef SplitDebugFilename, unsigned EmissionKind,
477 Metadata *EnumTypes, Metadata *RetainedTypes,
478 Metadata *Subprograms, Metadata *GlobalVariables,
479 Metadata *ImportedEntities)
480 : SourceLanguage(SourceLanguage), File(File), Producer(Producer),
481 IsOptimized(IsOptimized), Flags(Flags), RuntimeVersion(RuntimeVersion),
482 SplitDebugFilename(SplitDebugFilename), EmissionKind(EmissionKind),
483 EnumTypes(EnumTypes), RetainedTypes(RetainedTypes),
484 Subprograms(Subprograms), GlobalVariables(GlobalVariables),
485 ImportedEntities(ImportedEntities) {}
486 MDNodeKeyImpl(const MDCompileUnit *N)
487 : SourceLanguage(N->getSourceLanguage()), File(N->getRawFile()),
488 Producer(N->getProducer()), IsOptimized(N->isOptimized()),
489 Flags(N->getFlags()), RuntimeVersion(N->getRuntimeVersion()),
490 SplitDebugFilename(N->getSplitDebugFilename()),
491 EmissionKind(N->getEmissionKind()), EnumTypes(N->getRawEnumTypes()),
492 RetainedTypes(N->getRawRetainedTypes()),
493 Subprograms(N->getRawSubprograms()),
494 GlobalVariables(N->getRawGlobalVariables()),
495 ImportedEntities(N->getRawImportedEntities()) {}
497 bool isKeyOf(const MDCompileUnit *RHS) const {
498 return SourceLanguage == RHS->getSourceLanguage() &&
499 File == RHS->getRawFile() && Producer == RHS->getProducer() &&
500 IsOptimized == RHS->isOptimized() && Flags == RHS->getFlags() &&
501 RuntimeVersion == RHS->getRuntimeVersion() &&
502 SplitDebugFilename == RHS->getSplitDebugFilename() &&
503 EmissionKind == RHS->getEmissionKind() &&
504 EnumTypes == RHS->getRawEnumTypes() &&
505 RetainedTypes == RHS->getRawRetainedTypes() &&
506 Subprograms == RHS->getRawSubprograms() &&
507 GlobalVariables == RHS->getRawGlobalVariables() &&
508 ImportedEntities == RHS->getRawImportedEntities();
510 unsigned getHashValue() const {
511 return hash_combine(SourceLanguage, File, Producer, IsOptimized, Flags,
512 RuntimeVersion, SplitDebugFilename, EmissionKind,
513 EnumTypes, RetainedTypes, Subprograms, GlobalVariables,
518 template <> struct MDNodeKeyImpl<MDSubprogram> {
521 StringRef LinkageName;
528 Metadata *ContainingType;
530 unsigned VirtualIndex;
534 Metadata *TemplateParams;
535 Metadata *Declaration;
538 MDNodeKeyImpl(Metadata *Scope, StringRef Name, StringRef LinkageName,
539 Metadata *File, unsigned Line, Metadata *Type,
540 bool IsLocalToUnit, bool IsDefinition, unsigned ScopeLine,
541 Metadata *ContainingType, unsigned Virtuality,
542 unsigned VirtualIndex, unsigned Flags, bool IsOptimized,
543 Metadata *Function, Metadata *TemplateParams,
544 Metadata *Declaration, Metadata *Variables)
545 : Scope(Scope), Name(Name), LinkageName(LinkageName), File(File),
546 Line(Line), Type(Type), IsLocalToUnit(IsLocalToUnit),
547 IsDefinition(IsDefinition), ScopeLine(ScopeLine),
548 ContainingType(ContainingType), Virtuality(Virtuality),
549 VirtualIndex(VirtualIndex), Flags(Flags), IsOptimized(IsOptimized),
550 Function(Function), TemplateParams(TemplateParams),
551 Declaration(Declaration), Variables(Variables) {}
552 MDNodeKeyImpl(const MDSubprogram *N)
553 : Scope(N->getScope()), Name(N->getName()),
