Binary assembler expressions. More...

#include "llvm/MC/MCExpr.h"

Inheritance diagram for llvm::MCBinaryExpr:

Public Types
enum	Opcode { Add , And , Div , EQ , GT , GTE , LAnd , LOr , LT , LTE , Mod , Mul , NE , Or , OrNot , Shl , AShr , LShr , Sub , Xor }

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

Public Member Functions
Accessors
Opcode	getOpcode () const
	Get the kind of this binary expression.

const MCExpr *	getLHS () const
	Get the left-hand side expression of the binary operator.

const MCExpr *	getRHS () const
	Get the right-hand side expression of the binary operator.

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	evaluateAsAbsolute (int64_t &Res, const MCAsmLayout &Layout, 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	evaluateAsAbsolute (int64_t &Res, const MCAsmLayout &Layout) const

bool	evaluateKnownAbsolute (int64_t &Res, const MCAsmLayout &Layout) const

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

bool	evaluateAsValue (MCValue &Res, const MCAsmLayout &Layout) 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 bool	classof (const MCExpr *E)

Construction
static const MCBinaryExpr *	create (Opcode Op, const MCExpr LHS, const MCExpr RHS, MCContext &Ctx, SMLoc Loc=SMLoc())

static const MCBinaryExpr *	createAdd (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createAnd (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createDiv (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createEQ (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createGT (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createGTE (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createLAnd (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createLOr (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createLT (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createLTE (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createMod (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createMul (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createNE (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createOr (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createShl (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createAShr (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createLShr (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createSub (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

static const MCBinaryExpr *	createXor (const MCExpr LHS, const MCExpr RHS, MCContext &Ctx)

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

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

unsigned	getSubclassData () const

Detailed Description

Binary assembler expressions.

Definition at line 484 of file MCExpr.h.

Member Enumeration Documentation

◆ Opcode

enum llvm::MCBinaryExpr::Opcode

Enumerator
Add	Addition.
And	Bitwise and.
Div	Signed division.
EQ	Equality comparison.
GT	Signed greater than comparison (result is either 0 or some target-specific non-zero value)
GTE	Signed greater than or equal comparison (result is either 0 or some target-specific non-zero value).
LAnd	Logical and.
LOr	Logical or.
LT	Signed less than comparison (result is either 0 or some target-specific non-zero value).
LTE	Signed less than or equal comparison (result is either 0 or some target-specific non-zero value).
Mod	Signed remainder.
Mul	Multiplication.
NE	Inequality comparison.
Or	Bitwise or.
OrNot	Bitwise or not.
Shl	Shift left.
AShr	Arithmetic shift right.
LShr	Logical shift right.
Sub	Subtraction.
Xor	Bitwise exclusive or.

Definition at line 486 of file MCExpr.h.

Member Function Documentation

◆ classof()

static bool llvm::MCBinaryExpr::classof ( const MCExpr * E )

inlinestatic

Definition at line 638 of file MCExpr.h.

References llvm::MCExpr::Binary, and E.

◆ create()

const MCBinaryExpr * MCBinaryExpr::create	(	Opcode	Op,
		const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx,
		SMLoc	Loc = `SMLoc()`
	)

static

Definition at line 183 of file MCExpr.cpp.

References LHS, and RHS.

Referenced by buildSymbolDiff(), computeLabelDiff(), createAdd(), createAnd(), createAShr(), createDiv(), createEQ(), createGT(), createGTE(), createLAnd(), createLOr(), createLShr(), createLT(), createLTE(), createMod(), createMul(), createNE(), createOr(), createShl(), createSub(), createXor(), makeEndMinusStartExpr(), and makeStartPlusIntExpr().

◆ createAdd()

static const MCBinaryExpr * llvm::MCBinaryExpr::createAdd	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 528 of file MCExpr.h.

References Add, create(), LHS, and RHS.

