llvm::SCEVRewriteVisitor< SC > Class Template Reference

This visitor recursively visits a SCEV expression and re-writes it. More...

#include "llvm/Analysis/ScalarEvolutionExpressions.h"

Inheritance diagram for llvm::SCEVRewriteVisitor< SC >:

Collaboration diagram for llvm::SCEVRewriteVisitor< SC >:

Public Member Functions
	SCEVRewriteVisitor (ScalarEvolution &SE)
const SCEV *	visit (const SCEV *S)
const SCEV *	visitConstant (const SCEVConstant *Constant)
const SCEV *	visitTruncateExpr (const SCEVTruncateExpr *Expr)
const SCEV *	visitZeroExtendExpr (const SCEVZeroExtendExpr *Expr)
const SCEV *	visitSignExtendExpr (const SCEVSignExtendExpr *Expr)
const SCEV *	visitAddExpr (const SCEVAddExpr *Expr)
const SCEV *	visitMulExpr (const SCEVMulExpr *Expr)
const SCEV *	visitUDivExpr (const SCEVUDivExpr *Expr)
const SCEV *	visitAddRecExpr (const SCEVAddRecExpr *Expr)
const SCEV *	visitSMaxExpr (const SCEVSMaxExpr *Expr)
const SCEV *	visitUMaxExpr (const SCEVUMaxExpr *Expr)
const SCEV *	visitUnknown (const SCEVUnknown *Expr)
const SCEV *	visitCouldNotCompute (const SCEVCouldNotCompute *Expr)
Public Member Functions inherited from llvm::SCEVVisitor< SC, const SCEV *>
const SCEV *	visit (const SCEV *S)
const SCEV *	visitCouldNotCompute (const SCEVCouldNotCompute *S)

Protected Attributes
ScalarEvolution &	SE
DenseMap< const SCEV *, const SCEV * >	RewriteResults

Detailed Description

template<typename SC>
class llvm::SCEVRewriteVisitor< SC >

This visitor recursively visits a SCEV expression and re-writes it.

The result from each visit is cached, so it will return the same SCEV for the same input.

Definition at line 577 of file ScalarEvolutionExpressions.h.

Constructor & Destructor Documentation

SCEVRewriteVisitor()

template<typename SC>

llvm::SCEVRewriteVisitor< SC >::SCEVRewriteVisitor ( ScalarEvolution &  SE )

inline

Definition at line 588 of file ScalarEvolutionExpressions.h.

Member Function Documentation

visit()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visit ( const SCEV *  S )

inline

Definition at line 590 of file ScalarEvolutionExpressions.h.

Referenced by llvm::SCEVParameterRewriter::rewrite(), and llvm::SCEVLoopAddRecRewriter::rewrite().

visitAddExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitAddExpr ( const SCEVAddExpr *  Expr )

inline

Definition at line 625 of file ScalarEvolutionExpressions.h.

visitAddRecExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitAddRecExpr ( const SCEVAddRecExpr *  Expr )

inline

Definition at line 652 of file ScalarEvolutionExpressions.h.

visitConstant()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitConstant ( const SCEVConstant *  Constant )

inline

Definition at line 600 of file ScalarEvolutionExpressions.h.

visitCouldNotCompute()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitCouldNotCompute ( const SCEVCouldNotCompute *  Expr )

inline

Definition at line 688 of file ScalarEvolutionExpressions.h.

visitMulExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitMulExpr ( const SCEVMulExpr *  Expr )

inline

Definition at line 635 of file ScalarEvolutionExpressions.h.

visitSignExtendExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitSignExtendExpr ( const SCEVSignExtendExpr *  Expr )

inline

Definition at line 618 of file ScalarEvolutionExpressions.h.

visitSMaxExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitSMaxExpr ( const SCEVSMaxExpr *  Expr )

inline

Definition at line 664 of file ScalarEvolutionExpressions.h.

visitTruncateExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitTruncateExpr ( const SCEVTruncateExpr *  Expr )

inline

Definition at line 604 of file ScalarEvolutionExpressions.h.

visitUDivExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitUDivExpr ( const SCEVUDivExpr *  Expr )

inline

Definition at line 645 of file ScalarEvolutionExpressions.h.

visitUMaxExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitUMaxExpr ( const SCEVUMaxExpr *  Expr )

inline

Definition at line 674 of file ScalarEvolutionExpressions.h.

visitUnknown()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitUnknown ( const SCEVUnknown *  Expr )

inline

Definition at line 684 of file ScalarEvolutionExpressions.h.

visitZeroExtendExpr()

template<typename SC>

const SCEV* llvm::SCEVRewriteVisitor< SC >::visitZeroExtendExpr ( const SCEVZeroExtendExpr *  Expr )

inline

Definition at line 611 of file ScalarEvolutionExpressions.h.

Member Data Documentation

RewriteResults

template<typename SC>

DenseMap<const SCEV *, const SCEV *> llvm::SCEVRewriteVisitor< SC >::RewriteResults

protected

Definition at line 585 of file ScalarEvolutionExpressions.h.

SE

template<typename SC>

ScalarEvolution& llvm::SCEVRewriteVisitor< SC >::SE

protected

Definition at line 579 of file ScalarEvolutionExpressions.h.

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

• include/llvm/Analysis/ScalarEvolutionExpressions.h