1 //===- DIBuilder.h - Debug Information Builder ------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines a DIBuilder that is useful for creating debugging
11 // information entries in LLVM IR form.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_IR_DIBUILDER_H
16 #define LLVM_IR_DIBUILDER_H
18 #include "llvm/ADT/ArrayRef.h"
19 #include "llvm/ADT/StringRef.h"
20 #include "llvm/IR/DebugInfo.h"
21 #include "llvm/IR/ValueHandle.h"
22 #include "llvm/Support/DataTypes.h"
35 class DICompositeType;
41 class DIGlobalVariable;
42 class DIImportedEntity;
46 class DILexicalBlockFile;
50 class DITemplateTypeParameter;
51 class DITemplateValueParameter;
57 LLVMContext &VMContext;
59 MDNode *TempEnumTypes;
60 MDNode *TempRetainTypes;
61 MDNode *TempSubprograms;
63 MDNode *TempImportedModules;
65 Function *DeclareFn; // llvm.dbg.declare
66 Function *ValueFn; // llvm.dbg.value
68 SmallVector<Value *, 4> AllEnumTypes;
69 /// Use TrackingVH to collect RetainTypes, since they can be updated
71 SmallVector<TrackingVH<MDNode>, 4> AllRetainTypes;
72 SmallVector<Value *, 4> AllSubprograms;
73 SmallVector<Value *, 4> AllGVs;
74 SmallVector<TrackingVH<MDNode>, 4> AllImportedModules;
76 /// Each subprogram's preserved local variables.
77 DenseMap<MDNode *, std::vector<TrackingVH<MDNode>>> PreservedVariables;
79 // Private use for multiple types of template parameters.
80 DITemplateValueParameter
81 createTemplateValueParameter(unsigned Tag, DIDescriptor Scope,
82 StringRef Name, DIType Ty, Value *Val,
83 MDNode *File = nullptr, unsigned LineNo = 0,
84 unsigned ColumnNo = 0);
86 DIBuilder(const DIBuilder &) LLVM_DELETED_FUNCTION;
87 void operator=(const DIBuilder &) LLVM_DELETED_FUNCTION;
90 explicit DIBuilder(Module &M);
91 enum DebugEmissionKind { FullDebug=1, LineTablesOnly };
93 /// finalize - Construct any deferred debug info descriptors.
96 /// createCompileUnit - A CompileUnit provides an anchor for all debugging
97 /// information generated during this instance of compilation.
98 /// @param Lang Source programming language, eg. dwarf::DW_LANG_C99
99 /// @param File File name
100 /// @param Dir Directory
101 /// @param Producer Identify the producer of debugging information and code.
102 /// Usually this is a compiler version string.
103 /// @param isOptimized A boolean flag which indicates whether optimization
105 /// @param Flags This string lists command line options. This string is
106 /// directly embedded in debug info output which may be used
107 /// by a tool analyzing generated debugging information.
108 /// @param RV This indicates runtime version for languages like
110 /// @param SplitName The name of the file that we'll split debug info out
112 /// @param Kind The kind of debug information to generate.
113 /// @param EmitDebugInfo A boolean flag which indicates whether debug
114 /// information should be written to the final
115 /// output or not. When this is false, debug
116 /// information annotations will be present in
117 /// the IL but they are not written to the final
118 /// assembly or object file. This supports tracking
119 /// source location information in the back end
120 /// without actually changing the output (e.g.,
121 /// when using optimization remarks).
122 DICompileUnit createCompileUnit(unsigned Lang, StringRef File,
123 StringRef Dir, StringRef Producer,
124 bool isOptimized, StringRef Flags,
126 StringRef SplitName = StringRef(),
127 DebugEmissionKind Kind = FullDebug,
128 bool EmitDebugInfo = true);
130 /// createFile - Create a file descriptor to hold debugging information
132 DIFile createFile(StringRef Filename, StringRef Directory);
134 /// createEnumerator - Create a single enumerator value.
135 DIEnumerator createEnumerator(StringRef Name, int64_t Val);
137 /// \brief Create a DWARF unspecified type.
138 DIBasicType createUnspecifiedType(StringRef Name);
140 /// \brief Create C++11 nullptr type.
