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 MDString *getRawName() const { return getOperandAs<MDString>(2); }
961 MDString *getRawLinkageName() const { return getOperandAs<MDString>(4); }
963 Metadata *getType() const { return getOperand(5); }
964 Metadata *getContainingType() const { return getOperand(6); }
966 Metadata *getFunction() const { return getOperand(7); }
967 Metadata *getTemplateParams() const { return getOperand(8); }
968 Metadata *getDeclaration() const { return getOperand(9); }
969 Metadata *getVariables() const { return getOperand(10); }
971 static bool classof(const Metadata *MD) {
972 return MD->getMetadataID() == MDSubprogramKind;
976 class MDLexicalBlockBase : public MDScope {
978 MDLexicalBlockBase(LLVMContext &C, unsigned ID, StorageType Storage,
979 ArrayRef<Metadata *> Ops)
980 : MDScope(C, ID, Storage, dwarf::DW_TAG_lexical_block, Ops) {}
981 ~MDLexicalBlockBase() {}
984 Metadata *getScope() const { return getOperand(1); }
986 static bool classof(const Metadata *MD) {
987 return MD->getMetadataID() == MDLexicalBlockKind ||
988 MD->getMetadataID() == MDLexicalBlockFileKind;
992 class MDLexicalBlock : public MDLexicalBlockBase {
993 friend class LLVMContextImpl;
999 MDLexicalBlock(LLVMContext &C, StorageType Storage, unsigned Line,
1000 unsigned Column, ArrayRef<Metadata *> Ops)
1001 : MDLexicalBlockBase(C, MDLexicalBlockKind, Storage, Ops), Line(Line),
1003 ~MDLexicalBlock() {}
1005 static MDLexicalBlock *getImpl(LLVMContext &Context, Metadata *Scope,
1006 Metadata *File, unsigned Line, unsigned Column,
1007 StorageType Storage, bool ShouldCreate = true);
1009 TempMDLexicalBlock cloneImpl() const {
1010 return getTemporary(getContext(), getScope(), getFile(), getLine(),
1015 DEFINE_MDNODE_GET(MDLexicalBlock, (Metadata * Scope, Metadata *File,
1016 unsigned Line, unsigned Column),
1017 (Scope, File, Line, Column))
1019 TempMDLexicalBlock clone() const { return cloneImpl(); }
1021 unsigned getLine() const { return Line; }
1022 unsigned getColumn() const { return Column; }
1024 static bool classof(const Metadata *MD) {
1025 return MD->getMetadataID() == MDLexicalBlockKind;
1029 class MDLexicalBlockFile : public MDLexicalBlockBase {
1030 friend class LLVMContextImpl;
1031 friend class MDNode;
1033 unsigned Discriminator;
1035 MDLexicalBlockFile(LLVMContext &C, StorageType Storage,
1036 unsigned Discriminator, ArrayRef<Metadata *> Ops)
1037 : MDLexicalBlockBase(C, MDLexicalBlockFileKind, Storage, Ops),
1038 Discriminator(Discriminator) {}
1039 ~MDLexicalBlockFile() {}
1041 static MDLexicalBlockFile *getImpl(LLVMContext &Context, Metadata *Scope,
1042 Metadata *File, unsigned Discriminator,
1043 StorageType Storage,
1044 bool ShouldCreate = true);
1046 TempMDLexicalBlockFile cloneImpl() const {
1047 return getTemporary(getContext(), getScope(), getFile(),
1048 getDiscriminator());
1052 DEFINE_MDNODE_GET(MDLexicalBlockFile,
1053 (Metadata * Scope, Metadata *File, unsigned Discriminator),
1054 (Scope, File, Discriminator))
1056 TempMDLexicalBlockFile clone() const { return cloneImpl(); }
1058 unsigned getDiscriminator() const { return Discriminator; }
1060 static bool classof(const Metadata *MD) {
1061 return MD->getMetadataID() == MDLexicalBlockFileKind;
1065 class MDNamespace : public MDScope {
1066 friend class LLVMContextImpl;
1067 friend class MDNode;
1071 MDNamespace(LLVMContext &Context, StorageType Storage, unsigned Line,
1072 ArrayRef<Metadata *> Ops)
1073 : MDScope(Context, MDNamespaceKind, Storage, dwarf::DW_TAG_namespace,
1078 static MDNamespace *getImpl(LLVMContext &Context, Metadata *Scope,
1079 Metadata *File, StringRef Name, unsigned Line,
