Line data Source code
1 : //===- DebugInfoMetadata.cpp - Implement debug info metadata --------------===//
2 : //
3 : // The LLVM Compiler Infrastructure
4 : //
5 : // This file is distributed under the University of Illinois Open Source
6 : // License. See LICENSE.TXT for details.
7 : //
8 : //===----------------------------------------------------------------------===//
9 : //
10 : // This file implements the debug info Metadata classes.
11 : //
12 : //===----------------------------------------------------------------------===//
13 :
14 : #include "llvm/IR/DebugInfoMetadata.h"
15 : #include "LLVMContextImpl.h"
16 : #include "MetadataImpl.h"
17 : #include "llvm/ADT/SmallSet.h"
18 : #include "llvm/ADT/StringSwitch.h"
19 : #include "llvm/IR/DIBuilder.h"
20 : #include "llvm/IR/Function.h"
21 : #include "llvm/IR/Instructions.h"
22 :
23 : using namespace llvm;
24 :
25 1502103 : DILocation::DILocation(LLVMContext &C, StorageType Storage, unsigned Line,
26 : unsigned Column, ArrayRef<Metadata *> MDs,
27 1502103 : bool ImplicitCode)
28 3004206 : : MDNode(C, DILocationKind, Storage, MDs) {
29 : assert((MDs.size() == 1 || MDs.size() == 2) &&
30 : "Expected a scope and optional inlined-at");
31 :
32 : // Set line and column.
33 : assert(Column < (1u << 16) && "Expected 16-bit column");
34 :
35 1502103 : SubclassData32 = Line;
36 1502103 : SubclassData16 = Column;
37 :
38 : setImplicitCode(ImplicitCode);
39 1502103 : }
40 :
41 : static void adjustColumn(unsigned &Column) {
42 : // Set to unknown on overflow. We only have 16 bits to play with here.
43 3985708 : if (Column >= (1u << 16))
44 : Column = 0;
45 : }
46 :
47 3971246 : DILocation *DILocation::getImpl(LLVMContext &Context, unsigned Line,
48 : unsigned Column, Metadata *Scope,
49 : Metadata *InlinedAt, bool ImplicitCode,
50 : StorageType Storage, bool ShouldCreate) {
51 : // Fixup column.
52 : adjustColumn(Column);
53 :
54 3971246 : if (Storage == Uniqued) {
55 3712300 : if (auto *N = getUniqued(Context.pImpl->DILocations,
56 7424600 : DILocationInfo::KeyTy(Line, Column, Scope,
57 : InlinedAt, ImplicitCode)))
58 : return N;
59 1243157 : if (!ShouldCreate)
60 : return nullptr;
61 : } else {
62 : assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
63 : }
64 :
65 : SmallVector<Metadata *, 2> Ops;
66 1502103 : Ops.push_back(Scope);
67 1502103 : if (InlinedAt)
68 872518 : Ops.push_back(InlinedAt);
69 1502103 : return storeImpl(new (Ops.size()) DILocation(Context, Storage, Line, Column,
70 1502103 : Ops, ImplicitCode),
71 1502103 : Storage, Context.pImpl->DILocations);
72 : }
73 :
74 262730 : const DILocation *DILocation::getMergedLocation(const DILocation *LocA,
75 : const DILocation *LocB) {
76 262730 : if (!LocA || !LocB)
77 : return nullptr;
78 :
79 189051 : if (LocA == LocB)
80 : return LocA;
81 :
82 : SmallPtrSet<DILocation *, 5> InlinedLocationsA;
83 122548 : for (DILocation *L = LocA->getInlinedAt(); L; L = L->getInlinedAt())
84 41263 : InlinedLocationsA.insert(L);
85 105640 : SmallSet<std::pair<DIScope *, DILocation *>, 5> Locations;
86 : DIScope *S = LocA->getScope();
87 : DILocation *L = LocA->getInlinedAt();
88 556411 : while (S) {
89 450771 : Locations.insert(std::make_pair(S, L));
90 450771 : S = S->getScope().resolve();
91 146903 : if (!S && L) {
92 : S = L->getScope();
93 : L = L->getInlinedAt();
94 : }
95 : }
96 : const DILocation *Result = LocB;
97 : S = LocB->getScope();
98 : L = LocB->getInlinedAt();
99 493076 : while (S) {
100 493075 : if (Locations.count(std::make_pair(S, L)))
101 : break;
102 387436 : S = S->getScope().resolve();
103 150931 : if (!S && L) {
104 : S = L->getScope();
105 : L = L->getInlinedAt();
106 : }
107 : }
108 :
109 : // If the two locations are irreconsilable, just pick one. This is misleading,
110 : // but on the other hand, it's a "line 0" location.
111 105640 : if (!S || !isa<DILocalScope>(S))
112 : S = LocA->getScope();
113 : return DILocation::get(Result->getContext(), 0, 0, S, L);
114 : }
115 :
116 3744 : DINode::DIFlags DINode::getFlag(StringRef Flag) {
117 3744 : return StringSwitch<DIFlags>(Flag)
118 : #define HANDLE_DI_FLAG(ID, NAME) .Case("DIFlag" #NAME, Flag##NAME)
119 : #include "llvm/IR/DebugInfoFlags.def"
120 3744 : .Default(DINode::FlagZero);
121 : }
122 :
123 9782 : StringRef DINode::getFlagString(DIFlags Flag) {
124 9782 : switch (Flag) {
125 : #define HANDLE_DI_FLAG(ID, NAME) \
126 : case Flag##NAME: \
127 : return "DIFlag" #NAME;
128 : #include "llvm/IR/DebugInfoFlags.def"
129 : }
130 3 : return "";
131 : }
132 :
133 7542 : DINode::DIFlags DINode::splitFlags(DIFlags Flags,
134 : SmallVectorImpl<DIFlags> &SplitFlags) {
135 : // Flags that are packed together need to be specially handled, so
136 : // that, for example, we emit "DIFlagPublic" and not
137 : // "DIFlagPrivate | DIFlagProtected".
