This class gathers all debug information during compilation and is responsible for emitting to llvm globals or pass directly to the backend. More...

#include "/home/buildbot/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/CodeGen/CGDebugInfo.h"

Public Member Functions
	CGDebugInfo (CodeGenModule &CGM)
	~CGDebugInfo ()
void	finalize ()
std::string	remapDIPath (StringRef) const
	Remap a given path with the current debug prefix map.
void	registerVLASizeExpression (QualType Ty, llvm::Metadata *SizeExpr)
	Register VLA size expression debug node with the qualified type.
void	setLocation (SourceLocation Loc)
	Update the current source location.
SourceLocation	getLocation () const
	Return the current source location.
void	setInlinedAt (llvm::MDNode *InlinedAt)
	Update the current inline scope.
llvm::MDNode *	getInlinedAt () const
llvm::DebugLoc	SourceLocToDebugLoc (SourceLocation Loc)
void	EmitLocation (CGBuilderTy &Builder, SourceLocation Loc)
	Emit metadata to indicate a change in line/column information in the source file.
QualType	getFunctionType (const FunctionDecl FD, QualType RetTy, const SmallVectorImpl< const VarDecl > &Args)
void	emitFunctionStart (GlobalDecl GD, SourceLocation Loc, SourceLocation ScopeLoc, QualType FnType, llvm::Function *Fn, bool CurFnIsThunk)
	Emit a call to llvm.dbg.function.start to indicate start of a new function.
void	EmitInlineFunctionStart (CGBuilderTy &Builder, GlobalDecl GD)
	Start a new scope for an inlined function.
void	EmitInlineFunctionEnd (CGBuilderTy &Builder)
	End an inlined function scope.
void	EmitFunctionDecl (GlobalDecl GD, SourceLocation Loc, QualType FnType, llvm::Function *Fn=nullptr)
	Emit debug info for a function declaration.
void	EmitFuncDeclForCallSite (llvm::CallBase CallOrInvoke, QualType CalleeType, const FunctionDecl CalleeDecl)
	Emit debug info for an extern function being called.
void	EmitFunctionEnd (CGBuilderTy &Builder, llvm::Function *Fn)
	Constructs the debug code for exiting a function.
void	EmitLexicalBlockStart (CGBuilderTy &Builder, SourceLocation Loc)
	Emit metadata to indicate the beginning of a new lexical block and push the block onto the stack.
void	EmitLexicalBlockEnd (CGBuilderTy &Builder, SourceLocation Loc)
	Emit metadata to indicate the end of a new lexical block and pop the current block.
llvm::DILocalVariable *	EmitDeclareOfAutoVariable (const VarDecl Decl, llvm::Value AI, CGBuilderTy &Builder, const bool UsePointerValue=false)
	Emit call to `llvm.dbg.declare` for an automatic variable declaration.
void	EmitLabel (const LabelDecl *D, CGBuilderTy &Builder)
	Emit call to `llvm.dbg.label` for an label.
void	EmitDeclareOfBlockDeclRefVariable (const VarDecl variable, llvm::Value storage, CGBuilderTy &Builder, const CGBlockInfo &blockInfo, llvm::Instruction *InsertPoint=nullptr)
	Emit call to `llvm.dbg.declare` for an imported variable declaration in a block.
llvm::DILocalVariable *	EmitDeclareOfArgVariable (const VarDecl Decl, llvm::Value AI, unsigned ArgNo, CGBuilderTy &Builder, bool UsePointerValue=false)
	Emit call to `llvm.dbg.declare` for an argument variable declaration.
void	EmitDeclareOfBlockLiteralArgVariable (const CGBlockInfo &block, StringRef Name, unsigned ArgNo, llvm::AllocaInst *LocalAddr, CGBuilderTy &Builder)
	Emit call to `llvm.dbg.declare` for the block-literal argument to a block invocation function.
void	EmitGlobalVariable (llvm::GlobalVariable GV, const VarDecl Decl)
	Emit information about a global variable.
void	EmitGlobalVariable (const ValueDecl *VD, const APValue &Init)
	Emit a constant global variable's debug info.
void	EmitExternalVariable (llvm::GlobalVariable GV, const VarDecl Decl)
	Emit information about an external variable.
void	EmitPseudoVariable (CGBuilderTy &Builder, llvm::Instruction *Value, QualType Ty)
	Emit a pseudo variable and debug info for an intermediate value if it does not correspond to a variable in the source code, so that a profiler can track more accurate usage of certain instructions of interest.
void	EmitGlobalAlias (const llvm::GlobalValue *GV, const GlobalDecl Decl)
	Emit information about global variable alias.
void	EmitUsingDirective (const UsingDirectiveDecl &UD)
	Emit C++ using directive.
void	EmitExplicitCastType (QualType Ty)
	Emit the type explicitly casted to.
void	EmitAndRetainType (QualType Ty)
	Emit the type even if it might not be used.
void	EmitUsingShadowDecl (const UsingShadowDecl &USD)
	Emit a shadow decl brought in by a using or using-enum.
void	EmitUsingDecl (const UsingDecl &UD)
	Emit C++ using declaration.
void	EmitUsingEnumDecl (const UsingEnumDecl &UD)
	Emit C++ using-enum declaration.
void	EmitImportDecl (const ImportDecl &ID)
	Emit an @import declaration.
void	AddStringLiteralDebugInfo (llvm::GlobalVariable GV, const StringLiteral S)
	DebugInfo isn't attached to string literals by default.
llvm::DIImportedEntity *	EmitNamespaceAlias (const NamespaceAliasDecl &NA)
	Emit C++ namespace alias.
llvm::DIType *	getOrCreateRecordType (QualType Ty, SourceLocation L)
	Emit record type's standalone debug info.
llvm::DIType *	getOrCreateInterfaceType (QualType Ty, SourceLocation Loc)
	Emit an Objective-C interface type standalone debug info.
llvm::DIType *	getOrCreateStandaloneType (QualType Ty, SourceLocation Loc)
	Emit standalone debug info for a type.
void	addHeapAllocSiteMetadata (llvm::CallBase *CallSite, QualType AllocatedTy, SourceLocation Loc)
	Add heapallocsite metadata for MSAllocator calls.
void	completeType (const EnumDecl *ED)
void	completeType (const RecordDecl *RD)
void	completeRequiredType (const RecordDecl *RD)
void	completeClassData (const RecordDecl *RD)
void	completeClass (const RecordDecl *RD)
void	completeTemplateDefinition (const ClassTemplateSpecializationDecl &SD)
void	completeUnusedClass (const CXXRecordDecl &D)
llvm::DIMacro *	CreateMacro (llvm::DIMacroFile *Parent, unsigned MType, SourceLocation LineLoc, StringRef Name, StringRef Value)
	Create debug info for a macro defined by a #define directive or a macro undefined by a #undef directive.
llvm::DIMacroFile *	CreateTempMacroFile (llvm::DIMacroFile *Parent, SourceLocation LineLoc, SourceLocation FileLoc)
	Create debug info for a file referenced by an #include directive.
Param2DILocTy &	getParamDbgMappings ()
ParamDecl2StmtTy &	getCoroutineParameterMappings ()
llvm::DILocation *	CreateTrapFailureMessageFor (llvm::DebugLoc TrapLocation, StringRef Category, StringRef FailureMsg)
	Create a debug location from TrapLocation that adds an artificial inline frame where the frame name is.
llvm::DILocation *	CreateSyntheticInlineAt (llvm::DebugLoc Location, StringRef FuncName)
	Create a debug location from Location that adds an artificial inline frame where the frame name is FuncName.
void	completeFunction ()
	Reset internal state.
void	addInstToCurrentSourceAtom (llvm::Instruction KeyInstruction, llvm::Value Backup)
	Add `KeyInstruction` and an optional `Backup` instruction to the current atom group, created using ApplyAtomGroup.
void	addInstToSpecificSourceAtom (llvm::Instruction KeyInstruction, llvm::Value Backup, uint64_t Atom)
	Add `KeyInstruction` and an optional `Backup` instruction to the atom group `Atom`.
void	emitVTableSymbol (llvm::GlobalVariable VTable, const CXXRecordDecl RD)
	Emit symbol for debugger that holds the pointer to the vtable.

