#include "Target/M68k/M68kInstrInfo.h"

Inheritance diagram for llvm::M68kInstrInfo:

Public Member Functions
	M68kInstrInfo (const M68kSubtarget &STI)
const M68kRegisterInfo &	getRegisterInfo () const
	TargetInstrInfo is a superset of MRegister info.
bool	analyzeBranch (MachineBasicBlock &MBB, MachineBasicBlock &TBB, MachineBasicBlock &FBB, SmallVectorImpl< MachineOperand > &Cond, bool AllowModify) const override
bool	AnalyzeBranchImpl (MachineBasicBlock &MBB, MachineBasicBlock &TBB, MachineBasicBlock &FBB, SmallVectorImpl< MachineOperand > &Cond, bool AllowModify) const
unsigned	removeBranch (MachineBasicBlock &MBB, int *BytesRemoved=nullptr) const override
unsigned	insertBranch (MachineBasicBlock &MBB, MachineBasicBlock TBB, MachineBasicBlock FBB, ArrayRef< MachineOperand > Cond, const DebugLoc &DL, int *BytesAdded=nullptr) const override
void	copyPhysReg (MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, const DebugLoc &DL, Register DestReg, Register SrcReg, bool KillSrc, bool RenamableDest=false, bool RenamableSrc=false) const override
bool	getStackSlotRange (const TargetRegisterClass *RC, unsigned SubIdx, unsigned &Size, unsigned &Offset, const MachineFunction &MF) const override
void	storeRegToStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, Register SrcReg, bool IsKill, int FrameIndex, const TargetRegisterClass *RC, Register VReg, MachineInstr::MIFlag Flags=MachineInstr::NoFlags) const override
void	loadRegFromStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, Register DestReg, int FrameIndex, const TargetRegisterClass *RC, Register VReg, unsigned SubReg=0, MachineInstr::MIFlag Flags=MachineInstr::NoFlags) const override
bool	expandPostRAPseudo (MachineInstr &MI) const override
bool	isPCRelRegisterOperandLegal (const MachineOperand &MO) const override
void	AddSExt (MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL, unsigned Reg, MVT From, MVT To) const
	Add appropriate SExt nodes.
void	AddZExt (MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL, unsigned Reg, MVT From, MVT To) const
	Add appropriate ZExt nodes.
bool	ExpandMOVI (MachineInstrBuilder &MIB, MVT MVTSize) const
	Move immediate to register.
bool	ExpandMOVX_RR (MachineInstrBuilder &MIB, MVT MVTDst, MVT MVTSrc) const
	Move across register classes without extension.
bool	ExpandMOVSZX_RR (MachineInstrBuilder &MIB, bool IsSigned, MVT MVTDst, MVT MVTSrc) const
	Move from register and extend.
bool	ExpandMOVSZX_RM (MachineInstrBuilder &MIB, bool IsSigned, const MCInstrDesc &Desc, MVT MVTDst, MVT MVTSrc) const
	Move from memory and extend.
bool	ExpandPUSH_POP (MachineInstrBuilder &MIB, const MCInstrDesc &Desc, bool IsPush) const
	Push/Pop to/from stack.
bool	ExpandMOVEM (MachineInstrBuilder &MIB, const MCInstrDesc &Desc, bool IsRM) const
	Expand all MOVEM pseudos into real MOVEMs.
void	buildClearRegister (Register Reg, MachineBasicBlock &MBB, MachineBasicBlock::iterator Iter, DebugLoc &DL, bool AllowSideEffects=true) const override
unsigned	getGlobalBaseReg (MachineFunction *MF) const
	Return a virtual register initialized with the global base register value.
std::pair< unsigned, unsigned >	decomposeMachineOperandsTargetFlags (unsigned TF) const override
ArrayRef< std::pair< unsigned, const char * > >	getSerializableDirectMachineOperandTargetFlags () const override

Static Public Member Functions
static const M68kInstrInfo *	create (M68kSubtarget &STI)

Protected Attributes
const M68kSubtarget &	Subtarget
const M68kRegisterInfo	RI

Detailed Description

Definition at line 237 of file M68kInstrInfo.h.

Constructor & Destructor Documentation

◆ M68kInstrInfo()

M68kInstrInfo::M68kInstrInfo ( const M68kSubtarget & STI )

explicit

Definition at line 47 of file M68kInstrInfo.cpp.

References RI, and Subtarget.

Referenced by create().