1080 StorageType Storage, bool ShouldCreate = true) {
1081 return getImpl(Context, Scope, File, getCanonicalMDString(Context, Name),
1082 Line, Storage, ShouldCreate);
1084 static MDNamespace *getImpl(LLVMContext &Context, Metadata *Scope,
1085 Metadata *File, MDString *Name, unsigned Line,
1086 StorageType Storage, bool ShouldCreate = true);
1088 TempMDNamespace cloneImpl() const {
1089 return getTemporary(getContext(), getScope(), getFile(), getName(),
1094 DEFINE_MDNODE_GET(MDNamespace, (Metadata * Scope, Metadata *File,
1095 StringRef Name, unsigned Line),
1096 (Scope, File, Name, Line))
1097 DEFINE_MDNODE_GET(MDNamespace, (Metadata * Scope, Metadata *File,
1098 MDString *Name, unsigned Line),
1099 (Scope, File, Name, Line))
1101 TempMDNamespace clone() const { return cloneImpl(); }
1103 unsigned getLine() const { return Line; }
1104 Metadata *getScope() const { return getOperand(1); }
1105 StringRef getName() const { return getStringOperand(2); }
1107 MDString *getRawName() const { return getOperandAs<MDString>(2); }
1109 static bool classof(const Metadata *MD) {
1110 return MD->getMetadataID() == MDNamespaceKind;
1114 /// \brief Base class for template parameters.
1116 /// TODO: Remove the scope. It's always the compile unit, and never
1118 /// TODO: Remove File, Line and Column. They're always 0 and never
1120 class MDTemplateParameter : public DebugNode {
1122 MDTemplateParameter(LLVMContext &Context, unsigned ID, StorageType Storage,
1123 unsigned Tag, ArrayRef<Metadata *> Ops)
1124 : DebugNode(Context, ID, Storage, Tag, Ops) {}
1125 ~MDTemplateParameter() {}
1128 Metadata *getScope() const { return getOperand(0); }
1129 StringRef getName() const { return getStringOperand(1); }
1130 Metadata *getType() const { return getOperand(2); }
1132 MDString *getRawName() const { return getOperandAs<MDString>(1); }
1134 static bool classof(const Metadata *MD) {
1135 return MD->getMetadataID() == MDTemplateTypeParameterKind ||
1136 MD->getMetadataID() == MDTemplateValueParameterKind;
1140 class MDTemplateTypeParameter : public MDTemplateParameter {
1141 friend class LLVMContextImpl;
1142 friend class MDNode;
1144 MDTemplateTypeParameter(LLVMContext &Context, StorageType Storage,
1145 ArrayRef<Metadata *> Ops)
1146 : MDTemplateParameter(Context, MDTemplateTypeParameterKind, Storage,
1147 dwarf::DW_TAG_template_type_parameter, Ops) {}
1148 ~MDTemplateTypeParameter() {}
1150 static MDTemplateTypeParameter *getImpl(LLVMContext &Context, Metadata *Scope,
1151 StringRef Name, Metadata *Type,
1152 StorageType Storage,
1153 bool ShouldCreate = true) {
1154 return getImpl(Context, Scope, getCanonicalMDString(Context, Name), Type,
1155 Storage, ShouldCreate);
1157 static MDTemplateTypeParameter *getImpl(LLVMContext &Context, Metadata *Scope,
1158 MDString *Name, Metadata *Type,
1159 StorageType Storage,
1160 bool ShouldCreate = true);
1162 TempMDTemplateTypeParameter cloneImpl() const {
1163 return getTemporary(getContext(), getScope(), getName(), getType());
1167 DEFINE_MDNODE_GET(MDTemplateTypeParameter,
1168 (Metadata * Scope, StringRef Name, Metadata *Type),
1169 (Scope, Name, Type))
1170 DEFINE_MDNODE_GET(MDTemplateTypeParameter,
1171 (Metadata * Scope, MDString *Name, Metadata *Type),
1172 (Scope, Name, Type))
1174 TempMDTemplateTypeParameter clone() const { return cloneImpl(); }
1176 static bool classof(const Metadata *MD) {
1177 return MD->getMetadataID() == MDTemplateTypeParameterKind;
1181 class MDTemplateValueParameter : public MDTemplateParameter {
1182 friend class LLVMContextImpl;
1183 friend class MDNode;
1185 MDTemplateValueParameter(LLVMContext &Context, StorageType Storage,
