llvm::XCoreRegisterInfo Struct Reference

#include <XCoreRegisterInfo.h>

Inheritance diagram for llvm::XCoreRegisterInfo:

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Collaboration diagram for llvm::XCoreRegisterInfo:

[legend]

List of all members.

Public Member Functions
	XCoreRegisterInfo (const TargetInstrInfo &tii)
const unsigned *	getCalleeSavedRegs (const MachineFunction *MF=0) const
	Code Generation virtual methods...
const TargetRegisterClass *const *	getCalleeSavedRegClasses (const MachineFunction *MF=0) const
BitVector	getReservedRegs (const MachineFunction &MF) const
bool	requiresRegisterScavenging (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
void	processFunctionBeforeCalleeSavedScan (MachineFunction &MF, RegScavenger *RS=NULL) const
void	processFunctionBeforeFrameFinalized (MachineFunction &MF) const
void	emitPrologue (MachineFunction &MF) const
void	emitEpilogue (MachineFunction &MF, MachineBasicBlock &MBB) const
unsigned	getRARegister () const
unsigned	getFrameRegister (MachineFunction &MF) const
void	getInitialFrameState (std::vector< MachineMove > &Moves) const
int	getDwarfRegNum (unsigned RegNum, bool isEH) const
	Get DWARF debugging register number.
Static Public Member Functions
static const unsigned *	getArgRegs (const MachineFunction *MF=0)
	Return the array of argument passing registers.
static unsigned	getNumArgRegs (const MachineFunction *MF=0)
	Return the size of the argument passing register array.
static bool	needsFrameMoves (const MachineFunction &MF)
	Return whether to emit frame moves.

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Detailed Description

Definition at line 24 of file XCoreRegisterInfo.h.

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Constructor & Destructor Documentation

XCoreRegisterInfo::XCoreRegisterInfo

(

const TargetInstrInfo &

tii

)

Definition at line 36 of file XCoreRegisterInfo.cpp.

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Member Function Documentation

const unsigned * XCoreRegisterInfo::getCalleeSavedRegs

(

const MachineFunction *

MF = 0

)

const

Code Generation virtual methods...

Definition at line 77 of file XCoreRegisterInfo.cpp.

const TargetRegisterClass *const * XCoreRegisterInfo::getCalleeSavedRegClasses

(

const MachineFunction *

MF = 0

)

const

Definition at line 88 of file XCoreRegisterInfo.cpp.

BitVector XCoreRegisterInfo::getReservedRegs

(

const MachineFunction &

MF

)

const

Definition at line 99 of file XCoreRegisterInfo.cpp.

References CP, hasFP(), and llvm::BitVector::set().

bool XCoreRegisterInfo::requiresRegisterScavenging

(

const MachineFunction &

MF

)

const

Definition at line 112 of file XCoreRegisterInfo.cpp.

References hasFP().

Referenced by processFunctionBeforeCalleeSavedScan().

bool XCoreRegisterInfo::hasFP

(

const MachineFunction &

MF

)

const

Definition at line 117 of file XCoreRegisterInfo.cpp.

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

Referenced by eliminateFrameIndex(), emitEpilogue(), emitPrologue(), getFrameRegister(), getReservedRegs(), processFunctionBeforeCalleeSavedScan(), and requiresRegisterScavenging().

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

Definition at line 124 of file XCoreRegisterInfo.cpp.

References Align, llvm::BuildMI(), llvm::cerr(), llvm::MachineBasicBlock::erase(), llvm::TargetInstrInfo::get(), llvm::TargetMachine::getFrameInfo(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::TargetFrameInfo::getStackAlignment(), llvm::MachineFunction::getTarget(), llvm::MachineBasicBlock::insert(), isImmU16(), and isImmU6().

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

Definition at line 170 of file XCoreRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::cerr(), llvm::MachineOperand::ChangeToImmediate(), DOUT, llvm::MachineBasicBlock::erase(), FrameIndex, llvm::TargetInstrInfo::get(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::Value::getName(), llvm::MachineInstr::getNumOperands(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFrameInfo::getStackSize(), hasFP(), llvm::MachineOperand::isFI(), isImmU16(), isImmU6(), isImmUs(), llvm::MachineOperand::isKill(), MBB, MF, MI, Offset, llvm::MachineInstr::print(), Reg, and llvm::RegScavenger::scavengeRegister().

void XCoreRegisterInfo::processFunctionBeforeCalleeSavedScan	(	MachineFunction &	MF,
		RegScavenger *	RS = NULL
	)			const

Definition at line 312 of file XCoreRegisterInfo.cpp.