Member Function Documentation

◆ AddSExt()

void M68kInstrInfo::AddSExt	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	I,
		DebugLoc	DL,
		unsigned	Reg,
		MVT	From,
		MVT	To ) const

Add appropriate SExt nodes.

Definition at line 317 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), DL, llvm::get(), I, MBB, and RI.

Referenced by ExpandMOVSZX_RM(), and ExpandMOVSZX_RR().

◆ AddZExt()

void M68kInstrInfo::AddZExt	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	I,
		DebugLoc	DL,
		unsigned	Reg,
		MVT	From,
		MVT	To ) const

Add appropriate ZExt nodes.

Definition at line 334 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), DL, llvm::get(), I, MBB, RI, and Subtarget.

Referenced by ExpandMOVSZX_RM(), and ExpandMOVSZX_RR().

◆ analyzeBranch()

bool M68kInstrInfo::analyzeBranch	(	MachineBasicBlock &	MBB,
		MachineBasicBlock *&	TBB,
		MachineBasicBlock *&	FBB,
		SmallVectorImpl< MachineOperand > &	Cond,
		bool	AllowModify ) const

override

Definition at line 253 of file M68kInstrInfo.cpp.

References AnalyzeBranchImpl(), Cond, MBB, and TBB.

◆ AnalyzeBranchImpl()

bool M68kInstrInfo::AnalyzeBranchImpl	(	MachineBasicBlock &	MBB,
		MachineBasicBlock *&	TBB,
		MachineBasicBlock *&	FBB,
		SmallVectorImpl< MachineOperand > &	Cond,
		bool	AllowModify ) const

Definition at line 87 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), assert(), llvm::BuildMI(), Cond, llvm::M68k::COND_INVALID, llvm::MachineOperand::CreateImm(), llvm::get(), GetCondBranchFromCond(), llvm::M68k::GetCondFromBranchOpc(), GetOppositeBranchCondition(), MBB, llvm::Ref, and TBB.

Referenced by analyzeBranch().

◆ buildClearRegister()

void M68kInstrInfo::buildClearRegister	(	Register	Reg,
		MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	Iter,
		DebugLoc &	DL,
		bool	AllowSideEffects = true ) const

override

Definition at line 641 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), contains(), DL, llvm::get(), MBB, llvm::reportFatalInternalError(), RI, and llvm::Undef.

Referenced by ExpandMOVI(), ExpandMOVSZX_RM(), and ExpandMOVSZX_RR().

◆ copyPhysReg()

void M68kInstrInfo::copyPhysReg	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	MI,
		const DebugLoc &	DL,
		Register	DestReg,
		Register	SrcReg,
		bool	KillSrc,
		bool	RenamableDest = false,
		bool	RenamableSrc = false ) const

override

◆ create()

const M68kInstrInfo * llvm::M68kInstrInfo::create ( M68kSubtarget & STI )

static

References M68kInstrInfo().

◆ decomposeMachineOperandsTargetFlags()

std::pair< unsigned, unsigned > M68kInstrInfo::decomposeMachineOperandsTargetFlags ( unsigned TF ) const

override

Definition at line 989 of file M68kInstrInfo.cpp.

◆ ExpandMOVEM()

bool M68kInstrInfo::ExpandMOVEM	(	MachineInstrBuilder &	MIB,
		const MCInstrDesc &	Desc,
		bool	IsRM ) const

Expand all MOVEM pseudos into real MOVEMs.

Definition at line 602 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::sampleprof::Base, llvm::BuildMI(), llvm::MachineInstrBuilder::copyImplicitOps(), DL, llvm::MachineInstr::eraseFromParent(), llvm::MachineInstr::getDebugLoc(), llvm::MachineOperand::getImm(), llvm::MachineInstrBuilder::getInstr(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::Implicit, llvm::ImplicitDefine, MBB, MI, llvm::Offset, and RI.

◆ ExpandMOVI()

bool M68kInstrInfo::ExpandMOVI	(	MachineInstrBuilder &	MIB,
		MVT	MVTSize ) const

◆ ExpandMOVSZX_RM()

bool M68kInstrInfo::ExpandMOVSZX_RM	(	MachineInstrBuilder &	MIB,
		bool	IsSigned,
		const MCInstrDesc &	Desc,
		MVT	MVTDst,
		MVT	MVTSrc ) const

Move from memory and extend.

Definition at line 540 of file M68kInstrInfo.cpp.