1186 unsigned Tag, ArrayRef<Metadata *> Ops)
1187 : MDTemplateParameter(Context, MDTemplateValueParameterKind, Storage, Tag,
1189 ~MDTemplateValueParameter() {}
1191 static MDTemplateValueParameter *getImpl(LLVMContext &Context, unsigned Tag,
1192 Metadata *Scope, StringRef Name,
1193 Metadata *Type, Metadata *Value,
1194 StorageType Storage,
1195 bool ShouldCreate = true) {
1196 return getImpl(Context, Tag, Scope, getCanonicalMDString(Context, Name),
1197 Type, Value, Storage, ShouldCreate);
1199 static MDTemplateValueParameter *getImpl(LLVMContext &Context, unsigned Tag,
1200 Metadata *Scope, MDString *Name,
1201 Metadata *Type, Metadata *Value,
1202 StorageType Storage,
1203 bool ShouldCreate = true);
1205 TempMDTemplateValueParameter cloneImpl() const {
1206 return getTemporary(getContext(), getTag(), getScope(), getName(),
1207 getType(), getValue());
1211 DEFINE_MDNODE_GET(MDTemplateValueParameter,
1212 (unsigned Tag, Metadata *Scope, StringRef Name,
1213 Metadata *Type, Metadata *Value),
1214 (Tag, Scope, Name, Type, Value))
1215 DEFINE_MDNODE_GET(MDTemplateValueParameter,
1216 (unsigned Tag, Metadata *Scope, MDString *Name,
1217 Metadata *Type, Metadata *Value),
1218 (Tag, Scope, Name, Type, Value))
1220 Metadata *getValue() const { return getOperand(3); }
1222 static bool classof(const Metadata *MD) {
1223 return MD->getMetadataID() == MDTemplateValueParameterKind;
1227 /// \brief Base class for variables.
1229 /// TODO: Hardcode to DW_TAG_variable.
1230 class MDVariable : public DebugNode {
1234 MDVariable(LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag,
1235 unsigned Line, ArrayRef<Metadata *> Ops)
1236 : DebugNode(C, ID, Storage, Tag, Ops), Line(Line) {}
1240 unsigned getLine() const { return Line; }
1241 Metadata *getScope() const { return getOperand(0); }
1242 StringRef getName() const { return getStringOperand(1); }
1243 Metadata *getFile() const { return getOperand(2); }
1244 Metadata *getType() const { return getOperand(3); }
1246 static bool classof(const Metadata *MD) {
1247 return MD->getMetadataID() == MDLocalVariableKind ||
1248 MD->getMetadataID() == MDGlobalVariableKind;
1252 /// \brief Global variables.
1254 /// TODO: Remove DisplayName. It's always equal to Name.
1255 class MDGlobalVariable : public MDVariable {
1256 friend class LLVMContextImpl;
1257 friend class MDNode;
1262 MDGlobalVariable(LLVMContext &C, StorageType Storage, unsigned Line,
1263 bool IsLocalToUnit, bool IsDefinition,
1264 ArrayRef<Metadata *> Ops)
1265 : MDVariable(C, MDGlobalVariableKind, Storage, dwarf::DW_TAG_variable,
1267 IsLocalToUnit(IsLocalToUnit), IsDefinition(IsDefinition) {}
1268 ~MDGlobalVariable() {}
1270 static MDGlobalVariable *
1271 getImpl(LLVMContext &Context, Metadata *Scope, StringRef Name,
1272 StringRef LinkageName, Metadata *File, unsigned Line, Metadata *Type,
1273 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
1274 Metadata *StaticDataMemberDeclaration, StorageType Storage,
1275 bool ShouldCreate = true) {
1276 return getImpl(Context, Scope, getCanonicalMDString(Context, Name),
1277 getCanonicalMDString(Context, LinkageName), File, Line, Type,
1278 IsLocalToUnit, IsDefinition, Variable,
1279 StaticDataMemberDeclaration, Storage, ShouldCreate);
1281 static MDGlobalVariable *
1282 getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
1283 MDString *LinkageName, Metadata *File, unsigned Line, Metadata *Type,
1284 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
1285 Metadata *StaticDataMemberDeclaration, StorageType Storage,
1286 bool ShouldCreate = true);
1288 TempMDGlobalVariable cloneImpl() const {
