#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.
unsigned	getRegPressureLimit (const TargetRegisterClass *RC, MachineFunction &MF) const
	Code Generation virtual methods...
const uint16_t *	getCalleeSavedRegs (const MachineFunction *MF=0) const
	Mips Callee Saved Registers.
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.
void	processFunctionBeforeFrameFinalized (MachineFunction &MF, RegScavenger *RS=NULL) const
unsigned	getFrameRegister (const MachineFunction &MF) const
	Debug information queries.
unsigned	getEHExceptionRegister () const
	Exception handling queries.
unsigned	getEHHandlerRegister () const
virtual const TargetRegisterClass *	intRegClass (unsigned Size) const =0
	Return GPR register class.
Static Public Member Functions
static unsigned	getRegisterNumbering (unsigned RegEnum)
static unsigned	getPICCallReg ()
	Get PIC indirect call register.
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 187 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 78 of file MipsRegisterInfo.cpp.

References llvm::MipsSubtarget::hasMips64(), llvm::MipsSubtarget::isABI_N32(), llvm::MipsSubtarget::isABI_N64(), llvm::MipsSubtarget::isSingleFloat(), and Subtarget.

const uint32_t * MipsRegisterInfo::getCallPreservedMask ( CallingConv::ID ) const

Definition at line 91 of file MipsRegisterInfo.cpp.

References llvm::MipsSubtarget::hasMips64(), llvm::MipsSubtarget::isABI_N32(), llvm::MipsSubtarget::isABI_N64(), llvm::MipsSubtarget::isSingleFloat(), and Subtarget.

unsigned MipsRegisterInfo::getEHExceptionRegister ( ) const

Exception handling queries.

Definition at line 220 of file MipsRegisterInfo.cpp.

References llvm_unreachable.

unsigned MipsRegisterInfo::getEHHandlerRegister ( ) const

Definition at line 225 of file MipsRegisterInfo.cpp.

References llvm_unreachable.

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

Debug information queries.

Definition at line 207 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 103 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.

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

Code Generation virtual methods...

Definition at line 52 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 108 of file MipsRegisterInfo.cpp.

References llvm::array_lengthof(), llvm::sys::path::begin(), llvm::sys::path::end(), llvm::TargetMachine::getFrameLowering(), llvm::MachineFunction::getTarget(), llvm::TargetFrameLowering::hasFP(), llvm::MipsSubtarget::hasMips64(), I, llvm::MipsSubtarget::inMips16Mode(), llvm::BitVector::set(), Subtarget, 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 174 of file MipsRegisterInfo.cpp.

bool MipsRegisterInfo::trackLivenessAfterRegAlloc ( const MachineFunction & MF ) const [virtual]

Definition at line 179 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(), and getReservedRegs().

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

Public Member Functions

Static Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation