llvm::R600RegisterInfo Struct Reference

#include "Target/AMDGPU/R600RegisterInfo.h"

Inheritance diagram for llvm::R600RegisterInfo:

Public Member Functions
	R600RegisterInfo ()
BitVector	getReservedRegs (const MachineFunction &MF) const override
const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF) const override
Register	getFrameRegister (const MachineFunction &MF) const override
unsigned	getHWRegChan (unsigned reg) const
	get the HW encoding for a register's channel.
unsigned	getHWRegIndex (unsigned Reg) const
const TargetRegisterClass *	getCFGStructurizerRegClass (MVT VT) const
	get the register class of the specified type to use in the CFGStructurizer
bool	trackLivenessAfterRegAlloc (const MachineFunction &MF) const override
bool	isPhysRegLiveAcrossClauses (Register Reg) const
bool	eliminateFrameIndex (MachineBasicBlock::iterator MI, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
void	reserveRegisterTuples (BitVector &Reserved, unsigned Reg) const

Static Public Member Functions
static unsigned	getSubRegFromChannel (unsigned Channel)

Detailed Description

Definition at line 22 of file R600RegisterInfo.h.

Constructor & Destructor Documentation

R600RegisterInfo()

llvm::R600RegisterInfo::R600RegisterInfo ( )

inline

Definition at line 23 of file R600RegisterInfo.h.

Member Function Documentation

eliminateFrameIndex()

bool R600RegisterInfo::eliminateFrameIndex ( MachineBasicBlock::iterator  MI, int  SPAdj, unsigned  FIOperandNum, RegScavenger *  RS = nullptr  ) const

override

Definition at line 106 of file R600RegisterInfo.cpp.

References llvm_unreachable.

getCalleeSavedRegs()

const MCPhysReg * R600RegisterInfo::getCalleeSavedRegs ( const MachineFunction *  MF ) const

override

Definition at line 68 of file R600RegisterInfo.cpp.

References CalleeSavedReg.

getCFGStructurizerRegClass()

const TargetRegisterClass * R600RegisterInfo::getCFGStructurizerRegClass

(

MVT

VT

)

const

get the register class of the specified type to use in the CFGStructurizer

Definition at line 85 of file R600RegisterInfo.cpp.

References llvm::MVT::SimpleTy.

getFrameRegister()

Register R600RegisterInfo::getFrameRegister ( const MachineFunction &  MF ) const

override

Definition at line 73 of file R600RegisterInfo.cpp.

Referenced by llvm::R600FrameLowering::getFrameIndexReference().

getHWRegChan()

unsigned R600RegisterInfo::getHWRegChan

(

unsigned

reg

)

const

get the HW encoding for a register's channel.

Definition at line 77 of file R600RegisterInfo.cpp.

References HW_CHAN_SHIFT.

Referenced by llvm::R600InstrInfo::expandPostRAPseudo(), and llvm::R600InstrInfo::fitsConstReadLimitations().

getHWRegIndex()

unsigned R600RegisterInfo::getHWRegIndex

(

unsigned

Reg

)

const

Definition at line 81 of file R600RegisterInfo.cpp.

References GET_REG_INDEX.

Referenced by llvm::R600InstrInfo::expandPostRAPseudo().

getReservedRegs()

BitVector R600RegisterInfo::getReservedRegs ( const MachineFunction &  MF ) const

override

Definition at line 36 of file R600RegisterInfo.cpp.

References llvm::MachineFunction::getSubtarget(), llvm::Reserved, reserveRegisterTuples(), and TII.

getSubRegFromChannel()

unsigned R600RegisterInfo::getSubRegFromChannel ( unsigned  Channel )

static

Returns

the sub reg enum value for the given Channel (e.g. getSubRegFromChannel(0) -> R600::sub0)

Definition at line 24 of file R600RegisterInfo.cpp.

References assert().

Referenced by llvm::R600InstrInfo::copyPhysReg(), and llvm::AMDGPUDAGToDAGISel::SelectBuildVector().

isPhysRegLiveAcrossClauses()

bool R600RegisterInfo::isPhysRegLiveAcrossClauses

(

Register

Reg

)

const

Definition at line 93 of file R600RegisterInfo.cpp.

References assert().

Referenced by llvm::R600InstrInfo::isLegalToSplitMBBAt().

reserveRegisterTuples()

void R600RegisterInfo::reserveRegisterTuples	(	BitVector &	Reserved,
		unsigned	Reg
	)		const

Definition at line 113 of file R600RegisterInfo.cpp.

References llvm::Reserved.

Referenced by getReservedRegs().

trackLivenessAfterRegAlloc()

bool llvm::R600RegisterInfo::trackLivenessAfterRegAlloc ( const MachineFunction &  MF ) const

inlineoverride

Definition at line 42 of file R600RegisterInfo.h.

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

• lib/Target/AMDGPU/R600RegisterInfo.h
• lib/Target/AMDGPU/R600RegisterInfo.cpp