llvm::AVRInstrInfo Class Reference

Utilities related to the AVR instruction set. More...

#include "Target/AVR/AVRInstrInfo.h"

Inheritance diagram for llvm::AVRInstrInfo:

Collaboration diagram for llvm::AVRInstrInfo:

Public Member Functions
	AVRInstrInfo ()
const AVRRegisterInfo &	getRegisterInfo () const
const MCInstrDesc &	getBrCond (AVRCC::CondCodes CC) const
AVRCC::CondCodes	getCondFromBranchOpc (unsigned Opc) const
AVRCC::CondCodes	getOppositeCondition (AVRCC::CondCodes CC) const
unsigned	getInstSizeInBytes (const MachineInstr &MI) const override
void	copyPhysReg (MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg, bool KillSrc) const override
void	storeRegToStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, Register SrcReg, bool isKill, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const override
void	loadRegFromStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, Register DestReg, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const override
unsigned	isLoadFromStackSlot (const MachineInstr &MI, int &FrameIndex) const override
unsigned	isStoreToStackSlot (const MachineInstr &MI, int &FrameIndex) const override
bool	analyzeBranch (MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, SmallVectorImpl< MachineOperand > &Cond, bool AllowModify=false) const override
unsigned	insertBranch (MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, ArrayRef< MachineOperand > Cond, const DebugLoc &DL, int *BytesAdded=nullptr) const override
unsigned	removeBranch (MachineBasicBlock &MBB, int *BytesRemoved=nullptr) const override
bool	reverseBranchCondition (SmallVectorImpl< MachineOperand > &Cond) const override
MachineBasicBlock *	getBranchDestBlock (const MachineInstr &MI) const override
bool	isBranchOffsetInRange (unsigned BranchOpc, int64_t BrOffset) const override
void	insertIndirectBranch (MachineBasicBlock &MBB, MachineBasicBlock &NewDestBB, MachineBasicBlock &RestoreBB, const DebugLoc &DL, int64_t BrOffset, RegScavenger *RS) const override

Detailed Description

Utilities related to the AVR instruction set.

Definition at line 64 of file AVRInstrInfo.h.

Constructor & Destructor Documentation

AVRInstrInfo()

llvm::AVRInstrInfo::AVRInstrInfo ( )

explicit

Definition at line 38 of file AVRInstrInfo.cpp.

Member Function Documentation

analyzeBranch()

bool llvm::AVRInstrInfo::analyzeBranch ( MachineBasicBlock &  MBB, MachineBasicBlock *&  TBB, MachineBasicBlock *&  FBB, SmallVectorImpl< MachineOperand > &  Cond, bool  AllowModify = false  ) const

override

Definition at line 270 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), assert(), llvm::BuildMI(), Cond, llvm::AVRCC::COND_INVALID, llvm::MachineOperand::CreateImm(), get, getBrCond(), getCondFromBranchOpc(), llvm::MCInstrDesc::getOpcode(), getOppositeCondition(), I, and MBB.

copyPhysReg()

void llvm::AVRInstrInfo::copyPhysReg ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MI, const DebugLoc &  DL, MCRegister  DestReg, MCRegister  SrcReg, bool  KillSrc  ) const

override

Definition at line 41 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), contains(), DL, get, llvm::getKillRegState(), llvm::AVRSubtarget::getRegisterInfo(), llvm::AVRSubtarget::hasMOVW(), llvm_unreachable, MBB, MI, and TRI.

getBranchDestBlock()

MachineBasicBlock * llvm::AVRInstrInfo::getBranchDestBlock ( const MachineInstr &  MI ) const

override

Definition at line 514 of file AVRInstrInfo.cpp.

References llvm_unreachable, and MI.

getBrCond()

const MCInstrDesc & llvm::AVRInstrInfo::getBrCond

(

AVRCC::CondCodes

CC

)

const

Definition at line 201 of file AVRInstrInfo.cpp.

References llvm::AVRCC::COND_EQ, llvm::AVRCC::COND_GE, llvm::AVRCC::COND_LO, llvm::AVRCC::COND_LT, llvm::AVRCC::COND_MI, llvm::AVRCC::COND_NE, llvm::AVRCC::COND_PL, llvm::AVRCC::COND_SH, get, and llvm_unreachable.

Referenced by analyzeBranch(), and insertBranch().

getCondFromBranchOpc()

AVRCC::CondCodes llvm::AVRInstrInfo::getCondFromBranchOpc

(

unsigned

Opc

)

const

Definition at line 224 of file AVRInstrInfo.cpp.

References llvm::AVRCC::COND_EQ, llvm::AVRCC::COND_GE, llvm::AVRCC::COND_INVALID, llvm::AVRCC::COND_LO, llvm::AVRCC::COND_LT, llvm::AVRCC::COND_MI, llvm::AVRCC::COND_NE, llvm::AVRCC::COND_PL, and llvm::AVRCC::COND_SH.