138 7542 : if (DIFlags A = Flags & FlagAccessibility) {
139 517 : if (A == FlagPrivate)
140 39 : SplitFlags.push_back(FlagPrivate);
141 478 : else if (A == FlagProtected)
142 65 : SplitFlags.push_back(FlagProtected);
143 : else
144 413 : SplitFlags.push_back(FlagPublic);
145 : Flags &= ~A;
146 : }
147 7542 : if (DIFlags R = Flags & FlagPtrToMemberRep) {
148 14 : if (R == FlagSingleInheritance)
149 10 : SplitFlags.push_back(FlagSingleInheritance);
150 4 : else if (R == FlagMultipleInheritance)
151 2 : SplitFlags.push_back(FlagMultipleInheritance);
152 : else
153 2 : SplitFlags.push_back(FlagVirtualInheritance);
154 : Flags &= ~R;
155 : }
156 7542 : if ((Flags & FlagIndirectVirtualBase) == FlagIndirectVirtualBase) {
157 : Flags &= ~FlagIndirectVirtualBase;
158 1 : SplitFlags.push_back(FlagIndirectVirtualBase);
159 : }
160 :
161 : #define HANDLE_DI_FLAG(ID, NAME) \
162 : if (DIFlags Bit = Flags & Flag##NAME) { \
163 : SplitFlags.push_back(Bit); \
164 : Flags &= ~Bit; \
165 : }
166 : #include "llvm/IR/DebugInfoFlags.def"
167 7542 : return Flags;
168 : }
169 :
170 919081 : DIScopeRef DIScope::getScope() const {
171 : if (auto *T = dyn_cast<DIType>(this))
172 : return T->getScope();
173 :
174 : if (auto *SP = dyn_cast<DISubprogram>(this))
175 : return SP->getScope();
176 :
177 : if (auto *LB = dyn_cast<DILexicalBlockBase>(this))
178 242688 : return LB->getScope();
179 :
180 : if (auto *NS = dyn_cast<DINamespace>(this))
181 87799 : return NS->getScope();
182 :
183 : if (auto *M = dyn_cast<DIModule>(this))
184 12 : return M->getScope();
185 :
186 : assert((isa<DIFile>(this) || isa<DICompileUnit>(this)) &&
187 : "Unhandled type of scope.");
188 252892 : return nullptr;
189 : }
190 :
191 1077 : StringRef DIScope::getName() const {
192 : if (auto *T = dyn_cast<DIType>(this))
193 : return T->getName();
194 : if (auto *SP = dyn_cast<DISubprogram>(this))
195 : return SP->getName();
196 : if (auto *NS = dyn_cast<DINamespace>(this))
197 : return NS->getName();
198 : if (auto *M = dyn_cast<DIModule>(this))
199 : return M->getName();
200 : assert((isa<DILexicalBlockBase>(this) || isa<DIFile>(this) ||
201 : isa<DICompileUnit>(this)) &&
202 : "Unhandled type of scope.");
203 434 : return "";
204 : }
205 :
206 : #ifndef NDEBUG
207 : static bool isCanonical(const MDString *S) {
208 : return !S || !S->getString().empty();
209 : }
210 : #endif
211 :
212 61 : GenericDINode *GenericDINode::getImpl(LLVMContext &Context, unsigned Tag,
213 : MDString *Header,
214 : ArrayRef<Metadata *> DwarfOps,
215 : StorageType Storage, bool ShouldCreate) {
216 : unsigned Hash = 0;
217 61 : if (Storage == Uniqued) {
218 : GenericDINodeInfo::KeyTy Key(Tag, Header, DwarfOps);
219 62 : if (auto *N = getUniqued(Context.pImpl->GenericDINodes, Key))
220 13 : return N;
221 36 : if (!ShouldCreate)
222 : return nullptr;
223 36 : Hash = Key.getHash();
224 : } else {
225 : assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
226 : }
227 :
228 : // Use a nullptr for empty headers.
229 : assert(isCanonical(Header) && "Expected canonical MDString");
230 48 : Metadata *PreOps[] = {Header};
231 48 : return storeImpl(new (DwarfOps.size() + 1) GenericDINode(
232 48 : Context, Storage, Hash, Tag, PreOps, DwarfOps),
233 48 : Storage, Context.pImpl->GenericDINodes);
234 : }
235 :
236 15 : void GenericDINode::recalculateHash() {
237 : setHash(GenericDINodeInfo::KeyTy::calculateHash(this));
238 15 : }
239 :
240 : #define UNWRAP_ARGS_IMPL(...) __VA_ARGS__
241 : #define UNWRAP_ARGS(ARGS) UNWRAP_ARGS_IMPL ARGS
242 : #define DEFINE_GETIMPL_LOOKUP(CLASS, ARGS) \
243 : do { \
244 : if (Storage == Uniqued) { \
245 : if (auto *N = getUniqued(Context.pImpl->CLASS##s, \
246 : CLASS##Info::KeyTy(UNWRAP_ARGS(ARGS)))) \
247 : return N; \
248 : if (!ShouldCreate) \
249 : return nullptr; \
250 : } else { \
251 : assert(ShouldCreate && \
252 : "Expected non-uniqued nodes to always be created"); \
253 : } \
254 : } while (false)
255 : #define DEFINE_GETIMPL_STORE(CLASS, ARGS, OPS) \
256 : return storeImpl(new (array_lengthof(OPS)) \
257 : CLASS(Context, Storage, UNWRAP_ARGS(ARGS), OPS), \
258 : Storage, Context.pImpl->CLASS##s)
259 : #define DEFINE_GETIMPL_STORE_NO_OPS(CLASS, ARGS) \
260 : return storeImpl(new (0u) CLASS(Context, Storage, UNWRAP_ARGS(ARGS)), \
261 : Storage, Context.pImpl->CLASS##s)
262 : #define DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(CLASS, OPS) \
263 : return storeImpl(new (array_lengthof(OPS)) CLASS(Context, Storage, OPS), \
264 : Storage, Context.pImpl->CLASS##s)
265 : #define DEFINE_GETIMPL_STORE_N(CLASS, ARGS, OPS, NUM_OPS) \
266 : return storeImpl(new (NUM_OPS) \
267 : CLASS(Context, Storage, UNWRAP_ARGS(ARGS), OPS), \
268 : Storage, Context.pImpl->CLASS##s)
269 :
270 901 : DISubrange *DISubrange::getImpl(LLVMContext &Context, int64_t Count, int64_t Lo,
271 : StorageType Storage, bool ShouldCreate) {
272 : auto *CountNode = ConstantAsMetadata::get(
273 901 : ConstantInt::getSigned(Type::getInt64Ty(Context), Count));