1289 return getTemporary(getContext(), getScope(), getName(), getLinkageName(),
1290 getFile(), getLine(), getType(), isLocalToUnit(),
1291 isDefinition(), getVariable(),
1292 getStaticDataMemberDeclaration());
1296 DEFINE_MDNODE_GET(MDGlobalVariable,
1297 (Metadata * Scope, StringRef Name, StringRef 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))
1303 DEFINE_MDNODE_GET(MDGlobalVariable,
1304 (Metadata * Scope, MDString *Name, MDString *LinkageName,
1305 Metadata *File, unsigned Line, Metadata *Type,
1306 bool IsLocalToUnit, bool IsDefinition, Metadata *Variable,
1307 Metadata *StaticDataMemberDeclaration),
1308 (Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit,
1309 IsDefinition, Variable, StaticDataMemberDeclaration))
1311 bool isLocalToUnit() const { return IsLocalToUnit; }
1312 bool isDefinition() const { return IsDefinition; }
1313 StringRef getDisplayName() const { return getStringOperand(4); }
1314 StringRef getLinkageName() const { return getStringOperand(5); }
1315 Metadata *getVariable() const { return getOperand(6); }
1316 Metadata *getStaticDataMemberDeclaration() const { return getOperand(7); }
1318 static bool classof(const Metadata *MD) {
1319 return MD->getMetadataID() == MDGlobalVariableKind;
1323 /// \brief Local variable.
1325 /// TODO: Split between arguments and otherwise.
1326 /// TODO: Use \c DW_TAG_variable instead of fake tags.
1327 /// TODO: Split up flags.
1328 class MDLocalVariable : public MDVariable {
1329 friend class LLVMContextImpl;
1330 friend class MDNode;
1335 MDLocalVariable(LLVMContext &C, StorageType Storage, unsigned Tag,
1336 unsigned Line, unsigned Arg, unsigned Flags,
1337 ArrayRef<Metadata *> Ops)
1338 : MDVariable(C, MDLocalVariableKind, Storage, Tag, Line, Ops), Arg(Arg),
1340 ~MDLocalVariable() {}
1342 static MDLocalVariable *getImpl(LLVMContext &Context, unsigned Tag,
1343 Metadata *Scope, StringRef Name,
1344 Metadata *File, unsigned Line, Metadata *Type,
1345 unsigned Arg, unsigned Flags,
1346 Metadata *InlinedAt, StorageType Storage,
1347 bool ShouldCreate = true) {
1348 return getImpl(Context, Tag, Scope, getCanonicalMDString(Context, Name),
1349 File, Line, Type, Arg, Flags, InlinedAt, Storage,
1352 static MDLocalVariable *getImpl(LLVMContext &Context, unsigned Tag,
1353 Metadata *Scope, MDString *Name,
1354 Metadata *File, unsigned Line, Metadata *Type,
1355 unsigned Arg, unsigned Flags,
1356 Metadata *InlinedAt, StorageType Storage,
1357 bool ShouldCreate = true);
1359 TempMDLocalVariable cloneImpl() const {
1360 return getTemporary(getContext(), getTag(), getScope(), getName(),
1361 getFile(), getLine(), getType(), getArg(), getFlags(),
1366 DEFINE_MDNODE_GET(MDLocalVariable,
1367 (unsigned Tag, Metadata *Scope, StringRef Name,
1368 Metadata *File, unsigned Line, Metadata *Type,
1369 unsigned Arg, unsigned Flags,
1370 Metadata *InlinedAt = nullptr),
1371 (Tag, Scope, Name, File, Line, Type, Arg, Flags, InlinedAt))
1372 DEFINE_MDNODE_GET(MDLocalVariable,
1373 (unsigned Tag, Metadata *Scope, MDString *Name,
1374 Metadata *File, unsigned Line, Metadata *Type,
1375 unsigned Arg, unsigned Flags,
1376 Metadata *InlinedAt = nullptr),
1377 (Tag, Scope, Name, File, Line, Type, Arg, Flags, InlinedAt))
1379 unsigned getArg() const { return Arg; }
1380 unsigned getFlags() const { return Flags; }
1381 Metadata *getInlinedAt() const { return getOperand(4); }
1383 static bool classof(const Metadata *MD) {
1384 return MD->getMetadataID() == MDLocalVariableKind;
1388 /// \brief DWARF expression.
1390 /// TODO: Co-allocate the expression elements.
1391 /// TODO: Drop fake DW_TAG_expression and separate from DebugNode.
