1 //===- llvm/IR/DebugInfoMetadata.h - Debug info metadata --------*- 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 // Declarations for metadata specific to debug info.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_IR_DEBUGINFOMETADATA_H
15 #define LLVM_IR_DEBUGINFOMETADATA_H
17 #include "llvm/IR/Metadata.h"
18 #include "llvm/Support/Dwarf.h"
20 // Helper macros for defining get() overrides.
21 #define DEFINE_MDNODE_GET_UNPACK_IMPL(...) __VA_ARGS__
22 #define DEFINE_MDNODE_GET_UNPACK(ARGS) DEFINE_MDNODE_GET_UNPACK_IMPL ARGS
23 #define DEFINE_MDNODE_GET(CLASS, FORMAL, ARGS) \
24 static CLASS *get(LLVMContext &Context, DEFINE_MDNODE_GET_UNPACK(FORMAL)) { \
25 return getImpl(Context, DEFINE_MDNODE_GET_UNPACK(ARGS), Uniqued); \
27 static CLASS *getIfExists(LLVMContext &Context, \
28 DEFINE_MDNODE_GET_UNPACK(FORMAL)) { \
29 return getImpl(Context, DEFINE_MDNODE_GET_UNPACK(ARGS), Uniqued, \
30 /* ShouldCreate */ false); \
32 static CLASS *getDistinct(LLVMContext &Context, \
33 DEFINE_MDNODE_GET_UNPACK(FORMAL)) { \
34 return getImpl(Context, DEFINE_MDNODE_GET_UNPACK(ARGS), Distinct); \
36 static Temp##CLASS getTemporary(LLVMContext &Context, \
37 DEFINE_MDNODE_GET_UNPACK(FORMAL)) { \
39 getImpl(Context, DEFINE_MDNODE_GET_UNPACK(ARGS), Temporary)); \
44 /// \brief Debug location.
46 /// A debug location in source code, used for debug info and otherwise.
47 class MDLocation : public MDNode {
48 friend class LLVMContextImpl;
51 MDLocation(LLVMContext &C, StorageType Storage, unsigned Line,
52 unsigned Column, ArrayRef<Metadata *> MDs);
53 ~MDLocation() { dropAllReferences(); }
55 static MDLocation *getImpl(LLVMContext &Context, unsigned Line,
56 unsigned Column, Metadata *Scope,
57 Metadata *InlinedAt, StorageType Storage,
58 bool ShouldCreate = true);
60 TempMDLocation cloneImpl() const {
61 return getTemporary(getContext(), getLine(), getColumn(), getScope(),
65 // Disallow replacing operands.
66 void replaceOperandWith(unsigned I, Metadata *New) LLVM_DELETED_FUNCTION;
69 DEFINE_MDNODE_GET(MDLocation,
70 (unsigned Line, unsigned Column, Metadata *Scope,
71 Metadata *InlinedAt = nullptr),
72 (Line, Column, Scope, InlinedAt))
74 /// \brief Return a (temporary) clone of this.
75 TempMDLocation clone() const { return cloneImpl(); }
77 unsigned getLine() const { return SubclassData32; }
78 unsigned getColumn() const { return SubclassData16; }
79 Metadata *getScope() const { return getOperand(0); }
80 Metadata *getInlinedAt() const {
81 if (getNumOperands() == 2)
86 static bool classof(const Metadata *MD) {
87 return MD->getMetadataID() == MDLocationKind;
91 /// \brief Tagged DWARF-like metadata node.
93 /// A metadata node with a DWARF tag (i.e., a constant named \c DW_TAG_*,
94 /// defined in llvm/Support/Dwarf.h). Called \a DebugNode because it's
95 /// potentially used for non-DWARF output.
96 class DebugNode : public MDNode {
97 friend class LLVMContextImpl;
101 DebugNode(LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag,
102 ArrayRef<Metadata *> Ops1, ArrayRef<Metadata *> Ops2 = None)
103 : MDNode(C, ID, Storage, Ops1, Ops2) {
104 assert(Tag < 1u << 16);
105 SubclassData16 = Tag;
109 template <class Ty> Ty *getOperandAs(unsigned I) const {
110 return cast_or_null<Ty>(getOperand(I));
113 StringRef getStringOperand(unsigned I) const {
114 if (auto *S = getOperandAs<MDString>(I))
115 return S->getString();
119 static MDString *getCanonicalMDString(LLVMContext &Context, StringRef S) {
122 return MDString::get(Context, S);
126 unsigned getTag() const { return SubclassData16; }
128 static bool classof(const Metadata *MD) {
129 switch (MD->getMetadataID()) {
132 case GenericDebugNodeKind:
134 case MDEnumeratorKind:
135 case MDBasicTypeKind:
136 case MDDerivedTypeKind:
137 case MDCompositeTypeKind:
138 case MDSubroutineTypeKind:
140 case MDCompileUnitKind:
141 case MDSubprogramKind:
142 case MDLexicalBlockKind:
143 case MDLexicalBlockFileKind:
144 case MDNamespaceKind:
145 case MDTemplateTypeParameterKind:
146 case MDTemplateValueParameterKind:
147 case MDGlobalVariableKind:
148 case MDLocalVariableKind:
149 case MDExpressionKind:
150 case MDObjCPropertyKind:
151 case MDImportedEntityKind:
157 /// \brief Generic tagged DWARF-like metadata node.
159 /// An un-specialized DWARF-like metadata node. The first operand is a
160 /// (possibly empty) null-separated \a MDString header that contains arbitrary
161 /// fields. The remaining operands are \a dwarf_operands(), and are pointers
162 /// to other metadata.
163 class GenericDebugNode : public DebugNode {
164 friend class LLVMContextImpl;
167 GenericDebugNode(LLVMContext &C, StorageType Storage, unsigned Hash,
168 unsigned Tag, ArrayRef<Metadata *> Ops1,
169 ArrayRef<Metadata *> Ops2)
170 : DebugNode(C, GenericDebugNodeKind, Storage, Tag, Ops1, Ops2) {
173 ~GenericDebugNode() { dropAllReferences(); }
175 void setHash(unsigned Hash) { SubclassData32 = Hash; }
176 void recalculateHash();
178 static GenericDebugNode *getImpl(LLVMContext &Context, unsigned Tag,
180 ArrayRef<Metadata *> DwarfOps,
182 bool ShouldCreate = true) {
183 return getImpl(Context, Tag, getCanonicalMDString(Context, Header),
184 DwarfOps, Storage, ShouldCreate);
187 static GenericDebugNode *getImpl(LLVMContext &Context, unsigned Tag,
189 ArrayRef<Metadata *> DwarfOps,
191 bool ShouldCreate = true);
193 TempGenericDebugNode cloneImpl() const {
195 getContext(), getTag(), getHeader(),
196 SmallVector<Metadata *, 4>(dwarf_op_begin(), dwarf_op_end()));
200 unsigned getHash() const { return SubclassData32; }
202 DEFINE_MDNODE_GET(GenericDebugNode, (unsigned Tag, StringRef Header,
203 ArrayRef<Metadata *> DwarfOps),
204 (Tag, Header, DwarfOps))
205 DEFINE_MDNODE_GET(GenericDebugNode, (unsigned Tag, MDString *Header,
206 ArrayRef<Metadata *> DwarfOps),
207 (Tag, Header, DwarfOps))
209 /// \brief Return a (temporary) clone of this.
210 TempGenericDebugNode clone() const { return cloneImpl(); }
212 unsigned getTag() const { return SubclassData16; }
213 StringRef getHeader() const { return getStringOperand(0); }
215 op_iterator dwarf_op_begin() const { return op_begin() + 1; }
216 op_iterator dwarf_op_end() const { return op_end(); }
217 op_range dwarf_operands() const {
218 return op_range(dwarf_op_begin(), dwarf_op_end());
221 unsigned getNumDwarfOperands() const { return getNumOperands() - 1; }
222 const MDOperand &getDwarfOperand(unsigned I) const {
223 return getOperand(I + 1);
225 void replaceDwarfOperandWith(unsigned I, Metadata *New) {
226 replaceOperandWith(I + 1, New);
229 static bool classof(const Metadata *MD) {
230 return MD->getMetadataID() == GenericDebugNodeKind;
234 /// \brief Array subrange.