141 DIBasicType createNullPtrType();
143 /// createBasicType - Create debugging information entry for a basic
145 /// @param Name Type name.
146 /// @param SizeInBits Size of the type.
147 /// @param AlignInBits Type alignment.
148 /// @param Encoding DWARF encoding code, e.g. dwarf::DW_ATE_float.
149 DIBasicType createBasicType(StringRef Name, uint64_t SizeInBits,
150 uint64_t AlignInBits, unsigned Encoding);
152 /// createQualifiedType - Create debugging information entry for a qualified
153 /// type, e.g. 'const int'.
154 /// @param Tag Tag identifing type, e.g. dwarf::TAG_volatile_type
155 /// @param FromTy Base Type.
156 DIDerivedType createQualifiedType(unsigned Tag, DIType FromTy);
158 /// createPointerType - Create debugging information entry for a pointer.
159 /// @param PointeeTy Type pointed by this pointer.
160 /// @param SizeInBits Size.
161 /// @param AlignInBits Alignment. (optional)
162 /// @param Name Pointer type name. (optional)
164 createPointerType(DIType PointeeTy, uint64_t SizeInBits,
165 uint64_t AlignInBits = 0, StringRef Name = StringRef());
167 /// \brief Create debugging information entry for a pointer to member.
168 /// @param PointeeTy Type pointed to by this pointer.
169 /// @param Class Type for which this pointer points to members of.
170 DIDerivedType createMemberPointerType(DIType PointeeTy, DIType Class);
172 /// createReferenceType - Create debugging information entry for a c++
173 /// style reference or rvalue reference type.
174 DIDerivedType createReferenceType(unsigned Tag, DIType RTy);
176 /// createTypedef - Create debugging information entry for a typedef.
177 /// @param Ty Original type.
178 /// @param Name Typedef name.
179 /// @param File File where this type is defined.
180 /// @param LineNo Line number.
181 /// @param Context The surrounding context for the typedef.
182 DIDerivedType createTypedef(DIType Ty, StringRef Name, DIFile File,
183 unsigned LineNo, DIDescriptor Context);
185 /// createFriend - Create debugging information entry for a 'friend'.
186 DIDerivedType createFriend(DIType Ty, DIType FriendTy);
188 /// createInheritance - Create debugging information entry to establish
189 /// inheritance relationship between two types.
190 /// @param Ty Original type.
191 /// @param BaseTy Base type. Ty is inherits from base.
192 /// @param BaseOffset Base offset.
193 /// @param Flags Flags to describe inheritance attribute,
195 DIDerivedType createInheritance(DIType Ty, DIType BaseTy,
196 uint64_t BaseOffset, unsigned Flags);
198 /// createMemberType - Create debugging information entry for a member.
199 /// @param Scope Member scope.
200 /// @param Name Member name.
201 /// @param File File where this member is defined.
202 /// @param LineNo Line number.
203 /// @param SizeInBits Member size.
204 /// @param AlignInBits Member alignment.
205 /// @param OffsetInBits Member offset.
206 /// @param Flags Flags to encode member attribute, e.g. private
207 /// @param Ty Parent type.
209 createMemberType(DIDescriptor Scope, StringRef Name, DIFile File,
210 unsigned LineNo, uint64_t SizeInBits, uint64_t AlignInBits,
211 uint64_t OffsetInBits, unsigned Flags, DIType Ty);
213 /// createStaticMemberType - Create debugging information entry for a
214 /// C++ static data member.
215 /// @param Scope Member scope.
216 /// @param Name Member name.
217 /// @param File File where this member is declared.
218 /// @param LineNo Line number.
219 /// @param Ty Type of the static member.
220 /// @param Flags Flags to encode member attribute, e.g. private.
221 /// @param Val Const initializer of the member.
223 createStaticMemberType(DIDescriptor Scope, StringRef Name,
224 DIFile File, unsigned LineNo, DIType Ty,
225 unsigned Flags, llvm::Value *Val);
227 /// createObjCIVar - Create debugging information entry for Objective-C
228 /// instance variable.
229 /// @param Name Member name.
230 /// @param File File where this member is defined.
231 /// @param LineNo Line number.
