llvm::MipsRegisterInfo Class Reference

#include <MipsRegisterInfo.h>

Inheritance diagram for llvm::MipsRegisterInfo:

Collaboration diagram for llvm::MipsRegisterInfo:

Public Member Functions
	MipsRegisterInfo (const MipsSubtarget &Subtarget)
void	adjustMipsStackFrame (MachineFunction &MF) const
	Adjust the Mips stack frame. More...
const TargetRegisterClass *	getPointerRegClass (const MachineFunction &MF, unsigned Kind) const
	Code Generation virtual methods... More...
unsigned	getRegPressureLimit (const TargetRegisterClass *RC, MachineFunction &MF) const
const uint16_t *	getCalleeSavedRegs (const MachineFunction *MF=0) const
	Mips Callee Saved Registers. More...
const uint32_t *	getCallPreservedMask (CallingConv::ID) const
BitVector	getReservedRegs (const MachineFunction &MF) const
virtual bool	requiresRegisterScavenging (const MachineFunction &MF) const
virtual bool	trackLivenessAfterRegAlloc (const MachineFunction &MF) const
void	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=NULL) const
	Stack Frame Processing Methods. More...
void	processFunctionBeforeFrameFinalized (MachineFunction &MF, RegScavenger *RS=NULL) const
unsigned	getFrameRegister (const MachineFunction &MF) const
	Debug information queries. More...
virtual const TargetRegisterClass *	intRegClass (unsigned Size) const =0
	Return GPR register class. More...

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

Protected Attributes
const MipsSubtarget &	Subtarget

Detailed Description

Definition at line 27 of file MipsRegisterInfo.h.

Constructor & Destructor Documentation

MipsRegisterInfo::MipsRegisterInfo

(

const MipsSubtarget &

Subtarget

)

Definition at line 45 of file MipsRegisterInfo.cpp.

Member Function Documentation

void llvm::MipsRegisterInfo::adjustMipsStackFrame

(

MachineFunction &

MF

)

const

Adjust the Mips stack frame.

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

Stack Frame Processing Methods.

Definition at line 211 of file MipsRegisterInfo.cpp.

References DEBUG, llvm::errs(), llvm::ISD::FrameIndex, llvm::MachineFunction::getFrameInfo(), llvm::MachineOperand::getIndex(), llvm::MachineFunction::getName(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::MachineFrameInfo::getStackSize(), and llvm::A64CC::MI.

const uint16_t * MipsRegisterInfo::getCalleeSavedRegs

(

const MachineFunction *

MF = 0

)

const

Mips Callee Saved Registers.

Definition at line 83 of file MipsRegisterInfo.cpp.

References llvm::MipsSubtarget::isABI_N32(), llvm::MipsSubtarget::isABI_N64(), llvm::MipsSubtarget::isFP64bit(), llvm::MipsSubtarget::isSingleFloat(), and Subtarget.

const uint32_t * MipsRegisterInfo::getCallPreservedMask

(

CallingConv::ID

)

const

Definition at line 100 of file MipsRegisterInfo.cpp.

References llvm::MipsSubtarget::isABI_N32(), llvm::MipsSubtarget::isABI_N64(), llvm::MipsSubtarget::isFP64bit(), llvm::MipsSubtarget::isSingleFloat(), and Subtarget.

unsigned MipsRegisterInfo::getFrameRegister

(

const MachineFunction &

MF

)

const

Debug information queries.

Definition at line 231 of file MipsRegisterInfo.cpp.

References llvm::TargetMachine::getFrameLowering(), llvm::MachineFunction::getTarget(), llvm::TargetFrameLowering::hasFP(), llvm::MipsSubtarget::inMips16Mode(), llvm::MipsSubtarget::isABI_N64(), and Subtarget.

const uint32_t * MipsRegisterInfo::getMips16RetHelperMask ( )

static

Definition at line 116 of file MipsRegisterInfo.cpp.

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

unsigned MipsRegisterInfo::getPICCallReg ( )

static

Get PIC indirect call register.

Definition at line 48 of file MipsRegisterInfo.cpp.

const TargetRegisterClass * MipsRegisterInfo::getPointerRegClass	(	const MachineFunction &	MF,
		unsigned	Kind
	)		const

Code Generation virtual methods...

Definition at line 51 of file MipsRegisterInfo.cpp.

References llvm::MipsSubtarget::isABI_N64(), and Subtarget.

static unsigned llvm::MipsRegisterInfo::getRegisterNumbering ( unsigned  RegEnum )

static

getRegisterNumbering - Given the enum value for some register, e.g. Mips::RA, return the number that it corresponds to (e.g. 31).

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

Definition at line 57 of file MipsRegisterInfo.cpp.

References llvm::TargetMachine::getFrameLowering(), llvm::TargetRegisterClass::getID(), llvm::MachineFunction::getTarget(), and llvm::TargetFrameLowering::hasFP().

BitVector MipsRegisterInfo::getReservedRegs

(

const MachineFunction &

MF

)

const

Definition at line 121 of file MipsRegisterInfo.cpp.

References llvm::array_lengthof(), llvm::sys::path::begin(), llvm::sys::path::const_iterator::end, llvm::sys::path::end(), llvm::TargetMachine::getFrameLowering(), llvm::MachineFunction::getTarget(), llvm::TargetFrameLowering::hasFP(), I, llvm::MipsSubtarget::inMips16Mode(), llvm::MipsSubtarget::isFP64bit(), llvm::BitVector::set(), Subtarget, T1, and llvm::MipsSubtarget::useSmallSection().

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

pure virtual

Return GPR register class.

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

void llvm::MipsRegisterInfo::processFunctionBeforeFrameFinalized	(	MachineFunction &	MF,
		RegScavenger *	RS = NULL
	)		const

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

virtual

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

Definition at line 198 of file MipsRegisterInfo.cpp.

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

virtual

Definition at line 203 of file MipsRegisterInfo.cpp.

Member Data Documentation

const MipsSubtarget& llvm::MipsRegisterInfo::Subtarget

protected

Definition at line 29 of file MipsRegisterInfo.h.

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

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

• MipsRegisterInfo.h
• MipsRegisterInfo.cpp