236 /// TODO: Merge into node for DW_TAG_array_type, which should have a custom
238 class MDSubrange : public DebugNode {
239 friend class LLVMContextImpl;
245 MDSubrange(LLVMContext &C, StorageType Storage, int64_t Count, int64_t Lo)
246 : DebugNode(C, MDSubrangeKind, Storage, dwarf::DW_TAG_subrange_type,
248 Count(Count), Lo(Lo) {}
251 static MDSubrange *getImpl(LLVMContext &Context, int64_t Count, int64_t Lo,
252 StorageType Storage, bool ShouldCreate = true);
254 TempMDSubrange cloneImpl() const {
255 return getTemporary(getContext(), getCount(), getLo());
259 DEFINE_MDNODE_GET(MDSubrange, (int64_t Count, int64_t Lo = 0), (Count, Lo))
261 TempMDSubrange clone() const { return cloneImpl(); }
263 int64_t getLo() const { return Lo; }
264 int64_t getCount() const { return Count; }
266 static bool classof(const Metadata *MD) {
267 return MD->getMetadataID() == MDSubrangeKind;
271 /// \brief Enumeration value.
273 /// TODO: Add a pointer to the context (DW_TAG_enumeration_type) once that no
274 /// longer creates a type cycle.
275 class MDEnumerator : public DebugNode {
276 friend class LLVMContextImpl;
281 MDEnumerator(LLVMContext &C, StorageType Storage, int64_t Value,
282 ArrayRef<Metadata *> Ops)
283 : DebugNode(C, MDEnumeratorKind, Storage, dwarf::DW_TAG_enumerator, Ops),
287 static MDEnumerator *getImpl(LLVMContext &Context, int64_t Value,
288 StringRef Name, StorageType Storage,
289 bool ShouldCreate = true) {
290 return getImpl(Context, Value, getCanonicalMDString(Context, Name), Storage,
293 static MDEnumerator *getImpl(LLVMContext &Context, int64_t Value,
294 MDString *Name, StorageType Storage,
295 bool ShouldCreate = true);
297 TempMDEnumerator cloneImpl() const {
298 return getTemporary(getContext(), getValue(), getName());
302 DEFINE_MDNODE_GET(MDEnumerator, (int64_t Value, StringRef Name),
304 DEFINE_MDNODE_GET(MDEnumerator, (int64_t Value, MDString *Name),
307 TempMDEnumerator clone() const { return cloneImpl(); }
309 int64_t getValue() const { return Value; }
310 StringRef getName() const { return getStringOperand(0); }
312 MDString *getRawName() const { return getOperandAs<MDString>(0); }
314 static bool classof(const Metadata *MD) {
315 return MD->getMetadataID() == MDEnumeratorKind;
319 /// \brief Base class for scope-like contexts.
321 /// Base class for lexical scopes and types (which are also declaration
324 /// TODO: Separate the concepts of declaration contexts and lexical scopes.
325 class MDScope : public DebugNode {
327 MDScope(LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag,
328 ArrayRef<Metadata *> Ops)
329 : DebugNode(C, ID, Storage, Tag, Ops) {}
333 Metadata *getFile() const { return getOperand(0); }
335 static bool classof(const Metadata *MD) {
336 switch (MD->getMetadataID()) {
339 case MDBasicTypeKind:
340 case MDDerivedTypeKind:
341 case MDCompositeTypeKind:
342 case MDSubroutineTypeKind:
344 case MDCompileUnitKind:
345 case MDSubprogramKind:
346 case MDLexicalBlockKind:
347 case MDLexicalBlockFileKind:
348 case MDNamespaceKind:
354 /// \brief Base class for types.
356 /// TODO: Remove the hardcoded name and context, since many types don't use
358 /// TODO: Split up flags.
359 class MDType : public MDScope {
362 unsigned AlignInBits;
363 unsigned OffsetInBits;
367 MDType(LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag,
368 unsigned Line, unsigned SizeInBits, unsigned AlignInBits,
369 unsigned OffsetInBits, unsigned Flags, ArrayRef<Metadata *> Ops)
370 : MDScope(C, ID, Storage, Tag, Ops), Line(Line), SizeInBits(SizeInBits),
371 AlignInBits(AlignInBits), OffsetInBits(OffsetInBits), Flags(Flags) {}
375 unsigned getLine() const { return Line; }
376 unsigned getSizeInBits() const { return SizeInBits; }
377 unsigned getAlignInBits() const { return AlignInBits; }
378 unsigned getOffsetInBits() const { return OffsetInBits; }
379 unsigned getFlags() const { return Flags; }
381 Metadata *getScope() const { return getOperand(1); }
382 StringRef getName() const { return getStringOperand(2); }
384 MDString *getRawName() const { return getOperandAs<MDString>(2); }
386 static bool classof(const Metadata *MD) {
387 switch (MD->getMetadataID()) {
390 case MDBasicTypeKind:
391 case MDDerivedTypeKind:
392 case MDCompositeTypeKind:
393 case MDSubroutineTypeKind:
399 /// \brief Basic type.
401 /// TODO: Split out DW_TAG_unspecified_type.
402 /// TODO: Drop unused accessors.
403 class MDBasicType : public MDType {
404 friend class LLVMContextImpl;
409 MDBasicType(LLVMContext &C, StorageType Storage, unsigned Tag,
410 unsigned SizeInBits, unsigned AlignInBits, unsigned Encoding,
411 ArrayRef<Metadata *> Ops)
412 : MDType(C, MDBasicTypeKind, Storage, Tag, 0, SizeInBits, AlignInBits, 0,
414 Encoding(Encoding) {}
417 static MDBasicType *getImpl(LLVMContext &Context, unsigned Tag,
418 StringRef Name, unsigned SizeInBits,
419 unsigned AlignInBits, unsigned Encoding,
420 StorageType Storage, bool ShouldCreate = true) {
421 return getImpl(Context, Tag, getCanonicalMDString(Context, Name),
422 SizeInBits, AlignInBits, Encoding, Storage, ShouldCreate);
424 static MDBasicType *getImpl(LLVMContext &Context, unsigned Tag,
425 MDString *Name, unsigned SizeInBits,
426 unsigned AlignInBits, unsigned Encoding,
427 StorageType Storage, bool ShouldCreate = true);
429 TempMDBasicType cloneImpl() const {
430 return getTemporary(getContext(), getTag(), getName(), getSizeInBits(),
431 getAlignInBits(), getEncoding());
435 DEFINE_MDNODE_GET(MDBasicType,
436 (unsigned Tag, StringRef Name, unsigned SizeInBits,
437 unsigned AlignInBits, unsigned Encoding),
438 (Tag, Name, SizeInBits, AlignInBits, Encoding))
439 DEFINE_MDNODE_GET(MDBasicType,
440 (unsigned Tag, MDString *Name, unsigned SizeInBits,
441 unsigned AlignInBits, unsigned Encoding),
442 (Tag, Name, SizeInBits, AlignInBits, Encoding))
444 TempMDBasicType clone() const { return cloneImpl(); }
446 unsigned getEncoding() const { return Encoding; }
448 static bool classof(const Metadata *MD) {
449 return MD->getMetadataID() == MDBasicTypeKind;
453 /// \brief Base class for MDDerivedType and MDCompositeType.
455 /// TODO: Delete; they're not really related.
456 class MDDerivedTypeBase : public MDType {
458 MDDerivedTypeBase(LLVMContext &C, unsigned ID, StorageType Storage,
459 unsigned Tag, unsigned Line, unsigned SizeInBits,
460 unsigned AlignInBits, unsigned OffsetInBits, unsigned Flags,
461 ArrayRef<Metadata *> Ops)
462 : MDType(C, ID, Storage, Tag, Line, SizeInBits, AlignInBits, OffsetInBits,
464 ~MDDerivedTypeBase() {}
467 Metadata *getBaseType() const { return getOperand(3); }
469 static bool classof(const Metadata *MD) {
470 return MD->getMetadataID() == MDDerivedTypeKind ||
471 MD->getMetadataID() == MDCompositeTypeKind ||
472 MD->getMetadataID() == MDSubroutineTypeKind;
476 /// \brief Derived types.
