A specialized derived class of inner loop vectorizer that performs vectorization of main loops in the process of vectorizing loops and their epilogues. More...

Inheritance diagram for llvm::EpilogueVectorizerMainLoop:

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Public Member Functions
	EpilogueVectorizerMainLoop (Loop OrigLoop, PredicatedScalarEvolution &PSE, LoopInfo LI, DominatorTree DT, const TargetTransformInfo TTI, AssumptionCache AC, EpilogueLoopVectorizationInfo &EPI, LoopVectorizationCostModel CM, GeneratedRTChecks &Check, VPlan &Plan)
Public Member Functions inherited from llvm::InnerLoopAndEpilogueVectorizer
	InnerLoopAndEpilogueVectorizer (Loop OrigLoop, PredicatedScalarEvolution &PSE, LoopInfo LI, DominatorTree DT, const TargetTransformInfo TTI, AssumptionCache AC, EpilogueLoopVectorizationInfo &EPI, LoopVectorizationCostModel CM, GeneratedRTChecks &Checks, VPlan &Plan, ElementCount VecWidth, ElementCount MinProfitableTripCount, unsigned UnrollFactor)
Public Member Functions inherited from llvm::InnerLoopVectorizer
	InnerLoopVectorizer (Loop OrigLoop, PredicatedScalarEvolution &PSE, LoopInfo LI, DominatorTree DT, const TargetTransformInfo TTI, AssumptionCache AC, ElementCount VecWidth, unsigned UnrollFactor, LoopVectorizationCostModel CM, GeneratedRTChecks &RTChecks, VPlan &Plan)
virtual	~InnerLoopVectorizer ()=default
virtual BasicBlock *	createVectorizedLoopSkeleton ()
	Creates a basic block for the scalar preheader.
void	fixVectorizedLoop (VPTransformState &State)
	Fix the vectorized code, taking care of header phi's, and more.
void	fixNonInductionPHIs (VPTransformState &State)
	Fix the non-induction PHIs in `Plan`.

Protected Member Functions
void	printDebugTracesAtStart () override
	Allow subclasses to override and print debug traces before/after vplan execution, when trace information is requested.
void	printDebugTracesAtEnd () override
Protected Member Functions inherited from llvm::InnerLoopVectorizer
BasicBlock *	createScalarPreheader (StringRef Prefix)
	Create and return a new IR basic block for the scalar preheader whose name is prefixed with `Prefix`.

Additional Inherited Members
Public Attributes inherited from llvm::InnerLoopAndEpilogueVectorizer
EpilogueLoopVectorizationInfo &	EPI
	Holds and updates state information required to vectorize the main loop and its epilogue in two separate passes.
Protected Attributes inherited from llvm::InnerLoopAndEpilogueVectorizer
ElementCount	MinProfitableTripCount
Protected Attributes inherited from llvm::InnerLoopVectorizer
Loop *	OrigLoop
	The original loop.
PredicatedScalarEvolution &	PSE
	A wrapper around ScalarEvolution used to add runtime SCEV checks.
LoopInfo *	LI
	Loop Info.
DominatorTree *	DT
	Dominator Tree.
const TargetTransformInfo *	TTI
	Target Transform Info.
AssumptionCache *	AC
	Assumption Cache.
ElementCount	VF
	The vectorization SIMD factor to use.
unsigned	UF
	The vectorization unroll factor to use.
IRBuilder	Builder
	The builder that we use.
LoopVectorizationCostModel *	Cost
	The profitablity analysis.
GeneratedRTChecks &	RTChecks
	Structure to hold information about generated runtime checks, responsible for cleaning the checks, if vectorization turns out unprofitable.
VPlan &	Plan
VPBasicBlock *	VectorPHVPBB
	The vector preheader block of `Plan`, used as target for check blocks introduced during skeleton creation.

Detailed Description

A specialized derived class of inner loop vectorizer that performs vectorization of main loops in the process of vectorizing loops and their epilogues.

Definition at line 690 of file LoopVectorize.cpp.

Constructor & Destructor Documentation

◆ EpilogueVectorizerMainLoop()

llvm::EpilogueVectorizerMainLoop::EpilogueVectorizerMainLoop	(	Loop *	OrigLoop,
		PredicatedScalarEvolution &	PSE,
		LoopInfo *	LI,
		DominatorTree *	DT,
		const TargetTransformInfo *	TTI,
		AssumptionCache *	AC,
		EpilogueLoopVectorizationInfo &	EPI,
		LoopVectorizationCostModel *	CM,
		GeneratedRTChecks &	Check,
		VPlan &	Plan )