554 LinkageName(N->getLinkageName()), File(N->getFile()),
555 Line(N->getLine()), Type(N->getType()),
556 IsLocalToUnit(N->isLocalToUnit()), IsDefinition(N->isDefinition()),
557 ScopeLine(N->getScopeLine()), ContainingType(N->getContainingType()),
558 Virtuality(N->getVirtuality()), VirtualIndex(N->getVirtualIndex()),
559 Flags(N->getFlags()), IsOptimized(N->isOptimized()),
560 Function(N->getFunction()), TemplateParams(N->getTemplateParams()),
561 Declaration(N->getDeclaration()), Variables(N->getVariables()) {}
563 bool isKeyOf(const MDSubprogram *RHS) const {
564 return Scope == RHS->getScope() && Name == RHS->getName() &&
565 LinkageName == RHS->getLinkageName() && File == RHS->getFile() &&
566 Line == RHS->getLine() && Type == RHS->getType() &&
567 IsLocalToUnit == RHS->isLocalToUnit() &&
568 IsDefinition == RHS->isDefinition() &&
569 ScopeLine == RHS->getScopeLine() &&
570 ContainingType == RHS->getContainingType() &&
571 Virtuality == RHS->getVirtuality() &&
572 VirtualIndex == RHS->getVirtualIndex() && Flags == RHS->getFlags() &&
573 IsOptimized == RHS->isOptimized() &&
574 Function == RHS->getFunction() &&
575 TemplateParams == RHS->getTemplateParams() &&
576 Declaration == RHS->getDeclaration() &&
577 Variables == RHS->getVariables();
579 unsigned getHashValue() const {
580 return hash_combine(Scope, Name, LinkageName, File, Line, Type,
581 IsLocalToUnit, IsDefinition, ScopeLine, ContainingType,
582 Virtuality, VirtualIndex, Flags, IsOptimized, Function,
583 TemplateParams, Declaration, Variables);
587 template <> struct MDNodeKeyImpl<MDLexicalBlock> {
593 MDNodeKeyImpl(Metadata *Scope, Metadata *File, unsigned Line, unsigned Column)
594 : Scope(Scope), File(File), Line(Line), Column(Column) {}
595 MDNodeKeyImpl(const MDLexicalBlock *N)
596 : Scope(N->getScope()), File(N->getFile()), Line(N->getLine()),
597 Column(N->getColumn()) {}
599 bool isKeyOf(const MDLexicalBlock *RHS) const {
600 return Scope == RHS->getScope() && File == RHS->getFile() &&
601 Line == RHS->getLine() && Column == RHS->getColumn();
603 unsigned getHashValue() const {
604 return hash_combine(Scope, File, Line, Column);
608 template <> struct MDNodeKeyImpl<MDLexicalBlockFile> {
611 unsigned Discriminator;
613 MDNodeKeyImpl(Metadata *Scope, Metadata *File, unsigned Discriminator)
614 : Scope(Scope), File(File), Discriminator(Discriminator) {}
615 MDNodeKeyImpl(const MDLexicalBlockFile *N)
616 : Scope(N->getScope()), File(N->getFile()),
617 Discriminator(N->getDiscriminator()) {}
619 bool isKeyOf(const MDLexicalBlockFile *RHS) const {
620 return Scope == RHS->getScope() && File == RHS->getFile() &&
621 Discriminator == RHS->getDiscriminator();
623 unsigned getHashValue() const {
624 return hash_combine(Scope, File, Discriminator);
628 template <> struct MDNodeKeyImpl<MDNamespace> {
634 MDNodeKeyImpl(Metadata *Scope, Metadata *File, StringRef Name, unsigned Line)
635 : Scope(Scope), File(File), Name(Name), Line(Line) {}
636 MDNodeKeyImpl(const MDNamespace *N)
637 : Scope(N->getScope()), File(N->getFile()), Name(N->getName()),
