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

#include "Target/AVR/AVRInstrInfo.h"

Inheritance 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, 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

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 259 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 41 of file AVRInstrInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), contains(), DL, llvm::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 503 of file AVRInstrInfo.cpp.

References llvm_unreachable, and MI.

◆ getBrCond()

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

Definition at line 190 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 213 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 474 of file AVRInstrInfo.cpp.

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

Referenced by insertBranch(), and removeBranch().

◆ getOppositeCondition()

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

Definition at line 236 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 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 392 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 557 of file AVRInstrInfo.cpp.

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

◆ isBranchOffsetInRange()

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

override

Definition at line 531 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 MI.

◆ isStoreToStackSlot()

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

override

Definition at line 108 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 159 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 433 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 464 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

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

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

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ AVRInstrInfo()

Member Function Documentation

◆ analyzeBranch()

◆ copyPhysReg()

◆ getBranchDestBlock()

◆ getBrCond()

◆ getCondFromBranchOpc()

◆ getInstSizeInBytes()

◆ getOppositeCondition()

◆ getRegisterInfo()

◆ insertBranch()

◆ insertIndirectBranch()

◆ isBranchOffsetInRange()

◆ isLoadFromStackSlot()

◆ isStoreToStackSlot()

◆ loadRegFromStackSlot()

◆ removeBranch()

◆ reverseBranchCondition()

◆ storeRegToStackSlot()