Referenced by createPCXRelExprOp(), llvm::MCWinCOFFStreamer::emitCOFFImgRel32(), llvm::MCWinCOFFStreamer::emitCOFFSecRel32(), llvm::ARMAsmPrinter::emitInstruction(), llvm::SystemZAsmPrinter::emitInstruction(), llvm::X86AsmPrinter::emitInstruction(), llvm::ARMAsmPrinter::emitJumpTableAddrs(), llvm::ARMAsmPrinter::emitJumpTableTBInst(), llvm::AsmPrinter::emitLabelPlusOffset(), llvm::ARMAsmPrinter::emitMachineConstantPoolValue(), EmitSymbolRefWithOfs(), llvm::AsmPrinter::emitXRayTable(), llvm::CodeViewContext::encodeDefRange(), llvm::MipsMCCodeEmitter::getBranchTarget21OpValue(), llvm::MipsMCCodeEmitter::getBranchTarget21OpValueMM(), llvm::MipsMCCodeEmitter::getBranchTarget26OpValue(), llvm::MipsMCCodeEmitter::getBranchTarget26OpValueMM(), llvm::MipsMCCodeEmitter::getBranchTargetOpValue(), llvm::MipsMCCodeEmitter::getBranchTargetOpValue1SImm16(), llvm::MipsMCCodeEmitter::getBranchTargetOpValueLsl2MMR6(), llvm::MipsMCCodeEmitter::getBranchTargetOpValueMMR6(), llvm::MipsTargetObjectFile::getDebugThreadLocalSymbol(), llvm::SystemZMCInstLower::getExpr(), llvm::X86_64MCAsmInfoDarwin::getExprForPersonalitySymbol(), llvm::TargetLoweringObjectFileMachO::getIndirectSymViaGOTPCRel(), llvm::X86_64MachoTargetObjectFile::getIndirectSymViaGOTPCRel(), llvm::X86ELFTargetObjectFile::getIndirectSymViaGOTPCRel(), GetSymbolRef(), llvm::X86_64MachoTargetObjectFile::getTTypeGlobalReference(), llvm::AsmPrinter::lowerConstant(), AMDGPUMCInstLower::lowerOperand(), LowerSymbolOperand(), llvm::LanaiMCInstLower::LowerSymbolOperand(), llvm::M68kMCInstLower::LowerSymbolOperand(), llvm::MSP430MCInstLower::LowerSymbolOperand(), lowerSymbolOperand(), llvm::AVRMCInstLower::lowerSymbolOperand(), llvm::AArch64MCInstLower::lowerSymbolOperandCOFF(), llvm::AArch64MCInstLower::lowerSymbolOperandELF(), llvm::AArch64MCInstLower::lowerSymbolOperandMachO(), llvm::MCExternalSymbolizer::tryAddingSymbolicOperand(), and llvm::AArch64ExternalSymbolizer::tryAddingSymbolicOperand().

◆ createAnd()

static const MCBinaryExpr * llvm::MCBinaryExpr::createAnd	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 533 of file MCExpr.h.

References And, create(), LHS, and RHS.

Referenced by llvm::SIInstrInfo::insertIndirectBranch().

◆ createAShr()

static const MCBinaryExpr * llvm::MCBinaryExpr::createAShr	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 603 of file MCExpr.h.

References AShr, create(), LHS, and RHS.

Referenced by llvm::SIInstrInfo::insertIndirectBranch().

◆ createDiv()

static const MCBinaryExpr * llvm::MCBinaryExpr::createDiv	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 538 of file MCExpr.h.

References create(), Div, LHS, and RHS.

Referenced by llvm::ARMAsmPrinter::emitJumpTableTBInst(), and GetSubDivExpr().

◆ createEQ()

static const MCBinaryExpr * llvm::MCBinaryExpr::createEQ	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 543 of file MCExpr.h.

References create(), EQ, LHS, and RHS.

◆ createGT()

static const MCBinaryExpr * llvm::MCBinaryExpr::createGT	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 548 of file MCExpr.h.

References create(), GT, LHS, and RHS.

◆ createGTE()

static const MCBinaryExpr * llvm::MCBinaryExpr::createGTE	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 553 of file MCExpr.h.

