llvm::SCEVCastExpr Class Reference

This is the base class for unary cast operator classes. More...

#include "llvm/Analysis/ScalarEvolutionExpressions.h"

Inheritance diagram for llvm::SCEVCastExpr:

Public Member Functions
const SCEV *	getOperand () const
const SCEV *	getOperand (unsigned i) const
ArrayRef< const SCEV * >	operands () const
size_t	getNumOperands () 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:

Protected Member Functions
LLVM_ABI	SCEVCastExpr (const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy, const SCEV *op, Type *ty)

Protected Attributes
const SCEV *	Op
Type *	Ty
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.

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...

Detailed Description

This is the base class for unary cast operator classes.

Definition at line 104 of file ScalarEvolutionExpressions.h.

Constructor & Destructor Documentation

SCEVCastExpr()

SCEVCastExpr::SCEVCastExpr ( const FoldingSetNodeIDRef ID, SCEVTypes SCEVTy, const SCEV * op, Type * ty )

protected

Definition at line 511 of file ScalarEvolution.cpp.

References llvm::computeExpressionSize(), Op, op, llvm::SCEV::SCEV(), and Ty.

Referenced by llvm::SCEVIntegralCastExpr::SCEVIntegralCastExpr().

Member Function Documentation

classof()

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

inlinestatic

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

Definition at line 123 of file ScalarEvolutionExpressions.h.

References llvm::SCEV::getSCEVType(), llvm::SCEV::SCEV(), llvm::scPtrToInt, llvm::scSignExtend, llvm::scTruncate, and llvm::scZeroExtend.

getNumOperands()

size_t llvm::SCEVCastExpr::getNumOperands ( ) const

inline

Definition at line 119 of file ScalarEvolutionExpressions.h.

getOperand() [1/2]

const SCEV * llvm::SCEVCastExpr::getOperand ( ) const

inline

Definition at line 113 of file ScalarEvolutionExpressions.h.

References Op, and llvm::SCEV::SCEV().

Referenced by BuildConstantFromSCEV(), isSimpleCastedPHI(), llvm::SCEV::print(), llvm::ScalarEvolution::LoopGuards::rewrite(), llvm::SCEVRewriteVisitor< SC >::visitPtrToIntExpr(), llvm::SCEVRewriteVisitor< SC >::visitSignExtendExpr(), llvm::SCEVRewriteVisitor< SC >::visitTruncateExpr(), and llvm::SCEVRewriteVisitor< SC >::visitZeroExtendExpr().

getOperand() [2/2]

const SCEV * llvm::SCEVCastExpr::getOperand ( unsigned i ) const

inline

Definition at line 114 of file ScalarEvolutionExpressions.h.

References assert(), Op, and llvm::SCEV::SCEV().

getType()

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

inline

Definition at line 120 of file ScalarEvolutionExpressions.h.

References Ty.

Referenced by BuildConstantFromSCEV(), isSimpleCastedPHI(), llvm::SCEV::print(), llvm::ScalarEvolution::LoopGuards::rewrite(), llvm::SCEVRewriteVisitor< SC >::visitPtrToIntExpr(), llvm::SCEVRewriteVisitor< SC >::visitSignExtendExpr(), llvm::SCEVRewriteVisitor< SC >::visitTruncateExpr(), and llvm::SCEVRewriteVisitor< SC >::visitZeroExtendExpr().

operands()

ArrayRef< const SCEV * > llvm::SCEVCastExpr::operands ( ) const

inline

Definition at line 118 of file ScalarEvolutionExpressions.h.

References Op.

Member Data Documentation

Op

const SCEV* llvm::SCEVCastExpr::Op

protected

Definition at line 106 of file ScalarEvolutionExpressions.h.

Referenced by getOperand(), getOperand(), operands(), llvm::SCEVPtrToIntExpr::ScalarEvolution, and SCEVCastExpr().

Ty

Type* llvm::SCEVCastExpr::Ty

protected

Definition at line 107 of file ScalarEvolutionExpressions.h.

Referenced by getType(), and SCEVCastExpr().

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

• include/llvm/Analysis/ScalarEvolutionExpressions.h
• lib/Analysis/ScalarEvolution.cpp