void	setDwoId (uint64_t Signature)
	Module debugging: Support for building PCMs.
void	setModuleMap (ModuleMap &MMap)
	When generating debug information for a clang module or precompiled header, this module map will be used to determine the module of origin of each Decl.
void	setPCHDescriptor (ASTSourceDescriptor PCH)
	When generating debug information for a clang module or precompiled header, this module map will be used to determine the module of origin of each Decl.

Friends
class	ApplyDebugLocation
class	SaveAndRestoreLocation
class	ApplyAtomGroup

Detailed Description

This class gathers all debug information during compilation and is responsible for emitting to llvm globals or pass directly to the backend.

Definition at line 59 of file CGDebugInfo.h.

Constructor & Destructor Documentation

◆ CGDebugInfo()

CGDebugInfo::CGDebugInfo ( CodeGenModule & CGM )

Definition at line 113 of file CGDebugInfo.cpp.

◆ ~CGDebugInfo()

CGDebugInfo::~CGDebugInfo ( )

Definition at line 120 of file CGDebugInfo.cpp.

Member Function Documentation

◆ addHeapAllocSiteMetadata()

void CGDebugInfo::addHeapAllocSiteMetadata	(	llvm::CallBase *	CallSite,
		QualType	AllocatedTy,
		SourceLocation	Loc )

Add heapallocsite metadata for MSAllocator calls.

Definition at line 2867 of file CGDebugInfo.cpp.

References clang::Type::isVoidType().

◆ addInstToCurrentSourceAtom()

void CGDebugInfo::addInstToCurrentSourceAtom	(	llvm::Instruction *	KeyInstruction,
		llvm::Value *	Backup )

Add KeyInstruction and an optional Backup instruction to the current atom group, created using ApplyAtomGroup.

