llvm::AVRInstrInfo Class Reference

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

#include "Target/AVR/AVRInstrInfo.h"

Inheritance diagram for llvm::AVRInstrInfo:

Public Member Functions
	AVRInstrInfo (AVRSubtarget &STI)
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, Register VReg) const override
void	loadRegFromStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, Register DestReg, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI, Register VReg) 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

Protected Attributes
const AVRSubtarget &	STI

Detailed Description

Utilities related to the AVR instruction set.

Definition at line 66 of file AVRInstrInfo.h.

Constructor & Destructor Documentation

AVRInstrInfo()

llvm::AVRInstrInfo::AVRInstrInfo ( AVRSubtarget &  STI )

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 264 of file AVRInstrInfo.cpp.

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

copyPhysReg()

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

override

Definition at line 42 of file AVRInstrInfo.cpp.

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

getBranchDestBlock()

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

override

Definition at line 506 of file AVRInstrInfo.cpp.

References llvm_unreachable, and MI.

getBrCond()

const MCInstrDesc & llvm::AVRInstrInfo::getBrCond

(

AVRCC::CondCodes

CC

)

const

Definition at line 195 of file AVRInstrInfo.cpp.

References CC, 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, llvm::get(), and llvm_unreachable.

Referenced by analyzeBranch(), and insertBranch().

getCondFromBranchOpc()

AVRCC::CondCodes llvm::AVRInstrInfo::getCondFromBranchOpc

(

unsigned

Opc

)

const

Definition at line 218 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 479 of file AVRInstrInfo.cpp.

References llvm::get(), llvm::AVRSubtarget::getInstrInfo(), llvm::MachineFunction::getTarget(), MI, STI, TII, and TM.

Referenced by insertBranch(), and removeBranch().

getOppositeCondition()

AVRCC::CondCodes llvm::AVRInstrInfo::getOppositeCondition

(

AVRCC::CondCodes

CC

)

const

Definition at line 241 of file AVRInstrInfo.cpp.

References CC, 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 70 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 397 of file AVRInstrInfo.cpp.

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

insertIndirectBranch()

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

override

Definition at line 560 of file AVRInstrInfo.cpp.

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

isBranchOffsetInRange()

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

override

Definition at line 534 of file AVRInstrInfo.cpp.

References llvm::isIntN(), llvm_unreachable, and STI.

isLoadFromStackSlot()

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

override

Definition at line 94 of file AVRInstrInfo.cpp.

References MI.

isStoreToStackSlot()

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

override

Definition at line 113 of file AVRInstrInfo.cpp.

References MI.

loadRegFromStackSlot()

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

override

Definition at line 164 of file AVRInstrInfo.cpp.

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

removeBranch()

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

override

Definition at line 438 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 469 of file AVRInstrInfo.cpp.

References assert(), CC, 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, Register  VReg  ) const

override

Definition at line 132 of file AVRInstrInfo.cpp.

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

Member Data Documentation

STI

const AVRSubtarget& llvm::AVRInstrInfo::STI

protected

Definition at line 123 of file AVRInstrInfo.h.

Referenced by copyPhysReg(), getInstSizeInBytes(), insertIndirectBranch(), and isBranchOffsetInRange().

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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