478 /// This includes qualified types, pointers, references, friends, typedefs, and
481 /// TODO: Split out members (inheritance, fields, methods, etc.).
482 class MDDerivedType : public MDDerivedTypeBase {
483 friend class LLVMContextImpl;
486 MDDerivedType(LLVMContext &C, StorageType Storage, unsigned Tag,
487 unsigned Line, unsigned SizeInBits, unsigned AlignInBits,
488 unsigned OffsetInBits, unsigned Flags, ArrayRef<Metadata *> Ops)
489 : MDDerivedTypeBase(C, MDDerivedTypeKind, Storage, Tag, Line, SizeInBits,
490 AlignInBits, OffsetInBits, Flags, Ops) {}
493 static MDDerivedType *getImpl(LLVMContext &Context, unsigned Tag,
494 StringRef Name, Metadata *File, unsigned Line,
495 Metadata *Scope, Metadata *BaseType,
496 unsigned SizeInBits, unsigned AlignInBits,
497 unsigned OffsetInBits, unsigned Flags,
498 Metadata *ExtraData, StorageType Storage,
499 bool ShouldCreate = true) {
500 return getImpl(Context, Tag, getCanonicalMDString(Context, Name), File,
501 Line, Scope, BaseType, SizeInBits, AlignInBits, OffsetInBits,
502 Flags, ExtraData, Storage, ShouldCreate);
504 static MDDerivedType *getImpl(LLVMContext &Context, unsigned Tag,
505 MDString *Name, Metadata *File, unsigned Line,
506 Metadata *Scope, Metadata *BaseType,
507 unsigned SizeInBits, unsigned AlignInBits,
508 unsigned OffsetInBits, unsigned Flags,
509 Metadata *ExtraData, StorageType Storage,
510 bool ShouldCreate = true);
512 TempMDDerivedType cloneImpl() const {
513 return getTemporary(getContext(), getTag(), getName(), getFile(), getLine(),
514 getScope(), getBaseType(), getSizeInBits(),
515 getAlignInBits(), getOffsetInBits(), getFlags(),
520 DEFINE_MDNODE_GET(MDDerivedType,
521 (unsigned Tag, MDString *Name, Metadata *File,
522 unsigned Line, Metadata *Scope, Metadata *BaseType,
523 unsigned SizeInBits, unsigned AlignInBits,
524 unsigned OffsetInBits, unsigned Flags,
525 Metadata *ExtraData = nullptr),
526 (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
527 AlignInBits, OffsetInBits, Flags, ExtraData))
528 DEFINE_MDNODE_GET(MDDerivedType,
529 (unsigned Tag, StringRef Name, Metadata *File,
530 unsigned Line, Metadata *Scope, Metadata *BaseType,
531 unsigned SizeInBits, unsigned AlignInBits,
532 unsigned OffsetInBits, unsigned Flags,
533 Metadata *ExtraData = nullptr),
534 (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
535 AlignInBits, OffsetInBits, Flags, ExtraData))
537 TempMDDerivedType clone() const { return cloneImpl(); }
539 /// \brief Get extra data associated with this derived type.
541 /// Class type for pointer-to-members, objective-c property node for ivars,
542 /// or global constant wrapper for static members.
544 /// TODO: Separate out types that need this extra operand: pointer-to-member
545 /// types and member fields (static members and ivars).
546 Metadata *getExtraData() const { return getOperand(4); }
548 static bool classof(const Metadata *MD) {
549 return MD->getMetadataID() == MDDerivedTypeKind;
553 /// \brief Base class for MDCompositeType and MDSubroutineType.
555 /// TODO: Delete; they're not really related.
556 class MDCompositeTypeBase : public MDDerivedTypeBase {
557 unsigned RuntimeLang;
560 MDCompositeTypeBase(LLVMContext &C, unsigned ID, StorageType Storage,
561 unsigned Tag, unsigned Line, unsigned RuntimeLang,
562 unsigned SizeInBits, unsigned AlignInBits,
563 unsigned OffsetInBits, unsigned Flags,
564 ArrayRef<Metadata *> Ops)
565 : MDDerivedTypeBase(C, ID, Storage, Tag, Line, SizeInBits, AlignInBits,
566 OffsetInBits, Flags, Ops),
567 RuntimeLang(RuntimeLang) {}
568 ~MDCompositeTypeBase() {}
571 Metadata *getElements() const { return getOperand(4); }
572 Metadata *getVTableHolder() const { return getOperand(5); }
573 Metadata *getTemplateParams() const { return getOperand(6); }
574 StringRef getIdentifier() const { return getStringOperand(7); }
575 unsigned getRuntimeLang() const { return RuntimeLang; }
577 MDString *getRawIdentifier() const { return getOperandAs<MDString>(7); }
579 static bool classof(const Metadata *MD) {
580 return MD->getMetadataID() == MDCompositeTypeKind ||
581 MD->getMetadataID() == MDSubroutineTypeKind;
585 /// \brief Composite types.
587 /// TODO: Detach from DerivedTypeBase (split out MDEnumType?).
588 /// TODO: Create a custom, unrelated node for DW_TAG_array_type.
589 class MDCompositeType : public MDCompositeTypeBase {
590 friend class LLVMContextImpl;
593 MDCompositeType(LLVMContext &C, StorageType Storage, unsigned Tag,
594 unsigned Line, unsigned RuntimeLang, unsigned SizeInBits,
595 unsigned AlignInBits, unsigned OffsetInBits, unsigned Flags,
596 ArrayRef<Metadata *> Ops)
597 : MDCompositeTypeBase(C, MDCompositeTypeKind, Storage, Tag, Line,
598 RuntimeLang, SizeInBits, AlignInBits, OffsetInBits,
600 ~MDCompositeType() {}
602 static MDCompositeType *
603 getImpl(LLVMContext &Context, unsigned Tag, StringRef Name, Metadata *File,
604 unsigned Line, Metadata *Scope, Metadata *BaseType,
605 unsigned SizeInBits, unsigned AlignInBits, unsigned OffsetInBits,
606 unsigned Flags, Metadata *Elements, unsigned RuntimeLang,
607 Metadata *VTableHolder, Metadata *TemplateParams,
608 StringRef Identifier, StorageType Storage, bool ShouldCreate = true) {
609 return getImpl(Context, Tag, getCanonicalMDString(Context, Name), File,
610 Line, Scope, BaseType, SizeInBits, AlignInBits, OffsetInBits,
611 Flags, Elements, RuntimeLang, VTableHolder, TemplateParams,
612 getCanonicalMDString(Context, Identifier), Storage,
615 static MDCompositeType *
616 getImpl(LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
617 unsigned Line, Metadata *Scope, Metadata *BaseType,
618 unsigned SizeInBits, unsigned AlignInBits, unsigned OffsetInBits,
619 unsigned Flags, Metadata *Elements, unsigned RuntimeLang,
620 Metadata *VTableHolder, Metadata *TemplateParams,
621 MDString *Identifier, StorageType Storage, bool ShouldCreate = true);
623 TempMDCompositeType cloneImpl() const {
624 return getTemporary(getContext(), getTag(), getName(), getFile(), getLine(),
625 getScope(), getBaseType(), getSizeInBits(),
626 getAlignInBits(), getOffsetInBits(), getFlags(),
627 getElements(), getRuntimeLang(), getVTableHolder(),
628 getTemplateParams(), getIdentifier());
632 DEFINE_MDNODE_GET(MDCompositeType,
633 (unsigned Tag, StringRef Name, Metadata *File,
634 unsigned Line, Metadata *Scope, Metadata *BaseType,
635 unsigned SizeInBits, unsigned AlignInBits,
636 unsigned OffsetInBits, unsigned Flags, Metadata *Elements,
637 unsigned RuntimeLang, Metadata *VTableHolder,
638 Metadata *TemplateParams = nullptr,
639 StringRef Identifier = ""),
640 (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
641 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
642 VTableHolder, TemplateParams, Identifier))
643 DEFINE_MDNODE_GET(MDCompositeType,
644 (unsigned Tag, MDString *Name, Metadata *File,
645 unsigned Line, Metadata *Scope, Metadata *BaseType,
646 unsigned SizeInBits, unsigned AlignInBits,
647 unsigned OffsetInBits, unsigned Flags, Metadata *Elements,
648 unsigned RuntimeLang, Metadata *VTableHolder,
649 Metadata *TemplateParams = nullptr,
650 MDString *Identifier = nullptr),
651 (Tag, Name, File, Line, Scope, BaseType, SizeInBits,
652 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang,
653 VTableHolder, TemplateParams, Identifier))
655 TempMDCompositeType clone() const { return cloneImpl(); }
657 static bool classof(const Metadata *MD) {
658 return MD->getMetadataID() == MDCompositeTypeKind;
662 /// \brief Type array for a subprogram.
