llvm::RISCVRegisterInfo Struct Reference

#include "Target/RISCV/RISCVRegisterInfo.h"

Inheritance diagram for llvm::RISCVRegisterInfo:

Collaboration diagram for llvm::RISCVRegisterInfo:

Public Member Functions
	RISCVRegisterInfo (unsigned HwMode)
const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID) const override
const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF) const override
BitVector	getReservedRegs (const MachineFunction &MF) const override
bool	isConstantPhysReg (unsigned PhysReg) const override
const uint32_t *	getNoPreservedMask () const override
void	eliminateFrameIndex (MachineBasicBlock::iterator MI, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
unsigned	getFrameRegister (const MachineFunction &MF) const override
bool	requiresRegisterScavenging (const MachineFunction &MF) const override
bool	requiresFrameIndexScavenging (const MachineFunction &MF) const override
bool	trackLivenessAfterRegAlloc (const MachineFunction &) const override

Detailed Description

Definition at line 24 of file RISCVRegisterInfo.h.

Constructor & Destructor Documentation

RISCVRegisterInfo()

RISCVRegisterInfo::RISCVRegisterInfo

(

unsigned

HwMode

)

Definition at line 30 of file RISCVRegisterInfo.cpp.

Member Function Documentation

eliminateFrameIndex()

void RISCVRegisterInfo::eliminateFrameIndex ( MachineBasicBlock::iterator  MI, int  SPAdj, unsigned  FIOperandNum, RegScavenger *  RS = nullptr  ) const

override

Definition at line 68 of file RISCVRegisterInfo.cpp.

References llvm::ISD::ADD, llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), llvm::MachineRegisterInfo::createVirtualRegister(), llvm::ISD::FrameIndex, llvm::MachineInstr::getDebugLoc(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::isInt< 32 >(), llvm::RegState::Kill, MI, llvm::RISCVInstrInfo::movImm32(), MRI, llvm::report_fatal_error(), and TII.

getCalleeSavedRegs()

const MCPhysReg * RISCVRegisterInfo::getCalleeSavedRegs ( const MachineFunction *  MF ) const

override

Definition at line 35 of file RISCVRegisterInfo.cpp.

References llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::Function::hasFnAttribute(), llvm::RISCVSubtarget::hasStdExtD(), and llvm::RISCVSubtarget::hasStdExtF().

getCallPreservedMask()

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

override

Definition at line 118 of file RISCVRegisterInfo.cpp.

References llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::Function::hasFnAttribute(), llvm::RISCVSubtarget::hasStdExtD(), and llvm::RISCVSubtarget::hasStdExtF().

Referenced by unpackF64OnRV32DSoftABI().

getFrameRegister()

unsigned RISCVRegisterInfo::getFrameRegister ( const MachineFunction &  MF ) const

override

Definition at line 112 of file RISCVRegisterInfo.cpp.

References llvm::TargetFrameLowering::hasFP().

Referenced by llvm::RISCVTargetLowering::LowerOperation().

getNoPreservedMask()

const uint32_t * RISCVRegisterInfo::getNoPreservedMask ( ) const

override

Definition at line 64 of file RISCVRegisterInfo.cpp.

getReservedRegs()

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

override

Definition at line 46 of file RISCVRegisterInfo.cpp.

References assert().

isConstantPhysReg()

bool RISCVRegisterInfo::isConstantPhysReg ( unsigned  PhysReg ) const

override

Definition at line 60 of file RISCVRegisterInfo.cpp.

requiresFrameIndexScavenging()

bool llvm::RISCVRegisterInfo::requiresFrameIndexScavenging ( const MachineFunction &  MF ) const

inlineoverride

Definition at line 49 of file RISCVRegisterInfo.h.

requiresRegisterScavenging()

bool llvm::RISCVRegisterInfo::requiresRegisterScavenging ( const MachineFunction &  MF ) const

inlineoverride

Definition at line 45 of file RISCVRegisterInfo.h.

trackLivenessAfterRegAlloc()

bool llvm::RISCVRegisterInfo::trackLivenessAfterRegAlloc ( const MachineFunction &  ) const

inlineoverride

Definition at line 53 of file RISCVRegisterInfo.h.

---

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

• lib/Target/RISCV/RISCVRegisterInfo.h
• lib/Target/RISCV/RISCVRegisterInfo.cpp