llvm::HexagonRegisterInfo Struct Reference

#include <HexagonRegisterInfo.h>

Inheritance diagram for llvm::HexagonRegisterInfo:

Collaboration diagram for llvm::HexagonRegisterInfo:

List of all members.

Public Member Functions
	HexagonRegisterInfo (HexagonSubtarget &st)
const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF=nullptr) const override
	Code Generation virtual methods...
const TargetRegisterClass *const *	getCalleeSavedRegClasses (const MachineFunction *MF=nullptr) const
BitVector	getReservedRegs (const MachineFunction &MF) const override
void	eliminateFrameIndex (MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
void	determineFrameLayout (MachineFunction &MF) const
bool	requiresRegisterScavenging (const MachineFunction &MF) const override
bool	trackLivenessAfterRegAlloc (const MachineFunction &MF) const override
unsigned	getRARegister () const
unsigned	getFrameRegister (const MachineFunction &MF) const override
unsigned	getFrameRegister () const
unsigned	getStackRegister () const
Public Attributes
HexagonSubtarget &	Subtarget

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Detailed Description

Definition at line 45 of file HexagonRegisterInfo.h.

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Constructor & Destructor Documentation

HexagonRegisterInfo::HexagonRegisterInfo

(

HexagonSubtarget &

st

)

Definition at line 41 of file HexagonRegisterInfo.cpp.

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Member Function Documentation

void llvm::HexagonRegisterInfo::determineFrameLayout

(

MachineFunction &

MF

)

const

determineFrameLayout - Determine the size of the frame and maximum call frame size.

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

Definition at line 118 of file HexagonRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), llvm::HexagonISD::CONST32_Int_Real, llvm::ISD::FrameIndex, llvm::MachineInstr::getDebugLoc(), llvm::MachineFunction::getFrameInfo(), llvm::TargetSubtargetInfo::getFrameLowering(), getFrameRegister(), llvm::MachineOperand::getIndex(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFrameInfo::getObjectOffset(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), getStackRegister(), llvm::MachineFrameInfo::getStackSize(), llvm::MachineFunction::getSubtarget(), llvm::TargetFrameLowering::hasFP(), llvm::HexagonSubtarget::hasV4TOps(), llvm::MachineFrameInfo::hasVarSizedObjects(), HEXAGON_RESERVED_REG_1, Hexagon_WordSize, llvm::HexagonInstrInfo::immediateExtend(), llvm::HexagonInstrInfo::isConstExtended(), llvm::HexagonInstrInfo::isMemOp(), llvm::HexagonInstrInfo::isSpillPredRegOp(), llvm::HexagonInstrInfo::isValidOffset(), llvm_unreachable, llvm::AArch64CC::MI, Subtarget, and TII.

const TargetRegisterClass *const * HexagonRegisterInfo::getCalleeSavedRegClasses

(

const MachineFunction *

MF = nullptr

)

const

Definition at line 90 of file HexagonRegisterInfo.cpp.

References llvm::HexagonSubtarget::getHexagonArchVersion(), llvm_unreachable, Subtarget, llvm::HexagonSubtarget::V1, llvm::HexagonSubtarget::V2, llvm::HexagonSubtarget::V3, llvm::HexagonSubtarget::V4, and llvm::HexagonSubtarget::V5.

const MCPhysReg * HexagonRegisterInfo::getCalleeSavedRegs

(

const MachineFunction *

MF = nullptr

)

const [override]

Code Generation virtual methods...

Definition at line 47 of file HexagonRegisterInfo.cpp.

References llvm::HexagonSubtarget::getHexagonArchVersion(), llvm_unreachable, Subtarget, llvm::HexagonSubtarget::V1, llvm::HexagonSubtarget::V2, llvm::HexagonSubtarget::V3, llvm::HexagonSubtarget::V4, and llvm::HexagonSubtarget::V5.

unsigned HexagonRegisterInfo::getFrameRegister

(

const MachineFunction &

MF

)

const [override]

Definition at line 279 of file HexagonRegisterInfo.cpp.

References llvm::TargetSubtargetInfo::getFrameLowering(), llvm::MachineFunction::getSubtarget(), and llvm::TargetFrameLowering::hasFP().

Referenced by llvm::HexagonTargetLowering::LowerFRAMEADDR().

unsigned HexagonRegisterInfo::getFrameRegister

(

)

const

Definition at line 289 of file HexagonRegisterInfo.cpp.

Referenced by eliminateFrameIndex().

unsigned HexagonRegisterInfo::getRARegister

(

)

const

Definition at line 275 of file HexagonRegisterInfo.cpp.

Referenced by llvm::HexagonTargetLowering::LowerINLINEASM().

BitVector HexagonRegisterInfo::getReservedRegs

(

const MachineFunction &

MF

)

const [override]

Definition at line 71 of file HexagonRegisterInfo.cpp.

References HEXAGON_RESERVED_REG_1, HEXAGON_RESERVED_REG_2, and llvm::BitVector::set().

unsigned HexagonRegisterInfo::getStackRegister

(

)

const

Definition at line 293 of file HexagonRegisterInfo.cpp.

Referenced by eliminateFrameIndex(), llvm::HexagonFrameLowering::emitPrologue(), llvm::HexagonTargetLowering::HexagonTargetLowering(), llvm::HexagonTargetLowering::LowerCall(), and llvm::HexagonTargetLowering::LowerDYNAMIC_STACKALLOC().

bool llvm::HexagonRegisterInfo::requiresRegisterScavenging

(

const MachineFunction &

MF

)

const [inline, override]

requiresRegisterScavenging - returns true since we may need scavenging for a temporary register when generating hardware loop instructions.

Definition at line 69 of file HexagonRegisterInfo.h.

bool llvm::HexagonRegisterInfo::trackLivenessAfterRegAlloc

(

const MachineFunction &

MF

)

const [inline, override]

Definition at line 73 of file HexagonRegisterInfo.h.

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Member Data Documentation

HexagonSubtarget& llvm::HexagonRegisterInfo::Subtarget

Definition at line 46 of file HexagonRegisterInfo.h.

Referenced by areCombinableOperations(), eliminateFrameIndex(), getCalleeSavedRegClasses(), getCalleeSavedRegs(), llvm::HexagonInstrInfo::isConditionalALU32(), llvm::HexagonInstrInfo::isConditionalLoad(), llvm::HexagonInstrInfo::isConditionalStore(), and llvm::HexagonInstrInfo::mayBeNewStore().

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

• HexagonRegisterInfo.h
• HexagonRegisterInfo.cpp