References AddSExt(), AddZExt(), assert(), buildClearRegister(), llvm::dbgs(), DL, llvm::MachineInstr::getDebugLoc(), llvm::MachineInstrBuilder::getInstr(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), I, LLVM_DEBUG, MBB, llvm::MachineInstr::readsRegister(), RI, llvm::MachineInstr::setDesc(), and llvm::MachineOperand::setReg().

◆ ExpandMOVSZX_RR()

bool M68kInstrInfo::ExpandMOVSZX_RR	(	MachineInstrBuilder &	MIB,
		bool	IsSigned,
		MVT	MVTDst,
		MVT	MVTSrc ) const

Move from register and extend.

Expand SExt MOVE pseudos into a MOV and a EXT if the operands are two different registers or just EXT if it is the same register.

Definition at line 474 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), AddSExt(), AddZExt(), assert(), buildClearRegister(), llvm::BuildMI(), llvm::dbgs(), DL, llvm::MachineInstr::eraseFromParent(), llvm::get(), llvm::MachineInstr::getDebugLoc(), llvm::MachineInstrBuilder::getInstr(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), getRegisterInfo(), LLVM_DEBUG, MBB, RI, and TRI.

◆ ExpandMOVX_RR()

bool M68kInstrInfo::ExpandMOVX_RR	(	MachineInstrBuilder &	MIB,
		MVT	MVTDst,
		MVT	MVTSrc ) const

Move across register classes without extension.

Definition at line 437 of file M68kInstrInfo.cpp.

References assert(), llvm::dbgs(), llvm::MachineInstr::eraseFromParent(), llvm::get(), llvm::MachineInstrBuilder::getInstr(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), getRegisterInfo(), LLVM_DEBUG, RI, llvm::MachineInstr::setDesc(), llvm::MachineOperand::setReg(), and TRI.

◆ expandPostRAPseudo()

bool M68kInstrInfo::expandPostRAPseudo ( MachineInstr & MI ) const

override

Definition at line 686 of file M68kInstrInfo.cpp.

References Expand2AddrUndef(), ExpandPUSH_POP(), llvm::get(), and MI.

◆ ExpandPUSH_POP()

bool M68kInstrInfo::ExpandPUSH_POP	(	MachineInstrBuilder &	MIB,
		const MCInstrDesc &	Desc,
		bool	IsPush ) const

Push/Pop to/from stack.

Definition at line 586 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), DL, llvm::MachineInstr::eraseFromParent(), llvm::MachineInstr::getDebugLoc(), llvm::MachineInstrBuilder::getInstr(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), I, MBB, and RI.

Referenced by expandPostRAPseudo().

◆ getGlobalBaseReg()

unsigned M68kInstrInfo::getGlobalBaseReg ( MachineFunction * MF ) const

Return a virtual register initialized with the global base register value.

Output instructions required to initialize the register in the function entry block, if necessary.

TODO Move this function to M68kMachineFunctionInfo.

Definition at line 967 of file M68kInstrInfo.cpp.

References llvm::M68kMachineFunctionInfo::getGlobalBaseReg(), llvm::MachineFunction::getInfo(), llvm::MachineFunction::getRegInfo(), and llvm::M68kMachineFunctionInfo::setGlobalBaseReg().

◆ getRegisterInfo()

const M68kRegisterInfo & llvm::M68kInstrInfo::getRegisterInfo ( ) const

inline

TargetInstrInfo is a superset of MRegister info.

As such, whenever a client has an instance of instruction info, it should always be able to get register info as well (through this method).

Definition at line 252 of file M68kInstrInfo.h.

References RI.

Referenced by ExpandMOVSZX_RR(), and ExpandMOVX_RR().

◆ getSerializableDirectMachineOperandTargetFlags()

ArrayRef< std::pair< unsigned, const char * > > M68kInstrInfo::getSerializableDirectMachineOperandTargetFlags ( ) const

override

Definition at line 994 of file M68kInstrInfo.cpp.

References llvm::ArrayRef().

◆ getStackSlotRange()

bool M68kInstrInfo::getStackSlotRange	(	const TargetRegisterClass *	RC,
		unsigned	SubIdx,
		unsigned &	Size,
		unsigned &	Offset,
		const MachineFunction &	MF ) const

override

Definition at line 920 of file M68kInstrInfo.cpp.

References llvm::Offset, and Size.

◆ insertBranch()

unsigned M68kInstrInfo::insertBranch	(	MachineBasicBlock &	MBB,
		MachineBasicBlock *	TBB,
		MachineBasicBlock *	FBB,
		ArrayRef< MachineOperand >	Cond,
		const DebugLoc &	DL,
		int *	BytesAdded = nullptr ) const

override

Definition at line 284 of file M68kInstrInfo.cpp.