274 901 : return getImpl(Context, CountNode, Lo, Storage, ShouldCreate);
275 : }
276 :
277 997 : DISubrange *DISubrange::getImpl(LLVMContext &Context, Metadata *CountNode,
278 : int64_t Lo, StorageType Storage,
279 : bool ShouldCreate) {
280 1993 : DEFINE_GETIMPL_LOOKUP(DISubrange, (CountNode, Lo));
281 837 : Metadata *Ops[] = { CountNode };
282 1674 : DEFINE_GETIMPL_STORE(DISubrange, (CountNode, Lo), Ops);
283 : }
284 :
285 7644 : DIEnumerator *DIEnumerator::getImpl(LLVMContext &Context, int64_t Value,
286 : bool IsUnsigned, MDString *Name,
287 : StorageType Storage, bool ShouldCreate) {
288 : assert(isCanonical(Name) && "Expected canonical MDString");
289 15287 : DEFINE_GETIMPL_LOOKUP(DIEnumerator, (Value, IsUnsigned, Name));
290 7619 : Metadata *Ops[] = {Name};
291 15238 : DEFINE_GETIMPL_STORE(DIEnumerator, (Value, IsUnsigned), Ops);
292 : }
293 :
294 4404 : DIBasicType *DIBasicType::getImpl(LLVMContext &Context, unsigned Tag,
295 : MDString *Name, uint64_t SizeInBits,
296 : uint32_t AlignInBits, unsigned Encoding,
297 : DIFlags Flags, StorageType Storage,
298 : bool ShouldCreate) {
299 : assert(isCanonical(Name) && "Expected canonical MDString");
300 8806 : DEFINE_GETIMPL_LOOKUP(DIBasicType,
301 : (Tag, Name, SizeInBits, AlignInBits, Encoding, Flags));
302 4016 : Metadata *Ops[] = {nullptr, nullptr, Name};
303 8032 : DEFINE_GETIMPL_STORE(DIBasicType, (Tag, SizeInBits, AlignInBits, Encoding,
304 : Flags), Ops);
305 : }
306 :
307 408 : Optional<DIBasicType::Signedness> DIBasicType::getSignedness() const {
308 408 : switch (getEncoding()) {
309 9 : case dwarf::DW_ATE_signed:
310 : case dwarf::DW_ATE_signed_char:
311 : return Signedness::Signed;
312 396 : case dwarf::DW_ATE_unsigned:
313 : case dwarf::DW_ATE_unsigned_char:
314 : return Signedness::Unsigned;
315 : default:
316 : return None;
317 : }
318 : }
319 :
320 105440 : DIDerivedType *DIDerivedType::getImpl(
321 : LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
322 : unsigned Line, Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
323 : uint32_t AlignInBits, uint64_t OffsetInBits,
324 : Optional<unsigned> DWARFAddressSpace, DIFlags Flags, Metadata *ExtraData,
325 : StorageType Storage, bool ShouldCreate) {
326 : assert(isCanonical(Name) && "Expected canonical MDString");
327 250794 : DEFINE_GETIMPL_LOOKUP(DIDerivedType,
328 : (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
329 : AlignInBits, OffsetInBits, DWARFAddressSpace, Flags,
330 : ExtraData));
331 76239 : Metadata *Ops[] = {File, Scope, Name, BaseType, ExtraData};
332 152531 : DEFINE_GETIMPL_STORE(
333 : DIDerivedType, (Tag, Line, SizeInBits, AlignInBits, OffsetInBits,
334 : DWARFAddressSpace, Flags), Ops);
335 : }
336 :
337 10554 : DICompositeType *DICompositeType::getImpl(
338 : LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
339 : unsigned Line, Metadata *Scope, Metadata *BaseType, uint64_t SizeInBits,
340 : uint32_t AlignInBits, uint64_t OffsetInBits, DIFlags Flags,
341 : Metadata *Elements, unsigned RuntimeLang, Metadata *VTableHolder,
342 : Metadata *TemplateParams, MDString *Identifier, Metadata *Discriminator,
343 : StorageType Storage, bool ShouldCreate) {
344 : assert(isCanonical(Name) && "Expected canonical MDString");
345 :
346 : // Keep this in sync with buildODRType.
347 12715 : DEFINE_GETIMPL_LOOKUP(
348 : DICompositeType, (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
349 : AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
350 : VTableHolder, TemplateParams, Identifier, Discriminator));
351 : Metadata *Ops[] = {File, Scope, Name, BaseType,
352 : Elements, VTableHolder, TemplateParams, Identifier,
353 10520 : Discriminator};
354 21040 : DEFINE_GETIMPL_STORE(DICompositeType, (Tag, Line, RuntimeLang, SizeInBits,
355 : AlignInBits, OffsetInBits, Flags),
356 : Ops);
357 : }
358 :
359 653 : DICompositeType *DICompositeType::buildODRType(
360 : LLVMContext &Context, MDString &Identifier, unsigned Tag, MDString *Name,
361 : Metadata *File, unsigned Line, Metadata *Scope, Metadata *BaseType,
362 : uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits,
363 : DIFlags Flags, Metadata *Elements, unsigned RuntimeLang,
364 : Metadata *VTableHolder, Metadata *TemplateParams, Metadata *Discriminator) {
365 : assert(!Identifier.getString().empty() && "Expected valid identifier");
366 653 : if (!Context.isODRUniquingDebugTypes())
367 : return nullptr;
368 163 : auto *&CT = (*Context.pImpl->DITypeMap)[&Identifier];
369 163 : if (!CT)
370 124 : return CT = DICompositeType::getDistinct(
371 : Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
372 : AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
373 124 : VTableHolder, TemplateParams, &Identifier, Discriminator);
374 :
375 : // Only mutate CT if it's a forward declaration and the new operands aren't.
376 : assert(CT->getRawIdentifier() == &Identifier && "Wrong ODR identifier?");
377 39 : if (!CT->isForwardDecl() || (Flags & DINode::FlagFwdDecl))
378 : return CT;
379 :
380 : // Mutate CT in place. Keep this in sync with getImpl.
