#include <CGDebugInfo.h>

Classes
struct	ObjCInterfaceCacheEntry
Public Member Functions
	CGDebugInfo (CodeGenModule &CGM)
	~CGDebugInfo ()
void	finalize ()
void	setLocation (SourceLocation Loc)
SourceLocation	getLocation () const
	getLocation - Return the current source location.
void	EmitLocation (CGBuilderTy &Builder, SourceLocation Loc, bool ForceColumnInfo=false)
void	EmitFunctionStart (GlobalDecl GD, SourceLocation Loc, SourceLocation ScopeLoc, QualType FnType, llvm::Function *Fn, CGBuilderTy &Builder)
	EmitFunctionStart - Constructs the debug code for entering a function.
void	EmitFunctionEnd (CGBuilderTy &Builder)
	EmitFunctionEnd - Constructs the debug code for exiting a function.
void	EmitLexicalBlockStart (CGBuilderTy &Builder, SourceLocation Loc)
void	EmitLexicalBlockEnd (CGBuilderTy &Builder, SourceLocation Loc)
void	EmitDeclareOfAutoVariable (const VarDecl Decl, llvm::Value AI, CGBuilderTy &Builder)
void	EmitDeclareOfBlockDeclRefVariable (const VarDecl variable, llvm::Value storage, CGBuilderTy &Builder, const CGBlockInfo &blockInfo)
void	EmitDeclareOfArgVariable (const VarDecl Decl, llvm::Value AI, unsigned ArgNo, CGBuilderTy &Builder)
void	EmitDeclareOfBlockLiteralArgVariable (const CGBlockInfo &block, llvm::Value Arg, unsigned ArgNo, llvm::Value LocalAddr, CGBuilderTy &Builder)
void	EmitGlobalVariable (llvm::GlobalVariable GV, const VarDecl Decl)
	EmitGlobalVariable - Emit information about a global variable.
void	EmitGlobalVariable (const ValueDecl VD, llvm::Constant Init)
	EmitGlobalVariable - Emit global variable's debug info.
void	EmitUsingDirective (const UsingDirectiveDecl &UD)
	Emit C++ using directive.
void	EmitExplicitCastType (QualType Ty)
	EmitExplicitCastType - Emit the type explicitly casted to.
void	EmitUsingDecl (const UsingDecl &UD)
	Emit C++ using declaration.
llvm::DIImportedEntity	EmitNamespaceAlias (const NamespaceAliasDecl &NA)
	Emit C++ namespace alias.
llvm::DIType	getOrCreateRecordType (QualType Ty, SourceLocation L)
	getOrCreateRecordType - Emit record type's standalone debug info.
llvm::DIType	getOrCreateInterfaceType (QualType Ty, SourceLocation Loc)
void	completeType (const EnumDecl *ED)
void	completeType (const RecordDecl *RD)
void	completeRequiredType (const RecordDecl *RD)
void	completeClassData (const RecordDecl *RD)
void	completeTemplateDefinition (const ClassTemplateSpecializationDecl &SD)
Friends
class	ArtificialLocation
class	SaveAndRestoreLocation

Detailed Description

CGDebugInfo - 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 49 of file CGDebugInfo.h.

Constructor & Destructor Documentation

CGDebugInfo::CGDebugInfo ( CodeGenModule & CGM )

Definition at line 44 of file CGDebugInfo.cpp.

CGDebugInfo::~CGDebugInfo ( )

Definition at line 50 of file CGDebugInfo.cpp.

Member Function Documentation

void CGDebugInfo::completeClassData ( const RecordDecl * RD )

Definition at line 1478 of file CGDebugInfo.cpp.

References clang::Type::castAs(), clang::CodeGenOptions::DebugLineTablesOnly, clang::QualType::getAsOpaquePtr(), clang::CodeGen::CodeGenModule::getContext(), and clang::ASTContext::getRecordType().

Referenced by completeRequiredType(), and completeTemplateDefinition().

void CGDebugInfo::completeRequiredType ( const RecordDecl * RD )

Definition at line 1464 of file CGDebugInfo.cpp.

References completeClassData(), clang::CodeGenOptions::DebugLineTablesOnly, clang::CodeGen::CodeGenModule::getContext(), clang::ASTContext::getRecordType(), and clang::CXXRecordDecl::isDynamicClass().