Definition at line 155 of file CGDebugInfo.cpp.

References addInstToSpecificSourceAtom().

◆ addInstToSpecificSourceAtom()

void CGDebugInfo::addInstToSpecificSourceAtom	(	llvm::Instruction *	KeyInstruction,
		llvm::Value *	Backup,
		uint64_t	Atom )

Add KeyInstruction and an optional Backup instruction to the atom group Atom.

Definition at line 161 of file CGDebugInfo.cpp.

Referenced by addInstToCurrentSourceAtom().

◆ AddStringLiteralDebugInfo()

void CGDebugInfo::AddStringLiteralDebugInfo	(	llvm::GlobalVariable *	GV,
		const StringLiteral *	S )

DebugInfo isn't attached to string literals by default.

While certain aspects of debuginfo aren't useful for string literals (like a name), it's nice to be able to symbolize the line and column information. This is especially useful for sanitizers, as it allows symbolization of heap-buffer-overflows on constant strings.

Definition at line 6183 of file CGDebugInfo.cpp.

References clang::File, clang::StringLiteral::getStrTokenLoc(), clang::Expr::getType(), and clang::PresumedLoc::isValid().

Referenced by clang::CodeGen::CodeGenModule::GetAddrOfConstantStringFromLiteral().

◆ completeClass()

void CGDebugInfo::completeClass ( const RecordDecl * RD )

Definition at line 2957 of file CGDebugInfo.cpp.

References clang::cast(), and clang::CanQual< T >::getAsOpaquePtr().

Referenced by completeClassData().

◆ completeClassData()

void CGDebugInfo::completeClassData ( const RecordDecl * RD )

Definition at line 2943 of file CGDebugInfo.cpp.

References completeClass(), clang::RecordDecl::getDefinition(), isClassOrMethodDLLImport(), and isDefinedInClangModule().

Referenced by completeRequiredType(), and completeUnusedClass().

◆ completeFunction()

void CGDebugInfo::completeFunction ( )

Reset internal state.

Definition at line 193 of file CGDebugInfo.cpp.

◆ completeRequiredType()

void CGDebugInfo::completeRequiredType ( const RecordDecl * RD )

Definition at line 3069 of file CGDebugInfo.cpp.

References completeClassData(), clang::Decl::getLangOpts(), shouldOmitDefinition(), and clang::T.

Referenced by completeType().

◆ completeTemplateDefinition()

void CGDebugInfo::completeTemplateDefinition ( const ClassTemplateSpecializationDecl & SD )

Definition at line 3953 of file CGDebugInfo.cpp.

References completeUnusedClass().

◆ completeType() [1/2]

void CGDebugInfo::completeType ( const EnumDecl * ED )

Definition at line 2882 of file CGDebugInfo.cpp.

References clang::cast(), and clang::CanQual< T >::getAsOpaquePtr().

◆ completeType() [2/2]

void CGDebugInfo::completeType ( const RecordDecl * RD )

Definition at line 2895 of file CGDebugInfo.cpp.

References completeRequiredType().

◆ completeUnusedClass()

void CGDebugInfo::completeUnusedClass ( const CXXRecordDecl & D )

Definition at line 3958 of file CGDebugInfo.cpp.

References completeClassData(), and clang::CXXRecordDecl::isDynamicClass().

Referenced by completeTemplateDefinition().

◆ CreateMacro()

llvm::DIMacro * CGDebugInfo::CreateMacro	(	llvm::DIMacroFile *	Parent,
		unsigned	MType,
		SourceLocation	LineLoc,
		StringRef	Name,
		StringRef	Value )

Create debug info for a macro defined by a #define directive or a macro undefined by a #undef directive.

Definition at line 3824 of file CGDebugInfo.cpp.

References clang::SourceLocation::isInvalid(), and clang::Line.

◆ CreateSyntheticInlineAt()

llvm::DILocation * CGDebugInfo::CreateSyntheticInlineAt	(	llvm::DebugLoc	Location,
		StringRef	FuncName )

Create a debug location from Location that adds an artificial inline frame where the frame name is FuncName.

This is used to indiciate instructions that come from compiler instrumentation.

Definition at line 3839 of file CGDebugInfo.cpp.

Referenced by CreateTrapFailureMessageFor().

◆ CreateTempMacroFile()

llvm::DIMacroFile * CGDebugInfo::CreateTempMacroFile	(	llvm::DIMacroFile *	Parent,
		SourceLocation	LineLoc,
		SourceLocation	FileLoc )

Create debug info for a file referenced by an #include directive.

Definition at line 3831 of file CGDebugInfo.cpp.

References clang::SourceLocation::isInvalid(), and clang::Line.

◆ CreateTrapFailureMessageFor()

llvm::DILocation * CGDebugInfo::CreateTrapFailureMessageFor	(	llvm::DebugLoc	TrapLocation,
		StringRef	Category,
		StringRef	FailureMsg )

Create a debug location from TrapLocation that adds an artificial inline frame where the frame name is.