381 : CT->mutate(Tag, Line, RuntimeLang, SizeInBits, AlignInBits, OffsetInBits,
382 : Flags);
383 : Metadata *Ops[] = {File, Scope, Name, BaseType,
384 : Elements, VTableHolder, TemplateParams, &Identifier,
385 5 : Discriminator};
386 : assert((std::end(Ops) - std::begin(Ops)) == (int)CT->getNumOperands() &&
387 : "Mismatched number of operands");
388 50 : for (unsigned I = 0, E = CT->getNumOperands(); I != E; ++I)
389 90 : if (Ops[I] != CT->getOperand(I))
390 11 : CT->setOperand(I, Ops[I]);
391 5 : return CT;
392 : }
393 :
394 4 : DICompositeType *DICompositeType::getODRType(
395 : LLVMContext &Context, MDString &Identifier, unsigned Tag, MDString *Name,
396 : Metadata *File, unsigned Line, Metadata *Scope, Metadata *BaseType,
397 : uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits,
398 : DIFlags Flags, Metadata *Elements, unsigned RuntimeLang,
399 : Metadata *VTableHolder, Metadata *TemplateParams, Metadata *Discriminator) {
400 : assert(!Identifier.getString().empty() && "Expected valid identifier");
401 4 : if (!Context.isODRUniquingDebugTypes())
402 : return nullptr;
403 3 : auto *&CT = (*Context.pImpl->DITypeMap)[&Identifier];
404 3 : if (!CT)
405 1 : CT = DICompositeType::getDistinct(
406 : Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits,
407 : AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang, VTableHolder,
408 : TemplateParams, &Identifier, Discriminator);
409 3 : return CT;
410 : }
411 :
412 5 : DICompositeType *DICompositeType::getODRTypeIfExists(LLVMContext &Context,
413 : MDString &Identifier) {
414 : assert(!Identifier.getString().empty() && "Expected valid identifier");
415 5 : if (!Context.isODRUniquingDebugTypes())
416 : return nullptr;
417 8 : return Context.pImpl->DITypeMap->lookup(&Identifier);
418 : }
419 :
420 90479 : DISubroutineType *DISubroutineType::getImpl(LLVMContext &Context, DIFlags Flags,
421 : uint8_t CC, Metadata *TypeArray,
422 : StorageType Storage,
423 : bool ShouldCreate) {
424 180949 : DEFINE_GETIMPL_LOOKUP(DISubroutineType, (Flags, CC, TypeArray));
425 46706 : Metadata *Ops[] = {nullptr, nullptr, nullptr, TypeArray};
426 93412 : DEFINE_GETIMPL_STORE(DISubroutineType, (Flags, CC), Ops);
427 : }
428 :
429 : // FIXME: Implement this string-enum correspondence with a .def file and macros,
430 : // so that the association is explicit rather than implied.
431 : static const char *ChecksumKindName[DIFile::CSK_Last] = {
432 : "CSK_MD5",
433 : "CSK_SHA1"
434 : };
435 :
436 74 : StringRef DIFile::getChecksumKindAsString(ChecksumKind CSKind) {
437 : assert(CSKind <= DIFile::CSK_Last && "Invalid checksum kind");
438 : // The first space was originally the CSK_None variant, which is now
439 : // obsolete, but the space is still reserved in ChecksumKind, so we account
440 : // for it here.
441 74 : return ChecksumKindName[CSKind - 1];
442 : }
443 :
444 176 : Optional<DIFile::ChecksumKind> DIFile::getChecksumKind(StringRef CSKindStr) {
445 176 : return StringSwitch<Optional<DIFile::ChecksumKind>>(CSKindStr)
446 176 : .Case("CSK_MD5", DIFile::CSK_MD5)
447 176 : .Case("CSK_SHA1", DIFile::CSK_SHA1)
448 176 : .Default(None);
449 : }
450 :
451 23978 : DIFile *DIFile::getImpl(LLVMContext &Context, MDString *Filename,
452 : MDString *Directory,
453 : Optional<DIFile::ChecksumInfo<MDString *>> CS,
454 : Optional<MDString *> Source, StorageType Storage,
455 : bool ShouldCreate) {
456 : assert(isCanonical(Filename) && "Expected canonical MDString");
457 : assert(isCanonical(Directory) && "Expected canonical MDString");
458 : assert((!CS || isCanonical(CS->Value)) && "Expected canonical MDString");
459 : assert((!Source || isCanonical(*Source)) && "Expected canonical MDString");
460 71856 : DEFINE_GETIMPL_LOOKUP(DIFile, (Filename, Directory, CS, Source));
461 253 : Metadata *Ops[] = {Filename, Directory, CS ? CS->Value : nullptr,
462 9983 : Source.getValueOr(nullptr)};
463 19460 : DEFINE_GETIMPL_STORE(DIFile, (CS, Source), Ops);
464 : }
465 :
466 4178 : DICompileUnit *DICompileUnit::getImpl(
467 : LLVMContext &Context, unsigned SourceLanguage, Metadata *File,
468 : MDString *Producer, bool IsOptimized, MDString *Flags,
469 : unsigned RuntimeVersion, MDString *SplitDebugFilename,
470 : unsigned EmissionKind, Metadata *EnumTypes, Metadata *RetainedTypes,
471 : Metadata *GlobalVariables, Metadata *ImportedEntities, Metadata *Macros,
472 : uint64_t DWOId, bool SplitDebugInlining, bool DebugInfoForProfiling,
473 : unsigned NameTableKind, StorageType Storage, bool ShouldCreate) {
474 : assert(Storage != Uniqued && "Cannot unique DICompileUnit");
475 : assert(isCanonical(Producer) && "Expected canonical MDString");
476 : assert(isCanonical(Flags) && "Expected canonical MDString");
477 : assert(isCanonical(SplitDebugFilename) && "Expected canonical MDString");
478 :
479 : Metadata *Ops[] = {
480 : File, Producer, Flags, SplitDebugFilename,
481 : EnumTypes, RetainedTypes, GlobalVariables, ImportedEntities,
482 4178 : Macros};
483 : return storeImpl(new (array_lengthof(Ops)) DICompileUnit(
484 : Context, Storage, SourceLanguage, IsOptimized,
485 : RuntimeVersion, EmissionKind, DWOId, SplitDebugInlining,
486 4178 : DebugInfoForProfiling, NameTableKind, Ops),
487 4178 : Storage);
488 : }
489 :
