DwarfExpression implementation for singular DW_AT_location. More...

#include "CodeGen/AsmPrinter/DwarfExpression.h"

Inheritance diagram for llvm::DIEDwarfExpression:

Collaboration diagram for llvm::DIEDwarfExpression:

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Public Member Functions
	DIEDwarfExpression (const AsmPrinter &AP, DwarfUnit &DU, DIELoc &DIE)

DIELoc *	finalize ()

Public Member Functions inherited from llvm::DwarfExpression
	DwarfExpression (unsigned DwarfVersion)

void	finalize ()
	This needs to be called last to commit any pending changes. More...

void	addSignedConstant (int64_t Value)
	Emit a signed constant. More...

void	addUnsignedConstant (uint64_t Value)
	Emit an unsigned constant. More...

void	addUnsignedConstant (const APInt &Value)
	Emit an unsigned constant. More...

bool	isMemoryLocation () const

bool	isUnknownLocation () const

void	setMemoryLocationKind ()
	Lock this down to become a memory location description. More...

bool	addMachineRegExpression (const TargetRegisterInfo &TRI, DIExpressionCursor &Expr, unsigned MachineReg, unsigned FragmentOffsetInBits=0)
	Emit a machine register location. More...

void	addExpression (DIExpressionCursor &&Expr, unsigned FragmentOffsetInBits=0)
	Emit all remaining operations in the DIExpressionCursor. More...

void	addFragmentOffset (const DIExpression *Expr)
	If applicable, emit an empty DW_OP_piece / DW_OP_bit_piece to advance to the fragment described by `Expr`. More...

Additional Inherited Members
Protected Types inherited from llvm::DwarfExpression
enum	{ Unknown = 0, Register, Memory, Implicit }
	The kind of location description being produced. More...

Protected Member Functions inherited from llvm::DwarfExpression
void	setSubRegisterPiece (unsigned SizeInBits, unsigned OffsetInBits)
	Push a DW_OP_piece / DW_OP_bit_piece for emitting later, if one is needed to represent a subregister. More...

void	maskSubRegister ()
	Add masking operations to stencil out a subregister. More...

void	emitConstu (uint64_t Value)
	Emit a normalized unsigned constant. More...

void	addReg (int DwarfReg, const char *Comment=nullptr)
	Emit a DW_OP_reg operation. More...

void	addBReg (int DwarfReg, int Offset)
	Emit a DW_OP_breg operation. More...

void	addFBReg (int Offset)
	Emit DW_OP_fbreg <Offset>. More...

bool	addMachineReg (const TargetRegisterInfo &TRI, unsigned MachineReg, unsigned MaxSize=~1U)
	Emit a partial DWARF register operation. More...

void	addOpPiece (unsigned SizeInBits, unsigned OffsetInBits=0)
	Emit a DW_OP_piece or DW_OP_bit_piece operation for a variable fragment. More...

void	addShr (unsigned ShiftBy)
	Emit a shift-right dwarf operation. More...

void	addAnd (unsigned Mask)
	Emit a bitwise and dwarf operation. More...

void	addStackValue ()
	Emit a DW_OP_stack_value, if supported. More...

	~DwarfExpression ()=default

Protected Attributes inherited from llvm::DwarfExpression
SmallVector< Register, 2 >	DwarfRegs
	The register location, if any. More...

uint64_t	OffsetInBits = 0
	Current Fragment Offset in Bits. More...

unsigned	DwarfVersion

unsigned	SubRegisterSizeInBits = 0
	Sometimes we need to add a DW_OP_bit_piece to describe a subregister. More...

unsigned	SubRegisterOffsetInBits = 0

enum llvm::DwarfExpression:: { ... }	LocationKind = Unknown
	The kind of location description being produced. More...