1392 /// TODO: Separate from MDNode, or otherwise drop Distinct and Temporary
1394 class MDExpression : public DebugNode {
1395 friend class LLVMContextImpl;
1396 friend class MDNode;
1398 std::vector<uint64_t> Elements;
1400 MDExpression(LLVMContext &C, StorageType Storage, ArrayRef<uint64_t> Elements)
1401 : DebugNode(C, MDExpressionKind, Storage, dwarf::DW_TAG_expression, None),
1402 Elements(Elements.begin(), Elements.end()) {}
1405 static MDExpression *getImpl(LLVMContext &Context,
1406 ArrayRef<uint64_t> Elements, StorageType Storage,
1407 bool ShouldCreate = true);
1409 TempMDExpression cloneImpl() const {
1410 return getTemporary(getContext(), getElements());
1414 DEFINE_MDNODE_GET(MDExpression, (ArrayRef<uint64_t> Elements), (Elements))
1416 ArrayRef<uint64_t> getElements() const { return Elements; }
1418 unsigned getNumElements() const { return Elements.size(); }
1419 uint64_t getElement(unsigned I) const {
1420 assert(I < Elements.size() && "Index out of range");
1424 typedef ArrayRef<uint64_t>::iterator element_iterator;
1425 element_iterator elements_begin() const { return getElements().begin(); }
1426 element_iterator elements_end() const { return getElements().end(); }
1428 /// \brief A lightweight wrapper around an expression operand.
1430 /// TODO: Store arguments directly and change \a MDExpression to store a
1436 explicit ExprOperand(const uint64_t *Op) : Op(Op) {}
1438 const uint64_t *get() const { return Op; }
1440 /// \brief Get the operand code.
1441 uint64_t getOp() const { return *Op; }
1443 /// \brief Get an argument to the operand.
1445 /// Never returns the operand itself.
1446 uint64_t getArg(unsigned I) const { return Op[I + 1]; }
1448 unsigned getNumArgs() const { return getSize() - 1; }
1450 /// \brief Return the size of the operand.
1452 /// Return the number of elements in the operand (1 + args).
1453 unsigned getSize() const;
1456 /// \brief An iterator for expression operands.
1457 class expr_op_iterator
1458 : public std::iterator<std::input_iterator_tag, ExprOperand> {
1462 explicit expr_op_iterator(element_iterator I) : Op(I) {}
1464 element_iterator getBase() const { return Op.get(); }
1465 const ExprOperand &operator*() const { return Op; }
1466 const ExprOperand *operator->() const { return &Op; }
1468 expr_op_iterator &operator++() {
1472 expr_op_iterator operator++(int) {
1473 expr_op_iterator T(*this);
1478 bool operator==(const expr_op_iterator &X) const {
1479 return getBase() == X.getBase();
1481 bool operator!=(const expr_op_iterator &X) const {
1482 return getBase() != X.getBase();
1486 void increment() { Op = ExprOperand(getBase() + Op.getSize()); }
1489 /// \brief Visit the elements via ExprOperand wrappers.
1491 /// These range iterators visit elements through \a ExprOperand wrappers.
1492 /// This is not guaranteed to be a valid range unless \a isValid() gives \c
1495 /// \pre \a isValid() gives \c true.