<Prefix>:<Category>:<FailureMsg>

<Prefix> is "__clang_trap_msg".

This is used to store failure reasons for traps.

Definition at line 3847 of file CGDebugInfo.cpp.

References ClangTrapPrefix, and CreateSyntheticInlineAt().

Referenced by clang::CodeGen::CodeGenFunction::EmitBuiltinExpr(), and clang::CodeGen::CodeGenFunction::EmitTrapCheck().

◆ EmitAndRetainType()

void CGDebugInfo::EmitAndRetainType ( QualType Ty )

Emit the type even if it might not be used.

Definition at line 6409 of file CGDebugInfo.cpp.

◆ EmitDeclareOfArgVariable()

llvm::DILocalVariable * CGDebugInfo::EmitDeclareOfArgVariable	(	const VarDecl *	Decl,
		llvm::Value *	AI,
		unsigned	ArgNo,
		CGBuilderTy &	Builder,
		bool	UsePointerValue = false )

Emit call to llvm.dbg.declare for an argument variable declaration.

Definition at line 5481 of file CGDebugInfo.cpp.

◆ EmitDeclareOfAutoVariable()

llvm::DILocalVariable * CGDebugInfo::EmitDeclareOfAutoVariable	(	const VarDecl *	Decl,
		llvm::Value *	AI,
		CGBuilderTy &	Builder,
		const bool	UsePointerValue = false )

Emit call to llvm.dbg.declare for an automatic variable declaration.

Returns a pointer to the DILocalVariable associated with the llvm.dbg.declare, or nullptr otherwise.

Definition at line 5354 of file CGDebugInfo.cpp.

References clang::ValueDecl::getType(), and clang::Type::isReferenceType().

Referenced by clang::CodeGen::CodeGenFunction::EmitAndRegisterVariableArrayDimensions().

◆ EmitDeclareOfBlockDeclRefVariable()

void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable	(	const VarDecl *	variable,
		llvm::Value *	storage,
		CGBuilderTy &	Builder,
		const CGBlockInfo &	blockInfo,
		llvm::Instruction *	InsertPoint = nullptr )

Emit call to llvm.dbg.declare for an imported variable declaration in a block.

Definition at line 5408 of file CGDebugInfo.cpp.

References clang::cast(), clang::Column, clang::CharUnits::fromQuantity(), clang::CodeGen::CGBlockInfo::getCapture(), getDeclAlignIfRequired(), clang::CodeGen::CGBlockInfo::Capture::getIndex(), clang::Decl::getLocation(), clang::NamedDecl::getName(), clang::CharUnits::getQuantity(), clang::ValueDecl::getType(), clang::Decl::hasAttr(), clang::SourceLocation::isValid(), clang::Line, clang::ObjCSelf, and clang::CodeGen::CGBlockInfo::StructureType.

◆ EmitDeclareOfBlockLiteralArgVariable()

void CGDebugInfo::EmitDeclareOfBlockLiteralArgVariable	(	const CGBlockInfo &	block,
		StringRef	Name,
		unsigned	ArgNo,
		llvm::AllocaInst *	LocalAddr,
		CGBuilderTy &	Builder )

Emit call to llvm.dbg.declare for the block-literal argument to a block invocation function.

Definition at line 5536 of file CGDebugInfo.cpp.

References clang::TypeInfo::Align, clang::AS_public, clang::ast_matchers::blockDecl, clang::CodeGen::CGBlockInfo::BlockSize, clang::C, clang::BlockDecl::Capture::Capture(), clang::cast(), clang::CodeGen::CGBlockInfo::CXXThisIndex, clang::CodeGen::CGBlockInfo::getBlockDecl(), clang::CodeGen::CGBlockInfo::getCapture(), getDeclAlignIfRequired(), clang::CodeGen::CGBlockInfo::Capture::getIndex(), clang::NamedDecl::getName(), clang::ValueDecl::getType(), clang::BlockDecl::Capture::getVariable(), clang::TypeInfo::isAlignRequired(), clang::BlockDecl::Capture::isByRef(), clang::CodeGen::CGBlockInfo::Capture::isConstant(), clang::Method, clang::CodeGen::CGBlockInfo::StructureType, clang::ast_matchers::type, and clang::TypeInfo::Width.

◆ EmitExplicitCastType()

void CGDebugInfo::EmitExplicitCastType ( QualType Ty )

Emit the type explicitly casted to.

Definition at line 6403 of file CGDebugInfo.cpp.

◆ EmitExternalVariable()

void CGDebugInfo::EmitExternalVariable	(	llvm::GlobalVariable *	GV,
		const VarDecl *	Decl )

Emit information about an external variable.

Definition at line 6082 of file CGDebugInfo.cpp.

References getDeclAlignIfRequired(), clang::Decl::getLocation(), clang::NamedDecl::getName(), clang::ValueDecl::getType(), and clang::Decl::hasAttr().

