llvm::DivergenceInfo Class Reference

#include "llvm/Analysis/DivergenceAnalysis.h"

Public Member Functions
	DivergenceInfo (Function &F, const DominatorTree &DT, const PostDominatorTree &PDT, const LoopInfo &LI, const TargetTransformInfo &TTI, bool KnownReducible)
bool	hasDivergence () const
	Whether any divergence was detected.
const Function &	getFunction () const
	The GPU kernel this analysis result is for.
bool	isDivergent (const Value &V) const
	Whether V is divergent at its definition.
bool	isDivergentUse (const Use &U) const
	Whether U is divergent. Uses of a uniform value can be divergent.
bool	isUniform (const Value &V) const
	Whether V is uniform/non-divergent.
bool	isUniformUse (const Use &U) const
	Whether U is uniform/non-divergent.

Detailed Description

Definition at line 142 of file DivergenceAnalysis.h.

Constructor & Destructor Documentation

DivergenceInfo()

DivergenceInfo::DivergenceInfo	(	Function &	F,
		const DominatorTree &	DT,
		const PostDominatorTree &	PDT,
		const LoopInfo &	LI,
		const TargetTransformInfo &	TTI,
		bool	KnownReducible
	)

Definition at line 346 of file DivergenceAnalysis.cpp.

References Arg, llvm::containsIrreducibleCFG(), F, I, instructions, llvm::TargetTransformInfo::isAlwaysUniform(), and llvm::TargetTransformInfo::isSourceOfDivergence().

Member Function Documentation

getFunction()

const Function & llvm::DivergenceInfo::getFunction ( ) const

inline

The GPU kernel this analysis result is for.

Definition at line 164 of file DivergenceAnalysis.h.

References F.

hasDivergence()

bool llvm::DivergenceInfo::hasDivergence ( ) const

inline

Whether any divergence was detected.

Definition at line 159 of file DivergenceAnalysis.h.

isDivergent()

bool llvm::DivergenceInfo::isDivergent ( const Value &  V ) const

inline

Whether V is divergent at its definition.

Definition at line 167 of file DivergenceAnalysis.h.

Referenced by isUniform().

isDivergentUse()

bool llvm::DivergenceInfo::isDivergentUse ( const Use &  U ) const

inline

Whether U is divergent. Uses of a uniform value can be divergent.

Definition at line 172 of file DivergenceAnalysis.h.

Referenced by isUniformUse().

isUniform()

bool llvm::DivergenceInfo::isUniform ( const Value &  V ) const

inline

Whether V is uniform/non-divergent.

Definition at line 177 of file DivergenceAnalysis.h.

References isDivergent().

isUniformUse()

bool llvm::DivergenceInfo::isUniformUse ( const Use &  U ) const

inline

Whether U is uniform/non-divergent.

Uses of a uniform value can be divergent.

Definition at line 181 of file DivergenceAnalysis.h.

References isDivergentUse().

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

• include/llvm/Analysis/DivergenceAnalysis.h
• lib/Analysis/DivergenceAnalysis.cpp