1 //===- DebugInfoMetadata.cpp - Implement debug info metadata --------------===//
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 implements the debug info Metadata classes.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/IR/DebugInfoMetadata.h"
15 #include "LLVMContextImpl.h"
16 #include "MetadataImpl.h"
17 #include "llvm/ADT/StringSwitch.h"
18 #include "llvm/IR/Function.h"
22 DILocation::DILocation(LLVMContext &C, StorageType Storage, unsigned Line,
23 unsigned Column, ArrayRef<Metadata *> MDs)
24 : MDNode(C, DILocationKind, Storage, MDs) {
25 assert((MDs.size() == 1 || MDs.size() == 2) &&
26 "Expected a scope and optional inlined-at");
28 // Set line and column.
29 assert(Column < (1u << 16) && "Expected 16-bit column");
31 SubclassData32 = Line;
32 SubclassData16 = Column;
35 static void adjustColumn(unsigned &Column) {
36 // Set to unknown on overflow. We only have 16 bits to play with here.
37 if (Column >= (1u << 16))
41 DILocation *DILocation::getImpl(LLVMContext &Context, unsigned Line,
42 unsigned Column, Metadata *Scope,
43 Metadata *InlinedAt, StorageType Storage,
48 if (Storage == Uniqued) {
50 getUniqued(Context.pImpl->DILocations,
51 DILocationInfo::KeyTy(Line, Column, Scope, InlinedAt)))
56 assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
59 SmallVector<Metadata *, 2> Ops;
62 Ops.push_back(InlinedAt);
63 return storeImpl(new (Ops.size())
64 DILocation(Context, Storage, Line, Column, Ops),
65 Storage, Context.pImpl->DILocations);
68 DINode::DIFlags DINode::getFlag(StringRef Flag) {
69 return StringSwitch<DIFlags>(Flag)
70 #define HANDLE_DI_FLAG(ID, NAME) .Case("DIFlag" #NAME, Flag##NAME)
71 #include "llvm/IR/DebugInfoFlags.def"
72 .Default(DINode::FlagZero);
75 StringRef DINode::getFlagString(DIFlags Flag) {
77 #define HANDLE_DI_FLAG(ID, NAME) \
79 return "DIFlag" #NAME;
80 #include "llvm/IR/DebugInfoFlags.def"
85 DINode::DIFlags DINode::splitFlags(DIFlags Flags,
86 SmallVectorImpl<DIFlags> &SplitFlags) {
87 // Flags that are packed together need to be specially handled, so
88 // that, for example, we emit "DIFlagPublic" and not
89 // "DIFlagPrivate | DIFlagProtected".
90 if (DIFlags A = Flags & FlagAccessibility) {
92 SplitFlags.push_back(FlagPrivate);
93 else if (A == FlagProtected)
94 SplitFlags.push_back(FlagProtected);
96 SplitFlags.push_back(FlagPublic);
99 if (DIFlags R = Flags & FlagPtrToMemberRep) {
100 if (R == FlagSingleInheritance)
101 SplitFlags.push_back(FlagSingleInheritance);
102 else if (R == FlagMultipleInheritance)
103 SplitFlags.push_back(FlagMultipleInheritance);
105 SplitFlags.push_back(FlagVirtualInheritance);
108 if ((Flags & FlagIndirectVirtualBase) == FlagIndirectVirtualBase) {
109 Flags &= ~FlagIndirectVirtualBase;
110 SplitFlags.push_back(FlagIndirectVirtualBase);
113 #define HANDLE_DI_FLAG(ID, NAME) \
114 if (DIFlags Bit = Flags & Flag##NAME) { \
115 SplitFlags.push_back(Bit); \
118 #include "llvm/IR/DebugInfoFlags.def"
122 DIScopeRef DIScope::getScope() const {
123 if (auto *T = dyn_cast<DIType>(this))
124 return T->getScope();
126 if (auto *SP = dyn_cast<DISubprogram>(this))
127 return SP->getScope();