Referenced by clang::CodeGen::CodeGenModule::EmitExternalDeclaration().

◆ EmitFuncDeclForCallSite()

void CGDebugInfo::EmitFuncDeclForCallSite	(	llvm::CallBase *	CallOrInvoke,
		QualType	CalleeType,
		const FunctionDecl *	CalleeDecl )

Emit debug info for an extern function being called.

This is needed for call site debug info.

Definition at line 4865 of file CGDebugInfo.cpp.

References EmitFunctionDecl(), clang::Func, clang::Decl::getLocation(), clang::Decl::hasAttr(), clang::FunctionDecl::isInlined(), and clang::FunctionDecl::isStatic().

◆ EmitFunctionDecl()

void CGDebugInfo::EmitFunctionDecl	(	GlobalDecl	GD,
		SourceLocation	Loc,
		QualType	FnType,
		llvm::Function *	Fn = nullptr )

Emit debug info for a function declaration.

Fn is set only when a declaration for a debug call site gets created.

Definition at line 4792 of file CGDebugInfo.cpp.

References clang::CodeGen::Decl, clang::GlobalDecl::getDecl(), clang::isa(), clang::Decl::isImplicit(), clang::SourceLocation::isInvalid(), and true.

Referenced by clang::CodeGen::CodeGenModule::EmitExternalDeclaration(), and EmitFuncDeclForCallSite().

◆ EmitFunctionEnd()

void CGDebugInfo::EmitFunctionEnd	(	CGBuilderTy &	Builder,
		llvm::Function *	Fn )

Constructs the debug code for exiting a function.

Definition at line 4975 of file CGDebugInfo.cpp.

References EmitLocation().

Referenced by EmitInlineFunctionEnd().

◆ emitFunctionStart()

void CGDebugInfo::emitFunctionStart	(	GlobalDecl	GD,
		SourceLocation	Loc,
		SourceLocation	ScopeLoc,
		QualType	FnType,
		llvm::Function *	Fn,
		bool	CurFnIsThunk )

Emit a call to llvm.dbg.function.start to indicate start of a new function.

Parameters

Loc	The location of the function header.
ScopeLoc	The location of the function body.

Definition at line 4679 of file CGDebugInfo.cpp.

References clang::cast(), clang::CodeGen::Decl, clang::Decl::getCanonicalDecl(), clang::GlobalDecl::getDecl(), clang::GlobalDecl::getDynamicInitKind(), clang::Decl::hasAttr(), clang::isa(), clang::Decl::isImplicit(), clang::SourceLocation::isValid(), and clang::NoStub.

◆ EmitGlobalAlias()

void CGDebugInfo::EmitGlobalAlias	(	const llvm::GlobalValue *	GV,
		const GlobalDecl	Decl )

Emit information about global variable alias.

Definition at line 6142 of file CGDebugInfo.cpp.

References clang::cast(), clang::GlobalDecl::getCanonicalDecl(), clang::GlobalDecl::getDecl(), clang::Decl::getLocation(), and clang::Decl::hasAttr().

◆ EmitGlobalVariable() [1/2]

void CGDebugInfo::EmitGlobalVariable	(	const ValueDecl *	VD,
		const APValue &	Init )

Emit a constant global variable's debug info.

Definition at line 6009 of file CGDebugInfo.cpp.

References clang::cast(), clang::Decl::getCanonicalDecl(), getDeclAlignIfRequired(), clang::Decl::getDeclContext(), clang::Decl::getLocation(), clang::NamedDecl::getName(), clang::ValueDecl::getType(), clang::Decl::hasAttr(), clang::Init, clang::isa(), and clang::T.

◆ EmitGlobalVariable() [2/2]

void CGDebugInfo::EmitGlobalVariable	(	llvm::GlobalVariable *	GV,
		const VarDecl *	Decl )

Emit information about a global variable.

Definition at line 5943 of file CGDebugInfo.cpp.

References clang::cast(), clang::cuda_constant, clang::cuda_shared, clang::VarDecl::getCanonicalDecl(), getDeclAlignIfRequired(), clang::ValueDecl::getType(), clang::Decl::hasAttr(), clang::RecordDecl::isAnonymousStructOrUnion(), and clang::T.

Referenced by clang::CodeGen::CodeGenFunction::EmitStaticVarDecl().

◆ EmitImportDecl()

void CGDebugInfo::EmitImportDecl ( const ImportDecl & ID )

Emit an @import declaration.

Definition at line 6266 of file CGDebugInfo.cpp.

References clang::cast().

◆ EmitInlineFunctionEnd()

void CGDebugInfo::EmitInlineFunctionEnd ( CGBuilderTy & Builder )

End an inlined function scope.

Definition at line 4904 of file CGDebugInfo.cpp.

References EmitFunctionEnd(), getInlinedAt(), and setInlinedAt().