References create(), GTE, LHS, and RHS.

◆ createLAnd()

static const MCBinaryExpr * llvm::MCBinaryExpr::createLAnd	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 558 of file MCExpr.h.

References create(), LAnd, LHS, and RHS.

◆ createLOr()

static const MCBinaryExpr * llvm::MCBinaryExpr::createLOr	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 563 of file MCExpr.h.

References create(), LHS, LOr, and RHS.

◆ createLShr()

static const MCBinaryExpr * llvm::MCBinaryExpr::createLShr	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 608 of file MCExpr.h.

References create(), LHS, LShr, and RHS.

◆ createLT()

static const MCBinaryExpr * llvm::MCBinaryExpr::createLT	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 568 of file MCExpr.h.

References create(), LHS, LT, and RHS.

◆ createLTE()

static const MCBinaryExpr * llvm::MCBinaryExpr::createLTE	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 573 of file MCExpr.h.

References create(), LHS, LTE, and RHS.

◆ createMod()

static const MCBinaryExpr * llvm::MCBinaryExpr::createMod	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 578 of file MCExpr.h.

References create(), LHS, Mod, and RHS.

◆ createMul()

static const MCBinaryExpr * llvm::MCBinaryExpr::createMul	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 583 of file MCExpr.h.

References create(), LHS, Mul, and RHS.

◆ createNE()

static const MCBinaryExpr * llvm::MCBinaryExpr::createNE	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 588 of file MCExpr.h.

References create(), LHS, NE, and RHS.

◆ createOr()

static const MCBinaryExpr * llvm::MCBinaryExpr::createOr	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 593 of file MCExpr.h.

References create(), LHS, Or, and RHS.

Referenced by ARMEmitUnwindInfo().

◆ createShl()

static const MCBinaryExpr * llvm::MCBinaryExpr::createShl	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 598 of file MCExpr.h.

References create(), LHS, RHS, and Shl.

◆ createSub()

static const MCBinaryExpr * llvm::MCBinaryExpr::createSub	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 613 of file MCExpr.h.

References create(), LHS, RHS, and Sub.

Referenced by llvm::CSKYConstantPool::addEntry(), addNegOperand(), createPCXRelExprOp(), EmitAbsDifference(), llvm::MCStreamer::emitAbsoluteSymbolDiff(), llvm::MCStreamer::emitAbsoluteSymbolDiffAsULEB128(), llvm::AMDGPUTargetELFStreamer::EmitAmdhsaKernelDescriptor(), llvm::MipsTargetELFStreamer::emitDirectiveEnd(), llvm::EHStreamer::emitExceptionTable(), llvm::AsmPrinter::emitFunctionBody(), llvm::AMDGPUTargetELFStreamer::EmitHSAMetadata(), llvm::ARMAsmPrinter::emitInstruction(), llvm::X86AsmPrinter::emitInstruction(), llvm::AMDGPUTargetELFStreamer::EmitISAVersion(), llvm::ARMAsmPrinter::emitJumpTableAddrs(), llvm::AsmPrinter::emitJumpTableInfo(), llvm::ARMAsmPrinter::emitJumpTableTBInst(), llvm::X86AsmPrinter::emitKCFITypeId(), llvm::ARMAsmPrinter::emitMachineConstantPoolValue(), llvm::CSKYAsmPrinter::emitMachineConstantPoolValue(), EmitSymbolRefWithOfs(), llvm::AsmPrinter::emitXRayTable(), llvm::WasmException::endFunction(), llvm::MCAsmInfo::getExprForFDESymbol(), llvm::AArch64MCAsmInfoDarwin::getExprForPersonalitySymbol(), llvm::TargetLoweringObjectFileMachO::getIndirectSymViaGOTPCRel(), llvm::AArch64_MachoTargetObjectFile::getIndirectSymViaGOTPCRel(), GetOptionalAbsDifference(), GetSubDivExpr(), GetSymbolRef(), llvm::AArch64_MachoTargetObjectFile::getTTypeGlobalReference(), llvm::TargetLoweringObjectFile::getTTypeReference(), llvm::HexagonAsmPrinter::HexagonProcessInstruction(), llvm::SIInstrInfo::insertIndirectBranch(), llvm::AsmPrinter::lowerConstant(), llvm::VETargetLowering::LowerCustomJumpTableEntry(), llvm::TargetLoweringObjectFileELF::lowerRelativeReference(), llvm::TargetLoweringObjectFileWasm::lowerRelativeReference(), llvm::FaultMaps::recordFaultingOp(), llvm::MCExternalSymbolizer::tryAddingSymbolicOperand(), and llvm::AArch64ExternalSymbolizer::tryAddingSymbolicOperand().

