llvm::LanaiRegisterInfo Struct Reference

#include "Target/Lanai/LanaiRegisterInfo.h"

Inheritance diagram for llvm::LanaiRegisterInfo:

Public Member Functions
	LanaiRegisterInfo ()
const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID) const override
const uint16_t *	getCalleeSavedRegs (const MachineFunction *MF=nullptr) const override
BitVector	getReservedRegs (const MachineFunction &MF) const override
bool	requiresRegisterScavenging (const MachineFunction &MF) const override
bool	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
unsigned	getRARegister () const
Register	getFrameRegister (const MachineFunction &MF) const override
Register	getBaseRegister () const
bool	hasBasePointer (const MachineFunction &MF) const

Detailed Description

Definition at line 23 of file LanaiRegisterInfo.h.

Constructor & Destructor Documentation

LanaiRegisterInfo()

LanaiRegisterInfo::LanaiRegisterInfo

(

)

Definition at line 32 of file LanaiRegisterInfo.cpp.

Member Function Documentation

eliminateFrameIndex()

bool LanaiRegisterInfo::eliminateFrameIndex ( MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger * RS = nullptr ) const

override

Definition at line 128 of file LanaiRegisterInfo.cpp.

References llvm::LPAC::ADD, llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), DL, llvm::RegScavenger::FindUnusedReg(), getBaseRegister(), llvm::MachineFunction::getFrameInfo(), llvm::TargetSubtargetInfo::getFrameLowering(), getFrameRegister(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFrameInfo::getObjectOffset(), getOppositeALULoOpcode(), getRRMOpcodeVariant(), llvm::MachineFrameInfo::getStackSize(), llvm::MachineFunction::getSubtarget(), hasBasePointer(), llvm::TargetFrameLowering::hasFP(), llvm::LPCC::ICC_T, II, isALUArithLoOpcode(), llvm::isInt(), llvm::isRMOpcode(), llvm::isSPLSOpcode(), llvm_unreachable, MI, llvm::Offset, llvm::RegScavenger::scavengeRegisterBackwards(), llvm::LPAC::SUB, and TII.

getBaseRegister()

Register LanaiRegisterInfo::getBaseRegister

(

)

const

Definition at line 260 of file LanaiRegisterInfo.cpp.

Referenced by llvm::LanaiFrameLowering::determineCalleeSaves(), eliminateFrameIndex(), and getReservedRegs().

getCalleeSavedRegs()

const uint16_t * LanaiRegisterInfo::getCalleeSavedRegs ( const MachineFunction * MF = nullptr ) const

override

Definition at line 35 of file LanaiRegisterInfo.cpp.

getCallPreservedMask()

const uint32_t * LanaiRegisterInfo::getCallPreservedMask ( const MachineFunction & MF, CallingConv::ID  ) const

override

Definition at line 263 of file LanaiRegisterInfo.cpp.

getFrameRegister()

Register LanaiRegisterInfo::getFrameRegister ( const MachineFunction & MF ) const

override

Definition at line 256 of file LanaiRegisterInfo.cpp.

Referenced by eliminateFrameIndex().

getRARegister()

unsigned LanaiRegisterInfo::getRARegister

(

)

const

Definition at line 253 of file LanaiRegisterInfo.cpp.

getReservedRegs()

BitVector LanaiRegisterInfo::getReservedRegs ( const MachineFunction & MF ) const

override

Definition at line 39 of file LanaiRegisterInfo.cpp.

References getBaseRegister(), hasBasePointer(), and llvm::Reserved.

hasBasePointer()

bool LanaiRegisterInfo::hasBasePointer

(

const MachineFunction &

MF

)

const

Definition at line 243 of file LanaiRegisterInfo.cpp.

References llvm::MachineFunction::getFrameInfo(), and llvm::MachineFrameInfo::hasVarSizedObjects().

Referenced by llvm::LanaiFrameLowering::determineCalleeSaves(), eliminateFrameIndex(), and getReservedRegs().

requiresRegisterScavenging()

bool LanaiRegisterInfo::requiresRegisterScavenging ( const MachineFunction & MF ) const

override

Definition at line 61 of file LanaiRegisterInfo.cpp.

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

• lib/Target/Lanai/LanaiRegisterInfo.h
• lib/Target/Lanai/LanaiRegisterInfo.cpp