llvm::SCEVConstant Class Reference

This class represents a constant integer value. More...

#include "llvm/Analysis/ScalarEvolutionExpressions.h"

Inheritance diagram for llvm::SCEVConstant:

Public Member Functions
ConstantInt *	getValue () const
const APInt &	getAPInt () const
Type *	getType () const
Public Member Functions inherited from llvm::SCEV
	SCEV (const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy, unsigned short ExpressionSize)
	SCEV (const SCEV &)=delete
SCEV &	operator= (const SCEV &)=delete
SCEVTypes	getSCEVType () const
LLVM_ABI Type *	getType () 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)

Static Public Member Functions
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...
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 constant integer value.

Definition at line 61 of file ScalarEvolutionExpressions.h.

Member Function Documentation

classof()

bool llvm::SCEVConstant::classof ( const SCEV * S )

inlinestatic

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

Definition at line 76 of file ScalarEvolutionExpressions.h.

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

getAPInt()

const APInt & llvm::SCEVConstant::getAPInt ( ) const

inline

Definition at line 71 of file ScalarEvolutionExpressions.h.

References llvm::ConstantInt::getValue(), and getValue().

Referenced by llvm::InterleavedAccessInfo::analyzeInterleaving(), canFoldIVIncExpr(), CompareSCEVComplexity(), constantFoldAndGroupOps(), extractConstantWithoutWrapping(), gcd(), getExactSDiv(), llvm::ScalarEvolution::getMulExpr(), GetQuadraticEquation(), getStoreStride(), llvm::ScalarEvolution::getUDivExpr(), llvm::TargetTransformInfoImplBase::isConstantStridedAccessLessThan(), llvm::SCEV::isNonConstantNegative(), isRemainderZero(), and llvm::SCEVDivision::visitConstant().

getType()

Type * llvm::SCEVConstant::getType ( ) const

inline

Definition at line 73 of file ScalarEvolutionExpressions.h.

getValue()

ConstantInt * llvm::SCEVConstant::getValue ( ) const

inline

Definition at line 70 of file ScalarEvolutionExpressions.h.

Referenced by canFoldIVIncExpr(), getAPInt(), getConstantTripCount(), llvm::IndexedReference::hasSpacialReuse(), and llvm::IndexedReference::hasTemporalReuse().

Friends And Related Symbol Documentation

ScalarEvolution

friend class ScalarEvolution

friend

Definition at line 62 of file ScalarEvolutionExpressions.h.

References ScalarEvolution, llvm::scConstant, and llvm::SCEV::SCEV().

Referenced by ScalarEvolution.

---

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

• include/llvm/Analysis/ScalarEvolutionExpressions.h