llvm::Thumb1RegisterInfo Struct Reference

#include <Thumb1RegisterInfo.h>

Inheritance diagram for llvm::Thumb1RegisterInfo:

Collaboration diagram for llvm::Thumb1RegisterInfo:

List of all members.

Public Member Functions
	Thumb1RegisterInfo (const ARMSubtarget &STI)
const TargetRegisterClass *	getLargestLegalSuperClass (const TargetRegisterClass *RC) const override
const TargetRegisterClass *	getPointerRegClass (const MachineFunction &MF, unsigned Kind=0) const override
void	emitLoadConstPool (MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI, DebugLoc dl, unsigned DestReg, unsigned SubIdx, int Val, ARMCC::CondCodes Pred=ARMCC::AL, unsigned PredReg=0, unsigned MIFlags=MachineInstr::NoFlags) const override
bool	rewriteFrameIndex (MachineBasicBlock::iterator II, unsigned FrameRegIdx, unsigned FrameReg, int &Offset, const ARMBaseInstrInfo &TII) const
void	resolveFrameIndex (MachineInstr &MI, unsigned BaseReg, int64_t Offset) const override
bool	saveScavengerRegister (MachineBasicBlock &MBB, MachineBasicBlock::iterator I, MachineBasicBlock::iterator &UseMI, const TargetRegisterClass *RC, unsigned Reg) const override
void	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override

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Detailed Description

Definition at line 25 of file Thumb1RegisterInfo.h.

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Constructor & Destructor Documentation

Thumb1RegisterInfo::Thumb1RegisterInfo

(

const ARMSubtarget &

STI

)

Definition at line 41 of file Thumb1RegisterInfo.cpp.

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Member Function Documentation

void Thumb1RegisterInfo::eliminateFrameIndex	(	MachineBasicBlock::iterator	II,
		int	SPAdj,
		unsigned	FIOperandNum,
		RegScavenger *	RS = nullptr
	)		const [override]

Reimplemented from llvm::ARMBaseRegisterInfo.

Definition at line 557 of file Thumb1RegisterInfo.cpp.

References llvm::AddDefaultPred(), llvm::ARMBaseRegisterInfo::BasePtr, llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), llvm::MachineRegisterInfo::createVirtualRegister(), emitLoadConstPool(), llvm::emitThumbRegPlusImmediate(), emitThumbRegPlusImmInReg(), llvm::MachineInstr::findFirstPredOperandIdx(), llvm::ISD::FrameIndex, llvm::MachineInstr::getDebugLoc(), llvm::MachineFunction::getFrameInfo(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::ARMFunctionInfo::getFramePtrSpillOffset(), llvm::ARMBaseRegisterInfo::getFrameRegister(), llvm::MachineOperand::getIndex(), llvm::MachineFunction::getInfo(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::MachineFrameInfo::getStackSize(), llvm::MachineFunction::getSubtarget(), llvm::TargetMachine::getSubtargetImpl(), llvm::MachineFunction::getTarget(), llvm::ARMBaseRegisterInfo::hasBasePointer(), llvm::TargetFrameLowering::hasFP(), llvm::TargetFrameLowering::hasReservedCallFrame(), llvm::MachineFrameInfo::hasVarSizedObjects(), llvm::MachineInstr::isDebugValue(), llvm::MachineInstr::isPredicable(), llvm::RegScavenger::isScavengingFrameIndex(), llvm::ARMFunctionInfo::isThumbFunction(), llvm_unreachable, llvm::MachineInstr::mayLoad(), llvm::MachineInstr::mayStore(), llvm::AArch64CC::MI, removeOperands(), rewriteFrameIndex(), llvm::MachineInstr::setDesc(), and TII.

void Thumb1RegisterInfo::emitLoadConstPool	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator &	MBBI,
		DebugLoc	dl,
		unsigned	DestReg,
		unsigned	SubIdx,
		int	Val,
		ARMCC::CondCodes	Pred = ARMCC::AL,
		unsigned	PredReg = 0,
		unsigned	MIFlags = MachineInstr::NoFlags
	)		const [override, virtual]

emitLoadConstPool - Emits a load from constpool to materialize the specified immediate.