664 /// TODO: Detach from CompositeType, and fold the array of types in directly
666 class MDSubroutineType : public MDCompositeTypeBase {
667 friend class LLVMContextImpl;
670 MDSubroutineType(LLVMContext &C, StorageType Storage, unsigned Flags,
671 ArrayRef<Metadata *> Ops)
672 : MDCompositeTypeBase(C, MDSubroutineTypeKind, Storage,
673 dwarf::DW_TAG_subroutine_type, 0, 0, 0, 0, 0, Flags,
675 ~MDSubroutineType() {}
677 static MDSubroutineType *getImpl(LLVMContext &Context, unsigned Flags,
678 Metadata *TypeArray, StorageType Storage,
679 bool ShouldCreate = true);
681 TempMDSubroutineType cloneImpl() const {
682 return getTemporary(getContext(), getFlags(), getTypeArray());
686 DEFINE_MDNODE_GET(MDSubroutineType, (unsigned Flags, Metadata *TypeArray),
689 TempMDSubroutineType clone() const { return cloneImpl(); }
691 Metadata *getTypeArray() const { return getElements(); }
693 static bool classof(const Metadata *MD) {
694 return MD->getMetadataID() == MDSubroutineTypeKind;
700 /// TODO: Merge with directory/file node (including users).
701 /// TODO: Canonicalize paths on creation.
702 class MDFile : public MDScope {
703 friend class LLVMContextImpl;
706 MDFile(LLVMContext &C, StorageType Storage, ArrayRef<Metadata *> Ops)
707 : MDScope(C, MDFileKind, Storage, dwarf::DW_TAG_file_type, Ops) {}
710 static MDFile *getImpl(LLVMContext &Context, StringRef Filename,
711 StringRef Directory, StorageType Storage,
712 bool ShouldCreate = true) {
713 return getImpl(Context, getCanonicalMDString(Context, Filename),
714 getCanonicalMDString(Context, Directory), Storage,
717 static MDFile *getImpl(LLVMContext &Context, MDString *Filename,
718 MDString *Directory, StorageType Storage,
719 bool ShouldCreate = true);
721 TempMDFile cloneImpl() const {
722 return getTemporary(getContext(), getFilename(), getDirectory());
726 DEFINE_MDNODE_GET(MDFile, (StringRef Filename, StringRef Directory),
727 (Filename, Directory))
728 DEFINE_MDNODE_GET(MDFile, (MDString * Filename, MDString *Directory),
729 (Filename, Directory))
731 TempMDFile clone() const { return cloneImpl(); }
733 MDTuple *getFileNode() const { return cast<MDTuple>(getOperand(0)); }
735 StringRef getFilename() const {
736 if (auto *S = getRawFilename())
737 return S->getString();
740 StringRef getDirectory() const {
741 if (auto *S = getRawDirectory())
742 return S->getString();
746 MDString *getRawFilename() const {
747 return cast_or_null<MDString>(getFileNode()->getOperand(0));
749 MDString *getRawDirectory() const {
750 return cast_or_null<MDString>(getFileNode()->getOperand(1));
753 static bool classof(const Metadata *MD) {
754 return MD->getMetadataID() == MDFileKind;
758 /// \brief Compile unit.
759 class MDCompileUnit : public MDScope {
760 friend class LLVMContextImpl;
763 unsigned SourceLanguage;
765 unsigned RuntimeVersion;
766 unsigned EmissionKind;
768 MDCompileUnit(LLVMContext &C, StorageType Storage, unsigned SourceLanguage,
769 bool IsOptimized, unsigned RuntimeVersion,
770 unsigned EmissionKind, ArrayRef<Metadata *> Ops)
771 : MDScope(C, MDCompileUnitKind, Storage, dwarf::DW_TAG_compile_unit, Ops),
772 SourceLanguage(SourceLanguage), IsOptimized(IsOptimized),
773 RuntimeVersion(RuntimeVersion), EmissionKind(EmissionKind) {}
776 static MDCompileUnit *
777 getImpl(LLVMContext &Context, unsigned SourceLanguage, Metadata *File,
778 StringRef Producer, bool IsOptimized, StringRef Flags,
779 unsigned RuntimeVersion, StringRef SplitDebugFilename,
780 unsigned EmissionKind, Metadata *EnumTypes, Metadata *RetainedTypes,
781 Metadata *Subprograms, Metadata *GlobalVariables,
782 Metadata *ImportedEntities, StorageType Storage,
783 bool ShouldCreate = true) {
784 return getImpl(Context, SourceLanguage, File,
785 getCanonicalMDString(Context, Producer), IsOptimized,
786 getCanonicalMDString(Context, Flags), RuntimeVersion,
787 getCanonicalMDString(Context, SplitDebugFilename),
788 EmissionKind, EnumTypes, RetainedTypes, Subprograms,
789 GlobalVariables, ImportedEntities, Storage, ShouldCreate);
791 static MDCompileUnit *
792 getImpl(LLVMContext &Context, unsigned SourceLanguage, Metadata *File,
793 MDString *Producer, bool IsOptimized, MDString *Flags,
794 unsigned RuntimeVersion, MDString *SplitDebugFilename,
795 unsigned EmissionKind, Metadata *EnumTypes, Metadata *RetainedTypes,
796 Metadata *Subprograms, Metadata *GlobalVariables,
797 Metadata *ImportedEntities, StorageType Storage,
798 bool ShouldCreate = true);
800 TempMDCompileUnit cloneImpl() const {
802 getContext(), getSourceLanguage(), getFile(), getProducer(),
803 isOptimized(), getFlags(), getRuntimeVersion(), getSplitDebugFilename(),
804 getEmissionKind(), getEnumTypes(), getRetainedTypes(), getSubprograms(),
805 getGlobalVariables(), getImportedEntities());
809 DEFINE_MDNODE_GET(MDCompileUnit,
810 (unsigned SourceLanguage, Metadata *File,
811 StringRef Producer, bool IsOptimized, StringRef Flags,
812 unsigned RuntimeVersion, StringRef SplitDebugFilename,
813 unsigned EmissionKind, Metadata *EnumTypes,
814 Metadata *RetainedTypes, Metadata *Subprograms,
815 Metadata *GlobalVariables, Metadata *ImportedEntities),
816 (SourceLanguage, File, Producer, IsOptimized, Flags,
817 RuntimeVersion, SplitDebugFilename, EmissionKind,
818 EnumTypes, RetainedTypes, Subprograms, GlobalVariables,
820 DEFINE_MDNODE_GET(MDCompileUnit,
821 (unsigned SourceLanguage, Metadata *File,
822 MDString *Producer, bool IsOptimized, MDString *Flags,
823 unsigned RuntimeVersion, MDString *SplitDebugFilename,
824 unsigned EmissionKind, Metadata *EnumTypes,
825 Metadata *RetainedTypes, Metadata *Subprograms,
826 Metadata *GlobalVariables, Metadata *ImportedEntities),
827 (SourceLanguage, File, Producer, IsOptimized, Flags,
828 RuntimeVersion, SplitDebugFilename, EmissionKind,
829 EnumTypes, RetainedTypes, Subprograms, GlobalVariables,
832 TempMDCompileUnit clone() const { return cloneImpl(); }
834 unsigned getSourceLanguage() const { return SourceLanguage; }
835 bool isOptimized() const { return IsOptimized; }
836 unsigned getRuntimeVersion() const { return RuntimeVersion; }
837 unsigned getEmissionKind() const { return EmissionKind; }
838 StringRef getProducer() const { return getStringOperand(1); }
839 StringRef getFlags() const { return getStringOperand(2); }
840 StringRef getSplitDebugFilename() const { return getStringOperand(3); }
841 Metadata *getEnumTypes() const { return getOperand(4); }
842 Metadata *getRetainedTypes() const { return getOperand(5); }
843 Metadata *getSubprograms() const { return getOperand(6); }
844 Metadata *getGlobalVariables() const { return getOperand(7); }
845 Metadata *getImportedEntities() const { return getOperand(8); }
847 MDString *getRawProducer() const { return getOperandAs<MDString>(1); }
848 MDString *getRawFlags() const { return getOperandAs<MDString>(2); }
849 MDString *getRawSplitDebugFilename() const {
850 return getOperandAs<MDString>(3);
853 static bool classof(const Metadata *MD) {
854 return MD->getMetadataID() == MDCompileUnitKind;
858 /// \brief Subprogram description.
