llvm::R600RegisterInfo Struct Reference

#include <R600RegisterInfo.h>

Inheritance diagram for llvm::R600RegisterInfo:

Collaboration diagram for llvm::R600RegisterInfo:

Public Member Functions
	R600RegisterInfo (AMDGPUTargetMachine &tm)
virtual BitVector	getReservedRegs (const MachineFunction &MF) const
virtual const TargetRegisterClass *	getISARegClass (const TargetRegisterClass *RC) const
unsigned	getHWRegChan (unsigned reg) const
	get the HW encoding for a register's channel. More...
virtual unsigned	getHWRegIndex (unsigned Reg) const
virtual const TargetRegisterClass *	getCFGStructurizerRegClass (MVT VT) const
	get the register class of the specified type to use in the CFGStructurizer More...
virtual const RegClassWeight &	getRegClassWeight (const TargetRegisterClass *RC) const
virtual bool	isPhysRegLiveAcrossClauses (unsigned Reg) const
Public Member Functions inherited from llvm::AMDGPURegisterInfo
	AMDGPURegisterInfo (TargetMachine &tm)
unsigned	getSubRegFromChannel (unsigned Channel) const
const uint16_t *	getCalleeSavedRegs (const MachineFunction *MF) const
void	eliminateFrameIndex (MachineBasicBlock::iterator MI, int SPAdj, unsigned FIOperandNum, RegScavenger *RS) const
unsigned	getFrameRegister (const MachineFunction &MF) const
unsigned	getIndirectSubReg (unsigned IndirectIndex) const

Public Attributes
AMDGPUTargetMachine &	TM
RegClassWeight	RCW
Public Attributes inherited from llvm::AMDGPURegisterInfo
TargetMachine &	TM

Additional Inherited Members
Static Public Attributes inherited from llvm::AMDGPURegisterInfo
static const uint16_t	CalleeSavedReg = AMDGPU::NoRegister

Detailed Description

Definition at line 25 of file R600RegisterInfo.h.

Constructor & Destructor Documentation

R600RegisterInfo::R600RegisterInfo

(

AMDGPUTargetMachine &

tm

)

Definition at line 23 of file R600RegisterInfo.cpp.

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

Member Function Documentation

const TargetRegisterClass * R600RegisterInfo::getCFGStructurizerRegClass ( MVT  VT ) const

virtual

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

Reimplemented from llvm::AMDGPURegisterInfo.

Definition at line 76 of file R600RegisterInfo.cpp.

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

unsigned R600RegisterInfo::getHWRegChan

(

unsigned

reg

)

const

get the HW encoding for a register's channel.

Definition at line 68 of file R600RegisterInfo.cpp.

References HW_CHAN_SHIFT.

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

unsigned R600RegisterInfo::getHWRegIndex ( unsigned  Reg ) const

virtual

Reimplemented from llvm::AMDGPURegisterInfo.

Definition at line 72 of file R600RegisterInfo.cpp.

References GET_REG_INDEX.

const TargetRegisterClass * R600RegisterInfo::getISARegClass ( const TargetRegisterClass *  RC ) const

virtual

Parameters

RC	is an AMDIL reg class.

Returns

the R600 reg class that is equivalent to RC.

Reimplemented from llvm::AMDGPURegisterInfo.

Definition at line 59 of file R600RegisterInfo.cpp.

References llvm::TargetRegisterClass::getID().

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

virtual

Definition at line 84 of file R600RegisterInfo.cpp.

References RCW.

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

virtual

Reimplemented from llvm::AMDGPURegisterInfo.

Definition at line 28 of file R600RegisterInfo.cpp.

References llvm::sys::path::begin(), llvm::sys::path::end(), llvm::AMDGPUTargetMachine::getInstrInfo(), I, llvm::R600InstrInfo::reserveIndirectRegisters(), llvm::BitVector::set(), TII, and TM.

bool R600RegisterInfo::isPhysRegLiveAcrossClauses ( unsigned  Reg ) const

virtual

Definition at line 89 of file R600RegisterInfo.cpp.

References llvm::TargetRegisterInfo::isVirtualRegister().

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

Member Data Documentation

RegClassWeight llvm::R600RegisterInfo::RCW

Definition at line 27 of file R600RegisterInfo.h.

Referenced by getRegClassWeight(), and R600RegisterInfo().

AMDGPUTargetMachine& llvm::R600RegisterInfo::TM

Definition at line 26 of file R600RegisterInfo.h.

Referenced by getReservedRegs().

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

• R600RegisterInfo.h
• R600RegisterInfo.cpp