Reimplemented from llvm::ARMBaseRegisterInfo.

Definition at line 62 of file Thumb1RegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::CallingConv::C, llvm::MCInstrInfo::get(), llvm::ConstantInt::get(), llvm::MachineFunction::getConstantPool(), llvm::MachineConstantPool::getConstantPoolIndex(), llvm::Function::getContext(), llvm::getDefRegState(), llvm::MachineFunction::getFunction(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::Type::getInt32Ty(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getSubtarget(), llvm::MachineInstrBuilder::setMIFlags(), and TII.

Referenced by eliminateFrameIndex().

const TargetRegisterClass * Thumb1RegisterInfo::getLargestLegalSuperClass

(

const TargetRegisterClass *

RC

)

const [override]

Reimplemented from llvm::ARMBaseRegisterInfo.

Definition at line 46 of file Thumb1RegisterInfo.cpp.

const TargetRegisterClass * Thumb1RegisterInfo::getPointerRegClass	(	const MachineFunction &	MF,
		unsigned	Kind = 0
	)		const [override]

Reimplemented from llvm::ARMBaseRegisterInfo.

Definition at line 54 of file Thumb1RegisterInfo.cpp.

void Thumb1RegisterInfo::resolveFrameIndex	(	MachineInstr &	MI,
		unsigned	BaseReg,
		int64_t	Offset
	)		const [override]

Reimplemented from llvm::ARMBaseRegisterInfo.

Definition at line 485 of file Thumb1RegisterInfo.cpp.

References llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::TargetMachine::getSubtargetImpl(), llvm::MachineFunction::getTarget(), llvm::MachineOperand::isFI(), rewriteFrameIndex(), and TII.

bool Thumb1RegisterInfo::rewriteFrameIndex	(	MachineBasicBlock::iterator	II,
		unsigned	FrameRegIdx,
		unsigned	FrameReg,
		int &	Offset,
		const ARMBaseInstrInfo &	TII
	)		const

Definition at line 344 of file Thumb1RegisterInfo.cpp.

References llvm::AddDefaultPred(), llvm::AddDefaultT1CC(), llvm::ARMII::AddrModeMask, llvm::ARMII::AddrModeT1_s, llvm::ARMCC::AL, calcNumMI(), llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), convertToNonSPOpcode(), emitThumbConstant(), llvm::emitThumbRegPlusImmediate(), llvm::MachineBasicBlock::erase(), llvm::MachineInstr::getDebugLoc(), llvm::MachineInstr::getDesc(), llvm::MachineOperand::getImm(), llvm::getInstrPredicate(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), llvm_unreachable, llvm::AArch64CC::MI, llvm::MachineInstr::RemoveOperand(), removeOperands(), llvm::MachineInstr::setDesc(), and llvm::MCInstrDesc::TSFlags.

Referenced by eliminateFrameIndex(), and resolveFrameIndex().

bool Thumb1RegisterInfo::saveScavengerRegister	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	I,
		MachineBasicBlock::iterator &	UseMI,
		const TargetRegisterClass *	RC,
		unsigned	Reg
	)		const [override]

saveScavengerRegister - Spill the register so it can be used by the register scavenger. Return true.

Definition at line 508 of file Thumb1RegisterInfo.cpp.

References llvm::AddDefaultPred(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineOperand::clobbersPhysReg(), llvm::RegState::Define, llvm::MCInstrInfo::get(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getSubtarget(), llvm::MachineOperand::isReg(), llvm::MachineOperand::isRegMask(), llvm::MachineOperand::isUndef(), llvm::TargetRegisterInfo::isVirtualRegister(), llvm::RegState::Kill, and TII.

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

• Thumb1RegisterInfo.h
• Thumb1RegisterInfo.cpp