638 Line(N->getLine()) {}
640 bool isKeyOf(const MDNamespace *RHS) const {
641 return Scope == RHS->getScope() && File == RHS->getFile() &&
642 Name == RHS->getName() && Line == RHS->getLine();
644 unsigned getHashValue() const {
645 return hash_combine(Scope, File, Name, Line);
649 template <> struct MDNodeKeyImpl<MDTemplateTypeParameter> {
653 MDNodeKeyImpl(StringRef Name, Metadata *Type) : Name(Name), Type(Type) {}
654 MDNodeKeyImpl(const MDTemplateTypeParameter *N)
655 : Name(N->getName()), Type(N->getType()) {}
657 bool isKeyOf(const MDTemplateTypeParameter *RHS) const {
658 return Name == RHS->getName() && Type == RHS->getType();
660 unsigned getHashValue() const { return hash_combine(Name, Type); }
663 template <> struct MDNodeKeyImpl<MDTemplateValueParameter> {
669 MDNodeKeyImpl(unsigned Tag, StringRef Name, Metadata *Type, Metadata *Value)
670 : Tag(Tag), Name(Name), Type(Type), Value(Value) {}
671 MDNodeKeyImpl(const MDTemplateValueParameter *N)
672 : Tag(N->getTag()), Name(N->getName()), Type(N->getType()),
673 Value(N->getValue()) {}
675 bool isKeyOf(const MDTemplateValueParameter *RHS) const {
676 return Tag == RHS->getTag() && Name == RHS->getName() &&
677 Type == RHS->getType() && Value == RHS->getValue();
679 unsigned getHashValue() const { return hash_combine(Tag, Name, Type, Value); }
682 template <> struct MDNodeKeyImpl<MDGlobalVariable> {
685 StringRef LinkageName;
692 Metadata *StaticDataMemberDeclaration;
694 MDNodeKeyImpl(Metadata *Scope, StringRef Name, StringRef LinkageName,
695 Metadata *File, unsigned Line, Metadata *Type,
696 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
697 Metadata *StaticDataMemberDeclaration)
698 : Scope(Scope), Name(Name), LinkageName(LinkageName), File(File),
699 Line(Line), Type(Type), IsLocalToUnit(IsLocalToUnit),
700 IsDefinition(IsDefinition), Variable(Variable),
701 StaticDataMemberDeclaration(StaticDataMemberDeclaration) {}
702 MDNodeKeyImpl(const MDGlobalVariable *N)
703 : Scope(N->getRawScope()), Name(N->getName()),
704 LinkageName(N->getLinkageName()), File(N->getRawFile()),
705 Line(N->getLine()), Type(N->getRawType()),
706 IsLocalToUnit(N->isLocalToUnit()), IsDefinition(N->isDefinition()),
707 Variable(N->getRawVariable()),
708 StaticDataMemberDeclaration(N->getRawStaticDataMemberDeclaration()) {}
710 bool isKeyOf(const MDGlobalVariable *RHS) const {
711 return Scope == RHS->getRawScope() && Name == RHS->getName() &&
712 LinkageName == RHS->getLinkageName() && File == RHS->getRawFile() &&
713 Line == RHS->getLine() && Type == RHS->getRawType() &&
714 IsLocalToUnit == RHS->isLocalToUnit() &&
715 IsDefinition == RHS->isDefinition() &&
716 Variable == RHS->getRawVariable() &&
717 StaticDataMemberDeclaration ==
718 RHS->getRawStaticDataMemberDeclaration();
720 unsigned getHashValue() const {
721 return hash_combine(Scope, Name, LinkageName, File, Line, Type,
722 IsLocalToUnit, IsDefinition, Variable,
723 StaticDataMemberDeclaration);
727 template <> struct MDNodeKeyImpl<MDLocalVariable> {
738 MDNodeKeyImpl(unsigned Tag, Metadata *Scope, StringRef Name, Metadata *File,