Referenced by analyzeBranch(), and removeBranch().

getInstSizeInBytes()

unsigned llvm::AVRInstrInfo::getInstSizeInBytes ( const MachineInstr &  MI ) const

override

Definition at line 485 of file AVRInstrInfo.cpp.

References llvm::ISD::EH_LABEL, get, llvm::AVRSubtarget::getInstrInfo(), llvm::MCInstrDesc::getSize(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::ISD::INLINEASM, llvm::ISD::INLINEASM_BR, MI, TII, and TM.

Referenced by insertBranch(), and removeBranch().

getOppositeCondition()

AVRCC::CondCodes llvm::AVRInstrInfo::getOppositeCondition

(

AVRCC::CondCodes

CC

)

const

Definition at line 247 of file AVRInstrInfo.cpp.

References llvm::AVRCC::COND_EQ, llvm::AVRCC::COND_GE, llvm::AVRCC::COND_LO, llvm::AVRCC::COND_LT, llvm::AVRCC::COND_MI, llvm::AVRCC::COND_NE, llvm::AVRCC::COND_PL, llvm::AVRCC::COND_SH, and llvm_unreachable.

Referenced by analyzeBranch(), and reverseBranchCondition().

getRegisterInfo()

const AVRRegisterInfo& llvm::AVRInstrInfo::getRegisterInfo ( ) const

inline

Definition at line 68 of file AVRInstrInfo.h.

Referenced by llvm::AVRSubtarget::getRegisterInfo().

insertBranch()

unsigned llvm::AVRInstrInfo::insertBranch ( MachineBasicBlock &  MBB, MachineBasicBlock *  TBB, MachineBasicBlock *  FBB, ArrayRef< MachineOperand >  Cond, const DebugLoc &  DL, int *  BytesAdded = nullptr  ) const

override

Definition at line 403 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), assert(), llvm::BuildMI(), Cond, DL, get, getBrCond(), getInstSizeInBytes(), MBB, and MI.

insertIndirectBranch()

void llvm::AVRInstrInfo::insertIndirectBranch ( MachineBasicBlock &  MBB, MachineBasicBlock &  NewDestBB, MachineBasicBlock &  RestoreBB, const DebugLoc &  DL, int64_t  BrOffset, RegScavenger *  RS  ) const

override

Definition at line 568 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), llvm::BuildMI(), DL, get, and MBB.

isBranchOffsetInRange()

bool llvm::AVRInstrInfo::isBranchOffsetInRange ( unsigned  BranchOpc, int64_t  BrOffset  ) const

override

Definition at line 542 of file AVRInstrInfo.cpp.

References llvm::isIntN(), and llvm_unreachable.

isLoadFromStackSlot()

unsigned llvm::AVRInstrInfo::isLoadFromStackSlot ( const MachineInstr &  MI, int &  FrameIndex  ) const

override

Definition at line 89 of file AVRInstrInfo.cpp.

References llvm::ISD::FrameIndex, and MI.

isStoreToStackSlot()

unsigned llvm::AVRInstrInfo::isStoreToStackSlot ( const MachineInstr &  MI, int &  FrameIndex  ) const

override

Definition at line 108 of file AVRInstrInfo.cpp.

References llvm::ISD::FrameIndex, and MI.

loadRegFromStackSlot()

void llvm::AVRInstrInfo::loadRegFromStackSlot ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MI, Register  DestReg, int  FrameIndex, const TargetRegisterClass *  RC, const TargetRegisterInfo *  TRI  ) const

override

Definition at line 166 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::BuildMI(), DL, llvm::ISD::FrameIndex, get, llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MVT::i16, llvm::MVT::i8, llvm_unreachable, MBB, MI, llvm::MachineMemOperand::MOLoad, and TRI.

removeBranch()

unsigned llvm::AVRInstrInfo::removeBranch ( MachineBasicBlock &  MBB, int *  BytesRemoved = nullptr  ) const

override

Definition at line 444 of file AVRInstrInfo.cpp.

References llvm::AVRCC::COND_INVALID, getCondFromBranchOpc(), getInstSizeInBytes(), I, and MBB.

reverseBranchCondition()

bool llvm::AVRInstrInfo::reverseBranchCondition ( SmallVectorImpl< MachineOperand > &  Cond ) const

override

Definition at line 475 of file AVRInstrInfo.cpp.

References assert(), Cond, and getOppositeCondition().

storeRegToStackSlot()

void llvm::AVRInstrInfo::storeRegToStackSlot ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MI, Register  SrcReg, bool  isKill, int  FrameIndex, const TargetRegisterClass *  RC, const TargetRegisterInfo *  TRI  ) const

override

Definition at line 127 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), DL, llvm::ISD::FrameIndex, get, llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::getKillRegState(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MVT::i16, llvm::MVT::i8, llvm_unreachable, MBB, MI, llvm::MachineMemOperand::MOStore, llvm::AVRMachineFunctionInfo::setHasSpills(), and TRI.

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

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