SSAUpdaterTraits<MachineSSAUpdater> - Traits for the SSAUpdaterImpl template, specialized for MachineSSAUpdater. More...

Classes
class	PHI_iterator
	Iterator for PHI operands. More...

Public Types
using	BlkT = MachineBasicBlock

using	ValT = Register

using	PhiT = MachineInstr

using	BlkSucc_iterator = MachineBasicBlock::succ_iterator

Static Public Member Functions
static BlkSucc_iterator	BlkSucc_begin (BlkT *BB)

static BlkSucc_iterator	BlkSucc_end (BlkT *BB)

static PHI_iterator	PHI_begin (PhiT *PHI)

static PHI_iterator	PHI_end (PhiT *PHI)

static void	FindPredecessorBlocks (MachineBasicBlock BB, SmallVectorImpl< MachineBasicBlock > *Preds)
	FindPredecessorBlocks - Put the predecessors of BB into the Preds vector.

static Register	GetPoisonVal (MachineBasicBlock BB, MachineSSAUpdater Updater)
	GetPoisonVal - Create an IMPLICIT_DEF instruction with a new register.

static Register	CreateEmptyPHI (MachineBasicBlock BB, unsigned NumPreds, MachineSSAUpdater Updater)
	CreateEmptyPHI - Create a PHI instruction that defines a new register.

static void	AddPHIOperand (MachineInstr PHI, Register Val, MachineBasicBlock Pred)
	AddPHIOperand - Add the specified value as an operand of the PHI for the specified predecessor block.

static MachineInstr *	InstrIsPHI (MachineInstr *I)
	InstrIsPHI - Check if an instruction is a PHI.

static MachineInstr *	ValueIsPHI (Register Val, MachineSSAUpdater *Updater)
	ValueIsPHI - Check if the instruction that defines the specified register is a PHI instruction.

static MachineInstr *	ValueIsNewPHI (Register Val, MachineSSAUpdater *Updater)
	ValueIsNewPHI - Like ValueIsPHI but also check if the PHI has no source operands, i.e., it was just added.

static Register	GetPHIValue (MachineInstr *PHI)
	GetPHIValue - For the specified PHI instruction, return the register that it defines.

Detailed Description

SSAUpdaterTraits<MachineSSAUpdater> - Traits for the SSAUpdaterImpl template, specialized for MachineSSAUpdater.

Definition at line 263 of file MachineSSAUpdater.cpp.

Member Typedef Documentation

◆ BlkSucc_iterator

using llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkSucc_iterator = MachineBasicBlock::succ_iterator

Definition at line 268 of file MachineSSAUpdater.cpp.

◆ BlkT

using llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkT = MachineBasicBlock

Definition at line 265 of file MachineSSAUpdater.cpp.

◆ PhiT

using llvm::SSAUpdaterTraits< MachineSSAUpdater >::PhiT = MachineInstr

Definition at line 267 of file MachineSSAUpdater.cpp.

◆ ValT

using llvm::SSAUpdaterTraits< MachineSSAUpdater >::ValT = Register

Definition at line 266 of file MachineSSAUpdater.cpp.

Member Function Documentation

◆ AddPHIOperand()

static void llvm::SSAUpdaterTraits< MachineSSAUpdater >::AddPHIOperand	(	MachineInstr *	PHI,
		Register	Val,
		MachineBasicBlock *	Pred
	)

inlinestatic

AddPHIOperand - Add the specified value as an operand of the PHI for the specified predecessor block.

Definition at line 333 of file MachineSSAUpdater.cpp.

References llvm::MachineInstrBuilder::addMBB(), llvm::MachineInstrBuilder::addReg(), llvm::MachineBasicBlock::getParent(), and PHI.

◆ BlkSucc_begin()

static BlkSucc_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkSucc_begin ( BlkT * BB )

inlinestatic

Definition at line 270 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::succ_begin().

◆ BlkSucc_end()

static BlkSucc_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkSucc_end ( BlkT * BB )

inlinestatic

Definition at line 271 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::succ_end().

