LLVM 20.0.0git
Public Member Functions | Protected Attributes | List of all members
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 >:
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Public Member Functions

 SCEVRewriteVisitor (ScalarEvolution &SE)
 
const SCEV * visit (const SCEV *S)
 
const SCEV * visitConstant (const SCEVConstant *Constant)
 
const SCEV * visitVScale (const SCEVVScale *VScale)
 
const SCEV * visitPtrToIntExpr (const SCEVPtrToIntExpr *Expr)
 
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 * visitSMinExpr (const SCEVSMinExpr *Expr)
 
const SCEV * visitUMinExpr (const SCEVUMinExpr *Expr)
 
const SCEV * visitSequentialUMinExpr (const SCEVSequentialUMinExpr *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
 
SmallDenseMap< 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 747 of file ScalarEvolutionExpressions.h.

Constructor & Destructor Documentation

◆ SCEVRewriteVisitor()

template<typename SC >
llvm::SCEVRewriteVisitor< SC >::SCEVRewriteVisitor ( ScalarEvolution &  SE)
inline

Definition at line 758 of file ScalarEvolutionExpressions.h.

Member Function Documentation

◆ visit()

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

Definition at line 760 of file ScalarEvolutionExpressions.h.

References assert(), llvm::SCEVRewriteVisitor< SC >::RewriteResults, and llvm::SCEVVisitor< SC, RetVal >::visit().

Referenced by llvm::SCEVRewriteVisitor< SC >::visitAddExpr(), llvm::SCEVRewriteVisitor< SC >::visitAddRecExpr(), llvm::SCEVRewriteVisitor< SC >::visitMulExpr(), llvm::SCEVRewriteVisitor< SC >::visitSequentialUMinExpr(), llvm::SCEVRewriteVisitor< SC >::visitSMaxExpr(), llvm::SCEVRewriteVisitor< SC >::visitSMinExpr(), llvm::SCEVRewriteVisitor< SC >::visitUMaxExpr(), and llvm::SCEVRewriteVisitor< SC >::visitUMinExpr().

◆ visitAddExpr()

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

Definition at line 802 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getAddExpr(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

◆ visitAddRecExpr()

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

Definition at line 829 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getAddRecExpr(), llvm::SCEVAddRecExpr::getLoop(), llvm::SCEVNAryExpr::getNoWrapFlags(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

◆ visitConstant()

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

Definition at line 770 of file ScalarEvolutionExpressions.h.

◆ visitCouldNotCompute()

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

Definition at line 893 of file ScalarEvolutionExpressions.h.

◆ visitMulExpr()

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

Definition at line 812 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getMulExpr(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

◆ visitPtrToIntExpr()

template<typename SC >
const SCEV * llvm::SCEVRewriteVisitor< SC >::visitPtrToIntExpr ( const SCEVPtrToIntExpr *  Expr)
inline

Definition at line 774 of file ScalarEvolutionExpressions.h.

References llvm::SCEVCastExpr::getOperand(), llvm::ScalarEvolution::getPtrToIntExpr(), llvm::SCEVCastExpr::getType(), and llvm::SCEVRewriteVisitor< SC >::SE.

◆ visitSequentialUMinExpr()

template<typename SC >
const SCEV * llvm::SCEVRewriteVisitor< SC >::visitSequentialUMinExpr ( const SCEVSequentialUMinExpr *  Expr)
inline

Definition at line 881 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getUMinExpr(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

◆ visitSignExtendExpr()

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

Definition at line 795 of file ScalarEvolutionExpressions.h.

References llvm::SCEVCastExpr::getOperand(), llvm::ScalarEvolution::getSignExtendExpr(), llvm::SCEVCastExpr::getType(), and llvm::SCEVRewriteVisitor< SC >::SE.

Referenced by llvm::ScalarEvolution::LoopGuards::rewrite().