739 unsigned Line, Metadata *Type, unsigned Arg, unsigned Flags,
741 : Tag(Tag), Scope(Scope), Name(Name), File(File), Line(Line), Type(Type),
742 Arg(Arg), Flags(Flags), InlinedAt(InlinedAt) {}
743 MDNodeKeyImpl(const MDLocalVariable *N)
744 : Tag(N->getTag()), Scope(N->getRawScope()), Name(N->getName()),
745 File(N->getRawFile()), Line(N->getLine()), Type(N->getRawType()),
746 Arg(N->getArg()), Flags(N->getFlags()),
747 InlinedAt(N->getRawInlinedAt()) {}
749 bool isKeyOf(const MDLocalVariable *RHS) const {
750 return Tag == RHS->getTag() && Scope == RHS->getRawScope() &&
751 Name == RHS->getName() && File == RHS->getRawFile() &&
752 Line == RHS->getLine() && Type == RHS->getRawType() &&
753 Arg == RHS->getArg() && Flags == RHS->getFlags() &&
754 InlinedAt == RHS->getRawInlinedAt();
756 unsigned getHashValue() const {
757 return hash_combine(Tag, Scope, Name, File, Line, Type, Arg, Flags,
762 template <> struct MDNodeKeyImpl<MDExpression> {
763 ArrayRef<uint64_t> Elements;
765 MDNodeKeyImpl(ArrayRef<uint64_t> Elements) : Elements(Elements) {}
766 MDNodeKeyImpl(const MDExpression *N) : Elements(N->getElements()) {}
768 bool isKeyOf(const MDExpression *RHS) const {
769 return Elements == RHS->getElements();
771 unsigned getHashValue() const {
772 return hash_combine_range(Elements.begin(), Elements.end());
776 template <> struct MDNodeKeyImpl<MDObjCProperty> {
780 StringRef GetterName;
781 StringRef SetterName;
785 MDNodeKeyImpl(StringRef Name, Metadata *File, unsigned Line,
786 StringRef GetterName, StringRef SetterName, unsigned Attributes,
788 : Name(Name), File(File), Line(Line), GetterName(GetterName),
789 SetterName(SetterName), Attributes(Attributes), Type(Type) {}
790 MDNodeKeyImpl(const MDObjCProperty *N)
791 : Name(N->getName()), File(N->getFile()), Line(N->getLine()),
792 GetterName(N->getGetterName()), SetterName(N->getSetterName()),
793 Attributes(N->getAttributes()), Type(N->getType()) {}
795 bool isKeyOf(const MDObjCProperty *RHS) const {
796 return Name == RHS->getName() && File == RHS->getFile() &&
797 Line == RHS->getLine() && GetterName == RHS->getGetterName() &&
798 SetterName == RHS->getSetterName() &&
799 Attributes == RHS->getAttributes() && Type == RHS->getType();
801 unsigned getHashValue() const {
802 return hash_combine(Name, File, Line, GetterName, SetterName, Attributes,
807 template <> struct MDNodeKeyImpl<MDImportedEntity> {
814 MDNodeKeyImpl(unsigned Tag, Metadata *Scope, Metadata *Entity, unsigned Line,
816 : Tag(Tag), Scope(Scope), Entity(Entity), Line(Line), Name(Name) {}
817 MDNodeKeyImpl(const MDImportedEntity *N)
818 : Tag(N->getTag()), Scope(N->getScope()), Entity(N->getEntity()),
819 Line(N->getLine()), Name(N->getName()) {}
821 bool isKeyOf(const MDImportedEntity *RHS) const {
822 return Tag == RHS->getTag() && Scope == RHS->getScope() &&
823 Entity == RHS->getEntity() && Line == RHS->getLine() &&
824 Name == RHS->getName();
826 unsigned getHashValue() const {
827 return hash_combine(Tag, Scope, Entity, Line, Name);
831 /// \brief DenseMapInfo for MDNode subclasses.