232 /// @param SizeInBits Member size.
233 /// @param AlignInBits Member alignment.
234 /// @param OffsetInBits Member offset.
235 /// @param Flags Flags to encode member attribute, e.g. private
236 /// @param Ty Parent type.
237 /// @param PropertyNode Property associated with this ivar.
238 DIDerivedType createObjCIVar(StringRef Name, DIFile File,
239 unsigned LineNo, uint64_t SizeInBits,
240 uint64_t AlignInBits, uint64_t OffsetInBits,
241 unsigned Flags, DIType Ty,
242 MDNode *PropertyNode);
244 /// createObjCProperty - Create debugging information entry for Objective-C
246 /// @param Name Property name.
247 /// @param File File where this property is defined.
248 /// @param LineNumber Line number.
249 /// @param GetterName Name of the Objective C property getter selector.
250 /// @param SetterName Name of the Objective C property setter selector.
251 /// @param PropertyAttributes Objective C property attributes.
253 DIObjCProperty createObjCProperty(StringRef Name,
254 DIFile File, unsigned LineNumber,
255 StringRef GetterName,
256 StringRef SetterName,
257 unsigned PropertyAttributes,
260 /// createClassType - Create debugging information entry for a class.
261 /// @param Scope Scope in which this class is defined.
262 /// @param Name class name.
263 /// @param File File where this member is defined.
264 /// @param LineNumber Line number.
265 /// @param SizeInBits Member size.
266 /// @param AlignInBits Member alignment.
267 /// @param OffsetInBits Member offset.
268 /// @param Flags Flags to encode member attribute, e.g. private
269 /// @param Elements class members.
270 /// @param VTableHolder Debug info of the base class that contains vtable
271 /// for this type. This is used in
272 /// DW_AT_containing_type. See DWARF documentation
274 /// @param TemplateParms Template type parameters.
275 /// @param UniqueIdentifier A unique identifier for the class.
276 DICompositeType createClassType(DIDescriptor Scope, StringRef Name,
277 DIFile File, unsigned LineNumber,
278 uint64_t SizeInBits, uint64_t AlignInBits,
279 uint64_t OffsetInBits, unsigned Flags,
280 DIType DerivedFrom, DIArray Elements,
281 DIType VTableHolder = DIType(),
282 MDNode *TemplateParms = nullptr,
283 StringRef UniqueIdentifier = StringRef());
285 /// createStructType - Create debugging information entry for a struct.
286 /// @param Scope Scope in which this struct is defined.
287 /// @param Name Struct name.
288 /// @param File File where this member is defined.
289 /// @param LineNumber Line number.
290 /// @param SizeInBits Member size.
291 /// @param AlignInBits Member alignment.
292 /// @param Flags Flags to encode member attribute, e.g. private
293 /// @param Elements Struct elements.
294 /// @param RunTimeLang Optional parameter, Objective-C runtime version.
295 /// @param UniqueIdentifier A unique identifier for the struct.
296 DICompositeType createStructType(DIDescriptor Scope, StringRef Name,
297 DIFile File, unsigned LineNumber,
298 uint64_t SizeInBits, uint64_t AlignInBits,
299 unsigned Flags, DIType DerivedFrom,
300 DIArray Elements, unsigned RunTimeLang = 0,
301 DIType VTableHolder = DIType(),
302 StringRef UniqueIdentifier = StringRef());
304 /// createUnionType - Create debugging information entry for an union.
305 /// @param Scope Scope in which this union is defined.
306 /// @param Name Union name.
307 /// @param File File where this member is defined.
308 /// @param LineNumber Line number.
309 /// @param SizeInBits Member size.
310 /// @param AlignInBits Member alignment.
311 /// @param Flags Flags to encode member attribute, e.g. private
312 /// @param Elements Union elements.
313 /// @param RunTimeLang Optional parameter, Objective-C runtime version.
314 /// @param UniqueIdentifier A unique identifier for the union.
315 DICompositeType createUnionType(
316 DIDescriptor Scope, StringRef Name, DIFile File, unsigned LineNumber,
317 uint64_t SizeInBits, uint64_t AlignInBits, unsigned Flags,
318 DIArray Elements, unsigned RunTimeLang = 0,
319 StringRef UniqueIdentifier = StringRef());
321 /// createTemplateTypeParameter - Create debugging information for template
323 /// @param Scope Scope in which this type is defined.