129 if (auto *LB = dyn_cast<DILexicalBlockBase>(this))
130 return LB->getScope();
132 if (auto *NS = dyn_cast<DINamespace>(this))
133 return NS->getScope();
135 if (auto *M = dyn_cast<DIModule>(this))
136 return M->getScope();
138 assert((isa<DIFile>(this) || isa<DICompileUnit>(this)) &&
139 "Unhandled type of scope.");
143 StringRef DIScope::getName() const {
144 if (auto *T = dyn_cast<DIType>(this))
146 if (auto *SP = dyn_cast<DISubprogram>(this))
147 return SP->getName();
148 if (auto *NS = dyn_cast<DINamespace>(this))
149 return NS->getName();
150 if (auto *M = dyn_cast<DIModule>(this))
152 assert((isa<DILexicalBlockBase>(this) || isa<DIFile>(this) ||
153 isa<DICompileUnit>(this)) &&
154 "Unhandled type of scope.");
159 static bool isCanonical(const MDString *S) {
160 return !S || !S->getString().empty();
164 GenericDINode *GenericDINode::getImpl(LLVMContext &Context, unsigned Tag,
166 ArrayRef<Metadata *> DwarfOps,
167 StorageType Storage, bool ShouldCreate) {
169 if (Storage == Uniqued) {
170 GenericDINodeInfo::KeyTy Key(Tag, Header, DwarfOps);
171 if (auto *N = getUniqued(Context.pImpl->GenericDINodes, Key))
175 Hash = Key.getHash();
177 assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
180 // Use a nullptr for empty headers.
181 assert(isCanonical(Header) && "Expected canonical MDString");
182 Metadata *PreOps[] = {Header};
183 return storeImpl(new (DwarfOps.size() + 1) GenericDINode(
184 Context, Storage, Hash, Tag, PreOps, DwarfOps),
185 Storage, Context.pImpl->GenericDINodes);
188 void GenericDINode::recalculateHash() {
189 setHash(GenericDINodeInfo::KeyTy::calculateHash(this));
192 #define UNWRAP_ARGS_IMPL(...) __VA_ARGS__
193 #define UNWRAP_ARGS(ARGS) UNWRAP_ARGS_IMPL ARGS
194 #define DEFINE_GETIMPL_LOOKUP(CLASS, ARGS) \
196 if (Storage == Uniqued) { \
197 if (auto *N = getUniqued(Context.pImpl->CLASS##s, \
198 CLASS##Info::KeyTy(UNWRAP_ARGS(ARGS)))) \
203 assert(ShouldCreate && \
204 "Expected non-uniqued nodes to always be created"); \
207 #define DEFINE_GETIMPL_STORE(CLASS, ARGS, OPS) \
208 return storeImpl(new (array_lengthof(OPS)) \
209 CLASS(Context, Storage, UNWRAP_ARGS(ARGS), OPS), \
210 Storage, Context.pImpl->CLASS##s)
211 #define DEFINE_GETIMPL_STORE_NO_OPS(CLASS, ARGS) \
212 return storeImpl(new (0u) CLASS(Context, Storage, UNWRAP_ARGS(ARGS)), \
213 Storage, Context.pImpl->CLASS##s)
214 #define DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(CLASS, OPS) \
215 return storeImpl(new (array_lengthof(OPS)) CLASS(Context, Storage, OPS), \
216 Storage, Context.pImpl->CLASS##s)
218 DISubrange *DISubrange::getImpl(LLVMContext &Context, int64_t Count, int64_t Lo,
219 StorageType Storage, bool ShouldCreate) {
220 DEFINE_GETIMPL_LOOKUP(DISubrange, (Count, Lo));
221 DEFINE_GETIMPL_STORE_NO_OPS(DISubrange, (Count, Lo));
224 DIEnumerator *DIEnumerator::getImpl(LLVMContext &Context, int64_t Value,
225 MDString *Name, StorageType Storage,
227 assert(isCanonical(Name) && "Expected canonical MDString");
228 DEFINE_GETIMPL_LOOKUP(DIEnumerator, (Value, Name));
229 Metadata *Ops[] = {Name};
230 DEFINE_GETIMPL_STORE(DIEnumerator, (Value), Ops);