◆ CreateEmptyPHI()

static Register llvm::SSAUpdaterTraits< MachineSSAUpdater >::CreateEmptyPHI	(	MachineBasicBlock *	BB,
		unsigned	NumPreds,
		MachineSSAUpdater *	Updater
	)

inlinestatic

CreateEmptyPHI - Create a PHI instruction that defines a new register.

Add it into the specified block and return the register.

Definition at line 322 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::empty(), llvm::MachineBasicBlock::end(), InsertNewDef(), and PHI.

◆ FindPredecessorBlocks()

static void llvm::SSAUpdaterTraits< MachineSSAUpdater >::FindPredecessorBlocks	(	MachineBasicBlock *	BB,
		SmallVectorImpl< MachineBasicBlock * > *	Preds
	)

inlinestatic

FindPredecessorBlocks - Put the predecessors of BB into the Preds vector.

Definition at line 304 of file MachineSSAUpdater.cpp.

References llvm::append_range(), and llvm::MachineBasicBlock::predecessors().

◆ GetPHIValue()

static Register llvm::SSAUpdaterTraits< MachineSSAUpdater >::GetPHIValue ( MachineInstr * PHI )

inlinestatic

GetPHIValue - For the specified PHI instruction, return the register that it defines.

Definition at line 362 of file MachineSSAUpdater.cpp.

References PHI.

◆ GetPoisonVal()

static Register llvm::SSAUpdaterTraits< MachineSSAUpdater >::GetPoisonVal	(	MachineBasicBlock *	BB,
		MachineSSAUpdater *	Updater
	)

inlinestatic

GetPoisonVal - Create an IMPLICIT_DEF instruction with a new register.

Add it into the specified block and return the register.

Definition at line 311 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::getFirstNonPHI(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and InsertNewDef().

◆ InstrIsPHI()

static MachineInstr * llvm::SSAUpdaterTraits< MachineSSAUpdater >::InstrIsPHI ( MachineInstr * I )

inlinestatic

InstrIsPHI - Check if an instruction is a PHI.

Definition at line 339 of file MachineSSAUpdater.cpp.

References I.

◆ PHI_begin()

static PHI_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::PHI_begin ( PhiT * PHI )

inlinestatic

Definition at line 296 of file MachineSSAUpdater.cpp.

References PHI.

◆ PHI_end()

static PHI_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::PHI_end ( PhiT * PHI )

inlinestatic

Definition at line 298 of file MachineSSAUpdater.cpp.

References PHI.

◆ ValueIsNewPHI()

static MachineInstr * llvm::SSAUpdaterTraits< MachineSSAUpdater >::ValueIsNewPHI	(	Register	Val,
		MachineSSAUpdater *	Updater
	)

inlinestatic

ValueIsNewPHI - Like ValueIsPHI but also check if the PHI has no source operands, i.e., it was just added.

Definition at line 353 of file MachineSSAUpdater.cpp.

References PHI.

◆ ValueIsPHI()

static MachineInstr * llvm::SSAUpdaterTraits< MachineSSAUpdater >::ValueIsPHI	(	Register	Val,
		MachineSSAUpdater *	Updater
	)

inlinestatic

ValueIsPHI - Check if the instruction that defines the specified register is a PHI instruction.

Definition at line 347 of file MachineSSAUpdater.cpp.

References llvm::MachineRegisterInfo::getVRegDef().

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

lib/CodeGen/MachineSSAUpdater.cpp

Classes

Public Types

Static Public Member Functions

Detailed Description

Member Typedef Documentation

◆ BlkSucc_iterator

◆ BlkT

◆ PhiT

◆ ValT

Member Function Documentation

◆ AddPHIOperand()

◆ BlkSucc_begin()

◆ BlkSucc_end()

◆ CreateEmptyPHI()

◆ FindPredecessorBlocks()

◆ GetPHIValue()

◆ GetPoisonVal()

◆ InstrIsPHI()

◆ PHI_begin()

◆ PHI_end()

◆ ValueIsNewPHI()

◆ ValueIsPHI()