324 /// @param Name Type parameter name.
325 /// @param Ty Parameter type.
326 /// @param File File where this type parameter is defined.
327 /// @param LineNo Line number.
328 /// @param ColumnNo Column Number.
329 DITemplateTypeParameter
330 createTemplateTypeParameter(DIDescriptor Scope, StringRef Name, DIType Ty,
331 MDNode *File = nullptr, unsigned LineNo = 0,
332 unsigned ColumnNo = 0);
334 /// createTemplateValueParameter - Create debugging information for template
336 /// @param Scope Scope in which this type is defined.
337 /// @param Name Value parameter name.
338 /// @param Ty Parameter type.
339 /// @param Val Constant parameter value.
340 /// @param File File where this type parameter is defined.
341 /// @param LineNo Line number.
342 /// @param ColumnNo Column Number.
343 DITemplateValueParameter
344 createTemplateValueParameter(DIDescriptor Scope, StringRef Name,
345 DIType Ty, Value *Val, MDNode *File = nullptr,
346 unsigned LineNo = 0, unsigned ColumnNo = 0);
348 /// \brief Create debugging information for a template template parameter.
349 /// @param Scope Scope in which this type is defined.
350 /// @param Name Value parameter name.
351 /// @param Ty Parameter type.
352 /// @param Val The fully qualified name of the template.
353 /// @param File File where this type parameter is defined.
354 /// @param LineNo Line number.
355 /// @param ColumnNo Column Number.
356 DITemplateValueParameter
357 createTemplateTemplateParameter(DIDescriptor Scope, StringRef Name,
358 DIType Ty, StringRef Val,
359 MDNode *File = nullptr, unsigned LineNo = 0,
360 unsigned ColumnNo = 0);
362 /// \brief Create debugging information for a template parameter pack.
363 /// @param Scope Scope in which this type is defined.
364 /// @param Name Value parameter name.
365 /// @param Ty Parameter type.
366 /// @param Val An array of types in the pack.
367 /// @param File File where this type parameter is defined.
368 /// @param LineNo Line number.
369 /// @param ColumnNo Column Number.
370 DITemplateValueParameter
371 createTemplateParameterPack(DIDescriptor Scope, StringRef Name,
372 DIType Ty, DIArray Val, MDNode *File = nullptr,
373 unsigned LineNo = 0, unsigned ColumnNo = 0);
375 /// createArrayType - Create debugging information entry for an array.
376 /// @param Size Array size.
377 /// @param AlignInBits Alignment.
378 /// @param Ty Element type.
379 /// @param Subscripts Subscripts.
380 DICompositeType createArrayType(uint64_t Size, uint64_t AlignInBits,
381 DIType Ty, DIArray Subscripts);
383 /// createVectorType - Create debugging information entry for a vector type.
384 /// @param Size Array size.
385 /// @param AlignInBits Alignment.
386 /// @param Ty Element type.
387 /// @param Subscripts Subscripts.
388 DICompositeType createVectorType(uint64_t Size, uint64_t AlignInBits,
389 DIType Ty, DIArray Subscripts);
391 /// createEnumerationType - Create debugging information entry for an
393 /// @param Scope Scope in which this enumeration is defined.
394 /// @param Name Union name.
395 /// @param File File where this member is defined.
396 /// @param LineNumber Line number.
397 /// @param SizeInBits Member size.
398 /// @param AlignInBits Member alignment.
399 /// @param Elements Enumeration elements.
400 /// @param UnderlyingType Underlying type of a C++11/ObjC fixed enum.
401 /// @param UniqueIdentifier A unique identifier for the enum.
402 DICompositeType createEnumerationType(DIDescriptor Scope, StringRef Name,
403 DIFile File, unsigned LineNumber, uint64_t SizeInBits,
404 uint64_t AlignInBits, DIArray Elements, DIType UnderlyingType,
405 StringRef UniqueIdentifier = StringRef());
407 /// createSubroutineType - Create subroutine type.
