llvm::MipsRegisterInfo Class Reference

#include "Target/Mips/MipsRegisterInfo.h"

Inheritance diagram for llvm::MipsRegisterInfo:

Public Member Functions
	MipsRegisterInfo (const MipsSubtarget &STI)
const TargetRegisterClass *	getPointerRegClass (unsigned Kind) const override
	Code Generation virtual methods...
unsigned	getRegPressureLimit (const TargetRegisterClass *RC, MachineFunction &MF) const override
const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF) const override
	Mips Callee Saved Registers.
const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID) const override
BitVector	getReservedRegs (const MachineFunction &MF) const override
bool	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
	Stack Frame Processing Methods.
bool	canRealignStack (const MachineFunction &MF) const override
Register	getFrameRegister (const MachineFunction &MF) const override
	Debug information queries.
virtual const TargetRegisterClass *	intRegClass (unsigned Size) const =0
	Return GPR register class.

Static Public Member Functions
static unsigned	getPICCallReg ()
	Get PIC indirect call register.
static const uint32_t *	getMips16RetHelperMask ()

Detailed Description

Definition at line 27 of file MipsRegisterInfo.h.

Constructor & Destructor Documentation

MipsRegisterInfo()

MipsRegisterInfo::MipsRegisterInfo ( const MipsSubtarget & STI )

explicit

Definition at line 40 of file MipsRegisterInfo.cpp.

References llvm::MIPS_MC::initLLVMToCVRegMapping(), and RA.

Referenced by llvm::Mips16RegisterInfo::Mips16RegisterInfo(), and llvm::MipsSERegisterInfo::MipsSERegisterInfo().

Member Function Documentation

canRealignStack()

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

override

Definition at line 265 of file MipsRegisterInfo.cpp.

References llvm::TargetRegisterInfo::canRealignStack(), llvm::MachineRegisterInfo::canReserveReg(), FP, llvm::MipsSubtarget::getFrameLowering(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::TargetFrameLowering::hasReservedCallFrame(), llvm::MipsSubtarget::inMips16Mode(), and llvm::MipsSubtarget::isGP32bit().

eliminateFrameIndex()

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

override

Stack Frame Processing Methods.

Definition at line 226 of file MipsRegisterInfo.cpp.

References llvm::dwarf_linker::DebugStr, llvm::errs(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getName(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineFrameInfo::getStackSize(), II, LLVM_DEBUG, and MI.

getCalleeSavedRegs()

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

override

Mips Callee Saved Registers.

Definition at line 80 of file MipsRegisterInfo.cpp.

References F, llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::MipsSubtarget::hasMips32r6(), llvm::MipsSubtarget::hasMips64(), llvm::MipsSubtarget::hasMips64r6(), llvm::MipsSubtarget::isABI_N32(), llvm::MipsSubtarget::isABI_N64(), llvm::MipsSubtarget::isFP64bit(), llvm::MipsSubtarget::isFPXX(), and llvm::MipsSubtarget::isSingleFloat().

getCallPreservedMask()

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

override

Definition at line 111 of file MipsRegisterInfo.cpp.

References llvm::MachineFunction::getSubtarget(), llvm::MipsSubtarget::isABI_N32(), llvm::MipsSubtarget::isABI_N64(), llvm::MipsSubtarget::isFP64bit(), llvm::MipsSubtarget::isFPXX(), and llvm::MipsSubtarget::isSingleFloat().

getFrameRegister()

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

override

Debug information queries.

Definition at line 251 of file MipsRegisterInfo.cpp.

References llvm::MipsTargetMachine::getABI(), llvm::MipsSubtarget::getFrameLowering(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::MipsSubtarget::inMips16Mode(), and llvm::MipsABIInfo::IsN64().

getMips16RetHelperMask()

const uint32_t * MipsRegisterInfo::getMips16RetHelperMask ( )

static

Definition at line 132 of file MipsRegisterInfo.cpp.

Referenced by llvm::MipsTargetLowering::getOpndList().

getPICCallReg()

unsigned MipsRegisterInfo::getPICCallReg ( )

static

Get PIC indirect call register.

Definition at line 45 of file MipsRegisterInfo.cpp.

getPointerRegClass()

const TargetRegisterClass * MipsRegisterInfo::getPointerRegClass ( unsigned Kind ) const

override

Code Generation virtual methods...

Definition at line 48 of file MipsRegisterInfo.cpp.

References assert().

getRegPressureLimit()

unsigned MipsRegisterInfo::getRegPressureLimit ( const TargetRegisterClass * RC, MachineFunction & MF ) const

override

Definition at line 54 of file MipsRegisterInfo.cpp.

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

getReservedRegs()

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

override

Definition at line 136 of file MipsRegisterInfo.cpp.

References llvm::MachineFunction::getFrameInfo(), llvm::MipsSubtarget::getFrameLowering(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getInfo(), llvm::MachineFunction::getSubtarget(), llvm::Function::hasFnAttribute(), llvm::TargetFrameLowering::hasFP(), llvm::MipsFunctionInfo::hasSaveS2(), llvm::MachineFrameInfo::hasVarSizedObjects(), llvm::MipsSubtarget::inMips16Mode(), llvm::MipsSubtarget::isABICalls(), llvm::MipsSubtarget::isFP64bit(), llvm::Reserved, and llvm::MipsSubtarget::useSmallSection().

Referenced by llvm::Mips16FrameLowering::determineCalleeSaves().

intRegClass()

virtual const TargetRegisterClass * llvm::MipsRegisterInfo::intRegClass ( unsigned Size ) const

pure virtual

Return GPR register class.

Implemented in llvm::Mips16RegisterInfo, and llvm::MipsSERegisterInfo.

References II, and Size.

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

• lib/Target/Mips/MipsRegisterInfo.h
• lib/Target/Mips/MipsRegisterInfo.cpp