llvm::LoongArchInstrInfo Class Reference

#include "Target/LoongArch/LoongArchInstrInfo.h"

Inheritance diagram for llvm::LoongArchInstrInfo:

Public Member Functions
	LoongArchInstrInfo (LoongArchSubtarget &STI)
MCInst	getNop () const override
void	copyPhysReg (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, const DebugLoc &DL, MCRegister DstReg, MCRegister SrcReg, bool KillSrc, bool RenamableDest=false, bool RenamableSrc=false) const override
void	storeRegToStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, Register SrcReg, bool IsKill, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI, Register VReg) const override
void	loadRegFromStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, Register DstReg, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI, Register VReg) const override
void	movImm (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, const DebugLoc &DL, Register DstReg, uint64_t Val, MachineInstr::MIFlag Flag=MachineInstr::NoFlags) const
unsigned	getInstSizeInBytes (const MachineInstr &MI) const override
bool	isAsCheapAsAMove (const MachineInstr &MI) const override
MachineBasicBlock *	getBranchDestBlock (const MachineInstr &MI) const override
bool	analyzeBranch (MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, SmallVectorImpl< MachineOperand > &Cond, bool AllowModify) const override
bool	isBranchOffsetInRange (unsigned BranchOpc, int64_t BrOffset) const override
bool	isSchedulingBoundary (const MachineInstr &MI, const MachineBasicBlock *MBB, const MachineFunction &MF) const override
unsigned	removeBranch (MachineBasicBlock &MBB, int *BytesRemoved=nullptr) const override
unsigned	insertBranch (MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, ArrayRef< MachineOperand > Cond, const DebugLoc &dl, int *BytesAdded=nullptr) const override
void	insertIndirectBranch (MachineBasicBlock &MBB, MachineBasicBlock &NewDestBB, MachineBasicBlock &RestoreBB, const DebugLoc &DL, int64_t BrOffset, RegScavenger *RS) const override
bool	reverseBranchCondition (SmallVectorImpl< MachineOperand > &Cond) const override
std::pair< unsigned, unsigned >	decomposeMachineOperandsTargetFlags (unsigned TF) const override
ArrayRef< std::pair< unsigned, const char * > >	getSerializableDirectMachineOperandTargetFlags () const override

Protected Attributes
const LoongArchSubtarget &	STI

Detailed Description

Definition at line 26 of file LoongArchInstrInfo.h.

Constructor & Destructor Documentation

LoongArchInstrInfo()

LoongArchInstrInfo::LoongArchInstrInfo ( LoongArchSubtarget &  STI )

explicit

Definition at line 28 of file LoongArchInstrInfo.cpp.

Member Function Documentation

analyzeBranch()

bool LoongArchInstrInfo::analyzeBranch ( MachineBasicBlock &  MBB, MachineBasicBlock *&  TBB, MachineBasicBlock *&  FBB, SmallVectorImpl< MachineOperand > &  Cond, bool  AllowModify  ) const

override

Definition at line 296 of file LoongArchInstrInfo.cpp.

References Cond, llvm::MachineBasicBlock::end(), getBranchDestBlock(), llvm::MachineBasicBlock::getLastNonDebugInstr(), llvm::MachineInstrBundleIterator< Ty, IsReverse >::getReverse(), I, MBB, parseCondBranch(), llvm::MachineBasicBlock::rend(), and TBB.

copyPhysReg()

void LoongArchInstrInfo::copyPhysReg ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, const DebugLoc &  DL, MCRegister  DstReg, MCRegister  SrcReg, bool  KillSrc, bool  RenamableDest = false, bool  RenamableSrc = false  ) const

override

Definition at line 40 of file LoongArchInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), contains(), DL, llvm::get(), llvm::getKillRegState(), llvm_unreachable, MBB, and MBBI.

decomposeMachineOperandsTargetFlags()

std::pair< unsigned, unsigned > LoongArchInstrInfo::decomposeMachineOperandsTargetFlags ( unsigned  TF ) const

override

Definition at line 620 of file LoongArchInstrInfo.cpp.

getBranchDestBlock()

MachineBasicBlock * LoongArchInstrInfo::getBranchDestBlock ( const MachineInstr &  MI ) const

override

Definition at line 277 of file LoongArchInstrInfo.cpp.

References assert(), and MI.

Referenced by analyzeBranch().

getInstSizeInBytes()

unsigned LoongArchInstrInfo::getInstSizeInBytes ( const MachineInstr &  MI ) const

override

Definition at line 231 of file LoongArchInstrInfo.cpp.

References assert(), llvm::TargetMachine::getMCAsmInfo(), llvm::StatepointOpers::getNumPatchBytes(), llvm::MachineFunction::getTarget(), and MI.

Referenced by insertBranch(), and removeBranch().

getNop()

MCInst LoongArchInstrInfo::getNop ( ) const

override

Definition at line 33 of file LoongArchInstrInfo.cpp.

