A expression in AVR machine code. More...

#include "Target/AVR/MCTargetDesc/AVRMCExpr.h"

Inheritance diagram for llvm::AVRMCExpr:

Public Types
enum	VariantKind { VK_AVR_None = 0 , VK_AVR_HI8 , VK_AVR_LO8 , VK_AVR_HH8 , VK_AVR_HHI8 , VK_AVR_PM , VK_AVR_PM_LO8 , VK_AVR_PM_HI8 , VK_AVR_PM_HH8 , VK_AVR_LO8_GS , VK_AVR_HI8_GS , VK_AVR_GS }
	Specifies the type of an expression. More...

Public Types inherited from llvm::MCExpr
enum	ExprKind : uint8_t { Binary , Constant , SymbolRef , Unary , Target }

Public Member Functions
VariantKind	getKind () const
	Gets the type of the expression.

const char *	getName () const
	Gets the name of the expression.

const MCExpr *	getSubExpr () const

AVR::Fixups	getFixupKind () const
	Gets the fixup which corresponds to the expression.

bool	evaluateAsConstant (int64_t &Result) const
	Evaluates the fixup as a constant value.

bool	isNegated () const

void	setNegated (bool negated=true)

void	printImpl (raw_ostream &OS, const MCAsmInfo *MAI) const override

bool	evaluateAsRelocatableImpl (MCValue &Res, const MCAssembler Asm, const MCFixup Fixup) const override

void	visitUsedExpr (MCStreamer &streamer) const override

MCFragment *	findAssociatedFragment () const override

void	fixELFSymbolsInTLSFixups (MCAssembler &Asm) const override

Public Member Functions inherited from llvm::MCTargetExpr
virtual void	printImpl (raw_ostream &OS, const MCAsmInfo *MAI) const =0

virtual bool	evaluateAsRelocatableImpl (MCValue &Res, const MCAssembler Asm, const MCFixup Fixup) const =0

virtual bool	isEqualTo (const MCExpr *x) const

virtual bool	isSymbolUsedInExpression (const MCSymbol *Sym) const

virtual bool	inlineAssignedExpr () const

virtual void	visitUsedExpr (MCStreamer &Streamer) const =0

virtual MCFragment *	findAssociatedFragment () const =0

virtual void	fixELFSymbolsInTLSFixups (MCAssembler &) const =0

Public Member Functions inherited from llvm::MCExpr
	MCExpr (const MCExpr &)=delete

MCExpr &	operator= (const MCExpr &)=delete

ExprKind	getKind () const

SMLoc	getLoc () const

void	print (raw_ostream &OS, const MCAsmInfo *MAI, bool InParens=false) const

void	dump () const

bool	isSymbolUsedInExpression (const MCSymbol *Sym) const
	Returns whether the given symbol is used anywhere in the expression or subexpressions.

bool	evaluateAsAbsolute (int64_t &Res, const MCAssembler &Asm, const SectionAddrMap &Addrs) const
	Try to evaluate the expression to an absolute value.

bool	evaluateAsAbsolute (int64_t &Res) const

bool	evaluateAsAbsolute (int64_t &Res, const MCAssembler &Asm) const

bool	evaluateAsAbsolute (int64_t &Res, const MCAssembler *Asm) const

bool	evaluateKnownAbsolute (int64_t &Res, const MCAssembler &Asm) const
	Aggressive variant of evaluateAsRelocatable when relocations are unavailable (e.g.

bool	evaluateAsRelocatable (MCValue &Res, const MCAssembler Asm, const MCFixup Fixup) const
	Try to evaluate the expression to a relocatable value, i.e.

bool	evaluateAsValue (MCValue &Res, const MCAssembler &Asm) const
	Try to evaluate the expression to the form (a - b + constant) where neither a nor b are variables.

MCFragment *	findAssociatedFragment () const
	Find the "associated section" for this expression, which is currently defined as the absolute section for constants, or otherwise the section associated with the first defined symbol in the expression.

Static Public Member Functions
static const AVRMCExpr *	create (VariantKind Kind, const MCExpr *Expr, bool isNegated, MCContext &Ctx)
	Creates an AVR machine code expression.

static bool	classof (const MCExpr *E)

static VariantKind	getKindByName (StringRef Name)

Static Public Member Functions inherited from llvm::MCTargetExpr
static bool	classof (const MCExpr *E)

Additional Inherited Members
Protected Member Functions inherited from llvm::MCTargetExpr
	MCTargetExpr ()

virtual	~MCTargetExpr ()=default

Protected Member Functions inherited from llvm::MCExpr
	MCExpr (ExprKind Kind, SMLoc Loc, unsigned SubclassData=0)

bool	evaluateAsRelocatableImpl (MCValue &Res, const MCAssembler Asm, const MCFixup Fixup, const SectionAddrMap *Addrs, bool InSet) const

unsigned	getSubclassData () const

Detailed Description

A expression in AVR machine code.

Definition at line 19 of file AVRMCExpr.h.

Member Enumeration Documentation

◆ VariantKind

enum llvm::AVRMCExpr::VariantKind

Specifies the type of an expression.

Enumerator
VK_AVR_None
VK_AVR_HI8	Corresponds to `hi8()`.
VK_AVR_LO8	Corresponds to `lo8()`.
VK_AVR_HH8	Corresponds to `hlo8() and hh8()`.
VK_AVR_HHI8	Corresponds to `hhi8()`.
VK_AVR_PM	Corresponds to `pm()`, reference to program memory.
VK_AVR_PM_LO8	Corresponds to `pm_lo8()`.
VK_AVR_PM_HI8	Corresponds to `pm_hi8()`.
VK_AVR_PM_HH8	Corresponds to `pm_hh8()`.
VK_AVR_LO8_GS	Corresponds to `lo8(gs())`.
VK_AVR_HI8_GS	Corresponds to `hi8(gs())`.
VK_AVR_GS	Corresponds to `gs()`.