◆ createXor()

static const MCBinaryExpr * llvm::MCBinaryExpr::createXor	(	const MCExpr *	LHS,
		const MCExpr *	RHS,
		MCContext &	Ctx
	)

inlinestatic

Definition at line 618 of file MCExpr.h.

References create(), LHS, RHS, and Xor.

◆ getLHS()

const MCExpr * llvm::MCBinaryExpr::getLHS ( ) const

inline

Get the left-hand side expression of the binary operator.

Definition at line 631 of file MCExpr.h.

References LHS.

Referenced by llvm::MCExpr::evaluateAsRelocatableImpl(), EvaluateCRExpr(), llvm::MCExpr::findAssociatedFragment(), fixELFSymbolsInTLSFixupsImpl(), llvm::PPCMCCodeEmitter::getDispRI34PCRelEncoding(), hasGOTReference(), isEvaluated(), llvm::MCParserUtils::isSymbolUsedInExpression(), llvm::MCExpr::print(), llvm::RISCVAsmBackend::relaxDwarfCFA(), llvm::RISCVAsmBackend::relaxDwarfLineAddr(), startsWithGlobalOffsetTable(), and llvm::MCStreamer::visitUsedExpr().

◆ getOpcode()

Opcode llvm::MCBinaryExpr::getOpcode ( ) const

inline

Get the kind of this binary expression.

Definition at line 628 of file MCExpr.h.

References llvm::MCExpr::getSubclassData().

Referenced by llvm::MCExpr::evaluateAsRelocatableImpl(), EvaluateCRExpr(), llvm::MCExpr::findAssociatedFragment(), llvm::PPCMCCodeEmitter::getDispRI34PCRelEncoding(), and llvm::MCExpr::print().

◆ getRHS()

const MCExpr * llvm::MCBinaryExpr::getRHS ( ) const

inline

Get the right-hand side expression of the binary operator.

Definition at line 634 of file MCExpr.h.

References RHS.

Referenced by llvm::MCExpr::evaluateAsRelocatableImpl(), EvaluateCRExpr(), llvm::MCExpr::findAssociatedFragment(), fixELFSymbolsInTLSFixupsImpl(), llvm::PPCMCCodeEmitter::getDispRI34PCRelEncoding(), hasGOTReference(), isEvaluated(), llvm::MCParserUtils::isSymbolUsedInExpression(), llvm::MCExpr::print(), llvm::RISCVAsmBackend::relaxDwarfCFA(), llvm::RISCVAsmBackend::relaxDwarfLineAddr(), startsWithGlobalOffsetTable(), and llvm::MCStreamer::visitUsedExpr().

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

include/llvm/MC/MCExpr.h
lib/MC/MCExpr.cpp

Public Types

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ Opcode

Member Function Documentation

◆ classof()

◆ create()

◆ createAdd()

◆ createAnd()

◆ createAShr()

◆ createDiv()

◆ createEQ()

◆ createGT()

◆ createGTE()

◆ createLAnd()

◆ createLOr()

◆ createLShr()

◆ createLT()

◆ createLTE()

◆ createMod()

◆ createMul()

◆ createNE()

◆ createOr()

◆ createShl()

◆ createSub()

◆ createXor()

◆ getLHS()

◆ getOpcode()

◆ getRHS()