llvm::SystemZRegisterInfo Struct Reference

#include <SystemZRegisterInfo.h>

Inheritance diagram for llvm::SystemZRegisterInfo:

Collaboration diagram for llvm::SystemZRegisterInfo:

List of all members.

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

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Detailed Description

Definition at line 32 of file SystemZRegisterInfo.h.

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Constructor & Destructor Documentation

SystemZRegisterInfo::SystemZRegisterInfo

(

)

Definition at line 22 of file SystemZRegisterInfo.cpp.

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Member Function Documentation

void SystemZRegisterInfo::eliminateFrameIndex	(	MachineBasicBlock::iterator	MI,
		int	SPAdj,
		unsigned	FIOperandNum,
		RegScavenger *	RS
	)		const [override]

Definition at line 57 of file SystemZRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineOperand::ChangeToRegister(), llvm::MachineRegisterInfo::createVirtualRegister(), llvm::ISD::FrameIndex, llvm::TargetFrameLowering::getFrameIndexOffset(), llvm::TargetSubtargetInfo::getFrameLowering(), getFrameRegister(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::SystemZII::HasIndex, llvm::RegState::Kill, and TII.

const MCPhysReg * SystemZRegisterInfo::getCalleeSavedRegs

(

const MachineFunction *

MF = nullptr

)

const [override]

Definition at line 26 of file SystemZRegisterInfo.cpp.

const uint32_t * SystemZRegisterInfo::getCallPreservedMask

(

CallingConv::ID

CC

)

const [override]

Definition at line 31 of file SystemZRegisterInfo.cpp.

unsigned SystemZRegisterInfo::getFrameRegister

(

const MachineFunction &

MF

)

const [override]

Definition at line 136 of file SystemZRegisterInfo.cpp.

References llvm::TargetSubtargetInfo::getFrameLowering(), llvm::MachineFunction::getSubtarget(), and llvm::TargetFrameLowering::hasFP().

Referenced by eliminateFrameIndex().

BitVector SystemZRegisterInfo::getReservedRegs

(

const MachineFunction &

MF

)

const [override]

Definition at line 36 of file SystemZRegisterInfo.cpp.

References llvm::TargetSubtargetInfo::getFrameLowering(), llvm::MachineFunction::getSubtarget(), llvm::TargetFrameLowering::hasFP(), and llvm::BitVector::set().

bool llvm::SystemZRegisterInfo::requiresFrameIndexScavenging

(

const MachineFunction &

MF

)

const [inline, override]

Definition at line 40 of file SystemZRegisterInfo.h.

bool llvm::SystemZRegisterInfo::requiresRegisterScavenging

(

const MachineFunction &

MF

)

const [inline, override]

Definition at line 37 of file SystemZRegisterInfo.h.

bool llvm::SystemZRegisterInfo::trackLivenessAfterRegAlloc

(

const MachineFunction &

MF

)

const [inline, override]

Definition at line 43 of file SystemZRegisterInfo.h.

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

• SystemZRegisterInfo.h
• SystemZRegisterInfo.cpp