490 : Optional<DICompileUnit::DebugEmissionKind>
491 1901 : DICompileUnit::getEmissionKind(StringRef Str) {
492 1901 : return StringSwitch<Optional<DebugEmissionKind>>(Str)
493 1901 : .Case("NoDebug", NoDebug)
494 1901 : .Case("FullDebug", FullDebug)
495 1901 : .Case("LineTablesOnly", LineTablesOnly)
496 1901 : .Case("DebugDirectivesOnly", DebugDirectivesOnly)
497 1901 : .Default(None);
498 : }
499 :
500 : Optional<DICompileUnit::DebugNameTableKind>
501 38 : DICompileUnit::getNameTableKind(StringRef Str) {
502 38 : return StringSwitch<Optional<DebugNameTableKind>>(Str)
503 38 : .Case("Default", DebugNameTableKind::Default)
504 38 : .Case("GNU", DebugNameTableKind::GNU)
505 38 : .Case("None", DebugNameTableKind::None)
506 38 : .Default(None);
507 : }
508 :
509 1178 : const char *DICompileUnit::emissionKindString(DebugEmissionKind EK) {
510 1178 : switch (EK) {
511 : case NoDebug: return "NoDebug";
512 838 : case FullDebug: return "FullDebug";
513 200 : case LineTablesOnly: return "LineTablesOnly";
514 18 : case DebugDirectivesOnly: return "DebugDirectivesOnly";
515 : }
516 0 : return nullptr;
517 : }
518 :
519 470 : const char *DICompileUnit::nameTableKindString(DebugNameTableKind NTK) {
520 470 : switch (NTK) {
521 : case DebugNameTableKind::Default:
522 : return nullptr;
523 6 : case DebugNameTableKind::GNU:
524 6 : return "GNU";
525 464 : case DebugNameTableKind::None:
526 464 : return "None";
527 : }
528 : return nullptr;
529 : }
530 :
531 2912273 : DISubprogram *DILocalScope::getSubprogram() const {
532 : if (auto *Block = dyn_cast<DILexicalBlockBase>(this))
533 1145616 : return Block->getScope()->getSubprogram();
534 : return const_cast<DISubprogram *>(cast<DISubprogram>(this));
535 : }
536 :
537 6110846 : DILocalScope *DILocalScope::getNonLexicalBlockFileScope() const {
538 : if (auto *File = dyn_cast<DILexicalBlockFile>(this))
539 1340083 : return File->getScope()->getNonLexicalBlockFileScope();
540 : return const_cast<DILocalScope *>(this);
541 : }
542 :
543 83953 : DISubprogram *DISubprogram::getImpl(
544 : LLVMContext &Context, Metadata *Scope, MDString *Name,
545 : MDString *LinkageName, Metadata *File, unsigned Line, Metadata *Type,
546 : bool IsLocalToUnit, bool IsDefinition, unsigned ScopeLine,
547 : Metadata *ContainingType, unsigned Virtuality, unsigned VirtualIndex,
548 : int ThisAdjustment, DIFlags Flags, bool IsOptimized, Metadata *Unit,
549 : Metadata *TemplateParams, Metadata *Declaration, Metadata *RetainedNodes,
550 : Metadata *ThrownTypes, StorageType Storage, bool ShouldCreate) {
551 : assert(isCanonical(Name) && "Expected canonical MDString");
552 : assert(isCanonical(LinkageName) && "Expected canonical MDString");
553 111785 : DEFINE_GETIMPL_LOOKUP(
554 : DISubprogram, (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
555 : IsDefinition, ScopeLine, ContainingType, Virtuality,
556 : VirtualIndex, ThisAdjustment, Flags, IsOptimized, Unit,
557 : TemplateParams, Declaration, RetainedNodes, ThrownTypes));
558 : SmallVector<Metadata *, 11> Ops = {
559 : File, Scope, Name, LinkageName, Type, Unit,
560 83945 : Declaration, RetainedNodes, ContainingType, TemplateParams, ThrownTypes};
561 83945 : if (!ThrownTypes) {
562 : Ops.pop_back();
563 83910 : if (!TemplateParams) {
564 : Ops.pop_back();
565 78538 : if (!ContainingType)
566 : Ops.pop_back();
567 : }
568 : }
569 251835 : DEFINE_GETIMPL_STORE_N(DISubprogram,
570 : (Line, ScopeLine, Virtuality, VirtualIndex,
571 : ThisAdjustment, Flags, IsLocalToUnit, IsDefinition,
572 : IsOptimized),
573 : Ops, Ops.size());
574 : }
575 :
576 76975 : bool DISubprogram::describes(const Function *F) const {
577 : assert(F && "Invalid function");
578 76975 : if (F->getSubprogram() == this)
579 : return true;
580 : StringRef Name = getLinkageName();
581 60156 : if (Name.empty())
582 : Name = getName();
583 60156 : return F->getName() == Name;
584 : }
585 :
586 14462 : DILexicalBlock *DILexicalBlock::getImpl(LLVMContext &Context, Metadata *Scope,
587 : Metadata *File, unsigned Line,
588 : unsigned Column, StorageType Storage,
589 : bool ShouldCreate) {
590 : // Fixup column.
591 : adjustColumn(Column);
592 :
593 : assert(Scope && "Expected scope");
594 14504 : DEFINE_GETIMPL_LOOKUP(DILexicalBlock, (Scope, File, Line, Column));
595 14458 : Metadata *Ops[] = {File, Scope};
596 28916 : DEFINE_GETIMPL_STORE(DILexicalBlock, (Line, Column), Ops);
597 : }
598 :
599 247195 : DILexicalBlockFile *DILexicalBlockFile::getImpl(LLVMContext &Context,
600 : Metadata *Scope, Metadata *File,
601 : unsigned Discriminator,
602 : StorageType Storage,
603 : bool ShouldCreate) {
604 : assert(Scope && "Expected scope");
605 494389 : DEFINE_GETIMPL_LOOKUP(DILexicalBlockFile, (Scope, File, Discriminator));
606 15550 : Metadata *Ops[] = {File, Scope};
607 31100 : DEFINE_GETIMPL_STORE(DILexicalBlockFile, (Discriminator), Ops);
608 : }
609 :
610 2986 : DINamespace *DINamespace::getImpl(LLVMContext &Context, Metadata *Scope,
611 : MDString *Name, bool ExportSymbols,
612 : StorageType Storage, bool ShouldCreate) {
613 : assert(isCanonical(Name) && "Expected canonical MDString");
614 5971 : DEFINE_GETIMPL_LOOKUP(DINamespace, (Scope, Name, ExportSymbols));
615 : // The nullptr is for DIScope's File operand. This should be refactored.
