LLVM  11.0.0git
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llvm::AVRInstrInfo Class Reference

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

#include "Target/AVR/AVRInstrInfo.h"

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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
 
unsigned insertIndirectBranch (MachineBasicBlock &MBB, MachineBasicBlock &NewDestBB, 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 263 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), assert(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::SmallVectorImpl< T >::clear(), llvm::AVRCC::COND_INVALID, llvm::MachineOperand::CreateImm(), llvm::SmallVectorBase< SmallVectorSizeType< T > >::empty(), llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::findDebugLoc(), getBrCond(), getCondFromBranchOpc(), llvm::MCInstrDesc::getOpcode(), getOppositeCondition(), I, llvm::MachineBasicBlock::isLayoutSuccessor(), llvm::SmallVectorTemplateBase< T >::push_back(), and llvm::SmallVectorBase< SmallVectorSizeType< T > >::size().

◆ 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(), llvm::getKillRegState(), llvm::MachineBasicBlock::getParent(), llvm::AVRSubtarget::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), llvm::AVRSubtarget::hasMOVW(), llvm_unreachable, and TRI.

◆ getBranchDestBlock()

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

Definition at line 504 of file AVRInstrInfo.cpp.

References llvm::MachineOperand::getMBB(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), and llvm_unreachable.

◆ getBrCond()

const MCInstrDesc & llvm::AVRInstrInfo::getBrCond ( AVRCC::CondCodes  CC) const

Definition at line 194 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(), llvm::AVRTargetLowering::EmitInstrWithCustomInserter(), and insertBranch().

◆ getCondFromBranchOpc()

AVRCC::CondCodes llvm::AVRInstrInfo::getCondFromBranchOpc ( unsigned  Opc) const

Definition at line 217 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 476 of file AVRInstrInfo.cpp.

References llvm::ISD::EH_LABEL, llvm::AVRSubtarget::getInstrInfo(), llvm::TargetMachine::getMCAsmInfo(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MCInstrDesc::getSize(), llvm::MachineFunction::getSubtarget(), llvm::MachineOperand::getSymbolName(), llvm::MachineFunction::getTarget(), llvm::ISD::INLINEASM, llvm::ISD::INLINEASM_BR, TII, and llvm::SystemZISD::TM.

Referenced by insertBranch(), insertIndirectBranch(), and removeBranch().

◆ getOppositeCondition()

AVRCC::CondCodes llvm::AVRInstrInfo::getOppositeCondition ( AVRCC::CondCodes  CC) const

Definition at line 240 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.

References Cond, llvm::ISD::FrameIndex, getOppositeCondition(), MI, and TRI.

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 398 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), assert(), llvm::BuildMI(), llvm::ArrayRef< T >::empty(), getBrCond(), getInstSizeInBytes(), MI, and llvm::ArrayRef< T >::size().

◆ insertIndirectBranch()

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

Definition at line 558 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), llvm::BuildMI(), getInstSizeInBytes(), and MI.

◆ isBranchOffsetInRange()

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

Definition at line 532 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 82 of file AVRInstrInfo.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isFI(), and llvm::MachineOperand::isImm().

◆ isStoreToStackSlot()

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

Definition at line 101 of file AVRInstrInfo.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isFI(), and llvm::MachineOperand::isImm().

◆ 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 159 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::BuildMI(), llvm::MachineBasicBlock::end(), llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineBasicBlock::getParent(), llvm::MVT::i16, llvm::MVT::i8, llvm::TargetRegisterInfo::isTypeLegalForClass(), llvm_unreachable, and llvm::MachineMemOperand::MOLoad.

◆ removeBranch()

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

Definition at line 437 of file AVRInstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::AVRCC::COND_INVALID, llvm::MachineBasicBlock::end(), getCondFromBranchOpc(), getInstSizeInBytes(), and I.

◆ reverseBranchCondition()

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

Definition at line 466 of file AVRInstrInfo.cpp.

References assert(), getOppositeCondition(), and llvm::SmallVectorBase< SmallVectorSizeType< T > >::size().

◆ 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 120 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::MachineBasicBlock::end(), llvm::MachinePointerInfo::getFixedStack(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::getKillRegState(), llvm::MachineFunction::getMachineMemOperand(), llvm::MachineFrameInfo::getObjectAlign(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineBasicBlock::getParent(), llvm::MVT::i16, llvm::MVT::i8, llvm::TargetRegisterInfo::isTypeLegalForClass(), llvm_unreachable, llvm::MachineMemOperand::MOStore, and llvm::AVRMachineFunctionInfo::setHasSpills().

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