LLVM: llvm::FastMathFlags Class Reference (original) (raw)

Convenience struct for specifying and reasoning about fast-math flags. More...

#include "[llvm/IR/FMF.h](FMF%5F8h%5Fsource.html)"

Public Member Functions
	FastMathFlags ()=default

bool	any () const

bool	none () const

bool	all () const

void	clear ()

void	set ()

bool	allowReassoc () const
	Flag queries.

bool	noNaNs () const

bool	noInfs () const

bool	noSignedZeros () const

bool	allowReciprocal () const

bool	allowContract () const

bool	approxFunc () const

bool	isFast () const
	'Fast' means all bits are set.

void	setAllowReassoc (bool B=true)
	Flag setters.

void	setNoNaNs (bool B=true)

void	setNoInfs (bool B=true)

void	setNoSignedZeros (bool B=true)

void	setAllowReciprocal (bool B=true)

void	setAllowContract (bool B=true)

void	setApproxFunc (bool B=true)

void	setFast (bool B=true)

void	operator&= (const FastMathFlags &OtherFlags)

void	operator\|= (const FastMathFlags &OtherFlags)

bool	operator!= (const FastMathFlags &OtherFlags) const

void	print (raw_ostream &O) const
	Print fast-math flags to O.

Static Public Member Functions
static FastMathFlags	getFast ()

static FastMathFlags	intersectRewrite (FastMathFlags LHS, FastMathFlags RHS)
	Intersect rewrite-based flags.

static FastMathFlags	unionValue (FastMathFlags LHS, FastMathFlags RHS)
	Union value flags.

Convenience struct for specifying and reasoning about fast-math flags.

Definition at line 20 of file FMF.h.

◆ anonymous enum

Enumerator
AllowReassoc
NoNaNs
NoInfs
NoSignedZeros
AllowReciprocal
AllowContract
ApproxFunc

Definition at line 39 of file FMF.h.

llvm::FastMathFlags::FastMathFlags ( )	default

◆ all()

bool llvm::FastMathFlags::all ( ) const	inline

◆ allowContract()

bool llvm::FastMathFlags::allowContract ( ) const	inline

◆ allowReassoc()

bool llvm::FastMathFlags::allowReassoc ( ) const	inline

◆ allowReciprocal()

bool llvm::FastMathFlags::allowReciprocal ( ) const	inline

◆ any()

bool llvm::FastMathFlags::any ( ) const	inline

Definition at line 57 of file FMF.h.

◆ approxFunc()

bool llvm::FastMathFlags::approxFunc ( ) const	inline

◆ clear()

void llvm::FastMathFlags::clear ( )	inline

◆ getFast()

static FastMathFlags llvm::FastMathFlags::getFast ( )	inlinestatic

◆ intersectRewrite()

◆ isFast()

bool llvm::FastMathFlags::isFast ( ) const	inline

'Fast' means all bits are set.

Definition at line 73 of file FMF.h.

References all().

◆ noInfs()

bool llvm::FastMathFlags::noInfs ( ) const	inline

◆ noNaNs()

bool llvm::FastMathFlags::noNaNs ( ) const	inline

Definition at line 66 of file FMF.h.

References NoNaNs.

Referenced by llvm::canIgnoreSNaN(), llvm::computeKnownFPClass(), llvm::InstCombinerImpl::foldSelectIntoOp(), llvm::RISCVTTIImpl::getMinMaxReductionCost(), llvm::getRecurrenceIdentity(), isKnownIntegral(), isKnownNonNaN(), llvm::RecurrenceDescriptor::isRecurrenceInstr(), mapToLLVMFastMathFlags(), print(), simplifyFAddInst(), simplifyFCmpInst(), simplifyFDivInst(), simplifyFMAFMul(), simplifyFPOp(), simplifyFRemInst(), and simplifyFSubInst().

◆ none()

bool llvm::FastMathFlags::none ( ) const	inline

◆ noSignedZeros()

bool llvm::FastMathFlags::noSignedZeros ( ) const	inline

Definition at line 68 of file FMF.h.

References NoSignedZeros.

Referenced by foldFNegIntoConstant(), llvm::InstCombinerImpl::foldSelectIntoOp(), llvm::getRecurrenceIdentity(), llvm::RecurrenceDescriptor::isRecurrenceInstr(), mapToLLVMFastMathFlags(), matchSelectPattern(), print(), simplifyFAddInst(), simplifyFDivInst(), simplifyFMAFMul(), and simplifyFSubInst().

◆ operator!=()

◆ operator&=()

Definition at line 99 of file FMF.h.

◆ operator|=()

◆ print()

void llvm::FastMathFlags::print	(	raw_ostream &	O	)	const

◆ set()

void llvm::FastMathFlags::set ( )	inline

◆ setAllowContract()

void llvm::FastMathFlags::setAllowContract ( bool B = true)	inline

◆ setAllowReassoc()

void llvm::FastMathFlags::setAllowReassoc ( bool B = true)	inline

◆ setAllowReciprocal()

void llvm::FastMathFlags::setAllowReciprocal ( bool B = true)	inline

◆ setApproxFunc()

void llvm::FastMathFlags::setApproxFunc ( bool B = true)	inline

◆ setFast()

void llvm::FastMathFlags::setFast ( bool B = true)	inline

◆ setNoInfs()

void llvm::FastMathFlags::setNoInfs ( bool B = true)	inline

◆ setNoNaNs()

void llvm::FastMathFlags::setNoNaNs ( bool B = true)	inline

◆ setNoSignedZeros()

void llvm::FastMathFlags::setNoSignedZeros ( bool B = true)	inline

◆ unionValue()

◆ FPMathOperator

Definition at line 22 of file FMF.h.

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

include/llvm/IR/FMF.h
lib/IR/Operator.cpp