References llvm::MCInstBuilder::addImm(), and llvm::MCInstBuilder::addReg().

getSerializableDirectMachineOperandTargetFlags()

ArrayRef< std::pair< unsigned, const char * > > LoongArchInstrInfo::getSerializableDirectMachineOperandTargetFlags ( ) const

override

Definition at line 625 of file LoongArchInstrInfo.cpp.

insertBranch()

unsigned LoongArchInstrInfo::insertBranch ( MachineBasicBlock &  MBB, MachineBasicBlock *  TBB, MachineBasicBlock *  FBB, ArrayRef< MachineOperand >  Cond, const DebugLoc &  dl, int *  BytesAdded = nullptr  ) const

override

Definition at line 482 of file LoongArchInstrInfo.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addMBB(), assert(), llvm::BuildMI(), Cond, DL, llvm::get(), getInstSizeInBytes(), MBB, MI, and TBB.

insertIndirectBranch()

void LoongArchInstrInfo::insertIndirectBranch ( MachineBasicBlock &  MBB, MachineBasicBlock &  NewDestBB, MachineBasicBlock &  RestoreBB, const DebugLoc &  DL, int64_t  BrOffset, RegScavenger *  RS  ) const

override

Definition at line 520 of file LoongArchInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMBB(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::MachineBasicBlock::back(), llvm::BuildMI(), DL, llvm::MachineBasicBlock::empty(), llvm::MachineBasicBlock::end(), llvm::RegScavenger::enterBasicBlockEnd(), llvm::get(), llvm::LoongArchMachineFunctionInfo::getBranchRelaxationSpillFrameIndex(), llvm::MachineFunction::getInfo(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), II, llvm::LoongArchSubtarget::is64Bit(), llvm::RegState::Kill, loadRegFromStackSlot(), MBB, llvm::LoongArchII::MO_PCREL_HI, llvm::LoongArchII::MO_PCREL_LO, MRI, llvm::MachineBasicBlock::pred_size(), llvm::report_fatal_error(), llvm::RegScavenger::scavengeRegisterBackwards(), llvm::MachineOperand::setMBB(), llvm::RegScavenger::setRegUsed(), STI, storeRegToStackSlot(), and TRI.

isAsCheapAsAMove()

bool LoongArchInstrInfo::isAsCheapAsAMove ( const MachineInstr &  MI ) const

override

Definition at line 261 of file LoongArchInstrInfo.cpp.

References MI.

isBranchOffsetInRange()

bool LoongArchInstrInfo::isBranchOffsetInRange ( unsigned  BranchOpc, int64_t  BrOffset  ) const

override

Definition at line 356 of file LoongArchInstrInfo.cpp.

References llvm_unreachable.

isSchedulingBoundary()

bool LoongArchInstrInfo::isSchedulingBoundary ( const MachineInstr &  MI, const MachineBasicBlock *  MBB, const MachineFunction &  MF  ) const

override

Definition at line 379 of file LoongArchInstrInfo.cpp.

References llvm::MachineBasicBlock::end(), llvm::TargetInstrInfo::isSchedulingBoundary(), MBB, MI, llvm::LoongArchII::MO_GD_PC_HI, llvm::LoongArchII::MO_GOT_PC64_HI, llvm::LoongArchII::MO_GOT_PC64_LO, llvm::LoongArchII::MO_GOT_PC_HI, llvm::LoongArchII::MO_GOT_PC_LO, llvm::LoongArchII::MO_IE_PC64_HI, llvm::LoongArchII::MO_IE_PC64_LO, llvm::LoongArchII::MO_IE_PC_HI, llvm::LoongArchII::MO_IE_PC_LO, llvm::LoongArchII::MO_LD_PC_HI, llvm::LoongArchII::MO_PCREL64_HI, llvm::LoongArchII::MO_PCREL64_LO, llvm::LoongArchII::MO_PCREL_HI, and llvm::LoongArchII::MO_PCREL_LO.

loadRegFromStackSlot()

void LoongArchInstrInfo::loadRegFromStackSlot ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, Register  DstReg, int  FrameIndex, const TargetRegisterClass *  RC, const TargetRegisterInfo *  TRI, Register  VReg  ) const

override

Definition at line 149 of file LoongArchInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::BuildMI(), llvm::get(), llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineBasicBlock::getParent(), I, llvm_unreachable, MBB, llvm::MachineMemOperand::MOLoad, and TRI.

Referenced by insertIndirectBranch().

movImm()

void LoongArchInstrInfo::movImm	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	MBBI,
		const DebugLoc &	DL,
		Register	DstReg,
		uint64_t	Val,
		MachineInstr::MIFlag	Flag = MachineInstr::NoFlags
	)		const

Definition at line 186 of file LoongArchInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), DL, llvm::LoongArchMatInt::generateInstSeq(), llvm::get(), llvm::LoongArchSubtarget::is64Bit(), llvm::RegState::Kill, MBB, MBBI, llvm::report_fatal_error(), llvm::MachineInstrBuilder::setMIFlag(), and STI.

removeBranch()

unsigned LoongArchInstrInfo::removeBranch ( MachineBasicBlock &  MBB, int *  BytesRemoved = nullptr  ) const

override

Definition at line 449 of file LoongArchInstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::end(), getInstSizeInBytes(), llvm::MachineBasicBlock::getLastNonDebugInstr(), I, and MBB.

reverseBranchCondition()

bool LoongArchInstrInfo::reverseBranchCondition ( SmallVectorImpl< MachineOperand > &  Cond ) const

override

Definition at line 612 of file LoongArchInstrInfo.cpp.

References assert(), Cond, and getOppositeBranchOpc().

storeRegToStackSlot()

void LoongArchInstrInfo::storeRegToStackSlot ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, Register  SrcReg, bool  IsKill, int  FrameIndex, const TargetRegisterClass *  RC, const TargetRegisterInfo *  TRI, Register  VReg  ) const

override

Definition at line 113 of file LoongArchInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::get(), llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::getKillRegState(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineBasicBlock::getParent(), I, llvm_unreachable, MBB, llvm::MachineMemOperand::MOStore, and TRI.

Referenced by insertIndirectBranch().

Member Data Documentation

STI

const LoongArchSubtarget& llvm::LoongArchInstrInfo::STI

protected

Definition at line 95 of file LoongArchInstrInfo.h.

Referenced by insertIndirectBranch(), and movImm().

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

• lib/Target/LoongArch/LoongArchInstrInfo.h
• lib/Target/LoongArch/LoongArchInstrInfo.cpp