408 /// @param File File in which this subroutine is defined.
409 /// @param ParameterTypes An array of subroutine parameter types. This
410 /// includes return type at 0th index.
411 /// @param Flags E.g.: LValueReference.
412 /// These flags are used to emit dwarf attributes.
413 DISubroutineType createSubroutineType(DIFile File,
414 DITypeArray ParameterTypes,
417 /// createArtificialType - Create a new DIType with "artificial" flag set.
418 DIType createArtificialType(DIType Ty);
420 /// createObjectPointerType - Create a new DIType with the "object pointer"
422 DIType createObjectPointerType(DIType Ty);
424 /// \brief Create a permanent forward-declared type.
425 DICompositeType createForwardDecl(unsigned Tag, StringRef Name,
426 DIDescriptor Scope, DIFile F,
427 unsigned Line, unsigned RuntimeLang = 0,
428 uint64_t SizeInBits = 0,
429 uint64_t AlignInBits = 0,
430 StringRef UniqueIdentifier = StringRef());
432 /// \brief Create a temporary forward-declared type.
433 DICompositeType createReplaceableForwardDecl(
434 unsigned Tag, StringRef Name, DIDescriptor Scope, DIFile F,
435 unsigned Line, unsigned RuntimeLang = 0, uint64_t SizeInBits = 0,
436 uint64_t AlignInBits = 0, StringRef UniqueIdentifier = StringRef());
438 /// retainType - Retain DIType in a module even if it is not referenced
439 /// through debug info anchors.
440 void retainType(DIType T);
442 /// createUnspecifiedParameter - Create unspecified parameter type
443 /// for a subroutine type.
444 DIBasicType createUnspecifiedParameter();
446 /// getOrCreateArray - Get a DIArray, create one if required.
447 DIArray getOrCreateArray(ArrayRef<Value *> Elements);
449 /// getOrCreateTypeArray - Get a DITypeArray, create one if required.
450 DITypeArray getOrCreateTypeArray(ArrayRef<Value *> Elements);
452 /// getOrCreateSubrange - Create a descriptor for a value range. This
453 /// implicitly uniques the values returned.
454 DISubrange getOrCreateSubrange(int64_t Lo, int64_t Count);
457 /// createGlobalVariable - Create a new descriptor for the specified
459 /// @param Context Variable scope.
460 /// @param Name Name of the variable.
461 /// @param LinkageName Mangled name of the variable.
462 /// @param File File where this variable is defined.
463 /// @param LineNo Line number.
464 /// @param Ty Variable Type.
465 /// @param isLocalToUnit Boolean flag indicate whether this variable is
466 /// externally visible or not.
467 /// @param Val llvm::Value of the variable.
468 /// @param Decl Reference to the corresponding declaration.
470 createGlobalVariable(DIDescriptor Context, StringRef Name,
471 StringRef LinkageName, DIFile File, unsigned LineNo,
472 DITypeRef Ty, bool isLocalToUnit, llvm::Value *Val,
473 MDNode *Decl = nullptr);
475 /// createTempGlobalVariableFwdDecl - Identical to createGlobalVariable
476 /// except that the resulting DbgNode is temporary and meant to be RAUWed.
478 createTempGlobalVariableFwdDecl(DIDescriptor Context, StringRef Name,
479 StringRef LinkageName, DIFile File,
480 unsigned LineNo, DITypeRef Ty,
481 bool isLocalToUnit, llvm::Value *Val,
482 MDNode *Decl = nullptr);
485 /// createLocalVariable - Create a new descriptor for the specified
487 /// @param Tag Dwarf TAG. Usually DW_TAG_auto_variable or
488 /// DW_TAG_arg_variable.
489 /// @param Scope Variable scope.
490 /// @param Name Variable name.
491 /// @param File File where this variable is defined.
492 /// @param LineNo Line number.
493 /// @param Ty Variable Type
494 /// @param AlwaysPreserve Boolean. Set to true if debug info for this
495 /// variable should be preserved in optimized build.
496 /// @param Flags Flags, e.g. artificial variable.
497 /// @param ArgNo If this variable is an argument then this argument's
498 /// number. 1 indicates 1st argument.
