llvm::SystemZInstrInfo Class Reference

#include <SystemZInstrInfo.h>

Inheritance diagram for llvm::SystemZInstrInfo:

Collaboration diagram for llvm::SystemZInstrInfo:

Public Member Functions
	SystemZInstrInfo (SystemZTargetMachine &TM)
virtual unsigned	isLoadFromStackSlot (const MachineInstr *MI, int &FrameIndex) const LLVM_OVERRIDE
virtual unsigned	isStoreToStackSlot (const MachineInstr *MI, int &FrameIndex) const LLVM_OVERRIDE
virtual bool	isStackSlotCopy (const MachineInstr *MI, int &DestFrameIndex, int &SrcFrameIndex) const LLVM_OVERRIDE
virtual bool	AnalyzeBranch (MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, SmallVectorImpl< MachineOperand > &Cond, bool AllowModify) const LLVM_OVERRIDE
virtual unsigned	RemoveBranch (MachineBasicBlock &MBB) const LLVM_OVERRIDE
virtual unsigned	InsertBranch (MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, const SmallVectorImpl< MachineOperand > &Cond, DebugLoc DL) const LLVM_OVERRIDE
bool	analyzeCompare (const MachineInstr *MI, unsigned &SrcReg, unsigned &SrcReg2, int &Mask, int &Value) const LLVM_OVERRIDE
bool	optimizeCompareInstr (MachineInstr *CmpInstr, unsigned SrcReg, unsigned SrcReg2, int Mask, int Value, const MachineRegisterInfo *MRI) const LLVM_OVERRIDE
virtual bool	isPredicable (MachineInstr *MI) const LLVM_OVERRIDE
virtual bool	isProfitableToIfCvt (MachineBasicBlock &MBB, unsigned NumCycles, unsigned ExtraPredCycles, const BranchProbability &Probability) const LLVM_OVERRIDE
virtual bool	isProfitableToIfCvt (MachineBasicBlock &TMBB, unsigned NumCyclesT, unsigned ExtraPredCyclesT, MachineBasicBlock &FMBB, unsigned NumCyclesF, unsigned ExtraPredCyclesF, const BranchProbability &Probability) const LLVM_OVERRIDE
virtual bool	PredicateInstruction (MachineInstr *MI, const SmallVectorImpl< MachineOperand > &Pred) const LLVM_OVERRIDE
virtual void	copyPhysReg (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, DebugLoc DL, unsigned DestReg, unsigned SrcReg, bool KillSrc) const LLVM_OVERRIDE
virtual void	storeRegToStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, unsigned SrcReg, bool isKill, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const LLVM_OVERRIDE
virtual void	loadRegFromStackSlot (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, unsigned DestReg, int FrameIdx, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const LLVM_OVERRIDE
virtual MachineInstr *	convertToThreeAddress (MachineFunction::iterator &MFI, MachineBasicBlock::iterator &MBBI, LiveVariables *LV) const
virtual MachineInstr *	foldMemoryOperandImpl (MachineFunction &MF, MachineInstr *MI, const SmallVectorImpl< unsigned > &Ops, int FrameIndex) const
virtual MachineInstr *	foldMemoryOperandImpl (MachineFunction &MF, MachineInstr *MI, const SmallVectorImpl< unsigned > &Ops, MachineInstr *LoadMI) const
virtual bool	expandPostRAPseudo (MachineBasicBlock::iterator MBBI) const LLVM_OVERRIDE
virtual bool	ReverseBranchCondition (SmallVectorImpl< MachineOperand > &Cond) const LLVM_OVERRIDE
const SystemZRegisterInfo &	getRegisterInfo () const
uint64_t	getInstSizeInBytes (const MachineInstr *MI) const
SystemZII::Branch	getBranchInfo (const MachineInstr *MI) const
void	getLoadStoreOpcodes (const TargetRegisterClass *RC, unsigned &LoadOpcode, unsigned &StoreOpcode) const
unsigned	getOpcodeForOffset (unsigned Opcode, int64_t Offset) const
unsigned	getLoadAndTest (unsigned Opcode) const
bool	isRxSBGMask (uint64_t Mask, unsigned BitSize, unsigned &Start, unsigned &End) const
unsigned	getCompareAndBranch (unsigned Opcode, const MachineInstr *MI=0) const
void	loadImmediate (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, unsigned Reg, uint64_t Value) const

Detailed Description

Definition at line 113 of file SystemZInstrInfo.h.

Constructor & Destructor Documentation

SystemZInstrInfo::SystemZInstrInfo ( SystemZTargetMachine &  TM )

explicit

Definition at line 43 of file SystemZInstrInfo.cpp.

