llvm::MipsRegisterInfo Struct Reference

#include <MipsRegisterInfo.h>

Inheritance diagram for llvm::MipsRegisterInfo:

[legend]

Collaboration diagram for llvm::MipsRegisterInfo:

[legend]

List of all members.

Public Member Functions
	MipsRegisterInfo (const MipsSubtarget &Subtarget, const TargetInstrInfo &tii)
void	adjustMipsStackFrame (MachineFunction &MF) const
	Adjust the Mips stack frame.
const unsigned *	getCalleeSavedRegs (const MachineFunction *MF=0) const
	Code Generation virtual methods...
const TargetRegisterClass *const *	getCalleeSavedRegClasses (const MachineFunction *MF=0) const
	Mips Callee Saved Register Classes.
BitVector	getReservedRegs (const MachineFunction &MF) const
bool	hasFP (const MachineFunction &MF) const
void	eliminateCallFramePseudoInstr (MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const
void	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, RegScavenger *RS=NULL) const
	Stack Frame Processing Methods.
void	processFunctionBeforeFrameFinalized (MachineFunction &MF) const
void	emitPrologue (MachineFunction &MF) const
void	emitEpilogue (MachineFunction &MF, MachineBasicBlock &MBB) const
unsigned	getRARegister () const
	Debug information queries.
unsigned	getFrameRegister (MachineFunction &MF) const
unsigned	getEHExceptionRegister () const
	Exception handling queries.
unsigned	getEHHandlerRegister () const
int	getDwarfRegNum (unsigned RegNum, bool isEH) const
Static Public Member Functions
static unsigned	getRegisterNumbering (unsigned RegEnum)
static unsigned	getPICCallReg (void)
	Get PIC indirect call register.
Public Attributes
const MipsSubtarget &	Subtarget
const TargetInstrInfo &	TII

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Detailed Description

Definition at line 26 of file MipsRegisterInfo.h.

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Constructor & Destructor Documentation

MipsRegisterInfo::MipsRegisterInfo	(	const MipsSubtarget &	Subtarget,
		const TargetInstrInfo &	tii
	)

Definition at line 39 of file MipsRegisterInfo.cpp.

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Member Function Documentation

unsigned 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).

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

Definition at line 47 of file MipsRegisterInfo.cpp.

References llvm::X86II::D8, llvm::X86II::D9, llvm::X86II::T8, V0, and V1.

unsigned MipsRegisterInfo::getPICCallReg

(

void

)

[static]

Get PIC indirect call register.

Definition at line 87 of file MipsRegisterInfo.cpp.

Referenced by emitPrologue().

void MipsRegisterInfo::adjustMipsStackFrame

(

MachineFunction &

MF

)

const

Adjust the Mips stack frame.

Definition at line 215 of file MipsRegisterInfo.cpp.

References llvm::MipsFunctionInfo::adjustLoadArgsFI(), llvm::MipsFunctionInfo::adjustStoreVarArgsFI(), llvm::MachineFrameInfo::CreateStackObject(), llvm::MachineFrameInfo::getCalleeSavedInfo(), llvm::TargetMachine::getFrameInfo(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::MachineFrameInfo::getObjectAlignment(), llvm::MachineFrameInfo::getObjectIndexEnd(), llvm::MachineFrameInfo::getObjectOffset(), llvm::TargetFrameInfo::getStackAlignment(), llvm::MachineFunction::getTarget(), llvm::MachineFrameInfo::hasCalls(), hasFP(), llvm::MachineFrameInfo::isDeadObjectIndex(), llvm::MipsSubtarget::isGP32bit(), MFI, Offset, llvm::MipsFunctionInfo::setCPUTopSavedRegOff(), llvm::MipsFunctionInfo::setFPStackOffset(), llvm::MipsFunctionInfo::setFPUTopSavedRegOff(), llvm::MachineFrameInfo::setObjectOffset(), llvm::MipsFunctionInfo::setRAStackOffset(), llvm::MachineFrameInfo::setStackSize(), and Subtarget.

Referenced by emitPrologue().

const unsigned * MipsRegisterInfo::getCalleeSavedRegs

(

const MachineFunction *

MF = 0

)

const

Code Generation virtual methods...

Mips Callee Saved Registers.

Definition at line 95 of file MipsRegisterInfo.cpp.

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

const TargetRegisterClass *const * MipsRegisterInfo::getCalleeSavedRegClasses

(

const MachineFunction *

MF = 0

)

const

Mips Callee Saved Register Classes.

Definition at line 120 of file MipsRegisterInfo.cpp.

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

BitVector MipsRegisterInfo::getReservedRegs

(

const MachineFunction &

MF

)

const

Definition at line 149 of file MipsRegisterInfo.cpp.

