LLVM 20.0.0git
Static Public Member Functions | Friends | List of all members
llvm::SCEVTruncateExpr Class Reference

This class represents a truncation of an integer value to a smaller integer value. More...

#include "llvm/Analysis/ScalarEvolutionExpressions.h"

Inheritance diagram for llvm::SCEVTruncateExpr:
Inheritance graph
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Static Public Member Functions

static bool classof (const SCEV *S)
 Methods for support type inquiry through isa, cast, and dyn_cast:
 
- Static Public Member Functions inherited from llvm::SCEVIntegralCastExpr
static bool classof (const SCEV *S)
 Methods for support type inquiry through isa, cast, and dyn_cast:
 
- Static Public Member Functions inherited from llvm::SCEVCastExpr
static bool classof (const SCEV *S)
 Methods for support type inquiry through isa, cast, and dyn_cast:
 

Friends

class ScalarEvolution
 

Additional Inherited Members

- Public Types inherited from llvm::SCEV
enum  NoWrapFlags {
  FlagAnyWrap = 0 , FlagNW = (1 << 0) , FlagNUW = (1 << 1) , FlagNSW = (1 << 2) ,
  NoWrapMask = (1 << 3) - 1
}
 NoWrapFlags are bitfield indices into SubclassData. More...
 
- Public Member Functions inherited from llvm::SCEVCastExpr
const SCEVgetOperand () const
 
const SCEVgetOperand (unsigned i) const
 
ArrayRef< const SCEV * > operands () const
 
size_t getNumOperands () const
 
TypegetType () const
 
- Public Member Functions inherited from llvm::SCEV
 SCEV (const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy, unsigned short ExpressionSize)
 
 SCEV (const SCEV &)=delete
 
SCEVoperator= (const SCEV &)=delete
 
SCEVTypes getSCEVType () const
 
TypegetType () const
 Return the LLVM type of this SCEV expression.
 
ArrayRef< const SCEV * > operands () const
 Return operands of this SCEV expression.
 
bool isZero () const
 Return true if the expression is a constant zero.
 
bool isOne () const
 Return true if the expression is a constant one.
 
bool isAllOnesValue () const
 Return true if the expression is a constant all-ones value.
 
bool isNonConstantNegative () const
 Return true if the specified scev is negated, but not a constant.
 
unsigned short getExpressionSize () const
 
void print (raw_ostream &OS) const
 Print out the internal representation of this scalar to the specified stream.
 
void dump () const
 This method is used for debugging.
 
- Public Member Functions inherited from llvm::FoldingSetBase::Node
 Node ()=default
 
void * getNextInBucket () const
 
void SetNextInBucket (void *N)
 
- Protected Member Functions inherited from llvm::SCEVIntegralCastExpr
 SCEVIntegralCastExpr (const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy, const SCEV *op, Type *ty)
 
- Protected Member Functions inherited from llvm::SCEVCastExpr
 SCEVCastExpr (const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy, const SCEV *op, Type *ty)
 
- Protected Attributes inherited from llvm::SCEVCastExpr
const SCEVOp
 
TypeTy
 
- Protected Attributes inherited from llvm::SCEV
const unsigned short ExpressionSize
 
unsigned short SubclassData = 0
 This field is initialized to zero and may be used in subclasses to store miscellaneous information.
 

Detailed Description

This class represents a truncation of an integer value to a smaller integer value.

Definition at line 156 of file ScalarEvolutionExpressions.h.

Member Function Documentation

◆ classof()

static bool llvm::SCEVTruncateExpr::classof ( const SCEV S)
inlinestatic

Methods for support type inquiry through isa, cast, and dyn_cast:

Definition at line 163 of file ScalarEvolutionExpressions.h.

References llvm::SCEV::getSCEVType(), and llvm::scTruncate.

Friends And Related Function Documentation

◆ ScalarEvolution

friend class ScalarEvolution
friend

Definition at line 157 of file ScalarEvolutionExpressions.h.


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