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 ,   Specifier , 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
LLVM_ABI void	dump () const
LLVM_ABI bool	evaluateAsAbsolute (int64_t &Res) const
	Try to evaluate the expression to an absolute value.
LLVM_ABI bool	evaluateAsAbsolute (int64_t &Res, const MCAssembler &Asm) const
LLVM_ABI bool	evaluateAsAbsolute (int64_t &Res, const MCAssembler *Asm) const
LLVM_ABI bool	evaluateKnownAbsolute (int64_t &Res, const MCAssembler &Asm) const
	Aggressive variant of evaluateAsRelocatable when relocations are unavailable (e.g.
LLVM_ABI bool	evaluateAsRelocatable (MCValue &Res, const MCAssembler *Asm) const
	Try to evaluate the expression to a relocatable value, i.e.
LLVM_ABI 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.
LLVM_ABI 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 LLVM_ABI 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, SMLoc Loc=SMLoc())
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)
Static Public Member Functions inherited from llvm::MCExpr
static LLVM_ABI bool	evaluateSymbolicAdd (const MCAssembler *, bool, const MCValue &, const MCValue &, MCValue &)

Additional Inherited Members
Protected Types inherited from llvm::MCExpr
using	Spec = uint16_t
Protected Member Functions inherited from llvm::MCExpr
	MCExpr (ExprKind Kind, SMLoc Loc, unsigned SubclassData=0)
LLVM_ABI bool	evaluateAsRelocatableImpl (MCValue &Res, const MCAssembler *Asm, bool InSet) const
unsigned	getSubclassData () const

Detailed Description

Binary assembler expressions.

Definition at line 299 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 301 of file MCExpr.h.

Member Function Documentation

classof()

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

inlinestatic

Definition at line 453 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 201 of file MCExpr.cpp.

References LHS, Opc, and RHS.

Referenced by llvm::MCAsmParser::applySpecifier(), 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, SMLoc  Loc = SMLoc()  )

inlinestatic

Definition at line 343 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(), llvm::MCObjectStreamer::emitRelocDirective(), 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::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(), llvm::AMDGPUMCInstLower::lowerOperand(), llvm::TargetLoweringObjectFileCOFF::lowerRelativeReference(), llvm::TargetLoweringObjectFileELF::lowerSymbolDifference(), 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::LoongArchAsmBackend::relaxAlign(), 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 348 of file MCExpr.h.

References 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 418 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 353 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 358 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 363 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 368 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 373 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 378 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 423 of file MCExpr.h.

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

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

createLT()

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

inlinestatic

Definition at line 383 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 388 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 393 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 398 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 403 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 408 of file MCExpr.h.

References create(), LHS, 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 413 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 428 of file MCExpr.h.

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

Referenced by llvm::CSKYConstantPool::addEntry(), addNegOperand(), computeAccumOffset(), createPCXRelExprOp(), llvm::SystemZTargetGOFFStreamer::createWordDiffExpr(), llvm::SystemZTargetHLASMStreamer::createWordDiffExpr(), 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::emitJumpTableEntry(), 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::lowerSymbolDifference(), 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 433 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 446 of file MCExpr.h.

References LHS.

Referenced by llvm::MCAsmParser::applySpecifier(), binaryOpKnownBitsMapHelper(), llvm::SystemZHLASMAsmStreamer::emitHLASMValueImpl(), llvm::MCExpr::evaluateAsRelocatableImpl(), EvaluateCRExpr(), llvm::MCExpr::findAssociatedFragment(), llvm::PPCMCCodeEmitter::getDispRI34PCRelEncoding(), hasGOTReference(), isEvaluated(), llvm::AMDGPUMCExpr::isSymbolUsedInExpression(), llvm::LoongArchAsmBackend::relaxDwarfCFA(), llvm::RISCVAsmBackend::relaxDwarfCFA(), startsWithGlobalOffsetTable(), tryFoldHelper(), and llvm::MCStreamer::visitUsedExpr().

getOpcode()

Opcode llvm::MCBinaryExpr::getOpcode ( ) const

inline

Get the kind of this binary expression.

Definition at line 443 of file MCExpr.h.

References llvm::MCExpr::getSubclassData().

Referenced by llvm::MCAsmParser::applySpecifier(), binaryOpKnownBitsMapHelper(), llvm::SystemZHLASMAsmStreamer::emitHLASMValueImpl(), llvm::MCExpr::evaluateAsRelocatableImpl(), EvaluateCRExpr(), llvm::MCExpr::findAssociatedFragment(), llvm::PPCMCCodeEmitter::getDispRI34PCRelEncoding(), and tryFoldHelper().

getRHS()

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

inline

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

Definition at line 449 of file MCExpr.h.

References RHS.

Referenced by llvm::MCAsmParser::applySpecifier(), binaryOpKnownBitsMapHelper(), llvm::SystemZHLASMAsmStreamer::emitHLASMValueImpl(), llvm::MCExpr::evaluateAsRelocatableImpl(), EvaluateCRExpr(), llvm::MCExpr::findAssociatedFragment(), llvm::PPCMCCodeEmitter::getDispRI34PCRelEncoding(), hasGOTReference(), isEvaluated(), llvm::AMDGPUMCExpr::isSymbolUsedInExpression(), llvm::LoongArchAsmBackend::relaxDwarfCFA(), llvm::RISCVAsmBackend::relaxDwarfCFA(), startsWithGlobalOffsetTable(), tryFoldHelper(), and llvm::MCStreamer::visitUsedExpr().

---

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

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