llvm::SSAUpdaterTraits< MachineSSAUpdater > Class Template Reference

List of all members.

Classes
class	PHI_iterator
	Iterator for PHI operands. More...
Public Types
typedef MachineBasicBlock	BlkT
typedef unsigned	ValT
typedef MachineInstr	PhiT
typedef MachineBasicBlock::succ_iterator	BlkSucc_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)
static unsigned	GetUndefVal (MachineBasicBlock *BB, MachineSSAUpdater *Updater)
static unsigned	CreateEmptyPHI (MachineBasicBlock *BB, unsigned NumPreds, MachineSSAUpdater *Updater)
static void	AddPHIOperand (MachineInstr *PHI, unsigned Val, MachineBasicBlock *Pred)
static MachineInstr *	InstrIsPHI (MachineInstr *I)
static MachineInstr *	ValueIsPHI (unsigned Val, MachineSSAUpdater *Updater)
static MachineInstr *	ValueIsNewPHI (unsigned Val, MachineSSAUpdater *Updater)
static unsigned	GetPHIValue (MachineInstr *PHI)

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Detailed Description

template<>
class llvm::SSAUpdaterTraits< MachineSSAUpdater >

Definition at line 240 of file MachineSSAUpdater.cpp.

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Member Typedef Documentation

typedef MachineBasicBlock::succ_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkSucc_iterator

Definition at line 246 of file MachineSSAUpdater.cpp.

typedef MachineBasicBlock llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkT

Definition at line 242 of file MachineSSAUpdater.cpp.

typedef MachineInstr llvm::SSAUpdaterTraits< MachineSSAUpdater >::PhiT

Definition at line 244 of file MachineSSAUpdater.cpp.

typedef unsigned llvm::SSAUpdaterTraits< MachineSSAUpdater >::ValT

Definition at line 243 of file MachineSSAUpdater.cpp.

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Member Function Documentation

static void llvm::SSAUpdaterTraits< MachineSSAUpdater >::AddPHIOperand	(	MachineInstr *	PHI,
		unsigned	Val,
		MachineBasicBlock *	Pred
	)		[inline, static]

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

Definition at line 309 of file MachineSSAUpdater.cpp.

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

static BlkSucc_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkSucc_begin

(

BlkT *

BB

)

[inline, static]

Definition at line 247 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::succ_begin().

static BlkSucc_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkSucc_end

(

BlkT *

BB

)

[inline, static]

Definition at line 248 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::succ_end().

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

CreateEmptyPHI - Create a PHI instruction that defines a new register. Add it into the specified block and return the register.

Definition at line 298 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::empty(), llvm::MachineBasicBlock::end(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), InsertNewDef(), and llvm::TargetOpcode::PHI.

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

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

Definition at line 277 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::pred_begin(), llvm::MachineBasicBlock::pred_end(), and llvm::SmallVectorTemplateBase< T, isPodLike >::push_back().

static unsigned llvm::SSAUpdaterTraits< MachineSSAUpdater >::GetPHIValue

(

MachineInstr *

PHI

)

[inline, static]

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

Definition at line 339 of file MachineSSAUpdater.cpp.

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

static unsigned llvm::SSAUpdaterTraits< MachineSSAUpdater >::GetUndefVal	(	MachineBasicBlock *	BB,
		MachineSSAUpdater *	Updater
	)		[inline, static]

GetUndefVal - Create an IMPLICIT_DEF instruction with a new register. Add it into the specified block and return the register.

Definition at line 286 of file MachineSSAUpdater.cpp.

References llvm::MachineBasicBlock::getFirstTerminator(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::TargetOpcode::IMPLICIT_DEF, and InsertNewDef().

static MachineInstr* llvm::SSAUpdaterTraits< MachineSSAUpdater >::InstrIsPHI

(

MachineInstr *

I

)

[inline, static]

InstrIsPHI - Check if an instruction is a PHI.

Definition at line 316 of file MachineSSAUpdater.cpp.

References llvm::MachineInstr::isPHI().

static PHI_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::PHI_begin

(

PhiT *

PHI

)

[inline, static]

Definition at line 270 of file MachineSSAUpdater.cpp.

static PHI_iterator llvm::SSAUpdaterTraits< MachineSSAUpdater >::PHI_end

(

PhiT *

PHI

)

[inline, static]

Definition at line 271 of file MachineSSAUpdater.cpp.

static MachineInstr* llvm::SSAUpdaterTraits< MachineSSAUpdater >::ValueIsNewPHI	(	unsigned	Val,
		MachineSSAUpdater *	Updater
	)		[inline, static]

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

Definition at line 330 of file MachineSSAUpdater.cpp.

References llvm::MachineInstr::getNumOperands(), and llvm::TargetOpcode::PHI.

static MachineInstr* llvm::SSAUpdaterTraits< MachineSSAUpdater >::ValueIsPHI	(	unsigned	Val,
		MachineSSAUpdater *	Updater
	)		[inline, static]

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

Definition at line 324 of file MachineSSAUpdater.cpp.

References llvm::MachineRegisterInfo::getVRegDef().

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

• MachineSSAUpdater.cpp