832 template <class NodeTy> struct MDNodeInfo {
833 typedef MDNodeKeyImpl<NodeTy> KeyTy;
834 static inline NodeTy *getEmptyKey() {
835 return DenseMapInfo<NodeTy *>::getEmptyKey();
837 static inline NodeTy *getTombstoneKey() {
838 return DenseMapInfo<NodeTy *>::getTombstoneKey();
840 static unsigned getHashValue(const KeyTy &Key) { return Key.getHashValue(); }
841 static unsigned getHashValue(const NodeTy *N) {
842 return KeyTy(N).getHashValue();
844 static bool isEqual(const KeyTy &LHS, const NodeTy *RHS) {
845 if (RHS == getEmptyKey() || RHS == getTombstoneKey())
847 return LHS.isKeyOf(RHS);
849 static bool isEqual(const NodeTy *LHS, const NodeTy *RHS) {
854 #define HANDLE_MDNODE_LEAF(CLASS) typedef MDNodeInfo<CLASS> CLASS##Info;
855 #include "llvm/IR/Metadata.def"
857 class LLVMContextImpl {
859 /// OwnedModules - The set of modules instantiated in this context, and which
860 /// will be automatically deleted if this context is deleted.
861 SmallPtrSet<Module*, 4> OwnedModules;
863 LLVMContext::InlineAsmDiagHandlerTy InlineAsmDiagHandler;
864 void *InlineAsmDiagContext;
866 LLVMContext::DiagnosticHandlerTy DiagnosticHandler;
867 void *DiagnosticContext;
868 bool RespectDiagnosticFilters;
870 LLVMContext::YieldCallbackTy YieldCallback;
871 void *YieldOpaqueHandle;
873 typedef DenseMap<APInt, ConstantInt *, DenseMapAPIntKeyInfo> IntMapTy;
874 IntMapTy IntConstants;
876 typedef DenseMap<APFloat, ConstantFP *, DenseMapAPFloatKeyInfo> FPMapTy;
879 FoldingSet<AttributeImpl> AttrsSet;
880 FoldingSet<AttributeSetImpl> AttrsLists;
881 FoldingSet<AttributeSetNode> AttrsSetNodes;
883 StringMap<MDString> MDStringCache;
884 DenseMap<Value *, ValueAsMetadata *> ValuesAsMetadata;
885 DenseMap<Metadata *, MetadataAsValue *> MetadataAsValues;
887 #define HANDLE_MDNODE_LEAF(CLASS) DenseSet<CLASS *, CLASS##Info> CLASS##s;
888 #include "llvm/IR/Metadata.def"
890 // MDNodes may be uniqued or not uniqued. When they're not uniqued, they
891 // aren't in the MDNodeSet, but they're still shared between objects, so no
892 // one object can destroy them. This set allows us to at least destroy them
893 // on Context destruction.
894 SmallPtrSet<MDNode *, 1> DistinctMDNodes;
896 DenseMap<Type*, ConstantAggregateZero*> CAZConstants;
898 typedef ConstantUniqueMap<ConstantArray> ArrayConstantsTy;
899 ArrayConstantsTy ArrayConstants;
901 typedef ConstantUniqueMap<ConstantStruct> StructConstantsTy;
902 StructConstantsTy StructConstants;
904 typedef ConstantUniqueMap<ConstantVector> VectorConstantsTy;
905 VectorConstantsTy VectorConstants;
907 DenseMap<PointerType*, ConstantPointerNull*> CPNConstants;
909 DenseMap<Type*, UndefValue*> UVConstants;
911 StringMap<ConstantDataSequential*> CDSConstants;
913 DenseMap<std::pair<const Function *, const BasicBlock *>, BlockAddress *>
915 ConstantUniqueMap<ConstantExpr> ExprConstants;
917 ConstantUniqueMap<InlineAsm> InlineAsms;
919 ConstantInt *TheTrueVal;
920 ConstantInt *TheFalseVal;
922 // Basic type instances.