233 DIBasicType *DIBasicType::getImpl(LLVMContext &Context, unsigned Tag,
234 MDString *Name, uint64_t SizeInBits,
235 uint32_t AlignInBits, unsigned Encoding,
236 StorageType Storage, bool ShouldCreate) {
237 assert(isCanonical(Name) && "Expected canonical MDString");
238 DEFINE_GETIMPL_LOOKUP(DIBasicType,
239 (Tag, Name, SizeInBits, AlignInBits, Encoding));
240 Metadata *Ops[] = {nullptr, nullptr, Name};
241 DEFINE_GETIMPL_STORE(DIBasicType, (Tag, SizeInBits, AlignInBits, Encoding),
245 DIDerivedType *DIDerivedType::getImpl(
246 LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
247 unsigned Line, Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
248 uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags,
249 Metadata *ExtraData, StorageType Storage, bool ShouldCreate) {
250 assert(isCanonical(Name) && "Expected canonical MDString");
251 DEFINE_GETIMPL_LOOKUP(DIDerivedType,
252 (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
253 AlignInBits, OffsetInBits, Flags, ExtraData));
254 Metadata *Ops[] = {File, Scope, Name, BaseType, ExtraData};
255 DEFINE_GETIMPL_STORE(
256 DIDerivedType, (Tag, Line, SizeInBits, AlignInBits, OffsetInBits, Flags),
260 DICompositeType *DICompositeType::getImpl(
261 LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
262 unsigned Line, Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
263 uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags,
264 Metadata *Elements, unsigned RuntimeLang, Metadata *VTableHolder,
265 Metadata *TemplateParams, MDString *Identifier, StorageType Storage,
267 assert(isCanonical(Name) && "Expected canonical MDString");
269 // Keep this in sync with buildODRType.
270 DEFINE_GETIMPL_LOOKUP(
271 DICompositeType, (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
272 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
273 VTableHolder, TemplateParams, Identifier));
274 Metadata *Ops[] = {File, Scope, Name, BaseType,
275 Elements, VTableHolder, TemplateParams, Identifier};
276 DEFINE_GETIMPL_STORE(DICompositeType, (Tag, Line, RuntimeLang, SizeInBits,
277 AlignInBits, OffsetInBits, Flags),
281 DICompositeType *DICompositeType::buildODRType(
282 LLVMContext &Context, MDString &Identifier, unsigned Tag, MDString *Name,
283 Metadata *File, unsigned Line, Metadata *Scope, Metadata *BaseType,
284 uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits,
285 DIFlags Flags, Metadata *Elements, unsigned RuntimeLang,
286 Metadata *VTableHolder, Metadata *TemplateParams) {
287 assert(!Identifier.getString().empty() && "Expected valid identifier");
288 if (!Context.isODRUniquingDebugTypes())
290 auto *&CT = (*Context.pImpl->DITypeMap)[&Identifier];
292 return CT = DICompositeType::getDistinct(
293 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
294 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
295 VTableHolder, TemplateParams, &Identifier);
297 // Only mutate CT if it's a forward declaration and the new operands aren't.
298 assert(CT->getRawIdentifier() == &Identifier && "Wrong ODR identifier?");
299 if (!CT->isForwardDecl() || (Flags & DINode::FlagFwdDecl))
302 // Mutate CT in place. Keep this in sync with getImpl.