References llvm::MachineInstrBuilder::addMBB(), assert(), llvm::BuildMI(), Cond, llvm::Count, DL, llvm::get(), GetCondBranchFromCond(), llvm::getImm(), MBB, Opc, and TBB.

◆ isPCRelRegisterOperandLegal()

bool M68kInstrInfo::isPCRelRegisterOperandLegal ( const MachineOperand & MO ) const

override

Definition at line 713 of file M68kInstrInfo.cpp.

References assert(), llvm::MachineOperand::getOperandNo(), llvm::MachineOperand::getParent(), llvm::MachineOperand::isReg(), llvm::Regex::match(), and MI.

◆ loadRegFromStackSlot()

void M68kInstrInfo::loadRegFromStackSlot	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	MI,
		Register	DestReg,
		int	FrameIndex,
		const TargetRegisterClass *	RC,
		Register	VReg,
		unsigned	SubReg = 0,
		MachineInstr::MIFlag	Flags = MachineInstr::NoFlags ) const

override

Definition at line 946 of file M68kInstrInfo.cpp.

References llvm::M68k::addFrameReference(), assert(), llvm::BuildMI(), DL, llvm::get(), getLoadRegOpcode(), llvm::MachineFrameInfo::getObjectSize(), MBB, MI, Opc, Subtarget, and TRI.

◆ removeBranch()

unsigned M68kInstrInfo::removeBranch	(	MachineBasicBlock &	MBB,
		int *	BytesRemoved = nullptr ) const

override

Definition at line 261 of file M68kInstrInfo.cpp.

References assert(), llvm::M68k::COND_INVALID, llvm::Count, getCondFromBranchOpc(), I, and MBB.

◆ storeRegToStackSlot()

void M68kInstrInfo::storeRegToStackSlot	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	MI,
		Register	SrcReg,
		bool	IsKill,
		int	FrameIndex,
		const TargetRegisterClass *	RC,
		Register	VReg,
		MachineInstr::MIFlag	Flags = MachineInstr::NoFlags ) const

override

Definition at line 930 of file M68kInstrInfo.cpp.

References llvm::M68k::addFrameReference(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), DL, llvm::get(), llvm::getKillRegState(), llvm::MachineFrameInfo::getObjectSize(), getStoreRegOpcode(), MBB, MI, Opc, Subtarget, and TRI.

Member Data Documentation

◆ RI

const M68kRegisterInfo llvm::M68kInstrInfo::RI

protected

Definition at line 242 of file M68kInstrInfo.h.

Referenced by AddSExt(), AddZExt(), buildClearRegister(), copyPhysReg(), ExpandMOVEM(), ExpandMOVI(), ExpandMOVSZX_RM(), ExpandMOVSZX_RR(), ExpandMOVX_RR(), ExpandPUSH_POP(), getRegisterInfo(), and M68kInstrInfo().

◆ Subtarget

const M68kSubtarget& llvm::M68kInstrInfo::Subtarget

protected

Definition at line 241 of file M68kInstrInfo.h.

Referenced by AddZExt(), loadRegFromStackSlot(), M68kInstrInfo(), and storeRegToStackSlot().

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

lib/Target/M68k/M68kInstrInfo.h
lib/Target/M68k/M68kInstrInfo.cpp

Public Member Functions

Static Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ M68kInstrInfo()

Member Function Documentation

◆ AddSExt()

◆ AddZExt()

◆ analyzeBranch()

◆ AnalyzeBranchImpl()

◆ buildClearRegister()

◆ copyPhysReg()

◆ create()

◆ decomposeMachineOperandsTargetFlags()

◆ ExpandMOVEM()

◆ ExpandMOVI()

◆ ExpandMOVSZX_RM()

◆ ExpandMOVSZX_RR()

◆ ExpandMOVX_RR()

◆ expandPostRAPseudo()

◆ ExpandPUSH_POP()

◆ getGlobalBaseReg()

◆ getRegisterInfo()

◆ getSerializableDirectMachineOperandTargetFlags()

◆ getStackSlotRange()

◆ insertBranch()

◆ isPCRelRegisterOperandLegal()

◆ loadRegFromStackSlot()

◆ removeBranch()

◆ storeRegToStackSlot()

Member Data Documentation

◆ RI

◆ Subtarget