llvm::MCBinaryExpr Class Reference

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	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 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 MCFixup *Fixup, const SectionAddrMap *Addrs, bool InSet) const
unsigned	getSubclassData () const

Detailed Description

Binary assembler expressions.

Definition at line 493 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 495 of file MCExpr.h.

Member Function Documentation

classof()

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

inlinestatic

Definition at line 647 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 211 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(), makeStartPlusIntExpr(), and tryFoldHelper().

createAdd()

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

inlinestatic

Definition at line 537 of file MCExpr.h.

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

Referenced by createPCXRelExprOp(), llvm::MCResourceInfo::createTotalNumSGPRs(), llvm::AMDGPUTargetAsmStreamer::EmitAmdhsaKernelDescriptor(), 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::MCResourceInfo::gatherResourceInfo(), 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::AArch64_ELFTargetObjectFile::getIndirectSymViaGOTPCRel(), llvm::ARMElfTargetObjectFile::getIndirectSymViaGOTPCRel(), llvm::RISCVELFTargetObjectFile::getIndirectSymViaGOTPCRel(), llvm::X86_64MachoTargetObjectFile::getIndirectSymViaGOTPCRel(), llvm::X86_64ELFTargetObjectFile::getIndirectSymViaGOTPCRel(), GetSymbolRef(), llvm::X86_64MachoTargetObjectFile::getTTypeGlobalReference(), llvm::AsmPrinter::lowerConstant(), AMDGPUMCInstLower::lowerOperand(), LowerSymbolOperand(), llvm::XtensaAsmPrinter::LowerSymbolOperand(), llvm::LanaiMCInstLower::LowerSymbolOperand(), llvm::M68kMCInstLower::LowerSymbolOperand(), llvm::MSP430MCInstLower::LowerSymbolOperand(), lowerSymbolOperand(), llvm::AVRMCInstLower::lowerSymbolOperand(), llvm::AArch64MCInstLower::lowerSymbolOperandCOFF(), llvm::AArch64MCInstLower::lowerSymbolOperandELF(), llvm::AArch64MCInstLower::lowerSymbolOperandMachO(), llvm::AMDGPUAsmPrinter::runOnMachineFunction(), 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 542 of file MCExpr.h.

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

Referenced by llvm::AMDGPU::MCKernelDescriptor::bits_get(), llvm::AMDGPU::MCKernelDescriptor::bits_set(), llvm::SIInstrInfo::insertIndirectBranch(), MaskShift(), llvm::AMDGPU::maskShiftGet(), and llvm::AMDGPU::maskShiftSet().

createAShr()

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

inlinestatic

Definition at line 612 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 547 of file MCExpr.h.

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

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

createEQ()

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

inlinestatic

Definition at line 552 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 557 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 562 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 567 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 572 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 617 of file MCExpr.h.

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

Referenced by llvm::AMDGPU::MCKernelDescriptor::bits_get(), and llvm::AMDGPU::maskShiftGet().

createLT()

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

inlinestatic

Definition at line 577 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 582 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 587 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 592 of file MCExpr.h.

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

Referenced by llvm::AMDGPUTargetAsmStreamer::EmitAmdhsaKernelDescriptor(), and llvm::AMDGPUAsmPrinter::runOnMachineFunction().

createNE()

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

inlinestatic

Definition at line 597 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 602 of file MCExpr.h.

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

Referenced by ARMEmitUnwindInfo(), llvm::AMDGPU::MCKernelDescriptor::bits_set(), llvm::AMDGPUDisassembler::decodeVersionImm(), llvm::AMDGPU::AMDGPUMCKernelCodeT::EmitKernelCodeT(), llvm::SIProgramInfo::getComputePGMRSrc1(), llvm::SIProgramInfo::getComputePGMRSrc2(), llvm::SIProgramInfo::getPGMRSrc1(), and llvm::AMDGPUPALMetadata::setRegister().

createShl()

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

inlinestatic

Definition at line 607 of file MCExpr.h.

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

Referenced by llvm::AMDGPU::MCKernelDescriptor::bits_set(), MaskShift(), and llvm::AMDGPU::maskShiftSet().

createSub()

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

inlinestatic

Definition at line 622 of file MCExpr.h.

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

Referenced by llvm::CSKYConstantPool::addEntry(), addNegOperand(), computeAccumOffset(), createPCXRelExprOp(), EmitAbsDifference(), llvm::MCStreamer::emitAbsoluteSymbolDiff(), llvm::MCStreamer::emitAbsoluteSymbolDiffAsULEB128(), llvm::AMDGPUTargetELFStreamer::EmitAmdhsaKernelDescriptor(), llvm::MipsTargetELFStreamer::emitDirectiveEnd(), llvm::EHStreamer::emitExceptionTable(), llvm::AsmPrinter::emitFunctionBody(), llvm::AMDGPUAsmPrinter::emitFunctionBodyEnd(), 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 627 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 640 of file MCExpr.h.

References LHS.

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

getOpcode()

Opcode llvm::MCBinaryExpr::getOpcode ( ) const

inline

Get the kind of this binary expression.

Definition at line 637 of file MCExpr.h.

References llvm::MCExpr::getSubclassData().

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

getRHS()

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

inline

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

Definition at line 643 of file MCExpr.h.

References RHS.

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

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

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