llvm::R600RegisterInfo Struct Reference

#include "Target/AMDGPU/R600RegisterInfo.h"

Inheritance diagram for llvm::R600RegisterInfo:

Collaboration diagram for llvm::R600RegisterInfo:

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

Public Attributes
RegClassWeight	RCW

Detailed Description

Definition at line 23 of file R600RegisterInfo.h.

Constructor & Destructor Documentation

R600RegisterInfo()

R600RegisterInfo::R600RegisterInfo

(

)

Definition at line 24 of file R600RegisterInfo.cpp.

References RCW, llvm::RegClassWeight::RegWeight, and llvm::RegClassWeight::WeightLimit.

Member Function Documentation

eliminateFrameIndex()

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

override

Definition at line 109 of file R600RegisterInfo.cpp.

References llvm_unreachable.

getCalleeSavedRegs()

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

override

Definition at line 66 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 83 of file R600RegisterInfo.cpp.

References llvm::MVT::i32, and llvm::MVT::SimpleTy.

getFrameRegister()

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

override

Definition at line 71 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 75 of file R600RegisterInfo.cpp.

References HW_CHAN_SHIFT.

Referenced by llvm::createR600ExpandSpecialInstrsPass(), llvm::R600InstrInfo::expandPostRAPseudo(), llvm::R600InstrInfo::fitsConstReadLimitations(), and llvm::R600InstrInfo::getSrcs().

getHWRegIndex()

unsigned R600RegisterInfo::getHWRegIndex

(

unsigned

Reg

)

const

Definition at line 79 of file R600RegisterInfo.cpp.

References GET_REG_INDEX.

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

getRegClassWeight()

const RegClassWeight & R600RegisterInfo::getRegClassWeight ( const TargetRegisterClass *  RC ) const

override

Definition at line 91 of file R600RegisterInfo.cpp.

References RCW.

getReservedRegs()

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

override

Definition at line 32 of file R600RegisterInfo.cpp.

References llvm::sys::path::begin(), E, llvm::sys::path::end(), llvm::R600Subtarget::getInstrInfo(), llvm::MachineFunction::getSubtarget(), I, reserveRegisterTuples(), llvm::ARM_MB::ST, and TII.

isPhysRegLiveAcrossClauses()

bool R600RegisterInfo::isPhysRegLiveAcrossClauses

(

unsigned

Reg

)

const

Definition at line 96 of file R600RegisterInfo.cpp.

References assert(), and llvm::TargetRegisterInfo::isVirtualRegister().

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

reserveRegisterTuples()

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

Definition at line 116 of file R600RegisterInfo.cpp.

References llvm::MCRegAliasIterator::isValid(), and llvm::BitVector::set().

Referenced by getReservedRegs().

Member Data Documentation

RCW

RegClassWeight llvm::R600RegisterInfo::RCW

Definition at line 24 of file R600RegisterInfo.h.

Referenced by getRegClassWeight(), and R600RegisterInfo().

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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