303 CT->mutate(Tag, Line, RuntimeLang, SizeInBits, AlignInBits, OffsetInBits,
305 Metadata *Ops[] = {File, Scope, Name, BaseType,
306 Elements, VTableHolder, TemplateParams, &Identifier};
307 assert((std::end(Ops) - std::begin(Ops)) == (int)CT->getNumOperands() &&
308 "Mismatched number of operands");
309 for (unsigned I = 0, E = CT->getNumOperands(); I != E; ++I)
310 if (Ops[I] != CT->getOperand(I))
311 CT->setOperand(I, Ops[I]);
315 DICompositeType *DICompositeType::getODRType(
316 LLVMContext &Context, MDString &Identifier, unsigned Tag, MDString *Name,
317 Metadata *File, unsigned Line, Metadata *Scope, Metadata *BaseType,
318 uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits,
319 DIFlags Flags, Metadata *Elements, unsigned RuntimeLang,
320 Metadata *VTableHolder, Metadata *TemplateParams) {
321 assert(!Identifier.getString().empty() && "Expected valid identifier");
322 if (!Context.isODRUniquingDebugTypes())
324 auto *&CT = (*Context.pImpl->DITypeMap)[&Identifier];
326 CT = DICompositeType::getDistinct(
327 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
328 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang, VTableHolder,
329 TemplateParams, &Identifier);
333 DICompositeType *DICompositeType::getODRTypeIfExists(LLVMContext &Context,
334 MDString &Identifier) {
335 assert(!Identifier.getString().empty() && "Expected valid identifier");
336 if (!Context.isODRUniquingDebugTypes())
338 return Context.pImpl->DITypeMap->lookup(&Identifier);
341 DISubroutineType *DISubroutineType::getImpl(LLVMContext &Context, DIFlags Flags,
342 uint8_t CC, Metadata *TypeArray,
345 DEFINE_GETIMPL_LOOKUP(DISubroutineType, (Flags, CC, TypeArray));
346 Metadata *Ops[] = {nullptr, nullptr, nullptr, TypeArray};
347 DEFINE_GETIMPL_STORE(DISubroutineType, (Flags, CC), Ops);
350 static const char *ChecksumKindName[DIFile::CSK_Last + 1] = {
356 DIFile::ChecksumKind DIFile::getChecksumKind(StringRef CSKindStr) {
357 return StringSwitch<DIFile::ChecksumKind>(CSKindStr)
358 .Case("CSK_MD5", DIFile::CSK_MD5)
359 .Case("CSK_SHA1", DIFile::CSK_SHA1)
360 .Default(DIFile::CSK_None);
363 StringRef DIFile::getChecksumKindAsString() const {
364 assert(CSKind <= DIFile::CSK_Last && "Invalid checksum kind");
365 return ChecksumKindName[CSKind];
368 DIFile *DIFile::getImpl(LLVMContext &Context, MDString *Filename,
369 MDString *Directory, DIFile::ChecksumKind CSKind,
370 MDString *Checksum, StorageType Storage,
372 assert(isCanonical(Filename) && "Expected canonical MDString");
373 assert(isCanonical(Directory) && "Expected canonical MDString");
374 assert(isCanonical(Checksum) && "Expected canonical MDString");
375 DEFINE_GETIMPL_LOOKUP(DIFile, (Filename, Directory, CSKind, Checksum));
376 Metadata *Ops[] = {Filename, Directory, Checksum};
377 DEFINE_GETIMPL_STORE(DIFile, (CSKind), Ops);
380 DICompileUnit *DICompileUnit::getImpl(
381 LLVMContext &Context, unsigned SourceLanguage, Metadata *File,
382 MDString *Producer, bool IsOptimized, MDString *Flags,
383 unsigned RuntimeVersion, MDString *SplitDebugFilename,
384 unsigned EmissionKind, Metadata *EnumTypes, Metadata *RetainedTypes,
385 Metadata *GlobalVariables, Metadata *ImportedEntities, Metadata *Macros,
386 uint64_t DWOId, bool SplitDebugInlining, StorageType Storage,
388 assert(Storage != Uniqued && "Cannot unique DICompileUnit");
389 assert(isCanonical(Producer) && "Expected canonical MDString");
390 assert(isCanonical(Flags) && "Expected canonical MDString");
391 assert(isCanonical(SplitDebugFilename) && "Expected canonical MDString");
394 File, Producer, Flags, SplitDebugFilename,
395 EnumTypes, RetainedTypes, GlobalVariables, ImportedEntities,