923 Type VoidTy, LabelTy, HalfTy, FloatTy, DoubleTy, MetadataTy;
924 Type X86_FP80Ty, FP128Ty, PPC_FP128Ty, X86_MMXTy;
925 IntegerType Int1Ty, Int8Ty, Int16Ty, Int32Ty, Int64Ty;
928 /// TypeAllocator - All dynamically allocated types are allocated from this.
929 /// They live forever until the context is torn down.
930 BumpPtrAllocator TypeAllocator;
932 DenseMap<unsigned, IntegerType*> IntegerTypes;
934 typedef DenseSet<FunctionType *, FunctionTypeKeyInfo> FunctionTypeSet;
935 FunctionTypeSet FunctionTypes;
936 typedef DenseSet<StructType *, AnonStructTypeKeyInfo> StructTypeSet;
937 StructTypeSet AnonStructTypes;
938 StringMap<StructType*> NamedStructTypes;
939 unsigned NamedStructTypesUniqueID;
941 DenseMap<std::pair<Type *, uint64_t>, ArrayType*> ArrayTypes;
942 DenseMap<std::pair<Type *, unsigned>, VectorType*> VectorTypes;
943 DenseMap<Type*, PointerType*> PointerTypes; // Pointers in AddrSpace = 0
944 DenseMap<std::pair<Type*, unsigned>, PointerType*> ASPointerTypes;
947 /// ValueHandles - This map keeps track of all of the value handles that are
948 /// watching a Value*. The Value::HasValueHandle bit is used to know
949 /// whether or not a value has an entry in this map.
950 typedef DenseMap<Value*, ValueHandleBase*> ValueHandlesTy;
951 ValueHandlesTy ValueHandles;
953 /// CustomMDKindNames - Map to hold the metadata string to ID mapping.
954 StringMap<unsigned> CustomMDKindNames;
956 typedef std::pair<unsigned, TrackingMDNodeRef> MDPairTy;
957 typedef SmallVector<MDPairTy, 2> MDMapTy;
959 /// MetadataStore - Collection of per-instruction metadata used in this
961 DenseMap<const Instruction *, MDMapTy> MetadataStore;
963 /// DiscriminatorTable - This table maps file:line locations to an
964 /// integer representing the next DWARF path discriminator to assign to
965 /// instructions in different blocks at the same location.
966 DenseMap<std::pair<const char *, unsigned>, unsigned> DiscriminatorTable;
968 /// IntrinsicIDCache - Cache of intrinsic name (string) to numeric ID mappings
969 /// requested in this context
970 typedef DenseMap<const Function*, unsigned> IntrinsicIDCacheTy;
971 IntrinsicIDCacheTy IntrinsicIDCache;
973 /// \brief Mapping from a function to its prefix data, which is stored as the
974 /// operand of an unparented ReturnInst so that the prefix data has a Use.
975 typedef DenseMap<const Function *, ReturnInst *> PrefixDataMapTy;
976 PrefixDataMapTy PrefixDataMap;
978 /// \brief Mapping from a function to its prologue data, which is stored as
979 /// the operand of an unparented ReturnInst so that the prologue data has a
981 typedef DenseMap<const Function *, ReturnInst *> PrologueDataMapTy;
982 PrologueDataMapTy PrologueDataMap;
984 int getOrAddScopeRecordIdxEntry(MDNode *N, int ExistingIdx);
985 int getOrAddScopeInlinedAtIdxEntry(MDNode *Scope, MDNode *IA,int ExistingIdx);
987 LLVMContextImpl(LLVMContext &C);
990 /// Destroy the ConstantArrays if they are not used.
991 void dropTriviallyDeadConstantArrays();