Member Function Documentation

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

virtual

Definition at line 241 of file SystemZInstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MCID::Branch, llvm::SystemZII::BranchNormal, llvm::SystemZII::Branch::CCMask, llvm::SystemZ::CCMASK_ANY, llvm::SystemZII::Branch::CCValid, llvm::SmallVectorImpl< T >::clear(), llvm::MachineOperand::CreateImm(), llvm::SmallVectorBase::empty(), llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::eraseFromParent(), getBranchInfo(), llvm::MachineOperand::getMBB(), I, llvm::MachineBasicBlock::isLayoutSuccessor(), llvm::MachineOperand::isMBB(), llvm::next(), llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back(), llvm::SmallVectorTemplateCommon< T >::size(), llvm::SystemZII::Branch::Target, and llvm::SystemZII::Branch::Type.

bool SystemZInstrInfo::analyzeCompare	(	const MachineInstr *	MI,
		unsigned &	SrcReg,
		unsigned &	SrcReg2,
		int &	Mask,
		int &	Value
	)		const

Definition at line 399 of file SystemZInstrInfo.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineInstr::getNumExplicitOperands(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineInstr::isCompare(), llvm::MachineOperand::isImm(), and llvm::MachineOperand::isReg().

MachineInstr * SystemZInstrInfo::convertToThreeAddress ( MachineFunction::iterator &  MFI, MachineBasicBlock::iterator &  MBBI, LiveVariables *  LV  ) const

virtual

Definition at line 674 of file SystemZInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addOperand(), llvm::MachineInstrBuilder::addReg(), allOnes(), llvm::APIntOps::And(), llvm::BuildMI(), llvm::MachineRegisterInfo::constrainRegClass(), llvm::TargetRegisterClass::contains(), finishConvertToThreeAddress(), llvm::MachineInstr::getDebugLoc(), llvm::MachineOperand::getImm(), llvm::getKillRegState(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineFunction::getRegInfo(), llvm::MachineOperand::getSubReg(), llvm::SystemZTargetMachine::getSubtargetImpl(), llvm::SystemZSubtarget::hasDistinctOps(), I, interpretAndImmediate(), llvm::MachineOperand::isKill(), isRxSBGMask(), llvm::TargetRegisterInfo::isVirtualRegister(), and MRI.

void SystemZInstrInfo::copyPhysReg ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, DebugLoc  DL, unsigned  DestReg, unsigned  SrcReg, bool  KillSrc  ) const

virtual

Definition at line 553 of file SystemZInstrInfo.cpp.

References llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::getKillRegState(), llvm::MipsISD::LDR, and llvm_unreachable.

bool SystemZInstrInfo::expandPostRAPseudo ( MachineBasicBlock::iterator  MBBI ) const

virtual

Definition at line 872 of file SystemZInstrInfo.cpp.

References llvm::HexagonISD::ADJDYNALLOC, llvm::CallingConv::C, CFI, isHighReg(), llvm::A64DB::LD, and llvm::A64DB::ST.

MachineInstr * SystemZInstrInfo::foldMemoryOperandImpl ( MachineFunction &  MF, MachineInstr *  MI, const SmallVectorImpl< unsigned > &  Ops, int  FrameIndex  ) const

virtual

Definition at line 747 of file SystemZInstrInfo.cpp.

References llvm::MachineInstrBuilder::addFrameIndex(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMemOperand(), llvm::MachineInstrBuilder::addOperand(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::SystemZII::getAccessSize(), llvm::MachineInstr::getDebugLoc(), llvm::MachineFunction::getFrameInfo(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getNumExplicitOperands(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineFunction::getRegInfo(), llvm::MachineMemOperand::getSize(), llvm::SystemZII::HasIndex, llvm::MachineInstr::hasOneMemOperand(), I, llvm::isInt< 8 >(), isSimpleBD12Move(), llvm::MachineMemOperand::isVolatile(), llvm::A64DB::LD, llvm::MachineInstr::memoperands_begin(), llvm::SystemZISD::MVC, llvm::SystemZII::SimpleBDXLoad, llvm::SystemZII::SimpleBDXStore, llvm::SmallVectorTemplateCommon< T, typename >::size(), and llvm::MCInstrDesc::TSFlags.

MachineInstr * SystemZInstrInfo::foldMemoryOperandImpl ( MachineFunction &  MF, MachineInstr *  MI, const SmallVectorImpl< unsigned > &  Ops, MachineInstr *  LoadMI  ) const

virtual

Definition at line 865 of file SystemZInstrInfo.cpp.