616 650 : Metadata *Ops[] = {nullptr, Scope, Name};
617 1300 : DEFINE_GETIMPL_STORE(DINamespace, (ExportSymbols), Ops);
618 : }
619 :
620 97 : DIModule *DIModule::getImpl(LLVMContext &Context, Metadata *Scope,
621 : MDString *Name, MDString *ConfigurationMacros,
622 : MDString *IncludePath, MDString *ISysRoot,
623 : StorageType Storage, bool ShouldCreate) {
624 : assert(isCanonical(Name) && "Expected canonical MDString");
625 193 : DEFINE_GETIMPL_LOOKUP(
626 : DIModule, (Scope, Name, ConfigurationMacros, IncludePath, ISysRoot));
627 90 : Metadata *Ops[] = {Scope, Name, ConfigurationMacros, IncludePath, ISysRoot};
628 180 : DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIModule, Ops);
629 : }
630 :
631 14872 : DITemplateTypeParameter *DITemplateTypeParameter::getImpl(LLVMContext &Context,
632 : MDString *Name,
633 : Metadata *Type,
634 : StorageType Storage,
635 : bool ShouldCreate) {
636 : assert(isCanonical(Name) && "Expected canonical MDString");
637 29742 : DEFINE_GETIMPL_LOOKUP(DITemplateTypeParameter, (Name, Type));
638 4931 : Metadata *Ops[] = {Name, Type};
639 9862 : DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DITemplateTypeParameter, Ops);
640 : }
641 :
642 4120 : DITemplateValueParameter *DITemplateValueParameter::getImpl(
643 : LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *Type,
644 : Metadata *Value, StorageType Storage, bool ShouldCreate) {
645 : assert(isCanonical(Name) && "Expected canonical MDString");
646 8237 : DEFINE_GETIMPL_LOOKUP(DITemplateValueParameter, (Tag, Name, Type, Value));
647 1323 : Metadata *Ops[] = {Name, Type, Value};
648 2646 : DEFINE_GETIMPL_STORE(DITemplateValueParameter, (Tag), Ops);
649 : }
650 :
651 : DIGlobalVariable *
652 1993 : DIGlobalVariable::getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
653 : MDString *LinkageName, Metadata *File, unsigned Line,
654 : Metadata *Type, bool IsLocalToUnit, bool IsDefinition,
655 : Metadata *StaticDataMemberDeclaration,
656 : Metadata *TemplateParams, uint32_t AlignInBits,
657 : StorageType Storage, bool ShouldCreate) {
658 : assert(isCanonical(Name) && "Expected canonical MDString");
659 : assert(isCanonical(LinkageName) && "Expected canonical MDString");
660 2567 : DEFINE_GETIMPL_LOOKUP(DIGlobalVariable, (Scope, Name, LinkageName, File, Line,
661 : Type, IsLocalToUnit, IsDefinition,
662 : StaticDataMemberDeclaration,
663 : TemplateParams, AlignInBits));
664 : Metadata *Ops[] = {Scope,
665 : Name,
666 : File,
667 : Type,
668 : Name,
669 : LinkageName,
670 : StaticDataMemberDeclaration,
671 1992 : TemplateParams};
672 3984 : DEFINE_GETIMPL_STORE(DIGlobalVariable,
673 : (Line, IsLocalToUnit, IsDefinition, AlignInBits), Ops);
674 : }
675 :
676 37669 : DILocalVariable *DILocalVariable::getImpl(LLVMContext &Context, Metadata *Scope,
677 : MDString *Name, Metadata *File,
678 : unsigned Line, Metadata *Type,
679 : unsigned Arg, DIFlags Flags,
680 : uint32_t AlignInBits,
681 : StorageType Storage,
682 : bool ShouldCreate) {
683 : // 64K ought to be enough for any frontend.
684 : assert(Arg <= UINT16_MAX && "Expected argument number to fit in 16-bits");
685 :
686 : assert(Scope && "Expected scope");
687 : assert(isCanonical(Name) && "Expected canonical MDString");
688 75314 : DEFINE_GETIMPL_LOOKUP(DILocalVariable,
689 : (Scope, Name, File, Line, Type, Arg, Flags,
690 : AlignInBits));
691 37536 : Metadata *Ops[] = {Scope, Name, File, Type};
692 75072 : DEFINE_GETIMPL_STORE(DILocalVariable, (Line, Arg, Flags, AlignInBits), Ops);
693 : }
694 :
695 60549 : Optional<uint64_t> DIVariable::getSizeInBits() const {
696 : // This is used by the Verifier so be mindful of broken types.
697 : const Metadata *RawType = getRawType();
698 89252 : while (RawType) {
699 : // Try to get the size directly.
700 : if (auto *T = dyn_cast<DIType>(RawType))
701 89252 : if (uint64_t Size = T->getSizeInBits())
702 : return Size;
703 :
704 : if (auto *DT = dyn_cast<DIDerivedType>(RawType)) {
705 : // Look at the base type.
706 : RawType = DT->getRawBaseType();
707 : continue;
708 : }
709 :
710 : // Missing type or size.
711 : break;
712 : }
713 :
714 : // Fail gracefully.
715 : return None;
716 : }
717 :
718 35 : DILabel *DILabel::getImpl(LLVMContext &Context, Metadata *Scope,
719 : MDString *Name, Metadata *File, unsigned Line,
720 : StorageType Storage,
721 : bool ShouldCreate) {
722 : assert(Scope && "Expected scope");
723 : assert(isCanonical(Name) && "Expected canonical MDString");
724 70 : DEFINE_GETIMPL_LOOKUP(DILabel,
725 : (Scope, Name, File, Line));
726 35 : Metadata *Ops[] = {Scope, Name, File};
727 70 : DEFINE_GETIMPL_STORE(DILabel, (Line), Ops);
728 : }
729 :
730 64938 : DIExpression *DIExpression::getImpl(LLVMContext &Context,
731 : ArrayRef<uint64_t> Elements,
732 : StorageType Storage, bool ShouldCreate) {
733 129875 : DEFINE_GETIMPL_LOOKUP(DIExpression, (Elements));
734 3742 : DEFINE_GETIMPL_STORE_NO_OPS(DIExpression, (Elements));
735 : }
736 :
737 272017 : unsigned DIExpression::ExprOperand::getSize() const {
738 544034 : switch (getOp()) {
739 : case dwarf::DW_OP_LLVM_fragment:
740 : return 3;
741 156317 : case dwarf::DW_OP_constu:
742 : case dwarf::DW_OP_plus_uconst:
743 156317 : return 2;
744 112573 : default:
745 112573 : return 1;
746 : }
747 : }
748 :
749 35022 : bool DIExpression::isValid() const {
750 38465 : for (auto I = expr_op_begin(), E = expr_op_end(); I != E; ++I) {
751 : // Check that there's space for the operand.
752 4375 : if (I->get() + I->getSize() > E->get())
753 932 : return false;
754 :
755 : // Check that the operand is valid.
756 8744 : switch (I->getOp()) {
757 : default:
758 : return false;
759 : case dwarf::DW_OP_LLVM_fragment:
760 : // A fragment operator must appear at the end.
761 922 : return I->get() + I->getSize() == E->get();
762 : case dwarf::DW_OP_stack_value: {
763 : // Must be the last one or followed by a DW_OP_LLVM_fragment.
764 481 : if (I->get() + I->getSize() == E->get())
765 : break;
766 83 : auto J = I;
767 83 : if ((++J)->getOp() != dwarf::DW_OP_LLVM_fragment)
768 0 : return false;
769 : break;
770 : }
771 : case dwarf::DW_OP_swap: {
772 : // Must be more than one implicit element on the stack.
773 :
774 : // FIXME: A better way to implement this would be to add a local variable
775 : // that keeps track of the stack depth and introduce something like a
776 : // DW_LLVM_OP_implicit_location as a placeholder for the location this
777 : // DIExpression is attached to, or else pass the number of implicit stack
778 : // elements into isValid.
