llvm::AVRRegisterInfo Class Reference

Utilities relating to AVR registers. More...

#include "Target/AVR/AVRRegisterInfo.h"

Inheritance diagram for llvm::AVRRegisterInfo:

Collaboration diagram for llvm::AVRRegisterInfo:

Public Member Functions
	AVRRegisterInfo ()
const uint16_t *	getCalleeSavedRegs (const MachineFunction *MF=0) const override
const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID CC) const override
BitVector	getReservedRegs (const MachineFunction &MF) const override
const TargetRegisterClass *	getLargestLegalSuperClass (const TargetRegisterClass *RC, const MachineFunction &MF) const override
void	eliminateFrameIndex (MachineBasicBlock::iterator MI, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=NULL) const override
	Stack Frame Processing Methods. More...
unsigned	getFrameRegister (const MachineFunction &MF) const override
const TargetRegisterClass *	getPointerRegClass (const MachineFunction &MF, unsigned Kind=0) const override
void	splitReg (unsigned Reg, unsigned &LoReg, unsigned &HiReg) const
	Splits a 16-bit DREGS register into the lo/hi register pair. More...
bool	trackLivenessAfterRegAlloc (const MachineFunction &) const override

Detailed Description

Utilities relating to AVR registers.

Definition at line 25 of file AVRRegisterInfo.h.

Constructor & Destructor Documentation

AVRRegisterInfo()

llvm::AVRRegisterInfo::AVRRegisterInfo

(

)

Definition at line 33 of file AVRRegisterInfo.cpp.

Member Function Documentation

eliminateFrameIndex()

void llvm::AVRRegisterInfo::eliminateFrameIndex ( MachineBasicBlock::iterator  MI, int  SPAdj, unsigned  FIOperandNum, RegScavenger *  RS = NULL  ) const

override

Stack Frame Processing Methods.

Definition at line 128 of file AVRRegisterInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), llvm::MachineOperand::ChangeToImmediate(), llvm::MachineOperand::ChangeToRegister(), llvm::MachineBasicBlock::end(), llvm::foldFrameOffset(), llvm::ISD::FrameIndex, llvm::MCInstrInfo::get(), llvm::MachineInstr::getDebugLoc(), llvm::MachineFunction::getFrameInfo(), llvm::AVRSubtarget::getFrameLowering(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::AVRSubtarget::getInstrInfo(), llvm::MachineFrameInfo::getObjectOffset(), llvm::TargetFrameLowering::getOffsetOfLocalArea(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFrameInfo::getStackSize(), llvm::AVRTargetMachine::getSubtargetImpl(), llvm::MachineFunction::getTarget(), llvm::RegState::Kill, LLVM_FALLTHROUGH, MI, llvm::MachineInstr::RemoveOperand(), llvm::MachineInstr::setDesc(), llvm::MachineOperand::setIsDead(), TII, and llvm::SystemZISD::TM.

getCalleeSavedRegs()

const uint16_t * llvm::AVRRegisterInfo::getCalleeSavedRegs ( const MachineFunction *  MF = 0 ) const

override

Definition at line 36 of file AVRRegisterInfo.cpp.

References llvm::CallingConv::AVR_INTR, llvm::CallingConv::AVR_SIGNAL, llvm::Function::getCallingConv(), and llvm::MachineFunction::getFunction().

getCallPreservedMask()

const uint32_t * llvm::AVRRegisterInfo::getCallPreservedMask ( const MachineFunction &  MF, CallingConv::ID  CC  ) const

override

Definition at line 45 of file AVRRegisterInfo.cpp.

References llvm::CallingConv::AVR_INTR, and llvm::CallingConv::AVR_SIGNAL.

getFrameRegister()

unsigned llvm::AVRRegisterInfo::getFrameRegister ( const MachineFunction &  MF ) const

override

Definition at line 248 of file AVRRegisterInfo.cpp.

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

getLargestLegalSuperClass()

const TargetRegisterClass * llvm::AVRRegisterInfo::getLargestLegalSuperClass ( const TargetRegisterClass *  RC, const MachineFunction &  MF  ) const

override

Definition at line 83 of file AVRRegisterInfo.cpp.

References llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), llvm::MVT::i16, llvm::MVT::i8, llvm::TargetRegisterInfo::isTypeLegalForClass(), llvm_unreachable, and TRI.

getPointerRegClass()

const TargetRegisterClass * llvm::AVRRegisterInfo::getPointerRegClass ( const MachineFunction &  MF, unsigned  Kind = 0  ) const

override

Definition at line 259 of file AVRRegisterInfo.cpp.

getReservedRegs()

BitVector llvm::AVRRegisterInfo::getReservedRegs ( const MachineFunction &  MF ) const

override

Definition at line 52 of file AVRRegisterInfo.cpp.

References llvm::BitVector::set().

splitReg()

void llvm::AVRRegisterInfo::splitReg	(	unsigned	Reg,
		unsigned &	LoReg,
		unsigned &	HiReg
	)		const

Splits a 16-bit DREGS register into the lo/hi register pair.

Parameters

Reg	A 16-bit register to split.

Definition at line 267 of file AVRRegisterInfo.cpp.

References assert(), and contains().

trackLivenessAfterRegAlloc()

bool llvm::AVRRegisterInfo::trackLivenessAfterRegAlloc ( const MachineFunction &  ) const

inlineoverride

Definition at line 55 of file AVRRegisterInfo.h.

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

• lib/Target/AVR/AVRRegisterInfo.h
• lib/Target/AVR/AVRRegisterInfo.cpp