SystemZII::Branch SystemZInstrInfo::getBranchInfo

(

const MachineInstr *

MI

)

const

Definition at line 1041 of file SystemZInstrInfo.cpp.

References llvm::ISD::BR, llvm::MCID::Branch, llvm::SystemZII::BranchC, llvm::SystemZII::BranchCG, llvm::SystemZII::BranchCL, llvm::SystemZII::BranchCLG, llvm::SystemZII::BranchCT, llvm::SystemZII::BranchCTG, llvm::SystemZII::BranchNormal, llvm::SystemZ::CCMASK_ANY, llvm::SystemZ::CCMASK_CMP_NE, llvm::SystemZ::CCMASK_ICMP, llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), and llvm_unreachable.

Referenced by AnalyzeBranch(), and RemoveBranch().

unsigned SystemZInstrInfo::getCompareAndBranch	(	unsigned	Opcode,
		const MachineInstr *	MI = 0
	)		const

Definition at line 1206 of file SystemZInstrInfo.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineInstr::getOperand(), llvm::isInt< 8 >(), and llvm::isUInt< 8 >().

uint64_t SystemZInstrInfo::getInstSizeInBytes

(

const MachineInstr *

MI

)

const

Definition at line 1031 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getDesc(), llvm::TargetMachine::getMCAsmInfo(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::MCInstrDesc::getSize(), llvm::MachineOperand::getSymbolName(), llvm::MachineFunction::getTarget(), and llvm::TargetOpcode::INLINEASM.

unsigned SystemZInstrInfo::getLoadAndTest

(

unsigned

Opcode

)

const

Definition at line 1148 of file SystemZInstrInfo.cpp.

References llvm::MipsISD::LDR, and llvm::A64CC::LT.

void SystemZInstrInfo::getLoadStoreOpcodes	(	const TargetRegisterClass *	RC,
		unsigned &	LoadOpcode,
		unsigned &	StoreOpcode
	)		const

Definition at line 1088 of file SystemZInstrInfo.cpp.

References llvm::A64DB::LD, llvm::A64CC::LE, llvm_unreachable, and llvm::A64DB::ST.

Referenced by loadRegFromStackSlot(), and storeRegToStackSlot().

unsigned SystemZInstrInfo::getOpcodeForOffset	(	unsigned	Opcode,
		int64_t	Offset
	)		const

Definition at line 1121 of file SystemZInstrInfo.cpp.

References llvm::SystemZII::Has20BitOffset, llvm::SystemZII::Is128Bit, and llvm::MCInstrDesc::TSFlags.

Referenced by llvm::SystemZRegisterInfo::eliminateFrameIndex(), and llvm::SystemZFrameLowering::emitEpilogue().

const SystemZRegisterInfo& llvm::SystemZInstrInfo::getRegisterInfo ( ) const

inline

Definition at line 210 of file SystemZInstrInfo.h.

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

unsigned SystemZInstrInfo::InsertBranch ( MachineBasicBlock &  MBB, MachineBasicBlock *  TBB, MachineBasicBlock *  FBB, const SmallVectorImpl< MachineOperand > &  Cond, DebugLoc  DL  ) const

virtual

Definition at line 363 of file SystemZInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMBB(), llvm::BuildMI(), llvm::SmallVectorBase::empty(), and llvm::SmallVectorTemplateCommon< T >::size().

unsigned SystemZInstrInfo::isLoadFromStackSlot ( const MachineInstr *  MI, int &  FrameIndex  ) const

virtual

Definition at line 206 of file SystemZInstrInfo.cpp.

References isSimpleMove(), and llvm::SystemZII::SimpleBDXLoad.

bool SystemZInstrInfo::isPredicable ( MachineInstr *  MI ) const

virtual

Definition at line 506 of file SystemZInstrInfo.cpp.

References getConditionalMove(), llvm::MachineInstr::getOpcode(), llvm::SystemZTargetMachine::getSubtargetImpl(), and llvm::SystemZSubtarget::hasLoadStoreOnCond().

bool SystemZInstrInfo::isProfitableToIfCvt ( MachineBasicBlock &  MBB, unsigned  NumCycles, unsigned  ExtraPredCycles, const BranchProbability &  Probability  ) const

virtual

Definition at line 515 of file SystemZInstrInfo.cpp.

bool SystemZInstrInfo::isProfitableToIfCvt ( MachineBasicBlock &  TMBB, unsigned  NumCyclesT, unsigned  ExtraPredCyclesT, MachineBasicBlock &  FMBB, unsigned  NumCyclesF, unsigned  ExtraPredCyclesF, const BranchProbability &  Probability  ) const

virtual

Definition at line 523 of file SystemZInstrInfo.cpp.

bool SystemZInstrInfo::isRxSBGMask	(	uint64_t	Mask,
		unsigned	BitSize,
		unsigned &	Start,
		unsigned &	End
	)		const

Definition at line 1178 of file SystemZInstrInfo.cpp.