Referenced by completeType().

void CGDebugInfo::completeTemplateDefinition ( const ClassTemplateSpecializationDecl & SD )

Definition at line 2049 of file CGDebugInfo.cpp.

References completeClassData(), clang::CodeGenOptions::DebugLineTablesOnly, clang::QualType::getAsOpaquePtr(), clang::CodeGen::CodeGenModule::getContext(), and clang::ASTContext::getRecordType().

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

void CGDebugInfo::completeType ( const EnumDecl * ED )

Definition at line 1443 of file CGDebugInfo.cpp.

References clang::Type::castAs(), clang::CodeGenOptions::DebugLineTablesOnly, clang::QualType::getAsOpaquePtr(), clang::CodeGen::CodeGenModule::getContext(), and clang::ASTContext::getEnumType().

void CGDebugInfo::completeType ( const RecordDecl * RD )

Definition at line 1458 of file CGDebugInfo.cpp.

References completeRequiredType(), clang::CodeGen::CodeGenModule::getLangOpts(), and clang::CodeGenOptions::LimitedDebugInfo.

void CGDebugInfo::EmitDeclareOfArgVariable	(	const VarDecl *	VD,
		llvm::Value *	AI,
		unsigned	ArgNo,
		CGBuilderTy &	Builder
	)

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

Definition at line 3009 of file CGDebugInfo.cpp.

References clang::CodeGenOptions::LimitedDebugInfo.

void CGDebugInfo::EmitDeclareOfAutoVariable	(	const VarDecl *	Decl,
		llvm::Value *	AI,
		CGBuilderTy &	Builder
	)

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

Definition at line 2920 of file CGDebugInfo.cpp.

References clang::CodeGenOptions::LimitedDebugInfo.

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

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

Definition at line 2941 of file CGDebugInfo.cpp.

References clang::CharUnits::fromQuantity(), clang::CodeGen::CGBlockInfo::getCapture(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenModule::getDataLayout(), clang::CodeGen::CGBlockInfo::Capture::getIndex(), clang::Decl::getLocation(), clang::NamedDecl::getName(), clang::CharUnits::getQuantity(), clang::ValueDecl::getType(), clang::Decl::hasAttr(), clang::CodeGenOptions::LimitedDebugInfo, Line, clang::CodeGen::CGBlockInfo::StructureType, and clang::ASTContext::toCharUnitsFromBits().

void CGDebugInfo::EmitDeclareOfBlockLiteralArgVariable	(	const CGBlockInfo &	block,
		llvm::Value *	Arg,
		unsigned	ArgNo,
		llvm::Value *	LocalAddr,
		CGBuilderTy &	Builder
	)

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

Definition at line 3026 of file CGDebugInfo.cpp.

References clang::TypeInfo::Align, clang::AS_public, clang::CodeGen::CGBlockInfo::BlockAlign, clang::CodeGen::CGBlockInfo::BlockSize, clang::BlockDecl::Capture::Capture(), clang::BlockDecl::captures(), clang::BlockDecl::capturesCXXThis(), clang::CodeGen::CGBlockInfo::CXXThisIndex, clang::CodeGen::CGBlockInfo::getBlockDecl(), clang::ASTContext::getBlockDescriptorExtendedType(), clang::ASTContext::getBlockDescriptorType(), clang::CodeGen::CGBlockInfo::getBlockExpr(), clang::CodeGen::CGBlockInfo::getCapture(), clang::BlockDecl::getCaretLocation(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenModule::getDataLayout(), clang::Decl::getDeclContext(), clang::BlockExpr::getFunctionType(), clang::CodeGen::CGBlockInfo::Capture::getIndex(), clang::CodeGen::CodeGenModule::getLangOpts(), clang::NamedDecl::getName(), clang::Decl::getNonClosureContext(), clang::ASTContext::getPointerType(), clang::CXXMethodDecl::getThisType(), clang::ValueDecl::getType(), clang::ASTContext::getTypeInfo(), clang::CodeGen::CodeGenModule::getUniqueBlockCount(), clang::BlockDecl::Capture::getVariable(), clang::ASTContext::IntTy, clang::BlockDecl::Capture::isByRef(), clang::CodeGen::CGBlockInfo::Capture::isConstant(), clang::CodeGenOptions::LimitedDebugInfo, clang::CodeGen::CGBlockInfo::NeedsCopyDispose, clang::CodeGen::CodeGenTypeCache::PointerWidthInBits, clang::CodeGen::CGBlockInfo::StructureType, clang::ASTContext::toBits(), clang::ast_matchers::type, clang::ASTContext::VoidPtrTy, and clang::TypeInfo::Width.

void CGDebugInfo::EmitExplicitCastType ( QualType Ty )

EmitExplicitCastType - Emit the type explicitly casted to.