1497 expr_op_iterator expr_op_begin() const {
1498 return expr_op_iterator(elements_begin());
1500 expr_op_iterator expr_op_end() const {
1501 return expr_op_iterator(elements_end());
1505 bool isValid() const;
1507 static bool classof(const Metadata *MD) {
1508 return MD->getMetadataID() == MDExpressionKind;
1512 class MDObjCProperty : public DebugNode {
1513 friend class LLVMContextImpl;
1514 friend class MDNode;
1517 unsigned Attributes;
1519 MDObjCProperty(LLVMContext &C, StorageType Storage, unsigned Line,
1520 unsigned Attributes, ArrayRef<Metadata *> Ops)
1521 : DebugNode(C, MDObjCPropertyKind, Storage, dwarf::DW_TAG_APPLE_property,
1523 Line(Line), Attributes(Attributes) {}
1524 ~MDObjCProperty() {}
1526 static MDObjCProperty *
1527 getImpl(LLVMContext &Context, StringRef Name, Metadata *File, unsigned Line,
1528 StringRef GetterName, StringRef SetterName, unsigned Attributes,
1529 Metadata *Type, StorageType Storage, bool ShouldCreate = true) {
1530 return getImpl(Context, getCanonicalMDString(Context, Name), File, Line,
1531 getCanonicalMDString(Context, GetterName),
1532 getCanonicalMDString(Context, SetterName), Attributes, Type,
1533 Storage, ShouldCreate);
1535 static MDObjCProperty *getImpl(LLVMContext &Context, MDString *Name,
1536 Metadata *File, unsigned Line,
1537 MDString *GetterName, MDString *SetterName,
1538 unsigned Attributes, Metadata *Type,
1539 StorageType Storage, bool ShouldCreate = true);
1541 TempMDObjCProperty cloneImpl() const {
1542 return getTemporary(getContext(), getName(), getFile(), getLine(),
1543 getGetterName(), getSetterName(), getAttributes(),
1548 DEFINE_MDNODE_GET(MDObjCProperty,
1549 (StringRef Name, Metadata *File, unsigned Line,
1550 StringRef GetterName, StringRef SetterName,
1551 unsigned Attributes, Metadata *Type),
1552 (Name, File, Line, GetterName, SetterName, Attributes,
1554 DEFINE_MDNODE_GET(MDObjCProperty,
1555 (MDString * Name, Metadata *File, unsigned Line,
1556 MDString *GetterName, MDString *SetterName,
1557 unsigned Attributes, Metadata *Type),
1558 (Name, File, Line, GetterName, SetterName, Attributes,
1561 unsigned getLine() const { return Line; }
1562 unsigned getAttributes() const { return Attributes; }
1563 StringRef getName() const { return getStringOperand(0); }
1564 Metadata *getFile() const { return getOperand(1); }
1565 StringRef getGetterName() const { return getStringOperand(2); }
1566 StringRef getSetterName() const { return getStringOperand(3); }
1567 Metadata *getType() const { return getOperand(4); }
1569 static bool classof(const Metadata *MD) {
1570 return MD->getMetadataID() == MDObjCPropertyKind;
1574 class MDImportedEntity : public DebugNode {
1575 friend class LLVMContextImpl;
1576 friend class MDNode;
1580 MDImportedEntity(LLVMContext &C, StorageType Storage, unsigned Tag,
1581 unsigned Line, ArrayRef<Metadata *> Ops)
1582 : DebugNode(C, MDImportedEntityKind, Storage, Tag, Ops), Line(Line) {}
1583 ~MDImportedEntity() {}
1585 static MDImportedEntity *getImpl(LLVMContext &Context, unsigned Tag,
1586 Metadata *Scope, Metadata *Entity,
1587 unsigned Line, StringRef Name,
1588 StorageType Storage,
1589 bool ShouldCreate = true) {
1590 return getImpl(Context, Tag, Scope, Entity, Line,
1591 getCanonicalMDString(Context, Name), Storage, ShouldCreate);
1593 static MDImportedEntity *getImpl(LLVMContext &Context, unsigned Tag,
1594 Metadata *Scope, Metadata *Entity,
1595 unsigned Line, MDString *Name,
1596 StorageType Storage,
1597 bool ShouldCreate = true);
1599 TempMDImportedEntity cloneImpl() const {
1600 return getTemporary(getContext(), getTag(), getScope(), getEntity(),
1601 getLine(), getName());
1605 DEFINE_MDNODE_GET(MDImportedEntity,
1606 (unsigned Tag, Metadata *Scope, Metadata *Entity,
1607 unsigned Line, StringRef Name = ""),
1608 (Tag, Scope, Entity, Line, Name))
1609 DEFINE_MDNODE_GET(MDImportedEntity,
1610 (unsigned Tag, Metadata *Scope, Metadata *Entity,
1611 unsigned Line, MDString *Name),
1612 (Tag, Scope, Entity, Line, Name))
1614 TempMDImportedEntity clone() const { return cloneImpl(); }
1616 unsigned getLine() const { return Line; }
1617 Metadata *getScope() const { return getOperand(0); }
1618 Metadata *getEntity() const { return getOperand(1); }
1619 StringRef getName() const { return getStringOperand(2); }
1621 static bool classof(const Metadata *MD) {
1622 return MD->getMetadataID() == MDImportedEntityKind;
1626 } // end namespace llvm
1628 #undef DEFINE_MDNODE_GET_UNPACK_IMPL
1629 #undef DEFINE_MDNODE_GET_UNPACK
1630 #undef DEFINE_MDNODE_GET