◆ EmitInlineFunctionStart()

void CGDebugInfo::EmitInlineFunctionStart	(	CGBuilderTy &	Builder,
		GlobalDecl	GD )

Start a new scope for an inlined function.

Definition at line 4889 of file CGDebugInfo.cpp.

References clang::cast(), EmitLocation(), clang::GlobalDecl::getDecl(), and setInlinedAt().

◆ EmitLabel()

void CGDebugInfo::EmitLabel	(	const LabelDecl *	D,
		CGBuilderTy &	Builder )

Emit call to llvm.dbg.label for an label.

Definition at line 5371 of file CGDebugInfo.cpp.

References clang::cast(), clang::Column, clang::Decl::getLocation(), clang::NamedDecl::getName(), clang::Decl::hasAttr(), and clang::Line.

◆ EmitLexicalBlockEnd()

void CGDebugInfo::EmitLexicalBlockEnd	(	CGBuilderTy &	Builder,
		SourceLocation	Loc )

Emit metadata to indicate the end of a new lexical block and pop the current block.

Definition at line 4962 of file CGDebugInfo.cpp.

References EmitLocation().

Referenced by clang::CodeGen::CodeGenFunction::EmitObjCAutoreleasePoolStmt(), and clang::CodeGen::CodeGenFunction::EmitObjCForCollectionStmt().

◆ EmitLexicalBlockStart()

void CGDebugInfo::EmitLexicalBlockStart	(	CGBuilderTy &	Builder,
		SourceLocation	Loc )

Emit metadata to indicate the beginning of a new lexical block and push the block onto the stack.

Definition at line 4945 of file CGDebugInfo.cpp.

References setLocation().

Referenced by clang::CodeGen::CodeGenFunction::EmitObjCAutoreleasePoolStmt(), and clang::CodeGen::CodeGenFunction::EmitObjCForCollectionStmt().

◆ EmitLocation()

void CGDebugInfo::EmitLocation	(	CGBuilderTy &	Builder,
		SourceLocation	Loc )

Emit metadata to indicate a change in line/column information in the source file.

If the location is invalid, the previous location will be reused.

Definition at line 4910 of file CGDebugInfo.cpp.

References setLocation().

Referenced by EmitFunctionEnd(), EmitInlineFunctionStart(), and EmitLexicalBlockEnd().

◆ EmitNamespaceAlias()

llvm::DIImportedEntity * CGDebugInfo::EmitNamespaceAlias ( const NamespaceAliasDecl & NA )

Emit C++ namespace alias.

Definition at line 6280 of file CGDebugInfo.cpp.

References clang::cast(), EmitNamespaceAlias(), clang::NamespaceAliasDecl::getAliasedNamespace(), clang::Decl::getDeclContext(), clang::Decl::getLocation(), and clang::NamedDecl::getName().

Referenced by EmitNamespaceAlias().

◆ EmitPseudoVariable()

void CGDebugInfo::EmitPseudoVariable	(	CGBuilderTy &	Builder,
		llvm::Instruction *	Value,
		QualType	Ty )

Emit a pseudo variable and debug info for an intermediate value if it does not correspond to a variable in the source code, so that a profiler can track more accurate usage of certain instructions of interest.

Definition at line 6101 of file CGDebugInfo.cpp.

References clang::CodeGen::Type.

◆ EmitUsingDecl()

void CGDebugInfo::EmitUsingDecl ( const UsingDecl & UD )

Emit C++ using declaration.

Definition at line 6230 of file CGDebugInfo.cpp.

References EmitUsingShadowDecl(), clang::Type::getContainedAutoType(), clang::BaseUsingDecl::shadow_size(), and clang::BaseUsingDecl::shadows().

◆ EmitUsingDirective()

void CGDebugInfo::EmitUsingDirective ( const UsingDirectiveDecl & UD )

Emit C++ using directive.

Definition at line 6205 of file CGDebugInfo.cpp.

References clang::cast(), clang::Decl::getDeclContext(), clang::Decl::getLocation(), clang::UsingDirectiveDecl::getNominatedNamespace(), clang::NamespaceDecl::isAnonymousNamespace(), and clang::SourceLocation::isValid().

◆ EmitUsingEnumDecl()

void CGDebugInfo::EmitUsingEnumDecl ( const UsingEnumDecl & UD )

Emit C++ using-enum declaration.

Definition at line 6255 of file CGDebugInfo.cpp.

References EmitUsingShadowDecl(), clang::BaseUsingDecl::shadow_size(), and clang::BaseUsingDecl::shadows().

◆ EmitUsingShadowDecl()

void CGDebugInfo::EmitUsingShadowDecl ( const UsingShadowDecl & USD )

Emit a shadow decl brought in by a using or using-enum.

Definition at line 6220 of file CGDebugInfo.cpp.

References clang::cast(), clang::Decl::getDeclContext(), clang::Decl::getLocation(), clang::NamedDecl::getUnderlyingDecl(), and clang::Target.

Referenced by EmitUsingDecl(), and EmitUsingEnumDecl().

