LLVM 22.0.0git
llvm::SCEVZeroExtendExpr Class Reference

This class represents a zero extension of a small integer value to a larger integer value. More...

#include "llvm/Analysis/ScalarEvolutionExpressions.h"

Inheritance diagram for llvm::SCEVZeroExtendExpr:
[legend]

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
LLVM_ABI TypegetType () const
 Return the LLVM type of this SCEV expression.
LLVM_ABI ArrayRef< const SCEV * > operands () const
 Return operands of this SCEV expression.
LLVM_ABI bool isZero () const
 Return true if the expression is a constant zero.
LLVM_ABI bool isOne () const
 Return true if the expression is a constant one.
LLVM_ABI bool isAllOnesValue () const
 Return true if the expression is a constant all-ones value.
LLVM_ABI bool isNonConstantNegative () const
 Return true if the specified scev is negated, but not a constant.
unsigned short getExpressionSize () const
LLVM_ABI void print (raw_ostream &OS) const
 Print out the internal representation of this scalar to the specified stream.
LLVM_ABI 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
LLVM_ABI SCEVIntegralCastExpr (const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy, const SCEV *op, Type *ty)
Protected Member Functions inherited from llvm::SCEVCastExpr
LLVM_ABI 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 zero extension of a small integer value to a larger integer value.

Definition at line 169 of file ScalarEvolutionExpressions.h.

Member Function Documentation

◆ classof()

bool llvm::SCEVZeroExtendExpr::classof ( const SCEV * S)
inlinestatic

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

Definition at line 176 of file ScalarEvolutionExpressions.h.

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

◆ ScalarEvolution

friend class ScalarEvolution
friend

Definition at line 170 of file ScalarEvolutionExpressions.h.

References op, and ScalarEvolution.

Referenced by ScalarEvolution.


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