llvm::CriticalEdgeSplittingOptions Struct Reference

Option class for critical edge splitting. More...

#include "llvm/Transforms/Utils/BasicBlockUtils.h"

Public Member Functions
	CriticalEdgeSplittingOptions (DominatorTree *DT=nullptr, LoopInfo *LI=nullptr, MemorySSAUpdater *MSSAU=nullptr, PostDominatorTree *PDT=nullptr)
CriticalEdgeSplittingOptions &	setMergeIdenticalEdges ()
CriticalEdgeSplittingOptions &	setKeepOneInputPHIs ()
CriticalEdgeSplittingOptions &	setPreserveLCSSA ()
CriticalEdgeSplittingOptions &	setIgnoreUnreachableDests ()
CriticalEdgeSplittingOptions &	unsetPreserveLoopSimplify ()

Public Attributes
DominatorTree *	DT
PostDominatorTree *	PDT
LoopInfo *	LI
MemorySSAUpdater *	MSSAU
bool	MergeIdenticalEdges = false
bool	KeepOneInputPHIs = false
bool	PreserveLCSSA = false
bool	IgnoreUnreachableDests = false
bool	PreserveLoopSimplify = true
	SplitCriticalEdge is guaranteed to preserve loop-simplify form if LI is provided.

Detailed Description

Option class for critical edge splitting.

This provides a builder interface for overriding the default options used during critical edge splitting.

Definition at line 145 of file BasicBlockUtils.h.

Constructor & Destructor Documentation

CriticalEdgeSplittingOptions()

llvm::CriticalEdgeSplittingOptions::CriticalEdgeSplittingOptions ( DominatorTree *  DT = nullptr, LoopInfo *  LI = nullptr, MemorySSAUpdater *  MSSAU = nullptr, PostDominatorTree *  PDT = nullptr  )

inline

Definition at line 159 of file BasicBlockUtils.h.

Member Function Documentation

setIgnoreUnreachableDests()

CriticalEdgeSplittingOptions & llvm::CriticalEdgeSplittingOptions::setIgnoreUnreachableDests ( )

inline

Definition at line 180 of file BasicBlockUtils.h.

References IgnoreUnreachableDests.

setKeepOneInputPHIs()

CriticalEdgeSplittingOptions & llvm::CriticalEdgeSplittingOptions::setKeepOneInputPHIs ( )

inline

Definition at line 170 of file BasicBlockUtils.h.

References KeepOneInputPHIs.

setMergeIdenticalEdges()

CriticalEdgeSplittingOptions & llvm::CriticalEdgeSplittingOptions::setMergeIdenticalEdges ( )

inline

Definition at line 165 of file BasicBlockUtils.h.

References MergeIdenticalEdges.

setPreserveLCSSA()

CriticalEdgeSplittingOptions & llvm::CriticalEdgeSplittingOptions::setPreserveLCSSA ( )

inline

Definition at line 175 of file BasicBlockUtils.h.

References PreserveLCSSA.

Referenced by llvm::SplitEdge().

unsetPreserveLoopSimplify()

CriticalEdgeSplittingOptions & llvm::CriticalEdgeSplittingOptions::unsetPreserveLoopSimplify ( )

inline

Definition at line 185 of file BasicBlockUtils.h.

References PreserveLoopSimplify.

Member Data Documentation

DT

DominatorTree* llvm::CriticalEdgeSplittingOptions::DT

Definition at line 146 of file BasicBlockUtils.h.

IgnoreUnreachableDests

bool llvm::CriticalEdgeSplittingOptions::IgnoreUnreachableDests = false

Definition at line 153 of file BasicBlockUtils.h.

Referenced by setIgnoreUnreachableDests().

KeepOneInputPHIs

bool llvm::CriticalEdgeSplittingOptions::KeepOneInputPHIs = false

Definition at line 151 of file BasicBlockUtils.h.

Referenced by setKeepOneInputPHIs().

LI

LoopInfo* llvm::CriticalEdgeSplittingOptions::LI

Definition at line 148 of file BasicBlockUtils.h.

MergeIdenticalEdges

bool llvm::CriticalEdgeSplittingOptions::MergeIdenticalEdges = false

Definition at line 150 of file BasicBlockUtils.h.

Referenced by setMergeIdenticalEdges().

MSSAU

MemorySSAUpdater* llvm::CriticalEdgeSplittingOptions::MSSAU

Definition at line 149 of file BasicBlockUtils.h.

PDT

PostDominatorTree* llvm::CriticalEdgeSplittingOptions::PDT

Definition at line 147 of file BasicBlockUtils.h.

PreserveLCSSA

bool llvm::CriticalEdgeSplittingOptions::PreserveLCSSA = false

Definition at line 152 of file BasicBlockUtils.h.

Referenced by setPreserveLCSSA().

PreserveLoopSimplify

bool llvm::CriticalEdgeSplittingOptions::PreserveLoopSimplify = true

SplitCriticalEdge is guaranteed to preserve loop-simplify form if LI is provided.

If it cannot be preserved, no splitting will take place. If it is not set, preserve loop-simplify form if possible.

Definition at line 157 of file BasicBlockUtils.h.

Referenced by unsetPreserveLoopSimplify().

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

• include/llvm/Transforms/Utils/BasicBlockUtils.h