860 /// TODO: Remove DisplayName. It's always equal to Name.
861 /// TODO: Split up flags.
862 class MDSubprogram : public MDScope {
863 friend class LLVMContextImpl;
869 unsigned VirtualIndex;
875 MDSubprogram(LLVMContext &C, StorageType Storage, unsigned Line,
876 unsigned ScopeLine, unsigned Virtuality, unsigned VirtualIndex,
877 unsigned Flags, bool IsLocalToUnit, bool IsDefinition,
878 bool IsOptimized, ArrayRef<Metadata *> Ops)
879 : MDScope(C, MDSubprogramKind, Storage, dwarf::DW_TAG_subprogram, Ops),
880 Line(Line), ScopeLine(ScopeLine), Virtuality(Virtuality),
881 VirtualIndex(VirtualIndex), Flags(Flags), IsLocalToUnit(IsLocalToUnit),
882 IsDefinition(IsDefinition), IsOptimized(IsOptimized) {}
885 static MDSubprogram *
886 getImpl(LLVMContext &Context, Metadata *Scope, StringRef Name,
887 StringRef LinkageName, Metadata *File, unsigned Line, Metadata *Type,
888 bool IsLocalToUnit, bool IsDefinition, unsigned ScopeLine,
889 Metadata *ContainingType, unsigned Virtuality, unsigned VirtualIndex,
890 unsigned Flags, bool IsOptimized, Metadata *Function,
891 Metadata *TemplateParams, Metadata *Declaration, Metadata *Variables,
892 StorageType Storage, bool ShouldCreate = true) {
893 return getImpl(Context, Scope, getCanonicalMDString(Context, Name),
894 getCanonicalMDString(Context, LinkageName), File, Line, Type,
895 IsLocalToUnit, IsDefinition, ScopeLine, ContainingType,
896 Virtuality, VirtualIndex, Flags, IsOptimized, Function,
897 TemplateParams, Declaration, Variables, Storage,
900 static MDSubprogram *
901 getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
902 MDString *LinkageName, Metadata *File, unsigned Line, Metadata *Type,
903 bool IsLocalToUnit, bool IsDefinition, unsigned ScopeLine,
904 Metadata *ContainingType, unsigned Virtuality, unsigned VirtualIndex,
905 unsigned Flags, bool IsOptimized, Metadata *Function,
906 Metadata *TemplateParams, Metadata *Declaration, Metadata *Variables,
907 StorageType Storage, bool ShouldCreate = true);
909 TempMDSubprogram cloneImpl() const {
910 return getTemporary(getContext(), getScope(), getName(), getLinkageName(),
911 getFile(), getLine(), getType(), isLocalToUnit(),
912 isDefinition(), getScopeLine(), getContainingType(),
913 getVirtuality(), getVirtualIndex(), getFlags(),
914 isOptimized(), getFunction(), getTemplateParams(),
915 getDeclaration(), getVariables());
921 (Metadata * Scope, StringRef Name, StringRef LinkageName, Metadata *File,
922 unsigned Line, Metadata *Type, bool IsLocalToUnit, bool IsDefinition,
923 unsigned ScopeLine, Metadata *ContainingType, unsigned Virtuality,
924 unsigned VirtualIndex, unsigned Flags, bool IsOptimized,
925 Metadata *Function = nullptr, Metadata *TemplateParams = nullptr,
926 Metadata *Declaration = nullptr, Metadata *Variables = nullptr),
927 (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit, IsDefinition,
928 ScopeLine, ContainingType, Virtuality, VirtualIndex, Flags, IsOptimized,
929 Function, TemplateParams, Declaration, Variables))
932 (Metadata * Scope, MDString *Name, MDString *LinkageName, Metadata *File,
933 unsigned Line, Metadata *Type, bool IsLocalToUnit, bool IsDefinition,
934 unsigned ScopeLine, Metadata *ContainingType, unsigned Virtuality,
935 unsigned VirtualIndex, unsigned Flags, bool IsOptimized,
936 Metadata *Function = nullptr, Metadata *TemplateParams = nullptr,
937 Metadata *Declaration = nullptr, Metadata *Variables = nullptr),
938 (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit, IsDefinition,
939 ScopeLine, ContainingType, Virtuality, VirtualIndex, Flags, IsOptimized,
940 Function, TemplateParams, Declaration, Variables))
942 TempMDSubprogram clone() const { return cloneImpl(); }
945 unsigned getLine() const { return Line; }
946 unsigned getVirtuality() const { return Virtuality; }
947 unsigned getVirtualIndex() const { return VirtualIndex; }
948 unsigned getScopeLine() const { return ScopeLine; }
949 unsigned getFlags() const { return Flags; }
950 bool isLocalToUnit() const { return IsLocalToUnit; }
951 bool isDefinition() const { return IsDefinition; }
952 bool isOptimized() const { return IsOptimized; }
954 Metadata *getScope() const { return getOperand(1); }
956 StringRef getName() const { return getStringOperand(2); }
957 StringRef getDisplayName() const { return getStringOperand(3); }
958 StringRef getLinkageName() const { return getStringOperand(4); }
960 Metadata *getType() const { return getOperand(5); }
961 Metadata *getContainingType() const { return getOperand(6); }
963 Metadata *getFunction() const { return getOperand(7); }
964 Metadata *getTemplateParams() const { return getOperand(8); }
965 Metadata *getDeclaration() const { return getOperand(9); }
966 Metadata *getVariables() const { return getOperand(10); }
968 static bool classof(const Metadata *MD) {
969 return MD->getMetadataID() == MDSubprogramKind;
973 class MDLexicalBlockBase : public MDScope {
975 MDLexicalBlockBase(LLVMContext &C, unsigned ID, StorageType Storage,
976 ArrayRef<Metadata *> Ops)
977 : MDScope(C, ID, Storage, dwarf::DW_TAG_lexical_block, Ops) {}
978 ~MDLexicalBlockBase() {}
981 Metadata *getScope() const { return getOperand(1); }
983 static bool classof(const Metadata *MD) {
984 return MD->getMetadataID() == MDLexicalBlockKind ||
985 MD->getMetadataID() == MDLexicalBlockFileKind;
989 class MDLexicalBlock : public MDLexicalBlockBase {
990 friend class LLVMContextImpl;
996 MDLexicalBlock(LLVMContext &C, StorageType Storage, unsigned Line,
997 unsigned Column, ArrayRef<Metadata *> Ops)
998 : MDLexicalBlockBase(C, MDLexicalBlockKind, Storage, Ops), Line(Line),
1000 ~MDLexicalBlock() {}
1002 static MDLexicalBlock *getImpl(LLVMContext &Context, Metadata *Scope,
1003 Metadata *File, unsigned Line, unsigned Column,
1004 StorageType Storage, bool ShouldCreate = true);
1006 TempMDLexicalBlock cloneImpl() const {
1007 return getTemporary(getContext(), getScope(), getFile(), getLine(),
1012 DEFINE_MDNODE_GET(MDLexicalBlock, (Metadata * Scope, Metadata *File,
1013 unsigned Line, unsigned Column),
1014 (Scope, File, Line, Column))
1016 TempMDLexicalBlock clone() const { return cloneImpl(); }
1018 unsigned getLine() const { return Line; }
1019 unsigned getColumn() const { return Column; }
1021 static bool classof(const Metadata *MD) {
1022 return MD->getMetadataID() == MDLexicalBlockKind;
1026 class MDLexicalBlockFile : public MDLexicalBlockBase {