499 DIVariable createLocalVariable(unsigned Tag, DIDescriptor Scope,
501 DIFile File, unsigned LineNo,
502 DITypeRef Ty, bool AlwaysPreserve = false,
506 /// createExpression - Create a new descriptor for the specified
507 /// variable which has a complex address expression for its address.
508 /// @param Addr An array of complex address operations.
509 DIExpression createExpression(ArrayRef<int64_t> Addr = None);
511 /// createPieceExpression - Create a descriptor to describe one part
512 /// of aggregate variable that is fragmented across multiple Values.
514 /// @param OffsetInBytes Offset of the piece in bytes.
515 /// @param SizeInBytes Size of the piece in bytes.
516 DIExpression createPieceExpression(unsigned OffsetInBytes,
517 unsigned SizeInBytes);
519 /// createFunction - Create a new descriptor for the specified subprogram.
520 /// See comments in DISubprogram for descriptions of these fields.
521 /// @param Scope Function scope.
522 /// @param Name Function name.
523 /// @param LinkageName Mangled function name.
524 /// @param File File where this variable is defined.
525 /// @param LineNo Line number.
526 /// @param Ty Function type.
527 /// @param isLocalToUnit True if this function is not externally visible.
528 /// @param isDefinition True if this is a function definition.
529 /// @param ScopeLine Set to the beginning of the scope this starts
530 /// @param Flags e.g. is this function prototyped or not.
531 /// These flags are used to emit dwarf attributes.
532 /// @param isOptimized True if optimization is ON.
533 /// @param Fn llvm::Function pointer.
534 /// @param TParam Function template parameters.
535 DISubprogram createFunction(DIDescriptor Scope, StringRef Name,
536 StringRef LinkageName,
537 DIFile File, unsigned LineNo,
538 DICompositeType Ty, bool isLocalToUnit,
542 bool isOptimized = false,
543 Function *Fn = nullptr,
544 MDNode *TParam = nullptr,
545 MDNode *Decl = nullptr);
547 /// createTempFunctionFwdDecl - Identical to createFunction,
548 /// except that the resulting DbgNode is meant to be RAUWed.
549 DISubprogram createTempFunctionFwdDecl(DIDescriptor Scope, StringRef Name,
550 StringRef LinkageName,
551 DIFile File, unsigned LineNo,
552 DICompositeType Ty, bool isLocalToUnit,
556 bool isOptimized = false,
557 Function *Fn = nullptr,
558 MDNode *TParam = nullptr,
559 MDNode *Decl = nullptr);
562 /// FIXME: this is added for dragonegg. Once we update dragonegg
563 /// to call resolve function, this will be removed.
564 DISubprogram createFunction(DIScopeRef Scope, StringRef Name,
565 StringRef LinkageName,
566 DIFile File, unsigned LineNo,
567 DICompositeType Ty, bool isLocalToUnit,
571 bool isOptimized = false,
572 Function *Fn = nullptr,
573 MDNode *TParam = nullptr,
574 MDNode *Decl = nullptr);
576 /// createMethod - Create a new descriptor for the specified C++ method.
577 /// See comments in DISubprogram for descriptions of these fields.
578 /// @param Scope Function scope.
579 /// @param Name Function name.
580 /// @param LinkageName Mangled function name.
581 /// @param File File where this variable is defined.
582 /// @param LineNo Line number.
583 /// @param Ty Function type.
584 /// @param isLocalToUnit True if this function is not externally visible..
585 /// @param isDefinition True if this is a function definition.
586 /// @param Virtuality Attributes describing virtualness. e.g. pure
587 /// virtual function.
588 /// @param VTableIndex Index no of this method in virtual table.
589 /// @param VTableHolder Type that holds vtable.
590 /// @param Flags e.g. is this function prototyped or not.
591 /// This flags are used to emit dwarf attributes.
592 /// @param isOptimized True if optimization is ON.
593 /// @param Fn llvm::Function pointer.
594 /// @param TParam Function template parameters.