◆ emitVTableSymbol()

void CGDebugInfo::emitVTableSymbol	(	llvm::GlobalVariable *	VTable,
		const CXXRecordDecl *	RD )

Emit symbol for debugger that holds the pointer to the vtable.

Definition at line 2678 of file CGDebugInfo.cpp.

References clang::AS_private, clang::cast(), and getAccessFlag().

◆ finalize()

void CGDebugInfo::finalize ( )

Definition at line 6326 of file CGDebugInfo.cpp.

References clang::cast(), clang::QualType::getAsOpaquePtr(), clang::ObjCInterfaceType::getDecl(), and clang::ObjCInterfaceDecl::getDefinition().

◆ getCoroutineParameterMappings()

ParamDecl2StmtTy & clang::CodeGen::CGDebugInfo::getCoroutineParameterMappings ( )

inline

Definition at line 642 of file CGDebugInfo.h.

Referenced by clang::CodeGen::CodeGenFunction::EmitCoroutineBody().

◆ getFunctionType()

QualType CGDebugInfo::getFunctionType	(	const FunctionDecl *	FD,
		QualType	RetTy,
		const SmallVectorImpl< const VarDecl * > &	Args )

Definition at line 4666 of file CGDebugInfo.cpp.

References clang::CC_C, clang::Type::getAs(), and clang::ValueDecl::getType().

◆ getInlinedAt()

llvm::MDNode * clang::CodeGen::CGDebugInfo::getInlinedAt ( ) const

inline

Returns: the current inline scope.

Definition at line 479 of file CGDebugInfo.h.

Referenced by EmitInlineFunctionEnd().

◆ getLocation()

SourceLocation clang::CodeGen::CGDebugInfo::getLocation ( ) const

inline

Return the current source location.

This does not necessarily correspond to the IRBuilder's current DebugLoc.

Definition at line 472 of file CGDebugInfo.h.

◆ getOrCreateInterfaceType()

llvm::DIType * CGDebugInfo::getOrCreateInterfaceType	(	QualType	Ty,
		SourceLocation	Loc )

Emit an Objective-C interface type standalone debug info.

Definition at line 2851 of file CGDebugInfo.cpp.

References getOrCreateStandaloneType().

◆ getOrCreateRecordType()

llvm::DIType * CGDebugInfo::getOrCreateRecordType	(	QualType	Ty,
		SourceLocation	L )

Emit record type's standalone debug info.

Definition at line 2844 of file CGDebugInfo.cpp.

References clang::T.

Referenced by clang::CodeGen::CodeGenFunction::EmitLValueForField().

◆ getOrCreateStandaloneType()

llvm::DIType * CGDebugInfo::getOrCreateStandaloneType	(	QualType	Ty,
		SourceLocation	Loc )

Emit standalone debug info for a type.

Definition at line 2856 of file CGDebugInfo.cpp.

References clang::QualType::getAsOpaquePtr(), clang::QualType::isNull(), and clang::T.

Referenced by emitArraySubscriptGEP(), clang::CodeGen::CodeGenFunction::EmitBPFBuiltinExpr(), clang::CodeGen::CodeGenFunction::EmitLValueForField(), emitPreserveStructAccess(), and getOrCreateInterfaceType().

◆ getParamDbgMappings()

Param2DILocTy & clang::CodeGen::CGDebugInfo::getParamDbgMappings ( )

inline

Definition at line 641 of file CGDebugInfo.h.

◆ registerVLASizeExpression()

void clang::CodeGen::CGDebugInfo::registerVLASizeExpression	(	QualType	Ty,
		llvm::Metadata *	SizeExpr )

inline

Register VLA size expression debug node with the qualified type.

Definition at line 446 of file CGDebugInfo.h.

Referenced by clang::CodeGen::CodeGenFunction::EmitAndRegisterVariableArrayDimensions().

◆ remapDIPath()

std::string CGDebugInfo::remapDIPath ( StringRef Path ) const

Remap a given path with the current debug prefix map.

Definition at line 618 of file CGDebugInfo.cpp.

◆ setDwoId()

void CGDebugInfo::setDwoId ( uint64_t Signature )

Module debugging: Support for building PCMs.

Set the main CU's DwoId field to Signature.

Definition at line 6321 of file CGDebugInfo.cpp.

◆ setInlinedAt()

void clang::CodeGen::CGDebugInfo::setInlinedAt ( llvm::MDNode * InlinedAt )

inline

Update the current inline scope.

All subsequent calls to EmitLocation will create a location with this inlinedAt field.

Definition at line 476 of file CGDebugInfo.h.

Referenced by EmitInlineFunctionEnd(), and EmitInlineFunctionStart().

◆ setLocation()

void CGDebugInfo::setLocation ( SourceLocation Loc )

Update the current source location.

If

loc is invalid it is ignored.

Definition at line 316 of file CGDebugInfo.cpp.

References clang::cast(), clang::isa(), clang::PresumedLoc::isInvalid(), clang::SourceLocation::isInvalid(), and SM.