1027 friend class LLVMContextImpl;
1028 friend class MDNode;
1030 unsigned Discriminator;
1032 MDLexicalBlockFile(LLVMContext &C, StorageType Storage,
1033 unsigned Discriminator, ArrayRef<Metadata *> Ops)
1034 : MDLexicalBlockBase(C, MDLexicalBlockFileKind, Storage, Ops),
1035 Discriminator(Discriminator) {}
1036 ~MDLexicalBlockFile() {}
1038 static MDLexicalBlockFile *getImpl(LLVMContext &Context, Metadata *Scope,
1039 Metadata *File, unsigned Discriminator,
1040 StorageType Storage,
1041 bool ShouldCreate = true);
1043 TempMDLexicalBlockFile cloneImpl() const {
1044 return getTemporary(getContext(), getScope(), getFile(),
1045 getDiscriminator());
1049 DEFINE_MDNODE_GET(MDLexicalBlockFile,
1050 (Metadata * Scope, Metadata *File, unsigned Discriminator),
1051 (Scope, File, Discriminator))
1053 TempMDLexicalBlockFile clone() const { return cloneImpl(); }
1055 unsigned getDiscriminator() const { return Discriminator; }
1057 static bool classof(const Metadata *MD) {
1058 return MD->getMetadataID() == MDLexicalBlockFileKind;
1062 class MDNamespace : public MDScope {
1063 friend class LLVMContextImpl;
1064 friend class MDNode;
1068 MDNamespace(LLVMContext &Context, StorageType Storage, unsigned Line,
1069 ArrayRef<Metadata *> Ops)
1070 : MDScope(Context, MDNamespaceKind, Storage, dwarf::DW_TAG_namespace,
1075 static MDNamespace *getImpl(LLVMContext &Context, Metadata *Scope,
1076 Metadata *File, StringRef Name, unsigned Line,
1077 StorageType Storage, bool ShouldCreate = true) {
1078 return getImpl(Context, Scope, File, getCanonicalMDString(Context, Name),
1079 Line, Storage, ShouldCreate);
1081 static MDNamespace *getImpl(LLVMContext &Context, Metadata *Scope,
1082 Metadata *File, MDString *Name, unsigned Line,
1083 StorageType Storage, bool ShouldCreate = true);
1085 TempMDNamespace cloneImpl() const {
1086 return getTemporary(getContext(), getScope(), getFile(), getName(),
1091 DEFINE_MDNODE_GET(MDNamespace, (Metadata * Scope, Metadata *File,
1092 StringRef Name, unsigned Line),
1093 (Scope, File, Name, Line))
1094 DEFINE_MDNODE_GET(MDNamespace, (Metadata * Scope, Metadata *File,
1095 MDString *Name, unsigned Line),
1096 (Scope, File, Name, Line))
1098 TempMDNamespace clone() const { return cloneImpl(); }
1100 unsigned getLine() const { return Line; }
1101 Metadata *getScope() const { return getOperand(1); }
1102 StringRef getName() const { return getStringOperand(2); }
1104 static bool classof(const Metadata *MD) {
1105 return MD->getMetadataID() == MDNamespaceKind;
1109 /// \brief Base class for template parameters.
1111 /// TODO: Remove the scope. It's always the compile unit, and never
1113 /// TODO: Remove File, Line and Column. They're always 0 and never
1115 class MDTemplateParameter : public DebugNode {
1117 MDTemplateParameter(LLVMContext &Context, unsigned ID, StorageType Storage,
1118 unsigned Tag, ArrayRef<Metadata *> Ops)
1119 : DebugNode(Context, ID, Storage, Tag, Ops) {}
1120 ~MDTemplateParameter() {}
1123 Metadata *getScope() const { return getOperand(0); }
1124 StringRef getName() const { return getStringOperand(1); }
1125 Metadata *getType() const { return getOperand(2); }
1127 static bool classof(const Metadata *MD) {
1128 return MD->getMetadataID() == MDTemplateTypeParameterKind ||
1129 MD->getMetadataID() == MDTemplateValueParameterKind;
1133 class MDTemplateTypeParameter : public MDTemplateParameter {
1134 friend class LLVMContextImpl;
1135 friend class MDNode;
1137 MDTemplateTypeParameter(LLVMContext &Context, StorageType Storage,
1138 ArrayRef<Metadata *> Ops)
1139 : MDTemplateParameter(Context, MDTemplateTypeParameterKind, Storage,
1140 dwarf::DW_TAG_template_type_parameter, Ops) {}
1141 ~MDTemplateTypeParameter() {}
1143 static MDTemplateTypeParameter *getImpl(LLVMContext &Context, Metadata *Scope,
1144 StringRef Name, Metadata *Type,
1145 StorageType Storage,
1146 bool ShouldCreate = true) {
1147 return getImpl(Context, Scope, getCanonicalMDString(Context, Name), Type,
1148 Storage, ShouldCreate);
1150 static MDTemplateTypeParameter *getImpl(LLVMContext &Context, Metadata *Scope,
1151 MDString *Name, Metadata *Type,
1152 StorageType Storage,
1153 bool ShouldCreate = true);
1155 TempMDTemplateTypeParameter cloneImpl() const {
1156 return getTemporary(getContext(), getScope(), getName(), getType());
1160 DEFINE_MDNODE_GET(MDTemplateTypeParameter,
1161 (Metadata * Scope, StringRef Name, Metadata *Type),
1162 (Scope, Name, Type))
1163 DEFINE_MDNODE_GET(MDTemplateTypeParameter,
1164 (Metadata * Scope, MDString *Name, Metadata *Type),
1165 (Scope, Name, Type))
1167 TempMDTemplateTypeParameter clone() const { return cloneImpl(); }
1169 static bool classof(const Metadata *MD) {
1170 return MD->getMetadataID() == MDTemplateTypeParameterKind;
1174 class MDTemplateValueParameter : public MDTemplateParameter {
1175 friend class LLVMContextImpl;
1176 friend class MDNode;
1178 MDTemplateValueParameter(LLVMContext &Context, StorageType Storage,
1179 unsigned Tag, ArrayRef<Metadata *> Ops)
1180 : MDTemplateParameter(Context, MDTemplateValueParameterKind, Storage, Tag,
1182 ~MDTemplateValueParameter() {}
1184 static MDTemplateValueParameter *getImpl(LLVMContext &Context, unsigned Tag,
1185 Metadata *Scope, StringRef Name,
1186 Metadata *Type, Metadata *Value,
1187 StorageType Storage,
1188 bool ShouldCreate = true) {
1189 return getImpl(Context, Tag, Scope, getCanonicalMDString(Context, Name),
1190 Type, Value, Storage, ShouldCreate);
1192 static MDTemplateValueParameter *getImpl(LLVMContext &Context, unsigned Tag,
1193 Metadata *Scope, MDString *Name,
1194 Metadata *Type, Metadata *Value,
1195 StorageType Storage,
1196 bool ShouldCreate = true);
1198 TempMDTemplateValueParameter cloneImpl() const {
1199 return getTemporary(getContext(), getTag(), getScope(), getName(),
1200 getType(), getValue());
1204 DEFINE_MDNODE_GET(MDTemplateValueParameter,
1205 (unsigned Tag, Metadata *Scope, StringRef Name,
1206 Metadata *Type, Metadata *Value),
1207 (Tag, Scope, Name, Type, Value))
1208 DEFINE_MDNODE_GET(MDTemplateValueParameter,
1209 (unsigned Tag, Metadata *Scope, MDString *Name,
1210 Metadata *Type, Metadata *Value),
1211 (Tag, Scope, Name, Type, Value))
1213 Metadata *getValue() const { return getOperand(3); }
1215 static bool classof(const Metadata *MD) {
1216 return MD->getMetadataID() == MDTemplateValueParameterKind;
1220 /// \brief Base class for variables.
