llvm::LoongArchRegisterInfo Struct Reference

#include "Target/LoongArch/LoongArchRegisterInfo.h"

Inheritance diagram for llvm::LoongArchRegisterInfo:

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

Detailed Description

Definition at line 24 of file LoongArchRegisterInfo.h.

Constructor & Destructor Documentation

LoongArchRegisterInfo()

LoongArchRegisterInfo::LoongArchRegisterInfo

(

unsigned

HwMode

)

Definition at line 33 of file LoongArchRegisterInfo.cpp.

Member Function Documentation

canRealignStack()

bool LoongArchRegisterInfo::canRealignStack ( const MachineFunction & MF ) const

override

Definition at line 245 of file LoongArchRegisterInfo.cpp.

References llvm::TargetRegisterInfo::canRealignStack(), llvm::MachineRegisterInfo::canReserveReg(), llvm::LoongArchABI::getBPReg(), llvm::MachineFunction::getRegInfo(), and llvm::LoongArchFrameLowering::hasReservedCallFrame().

eliminateFrameIndex()

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

override

Definition at line 121 of file LoongArchRegisterInfo.cpp.

References llvm::Add, llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), llvm::MachineRegisterInfo::createVirtualRegister(), DL, llvm::StackOffset::getFixed(), llvm::TargetFrameLowering::getFrameIndexReference(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::LoongArchSubtarget::getInstrInfo(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), II, llvm::LoongArchSubtarget::is64Bit(), llvm::isInt(), llvm::isShiftedInt(), llvm::Kill, MBB, MI, llvm::Offset, and TII.

getCalleeSavedRegs()

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

override

Definition at line 39 of file LoongArchRegisterInfo.cpp.

References llvm::LoongArchABI::ABI_ILP32D, llvm::LoongArchABI::ABI_ILP32F, llvm::LoongArchABI::ABI_ILP32S, llvm::LoongArchABI::ABI_LP64D, llvm::LoongArchABI::ABI_LP64F, llvm::LoongArchABI::ABI_LP64S, llvm::Function::getCallingConv(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::CallingConv::GHC, llvm_unreachable, llvm::CallingConv::PreserveMost, and llvm::CallingConv::PreserveNone.

getCallPreservedMask()

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

override

Definition at line 65 of file LoongArchRegisterInfo.cpp.

References llvm::LoongArchABI::ABI_ILP32D, llvm::LoongArchABI::ABI_ILP32F, llvm::LoongArchABI::ABI_ILP32S, llvm::LoongArchABI::ABI_LP64D, llvm::LoongArchABI::ABI_LP64F, llvm::LoongArchABI::ABI_LP64S, llvm::MachineFunction::getSubtarget(), llvm::CallingConv::GHC, llvm_unreachable, llvm::CallingConv::PreserveMost, and llvm::CallingConv::PreserveNone.

getFrameRegister()

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

override

Definition at line 116 of file LoongArchRegisterInfo.cpp.

References llvm::TargetFrameLowering::hasFP().

getNoPreservedMask()

const uint32_t * LoongArchRegisterInfo::getNoPreservedMask ( ) const

override

Definition at line 90 of file LoongArchRegisterInfo.cpp.

getReservedRegs()

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

override

Definition at line 95 of file LoongArchRegisterInfo.cpp.

References assert(), llvm::LoongArchABI::getBPReg(), llvm::LoongArchFrameLowering::hasBP(), llvm::TargetFrameLowering::hasFP(), and llvm::Reserved.

requiresFrameIndexScavenging()

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

inlineoverride

Definition at line 45 of file LoongArchRegisterInfo.h.

requiresRegisterScavenging()

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

inlineoverride

Definition at line 41 of file LoongArchRegisterInfo.h.

---

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

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