Definition at line 3414 of file CGDebugInfo.cpp.

References clang::CodeGen::CodeGenModule::getCodeGenOpts(), and clang::CodeGenOptions::LimitedDebugInfo.

void CGDebugInfo::EmitFunctionEnd ( CGBuilderTy & Builder )

EmitFunctionEnd - Constructs the debug code for exiting a function.

Definition at line 2716 of file CGDebugInfo.cpp.

References EmitLocation().

void CGDebugInfo::EmitFunctionStart	(	GlobalDecl	GD,
		SourceLocation	Loc,
		SourceLocation	ScopeLoc,
		QualType	FnType,
		llvm::Function *	Fn,
		CGBuilderTy &	Builder
	)

EmitFunctionStart - Constructs the debug code for entering a function.

EmitFunctionStart - 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 2563 of file CGDebugInfo.cpp.

References clang::Decl::getCanonicalDecl(), clang::FunctionDecl::getCanonicalDecl(), clang::GlobalDecl::getDecl(), clang::CodeGen::CodeGenModule::getLangOpts(), clang::Decl::isImplicit(), and clang::SourceLocation::isInvalid().

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

EmitGlobalVariable - Emit information about a global variable.

Definition at line 3226 of file CGDebugInfo.cpp.

References clang::VarDecl::getCanonicalDecl(), clang::RecordDecl::isAnonymousStructOrUnion(), clang::Type::isUnionType(), and clang::CodeGenOptions::LimitedDebugInfo.

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

void CGDebugInfo::EmitGlobalVariable	(	const ValueDecl *	VD,
		llvm::Constant *	Init
	)

EmitGlobalVariable - Emit global variable's debug info.

Definition at line 3259 of file CGDebugInfo.cpp.

References clang::Decl::getCanonicalDecl(), clang::Decl::getDeclContext(), clang::Decl::getLocation(), clang::NamedDecl::getName(), clang::ValueDecl::getType(), clang::TypeDecl::getTypeForDecl(), and clang::CodeGenOptions::LimitedDebugInfo.

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

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

EmitLexicalBlockEnd - Constructs the debug code for exiting a declarative region - end of a DW_TAG_lexical_block.

Definition at line 2702 of file CGDebugInfo.cpp.

References clang::CodeGenOptions::DebugLineTablesOnly, and EmitLocation().

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

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

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

EmitLexicalBlockStart - Constructs the debug code for entering a declarative region - beginning of a DW_TAG_lexical_block.

Definition at line 2684 of file CGDebugInfo.cpp.

References clang::CodeGenOptions::DebugLineTablesOnly, and setLocation().

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

void CGDebugInfo::EmitLocation	(	CGBuilderTy &	Builder,
		SourceLocation	Loc,
		bool	ForceColumnInfo = `false`
	)

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

Parameters:

ForceColumnInfo Assume DebugColumnInfo option is true.

EmitLocation - 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 2645 of file CGDebugInfo.cpp.

References clang::CodeGen::CodeGenModule::getContext(), clang::SourceManager::getExpansionLoc(), clang::CodeGen::CodeGenModule::getLLVMContext(), clang::ASTContext::getSourceManager(), clang::SourceLocation::isInvalid(), clang::SourceLocation::isMacroID(), and setLocation().

Referenced by clang::CodeGen::ArtificialLocation::Emit(), clang::CodeGen::CodeGenFunction::EmitCallArgs(), EmitFunctionEnd(), EmitLexicalBlockEnd(), clang::CodeGen::CodeGenFunction::PopCleanupBlock(), and clang::CodeGen::SaveAndRestoreLocation::~SaveAndRestoreLocation().

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