1222 /// TODO: Hardcode to DW_TAG_variable.
1223 class MDVariable : public DebugNode {
1227 MDVariable(LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag,
1228 unsigned Line, ArrayRef<Metadata *> Ops)
1229 : DebugNode(C, ID, Storage, Tag, Ops), Line(Line) {}
1233 unsigned getLine() const { return Line; }
1234 Metadata *getScope() const { return getOperand(0); }
1235 StringRef getName() const { return getStringOperand(1); }
1236 Metadata *getFile() const { return getOperand(2); }
1237 Metadata *getType() const { return getOperand(3); }
1239 static bool classof(const Metadata *MD) {
1240 return MD->getMetadataID() == MDLocalVariableKind ||
1241 MD->getMetadataID() == MDGlobalVariableKind;
1245 /// \brief Global variables.
1247 /// TODO: Remove DisplayName. It's always equal to Name.
1248 class MDGlobalVariable : public MDVariable {
1249 friend class LLVMContextImpl;
1250 friend class MDNode;
1255 MDGlobalVariable(LLVMContext &C, StorageType Storage, unsigned Line,
1256 bool IsLocalToUnit, bool IsDefinition,
1257 ArrayRef<Metadata *> Ops)
1258 : MDVariable(C, MDGlobalVariableKind, Storage, dwarf::DW_TAG_variable,
1260 IsLocalToUnit(IsLocalToUnit), IsDefinition(IsDefinition) {}
1261 ~MDGlobalVariable() {}
1263 static MDGlobalVariable *
1264 getImpl(LLVMContext &Context, Metadata *Scope, StringRef Name,
1265 StringRef LinkageName, Metadata *File, unsigned Line, Metadata *Type,
1266 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
1267 Metadata *StaticDataMemberDeclaration, StorageType Storage,
1268 bool ShouldCreate = true) {
1269 return getImpl(Context, Scope, getCanonicalMDString(Context, Name),
1270 getCanonicalMDString(Context, LinkageName), File, Line, Type,
1271 IsLocalToUnit, IsDefinition, Variable,
1272 StaticDataMemberDeclaration, Storage, ShouldCreate);
1274 static MDGlobalVariable *
1275 getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
1276 MDString *LinkageName, Metadata *File, unsigned Line, Metadata *Type,
1277 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
1278 Metadata *StaticDataMemberDeclaration, StorageType Storage,
1279 bool ShouldCreate = true);
1281 TempMDGlobalVariable cloneImpl() const {
1282 return getTemporary(getContext(), getScope(), getName(), getLinkageName(),
1283 getFile(), getLine(), getType(), isLocalToUnit(),
1284 isDefinition(), getVariable(),
1285 getStaticDataMemberDeclaration());
1289 DEFINE_MDNODE_GET(MDGlobalVariable,
1290 (Metadata * Scope, StringRef Name, StringRef LinkageName,
1291 Metadata *File, unsigned Line, Metadata *Type,
1292 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
1293 Metadata *StaticDataMemberDeclaration),
1294 (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
1295 IsDefinition, Variable, StaticDataMemberDeclaration))
1296 DEFINE_MDNODE_GET(MDGlobalVariable,
1297 (Metadata * Scope, MDString *Name, MDString *LinkageName,
1298 Metadata *File, unsigned Line, Metadata *Type,
1299 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
1300 Metadata *StaticDataMemberDeclaration),
1301 (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
1302 IsDefinition, Variable, StaticDataMemberDeclaration))
1304 bool isLocalToUnit() const { return IsLocalToUnit; }
1305 bool isDefinition() const { return IsDefinition; }
1306 StringRef getDisplayName() const { return getStringOperand(4); }
1307 StringRef getLinkageName() const { return getStringOperand(5); }
1308 Metadata *getVariable() const { return getOperand(6); }
1309 Metadata *getStaticDataMemberDeclaration() const { return getOperand(7); }
1311 static bool classof(const Metadata *MD) {
1312 return MD->getMetadataID() == MDGlobalVariableKind;
1316 /// \brief Local variable.
1318 /// TODO: Split between arguments and otherwise.
1319 /// TODO: Use \c DW_TAG_variable instead of fake tags.
1320 /// TODO: Split up flags.
1321 class MDLocalVariable : public MDVariable {
1322 friend class LLVMContextImpl;
1323 friend class MDNode;
1328 MDLocalVariable(LLVMContext &C, StorageType Storage, unsigned Tag,
1329 unsigned Line, unsigned Arg, unsigned Flags,
1330 ArrayRef<Metadata *> Ops)
1331 : MDVariable(C, MDLocalVariableKind, Storage, Tag, Line, Ops), Arg(Arg),
1333 ~MDLocalVariable() {}
1335 static MDLocalVariable *getImpl(LLVMContext &Context, unsigned Tag,
1336 Metadata *Scope, StringRef Name,
1337 Metadata *File, unsigned Line, Metadata *Type,
1338 unsigned Arg, unsigned Flags,
1339 Metadata *InlinedAt, StorageType Storage,
1340 bool ShouldCreate = true) {
1341 return getImpl(Context, Tag, Scope, getCanonicalMDString(Context, Name),
1342 File, Line, Type, Arg, Flags, InlinedAt, Storage,
1345 static MDLocalVariable *getImpl(LLVMContext &Context, unsigned Tag,
1346 Metadata *Scope, MDString *Name,
1347 Metadata *File, unsigned Line, Metadata *Type,
1348 unsigned Arg, unsigned Flags,
1349 Metadata *InlinedAt, StorageType Storage,
1350 bool ShouldCreate = true);
1352 TempMDLocalVariable cloneImpl() const {
1353 return getTemporary(getContext(), getTag(), getScope(), getName(),
1354 getFile(), getLine(), getType(), getArg(), getFlags(),
1359 DEFINE_MDNODE_GET(MDLocalVariable,
1360 (unsigned Tag, Metadata *Scope, StringRef Name,
1361 Metadata *File, unsigned Line, Metadata *Type,
1362 unsigned Arg, unsigned Flags,
1363 Metadata *InlinedAt = nullptr),
1364 (Tag, Scope, Name, File, Line, Type, Arg, Flags, InlinedAt))
1365 DEFINE_MDNODE_GET(MDLocalVariable,
1366 (unsigned Tag, Metadata *Scope, MDString *Name,
1367 Metadata *File, unsigned Line, Metadata *Type,
1368 unsigned Arg, unsigned Flags,
1369 Metadata *InlinedAt = nullptr),
1370 (Tag, Scope, Name, File, Line, Type, Arg, Flags, InlinedAt))
1372 unsigned getArg() const { return Arg; }
1373 unsigned getFlags() const { return Flags; }
1374 Metadata *getInlinedAt() const { return getOperand(4); }
1376 static bool classof(const Metadata *MD) {
1377 return MD->getMetadataID() == MDLocalVariableKind;
1381 /// \brief DWARF expression.
1383 /// TODO: Co-allocate the expression elements.
1384 /// TODO: Drop fake DW_TAG_expression and separate from DebugNode.