595 DISubprogram createMethod(DIDescriptor Scope, StringRef Name,
596 StringRef LinkageName,
597 DIFile File, unsigned LineNo,
598 DICompositeType Ty, bool isLocalToUnit,
600 unsigned Virtuality = 0, unsigned VTableIndex = 0,
601 DIType VTableHolder = DIType(),
603 bool isOptimized = false,
604 Function *Fn = nullptr,
605 MDNode *TParam = nullptr);
607 /// createNameSpace - This creates new descriptor for a namespace
608 /// with the specified parent scope.
609 /// @param Scope Namespace scope
610 /// @param Name Name of this namespace
611 /// @param File Source file
612 /// @param LineNo Line number
613 DINameSpace createNameSpace(DIDescriptor Scope, StringRef Name,
614 DIFile File, unsigned LineNo);
617 /// createLexicalBlockFile - This creates a descriptor for a lexical
618 /// block with a new file attached. This merely extends the existing
619 /// lexical block as it crosses a file.
620 /// @param Scope Lexical block.
621 /// @param File Source file.
622 /// @param Discriminator DWARF path discriminator value.
623 DILexicalBlockFile createLexicalBlockFile(DIDescriptor Scope, DIFile File,
624 unsigned Discriminator = 0);
626 /// createLexicalBlock - This creates a descriptor for a lexical block
627 /// with the specified parent context.
628 /// @param Scope Parent lexical scope.
629 /// @param File Source file.
630 /// @param Line Line number.
631 /// @param Col Column number.
632 DILexicalBlock createLexicalBlock(DIDescriptor Scope, DIFile File,
633 unsigned Line, unsigned Col);
635 /// \brief Create a descriptor for an imported module.
636 /// @param Context The scope this module is imported into
637 /// @param NS The namespace being imported here
638 /// @param Line Line number
639 DIImportedEntity createImportedModule(DIScope Context, DINameSpace NS,
642 /// \brief Create a descriptor for an imported module.
643 /// @param Context The scope this module is imported into
644 /// @param NS An aliased namespace
645 /// @param Line Line number
646 DIImportedEntity createImportedModule(DIScope Context, DIImportedEntity NS,
649 /// \brief Create a descriptor for an imported function.
650 /// @param Context The scope this module is imported into
651 /// @param Decl The declaration (or definition) of a function, type, or
653 /// @param Line Line number
654 DIImportedEntity createImportedDeclaration(DIScope Context, DIDescriptor Decl,
656 StringRef Name = StringRef());
657 DIImportedEntity createImportedDeclaration(DIScope Context,
660 StringRef Name = StringRef());
662 /// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
663 /// @param Storage llvm::Value of the variable
664 /// @param VarInfo Variable's debug info descriptor.
665 /// @param Expr A complex location expression.
666 /// @param InsertAtEnd Location for the new intrinsic.
667 Instruction *insertDeclare(llvm::Value *Storage, DIVariable VarInfo,
668 DIExpression Expr, BasicBlock *InsertAtEnd);
670 /// insertDeclare - Insert a new llvm.dbg.declare intrinsic call.
671 /// @param Storage llvm::Value of the variable
672 /// @param VarInfo Variable's debug info descriptor.
673 /// @param Expr A complex location expression.
674 /// @param InsertBefore Location for the new intrinsic.
675 Instruction *insertDeclare(llvm::Value *Storage, DIVariable VarInfo,
676 DIExpression Expr, Instruction *InsertBefore);
678 /// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
679 /// @param Val llvm::Value of the variable
680 /// @param Offset Offset
681 /// @param VarInfo Variable's debug info descriptor.
682 /// @param Expr A complex location expression.
683 /// @param InsertAtEnd Location for the new intrinsic.
684 Instruction *insertDbgValueIntrinsic(llvm::Value *Val, uint64_t Offset,
685 DIVariable VarInfo, DIExpression Expr,
686 BasicBlock *InsertAtEnd);
688 /// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
689 /// @param Val llvm::Value of the variable
690 /// @param Offset Offset
691 /// @param VarInfo Variable's debug info descriptor.
692 /// @param Expr A complex location expression.
693 /// @param InsertBefore Location for the new intrinsic.
694 Instruction *insertDbgValueIntrinsic(llvm::Value *Val, uint64_t Offset,
695 DIVariable VarInfo, DIExpression Expr,
696 Instruction *InsertBefore);
698 } // end namespace llvm