779 244 : if (getNumElements() == 1)
780 : return false;
781 : break;
782 : }
783 : case dwarf::DW_OP_constu:
784 : case dwarf::DW_OP_plus_uconst:
785 : case dwarf::DW_OP_plus:
786 : case dwarf::DW_OP_minus:
787 : case dwarf::DW_OP_mul:
788 : case dwarf::DW_OP_div:
789 : case dwarf::DW_OP_mod:
790 : case dwarf::DW_OP_or:
791 : case dwarf::DW_OP_and:
792 : case dwarf::DW_OP_xor:
793 : case dwarf::DW_OP_shl:
794 : case dwarf::DW_OP_shr:
795 : case dwarf::DW_OP_shra:
796 : case dwarf::DW_OP_deref:
797 : case dwarf::DW_OP_xderef:
798 : case dwarf::DW_OP_lit0:
799 : case dwarf::DW_OP_not:
800 : case dwarf::DW_OP_dup:
801 : break;
802 : }
803 : }
804 34090 : return true;
805 : }
806 :
807 : Optional<DIExpression::FragmentInfo>
808 551078 : DIExpression::getFragmentInfo(expr_op_iterator Start, expr_op_iterator End) {
809 757974 : for (auto I = Start; I != End; ++I)
810 219721 : if (I->getOp() == dwarf::DW_OP_LLVM_fragment) {
811 : DIExpression::FragmentInfo Info = {I->getArg(1), I->getArg(0)};
812 : return Info;
813 : }
814 : return None;
815 : }
816 :
817 24976 : void DIExpression::appendOffset(SmallVectorImpl<uint64_t> &Ops,
818 : int64_t Offset) {
819 24976 : if (Offset > 0) {
820 15140 : Ops.push_back(dwarf::DW_OP_plus_uconst);
821 15140 : Ops.push_back(Offset);
822 9836 : } else if (Offset < 0) {
823 1052 : Ops.push_back(dwarf::DW_OP_constu);
824 1052 : Ops.push_back(-Offset);
825 1052 : Ops.push_back(dwarf::DW_OP_minus);
826 : }
827 24976 : }
828 :
829 222 : bool DIExpression::extractIfOffset(int64_t &Offset) const {
830 222 : if (getNumElements() == 0) {
831 216 : Offset = 0;
832 216 : return true;
833 : }
834 :
835 6 : if (getNumElements() == 2 && Elements[0] == dwarf::DW_OP_plus_uconst) {
836 6 : Offset = Elements[1];
837 6 : return true;
838 : }
839 :
840 0 : if (getNumElements() == 3 && Elements[0] == dwarf::DW_OP_constu) {
841 0 : if (Elements[2] == dwarf::DW_OP_plus) {
842 0 : Offset = Elements[1];
843 0 : return true;
844 : }
845 0 : if (Elements[2] == dwarf::DW_OP_minus) {
846 0 : Offset = -Elements[1];
847 0 : return true;
848 : }
849 : }
850 :
851 : return false;
852 : }
853 :
854 14843 : DIExpression *DIExpression::prepend(const DIExpression *Expr, bool DerefBefore,
855 : int64_t Offset, bool DerefAfter,
856 : bool StackValue) {
857 : SmallVector<uint64_t, 8> Ops;
858 14843 : if (DerefBefore)
859 880 : Ops.push_back(dwarf::DW_OP_deref);
860 :
861 14843 : appendOffset(Ops, Offset);
862 14843 : if (DerefAfter)
863 9 : Ops.push_back(dwarf::DW_OP_deref);
864 :
865 14843 : return prependOpcodes(Expr, Ops, StackValue);
866 : }
867 :
868 19879 : DIExpression *DIExpression::prependOpcodes(const DIExpression *Expr,
869 : SmallVectorImpl<uint64_t> &Ops,
870 : bool StackValue) {
871 : assert(Expr && "Can't prepend ops to this expression");
872 :
873 : // If there are no ops to prepend, do not even add the DW_OP_stack_value.
874 19879 : if (Ops.empty())
875 : StackValue = false;
876 24488 : for (auto Op : Expr->expr_ops()) {
877 : // A DW_OP_stack_value comes at the end, but before a DW_OP_LLVM_fragment.
878 4609 : if (StackValue) {
879 2515 : if (Op.getOp() == dwarf::DW_OP_stack_value)
880 : StackValue = false;
881 1983 : else if (Op.getOp() == dwarf::DW_OP_LLVM_fragment) {
882 5 : Ops.push_back(dwarf::DW_OP_stack_value);
883 : StackValue = false;
884 : }
885 : }
886 4609 : Op.appendToVector(Ops);
887 : }
888 19879 : if (StackValue)
889 10207 : Ops.push_back(dwarf::DW_OP_stack_value);
890 19879 : return DIExpression::get(Expr->getContext(), Ops);
891 : }
892 :
893 5368 : DIExpression *DIExpression::append(const DIExpression *Expr,
894 : ArrayRef<uint64_t> Ops) {
895 : assert(Expr && !Ops.empty() && "Can't append ops to this expression");
896 :
897 : // Copy Expr's current op list.
898 : SmallVector<uint64_t, 16> NewOps;
899 5388 : for (auto Op : Expr->expr_ops()) {
900 : // Append new opcodes before DW_OP_{stack_value, LLVM_fragment}.
901 20 : if (Op.getOp() == dwarf::DW_OP_stack_value ||
902 : Op.getOp() == dwarf::DW_OP_LLVM_fragment) {
903 6 : NewOps.append(Ops.begin(), Ops.end());
904 :
905 : // Ensure that the new opcodes are only appended once.
906 : Ops = None;
907 : }
908 20 : Op.appendToVector(NewOps);
909 : }
910 :
911 5368 : NewOps.append(Ops.begin(), Ops.end());
912 5368 : return DIExpression::get(Expr->getContext(), NewOps);
913 : }
914 :
915 7 : DIExpression *DIExpression::appendToStack(const DIExpression *Expr,
916 : ArrayRef<uint64_t> Ops) {
917 : assert(Expr && !Ops.empty() && "Can't append ops to this expression");
918 : assert(none_of(Ops,
919 : [](uint64_t Op) {
920 : return Op == dwarf::DW_OP_stack_value ||
921 : Op == dwarf::DW_OP_LLVM_fragment;
922 : }) &&
923 : "Can't append this op");
924 :
925 : // Append a DW_OP_deref after Expr's current op list if it's non-empty and
926 : // has no DW_OP_stack_value.
927 : //
928 : // Match .* DW_OP_stack_value (DW_OP_LLVM_fragment A B)?.