1385 /// TODO: Separate from MDNode, or otherwise drop Distinct and Temporary
1387 class MDExpression : public DebugNode {
1388 friend class LLVMContextImpl;
1389 friend class MDNode;
1391 std::vector<uint64_t> Elements;
1393 MDExpression(LLVMContext &C, StorageType Storage, ArrayRef<uint64_t> Elements)
1394 : DebugNode(C, MDExpressionKind, Storage, dwarf::DW_TAG_expression, None),
1395 Elements(Elements.begin(), Elements.end()) {}
1398 static MDExpression *getImpl(LLVMContext &Context,
1399 ArrayRef<uint64_t> Elements, StorageType Storage,
1400 bool ShouldCreate = true);
1402 TempMDExpression cloneImpl() const {
1403 return getTemporary(getContext(), getElements());
1407 DEFINE_MDNODE_GET(MDExpression, (ArrayRef<uint64_t> Elements), (Elements))
1409 ArrayRef<uint64_t> getElements() const { return Elements; }
1411 unsigned getNumElements() const { return Elements.size(); }
1412 uint64_t getElement(unsigned I) const {
1413 assert(I < Elements.size() && "Index out of range");
1417 typedef ArrayRef<uint64_t>::iterator element_iterator;
1418 element_iterator elements_begin() const { return getElements().begin(); }
1419 element_iterator elements_end() const { return getElements().end(); }
1421 /// \brief A lightweight wrapper around an expression operand.
1423 /// TODO: Store arguments directly and change \a MDExpression to store a
1429 explicit ExprOperand(const uint64_t *Op) : Op(Op) {}
1431 const uint64_t *get() const { return Op; }
1433 /// \brief Get the operand code.
1434 uint64_t getOp() const { return *Op; }
1436 /// \brief Get an argument to the operand.
1438 /// Never returns the operand itself.
1439 uint64_t getArg(unsigned I) const { return Op[I + 1]; }
1441 unsigned getNumArgs() const { return getSize() - 1; }
1443 /// \brief Return the size of the operand.
1445 /// Return the number of elements in the operand (1 + args).
1446 unsigned getSize() const;
1449 /// \brief An iterator for expression operands.
1450 class expr_op_iterator
1451 : public std::iterator<std::input_iterator_tag, ExprOperand> {
1455 explicit expr_op_iterator(element_iterator I) : Op(I) {}
1457 element_iterator getBase() const { return Op.get(); }
1458 const ExprOperand &operator*() const { return Op; }
1459 const ExprOperand *operator->() const { return &Op; }
1461 expr_op_iterator &operator++() {
1465 expr_op_iterator operator++(int) {
1466 expr_op_iterator T(*this);
1471 bool operator==(const expr_op_iterator &X) const {
1472 return getBase() == X.getBase();
1474 bool operator!=(const expr_op_iterator &X) const {
1475 return getBase() != X.getBase();
1479 void increment() { Op = ExprOperand(getBase() + Op.getSize()); }
1482 /// \brief Visit the elements via ExprOperand wrappers.
1484 /// These range iterators visit elements through \a ExprOperand wrappers.
1485 /// This is not guaranteed to be a valid range unless \a isValid() gives \c
1488 /// \pre \a isValid() gives \c true.
1490 expr_op_iterator expr_op_begin() const {
1491 return expr_op_iterator(elements_begin());
1493 expr_op_iterator expr_op_end() const {
1494 return expr_op_iterator(elements_end());
1498 bool isValid() const;
1500 static bool classof(const Metadata *MD) {
1501 return MD->getMetadataID() == MDExpressionKind;
1505 class MDObjCProperty : public DebugNode {
1506 friend class LLVMContextImpl;
1507 friend class MDNode;
1510 unsigned Attributes;
1512 MDObjCProperty(LLVMContext &C, StorageType Storage, unsigned Line,
1513 unsigned Attributes, ArrayRef<Metadata *> Ops)
1514 : DebugNode(C, MDObjCPropertyKind, Storage, dwarf::DW_TAG_APPLE_property,
1516 Line(Line), Attributes(Attributes) {}
1517 ~MDObjCProperty() {}
1519 static MDObjCProperty *
1520 getImpl(LLVMContext &Context, StringRef Name, Metadata *File, unsigned Line,
1521 StringRef GetterName, StringRef SetterName, unsigned Attributes,
1522 Metadata *Type, StorageType Storage, bool ShouldCreate = true) {
1523 return getImpl(Context, getCanonicalMDString(Context, Name), File, Line,
1524 getCanonicalMDString(Context, GetterName),
1525 getCanonicalMDString(Context, SetterName), Attributes, Type,
1526 Storage, ShouldCreate);
1528 static MDObjCProperty *getImpl(LLVMContext &Context, MDString *Name,
1529 Metadata *File, unsigned Line,
1530 MDString *GetterName, MDString *SetterName,
1531 unsigned Attributes, Metadata *Type,
1532 StorageType Storage, bool ShouldCreate = true);
1534 TempMDObjCProperty cloneImpl() const {
1535 return getTemporary(getContext(), getName(), getFile(), getLine(),
1536 getGetterName(), getSetterName(), getAttributes(),
1541 DEFINE_MDNODE_GET(MDObjCProperty,
1542 (StringRef Name, Metadata *File, unsigned Line,
1543 StringRef GetterName, StringRef SetterName,
1544 unsigned Attributes, Metadata *Type),
1545 (Name, File, Line, GetterName, SetterName, Attributes,
1547 DEFINE_MDNODE_GET(MDObjCProperty,
1548 (MDString * Name, Metadata *File, unsigned Line,
1549 MDString *GetterName, MDString *SetterName,
1550 unsigned Attributes, Metadata *Type),
1551 (Name, File, Line, GetterName, SetterName, Attributes,
1554 unsigned getLine() const { return Line; }
1555 unsigned getAttributes() const { return Attributes; }
1556 StringRef getName() const { return getStringOperand(0); }
1557 Metadata *getFile() const { return getOperand(1); }
1558 StringRef getGetterName() const { return getStringOperand(2); }
1559 StringRef getSetterName() const { return getStringOperand(3); }
1560 Metadata *getType() const { return getOperand(4); }
1562 static bool classof(const Metadata *MD) {
1563 return MD->getMetadataID() == MDObjCPropertyKind;
1567 class MDImportedEntity : public DebugNode {
1568 friend class LLVMContextImpl;
1569 friend class MDNode;
1573 MDImportedEntity(LLVMContext &C, StorageType Storage, unsigned Tag,
1574 unsigned Line, ArrayRef<Metadata *> Ops)
1575 : DebugNode(C, MDImportedEntityKind, Storage, Tag, Ops), Line(Line) {}
1576 ~MDImportedEntity() {}
1578 static MDImportedEntity *getImpl(LLVMContext &Context, unsigned Tag,
1579 Metadata *Scope, Metadata *Entity,
1580 unsigned Line, StringRef Name,
1581 StorageType Storage,
1582 bool ShouldCreate = true) {
1583 return getImpl(Context, Tag, Scope, Entity, Line,
1584 getCanonicalMDString(Context, Name), Storage, ShouldCreate);
1586 static MDImportedEntity *getImpl(LLVMContext &Context, unsigned Tag,
1587 Metadata *Scope, Metadata *Entity,
1588 unsigned Line, MDString *Name,
1589 StorageType Storage,
1590 bool ShouldCreate = true);
1592 TempMDImportedEntity cloneImpl() const {
1593 return getTemporary(getContext(), getTag(), getScope(), getEntity(),
1594 getLine(), getName());
1598 DEFINE_MDNODE_GET(MDImportedEntity,
1599 (unsigned Tag, Metadata *Scope, Metadata *Entity,
1600 unsigned Line, StringRef Name = ""),
1601 (Tag, Scope, Entity, Line, Name))
1602 DEFINE_MDNODE_GET(MDImportedEntity,
1603 (unsigned Tag, Metadata *Scope, Metadata *Entity,
1604 unsigned Line, MDString *Name),
1605 (Tag, Scope, Entity, Line, Name))
1607 TempMDImportedEntity clone() const { return cloneImpl(); }
1609 unsigned getLine() const { return Line; }
1610 Metadata *getScope() const { return getOperand(0); }
1611 Metadata *getEntity() const { return getOperand(1); }
1612 StringRef getName() const { return getStringOperand(2); }
1614 static bool classof(const Metadata *MD) {
1615 return MD->getMetadataID() == MDImportedEntityKind;
1619 } // end namespace llvm
1621 #undef DEFINE_MDNODE_GET_UNPACK_IMPL
1622 #undef DEFINE_MDNODE_GET_UNPACK
1623 #undef DEFINE_MDNODE_GET