References allOnes(), and isStringOfOnes().

Referenced by convertToThreeAddress().

bool SystemZInstrInfo::isStackSlotCopy ( const MachineInstr *  MI, int &  DestFrameIndex, int &  SrcFrameIndex  ) const

virtual

Definition at line 216 of file SystemZInstrInfo.cpp.

References llvm::MachineFunction::getFrameInfo(), llvm::MachineOperand::getImm(), llvm::MachineOperand::getIndex(), llvm::MachineFrameInfo::getObjectSize(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::isFI(), and llvm::SystemZISD::MVC.

unsigned SystemZInstrInfo::isStoreToStackSlot ( const MachineInstr *  MI, int &  FrameIndex  ) const

virtual

Definition at line 211 of file SystemZInstrInfo.cpp.

References isSimpleMove(), and llvm::SystemZII::SimpleBDXStore.

void SystemZInstrInfo::loadImmediate	(	MachineBasicBlock &	MBB,
		MachineBasicBlock::iterator	MBBI,
		unsigned	Reg,
		uint64_t	Value
	)		const

Definition at line 1230 of file SystemZInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::BuildMI(), llvm::MachineBasicBlock::end(), llvm::SystemZ::isImmLH(), llvm::SystemZ::isImmLL(), llvm::isInt< 16 >(), and llvm::isInt< 32 >().

Referenced by llvm::SystemZRegisterInfo::eliminateFrameIndex().

void SystemZInstrInfo::loadRegFromStackSlot ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, unsigned  DestReg, int  FrameIdx, const TargetRegisterClass *  RC, const TargetRegisterInfo *  TRI  ) const

virtual

Definition at line 606 of file SystemZInstrInfo.cpp.

References llvm::addFrameReference(), llvm::BuildMI(), llvm::MachineBasicBlock::end(), and getLoadStoreOpcodes().

bool SystemZInstrInfo::optimizeCompareInstr	(	MachineInstr *	CmpInstr,
		unsigned	SrcReg,
		unsigned	SrcReg2,
		int	Mask,
		int	Value,
		const MachineRegisterInfo *	MRI
	)		const

Definition at line 483 of file SystemZInstrInfo.cpp.

References llvm::MachineInstr::getDesc(), llvm::SystemZTargetMachine::getRegisterInfo(), llvm::SystemZII::IsLogical, removeIPMBasedCompare(), and llvm::MCInstrDesc::TSFlags.

bool SystemZInstrInfo::PredicateInstruction ( MachineInstr *  MI, const SmallVectorImpl< MachineOperand > &  Pred  ) const

virtual

Definition at line 533 of file SystemZInstrInfo.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), getConditionalMove(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getParent(), llvm::MachineBasicBlock::getParent(), llvm::SystemZTargetMachine::getSubtargetImpl(), llvm::SystemZSubtarget::hasLoadStoreOnCond(), llvm::RegState::Implicit, llvm::A64CC::MI, llvm::MachineInstr::setDesc(), and llvm::SmallVectorTemplateCommon< T >::size().

unsigned SystemZInstrInfo::RemoveBranch ( MachineBasicBlock &  MBB ) const

virtual

Definition at line 333 of file SystemZInstrInfo.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::end(), getBranchInfo(), I, llvm::MachineOperand::isMBB(), and llvm::SystemZII::Branch::Target.

bool SystemZInstrInfo::ReverseBranchCondition ( SmallVectorImpl< MachineOperand > &  Cond ) const

virtual

Definition at line 356 of file SystemZInstrInfo.cpp.

References llvm::SmallVectorTemplateCommon< T >::size().

void SystemZInstrInfo::storeRegToStackSlot ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, unsigned  SrcReg, bool  isKill, int  FrameIndex, const TargetRegisterClass *  RC, const TargetRegisterInfo *  TRI  ) const

virtual

Definition at line 589 of file SystemZInstrInfo.cpp.

References llvm::addFrameReference(), llvm::BuildMI(), llvm::MachineBasicBlock::end(), llvm::getKillRegState(), and getLoadStoreOpcodes().

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

• SystemZInstrInfo.h
• SystemZInstrInfo.cpp