397 return storeImpl(new (array_lengthof(Ops))
398 DICompileUnit(Context, Storage, SourceLanguage,
399 IsOptimized, RuntimeVersion, EmissionKind,
400 DWOId, SplitDebugInlining, Ops),
404 Optional<DICompileUnit::DebugEmissionKind>
405 DICompileUnit::getEmissionKind(StringRef Str) {
406 return StringSwitch<Optional<DebugEmissionKind>>(Str)
407 .Case("NoDebug", NoDebug)
408 .Case("FullDebug", FullDebug)
409 .Case("LineTablesOnly", LineTablesOnly)
413 const char *DICompileUnit::EmissionKindString(DebugEmissionKind EK) {
415 case NoDebug: return "NoDebug";
416 case FullDebug: return "FullDebug";
417 case LineTablesOnly: return "LineTablesOnly";
422 DISubprogram *DILocalScope::getSubprogram() const {
423 if (auto *Block = dyn_cast<DILexicalBlockBase>(this))
424 return Block->getScope()->getSubprogram();
425 return const_cast<DISubprogram *>(cast<DISubprogram>(this));
428 DILocalScope *DILocalScope::getNonLexicalBlockFileScope() const {
429 if (auto *File = dyn_cast<DILexicalBlockFile>(this))
430 return File->getScope()->getNonLexicalBlockFileScope();
431 return const_cast<DILocalScope *>(this);
434 DISubprogram *DISubprogram::getImpl(
435 LLVMContext &Context, Metadata *Scope, MDString *Name,
436 MDString *LinkageName, Metadata *File, unsigned Line, Metadata *Type,
437 bool IsLocalToUnit, bool IsDefinition, unsigned ScopeLine,
438 Metadata *ContainingType, unsigned Virtuality, unsigned VirtualIndex,
439 int ThisAdjustment, DIFlags Flags, bool IsOptimized, Metadata *Unit,
440 Metadata *TemplateParams, Metadata *Declaration, Metadata *Variables,
441 StorageType Storage, bool ShouldCreate) {
442 assert(isCanonical(Name) && "Expected canonical MDString");
443 assert(isCanonical(LinkageName) && "Expected canonical MDString");
444 DEFINE_GETIMPL_LOOKUP(
446 (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit, IsDefinition,
447 ScopeLine, ContainingType, Virtuality, VirtualIndex, ThisAdjustment,
448 Flags, IsOptimized, Unit, TemplateParams, Declaration, Variables));
449 Metadata *Ops[] = {File, Scope, Name, Name,
450 LinkageName, Type, ContainingType, Unit,
451 TemplateParams, Declaration, Variables};
452 DEFINE_GETIMPL_STORE(DISubprogram, (Line, ScopeLine, Virtuality, VirtualIndex,
453 ThisAdjustment, Flags, IsLocalToUnit,
454 IsDefinition, IsOptimized),
458 bool DISubprogram::describes(const Function *F) const {
459 assert(F && "Invalid function");
460 if (F->getSubprogram() == this)
462 StringRef Name = getLinkageName();
465 return F->getName() == Name;
468 DILexicalBlock *DILexicalBlock::getImpl(LLVMContext &Context, Metadata *Scope,
469 Metadata *File, unsigned Line,
470 unsigned Column, StorageType Storage,
473 adjustColumn(Column);
475 assert(Scope && "Expected scope");
476 DEFINE_GETIMPL_LOOKUP(DILexicalBlock, (Scope, File, Line, Column));
477 Metadata *Ops[] = {File, Scope};
478 DEFINE_GETIMPL_STORE(DILexicalBlock, (Line, Column), Ops);
481 DILexicalBlockFile *DILexicalBlockFile::getImpl(LLVMContext &Context,
482 Metadata *Scope, Metadata *File,
483 unsigned Discriminator,
486 assert(Scope && "Expected scope");
487 DEFINE_GETIMPL_LOOKUP(DILexicalBlockFile, (Scope, File, Discriminator));
488 Metadata *Ops[] = {File, Scope};
489 DEFINE_GETIMPL_STORE(DILexicalBlockFile, (Discriminator), Ops);
492 DINamespace *DINamespace::getImpl(LLVMContext &Context, Metadata *Scope,
493 Metadata *File, MDString *Name, unsigned Line,
494 bool ExportSymbols, StorageType Storage,
496 assert(isCanonical(Name) && "Expected canonical MDString");
497 DEFINE_GETIMPL_LOOKUP(DINamespace, (Scope, File, Name, Line, ExportSymbols));
498 Metadata *Ops[] = {File, Scope, Name};