◆ visitSMaxExpr()

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

Definition at line 841 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getSMaxExpr(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

◆ visitSMinExpr()

template<typename SC >
const SCEV * llvm::SCEVRewriteVisitor< SC >::visitSMinExpr ( const SCEVSMinExpr *  Expr)
inline

Definition at line 861 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getSMinExpr(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

Referenced by llvm::ScalarEvolution::LoopGuards::rewrite().

◆ visitTruncateExpr()

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

Definition at line 781 of file ScalarEvolutionExpressions.h.

References llvm::SCEVCastExpr::getOperand(), llvm::ScalarEvolution::getTruncateExpr(), llvm::SCEVCastExpr::getType(), and llvm::SCEVRewriteVisitor< SC >::SE.

◆ visitUDivExpr()

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

Definition at line 822 of file ScalarEvolutionExpressions.h.

References llvm::SCEVUDivExpr::getLHS(), llvm::SCEVUDivExpr::getRHS(), llvm::ScalarEvolution::getUDivExpr(), LHS, RHS, and llvm::SCEVRewriteVisitor< SC >::SE.

◆ visitUMaxExpr()

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

Definition at line 851 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getUMaxExpr(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

◆ visitUMinExpr()

template<typename SC >
const SCEV * llvm::SCEVRewriteVisitor< SC >::visitUMinExpr ( const SCEVUMinExpr *  Expr)
inline

Definition at line 871 of file ScalarEvolutionExpressions.h.

References llvm::ScalarEvolution::getUMinExpr(), llvm::SCEVNAryExpr::operands(), Operands, llvm::SCEVRewriteVisitor< SC >::SE, and llvm::SCEVRewriteVisitor< SC >::visit().

Referenced by llvm::ScalarEvolution::LoopGuards::rewrite().

◆ visitUnknown()

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

Definition at line 891 of file ScalarEvolutionExpressions.h.

◆ visitVScale()

template<typename SC >
const SCEV * llvm::SCEVRewriteVisitor< SC >::visitVScale ( const SCEVVScale *  VScale)
inline

Definition at line 772 of file ScalarEvolutionExpressions.h.

◆ visitZeroExtendExpr()

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

Definition at line 788 of file ScalarEvolutionExpressions.h.

References llvm::SCEVCastExpr::getOperand(), llvm::SCEVCastExpr::getType(), llvm::ScalarEvolution::getZeroExtendExpr(), and llvm::SCEVRewriteVisitor< SC >::SE.

Referenced by llvm::ScalarEvolution::LoopGuards::rewrite().

Member Data Documentation

◆ RewriteResults

template<typename SC >
SmallDenseMap<const SCEV *, const SCEV *> llvm::SCEVRewriteVisitor< SC >::RewriteResults
protected

Definition at line 755 of file ScalarEvolutionExpressions.h.

Referenced by llvm::SCEVRewriteVisitor< SC >::visit().

◆ SE

template<typename SC >
ScalarEvolution& llvm::SCEVRewriteVisitor< SC >::SE
protected

Definition at line 749 of file ScalarEvolutionExpressions.h.

Referenced by llvm::SCEVRewriteVisitor< SC >::visitAddExpr(), llvm::SCEVRewriteVisitor< SC >::visitAddRecExpr(), llvm::SCEVRewriteVisitor< SC >::visitMulExpr(), llvm::SCEVRewriteVisitor< SC >::visitPtrToIntExpr(), llvm::SCEVRewriteVisitor< SC >::visitSequentialUMinExpr(), llvm::SCEVRewriteVisitor< SC >::visitSignExtendExpr(), llvm::SCEVRewriteVisitor< SC >::visitSMaxExpr(), llvm::SCEVRewriteVisitor< SC >::visitSMinExpr(), llvm::SCEVRewriteVisitor< SC >::visitTruncateExpr(), llvm::SCEVRewriteVisitor< SC >::visitUDivExpr(), llvm::SCEVRewriteVisitor< SC >::visitUMaxExpr(), llvm::SCEVRewriteVisitor< SC >::visitUMinExpr(), and llvm::SCEVRewriteVisitor< SC >::visitZeroExtendExpr().

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