References llvm::MachineFrameInfo::CreateFixedObject(), llvm::MachineFrameInfo::CreateStackObject(), FrameIdx, llvm::TargetRegisterClass::getAlignment(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getInfo(), llvm::MachineFunction::getRegInfo(), llvm::TargetRegisterClass::getSize(), hasFP(), llvm::MachineRegisterInfo::isPhysRegUsed(), llvm::Function::isVarArg(), MFI, requiresRegisterScavenging(), llvm::XCoreFunctionInfo::setFPSpillSlot(), llvm::XCoreFunctionInfo::setLRSpillSlot(), llvm::MachineRegisterInfo::setPhysRegUnused(), llvm::RegScavenger::setScavengingFrameIndex(), and llvm::XCoreFunctionInfo::setUsesLR().

void XCoreRegisterInfo::processFunctionBeforeFrameFinalized

(

MachineFunction &

MF

)

const

Definition at line 346 of file XCoreRegisterInfo.cpp.

void XCoreRegisterInfo::emitPrologue

(

MachineFunction &

MF

)

const

Definition at line 394 of file XCoreRegisterInfo.cpp.

References llvm::MachineBasicBlock::addLiveIn(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::cerr(), llvm::ISD::DBG_LABEL, E, llvm::MachineFunction::front(), llvm::TargetInstrInfo::get(), llvm::XCoreFunctionInfo::getFPSpillSlot(), llvm::CalleeSavedInfo::getFrameIdx(), llvm::MachineFunction::getFrameInfo(), llvm::MachineModuleInfo::getFrameMoves(), llvm::MachineFunction::getInfo(), llvm::XCoreFunctionInfo::getLRSpillSlot(), llvm::MachineFrameInfo::getMachineModuleInfo(), llvm::MachineFrameInfo::getObjectOffset(), llvm::CalleeSavedInfo::getReg(), llvm::XCoreFunctionInfo::getSpillLabels(), llvm::MachineFrameInfo::getStackSize(), llvm::XCoreFunctionInfo::getUsesLR(), hasFP(), isImmU16(), isImmU6(), MBBI, MFI, MMI, needsFrameMoves(), llvm::MachineModuleInfo::NextLabelID(), Reg, and llvm::MachineLocation::VirtualFP.

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

Definition at line 512 of file XCoreRegisterInfo.cpp.

References llvm::BuildMI(), llvm::cerr(), llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::erase(), llvm::TargetInstrInfo::get(), llvm::XCoreFunctionInfo::getFPSpillSlot(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::XCoreFunctionInfo::getLRSpillSlot(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineFrameInfo::getStackSize(), llvm::XCoreFunctionInfo::getUsesLR(), hasFP(), isImmU16(), isImmU6(), MBBI, MFI, and llvm::prior().

unsigned XCoreRegisterInfo::getRARegister

(

)

const

Definition at line 581 of file XCoreRegisterInfo.cpp.

unsigned XCoreRegisterInfo::getFrameRegister

(

MachineFunction &

MF

)

const

Definition at line 575 of file XCoreRegisterInfo.cpp.

References hasFP().

void XCoreRegisterInfo::getInitialFrameState

(

std::vector< MachineMove > &

Moves

)

const

Definition at line 585 of file XCoreRegisterInfo.cpp.

References Src, and llvm::MachineLocation::VirtualFP.

const unsigned * XCoreRegisterInfo::getArgRegs

(

const MachineFunction *

MF = 0

)

[static]

Return the array of argument passing registers.

Note:

The size of this array is returned by getArgRegsSize().

Definition at line 58 of file XCoreRegisterInfo.cpp.

unsigned XCoreRegisterInfo::getNumArgRegs

(

const MachineFunction *

MF = 0

)

[static]

Return the size of the argument passing register array.

Definition at line 63 of file XCoreRegisterInfo.cpp.

References llvm::array_lengthof().

bool XCoreRegisterInfo::needsFrameMoves

(

const MachineFunction &

MF

)

[static]

Return whether to emit frame moves.

Definition at line 68 of file XCoreRegisterInfo.cpp.

References llvm::Function::doesNotThrow(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::MachineFrameInfo::getMachineModuleInfo(), llvm::MachineModuleInfo::hasDebugInfo(), MFI, MMI, and llvm::UnwindTablesMandatory.

Referenced by emitPrologue(), and llvm::XCoreInstrInfo::spillCalleeSavedRegisters().

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

Get DWARF debugging register number.

Definition at line 571 of file XCoreRegisterInfo.cpp.

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

• XCoreRegisterInfo.h
• XCoreRegisterInfo.cpp