llvm::XtensaRegisterInfo Class Reference

#include "Target/Xtensa/XtensaRegisterInfo.h"

Inheritance diagram for llvm::XtensaRegisterInfo:

Public Member Functions
	XtensaRegisterInfo (const XtensaSubtarget &STI)
bool	requiresRegisterScavenging (const MachineFunction &MF) const override
bool	requiresFrameIndexScavenging (const MachineFunction &MF) const override
bool	trackLivenessAfterRegAlloc (const MachineFunction &) const override
const uint16_t *	getCalleeSavedRegs (const MachineFunction *MF=0) const override
const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID) 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

Public Attributes
const XtensaSubtarget &	Subtarget

Detailed Description

Definition at line 27 of file XtensaRegisterInfo.h.

Constructor & Destructor Documentation

XtensaRegisterInfo()

XtensaRegisterInfo::XtensaRegisterInfo

(

const XtensaSubtarget &

STI

)

Definition at line 32 of file XtensaRegisterInfo.cpp.

References Subtarget.

Member Function Documentation

eliminateFrameIndex()

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

override

Definition at line 65 of file XtensaRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), DL, llvm::MachineFrameInfo::getCalleeSavedInfo(), llvm::MachineFunction::getFrameInfo(), getFrameRegister(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineFrameInfo::getStackSize(), II, llvm::Xtensa::isValidAddrOffsetForOpcode(), llvm::RegState::Kill, MBB, MI, llvm::Offset, and TII.

getCalleeSavedRegs()

const uint16_t * XtensaRegisterInfo::getCalleeSavedRegs ( const MachineFunction * MF = 0 ) const

override

Definition at line 36 of file XtensaRegisterInfo.cpp.

References Subtarget.

getCallPreservedMask()

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

override

Definition at line 42 of file XtensaRegisterInfo.cpp.

References Subtarget.

getFrameRegister()

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

override

Definition at line 134 of file XtensaRegisterInfo.cpp.

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

Referenced by eliminateFrameIndex(), and getReservedRegs().

getReservedRegs()

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

override

Definition at line 47 of file XtensaRegisterInfo.cpp.

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

requiresFrameIndexScavenging()

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

inlineoverride

Definition at line 37 of file XtensaRegisterInfo.h.

requiresRegisterScavenging()

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

inlineoverride

Definition at line 33 of file XtensaRegisterInfo.h.

trackLivenessAfterRegAlloc()

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

inlineoverride

Definition at line 41 of file XtensaRegisterInfo.h.

Member Data Documentation

Subtarget

const XtensaSubtarget& llvm::XtensaRegisterInfo::Subtarget

Definition at line 29 of file XtensaRegisterInfo.h.

Referenced by getCalleeSavedRegs(), getCallPreservedMask(), getFrameRegister(), getReservedRegs(), and XtensaRegisterInfo().

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

• lib/Target/Xtensa/XtensaRegisterInfo.h
• lib/Target/Xtensa/XtensaRegisterInfo.cpp