929 : Optional<FragmentInfo> FI = Expr->getFragmentInfo();
930 7 : unsigned DropUntilStackValue = FI.hasValue() ? 3 : 0;
931 : ArrayRef<uint64_t> ExprOpsBeforeFragment =
932 7 : Expr->getElements().drop_back(DropUntilStackValue);
933 7 : bool NeedsDeref = (Expr->getNumElements() > DropUntilStackValue) &&
934 4 : (ExprOpsBeforeFragment.back() != dwarf::DW_OP_stack_value);
935 5 : bool NeedsStackValue = NeedsDeref || ExprOpsBeforeFragment.empty();
936 :
937 : // Append a DW_OP_deref after Expr's current op list if needed, then append
938 : // the new ops, and finally ensure that a single DW_OP_stack_value is present.
939 : SmallVector<uint64_t, 16> NewOps;
940 7 : if (NeedsDeref)
941 2 : NewOps.push_back(dwarf::DW_OP_deref);
942 14 : NewOps.append(Ops.begin(), Ops.end());
943 7 : if (NeedsStackValue)
944 5 : NewOps.push_back(dwarf::DW_OP_stack_value);
945 7 : return DIExpression::append(Expr, NewOps);
946 : }
947 :
948 414 : Optional<DIExpression *> DIExpression::createFragmentExpression(
949 : const DIExpression *Expr, unsigned OffsetInBits, unsigned SizeInBits) {
950 : SmallVector<uint64_t, 8> Ops;
951 : // Copy over the expression, but leave off any trailing DW_OP_LLVM_fragment.
952 414 : if (Expr) {
953 441 : for (auto Op : Expr->expr_ops()) {
954 62 : switch (Op.getOp()) {
955 : default: break;
956 : case dwarf::DW_OP_plus:
957 : case dwarf::DW_OP_minus:
958 : // We can't safely split arithmetic into multiple fragments because we
959 : // can't express carry-over between fragments.
960 : //
961 : // FIXME: We *could* preserve the lowest fragment of a constant offset
962 : // operation if the offset fits into SizeInBits.
963 4 : return None;
964 23 : case dwarf::DW_OP_LLVM_fragment: {
965 : // Make the new offset point into the existing fragment.
966 : uint64_t FragmentOffsetInBits = Op.getArg(0);
967 : uint64_t FragmentSizeInBits = Op.getArg(1);
968 : (void)FragmentSizeInBits;
969 : assert((OffsetInBits + SizeInBits <= FragmentSizeInBits) &&
970 : "new fragment outside of original fragment");
971 23 : OffsetInBits += FragmentOffsetInBits;
972 23 : continue;
973 : }
974 : }
975 4 : Op.appendToVector(Ops);
976 : }
977 : }
978 410 : Ops.push_back(dwarf::DW_OP_LLVM_fragment);
979 410 : Ops.push_back(OffsetInBits);
980 410 : Ops.push_back(SizeInBits);
981 410 : return DIExpression::get(Expr->getContext(), Ops);
982 : }
983 :
984 2171 : bool DIExpression::isConstant() const {
985 : // Recognize DW_OP_constu C DW_OP_stack_value (DW_OP_LLVM_fragment Len Ofs)?.
986 2171 : if (getNumElements() != 3 && getNumElements() != 6)
987 : return false;
988 31 : if (getElement(0) != dwarf::DW_OP_constu ||
989 : getElement(2) != dwarf::DW_OP_stack_value)
990 : return false;
991 28 : if (getNumElements() == 6 && getElement(3) != dwarf::DW_OP_LLVM_fragment)
992 0 : return false;
993 : return true;
994 : }
995 :
996 : DIGlobalVariableExpression *
997 1945 : DIGlobalVariableExpression::getImpl(LLVMContext &Context, Metadata *Variable,
998 : Metadata *Expression, StorageType Storage,
999 : bool ShouldCreate) {
1000 3792 : DEFINE_GETIMPL_LOOKUP(DIGlobalVariableExpression, (Variable, Expression));
1001 1942 : Metadata *Ops[] = {Variable, Expression};
1002 3884 : DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIGlobalVariableExpression, Ops);
1003 : }
1004 :
1005 123 : DIObjCProperty *DIObjCProperty::getImpl(
1006 : LLVMContext &Context, MDString *Name, Metadata *File, unsigned Line,
1007 : MDString *GetterName, MDString *SetterName, unsigned Attributes,
1008 : Metadata *Type, StorageType Storage, bool ShouldCreate) {
1009 : assert(isCanonical(Name) && "Expected canonical MDString");
1010 : assert(isCanonical(GetterName) && "Expected canonical MDString");
1011 : assert(isCanonical(SetterName) && "Expected canonical MDString");
1012 245 : DEFINE_GETIMPL_LOOKUP(DIObjCProperty, (Name, File, Line, GetterName,
1013 : SetterName, Attributes, Type));
1014 91 : Metadata *Ops[] = {Name, File, GetterName, SetterName, Type};
1015 182 : DEFINE_GETIMPL_STORE(DIObjCProperty, (Line, Attributes), Ops);
1016 : }
1017 :
1018 16764 : DIImportedEntity *DIImportedEntity::getImpl(LLVMContext &Context, unsigned Tag,
1019 : Metadata *Scope, Metadata *Entity,
1020 : Metadata *File, unsigned Line,
1021 : MDString *Name, StorageType Storage,
1022 : bool ShouldCreate) {
1023 : assert(isCanonical(Name) && "Expected canonical MDString");
1024 33527 : DEFINE_GETIMPL_LOOKUP(DIImportedEntity,
1025 : (Tag, Scope, Entity, File, Line, Name));
1026 16758 : Metadata *Ops[] = {Scope, Entity, Name, File};
1027 33516 : DEFINE_GETIMPL_STORE(DIImportedEntity, (Tag, Line), Ops);
1028 : }
1029 :
1030 1462 : DIMacro *DIMacro::getImpl(LLVMContext &Context, unsigned MIType,
1031 : unsigned Line, MDString *Name, MDString *Value,
1032 : StorageType Storage, bool ShouldCreate) {
1033 : assert(isCanonical(Name) && "Expected canonical MDString");
1034 2924 : DEFINE_GETIMPL_LOOKUP(DIMacro, (MIType, Line, Name, Value));
1035 1451 : Metadata *Ops[] = { Name, Value };
1036 2902 : DEFINE_GETIMPL_STORE(DIMacro, (MIType, Line), Ops);
1037 : }
1038 :
1039 92 : DIMacroFile *DIMacroFile::getImpl(LLVMContext &Context, unsigned MIType,
1040 : unsigned Line, Metadata *File,
1041 : Metadata *Elements, StorageType Storage,
1042 : bool ShouldCreate) {
1043 162 : DEFINE_GETIMPL_LOOKUP(DIMacroFile,
1044 : (MIType, Line, File, Elements));
1045 90 : Metadata *Ops[] = { File, Elements };
1046 180 : DEFINE_GETIMPL_STORE(DIMacroFile, (MIType, Line), Ops);
1047 : }
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