DwarfCompileUnit.cpp File Reference

#include "DwarfCompileUnit.h"
#include "AddressPool.h"
#include "DwarfExpression.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DIE.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolWasm.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include <optional>
#include <string>
#include <utility>

Go to the source code of this file.

Functions
static bool	AddLinkageNamesToDeclCallOriginsForTuning (const DwarfDebug *DD)
static dwarf::Tag	GetCompileUnitType (UnitKind Kind, DwarfDebug *DW)
static SmallVector< const DIVariable *, 2 >	dependencies (DbgVariable *Var)
	Return all DIVariables that appear in count: expressions.
static SmallVector< DbgVariable *, 8 >	sortLocalVars (SmallVectorImpl< DbgVariable * > &Input)
	Sort local variables so that variables appearing inside of helper expressions come first.

Variables
cl::opt< cl::boolOrDefault >	AddLinkageNamesToDeclCallOrigins ("add-linkage-names-to-declaration-call-origins", cl::Hidden, cl::desc("Add DW_AT_linkage_name to function declaration DIEs " "referenced by DW_AT_call_origin attributes. Enabled by default " "for -gsce debugger tuning."))
	Query value using AddLinkageNamesToDeclCallOriginsForTuning.
static cl::opt< bool >	EmitFuncLineTableOffsetsOption ("emit-func-debug-line-table-offsets", cl::Hidden, cl::desc("Include line table offset in function's debug info and emit end " "sequence after each function's line data."), cl::init(false))

Function Documentation

AddLinkageNamesToDeclCallOriginsForTuning()

static bool AddLinkageNamesToDeclCallOriginsForTuning ( const DwarfDebug *  DD )

static

Definition at line 58 of file DwarfCompileUnit.cpp.

References AddLinkageNamesToDeclCallOrigins, and llvm::DwarfDebug::tuneForSCE().

Referenced by llvm::DwarfCompileUnit::constructCallSiteEntryDIE().

dependencies()

static SmallVector< const DIVariable *, 2 > dependencies ( DbgVariable *  Var )

static

Return all DIVariables that appear in count: expressions.

Definition at line 1009 of file DwarfCompileUnit.cpp.

References llvm::DbgVariable::getType().

Referenced by sortLocalVars().

GetCompileUnitType()

static dwarf::Tag GetCompileUnitType ( UnitKind  Kind, DwarfDebug *  DW  )

static

Definition at line 65 of file DwarfCompileUnit.cpp.

References llvm::DwarfDebug::getDwarfVersion().

sortLocalVars()

static SmallVector< DbgVariable *, 8 > sortLocalVars ( SmallVectorImpl< DbgVariable * > &  Input )

static

Sort local variables so that variables appearing inside of helper expressions come first.

Definition at line 1055 of file DwarfCompileUnit.cpp.

References assert(), llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::count(), dependencies(), llvm::SmallVectorBase< Size_T >::empty(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::insert(), llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::insert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::lookup(), llvm::SmallVectorTemplateBase< T, bool >::pop_back(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::reverse().

Referenced by llvm::DwarfCompileUnit::createAndAddScopeChildren().

Variable Documentation

AddLinkageNamesToDeclCallOrigins

cl::opt< cl::boolOrDefault > AddLinkageNamesToDeclCallOrigins("add-linkage-names-to-declaration-call-origins", cl::Hidden, cl::desc("Add DW_AT_linkage_name to function declaration DIEs " "referenced by DW_AT_call_origin attributes. Enabled by default " "for -gsce debugger tuning."))	(	"add-linkage-names-to-declaration-call-origins"	,
		cl::Hidden	,
		cl::desc("Add DW_AT_linkage_name to function declaration DIEs " "referenced by DW_AT_call_origin attributes. Enabled by default " "for -gsce debugger tuning.")
	)

Query value using AddLinkageNamesToDeclCallOriginsForTuning.

Referenced by AddLinkageNamesToDeclCallOriginsForTuning().

EmitFuncLineTableOffsetsOption

cl::opt< bool > EmitFuncLineTableOffsetsOption("emit-func-debug-line-table-offsets", cl::Hidden, cl::desc("Include line table offset in function's debug info and emit end " "sequence after each function's line data."), cl::init(false)) ( "emit-func-debug-line-table-offsets"  , cl::Hidden  , cl::desc("Include line table offset in function's debug info and emit end " "sequence after each function's line data.")  , cl::init(false)    )

static

Referenced by llvm::DwarfCompileUnit::emitFuncLineTableOffsets().