Referenced by EmitLexicalBlockStart(), EmitLocation(), and clang::CodeGen::CodeGenFunction::EmitStaticVarDecl().

◆ setModuleMap()

void clang::CodeGen::CGDebugInfo::setModuleMap ( ModuleMap & MMap )

inline

When generating debug information for a clang module or precompiled header, this module map will be used to determine the module of origin of each Decl.

Definition at line 458 of file CGDebugInfo.h.

◆ setPCHDescriptor()

void clang::CodeGen::CGDebugInfo::setPCHDescriptor ( ASTSourceDescriptor PCH )

inline

When generating debug information for a clang module or precompiled header, this module map will be used to determine the module of origin of each Decl.

Definition at line 463 of file CGDebugInfo.h.

References clang::PCH.

◆ SourceLocToDebugLoc()

llvm::DebugLoc CGDebugInfo::SourceLocToDebugLoc ( SourceLocation Loc )

Definition at line 6415 of file CGDebugInfo.cpp.

◆ ApplyAtomGroup

friend class ApplyAtomGroup

friend

Definition at line 62 of file CGDebugInfo.h.

References ApplyAtomGroup.

Referenced by ApplyAtomGroup.

◆ ApplyDebugLocation

friend class ApplyDebugLocation

friend

Definition at line 60 of file CGDebugInfo.h.

References ApplyDebugLocation.

Referenced by ApplyDebugLocation.

◆ SaveAndRestoreLocation

friend class SaveAndRestoreLocation

friend

Definition at line 61 of file CGDebugInfo.h.

References SaveAndRestoreLocation.

Referenced by SaveAndRestoreLocation.

Member Data Documentation

◆ CurrentAtom

uint64_t clang::CodeGen::CGDebugInfo::CurrentAtom = 0

Definition at line 190 of file CGDebugInfo.h.

◆ HighestEmittedAtom

uint64_t clang::CodeGen::CGDebugInfo::HighestEmittedAtom = 0

Definition at line 189 of file CGDebugInfo.h.

◆ NextAtom

uint64_t clang::CodeGen::CGDebugInfo::NextAtom = 1

Definition at line 188 of file CGDebugInfo.h.

The documentation for this class was generated from the following files:

lib/CodeGen/CGDebugInfo.h
lib/CodeGen/CGDebugInfo.cpp

Public Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

◆ CGDebugInfo()

◆ ~CGDebugInfo()

Member Function Documentation

◆ addHeapAllocSiteMetadata()

◆ addInstToCurrentSourceAtom()

◆ addInstToSpecificSourceAtom()

◆ AddStringLiteralDebugInfo()

◆ completeClass()

◆ completeClassData()

◆ completeFunction()

◆ completeRequiredType()

◆ completeTemplateDefinition()

◆ completeType() [1/2]

◆ completeType() [2/2]

◆ completeUnusedClass()

◆ CreateMacro()

◆ CreateSyntheticInlineAt()

◆ CreateTempMacroFile()

◆ CreateTrapFailureMessageFor()

◆ EmitAndRetainType()

◆ EmitDeclareOfArgVariable()

◆ EmitDeclareOfAutoVariable()

◆ EmitDeclareOfBlockDeclRefVariable()

◆ EmitDeclareOfBlockLiteralArgVariable()

◆ EmitExplicitCastType()

◆ EmitExternalVariable()

◆ EmitFuncDeclForCallSite()

◆ EmitFunctionDecl()

◆ EmitFunctionEnd()

◆ emitFunctionStart()

◆ EmitGlobalAlias()

◆ EmitGlobalVariable() [1/2]

◆ EmitGlobalVariable() [2/2]

◆ EmitImportDecl()

◆ EmitInlineFunctionEnd()

◆ EmitInlineFunctionStart()

◆ EmitLabel()

◆ EmitLexicalBlockEnd()

◆ EmitLexicalBlockStart()

◆ EmitLocation()

◆ EmitNamespaceAlias()

◆ EmitPseudoVariable()

◆ EmitUsingDecl()

◆ EmitUsingDirective()

◆ EmitUsingEnumDecl()

◆ EmitUsingShadowDecl()

◆ emitVTableSymbol()

◆ finalize()

◆ getCoroutineParameterMappings()

◆ getFunctionType()

◆ getInlinedAt()

◆ getLocation()

◆ getOrCreateInterfaceType()

◆ getOrCreateRecordType()

◆ getOrCreateStandaloneType()

◆ getParamDbgMappings()

◆ registerVLASizeExpression()

◆ remapDIPath()

◆ setDwoId()

◆ setInlinedAt()

◆ setLocation()

◆ setModuleMap()

◆ setPCHDescriptor()

◆ SourceLocToDebugLoc()

Friends And Related Symbol Documentation

◆ ApplyAtomGroup

◆ ApplyDebugLocation

◆ SaveAndRestoreLocation

Member Data Documentation

◆ CurrentAtom

◆ HighestEmittedAtom

◆ NextAtom