References llvm::BitVector::set().

bool MipsRegisterInfo::hasFP

(

const MachineFunction &

MF

)

const

Definition at line 326 of file MipsRegisterInfo.cpp.

References llvm::MachineFunction::getFrameInfo(), llvm::MachineFrameInfo::hasVarSizedObjects(), MFI, and llvm::NoFramePointerElim.

Referenced by adjustMipsStackFrame(), emitEpilogue(), emitPrologue(), and getFrameRegister().

void MipsRegisterInfo::eliminateCallFramePseudoInstr	(	MachineFunction &	MF,
		MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	I
	)			const

Definition at line 334 of file MipsRegisterInfo.cpp.

References llvm::MachineBasicBlock::erase().

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

Stack Frame Processing Methods.

Definition at line 344 of file MipsRegisterInfo.cpp.

References llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), DOUT, FrameIndex, llvm::MachineFunction::getFrameInfo(), getFrameRegister(), llvm::MachineFunction::getFunction(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::Value::getName(), llvm::MachineInstr::getNumOperands(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineFrameInfo::getStackSize(), llvm::MachineOperand::isFI(), MF, MI, Offset, and llvm::MachineInstr::print().

void MipsRegisterInfo::processFunctionBeforeFrameFinalized

(

MachineFunction &

MF

)

const

Definition at line 487 of file MipsRegisterInfo.cpp.

References llvm::MachineFunction::getFrameInfo(), llvm::MipsFunctionInfo::getGPFI(), llvm::MipsFunctionInfo::getGPStackOffset(), llvm::MachineFunction::getInfo(), llvm::TargetMachine::getRelocationModel(), llvm::MachineFunction::getTarget(), llvm::MachineFrameInfo::hasCalls(), MFI, llvm::Reloc::PIC_, and llvm::MachineFrameInfo::setObjectOffset().

void MipsRegisterInfo::emitPrologue

(

MachineFunction &

MF

)

const

Definition at line 388 of file MipsRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), adjustMipsStackFrame(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::MachineFunction::front(), llvm::TargetInstrInfo::get(), llvm::MipsFunctionInfo::getFPStackOffset(), llvm::MachineFunction::getFrameInfo(), llvm::MipsFunctionInfo::getGPStackOffset(), llvm::MachineFunction::getInfo(), getPICCallReg(), llvm::MipsFunctionInfo::getRAStackOffset(), llvm::TargetMachine::getRelocationModel(), llvm::MachineFrameInfo::getStackSize(), llvm::MachineFunction::getTarget(), llvm::MachineFrameInfo::hasCalls(), hasFP(), llvm::MipsSubtarget::isABI_O32(), MBB, MBBI, MFI, llvm::Reloc::PIC_, Subtarget, and TII.

void MipsRegisterInfo::emitEpilogue	(	MachineFunction &	MF,
		MachineBasicBlock &	MBB
	)			const

Definition at line 446 of file MipsRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineBasicBlock::end(), llvm::TargetInstrInfo::get(), llvm::MipsFunctionInfo::getFPStackOffset(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::MipsFunctionInfo::getRAStackOffset(), hasFP(), MBBI, MFI, llvm::prior(), and TII.

unsigned MipsRegisterInfo::getRARegister

(

)

const

Debug information queries.

Definition at line 498 of file MipsRegisterInfo.cpp.

unsigned MipsRegisterInfo::getFrameRegister

(

MachineFunction &

MF

)

const

Definition at line 503 of file MipsRegisterInfo.cpp.

References hasFP().

Referenced by eliminateFrameIndex().

unsigned MipsRegisterInfo::getEHExceptionRegister

(

)

const

Exception handling queries.

Definition at line 508 of file MipsRegisterInfo.cpp.

unsigned MipsRegisterInfo::getEHHandlerRegister

(

)

const

Definition at line 514 of file MipsRegisterInfo.cpp.

int MipsRegisterInfo::getDwarfRegNum	(	unsigned	RegNum,
		bool	isEH
	)			const

Definition at line 520 of file MipsRegisterInfo.cpp.

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Member Data Documentation

const MipsSubtarget& llvm::MipsRegisterInfo::Subtarget

Definition at line 27 of file MipsRegisterInfo.h.

Referenced by adjustMipsStackFrame(), emitPrologue(), getCalleeSavedRegClasses(), and getCalleeSavedRegs().

const TargetInstrInfo& llvm::MipsRegisterInfo::TII

Definition at line 28 of file MipsRegisterInfo.h.

Referenced by emitEpilogue(), and emitPrologue().

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

• MipsRegisterInfo.h
• MipsRegisterInfo.cpp