499 DEFINE_GETIMPL_STORE(DINamespace, (Line, ExportSymbols), Ops);
502 DIModule *DIModule::getImpl(LLVMContext &Context, Metadata *Scope,
503 MDString *Name, MDString *ConfigurationMacros,
504 MDString *IncludePath, MDString *ISysRoot,
505 StorageType Storage, bool ShouldCreate) {
506 assert(isCanonical(Name) && "Expected canonical MDString");
507 DEFINE_GETIMPL_LOOKUP(
508 DIModule, (Scope, Name, ConfigurationMacros, IncludePath, ISysRoot));
509 Metadata *Ops[] = {Scope, Name, ConfigurationMacros, IncludePath, ISysRoot};
510 DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIModule, Ops);
513 DITemplateTypeParameter *DITemplateTypeParameter::getImpl(LLVMContext &Context,
518 assert(isCanonical(Name) && "Expected canonical MDString");
519 DEFINE_GETIMPL_LOOKUP(DITemplateTypeParameter, (Name, Type));
520 Metadata *Ops[] = {Name, Type};
521 DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DITemplateTypeParameter, Ops);
524 DITemplateValueParameter *DITemplateValueParameter::getImpl(
525 LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *Type,
526 Metadata *Value, StorageType Storage, bool ShouldCreate) {
527 assert(isCanonical(Name) && "Expected canonical MDString");
528 DEFINE_GETIMPL_LOOKUP(DITemplateValueParameter, (Tag, Name, Type, Value));
529 Metadata *Ops[] = {Name, Type, Value};
530 DEFINE_GETIMPL_STORE(DITemplateValueParameter, (Tag), Ops);
534 DIGlobalVariable::getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
535 MDString *LinkageName, Metadata *File, unsigned Line,
536 Metadata *Type, bool IsLocalToUnit, bool IsDefinition,
537 Metadata *StaticDataMemberDeclaration,
538 uint32_t AlignInBits, StorageType Storage,
540 assert(isCanonical(Name) && "Expected canonical MDString");
541 assert(isCanonical(LinkageName) && "Expected canonical MDString");
542 DEFINE_GETIMPL_LOOKUP(DIGlobalVariable,
543 (Scope, Name, LinkageName, File, Line, Type,
544 IsLocalToUnit, IsDefinition,
545 StaticDataMemberDeclaration, AlignInBits));
547 Scope, Name, File, Type, Name, LinkageName, StaticDataMemberDeclaration};
548 DEFINE_GETIMPL_STORE(DIGlobalVariable,
549 (Line, IsLocalToUnit, IsDefinition, AlignInBits),
553 DILocalVariable *DILocalVariable::getImpl(LLVMContext &Context, Metadata *Scope,
554 MDString *Name, Metadata *File,
555 unsigned Line, Metadata *Type,
556 unsigned Arg, DIFlags Flags,
557 uint32_t AlignInBits,
560 // 64K ought to be enough for any frontend.
561 assert(Arg <= UINT16_MAX && "Expected argument number to fit in 16-bits");
563 assert(Scope && "Expected scope");
564 assert(isCanonical(Name) && "Expected canonical MDString");
565 DEFINE_GETIMPL_LOOKUP(DILocalVariable,
566 (Scope, Name, File, Line, Type, Arg, Flags,
568 Metadata *Ops[] = {Scope, Name, File, Type};
569 DEFINE_GETIMPL_STORE(DILocalVariable, (Line, Arg, Flags, AlignInBits), Ops);
572 DIExpression *DIExpression::getImpl(LLVMContext &Context,
573 ArrayRef<uint64_t> Elements,
574 StorageType Storage, bool ShouldCreate) {
575 DEFINE_GETIMPL_LOOKUP(DIExpression, (Elements));
576 DEFINE_GETIMPL_STORE_NO_OPS(DIExpression, (Elements));
579 unsigned DIExpression::ExprOperand::getSize() const {
581 case dwarf::DW_OP_LLVM_fragment:
583 case dwarf::DW_OP_constu:
584 case dwarf::DW_OP_plus:
585 case dwarf::DW_OP_minus:
592 bool DIExpression::isValid() const {
593 for (auto I = expr_op_begin(), E = expr_op_end(); I != E; ++I) {
594 // Check that there's space for the operand.
595 if (I->get() + I->getSize() > E->get())
598 // Check that the operand is valid.
599 switch (I->getOp()) {
602 case dwarf::DW_OP_LLVM_fragment:
603 // A fragment operator must appear at the end.
604 return I->get() + I->getSize() == E->get();
605 case dwarf::DW_OP_stack_value: {
606 // Must be the last one or followed by a DW_OP_LLVM_fragment.
607 if (I->get() + I->getSize() == E->get())
610 if ((++J)->getOp() != dwarf::DW_OP_LLVM_fragment)
614 case dwarf::DW_OP_constu:
615 case dwarf::DW_OP_plus:
616 case dwarf::DW_OP_minus:
617 case dwarf::DW_OP_deref:
624 Optional<DIExpression::FragmentInfo>
625 DIExpression::getFragmentInfo(expr_op_iterator Start, expr_op_iterator End) {
626 for (auto I = Start; I != End; ++I)
627 if (I->getOp() == dwarf::DW_OP_LLVM_fragment) {
628 DIExpression::FragmentInfo Info = {I->getArg(1), I->getArg(0)};
634 bool DIExpression::isConstant() const {
635 // Recognize DW_OP_constu C DW_OP_stack_value (DW_OP_LLVM_fragment Len Ofs)?.
636 if (getNumElements() != 3 && getNumElements() != 6)
638 if (getElement(0) != dwarf::DW_OP_constu ||
639 getElement(2) != dwarf::DW_OP_stack_value)
641 if (getNumElements() == 6 && getElement(3) != dwarf::DW_OP_LLVM_fragment)
646 DIGlobalVariableExpression *
647 DIGlobalVariableExpression::getImpl(LLVMContext &Context, Metadata *Variable,
648 Metadata *Expression, StorageType Storage,
650 DEFINE_GETIMPL_LOOKUP(DIGlobalVariableExpression, (Variable, Expression));
651 Metadata *Ops[] = {Variable, Expression};
652 DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIGlobalVariableExpression, Ops);
655 DIObjCProperty *DIObjCProperty::getImpl(
656 LLVMContext &Context, MDString *Name, Metadata *File, unsigned Line,
657 MDString *GetterName, MDString *SetterName, unsigned Attributes,
658 Metadata *Type, StorageType Storage, bool ShouldCreate) {
659 assert(isCanonical(Name) && "Expected canonical MDString");
660 assert(isCanonical(GetterName) && "Expected canonical MDString");
661 assert(isCanonical(SetterName) && "Expected canonical MDString");
662 DEFINE_GETIMPL_LOOKUP(DIObjCProperty, (Name, File, Line, GetterName,
663 SetterName, Attributes, Type));
664 Metadata *Ops[] = {Name, File, GetterName, SetterName, Type};
665 DEFINE_GETIMPL_STORE(DIObjCProperty, (Line, Attributes), Ops);
668 DIImportedEntity *DIImportedEntity::getImpl(LLVMContext &Context, unsigned Tag,
669 Metadata *Scope, Metadata *Entity,
670 unsigned Line, MDString *Name,
673 assert(isCanonical(Name) && "Expected canonical MDString");
674 DEFINE_GETIMPL_LOOKUP(DIImportedEntity, (Tag, Scope, Entity, Line, Name));
675 Metadata *Ops[] = {Scope, Entity, Name};
676 DEFINE_GETIMPL_STORE(DIImportedEntity, (Tag, Line), Ops);
679 DIMacro *DIMacro::getImpl(LLVMContext &Context, unsigned MIType,
680 unsigned Line, MDString *Name, MDString *Value,
681 StorageType Storage, bool ShouldCreate) {
682 assert(isCanonical(Name) && "Expected canonical MDString");
683 DEFINE_GETIMPL_LOOKUP(DIMacro, (MIType, Line, Name, Value));
684 Metadata *Ops[] = { Name, Value };
685 DEFINE_GETIMPL_STORE(DIMacro, (MIType, Line), Ops);
688 DIMacroFile *DIMacroFile::getImpl(LLVMContext &Context, unsigned MIType,
689 unsigned Line, Metadata *File,
690 Metadata *Elements, StorageType Storage,
692 DEFINE_GETIMPL_LOOKUP(DIMacroFile,
693 (MIType, Line, File, Elements));
694 Metadata *Ops[] = { File, Elements };
695 DEFINE_GETIMPL_STORE(DIMacroFile, (MIType, Line), Ops);